CN103234249B - Urban water air-conditioning system based on upstream water source and air temperature regulating method of system - Google Patents
Urban water air-conditioning system based on upstream water source and air temperature regulating method of system Download PDFInfo
- Publication number
- CN103234249B CN103234249B CN201310150274.4A CN201310150274A CN103234249B CN 103234249 B CN103234249 B CN 103234249B CN 201310150274 A CN201310150274 A CN 201310150274A CN 103234249 B CN103234249 B CN 103234249B
- Authority
- CN
- China
- Prior art keywords
- water
- air conditioner
- temperature
- air
- upstream
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
Abstract
The invention relates to an urban water air-conditioning system based on an upstream water source and an air temperature regulating method of the system. The system comprises an upstream water taking source, an upstream water diversion pipeline and an upstream catchment treatment factory building in a water diversion system, an urban water use infrastructure, a residential area, a set water delivery pipeline and a water air conditioner in a water supply and use system, and a downstream catchment treatment factory building, a downstream set pipeline and a downstream water use facility in a water treatment distribution system. In the method, a water body is used as a medium, catchment and temperature regulation are performed in the upstream catchment treatment factory building in the water diversion system, the water air conditioner in the water supply and use system is actually a temperature regulator and secondarily controls water temperature when water enters the indoor water air conditioner, namely the temperature regulator through a water air conditioner connecting water pipe, indoor air temperature is controlled by a water air conditioner regulating switch so that the indoor temperature is regulated, and water distributed by the water treatment distribution system can be used for water supply such as urban life, or chemical production, or farm irrigation.
Description
Technical field
The present invention relates to a kind of Municipal engineering, utilize water body as medium in particular to one, based on municipal water air-conditioning system and the indoor air temperature control method thereof at water source, upstream, this system and indoor air temperature control method can be applicable to cooling/warming system engineering aspect in the Municipal engineering of the public infrastructures such as residential quarters, school, hospital.
Background technology
Society, due to the high speed development of industry etc., environmental pollution is day by day serious, and electric power is always more nervous, its environmental protection, the development of sustainability is imperative trend always.And the depletion of the ozone layer of traditional air conditioner, high energy consumption are runed counter to the theory of environmental protection and energy saving always, but cannot be banned due to never better Temperature Control Measures always.Within north and south latitude 45 degree, many cities all reach the situation of average temperature of the whole year 15 DEG C, make Seasonal Temperature Difference obvious all the more, increased along with extreme weather, and the environment of life receives stern challenge.For China's Sichuan Chengdu Plain: the climate type of Chengdu Plain is subtropical zone monsoon climate; Its soil, based on purple soil, mainly produces paddy rice.Under the irrigation in the rivers such as the Ming River of In Chengdu below Dujiang weir, this sheet Plain flood, drought are less.Be exactly China's economic prosperity, one of area that produce are the richlyest endowed, is also the area that the unique a slice of whole western part of China keeps higher development level always, is described as in " land of plenty " from ancient times.2011 Chengdu year-round average temperatures are at about 18 DEG C; Mean annual precipitation is more than 1000 millimeters, and on average about 270 days rainy day in year, the foggy of In Chengdu is one of area that Chinese rainy weather is maximum.But because of contiguous west Sichuan plateau mountain region, Plain, the impact of the dark cold air by mountain region sinking, in addition Plain river is mostly from the snowmelt runoff in mountain region, western plateau, simultaneously, the area, ancient stream channel of hypsography low-lying on Plain, level of ground water is high, and soil is cold wet, therefore Chengdu Plain no matter temperature, water temperature and soil temperature are all lower, heat condition than the Sichuan Basin other areas inferior a little.
The climatic elements such as water, heat spatially skewness, due to earth's surface height above sea level significant difference, is directly caused in In Chengdu.2011 Chengdu year-round average temperatures are at about 18 DEG C, higher than same latitude In Middle And Lower Reaches of Changjiang River 2-3 DEG C.For Chengdu Plain summer, in summer, Chengdu temperature on average shows as the trend of sustainable growth in recent years, make Chengdu Plain summer temperature Continued, add outdoor wind speed little, vast Plain, Chengdu, knob wind speed are about 1-1.5 meter per seconds, therefore make In Chengdu Summer Indoor temperature also remain high.2012 annual maximum temperatures are close to 40 DEG C, and such as, on August 10th, 2012, urban district temperature was up to 39.3 DEG C, six, seven, the mean temperature of August is also higher than 30 DEG C.Therefore the problem that must solve greatly faced by many families has been become at the room temperature lowering in summer of sweltering heat, traditional air conditioner is generally used to carry out the refrigeration in summer for the mode of lowering the temperature now, but present nearly all traditional air conditioner is fluorine-containing air-conditioning, discharge is containing fluorochlorohydrocarbon (great majority are freon).A large amount of production of freon and use, and enter air, due to inertia, not by rain drop erosion, the life-span is extremely long, and they can be diffused in the high stratosphere of 10-50km intactly, cause the destruction of ozone layer.Because the cold-producing medium containing chlorine composition can be raised to atmospheric upper strata when being discharged into air, chlorine atomic radicals can be decomposed to form in stratosphere by Ultraviolet radiation, become the catalyst making ozone decomposed.Chlorine atomic radicals is the main matter damaged the ozone layer, and they are carry out in the mode of catalysis to the destruction of ozone.It is estimated, a chlorine atomic radicals can destroy 104-105 ozone molecules, also synergy is there is between chlorine atomic radicals and bromine atoms free radical, namely when the two exists simultaneously, destroy the ability of ozone be greater than the two simply add and, (this pact is called for short " Vienna Convention " usually, and on March 22nd, 1985 orders in Vienna, and comes into force on September 22nd, 1988 to have run counter to " Vienna Convention on Protection of Ozone Layer " to the destruction of ozone layer like this; China adds this pact on September 11st, 1989, and on December 10 the same year, this pact comes into force to China); And do not meet through revise " the Montreal Agreement book about ODS " (decision agreement was ordered in Montreal on September 16th, 1987.Have passed through modified twice.The protocol of herbal classic correction came into force on August 20th, 1992.The instrument of accession is deposited on June 13rd, 1991 by the Government of the People's Republic of China.The protocol of this correction comes into force on August 20th, 1992 to China).Well-known in addition, the high power not only power consumption power consumption of traditional air conditioner cooling and warming, and behaviour denounces always, on June 29th, 2011, Chengdu power consumption reached 582.7 ten thousand kilowatts, the highlyest then 7000000 kilowatts are exceeded, August 10 in 2012, daily power consumption reached 724.51 ten thousand kilowatts, exceed 677.32 ten thousand kilowatts of August 9, have also exceeded Chengdu safe operation bearing capacity 6,800,000 kilowatts, in whole summer, Chengdu air conditioning electricity load accounts for 1/3 of whole power load, therefore, to the sustainable development of In Chengdu environment, energy-saving and emission-reduction principles and policies carry out and making full use of of resource causes harmful effect.
Administrative area under one's jurisdiction, 2010 Chengdus area reaches 1.21 ten thousand square kilometres, comprises 9 counties of city of district 46.At the end of 2010, Chengdu household register total population is 1149.07 ten thousand people, is only second to Beijing, Shanghai and Chongqing, and wherein urban population is 535.15 ten thousand people, and county (city) population is 613.92 ten thousand people.The whole city is totally 430.68 ten thousand families, wherein family, urban district 199.88 ten thousand, and county (city) is 230.88 ten thousand families, average each household 2.67 people, urban district each household 2.68 people.Whole city's density of population is every square kilometre of 944 people, and wherein urban population is dense, every square kilometre of 2514 people.The scale in dense population, the sufficient size of population and city is easy to the popularization of cooling/warming system engineering in municipal works, carries out pipe laying reasonable and economic on a large scale, and this is task place of the present invention just also.
Summary of the invention
Object of the present invention, just based on the problems referred to above, provides a kind of municipal water air-conditioning system based on water source, upstream and indoor air temperature control method thereof; The present invention is by theory analysis, and the water quoted Dujiang weir reservoir Zhipingpu reservoir area water and flow through Chengdu Plain rivers for Chengdu Plain solves the problem of urban cooling, and this is a kind of permanently effective and system engineering of environmental protection.This system engineering can carry out effective cooling in summer to city, and the temperature of heating in winter controls, and using water as using energy source, can have good environmental benefit again; And this system engineering has good social benefit for Municipal engineering.
Basic ideas of the present invention are: utilize in upstream, city the water body such as river, upper pond, lake that flows through city that current are introduced city by institute's tubing and to catchment process factory building, utilize water body to control application principle with the indoor temperature difference as temperature and process; Current are laid fortune waterpipe by institute and are flowed into indoor afterwards, carry out indoor temperature exchange, and air-flow exchange is entered indoor to improve indoor temperature under the temperature regulating action that indoor DIE Temperature adjuster that is water air conditioner carry out.Water after shunting process, except improving except temperature, also can be entered water supply pipe to carry out water supply used water in daily life by this water air-conditioning system; Namely carry out indoor exchange complete after water through lay fortune waterpipe and collect and flow in water treatment separate system, a part of water carries out bypassing circulation and gets back in city and carry out living water after treatment again, and the water of a part then flows into downstream water demand place and carries out the such as water supply such as Chemical Manufacture, field irrigation in addition.
For achieving the above object, the present invention adopts the technical scheme be made up of following measures to realize.
A kind of municipal water air-conditioning system based on water source, upstream of the present invention, according to the present invention, comprises diversion system, water supply used water system and water treatment separate system three parts; Described diversion system comprises upstream water sources, process factory building is catchmented in upstream conduit pipe, upstream; Described water supply used water system comprise urban water infrastructure, residential block, lay fortune waterpipe and water air conditioner; Described water treatment separate system comprise downstream catchment process factory building, downstream institute's tubing and downstream water demand facility; The water of described diversion system middle and upper reaches water sources is incorporated into upstream through upstream conduit pipe and catchments process factory building, flows into water supply used water system after treatment; Water supply used water system by water by lay fortune waterpipe be supplied to urban water infrastructure and residential block, and flow into the water air conditioner being positioned at urban water infrastructure and inside, residential block, water air conditioner carries out linear quadratic control to water temperature, and then carries out temperature exchange; Through temperature exchange water again by lay the fortune waterpipe downstream flowed in water treatment separate system and to catchment process factory building, then flow into downstream water demand facility by downstream institute tubing; Namely urban life or the water supply such as Chemical Manufacture or field irrigation is can be used for by the water of shunting.
In such scheme, described water air conditioner comprises water air conditioner body, the water air conditioner air inlet in water Air conditioner box, water air conditioner fan, water air conditioner water inlet, water air conditioner connecting water pipe, water air conditioner delivery port and water air conditioner air outlet, described water air conditioner water inlet is connected with water air conditioner connecting water pipe, water air conditioner connecting water pipe is connected with water air conditioner delivery port. and air factor enters from water air conditioner air inlet, air factor rotarily drives through water air conditioner fan, with cold water generation sufficient heat exchange in water air conditioner connecting water pipe, make the air factor cooling entering water air conditioner, air factor after cooling is sent from water air conditioner air outlet by water air conditioner fan, the water temperature that the temperature that heat exchange occurs raises then flows out from the water air conditioner delivery port connected, and by its temperature of water air conditioner switch control rule.
The present invention is based on the city indoor air temperature control method at water source, upstream, comprise the following steps:
(1) using water body as medium, in diversion system by upstream catchment process factory building carry out catchmenting temperature adjustment;
(2) water after temperature adjustment of catchmenting in diversion system is introduced water supply used water system by the upstream conduit pipe by laying in diversion system, and enter urban water infrastructure and residential block by wherein laid fortune waterpipe, then flow into the water air conditioner of its indoor by water air conditioner connecting water pipe and water air conditioner water inlet;
(3) described water air conditioner carries out water temperature linear quadratic control to the current entered, and utilizes the colder current generation sufficient heat exchange by the water air conditioner air inlet leaked-in air factor and inflow;
(4) water temperature of linear quadratic control is carried out by water air conditioner, the rotation of the water air conditioner fan again in water air conditioner body, blow out improving the room air after temperature in water air conditioner body, thus carry out indoor air temperature exchange, and control its temperature by water air conditioner by-pass cock;
(5) current after finally indoor temperature having been exchanged by institute lays transport waterpipe inflow downstream water process separate system after flow into downstream and to catchment process factory building, water after process, downstream water demand facility is flowed into again by downstream institute tubing, enter city and be used as living water, or Chemical Manufacture, or field irrigation is supplied water.
Water air conditioner in water supply used water system of the present invention is actually a thermoregulator, after entering indoor water air conditioner machine and thermoregulator by water air conditioner connecting water pipe, water air conditioner carries out linear quadratic control to water temperature, indoor air temperature is controlled again, to reach the object regulating indoor temperature by the Push And Release of water air conditioner by-pass cock.
Now feasibility of the present invention is described further.
One, the present invention's feasibility is theoretically as follows:
For Dujiang weir, Sichuan Province purple tiling reservoir.
To reach 17 degree at the water surface layer of 6-7 month purple tiling reservoir to the temperature difference of bottom, reservoir Zhipingpu reservoir area is about 26.5Km, and maximum water depth reaches 133m, the average gradient in reservoir area about 0.51%, and the water surface is wide about 618m on average.June to September is the megathermal period, the water temperature that becomes a mandarin and temperature reach the highest, have vertically occurred two thermocline distribution-in the water body of surface about 10m, because aqueous vapor heat exchange defines a very thin thermocline, bucket temperature is up to 21-25 DEG C, and in thermocline, the temperature difference can reach 4-7 DEG C; (these data are selected from " research of reservoir Zhipingpu water temperature prediction ", water conservancy and hydropower technology the 34th volume, the 9th phase in 2003, Deng Yun, Li Jia, Li Kefeng, Zhao Wenqian.）
The vertical convection current of water body near thermocline lower outlet is violent, has occurred the hypolimnion of the thick about 50m of temperature about 17 degree; And bottom water temperature is still lower than 9 DEG C, the thermocline that gradient is very large appears between bottom cryosphere and the hypolimnion of heat.Scientific research according to purple tiling distribution of water temperature shows that water temperature difference reaches maximum, can meet the needs of people's water air-conditioning lower than the water temperatures of 17 DEG C, and its water level is 800m, and bottom of the reservior water level is 750m when August.Be the degree of depth of available water body between the two, then inquire into accordingly and available water body volume, as shown in Figure 1.For this reason, the water yield for diversion temperature adjustment can just be calculated.Namely on the one hand by the monthly average highest temperature in Chengdu summer, the temperature that human body is pleasant, try to achieve the highest water temperature of reservoir that can be used for water air-conditioning system, thus know the vertical distribution layer of the water temperature of available water body (i.e. the thermograde of water temperature in the vertical direction), and then be approximated to triangle change according to the thickness of the vertical distribution layer of available water body along the distance of distance dam body, to inquire in reservoir water temperature lower than the available water body total amount V requiring temperature
water.On the other hand can inquire into indoor air temperature per capita by the specific heat capacity of the per capita interior space in Chengdu and air and reduce once liberated heat, in conjunction with indoor total population and then try to achieve room temperature and need the temperature to human comfort (24 DEG C) reduced namely to realize water body total amount V needed for city temperature adjustment reality
need.
(1) V
waterbe calculated as follows:
Just the diversion determining it due to the geographical position of purple tiling is mainly in Chengdu (have similar calculating Demonstration Method for the reservoir that other cities are adjacent, will set forth in popularity demonstration).The summer maximum temperature in Chengdu generally occurs in late July to mid-August, after the last ten-days period in July by occur the temperature higher than " heat " weather August of 35 DEG C of last for days be early August temperature on average be 26.6 ~ 28.6 DEG C, compared with domestic level large-and-medium size cities higher 0.6 ~ 2.5 DEG C; Mid-August, temperature on average was 26.8 ~ 28.8 DEG C, compared with domestic level large-and-medium size cities higher 2.2 ~ 4.0 DEG C; Late August is 23.6 ~ 25.1 DEG C.The temperature of desirable higher July end is for analyzing data for this reason, as shown in Figure 1.
Now getting indoor temperature is 29 DEG C, and the pleasant temperature of human body is 24 DEG C.Then temperature adjustment Δ T=5 ° C.The highest water temperature needed for reaching this cooling-down effect will be 17 DEG C.By calculating known available water body total amount be:
In formula: V
waterrepresent available water body total amount, Δ H represents the water-head of available water body maximum temperature place water level to bottom of the reservior, and Δ X to represent before dam section to the length of tail water position,
represent average section width.
(2) V
needbe calculated as follows:
Water is needed from the viewpoint of urban cooling, known according to " the Chengdu statistical yearbook of 2011 ", Chengdu per capital living areas is 29.52 square metres, consider shared area, without the need to aspects such as tubing areas, careat gets 1/3-1/2 of the indoor gross area per capita, for maximum ratio 1/2, getting chamber height is 3.5 meters, thus obtains indoor per capita and take up room
square metre.
Meanwhile, the specific heat at constant pressure of air is c
pressure=1.004KJ/ (Kg*K), the molal volume under the mark condition of air is V
mol=22.4L/mol, the molal weight of air is M
mol=29g/mol, can know through converting, specific heat at constant pressure is:
In formula:
the specific heat at constant pressure of air after representative converts, c
pressurerepresent former pressurization by compressed air specific heat capacity
m
molrepresent the molal weight of air, V
molrepresent the molal volume of air under mark condition.
Space is occupied by indoor per capita
with the specific heat capacity of air
can obtain interior space reduction per capita by the energy of needs release was once:
Assuming city average room temperature in summer 30 degree, in order to reach more comfortable environment, needing room temperature to be adjusted to 24 degree, now can calculate i.e. hourly water demand is V
need=183736m
3, as shown in Table 1.
Table one Chengdu variations in temperature computational chart
Need to make up water can loss in diversion process simultaneously, then V
need=300000m
3,
Due to V
need< V
water, then provable is feasible in theory.
For meeting sustainability requirements in actual moving process, it is comparatively appropriate that water diversion flow should not affect hydropower station.Discharge of coming for purple tiling reservoir considers with generating water requirement, and water diversion flow can be taken as 200m
3/ s.
Two, popularity demonstration of the present invention is as follows:
China's Panzhihua Ertan reservoir belongs to formula deep water storehouse, typical valley, and its backwater length is more than 140km, and Ertan reservoir water surface layer is about 11 degree to the temperature difference of bottom in summer.Before reservoir dam, water body surface temperature is reduced to 15 DEG C of in March, 2006 from 18.7 DEG C of in November, 2005, water temperature raises gradually subsequently, 25.2 DEG C of in July, 2006 are elevated to gradually from May in 2006 21.5 DEG C, finally be reduced to 17.1 DEG C of December, surface temperature luffing reaches about lO DEG C, before visible Ertan reservoir dam, water body surface temperature is with seasonal variations, and summer temp is high and winter temperature is low.Bottom water temperature in November, 2005 is 14 DEG C, and in March, 03 is 9.7 DEG C, and May is 10.1 DEG C, and July is 10.6 DEG C, and December is 11.O DEG C, and bottom water temperature luffing is only 4.3 DEG C.Reservoir is water temperature data See Figure in recent years.The temperature in present desirable July is as basis.Ertan reservoir is when the July, and water body is lower than the vertical distribution layer of 17 DEG C, and from about depth of water 80m to bottom of the reservior, the thickness of vertical distribution layer reaches nearly 100m.More one times than the vertical distribution layer thickness of the 50m of purple tiling.(" the coolant-temperature gage analysis and research of Ertan Arch Dam actual measurement storehouse ", hydroelectric station design, the 22nd volume the 2nd phase, in June, 2006, Yuan Qiong)
In the demonstration tiled by purple in known diversion temperature adjustment engineering for the demand of the water temperature of 17 DEG C, Ertan reservoir has the sufficient water yield.
On the other hand, the temperature adjustment object of Ertan reservoir elects Panzhihua City as nearby.At the end of 2009, whole city household register total population 111.58 ten thousand people, wherein: East population 31.92 ten thousand people, West population 15.52 ten thousand people, Renhe District population 21.76 ten thousand people, Miyi County's population 21.76 ten thousand people, Yanbian County population 20.62 ten thousand people.
The population of visible Panzhihua City far fewer than Population in Chengdu City, from purple tile reservoir for the temperature adjustment in Chengdu demonstration in like manner, the temperature adjustment of Ertan reservoir to Panzhihua City is feasible popularization.
The abundant water resource of China, numerous reservoir engineerings, the present invention is that diversion temperature adjustment engineering provides application prospect widely.Especially south, can obtain applying very widely for medium-sized and large-scale hydroelectric project.
The advantage that the present invention has and useful technique effect as follows:
1, China's weather in recent years occurs unusual largely, and summer, rare hot weather appearred in area, many places, and What is more, and then the duration is several thoughtful one month in certain areas in China; This will affect people to a certain extent and works normally and live, thus indirectly disturb economic development.And the present invention utilizes the water temperature delamination of water body, summer high temperature situation then can be slowed down to a great extent in the cities and towns that the underlying low temperature water body that reservoir is comparatively sufficient causes nearby, winter cold situation, to a certain extent for people build a comfortable nice and cool interior space.
2, due in hot weather, will strengthen people to the use of air-conditioning, thus cause shortage of electric power, power system excess load is runed, in the not too eager frequent power-off in cities and towns and rural area of electricity consumption to meet metropolitan need for electricity; And diversion cooling of the present invention can reduce the present situation that make for alleviate instantly power tense of people to air-conditioning.
3, from the aspect of environment, freon etc. consume the arch-criminal that ozone material is depletion of the ozone layer, its stable chemical nature.Because their average life spans in an atmosphere reach centuries, so the major part of discharge is still stayed in atmosphere, at the freon of troposphere quite stable, after rising enters stratosphere, under certain meteorological condition, can be decomposed under the effect of intense UV rays, the chlorine atom that decomposition discharges, with ozone meeting chain-react, constantly destroys ozone molecule; Scientist estimates that a chlorine atom can destroy tens thousand of ozone molecules; Too much discharge freon will aggravate the deterioration of greenhouse effects greatly, the present invention upstream, city or flow through urban river water source by reference, the method utilizing water body and indoor temperature difference to carry out indoor air temperature adjustment can reduce the use of people to traditional air conditioner, carry out indoor temperature regulation by a kind of new method, thus avoid too much freon to the adverse effect of environment.
Accompanying drawing explanation
Fig. 1 is Dujiang weir, Chengdu purple tiling reservoir in August, 2002 water temperature delamination schematic diagram;
Fig. 2 is that the water yield of diversion temperature adjustment of the present invention proves FB(flow block) schematic diagram;
Fig. 3 is that before Panzhihua Ertan reservoir dam, water body 700m section water temperature is Data distribution8 schematic diagram in December ,-2006 in November, 2005 within 1 year;
Fig. 4 is the block diagram representation of each components of system as directed in the municipal water air-conditioning system that the present invention is based on water source, upstream;
Fig. 5 is water supply used water components of system as directed water air conditioner structure schematic diagram in the municipal water air-conditioning system that the present invention is based on water source, upstream, and wherein (a) is each parts decomposing schematic representation of water air conditioner; B () is water air conditioner overall structure schematic diagram.
In figure, 1 diversion system, 2 upstream water sources, 3 upstream conduit pipes, catchment process factory building in 4 upstreams, 5 water supply used water systems, 6 urban water infrastructure, 7 residential blocks, 8 lay fortune waterpipe, 9 water air conditioners, 10 water treatment separate systems, catchment process factory building in 11 downstreams, 12 downstream institute tubings, 13 downstream water demand facilities, 14 water air conditioner bodies, 15 water air conditioner air inlets, 16 water air conditioner fans, 17 water air conditioner water inlets, 18 water air conditioner connecting water pipes, 19 water air conditioner delivery ports, 20 water air conditioner air outlets, 21 water air conditioner by-pass cockes.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is described in further detail, but be not meant to be any restriction to scope.
In Fig. 1, according to known in Dujiang weir, Chengdu purple tiling reservoir in August, 2002 water temperature delamination figure, can meet the needs of people to water air-conditioning lower than the water temperatures of 17 DEG C, its water level is 800m, and bottom of the reservior water level is 750m, difference is between the two the vertical distribution layer of available water body.
In Fig. 2, on the one hand by the monthly average highest temperature in Chengdu summer, the temperature that human body is pleasant, try to achieve the highest water temperature of reservoir that can be used for water air-conditioning system, thus know the vertical distribution layer of available water body, and then be approximated to triangle change according to the vertical distribution layer thickness of available water body along the distance of distance dam body, inquire into water temperature in reservoir lower than the available water body total amount V of 17 DEG C
water.On the other hand can inquire into indoor air temperature per capita by the specific heat capacity of the per capita interior space in Chengdu and air and reduce once liberated heat, in conjunction with indoor total population and then try to achieve room temperature and need to be reduced to human comfort's temperature value, namely realize water body total amount V needed for municipal water air-conditioning temperature adjustment reality
need, V
waterand V
needrelation before existing demonstration.
In Fig. 3, city of Sichuan Ertan reservoir when the July, water body lower than the vertical distribution layer of 17 DEG C from about depth of water 80m to bottom of the reservior, the thickness of distribution layer reaches nearly 100m, more one times than the thickness of the vertical distribution layer of the 50m of purple tiling.
In Fig. 4, the water of diversion system 1 middle and upper reaches water sources 2 flows into upstream, the city process factory building 4 that catchments by upstream conduit pipe 3 and processes, water after treated flows to water supply used water system 5, urban water infrastructure 6 and residential block 7 is supplied by lay fortune waterpipe 8 by it, and current flow into the water air conditioner 9 i.e. thermoregulator being arranged in urban water infrastructure 6 and residential block 7, current after 9 two the temperature adjustment process of water air conditioner again by institute lay transport waterpipe 8 flow into water treatment separate system 10, catchment process factory building 11 in downstream in water treatment separate system 10, water after treatment flows into downstream water demand facility 13 by downstream institute tubing 12 again, dispersion treatment region, water source, downstream can be further used for as region, booth farmland, dispersion treatment region, water source, downstream is as region, greenery patches, water is used as region, chemical plant etc. in dispersion treatment region, water source, downstream.
In Fig. 5, (b) is the structural representation of water air conditioner in municipal water air-conditioning system, and its specific works flow process is as follows:
Water air conditioner body 14 in described water air conditioner 9 includes water air-conditioning air inlet 15, water air conditioner fan 16 directly connects domestic power supply drive work, water air conditioner water inlet 17 is connected with water air conditioner connecting water pipe 18, and water air conditioner connecting water pipe 18 is connected with water air conditioner delivery port 19; Enter indoor current and flow into water air conditioner 9 by water air conditioner water inlet 17, water air conditioner 9 pairs of water temperatures carry out linear quadratic control, and carry out temperature adjustment by water air conditioner by-pass cock 21; By the colder current generation sufficient heat exchange in the water air conditioner air inlet 15 leaked-in air factor and water air conditioner connecting water pipe 18, air factor after cooling is rotated by water air conditioner fan 16 in water air conditioner body 14, air after temperature being reduced is sent from water air conditioner air outlet 20, thus reaches the object that cooling improves temperature.Current after heat exchange completes flow out through water air conditioner delivery port 19, and the flow rate of water flow of whole process and relevant temperature specifically can be controlled by water air conditioner by-pass cock 21, so far complete a temperature controlled processes.
Embodiment
(1) using water body as medium, in diversion system 1 by upstream catchment process factory building 4 carry out catchmenting temperature adjustment;
(2) water after temperature adjustment of catchmenting in diversion system 1 is introduced water supply used water system 5 by the upstream conduit pipe 3 by laying in diversion system 1, and enter urban water infrastructure 6 and residential block 7 by wherein laid fortune waterpipe 8, then flow into the water air conditioner 9 of its indoor by water air conditioner connecting water pipe 18 and water air conditioner water inlet 17;
(3) described water air conditioner 9 carries out water temperature linear quadratic control to the current entered, and utilizes the colder current generation sufficient heat exchange by the water air conditioner air inlet 15 leaked-in air factor and inflow;
(4) water temperature of linear quadratic control is carried out by water air conditioner 9, the rotation of the water air conditioner fan 16 again in water air conditioner body 14, to the room air after temperature be improved from blowout in water air conditioner body 14, thus carry out indoor air temperature exchange, and control its temperature by water air conditioner by-pass cock 21;
(5) current after finally indoor temperature having been exchanged by institute lay transport waterpipe 8 flow into downstream water process separate system 10, flow into again afterwards downstream catchment process factory building 11, water after process, downstream water demand facility 13 is flowed into again by downstream institute tubing 12, enter city and be used as living water, or Chemical Manufacture, or field irrigation is supplied water.
For Chengdu cooling in summer, assuming city temperature on average in summer is in recent years 31 DEG C, and according to physiology, the pleasant temperature of human body is 24 DEG C, therefore in the embodiment of the present invention, refrigeration system just needs temperature to be adjusted to 24 DEG C from 31 DEG C, if do not consider energy transfer efficiency and passing time problem simultaneously, ideally according to thermodynamics knowledge, the water source temperature that refrigeration system needs should be 17 DEG C.On the other hand, consider energy transfer efficiency and passing time problem, because the efficiency in the heat transfer water the limited time of fluidised form and energy transferring own is not 100%, so, the water source temperature that refrigeration system needs should lower than 17 DEG C.Consider the impact of each factor, the water temperature that in the embodiment of the present invention, refrigeration system needs is decided to be 13 DEG C.
In conjunction with purple tiling water temperature layered distribution figure in July as Fig. 1, know that the distribution of water temperature of 13 DEG C is at upstream water level 790m place, distance bottom its distance reservoir area is 40m, and as can be seen from water level-distance storehouse tail range image, the depth of water linearly reduces with the increase of the distance of range bin tail.Thus be easy to calculate the water body total amount met the demands in the distance of this mean breadth in conjunction with the water surface and storehouse back range dam body, calculate institute's water requirement according to formula (1):
In formula: V
waterrepresent available water body total amount, Δ H represents the water-head of available water body maximum temperature place water level to bottom of the reservior, and Δ X to represent before dam section to the length of tail water position,
represent average section width.
Water aspect is needed from Chengdu cooling in summer, know according to Chengdu yearbook in 2011, Chengdu per capital living areas is about 30 square metres, consider shared area, without the need to aspects such as tubing areas, careat gets 1/3-1/2 of the indoor gross area per capita, for maximum ratio 1/2, getting chamber height is 3.5 meters, thus obtains indoor per capita and take up room
square metre.And for its specific heat capacity of room air
thus be not difficult to calculate indoor air temperature per capita and be reduced to 24 DEG C of heats needed from 31 DEG C and be:
In formula:
represent air ratio thermal capacitance,
represent that indoor take up room per capita, Δ T represents indoor temperature decreasing value.
Meanwhile, c
water=4.2KJ/ (Kg × K), the number of degrees that water body raises in room temperature reduction process are Δ T=24 DEG C-13 DEG C=11 DEG C.By Q=c
water× m
water× Δ T, thus calculate m
water=10Kg, namely water consumption quality is 10 kilograms per capita, is converted into volume and is
cubic meter.
According to Chengdu total population 1149.09 ten thousand people in 2011, thus can total water consumption be calculated:
Consider the transformation time restriction of fluidised form water again, actual total water consumption is about V
need'=2.2 × 10
5m
3.
Contrast known, V
need< V
water, its scheme is practical.
During water air-conditioning system work of the present invention, upstream static water supply or flow through city current and upstream water sources 2 and flow into upstream, city by upstream conduit pipe 3 and to catchment process factory building 4, lays fortune waterpipe 8 shunting inflow urban water infrastructure 6 by institute afterwards, the indoor in the places such as residential block 7 are carried out temperature by water air conditioner 9 and are controlled, entering indoor current flows in water air conditioner 9 by connection water air conditioner connecting water pipe 18 and water air conditioner water inlet 17, water temperature linear quadratic control is carried out by water air conditioner 9, and utilize the colder current generation sufficient heat exchange by the water air conditioner air inlet 15 leaked-in air factor and inflow, the air factor after temperature being reduced is rotated from blowout in water air conditioner body 14 by water air conditioner fan 16, thus carry out indoor temperature exchange, reach the object improving temperature.Such as low temperature current flow in the water air conditioner connecting water pipe 18 of indoor water air conditioner machine 9, flow back and forth in its connecting water pipe, amass with air contact surfaces because connecting water pipe bending makes it increase, utilize the difference of itself and indoor temperature to complete heat exchanging process, blown out by hot-air by water air conditioner fan 16, the object reaching refrigeration makes indoor temperature reduce.Current after having exchanged flow out through water air conditioner delivery port 19, complete an indoor temperature control procedure.Flow out current by institute lays transport waterpipe 8 downstream be pooled near downstream, city catchment process factory building 11 carry out processing, being shunted by downstream institute tubing 12, thus flowing into downstream water demand facility 13, the water of these shuntings can be used as farmland, chemical plant, sewage treatment plant etc. reuse.
Claims (2)
1., based on the municipal water air-conditioning system at water source, upstream, it is characterized in that comprising diversion system (1), water supply used water system (5) and water treatment separate system (10) three parts; Process factory building (4) that described diversion system comprises upstream water sources (2), catchment in upstream conduit pipe (3), upstream; Described water supply used water system comprise urban water infrastructure (6), residential block (7), lay fortune waterpipe (8) and water air conditioner (9); Described water treatment separate system comprises downstream and to catchment process factory building (11), downstream institute tubing (12) and downstream water demand facility (13); The water of described diversion system (1) middle and upper reaches water sources (2) is incorporated into upstream through upstream conduit pipe (3) and catchments process factory building (4), flows into water supply used water system (5) after treatment; Water supply used water system (5) by water by institute lay transport waterpipe (8) be supplied to urban water infrastructure (6) and residential block (7), and flow into the water air conditioner (9) being positioned at urban water infrastructure (6) and residential block (7) inside, water air conditioner (9) carries out linear quadratic control to water temperature, and then carries out temperature exchange; Through temperature exchange water again by lay fortune waterpipe (8) downstream flowed in water treatment separate system (10) and to catchment process factory building (11), then flow into downstream water demand facility (13) by downstream institute tubing (12);
Described water air conditioner (9) comprises water air conditioner body (14), water air conditioner air inlet (15) in water air conditioner body, water air conditioner fan (16), water air conditioner water inlet (17), water air conditioner connecting water pipe (18), water air conditioner delivery port (19), water air conditioner air outlet (20) and water air conditioner by-pass cock (21), described water air conditioner water inlet (17) is connected with water air conditioner connecting water pipe (18), water air conditioner connecting water pipe (18) is connected with water air conditioner delivery port (19), air factor enters in it from water air conditioner air inlet (15), air factor rotarily drives through water air conditioner fan (16), cold water generation sufficient heat exchange in itself and water air conditioner connecting water pipe (18), make the air factor cooling entering water air conditioner (9), air factor after cooling is sent from water air conditioner air outlet (20) by water air conditioner fan (16), the water that the intensification of heat exchange occurs then flows out from the water air conditioner delivery port (19) connected, and control its temperature by water air conditioner switch (21).
2., based on the city indoor air temperature control method at water source, upstream, comprise the following steps:
(1) using water body as medium, in diversion system (1) by upstream catchment process factory building (4) carry out catchmenting temperature adjustment;
(2) water after temperature adjustment of catchmenting in diversion system (1) is introduced water supply used water system (5) by the upstream conduit pipe (3) by laying in diversion system (1), and enter urban water infrastructure (6) and residential block (7) by wherein laid fortune waterpipe (8), then flow into the water air conditioner (9) of its indoor by water air conditioner connecting water pipe (18) and water air conditioner water inlet (17);
(3) described water air conditioner (9) carries out water temperature linear quadratic control to the current entered, and utilizes the colder current generation sufficient heat exchange by water air conditioner air inlet (15) the leaked-in air factor and inflow;
(4) water temperature of linear quadratic control is carried out by water air conditioner (9), the rotation of the water air conditioner fan (16) again in water air conditioner body (14), the blowout in water air conditioner body (14) of room air after temperature will be improved, thus carry out indoor air temperature exchange, and control its temperature by water air conditioner by-pass cock (21);
(5) current after finally indoor temperature having been exchanged by institute lays transport waterpipe (8) inflow downstream water process separate system (10), flow into again afterwards downstream catchment process factory building (11), water after process, flow into downstream water demand facility (13) by downstream institute tubing (12) again, enter city and be used as other water supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310150274.4A CN103234249B (en) | 2013-04-26 | 2013-04-26 | Urban water air-conditioning system based on upstream water source and air temperature regulating method of system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310150274.4A CN103234249B (en) | 2013-04-26 | 2013-04-26 | Urban water air-conditioning system based on upstream water source and air temperature regulating method of system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103234249A CN103234249A (en) | 2013-08-07 |
| CN103234249B true CN103234249B (en) | 2015-05-13 |
Family
ID=48882300
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310150274.4A Active CN103234249B (en) | 2013-04-26 | 2013-04-26 | Urban water air-conditioning system based on upstream water source and air temperature regulating method of system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103234249B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5782104A (en) * | 1996-06-20 | 1998-07-21 | Societe En Commandite Gaz Metropolitain | Integrated air conditioning system with hot water production |
| CN1563854A (en) * | 2004-03-18 | 2005-01-12 | 上海交通大学 | Urban integral air comditioning system using subsurface seawater as natural cooling source |
| CN1632425A (en) * | 2004-11-09 | 2005-06-29 | 冯太和 | System and method for heating and refrigeration by employing urban sewage |
| CN200952800Y (en) * | 2006-06-15 | 2007-09-26 | 湖南华天网络通信设备有限公司 | Volume changing energy-saving hot-water machine set |
| CN201386030Y (en) * | 2009-04-17 | 2010-01-20 | 巢民强 | City regenerated water utilizing system |
| CN201715631U (en) * | 2010-07-08 | 2011-01-19 | 江苏劳特斯新能源科技股份有限公司 | Blastpipe-type multifunctional indoor machine |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63294425A (en) * | 1987-05-26 | 1988-12-01 | Ohbayashigumi Ltd | System to use part of water reclamation system as energy bus |
| KR100863029B1 (en) * | 2007-05-21 | 2008-10-13 | 이수호 | Heating and cooling apparatus using a living water |
| JP2009052872A (en) * | 2007-08-23 | 2009-03-12 | Hiroya Sekiguchi | Outdoor unit for air-conditioner |
-
2013
- 2013-04-26 CN CN201310150274.4A patent/CN103234249B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5782104A (en) * | 1996-06-20 | 1998-07-21 | Societe En Commandite Gaz Metropolitain | Integrated air conditioning system with hot water production |
| CN1563854A (en) * | 2004-03-18 | 2005-01-12 | 上海交通大学 | Urban integral air comditioning system using subsurface seawater as natural cooling source |
| CN1632425A (en) * | 2004-11-09 | 2005-06-29 | 冯太和 | System and method for heating and refrigeration by employing urban sewage |
| CN200952800Y (en) * | 2006-06-15 | 2007-09-26 | 湖南华天网络通信设备有限公司 | Volume changing energy-saving hot-water machine set |
| CN201386030Y (en) * | 2009-04-17 | 2010-01-20 | 巢民强 | City regenerated water utilizing system |
| CN201715631U (en) * | 2010-07-08 | 2011-01-19 | 江苏劳特斯新能源科技股份有限公司 | Blastpipe-type multifunctional indoor machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103234249A (en) | 2013-08-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Culha et al. | Heat exchanger applications in wastewater source heat pumps for buildings: A key review | |
| Chae et al. | Estimating the energy independence of a municipal wastewater treatment plant incorporating green energy resources | |
| CN103124845A (en) | Method and an installation for producing backup electrical power | |
| CN204648548U (en) | A kind of energy saving and environment friendly fresh air treatment system | |
| Tian et al. | Experimental study on temperature control optimization of ground source heat pump horizontal headers | |
| Huang et al. | Energy saving and peak load shifting performance of tail water source heat pump integrated with large-scale thermal storage pool space heating system in technology park | |
| CN103234249B (en) | Urban water air-conditioning system based on upstream water source and air temperature regulating method of system | |
| CN1936440A (en) | Super-energy-saving comfortible health-care type local air-conditioner | |
| Yang et al. | The reliability evaluation of reclaimed water reused in power plant project | |
| CN106227980A (en) | Power plant's open diversion canal water conservancy diversion heat ray filter and method for designing thereof | |
| CN102980261A (en) | Method for regulating city temperature through utilizing karst cave air and assort system of method for regulating city temperature through utilizing karst cave air | |
| CN105546691A (en) | Energy-saving air conditioning system for heating and cooling by virtue of constant-temperature water source | |
| Liu | Green planning and simulation study on outdoor wind environment of central business district | |
| CN206224474U (en) | Power plant's open diversion canal water conservancy diversion heat-proof device | |
| CN205279318U (en) | Utilize cryogenic energy -conserving air conditioning system of constant temperature water source heating | |
| Younos et al. | Carbon footprint of water consumption in urban environments: mitigation strategies | |
| Laanearu et al. | A review on potential use of low-temperature water in the urban environment as a thermal-energy source | |
| Luo et al. | Research on Application of Green and Low-carbon Building Technology | |
| Smith et al. | Urban drinking water challenges and solutions: energy nexus | |
| Zhigulina et al. | Problems of energy efficiency of residential buildings | |
| Ding | Ceramic-based coatings for solar energy collection | |
| Santillan | Creating renewable energy in a residential high-rise by utilizing greywater in a hydropower turbine | |
| CN202938437U (en) | Overall air-conditioning system of karst landform city | |
| Chen et al. | Research on City Energy Conservation Basing Rainwater Utilization | |
| Ayadi | Policy and adaptation in the Jordan valley |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |