CN100572788C - The reformed gas-aqueous alcohol reformed gas dual-purpose fuel engine alcohol reforming fuel feeding system - Google Patents
The reformed gas-aqueous alcohol reformed gas dual-purpose fuel engine alcohol reforming fuel feeding system Download PDFInfo
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- CN100572788C CN100572788C CNB2008100466044A CN200810046604A CN100572788C CN 100572788 C CN100572788 C CN 100572788C CN B2008100466044 A CNB2008100466044 A CN B2008100466044A CN 200810046604 A CN200810046604 A CN 200810046604A CN 100572788 C CN100572788 C CN 100572788C
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- alcohol
- reformation
- aqueous alcohol
- reformed gas
- valve
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- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/30—Use of alternative fuels, e.g. biofuels
Abstract
The invention provides a kind of gasoline-aqueous alcohol reformation gas dual-purpose fuel engine alcohol reforming fuel feeding system, comprise aqueous alcohol supply subtense angle, aqueous alcohol reformation subtense angle, aqueous alcohol reformation gas supply subtense angle and control subsystem, on the reformation air pipe (30) between aqueous alcohol reformation subtense angle and the motor, electromagnet cut off valve (16) is set, electromagnet cut off valve (16) is by pressure relay (3) control, and the control end of pressure relay (3) is communicated with reformation air pipe (30).At the preceding reformation air pipe (30) of stop valve (16) the reformation atmospheric pressure is set and stabilizes device (12); Stabilize device (12) and be connected with (28) by connecting pipeline (27), electromagnet cut off valve (14) is set on the connecting pipeline (27) with reformation air pipe (30); Electromagnet cut off valve (14) is by pressure relay (15) control, and the control mouth of pressure relay (15) is communicated with reformation air pipe (30), and gas feedback one-way valve (13) is housed on connecting pipeline (28).
Description
Technical field
The present invention relates to a kind of reformed gas-aqueous alcohol reformed gas dual-purpose fuel engine alcohol reforming fuel feeding system, belong to gasoline and Aalcohols fuel mixed combusting technology field.
Background technique
With ethanol (being commonly called as " alcohol ") is that the application technology of biomass fuel on motor of representative is one of current research focus, at present both at home and abroad to ethanol on vehicular engine research or apply and mainly contain following two kinds of technology paths.
First ethanol petrol (mixing burning) technology.The main feature of this technology is: 1. require the purity of ethanol to be not less than 99.5%, will inevitably produce a large amount of greenhouse gases (CO in the very high and production process of the cost of production of ethanol
2); 2. ethanol mixes in proportion with gasoline, forms the ethanol petrol of E10 different ethanol contents such as (the ethanol proportion are 10% (V/V)).Though this technology is comparative maturity, and has been applied,, can't satisfy the strategic demand of energy-saving and emission-reduction because alcohol fuel price height and ethanol mixed-fuel burning proportion are low.
It two is ethanol upgrading (belonging to one of pure burning technology) technology.This technology is still located among the research, from existing patent or research data, the emphasis of this technology all concentrates at high purity ethanol and how to utilize engine exhaust heat to prepare on the device or catalyzer of hydrogen, and does not consider ethanol with water and engine producing hydrogen with remainder heat or fuel supply, control strategy and the implementation thereof of the dynamic power machine (as automobile etc.) of this motor are housed.Therefore, this technology still is difficult to practicability at present.
The inventor just begins to carry out methanol decomposition ignited fuel formula engine research as far back as nineteen eighty-three on the BJ492Q petrol engine, developed first methanol decomposition ignited fuel formula engine principles model machine China's same period, in March, 1987, science and technology office of former Ministry of Communications organizes unit such as Tsing-Hua University that technical evaluation has been carried out in the research.1999 so far, the inventor has successively carried out LPG, CNG, ethanol with water etc. again and has substituted the practicability technical research of fuel on motors such as CY6102, CY4102, DC6110, SH6114, BJ492 and EQ6100, has obtained " diesel engine is mixed and burnt LP gas fuel supplier (ZL 00 2 29897.X) " and " diesel engine is mixed and burnt compressed natural gas fuel supplying device (ZL 02 2 79417.4) " binomial china national practical new-type patent.
Summary of the invention
The objective of the invention is to propose a kind of 100% aqueous alcohol of realizing and using on the conventional engines, can realize the mutual conversion between " gasoline " and " aqueous alcohol " two kinds of fuel under certain condition automatically, and the overwhelming majority time interior " reformed gas-aqueous alcohol reformed gas dual-purpose fuel engine alcohol reforming fuel feeding system " with aqueous alcohol fuel reforming mode operation.The present invention can stabilize aqueous alcohol reformation atmospheric pressure automatically when engine operating condition changes, it is stabilized in the scope of design; Can in the engine operation scope, realize the optimization supply of aqueous alcohol fuel reforming.
Technological scheme of the present invention: reformed gas-aqueous alcohol reformed gas dual-purpose fuel engine alcohol reforming fuel feeding system of the present invention comprises aqueous alcohol supply subtense angle, aqueous alcohol reformation subtense angle, aqueous alcohol reformation gas supply subtense angle and control subsystem, on the reformation air pipe 30 between aqueous alcohol reformation subtense angle and the motor, electromagnet cut off valve 16 is set, electromagnet cut off valve 16 is by pressure relay 3 controls, and the control end of pressure relay 3 is communicated with reformation air pipe 30.
Described engine alcohol reforming fuel feeding system, the reformation air pipe 30 before stop valve 16 are provided with the reformation atmospheric pressure and stabilize device 12; Stabilize device 12 and be connected with 28 by connecting pipeline 27, electromagnet cut off valve 14 is set on the connecting pipeline 27 with reformation air pipe 30; Electromagnet cut off valve 14 is by pressure relay 15 controls, and the control mouth of pressure relay 15 is communicated with reformation air pipe 30, and gas feedback one-way valve 13 is housed on connecting pipeline 28.
Described engine alcohol reforming fuel feeding system is provided with voltage stabilizer 17 on the reformation air pipe 30 of aqueous alcohol reformation subtense angle and motor.
Described engine alcohol reforming fuel feeding system is provided with reformation gas fuel control unit 18 on the reformation air pipe 30 before entering engine agitator.
Described engine alcohol reforming fuel feeding system, mounting temperature sensor 23 on the alcohol reforming device of aqueous alcohol reformation subtense angle, temperature transducer 23 is connected with thermometer 25.
Described engine alcohol reforming fuel feeding system is provided with throw over switch 5 in electronic alcohol pump 7 control loops of aqueous alcohol supply subtense angle.
Advantage of the present invention:
1. realize the burning of 100% aqueous alcohol in conventional engines, found the application process of a kind of renewable energy sources on conventional engines;
2. realize mutual conversion between " gasoline " and " aqueous alcohol " two kinds of fuel automatically according to the reformation bed tempertaure of setting, do not change operator's operating habit substantially;
3. when engine operating condition changes, can stabilize the pressure of alcohol reforming gas within the specific limits automatically, it is stabilized in the scope of design;
4. owing to used aqueous alcohol, help to improve velocity of propagation of flame, can realize lean combustion, improved combustion efficiency, can reduce NO significantly simultaneously through the rich hydrogen mixed gas after reforming
xEtc. the emission of harmful substances amount;
5. the application of aqueous alcohol on motor can reduce Alcohol Production cost and production process percent of greenhouse gases (CO significantly
2) discharge amount;
6. except that compression ratio and ignition advance angle need be done suitably to adjust, the structure of prototype was constant substantially.
Description of drawings
Fig. 1 is a system of the present invention constitutional diagram.
Among the figure: 1-storage battery, 2-ignition switch, 3, the 15-pressure relay, the 4-petrol pump, 5-throw over switch, 6-alcohol container, 7-alcohol pump, 8-alcohol filter cleaner, 9-alcohol pressure regulator, the liquid alcohol control valve of 10-, the 11-safety valve, 12-reformation atmospheric pressure is stabilized device, the 13-one-way valve, 14,16 electromagnet cut off valve, the 17-voltage stabilizer, the 18-upgrading valve, 19-mixer, 20-differential attachment, the 21-motor, 22-alcohol reforming device assembly, 23-temperature transducer, 24-oxidation, purification device, 25-thermometer, 26-spill pipe, 27, the 28-connecting pipeline, the liquid alcohol pipeline of 29-, 30-reformation air pipe, 31-engine exhaust pipe.
Embodiment
As shown in Figure 1, the aqueous alcohol reforming fuel feeding system is supplied with by aqueous alcohol that subtense angle, aqueous alcohol reformation subtense angle, aqueous alcohol reformation gas are supplied with subtense angle and control subsystem is formed.
Aqueous alcohol is supplied with subtense angle and is mainly comprised alcohol container 6, electronic alcohol pump 7, alcohol filter cleaner 8, alcohol pressure regulator 9, alcohol control valve 10 and pipeline etc.Electronic alcohol pump 7 is contained in the alcohol container 6, by the 12V power source driving; The spill pipe 26 of alcohol pressure regulator 9 is connected with alcohol container 6; Alcohol control valve 10 is connected in pressure regulator 9 pipeline afterwards.Electronic alcohol pump 7 control loops of supplying with subtense angle at aqueous alcohol are provided with throw over switch 5.
Aqueous alcohol reformation subtense angle mainly comprises reformer assembly 22 that liquid alcohol chamber, vaporizer, alcohol steam chamber, catalytic reactor, alcohol reforming air chamber are formed and connecting pipeline etc.Reformer axial direction one end is connected with engine exhaust pipe 31, and the other end is connected with oxidation, purification device 24; The liquid alcohol chamber of reformer assembly 22 is connected with liquid alcohol pipeline 29; The alcohol reforming air chamber of reformer assembly 22 links to each other with alcohol reforming air pipe 30.
Aqueous alcohol reformation gas is supplied with subtense angle and is comprised that mainly the reformation atmospheric pressure stabilizes device 12, cut-off electromagnetic valve 16, voltage stabilizer 17, upgrading valve 18, mixer 19, differential attachment 20, safety valve 11, pressure gauge and pipeline etc.The reformation atmospheric pressure is stabilized device 12 and is installed in parallel in aqueous alcohol reformation air pipe 30, mainly is made up of recycling can, control unit and pipeline; Voltage stabilizer 17 is divided into two chambers by a diaphragm with it, one of them chamber communicates with atmosphere, and another chamber has import of an alcohol reforming gas and outlet respectively, and import connects the alcohol reforming air pipe, outlet connects the pipeline that leads to mixer 19, and its outer surface has cooling water chamber; Mixer 19 is the Venturi structure, is contained among the intake manifold between engine air filter and the intake manifold; Between voltage stabilizer 17 and the mixer 19 upgrading valve 18 is housed, upgrading valve 18 can be that butterfly valve also can be a cone valve, and upgrading valve 18 is by differential transmission mechanism 20 and engine air throttle interlock; Safety valve 11 and cut-off electromagnetic valve 16 also are housed between alcohol reforming device assembly 22 and the voltage stabilizer 17.
Control subsystem mainly comprises reformation bed tempertaure sensor 23 and compositions such as thermometer 25, throw over switch 5, pressure relay 3 and 15, electromagnet cut off valve 14 and 16, one-way valve 13 and circuit.Throw over switch 5 is controlled the working state of electronic alcohol pump 7 by the temperature of reformer reaction bed thermometer 25; Pressure relay 3 is controlled the break-make of electromagnet cut off valve 16 and electric fuel pump 4 respectively by the pressure in the alcohol reforming air pipe of setting; The control unit that upper and lower pressure in the alcohol reforming air pipe is formed by pressure relay 15, electromagnet cut off valve 14 and one-way valve 13 automatically adjusts.
Go up increase by one cover aqueous alcohol reforming fuel feeding system at former petrol engine (carburetor type or electronic gasoline injection formula), can repack reformed gas-aqueous alcohol reformed gas dual-purpose fuel engine into.Its working principle is: prestart, the initial parameters of aqueous alcohol reformation gas supply system related elements or the initial position of device are design load or state.Employing gasoline is piloted engine, and press the normal procedure warming-up, operation, when the temperature of thermometer 25 reaches setting value, throw over switch 5 is placed " alcohol " position, electronic alcohol pump 7 work, liquid alcohol enters in the alcohol reforming device assembly 22 through alcohol filter cleaner 8 and alcohol control valve 10 and evaporates, reform, hydrogen-rich gas after the reformation enters in the reformation air pipe 30 between electromagnet cut off valve 16 and the reformer 22, when wherein pressure reaches the upper limit force value that relay 3 sets, electric fuel pump 4 outages, gasoline stops to supply with, electromagnet cut off valve 16 energisings are simultaneously opened, reformation gas is through voltage stabilizer 17, upgrading valve 18 enters mixer 19, in this and air mixing and be inhaled into the cylinder ignition and acting, finishes the just switching of gasoline → alcohol.Before the shutdown, at first throw over switch 5 is placed " gasoline " position, alcohol pump 7 cuts off the power supply and stops the alcohol supply; pressure in the reformation air pipe descends gradually; when its pressure dropped to the threshold pression value of relay 3 settings, cut-off electromagnetic valve 16 outages were closed, and reformation gas stops to supply with; electric fuel pump 4 energisings simultaneously; the system recovery gas supply is finished the anti-switching of alcohol → gasoline, and the as ready line number is after second; close ignition switch 2, engine stoping operation.The effect of alcohol pressure regulator 9 is that the pressure of keeping in the liquid ethanol pipeline is basicly stable.The effect that the reformation atmospheric pressure is stabilized device 12 is the pressure of regulating automatically within the specific limits when engine operating condition changes in the reformation air pipe 30.
Embodiment
The inventor adopts above-mentioned aqueous alcohol reforming fuel feeding system, successively the BJ492Q carburetor gasoline engine is become reformed gas-aqueous alcohol reformed gas dual-purpose fuel engine with EQ6100 electronic gasoline injection gasoline engine refitting, and reequiped " the moderately well-off K07 of east wind " and " YK6100 " reformed gas-aqueous alcohol reformed gas dual-purpose fuel principle sample car in view of the above.Engine pedestal and motor road test result show:
1. can on the conventional point combustion engine, use 100% aqueous alcohol;
2. can realize the mutual conversion between " gasoline " and " aqueous alcohol " two kinds of fuel automatically, not change operator's operating habit substantially;
3. when engine operating condition changes, can stabilize the pressure of alcohol reforming gas within the specific limits automatically, it is stabilized in the scope of design;
4. use the rich hydrogen mixed gas fuel after aqueous alcohol is reformed, can realize lean combustion, improved combustion efficiency, can reduce NO significantly simultaneously
xEtc. the emission of harmful substances amount;
5. except that compression ratio and ignition advance angle need be done suitably to adjust, the structure of prototype was constant substantially.
Claims (6)
1. reformed gas-aqueous alcohol reformed gas dual-purpose fuel engine alcohol reforming fuel feeding system, comprise aqueous alcohol supply subtense angle, aqueous alcohol reformation subtense angle, aqueous alcohol reformation gas supply subtense angle and control subsystem, it is characterized in that: on the reformation air pipe (30) between aqueous alcohol reformation subtense angle and the motor, electromagnet cut off valve (16) is set, electromagnet cut off valve (16) is by pressure relay (3) control, and the control end of pressure relay (3) is communicated with reformation air pipe (30).
2. reformed gas-aqueous alcohol reformed gas dual-purpose fuel engine alcohol reforming fuel feeding system according to claim 1 is characterized in that: at the preceding reformation air pipe (30) of stop valve (16) the reformation atmospheric pressure is set and stabilizes device (12); Stabilize device (12) and be connected with (28) by connecting pipeline (27), electromagnet cut off valve (14) is set on the connecting pipeline (27) with reformation air pipe (30); Electromagnet cut off valve (14) is by pressure relay (15) control, and the control mouth of pressure relay (15) is communicated with reformation air pipe (30), and gas feedback one-way valve (13) is housed on connecting pipeline (28).
3. reformed gas-aqueous alcohol reformed gas dual-purpose fuel engine alcohol reforming fuel feeding system according to claim 1 is characterized in that: on the reformation air pipe (30) of aqueous alcohol reformation subtense angle and motor voltage stabilizer (17) is set.
4. reformed gas-aqueous alcohol reformed gas dual-purpose fuel engine alcohol reforming fuel feeding system according to claim 1 is characterized in that: on the reformation air pipe (30) before entering engine agitator reformation gas fuel control unit (18) is set.
5. reformed gas-aqueous alcohol reformed gas dual-purpose fuel engine alcohol reforming fuel feeding system according to claim 1, it is characterized in that: mounting temperature sensor (23) on the alcohol reforming device of aqueous alcohol reformation subtense angle, temperature transducer (23) is connected with thermometer (25).
6. reformed gas-aqueous alcohol reformed gas dual-purpose fuel engine alcohol reforming fuel feeding system according to claim 1 is characterized in that: in electronic alcohol pump (7) control loop of aqueous alcohol supply subtense angle throw over switch (5) is set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2008100466044A CN100572788C (en) | 2008-01-02 | 2008-01-02 | The reformed gas-aqueous alcohol reformed gas dual-purpose fuel engine alcohol reforming fuel feeding system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2008100466044A CN100572788C (en) | 2008-01-02 | 2008-01-02 | The reformed gas-aqueous alcohol reformed gas dual-purpose fuel engine alcohol reforming fuel feeding system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101216003A CN101216003A (en) | 2008-07-09 |
| CN100572788C true CN100572788C (en) | 2009-12-23 |
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|---|---|---|---|
| CNB2008100466044A Expired - Fee Related CN100572788C (en) | 2008-01-02 | 2008-01-02 | The reformed gas-aqueous alcohol reformed gas dual-purpose fuel engine alcohol reforming fuel feeding system |
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| CN (1) | CN100572788C (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8001934B2 (en) * | 2010-04-08 | 2011-08-23 | Ford Global Technologies, Llc | Pump control for reformate fuel storage tank |
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Assignee: Dongfeng Shiye (Shiyan) Auto Industrial Co., Ltd. Assignor: Wuhan University of Technology|Dongfeng Motor Corporation Contract record no.: 2011420000238 Denomination of invention: Reformed gas-aqueous alcohol reformed gas dual-purpose fuel engine alcohol reforming fuel feeding system Granted publication date: 20091223 License type: Exclusive License Open date: 20080709 Record date: 20110901 |
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| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091223 Termination date: 20140102 |