CN103819040A - Forward-osmosis industrial sewage treatment equipment and technical process thereof - Google Patents

Forward-osmosis industrial sewage treatment equipment and technical process thereof Download PDF

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CN103819040A
CN103819040A CN201410077622.4A CN201410077622A CN103819040A CN 103819040 A CN103819040 A CN 103819040A CN 201410077622 A CN201410077622 A CN 201410077622A CN 103819040 A CN103819040 A CN 103819040A
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sewage
water
strong
strong sewage
osmosis membrane
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CN103819040B (en
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张英华
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00Technologies for wastewater treatment
    • Y02W10/30Wastewater or sewage treatment systems using renewable energies
    • Y02W10/37Wastewater or sewage treatment systems using renewable energies using solar energy

Abstract

The invention discloses forward-osmosis industrial sewage treatment equipment and a technical process thereof. The technical process comprises the following steps: allowing weak sewage extracted from a weak sewage pool to sequentially pass through a filter and a water vapor condenser, and then allowing the weak sewage to enter a forward osmosis membrane core; allowing carbon dioxide and ammonia gas to enter a reclaimed water area of an industrial sewage treatment device to generate an ammonium bicarbonate solution; allowing the ammonium bicarbonate solution in the reclaimed water area to pass through a forward osmosis membrane so as to enter the forward osmosis membrane core, and allowing the reclaimed water in the forward osmosis membrane core to permeate into the reclaimed water area; heating the reclaimed water containing ammonium bicarbonate flowing out of the reclaimed water area, and allowing the reclaimed water to enter a reclaimed water tank to be further heated and stirred by a stirrer; using a reclaimed water vacuum fan to pump the decomposed carbon dioxide and ammonia gas into the reclaimed water area for recycling; heating concentrated sewage from the forward osmosis membrane core, and allowing the concentrated sewage to enter a concentrated sewage tank to be heated and stirred; using a concentrated sewage vacuum fan to pump the decomposed carbon dioxide and ammonia gas into the reclaimed water area for recycling; using a multi-effect flash purification device to further concentrate the concentrated sewage from the concentrated sewage tank.

Description

Positive osmose process equipment for processing industrial sewage and technical process thereof
Technical field:
The present invention relates to a kind of positive osmose process equipment for processing industrial sewage and technical process thereof.
Background technology:
In order to allow iron plate not be corroded, zinc-plated on iron plate; Before zinc-plated, will carry out pickling to iron plate, the waste liquid of generation contains a large amount of inorganic metal salts, cannot extract but concentration is low.If very high with the moisture content cost in boiler heating evaporation sewage, if it is oversize to be placed on the time that the pond of being exposed to the sun consumes in spontaneous evaporation, with the reverse osmosis method cost of disposing of sewage be also very high.
Summary of the invention:
The positive osmose process equipment for processing industrial sewage of the present invention structure is as follows: positive osmose process equipment for processing industrial sewage is by weak sewage pond, weak sewage pump, strainer, just permeating industrial sewage treater, middle oil-to-water heat exchanger, middle water pot, middle water heater, middle water agitator, middle water pump, middle water vacuum blower, middle water and strong sewage cool-heat-exchanger, strong sewage tank, strong sewage well heater, strong sewage agitator, strong sewage pump, strong sewage vacuum blower, strong sewage settling tank, strong sewage multi-effect flashing steam refining plant or strong sewage spraying type multistage flash evaporation refining plant, carbonic acid gas gas-holder, ammonia gas-holder and computer controller composition.Just permeating industrial sewage processor structure as follows: rectangle plastic foamboard box coated outside one deck forward osmosis membrane, then in the middle of being buckled in the rectangle plastic foamboard box that two rectangle porous plastics lids with flanging forward osmosis membrane coated outside, then with short screw through the hole on rectangle foamed ceramics lid flanging by the be fixed together module of formation of two rectangle porous plastics lids.Weak sewage water inlet pipe is equipped with in the upper end of rectangle plastic foamboard box, strong sewage rising pipe is equipped with in lower end, and all weak sewage water inlet pipes are together in parallel and form the water inlet pipe of forward osmosis membrane core.All strong sewage rising pipes are together in parallel and form the rising pipe of forward osmosis membrane core, between two plates of forward osmosis membrane core, have many pillar stiffeners.The square porous plastics lid of the first block length of laminating module in parallel above and one, each pad below of the square porous plastics lid of last block length and the big or small identical rectangular rubber pad of rectangle porous plastics lid, put two rectangle stainless steel plates larger than rectangular rubber pad in the square rubber pad of two block lengths outside again, clamp and just form forward osmosis membrane core being clipped in module between the square stainless steel plate of two block lengths by rectangle stainless steel plate with stainless steel support, finally forward osmosis membrane core is put in the sealed vessel that water rising pipe is housed.The structure of strong sewage multi-effect flashing steam refining plant is identical with the structure of multi-effect flashing steam sea water desalinating plant, the condensing zone of receiving water vapor condensation device at the air outlet tube at the top of strong sewage multi-effect flashing steam cleaner, the top of water vapor condensation device condensing zone is equipped with water vapour vacuum blower, the water vapour in strong sewage multi-effect flashing steam cleaner is extracted into the condensing zone of water vapor condensation device.The structure of strong sewage spraying type multistage flash evaporation refining plant is identical with the structure of the patent No. 201310100432.5 " spraying type multistage seawater desalting equipment ", the strong sewage pipe picking out from strong sewage pump enters strong sewage spraying type multistage flash evaporation cleaner, and the wind that gas blower blows out also enters in strong sewage spraying type multistage flash evaporation cleaner by airduct.Mechanism structure in strong sewage spraying type multistage flash evaporation cleaner is as follows: several bell-shaped nozzle that Open Side Down are housed on the strong sewage pipe of strong sewage spraying type multistage flash evaporation cleaner, in strong sewage spraying type multistage flash evaporation cleaner, the take-off pipe of airduct stretches into the top of receiving bell-shaped nozzle after strong sewage pipe downwards, on the circle space between end and the junction, bell-shaped nozzle top of the take-off pipe of strong sewage pipe inside trumpet shape nozzle and airduct, there is the radioactivity crack of a circle centered by the center of circle, bell-shaped nozzle top.On bell-shaped nozzle inwall, have spiral rifling, bell-shaped nozzle exit is shunk and stainless (steel) wire is installed.The wind speed of the wind that the airduct take-off pipe end in bell-shaped nozzle blows out is much larger than the speed of the strong sewage from crack, bell-shaped nozzle top ejection, and the volume of the air that blows out of airduct take-off pipe end in bell-shaped nozzle is the several times from the volume of the strong sewage of crack, bell-shaped nozzle top ejection.Promote strong sewage from airduct take-off pipe end wind out and spraying from bell-shaped nozzle, forming vaporific strong sewage.The condensing zone that the air outlet tube of strong sewage spraying type multistage flash evaporation cleaner is received water vapor condensation device.The tap of weak sewage pump water inlet pipe is in weak sewage pond, the rising pipe of weak sewage pump is received on strainer, the rising pipe of strainer is received the cold water area of water vapor condensation device, and the rising pipe of the cold water area of water vapor condensation device is received the forward osmosis membrane core entrance that just permeates industrial sewage treater.The escape pipe of carbonic acid gas gas-holder receives through carbonic acid gas magnetic valve the middle pool of just permeating industrial sewage treater.The escape pipe of ammonia gas-holder also receives through ammonia gas solenoid valve the middle pool of just permeating industrial sewage treater.The rising pipe that is just permeating the middle pool of industrial sewage treater is received the cold water area of middle oil-to-water heat exchanger.The rising pipe of the cold water area of middle oil-to-water heat exchanger is received on middle water pot by solar heater, or the rising pipe of the cold water area of middle oil-to-water heat exchanger directly receive the inside be equipped with on the middle water pot of middle water and wastewater industry heater heated by waste heat.Middle water agitator is housed in middle water pot, and the air suction pipe of middle water vacuum blower is equipped with at the top of middle water pot, and the escape pipe of middle water vacuum blower is received the middle pool of just permeating industrial sewage treater; The rising pipe of middle water pot is received middle water pump water inlet, the rising pipe of middle water pump is received hydrothermal area's release of heat of middle water and strong sewage cool-heat-exchanger, the hydrothermal area that hydrothermal area's rising pipe of middle water and strong sewage cool-heat-exchanger is received middle oil-to-water heat exchanger discharges remaining heat, and the hydrothermal area's of middle oil-to-water heat exchanger rising pipe is received on sewer line.Just permeating the cold water area that the rising pipe of the forward osmosis membrane core of industrial sewage treater is received middle water and strong sewage cool-heat-exchanger, the strong sewage rising pipe of the cold water area of middle water and strong sewage cool-heat-exchanger is received on strong sewage tank by strong sewage solar heater, or the rising pipe of the cold water area of middle water and strong sewage cool-heat-exchanger directly receive the inside be equipped with on the strong sewage tank of strong sewage industrial exhaust heat well heater.Strong sewage agitator is housed in strong sewage tank, and the air suction pipe of strong sewage vacuum blower is equipped with at the top of strong sewage tank, and the escape pipe of strong sewage vacuum blower is also received the middle pool of just permeating industrial sewage treater.The rising pipe of strong sewage tank is received on strong sewage multi-effect flashing steam cleaner or strong sewage spraying type multistage flash evaporation cleaner by strong sewage pump.Strong sewage multi-effect flashing steam refining plant is made up of multistage strong sewage multi-effect flashing steam cleaner.Strong sewage spraying type multistage flash evaporation refining plant is made up of multistage strong sewage spraying type multistage flash evaporation cleaner.Strong sewage multi-effect flashing steam refining plant or strong sewage spraying type multistage flash evaporation refining plant strong sewage pipe are out received strong sewage settling tank.
The technical process of the positive osmose process industrial sewage of the present invention processing is as follows: the weak sewage that weak sewage pump extracts from weak sewage pond is filtered through strainer, heated through the cold water area of water vapor condensation device again, then weak sewage with no pressure or minute-pressure enters in the forward osmosis membrane core just permeating in industrial sewage treater.The carbonic acid gas magnetic valve of opening through energising from the escape pipe of carbonic acid gas gas-holder CO 2 high pressure gas out enters the middle pool of just permeating industrial sewage treater, and the ammonia gas solenoid valve of opening through energising from the escape pipe of ammonia gas-holder ammonia out also enters the middle pool of just permeating industrial sewage treater.Carbonic acid gas and ammonia enter the inorganic salt solution that chemical reaction occurs in middle water behind the middle pool of just permeating in industrial sewage treater and generate bicarbonate of ammonia, are five times of inorganic salt solution concentration in forward osmosis membrane core in the concentration of middle pool hydrogen-carbonate ammonium salt.Enter middle pool through forward osmosis membrane just permeating in industrial sewage treater the middle water in forward osmosis membrane core, the ammonium bicarbonate soln in middle pool through forward osmosis membrane enter in forward osmosis membrane core, to reach the concentration balance of inorganic salt in Liang Ge district.In forward osmosis membrane core, the part ammonium ion of bicarbonate of ammonia and heavy metal ion formation complex compound are easy to be dissolved in sewage, and the strong sewage that contains bicarbonate of ammonia flows out from the forward osmosis membrane core lower end of just permeating industrial sewage treater.The middle water that contains bicarbonate of ammonia flows out from the rising pipe that just permeates the middle pool industrial sewage treater, and the cold water area that flows to middle oil-to-water heat exchanger is heated; Then entering solar heater is entered into 70 ℃ and enters water pot again or directly enter water pot by industrial exhaust heat heater heats to 70 ℃.Middle water agitator in middle water pot makes middle water homogeneous heating, bicarbonate of ammonia decomposes in middle water pot generates the top to middle water pot of carbonic acid gas and ammonia rising, in middle water vacuum blower handle, carbonic acid gas and the ammonia at water pot top pump to the middle pool of just permeating in industrial sewage treater, and carbonic acid gas and ammonia re-start chemical reaction generation bicarbonate of ammonia and be recycled in middle pool.In middle pump handle, in water heater, the water of hankering that discharges after carbonic acid gas and ammonia of heating is extracted into the hydrothermal area in middle water and strong sewage cool-heat-exchanger, hankers water and discharge a large amount of heats and heated forward osmosis membrane core lower end from just permeating industrial sewage treater and enter out the strong sewage of middle water and strong sewage cool-heat-exchanger cold water area in middle water and strong sewage cool-heat-exchanger.The middle water that therefrom hydrothermal area of water and strong sewage cool-heat-exchanger band out has surplus heat enter hydrothermal area in middle oil-to-water heat exchanger heating from just permeate industrial sewage treater pool out enter afterwards the middle water of the cold water area of middle oil-to-water heat exchanger, in the water drain that therefrom the middle water out of the hydrothermal area in oil-to-water heat exchanger is directly discharged.Therefrom the cold water area of water and strong sewage cool-heat-exchanger strong sewage out enter solar heater be heated to 70 ℃ enter again strong sewage tank in or directly enter strong sewage tank in by strong sewage industrial exhaust heat heater heats to 70 ℃.The top that the stirring of strong sewage agitator is conducive to strong sewage and is resolved into carbonic acid gas and ammonia and be gathered in strong sewage tank by the bicarbonate of ammonia in homogeneous heating and strong sewage in strong sewage tank, strong sewage vacuum blower is also pumped to the carbonic acid gas of strong sewage tank top and ammonia the middle pool of just permeating industrial sewage treater, and carbonic acid gas and ammonia also re-start chemical reaction generation bicarbonate of ammonia and be recycled in middle pool.Strong sewage pump pumps to the hot strong sewage that discharges carbonic acid gas and ammonia in strong sewage tank in strong sewage multi-effect flashing steam cleaner or strong sewage spraying type multistage flash evaporation cleaner, flows to cooled inorganic salt solubleness decline in strong sewage settling tank and separate out inorganic salt after strong sewage is further concentrated.Entering the condensing zone of water vapor condensation device water vapour from strong sewage multi-effect flashing steam cleaner or strong sewage spraying type multistage flash evaporation cleaner water vapour is out cooled and produces a large amount of distilled water.In the cold water area of water vapor condensation device, weak sewage enters and is just permeating forward osmosis membrane core in industrial sewage treater after being heated, and the middle water that after weak sewage is heated, viscosity reduces to be conducive to wherein passes pool in forward osmosis membrane arrival.
Accompanying drawing explanation:
Below in conjunction with the drawings and specific embodiments, the present invention is done to further concrete detailed explanation.
Fig. 1 is the positive osmose process industrial sewage treatment technology of the present invention process principle figure.
Fig. 2 is the nozzle sectional view in strong sewage spraying type multistage flash evaporation cleaner in the present invention.
Fig. 3 is the rectangle plastic foamboard box horizontal cross of forward osmosis membrane core in the present invention.
Fig. 4 is the rectangle plastic foamboard box front view of forward osmosis membrane core in the present invention.
Fig. 5 is the horizontal cross of the rectangle foamed ceramics lid of forward osmosis membrane core in the present invention.
Fig. 6 is the front view of the rectangle foamed ceramics lid of forward osmosis membrane core in the present invention.
Fig. 7 is the horizontal cross of forward osmosis membrane core in the present invention.
Embodiment:
Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, shown in Fig. 6 and Fig. 7, the positive osmose process equipment for processing industrial sewage of the present invention structure is as follows: positive osmose process equipment for processing industrial sewage is by weak sewage pond 1, weak sewage pump 2, strainer 3, just permeating industrial sewage treater 5, middle oil-to-water heat exchanger 14, middle water pot 15, middle water heater, middle water agitator 16, middle water pump 18, middle water vacuum blower 19, middle water and strong sewage cool-heat-exchanger 6, strong sewage tank 7, strong sewage well heater, strong sewage agitator 8, strong sewage pump 10, strong sewage vacuum blower 11, strong sewage settling tank, strong sewage multi-effect flashing steam refining plant or strong sewage spraying type multistage flash evaporation refining plant, carbonic acid gas gas-holder 20, ammonia gas-holder 21 and computer controller composition.Just permeating industrial sewage treater 5 structures as follows: rectangle plastic foamboard box 501 coated outside one deck forward osmosis membranes 502, then in the middle of being buckled in the rectangle plastic foamboard box 501 that two rectangle porous plastics lids 503 with flanging forward osmosis membrane 502 coated outside, then with short screw through the hole on rectangle foamed ceramics lid (503) flanging by the be fixed together module of formation of two rectangle porous plastics lids 503.Weak sewage water inlet pipe is equipped with in the upper end of rectangle plastic foamboard box 501, strong sewage rising pipe is equipped with in lower end, all weak sewage water inlet pipes are together in parallel and form the water inlet pipe of forward osmosis membrane core, all strong sewage rising pipes are together in parallel and form the rising pipe of forward osmosis membrane core, between two plates of forward osmosis membrane core, have many pillar stiffeners.The square porous plastics lid 503 of the first block length of laminating module in parallel above and one, each pad below of the square porous plastics lid 503 of last block length and the big or small identical rectangular rubber pad 504 of rectangle porous plastics lid 503, put two rectangle stainless steel plates 505 larger than rectangular rubber pad 504 in the square rubber pad of two block lengths 504 outsides again, by rectangle stainless steel plate 505, the module that is clipped in 505 of the square stainless steel plates of two block lengths is clamped and just forms forward osmosis membrane core with stainless steel support 506, finally forward osmosis membrane core is put in the sealed vessel that water rising pipe is housed.The structure of strong sewage multi-effect flashing steam refining plant is identical with the structure of multi-effect flashing steam sea water desalinating plant, the condensing zone of receiving water vapor condensation device 4 at the air outlet tube at the top of strong sewage multi-effect flashing steam cleaner 12, the top of water vapor condensation device 4 condensing zones is equipped with water vapour vacuum blower 13, the water vapour of 12 li of strong sewage multi-effect flashing steam cleaners is extracted into the condensing zone of water vapor condensation device 4.The structure of strong sewage spraying type multistage flash evaporation refining plant is identical with the structure of spraying type multistage seawater desalting device, the strong sewage pipe 1202 ' picking out from strong sewage pump enters strong sewage spraying type multistage flash evaporation cleaner, and the wind that gas blower blows out also enters in strong sewage spraying type multistage flash evaporation cleaner by airduct 1201 '.Mechanism structure in strong sewage spraying type multistage flash evaporation cleaner is as follows: several bell-shaped nozzle 1203 ' that Open Side Down are housed on the strong sewage pipe 1202 ' of strong sewage spraying type multistage flash evaporation cleaner, in strong sewage spraying type multistage flash evaporation cleaner, the take-off pipe of airduct 1201 ' stretches into the top of receiving bell-shaped nozzle 1203 ' after strong sewage pipe 1202 ' downwards, on the circle space between end and the bell-shaped nozzle 1203 ' junction, top of the take-off pipe of strong sewage pipe 1202 ' inside trumpet shape nozzle 1203 ' and airduct 1201 ', there is the radioactivity crack of a circle centered by the bell-shaped nozzle 1203 ' center of circle, top.On bell-shaped nozzle 1203 ' inwall, have spiral rifling, bell-shaped nozzle 1203 ' exit is shunk and stainless (steel) wire is installed.The wind speed of the wind that airduct 1201 ' the take-off pipe end in bell-shaped nozzle 1203 ' blows out is much larger than the speed of the strong sewage from bell-shaped nozzle 1203 ' crack, top ejection, and the volume of the air that blows out of airduct 1201 ' take-off pipe end in bell-shaped nozzle 1203 ' is the several times from the volume of the strong sewage of bell-shaped nozzle 1203 ' crack, top ejection.Promote strong sewage from bell-shaped nozzle 1203 ' ejection from airduct 1201 ' take-off pipe end wind out, forming vaporific strong sewage.The condensing zone that the air outlet tube of strong sewage spraying type multistage flash evaporation cleaner is received water vapor condensation device 4.1 li in weak sewage pond, the tap of weak sewage pump 2 water inlet pipes, the rising pipe of weak sewage pump 2 is received on strainer 3, the rising pipe of strainer 3 is received the cold water area of water vapor condensation device 4, and the rising pipe of the cold water area of water vapor condensation device 4 is received the forward osmosis membrane core entrance that just permeates industrial sewage treater 5.The escape pipe of carbonic acid gas gas-holder 20 receives through carbonic acid gas magnetic valve 22 the middle pool of just permeating industrial sewage treater 5, and the escape pipe of ammonia gas-holder 21 also receives through ammonia gas solenoid valve 23 the middle pool of just permeating industrial sewage treater 5.Just permeating the cold water area that the rising pipe in the middle pool of industrial sewage treater 5 is received middle oil-to-water heat exchanger 14, the rising pipe of the cold water area of middle oil-to-water heat exchanger 14 is received on middle water pot 15 by solar heater or the rising pipe of the cold water area of middle oil-to-water heat exchanger 14 is directly received the inside and is equipped with on the middle water pot 15 of middle water and wastewater industry heater heated by waste heat 17.Middle water agitator 16 is housed in middle water pot 15, and the air suction pipe of middle water vacuum blower 19 is equipped with at the top of middle water pot 15, and the escape pipe of middle water vacuum blower 19 is received the middle pool of just permeating industrial sewage treater 5.The rising pipe of middle water pot 15 is received middle water pump 18 water inlets, the rising pipe of middle water pump 18 is received hydrothermal area's release of heat of middle water and strong sewage cool-heat-exchanger 6, the hydrothermal area that hydrothermal area's rising pipe of middle water and strong sewage cool-heat-exchanger 6 is received middle oil-to-water heat exchanger 14 discharges remaining heat, and the hydrothermal area's of middle oil-to-water heat exchanger 14 rising pipe is received on water drain.Just permeating the cold water area that the rising pipe of the forward osmosis membrane core of industrial sewage treater 5 is received middle water and strong sewage cool-heat-exchanger 6.The rising pipe of the cold water area of middle water and strong sewage cool-heat-exchanger 6 is received on strong sewage tank 7 by strong sewage solar heater or the rising pipe of the cold water area of middle water and strong sewage cool-heat-exchanger 6 is directly received the inside and is equipped with on the strong sewage tank 7 of strong sewage industrial exhaust heat well heater 9.Strong sewage agitator 8 is housed in strong sewage tank 7, and the air suction pipe of strong sewage vacuum blower 11 is equipped with at the top of strong sewage tank 7, and the escape pipe of strong sewage vacuum blower 11 is also received the middle pool of just permeating industrial sewage treater 5.The rising pipe of strong sewage tank 7 is received on strong sewage multi-effect flashing steam cleaner 12 or strong sewage spraying type multistage flash evaporation cleaner by strong sewage pump 10.Strong sewage multi-effect flashing steam refining plant 12 or strong sewage spraying type multistage flash evaporation refining plant strong sewage pipe are out received strong sewage settling tank.
Shown in Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6 and Fig. 7, the industrial flow of the positive osmose process industrial sewage of the present invention processing is as follows: the weak sewage of weak sewage pump 2 extraction from weak sewage pond 1 is filtered through strainer 3, heated through the cold water area of water vapor condensation device 4 again, then weak sewage with no pressure or minute-pressure enters in the forward osmosis membrane core just permeating in industrial sewage treater 5.The carbonic acid gas magnetic valve 22 of opening through energising from the escape pipe of carbonic acid gas gas-holder 20 CO 2 high pressure gas out enter just permeate industrial sewage treater 5 pool, the ammonia gas solenoid valve 23 of opening through energising from the escape pipe of ammonia gas-holder 21 ammonia out also enter just permeating industrial sewage treater 5 pool.Carbonic acid gas and ammonia enter the inorganic salt solution that chemical reaction occurs in middle water behind the middle pool of just permeating industrial sewage treater 5 and generate bicarbonate of ammonia, are five times of inorganic salt solution concentration in forward osmosis membrane core in the concentration of middle pool hydrogen-carbonate ammonium salt.Middle water in the forward osmosis membrane core that just permeates industrial sewage treater 5 enters middle pool through forward osmosis membrane, the ammonium bicarbonate soln in middle pool through forward osmosis membrane enter in forward osmosis membrane core, to reach the concentration balance of inorganic salt in Liang Ge district.In forward osmosis membrane core, the part ammonium ion of bicarbonate of ammonia and heavy metal ion formation complex compound are easy to be dissolved in sewage, and the strong sewage that contains bicarbonate of ammonia flows out from the forward osmosis membrane core lower end of just permeating industrial sewage treater 5.The middle water that contains bicarbonate of ammonia from just permeate industrial sewage treater 5 pool rising pipe flow out, the cold water area that flows to middle oil-to-water heat exchanger is heated, then enter solar heater and entered into 70 ℃ and enter water pot again or directly enter water pot 15 and be heated to 70 ℃ by industrial exhaust heat well heater 12, the middle water agitator in middle water pot makes middle water homogeneous heating.Bicarbonate of ammonia decomposes in middle water pot generates the top to middle water pot 15 of carbonic acid gas and ammonia rising, in middle water vacuum blower 19 handles, carbonic acid gas and the ammonia at water pot 15 tops pump to the middle pool of just permeating industrial sewage treater 5, and carbonic acid gas and ammonia re-start chemical reaction generation bicarbonate of ammonia and be recycled in middle pool.Middle water pump 18 in water pot 15 heating discharge the hydrothermal area who hankers water and be extracted into middle water and strong sewage cool-heat-exchanger 6 after carbonic acid gas and ammonia, discharge a large amount of heats and heated forward osmosis membrane core lower end from just permeating industrial sewage treater 5 and enter out the strong sewage of middle water and strong sewage cool-heat-exchanger 6 cold water area at the water of hankering of 6 li of middle water and strong sewage cool-heat-exchangers.The middle water that therefrom hydrothermal area of water and strong sewage cool-heat-exchanger 6 band out has surplus heat enter hydrothermal area in middle oil-to-water heat exchanger 14 heating from just permeate industrial sewage treater 5 pool out enter afterwards the middle water of the cold water area of middle oil-to-water heat exchanger 14, in the water drain that therefrom the middle water out of the hydrothermal area in oil-to-water heat exchanger 14 is directly discharged.Therefrom the cold water area of water and strong sewage cool-heat-exchanger 6 strong sewage out enter solar heater be heated to 70 ℃ enter again strong sewage tank 7 in or directly enter strong sewage tank 7 in be heated to 70 ℃ by industrial exhaust heat well heater 9, the top that the stirring of strong sewage agitator 8 is conducive to strong sewage and is resolved into carbonic acid gas and ammonia and be gathered in strong sewage tank 7 by the bicarbonate of ammonia in homogeneous heating and strong sewage in strong sewage tank 7, strong sewage vacuum blower 11 is also pumped to the carbonic acid gas at strong sewage tank 7 tops and ammonia the middle pool of just permeating industrial sewage treater 5, carbonic acid gas and ammonia also re-start chemical reaction generation bicarbonate of ammonia and are recycled in middle pool.Strong sewage pump 10 pumps to the hot strong sewage that discharges carbonic acid gas and ammonia in strong sewage tank 7 in strong sewage multi-effect flashing steam cleaner 12 or strong sewage spraying type multistage flash evaporation cleaner, after strong sewage is further concentrated, flow in strong sewage settling tank cooled inorganic salt solubleness and decline and separate out inorganic salt, enter the condensing zone of water vapor condensation device 4 water vapour from strong sewage multi-effect flashing steam cleaner 12 or strong sewage spraying type multistage flash evaporation cleaner water vapour out and be cooled and produce a large amount of distilled water.In the cold water area of water vapor condensation device 4, weak sewage enters and is just permeating forward osmosis membrane core in industrial sewage treater 5 after being heated, and the middle water that after weak sewage is heated, viscosity reduces to be conducive to wherein passes pool in forward osmosis membrane arrival.

Claims (2)

1. a positive osmose process equipment for processing industrial sewage, is characterized in that: positive osmose process equipment for processing industrial sewage is by weak sewage pond (1), weak sewage pump (2), strainer (3), just permeating industrial sewage treater (5), middle oil-to-water heat exchanger (14), middle water pot (15), middle water heater, middle water agitator (16), middle water pump (18), middle water vacuum blower (19), middle water and strong sewage cool-heat-exchanger (6), strong sewage tank (7), strong sewage well heater, strong sewage agitator (8), strong sewage pump (10), strong sewage vacuum blower (11), strong sewage settling tank, strong sewage multi-effect flashing steam refining plant or strong sewage spraying type multistage flash evaporation refining plant, carbonic acid gas gas-holder (20), ammonia gas-holder (21) and computer controller composition, just permeating industrial sewage treater (5) structure as follows: rectangle plastic foamboard box (501) coated outside one deck forward osmosis membrane (502), then be buckled in middle with the rectangle plastic foamboard box (501) that two rectangle porous plastics lids (503) with flanging forward osmosis membrane (502) coated outside, again with short screw through the hole on rectangle foamed ceramics lid (503) flanging by two rectangle porous plastics lids (503) module forming that is fixed together, weak sewage water inlet pipe is equipped with in the upper end of rectangle plastic foamboard box (501), strong sewage rising pipe is equipped with in lower end, and all weak sewage water inlet pipes are together in parallel and form the water inlet pipe of forward osmosis membrane core, and all strong sewage rising pipes are together in parallel and form the rising pipe of forward osmosis membrane core, has many pillar stiffeners between two plates of forward osmosis membrane core, the first square porous plastics lid of block length (503) of laminating module in parallel above and one, each pad below of the square porous plastics lid of last block length (503) and the big or small identical rectangular rubber pad (504) of rectangle porous plastics lid (503), put two rectangle stainless steel plates (505) larger than rectangular rubber pad (504) in the square rubber pad of two block lengths (504) outside again, clamp and just form forward osmosis membrane core being clipped in module between the square stainless steel plate of two block lengths (505) by rectangle stainless steel plate (505) with stainless steel support (506), finally forward osmosis membrane core is put in the sealed vessel that water rising pipe is housed, the structure of strong sewage multi-effect flashing steam refining plant is identical with the structure of multi-effect flashing steam sea water desalinating plant, the condensing zone of receiving water vapor condensation device (4) at the air outlet tube at the top of strong sewage multi-effect flashing steam cleaner (12), the top of water vapor condensation device (4) condensing zone is equipped with water vapour vacuum blower (13), the inner water vapour of strong sewage multi-effect flashing steam cleaner (12) is extracted into the condensing zone of water vapor condensation device (4), the structure of strong sewage spraying type multistage flash evaporation refining plant is identical with the structure of spraying type multistage seawater desalting device, the strong sewage pipe (1202 ') picking out from strong sewage pump enters strong sewage spraying type multistage flash evaporation cleaner, and the wind that gas blower blows out also enters in strong sewage spraying type multistage flash evaporation cleaner by airduct (1201 '), mechanism structure in strong sewage spraying type multistage flash evaporation cleaner is as follows: several bell-shaped nozzle (1203 ') that Open Side Down are housed on the strong sewage pipe (1202 ') of strong sewage spraying type multistage flash evaporation cleaner, in strong sewage spraying type multistage flash evaporation cleaner, the take-off pipe of airduct (1201 ') stretches into the top of receiving bell-shaped nozzle (1203 ') after strong sewage pipe (1202 ') downwards, on the circle space between end and the junction, bell-shaped nozzle (1203 ') top of the take-off pipe of strong sewage pipe (1202 ') inside trumpet shape nozzle (1203 ') and airduct (1201 '), there is the radioactivity crack of a circle centered by the center of circle, bell-shaped nozzle (1203 ') top, on bell-shaped nozzle (1203 ') inwall, have spiral rifling, bell-shaped nozzle (1203 ') exit is shunk and stainless (steel) wire is installed, the wind speed of the wind blowing out from airduct (1201 ') the take-off pipe end in bell-shaped nozzle (1203 ') is much larger than the speed of the strong sewage from the ejection of crack, bell-shaped nozzle (1203 ') top, and the volume of the air that blows out of airduct (1201 ') take-off pipe end in bell-shaped nozzle (1203 ') is the several times from the volume of the strong sewage of crack, bell-shaped nozzle (1203 ') top ejection, promote strong sewage from bell-shaped nozzle (1203 ') ejection from airduct (1201 ') take-off pipe end wind out, forming vaporific strong sewage, the air outlet tube of strong sewage spraying type multistage flash evaporation cleaner is received the condensing zone of water vapor condensation device (4), the tap of weak sewage pump (2) water inlet pipe is inner in weak sewage pond (1), the rising pipe of weak sewage pump (2) is received on strainer (3), the rising pipe of strainer (3) is received the cold water area of water vapor condensation device (4), and the rising pipe of the cold water area of water vapor condensation device (4) is received the forward osmosis membrane core entrance that just permeates industrial sewage treater (5), the escape pipe of carbonic acid gas gas-holder (20) receives through carbonic acid gas magnetic valve (22) the middle pool of just permeating industrial sewage treater (5), the escape pipe of ammonia gas-holder (21) also receives through ammonia gas solenoid valve (23) the middle pool of just permeating industrial sewage treater (5), the rising pipe that is just permeating the middle pool of industrial sewage treater (5) is received the cold water area of middle oil-to-water heat exchanger (14), the rising pipe of the cold water area of middle oil-to-water heat exchanger (14) is received on middle water pot (15) by solar heater, or the rising pipe of the cold water area of middle oil-to-water heat exchanger (14) is directly received the inside and is equipped with on the middle water pot (15) of middle water and wastewater industry heater heated by waste heat (17), middle water agitator (16) is housed in middle water pot (15), the air suction pipe of middle water vacuum blower (19) is equipped with at the top of middle water pot (15), the escape pipe of middle water vacuum blower (19) is received the middle pool of just permeating industrial sewage treater (5), the rising pipe of middle water pot (15) is received middle water pump (18) water inlet, the rising pipe of middle water pump (18) is received hydrothermal area's release of heat of middle water and strong sewage cool-heat-exchanger (6), the hydrothermal area that hydrothermal area's rising pipe of middle water and strong sewage cool-heat-exchanger (6) is received middle oil-to-water heat exchanger (14) discharges remaining heat, the hydrothermal area's of middle oil-to-water heat exchanger (14) rising pipe is received on water drain, just permeating the cold water area that the rising pipe of the forward osmosis membrane core of industrial sewage treater (5) is received middle water and strong sewage cool-heat-exchanger (6), the rising pipe of the cold water area of middle water and strong sewage cool-heat-exchanger (6) is received on strong sewage tank (7) by strong sewage solar heater, or the rising pipe of the cold water area of middle water and strong sewage cool-heat-exchanger (6) is directly received the inside and is equipped with on the strong sewage tank (7) of strong sewage industrial exhaust heat well heater (9), strong sewage agitator (8) is housed in strong sewage tank (7), the air suction pipe of strong sewage vacuum blower (11) is equipped with at the top of strong sewage tank (7), the escape pipe of strong sewage vacuum blower (11) is also received the middle pool of just permeating industrial sewage treater (5), the rising pipe of strong sewage tank (7) is received on strong sewage multi-effect flashing steam cleaner (12) or strong sewage spraying type multistage flash evaporation cleaner by strong sewage pump (10), strong sewage multi-effect flashing steam refining plant is made up of multistage strong sewage multi-effect flashing steam cleaner (12), strong sewage spraying type multistage flash evaporation refining plant is made up of multistage strong sewage spraying type multistage flash evaporation cleaner, strong sewage multi-effect flashing steam refining plant or strong sewage spraying type multistage flash evaporation refining plant strong sewage pipe are out received strong sewage settling tank.
2. the industrial flow of positive osmose process industrial sewage processing, it is characterized in that: the technical process of positive osmose process industrial sewage processing is as follows: weak sewage pump (2) is filtered through strainer (3) from the weak sewage of the extraction in weak sewage pond (1), the cold water area of passing through again water vapor condensation device (4) is heated, and then weak sewage with no pressure or minute-pressure enters in the forward osmosis membrane core just permeating in industrial sewage treater (5), the carbonic acid gas magnetic valve (22) of opening through energising from the escape pipe of carbonic acid gas gas-holder (20) CO 2 high pressure gas out enter just permeate industrial sewage treater (5) pool, the ammonia gas solenoid valve (23) of opening through energising from the escape pipe of ammonia gas-holder (21) ammonia out also enter just permeating industrial sewage treater (5) pool, carbonic acid gas and ammonia enter the inorganic salt solution that chemical reaction occurs in middle water behind the middle pool of just permeating industrial sewage treater (5) and generate bicarbonate of ammonia, five times of inorganic salt solution concentration in forward osmosis membrane core in the concentration of middle pool hydrogen-carbonate ammonium salt, enter middle pool through forward osmosis membrane just permeating in industrial sewage treater (5) the middle water in forward osmosis membrane core, the ammonium bicarbonate soln in middle pool enters in forward osmosis membrane core through forward osmosis membrane, to reach the concentration balance of inorganic salt in Liang Ge district, in forward osmosis membrane core, the part ammonium ion of bicarbonate of ammonia and heavy metal ion formation complex compound are easy to be dissolved in sewage, the strong sewage that contains bicarbonate of ammonia flows out from the forward osmosis membrane core lower end of just permeating industrial sewage treater (5), the middle water that contains bicarbonate of ammonia from just permeate industrial sewage treater (5) pool rising pipe flow out, the cold water area that flows to middle oil-to-water heat exchanger (14) is heated, then enter solar heater entered into 70 ℃ enter again water pot (15) or directly enter water pot by water and wastewater industry heater heated by waste heat (17) be heated to 70 ℃, middle water agitator (16) in middle water pot (15) makes middle water homogeneous heating, bicarbonate of ammonia decomposes in middle water pot (15) generates the top to middle water pot (15) of carbonic acid gas and ammonia rising, middle water vacuum blower (19) pumps to the carbonic acid gas at middle water pot (15) top and ammonia the middle pool of just permeating industrial sewage treater (5), carbonic acid gas and ammonia re-start chemical reaction generation bicarbonate of ammonia and are recycled in middle pool, the water of hankering that middle water pump (18) discharges heating in middle water pot (15) after carbonic acid gas and ammonia is extracted into the hydrothermal area in middle water and strong sewage cool-heat-exchanger (6), in middle water and strong sewage cool-heat-exchanger (6) interior heat, water discharges a large amount of heats and has heated forward osmosis membrane core lower end from just permeating industrial sewage treater (5) and enter out the strong sewage of middle water and strong sewage cool-heat-exchanger (6) cold water area, the middle water that therefrom hydrothermal area of water and strong sewage cool-heat-exchanger (6) band out has surplus heat enter hydrothermal area in middle oil-to-water heat exchanger (14) heating from just permeate industrial sewage treater (5) pool out enter afterwards the middle water of the cold water area of middle oil-to-water heat exchanger (6), in the water drain that therefrom the inner hydrothermal area of oil-to-water heat exchanger (6) middle water out is directly discharged, therefrom the cold water area of water and strong sewage cool-heat-exchanger (6) strong sewage out enters solar heater and enters in strong sewage tank (7) being heated to 70 ℃ again, or directly enter in strong sewage tank (7) and be heated to 70 ℃ by strong sewage industrial exhaust heat well heater (9), in strong sewage tank (7), the stirring of strong sewage agitator (8) is conducive to strong sewage and is resolved into carbonic acid gas and ammonia and be gathered in by the bicarbonate of ammonia in homogeneous heating and strong sewage the top of strong sewage tank (7), strong sewage vacuum blower (11) is also pumped to the carbonic acid gas at strong sewage tank (7) top and ammonia the middle pool of just permeating industrial sewage treater (5), carbonic acid gas and ammonia also re-start chemical reaction generation bicarbonate of ammonia and are recycled in middle pool, strong sewage pump (10) pumps to the hot strong sewage that discharges carbonic acid gas and ammonia in strong sewage tank (7) in strong sewage multi-effect flashing steam cleaner (12) or strong sewage spraying type multistage flash evaporation cleaner, after strong sewage is further concentrated, flow to cooled inorganic salt solubleness decline in strong sewage settling tank and separate out inorganic salt, entering the condensing zone of water vapor condensation device (4) water vapour from strong sewage multi-effect flashing steam cleaner (12) or strong sewage spraying type multistage flash evaporation cleaner water vapour is out cooled and produces a large amount of distilled water, in the cold water area of water vapor condensation device (4), weak sewage enters after being heated again and is just permeating forward osmosis membrane core in industrial sewage treater (5), the middle water that after weak sewage is heated, viscosity reduces to be conducive to wherein passes pool in forward osmosis membrane arrival.
CN201410077622.4A 2014-02-25 2014-02-25 Forward-osmosis industrial sewage treatment equipment and technical process thereof Expired - Fee Related CN103819040B (en)

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