CN102072592A - Heat supply system for directly recovering sewage multi-section flashing steam waste heat by using multiple sections of absorption heat pumps - Google Patents
Heat supply system for directly recovering sewage multi-section flashing steam waste heat by using multiple sections of absorption heat pumps Download PDFInfo
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- CN102072592A CN102072592A CN 201110001431 CN201110001431A CN102072592A CN 102072592 A CN102072592 A CN 102072592A CN 201110001431 CN201110001431 CN 201110001431 CN 201110001431 A CN201110001431 A CN 201110001431A CN 102072592 A CN102072592 A CN 102072592A
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Abstract
The invention relates to a heat supply system for directly recovering sewage multi-section flashing steam waste heat by using multiple sections of absorption heat pumps, which is used for recovering sewage flashing steam waste heat. The system comprises 1, 2, ..., and N independent sealing chambers and the multiple sections of absorption heat pumps, wherein the multiple sections of absorption heat pumps comprise respective 1, 2, ..., and N generators, 1, 2, ..., and N condensers, 1, 2, ..., and N absorbers and 1, 2, ..., and N evaporators; water steam which is formed by flashing sewage in the 1, 2, ..., and N independent sealing chambers and has different pressure from high pressure to low pressure enters 1, 2, ..., and N evaporator tubes sequentially by 1, 2, ..., and N flashing steam and is directly connected with the 1, 2, ..., and N evaporators of the multiple sections of absorption heat pumps; and flashing steam condensate outflows the 1, 2, ..., and N evaporator tubes and reflows to respective 1, 2, ..., and N liquid phase areas of the 1, 2, ..., and N independent sealing chambers sequentially by respective 1, 2, ..., and N flashing steam condensate. The system can reduce heat loss, improve the water-supply temperature of hot water and reduce investment and running cost.
Description
Technical field
The present invention relates to a kind of recovery sewage flash-off steam waste heat heating system.Be used to reclaim sewage flash-off steam waste heat.
Background technology
People need a large amount of heat supply hot water in production technology and life, generally needing to consume primary energy produces, in production technology, there is simultaneously a large amount of afterheat of hot water again, but there is quality problem in part hot water, contain solid particle (as slag flushing cinder water etc.) in the water, when corrosivity becomes to grade situation, be called as sewage.Because there is corrosion in sewage, dirty stifled, problems such as wearing and tearing, common heat exchanger can't be realized the heat-obtaining process, for the waste heat that makes this part sewage can be recycled not slatterning in vain, have at present and adopt the mode of sewage multi-segment flash evaporation heat extraction heat-exchange system to extract sewage remaining energy as shown in Figure 1, adopt the absorption heat pump technology again, under high temperature heat source drives, heat-obtaining hot water is fed the heat release of absorption heat pump evaporimeter, heat supply hot water (the comparable heat-obtaining hot water temperature of hot water temperature promotes 30 ~ 50 ℃) in heating absorption heat pump absorber and the condenser, realization is to the recycling of sewage remaining energy, realize energy-saving benefit, this kind mode is not high to the required distance between absorption heat pump and the sewage flash evaporation heat extraction heat-exchange system, can far can be near, relatively flexibly.But need being provided with facilities such as heat-exchanging tube bundle, intake chamber, water-supplying chamber and heat-obtaining hot water circulating pump, this kind mode could reclaim the condensation heat of sewage flash distillation, this part device needs the power consumption of initial cost and water pump, owing to be the waste heat that extracts the sewage flash distillation indirectly, flash-off steam and the heat exchange of heat-obtaining hot water can cause certain temperature loss again, and the unfavorable factors such as temperature rise of heat supply hot water are produced in influence.
Summary of the invention
The objective of the invention is to overcome above-mentioned deficiency, problems such as dirty stifled, the wearing and tearing of a kind of burn into that can avoid common heat exchanger are provided, effective recycling sewage multi-segment flash evaporation steam waste heat more again, improve the hot water supply water temperature, the multistage absorption type heat pump of minimizing equipment, system's investment and operating cost directly reclaims sewage multi-segment flash evaporation steam waste heat heating system.
The object of the present invention is achieved like this: a kind of multistage absorption type heat pump directly reclaims sewage multi-segment flash evaporation steam waste heat heating system, comprise: 1,2 ... individual airtight separate chamber of N and multistage absorption type heat pump, described 1,2 ... have in N the airtight separate chamber each self-corresponding 1,2 ... N gas phase zone and 1,2 ... N liquid phase region, the gas phase zone of the 1st airtight separate chamber is provided with sewage induction pipe, the liquid phase region of N airtight separate chamber is provided with effluent outfall, gas phase zone is provided with the incoagulable gas discharge pipe, the gas phase zone of adjacent two airtight separate chamber is interconnected by the incoagulable gas connecting leg, and the sewage of the liquid phase region of preceding airtight separate chamber inserts the gas phase zone of a back airtight separate chamber by the sewage connecting leg; Described multistage absorption type heat pump include each self-corresponding 1,2 ... N generator, 1,2 ... N condenser, 1,2 ... N absorber and 1,2 ... N evaporimeter.Sewage is through 1 of low pressure, 2 ... the different pressures water vapour from high to low that the individual airtight separate chamber of N flashes off is successively by 1,2 ... N flash-off steam advances 1,2 ... N evaporator tube, directly and the multistage absorption type heat pump 1,2 ... N evaporimeter links to each other, heat release is condensed in each self-corresponding evaporimeter heat-exchanging tube bundle respectively, flash-off steam coagulate water successively by separately 1,2 ... N flash-off steam coagulates water and goes out 1,2 ... N evaporator tube is back to 1,2 ... N airtight separate chamber each self-corresponding 1,2 ... N liquid phase region, and the heat medium water backwater is successively through N, N-1 ... 2,1 absorber and the 1st, 2 ... N condenser heat absorption heats up, and described N is 〉=2 natural number.
Multistage absorption type heat pump of the present invention directly reclaims sewage multi-segment flash evaporation steam waste heat heating system, comprise: the first airtight separate chamber, the second airtight separate chamber and two sections absorption heat pumps, each self-corresponding first gas phase zone is arranged in the described first airtight separate chamber and the second airtight separate chamber, first liquid phase region and second gas phase zone, second liquid phase region, the gas phase zone of the first airtight separate chamber is provided with sewage induction pipe, the liquid phase region of the second airtight separate chamber is provided with effluent outfall, gas phase zone is provided with the incoagulable gas discharge pipe, the gas phase zone of the first airtight separate chamber and the second airtight separate chamber is interconnected by the incoagulable gas connecting leg, and the sewage of the first airtight separate chamber liquid phase region inserts the gas phase zone of the second airtight separate chamber by the sewage connecting leg; Described two sections absorption heat pumps comprise first generator, first condenser, first absorber, first evaporimeter and second generator, second condenser, second absorber and second evaporimeter, driving heat source enters first generator and the second generator heat release of two sections absorption heat pumps, the low-pressure steam of sewage flash distillation in the first airtight separate chamber of low pressure advances evaporator tube by first flash-off steam and directly links to each other with first evaporimeter of two sections absorption heat pumps, and the flash-off steam in first evaporimeter after the heat release coagulates water and coagulates water by first flash-off steam and go out first gas phase zone that evaporator tube is back to the first airtight separate chamber; The low-pressure steam of flash distillation advances evaporator tube by second flash-off steam and directly links to each other with second evaporimeter of two sections absorption heat pumps in the second airtight separate chamber of low pressure, flash-off steam in second evaporimeter after the heat release coagulates water and coagulates water by second flash-off steam and go out second liquid phase region that evaporator tube is back to the second airtight separate chamber, and the heat medium water backwater heats up by second absorber, first absorber, first condenser and the heat absorption of second condenser successively.
Multistage absorption type heat pump of the present invention directly reclaims sewage multi-segment flash evaporation steam waste heat heating system, described system comprises: the first airtight separate chamber, the second airtight separate chamber, the 3rd airtight separate chamber and three sections absorption heat pumps, the described first airtight separate chamber, each self-corresponding first gas phase zone is arranged in the second airtight separate chamber and the 3rd airtight separate chamber, first liquid phase region and second gas phase zone, second liquid phase region and the 3rd gas phase zone, the 3rd liquid phase region, the gas phase zone of the first airtight separate chamber is provided with sewage induction pipe, the liquid phase region of the 3rd airtight separate chamber is provided with effluent outfall, gas phase zone is provided with the incoagulable gas discharge pipe, the gas phase zone of the first airtight separate chamber and the second airtight separate chamber is interconnected by the incoagulable gas connecting leg, the gas phase zone of the second airtight separate chamber and the 3rd airtight separate chamber also is interconnected by the incoagulable gas connecting leg, the sewage of the first airtight separate chamber liquid phase region inserts the gas phase zone of the second airtight separate chamber by the sewage connecting leg, and the sewage of the second airtight separate chamber liquid phase region inserts the gas phase zone of the 3rd airtight separate chamber by the sewage connecting leg; Described three sections absorption heat pumps comprise first generator, first condenser, first absorber, first evaporimeter and second generator, second condenser, second absorber, second evaporimeter and the 3rd generator, the 3rd absorber, the 3rd condenser, the 3rd evaporimeter, driving heat source enters first generator of three sections absorption heat pumps, second generator and the 3rd generator heat release, the low-pressure steam of sewage flash distillation in the first airtight separate chamber of low pressure advances evaporator tube by first flash-off steam and directly links to each other with first evaporimeter of three sections absorption heat pumps, and the flash-off steam in first evaporimeter after the heat release coagulates water and coagulates water by first flash-off steam and go out first gas phase zone that evaporator tube is back to the first airtight separate chamber; The low-pressure steam of flash distillation advances evaporator tube by second flash-off steam and directly links to each other with second evaporimeter of three sections absorption heat pumps in the second airtight separate chamber of low pressure, flash-off steam in second evaporimeter after the heat release coagulates water and coagulates water by second flash-off steam and go out second liquid phase region that evaporator tube is back to the second airtight separate chamber, the low-pressure steam of flash distillation advances evaporator tube by the 3rd flash-off steam and directly links to each other with the 3rd evaporimeter of three sections absorption heat pumps in the 3rd airtight separate chamber of low pressure, flash-off steam in three evaporimeters after the heat release coagulates water and coagulates water by the 3rd flash-off steam and go out the 3rd liquid phase region that evaporator tube is back to the 3rd airtight separate chamber, and the heat medium water backwater is successively by the 3rd absorber, second absorber, first absorber, first condenser, second condenser and the heat absorption of the 3rd condenser heat up.
The invention has the beneficial effects as follows:
The present invention adopts multisection type absorption heat pump technology to reclaim sewage multi-segment flash evaporation steam condensation heat, utilize high temperature heat source (60% left and right sides heat) to drive, the water vapour of the different pressures from high to low that flashes off in the airtight separate chamber of multistage directly enters multistage absorption type evaporator with heat pump heat exchange in-tube condensation by pipeline successively, rational and effective is extracted sewage multi-segment flash evaporation steam condensation heat (40% left and right sides heat), and the central heating hot water (100% heat) of higher temperature is provided for production technology and life.Not only saved the middle heat transmission equipment that is used for the heat-obtaining heat exchange, the heat exchange temperature loss has also been eliminated in investment of minimizing system and water pump power consumption, makes the more reasonable utilization of sewage flash-off steam waste heat, improve the heat supply hot water temperature, realize economic benefit and social benefits such as energy-conservation, reduction of discharging.Because sewage flash-off steam pressure is low, is not suitable for remote conveying, above scheme is suitable for the multistage absorption type heat pump and is placed on the occasion nearer apart from airtight chamber.
Description of drawings
Fig. 1 reclaimed two sections flash evaporation heat extraction heat exchange heating system schematic diagrames for adopt absorption heat pump in the past.
Fig. 2 directly reclaims two sections sewage flash distillation waste heat heating system schematic diagrames for two sections absorption heat pumps of the present invention.
Fig. 3 directly reclaims three sections sewage flash distillation waste heat heating system schematic diagrames for three sections absorption heat pumps of the present invention.
Among the figure:
Sewage induction pipe 1, the first airtight separate chamber 2-1, the second airtight separate chamber 2-2, the 3rd airtight separate chamber 2-3, effluent outfall 3, sewage pump 4, the first gas phase zone 5-1, the second gas phase zone 5-2, the 3rd gas phase zone 5-3, the first heat-obtaining hot water heat-exchanging tube bundle 6-1, the second heat-obtaining hot water heat-exchanging tube bundle 6-2, incoagulable gas discharge pipe 7, heat-obtaining hot water advances evaporator tube 8, heat-obtaining hot water goes out evaporator tube 9, heat-obtaining heat-exchanger pump 10, absorption type heat pump assembly 11, evaporimeter 12, absorber 13, heat medium water return pipe 14, heat medium water outlet pipe 15, condenser 16, generator 17, drive steam pipe 18, steam condensation water discharge pipe 19, first flash-off steam advances evaporator tube 8-1, first flash-off steam coagulates water and goes out evaporator tube 9-1, second flash-off steam advances evaporator tube 8-2, second flash-off steam coagulates water and goes out evaporator tube 9-2, the 3rd flash-off steam advances evaporator tube 8-3, the 3rd flash-off steam coagulates water and goes out evaporator tube 9-3, the first evaporimeter 12-1, the second evaporimeter 12-2, the 3rd evaporimeter 12-3, the first absorber 13-1, the second absorber 13-2, the 3rd absorber 13-3, the first condenser 16-1, the second condenser 16-2, the 3rd condenser 16-3, the first generator 17-1, the second generator 17-2, the 3rd generator 17-3, incoagulable gas connecting leg 20, dividing plate 21, sewage connecting leg 22, the first liquid phase region 23-1, the second liquid phase region 23-2, the 3rd liquid phase region 23-3, two sections absorption heat pumps 24, three sections absorption heat pumps 25.
The specific embodiment
Be illustrated in figure 2 as and in two sections flash systems of sewage, adopt two sections absorption heat pumps directly to reclaim two sections flash-off steam waste heats of sewage heating system schematic diagram.By sewage induction pipe 1, the first airtight separate chamber 2-1, the second airtight separate chamber 2-2, effluent outfall 3, sewage pump 4, the first gas phase zone 5-1, the second gas phase zone 5-2, incoagulable gas discharge pipe 7, first flash-off steam advances evaporator tube 8-1, first flash-off steam coagulates water and goes out evaporator tube 9-1, second flash-off steam advances evaporator tube 8-2, second flash-off steam coagulates water and goes out evaporator tube 9-2, the first evaporimeter 12-1, the second evaporimeter 12-2, the first absorber 13-1, the second absorber 13-2, heat medium water return pipe 14, heat medium water outlet pipe 15, the first condenser 16-1, the second condenser 16-2, the first generator 17-1, the second generator 17-2, drive steam pipe 18, steam condensation water discharge pipe 19, incoagulable gas connecting leg 20, dividing plate 21, sewage connecting leg 22, the first liquid phase region 23-1, the second liquid phase region 23-2, two sections absorption heat pumps of formations such as two sections absorption heat pumps 24 and control system (not shown) directly reclaim two sections flash-off steam waste heats of sewage heating system.
Separate with dividing plate 21 between the described first airtight separate chamber 2-1 and the second airtight separate chamber 2-2, each the self-corresponding first gas phase zone 5-1, first liquid phase region 23-1 and the second gas phase zone 5-2, the second liquid phase region 23-2 are arranged in the first airtight separate chamber 2-1 and the second airtight separate chamber 2-2, and described two sections absorption heat pumps 24 are made up of the first generator 17-1, the first condenser 16-1, the first absorber 13-1, the first evaporimeter 12-1 and the second generator 17-2, the second condenser 16-2, the second absorber 13-2 and the second evaporimeter 12-2.Be characterized in that it can be single or many that low-pressure steam with sewage flash distillation in the first airtight separate chamber 2-1 of low pressure advances evaporator tube 8-1(by first flash-off steam) directly link to each other with the first evaporimeter 12-1 of two sections absorption heat pumps 24, the flash-off steam in the first evaporimeter 12-1 after the heat release coagulates water and coagulates water by first flash-off steam and go out the first gas phase zone 5-1 that evaporator tube 9-1 is back to the first airtight separate chamber 2-1; In the second airtight separate chamber 2-2 of low pressure the low-pressure steam of flash distillation to advance evaporator tube 8-2(by second flash-off steam can be single or many) directly link to each other with the second evaporimeter 12-2 of two sections absorption heat pumps 24, the flash-off steam in the second evaporimeter 12-2 after the heat release coagulates water and coagulates water by second flash-off steam and go out the second liquid phase region 23-2 that evaporator tube 9-2 is back to the second airtight separate chamber 2-2.When the heat supply operating mode is moved, utilize steam (to be generally 0.3～1.0MPa) the first generator 17-2 and the second generator 17-2 heat release that enters two sections absorption heat pumps 24 as driving heat source, sewage height of going out of shwoot respectively in the first airtight separate chamber 2-1 of low pressure and the second airtight separate chamber 2-2, low pressure water vapor advances evaporator tube 8-1 and second flash-off steam by first flash-off steam successively and advances in the heat exchanger tube that evaporator tube 8-2 directly enters the first evaporimeter 12-1 of two sections absorption heat pumps 24 and the second evaporimeter 12-2 heat release and condense, the heat medium water backwater is successively by the second absorber 13-2, the first absorber 13-1, the first condenser 16-1 and second condenser 16-2 heat absorption progressively heat up, realization is recycled sewage multi-segment flash evaporation steam waste heat, and the central heating hot water of higher temperature is provided for production technology and life.Flash-off steam after the heat release coagulates water and coagulates water by each self-corresponding flash-off steam and go out the sewage that evaporator tube is back to after the liquid phase region of each self-corresponding airtight separate chamber and the flash distillation cooling and transferred out by sewage pump 4 by effluent outfall 3.
Be illustrated in figure 3 as and in three sections flash systems of sewage, adopt three sections absorption heat pumps directly to reclaim three sections flash-off steam waste heats of sewage heating system schematic diagram.It directly reclaims on the basis of two sections flash-off steam waste heats of sewage heating system at two sections absorption heat pumps, increased by the 3rd airtight separate chamber 2-3 and, constituted three sections absorption heat pumps and directly reclaimed three sections flash-off steam waste heats of sewage heating system by the 3rd section absorption heat pump 25 that the 3rd generator 17-3, the 3rd condenser 16-3, the 3rd absorber 13-3, the 3rd evaporimeter 12-3 form.Be characterized in that it can be single or many that low-pressure steam with sewage flash distillation in the first airtight separate chamber 2-1 of low pressure advances evaporator tube 8-1(by first flash-off steam) directly link to each other with the first evaporimeter 12-1 of three sections absorption heat pumps 25, the flash-off steam in the first evaporimeter 12-1 after the heat release coagulates water and coagulates water by first flash-off steam and go out the first gas phase zone 5-1 that evaporator tube 9-1 is back to the first airtight separate chamber 2-1; In the second airtight separate chamber 2-2 of low pressure the low-pressure steam of flash distillation to advance evaporator tube 8-2(by second flash-off steam can be single or many) directly link to each other with the second evaporimeter 12-2 of three sections absorption heat pumps 25, the flash-off steam in the second evaporimeter 12-2 after the heat release coagulates water and coagulates water by second flash-off steam and go out the second liquid phase region 23-2 that evaporator tube 9-2 is back to the second airtight separate chamber 2-2; In the 3rd airtight separate chamber 2-3 of low pressure the low-pressure steam of flash distillation to advance evaporator tube 8-3(by the 3rd flash-off steam can be single or many) directly link to each other with the 3rd evaporimeter 12-3 of three sections absorption heat pumps 25, the flash-off steam in the 3rd evaporimeter 12-3 after the heat release coagulates water and coagulates water by the 3rd flash-off steam and go out the 3rd liquid phase region 23-3 that evaporator tube 9-3 is back to the 3rd airtight separate chamber 2-3.When the heat supply operating mode is moved, utilize steam (to be generally 0.3～1.0MPa) the first generator 17-2 and the second generator 17-2 and the second generator 17-3 heat release that enters three sections absorption heat pumps 25 as driving heat source, sewage in the first airtight separate chamber 2-1 of low pressure and the second airtight separate chamber 2-2 and the 3rd airtight separate chamber 2-3 respectively the steam of setting-out from high to low that goes out of shwoot advance the evaporator tube 8-1 and second flash-off steam successively by first flash-off steam and advance evaporator tube 8-2 and the 3rd flash-off steam and advance in the heat exchanger tube that evaporator tube 8-3 directly enters the first evaporimeter 12-1 of three sections absorption heat pumps 25 and the second evaporimeter 12-2 and the 3rd evaporimeter 12-3 heat release and condense, the heat medium water backwater is successively by the 3rd absorber 13-3, the second absorber 13-2, the first absorber 13-1, the first condenser 16-1 and the second condenser 16-2 and second condenser 16-3 heat absorption progressively heat up, realization is recycled sewage multi-segment flash evaporation steam waste heat, and the central heating hot water of higher temperature is provided for production technology and life.Flash-off steam after the heat release coagulates water and coagulates water by each self-corresponding flash-off steam and go out the sewage that evaporator tube is back to after the liquid phase region of each self-corresponding airtight separate chamber and the flash distillation cooling and transferred out by sewage pump 4 by effluent outfall 3.
Above multistage absorption type heat pump reclaims directly that the multistage absorption type heat pump can be single cover or many covers in the scheme of sewage multi-segment flash evaporation steam waste heat heating system.Can be single-effect type multistage absorption type heat pump, dual effect type multistage absorption type heat pump, two-stage type multistage absorption type heat pump.
Claims (5)
1. a multistage absorption type heat pump directly reclaims sewage multi-segment flash evaporation steam waste heat heating system, it is characterized in that described system comprises: 1,2 ... individual airtight separate chamber of N and multistage absorption type heat pump, described 1,2 ... have in N the airtight separate chamber each self-corresponding 1,2 ... N gas phase zone and 1,2 ... N liquid phase region, the gas phase zone of the 1st airtight separate chamber is provided with sewage induction pipe (1), the liquid phase region of N airtight separate chamber is provided with effluent outfall (3), gas phase zone is provided with incoagulable gas discharge pipe (7), the gas phase zone of adjacent two airtight separate chamber is interconnected by incoagulable gas connecting leg (20), and the sewage of the liquid phase region of preceding airtight separate chamber inserts the gas phase zone of a back airtight separate chamber by sewage connecting leg (22); Described multistage absorption type heat pump include each self-corresponding 1,2 ... N generator, 1,2 ... N condenser, 1,2 ... N absorber and 1,2 ... N evaporimeter; Sewage is through 1 of low pressure, 2 ... the different pressures water vapour from high to low that the individual airtight separate chamber of N flashes off is successively by 1,2 ... N flash-off steam advances 1,2 ... N evaporator tube, directly and the multistage absorption type heat pump 1,2 ... N evaporimeter links to each other, heat release is condensed in each self-corresponding evaporimeter heat-exchanging tube bundle respectively, flash-off steam coagulate water successively by separately 1,2 ... N flash-off steam coagulates water and goes out 1,2 ... N evaporator tube is back to 1,2 ... N airtight separate chamber each self-corresponding 1,2 ... N liquid phase region, and the heat medium water backwater is successively through N, N-1 ... 2,1 absorber and the 1st, 2 ... N condenser heat absorption heats up, and described N is 〉=2 natural number.
2. a kind of multistage absorption type heat pump according to claim 1 directly reclaims sewage multi-segment flash evaporation steam waste heat heating system, it is characterized in that described system comprises: the first airtight separate chamber (2-1), the second airtight separate chamber (2-2) and two sections absorption heat pumps (24), there is each self-corresponding first gas phase zone (5-1) the described first airtight separate chamber (2-1) and second airtight separate chamber (2-2) lining, first liquid phase region (23-1) and second gas phase zone (5-2), second liquid phase region (23-2), the gas phase zone of the first airtight separate chamber (2-1) is provided with sewage induction pipe (1), the liquid phase region of the second airtight separate chamber (2-2) is provided with effluent outfall (3), gas phase zone is provided with incoagulable gas discharge pipe (7), the gas phase zone of the first airtight separate chamber (2-1) and the second airtight separate chamber (2-2) is interconnected by incoagulable gas connecting leg (20), and the sewage of first airtight separate chamber (2-1) liquid phase region inserts the gas phase zone of the second airtight separate chamber (2-2) by sewage connecting leg (22); Described two sections absorption heat pumps (24) comprise first generator (17-1), first condenser (16-1), first absorber (13-1), first evaporimeter (12-1) and second generator (17-2), second condenser (16-2), second absorber (13-2) and second evaporimeter (12-2), driving heat source enters first generator (17-2) and second generator (17-2) heat release of two sections absorption heat pumps (24), the low-pressure steam of sewage flash distillation in the first airtight separate chamber (2-1) of low pressure advances evaporator tube (8-1) by first flash-off steam and directly links to each other with first evaporimeter (12-1) of two sections absorption heat pumps (24), and the flash-off steam in first evaporimeter (12-1) after the heat release coagulates water and coagulates water by first flash-off steam and go out first gas phase zone (5-1) that evaporator tube (9-1) is back to the first airtight separate chamber (2-1); The low-pressure steam of flash distillation advances evaporator tube (8-2) by second flash-off steam and directly links to each other with second evaporimeter (12-2) of two sections absorption heat pumps (24) in the second airtight separate chamber (2-2) of low pressure, flash-off steam in second evaporimeter (12-2) after the heat release coagulates water and coagulates water by second flash-off steam and go out second liquid phase region (23-2) that evaporator tube (9-2) is back to the second airtight separate chamber (2-2), and the heat medium water backwater is successively by second absorber (13-2), first absorber (13-1), first condenser (16-1) and second condenser (16-2) heat absorption heat up.
3. a kind of multistage absorption type heat pump according to claim 1 directly reclaims sewage multi-segment flash evaporation steam waste heat heating system, it is characterized in that described system comprises: the first airtight separate chamber (2-1), the second airtight separate chamber (2-2), the 3rd airtight separate chamber (2-3) and three sections absorption heat pumps (25), the described first airtight separate chamber (2-1), there is each self-corresponding first gas phase zone (5-1) the second airtight separate chamber (2-2) and the 3rd airtight separate chamber (2-3) lining, first liquid phase region (23-1) and second gas phase zone (5-2), second liquid phase region (23-2) and the 3rd gas phase zone (5-3), the 3rd liquid phase region (23-3), the gas phase zone of the first airtight separate chamber (2-1) is provided with sewage induction pipe (1), the liquid phase region of the 3rd airtight separate chamber (2-3) is provided with effluent outfall (3), gas phase zone is provided with incoagulable gas discharge pipe (7), the gas phase zone of the first airtight separate chamber (2-1) and the second airtight separate chamber (2-2) is interconnected by incoagulable gas connecting leg (20), the gas phase zone of the second airtight separate chamber (2-2) and the 3rd airtight separate chamber (2-3) also is interconnected by incoagulable gas connecting leg (20), the sewage of first airtight separate chamber (2-1) liquid phase region is by the gas phase zone of sewage connecting leg (22) the access second airtight separate chamber (2-2), and the sewage of second airtight separate chamber (2-2) liquid phase region inserts the gas phase zone of the 3rd airtight separate chamber (2-3) by sewage connecting leg (22); Described three sections absorption heat pumps (25) comprise first generator (17-1), first condenser (16-1), first absorber (13-1), first evaporimeter (12-1) and second generator (17-2), second condenser (16-2), second absorber (13-2), second evaporimeter (12-2) and the 3rd generator (17-3), the 3rd absorber (13-3), the 3rd condenser (16-3), the 3rd evaporimeter (12-3), driving heat source enters first generator (17-2) of three sections absorption heat pumps (25), second generator (17-2) and the 3rd generator (17-3) heat release, the low-pressure steam of sewage flash distillation in the first airtight separate chamber (2-1) of low pressure advances evaporator tube (8-1) by first flash-off steam and directly links to each other with first evaporimeter (12-1) of three sections absorption heat pumps (25), and the flash-off steam in first evaporimeter (12-1) after the heat release coagulates water and coagulates water by first flash-off steam and go out first gas phase zone (5-1) that evaporator tube (9-1) is back to the first airtight separate chamber (2-1); The low-pressure steam of flash distillation advances evaporator tube (8-2) by second flash-off steam and directly links to each other with second evaporimeter (12-2) of three sections absorption heat pumps (25) in the second airtight separate chamber (2-2) of low pressure, flash-off steam in second evaporimeter (12-2) after the heat release coagulates water and coagulates water by second flash-off steam and go out second liquid phase region (23-2) that evaporator tube (9-2) is back to the second airtight separate chamber (2-2), the low-pressure steam of flash distillation advances evaporator tube (8-3) by the 3rd flash-off steam and directly links to each other with the 3rd evaporimeter (12-3) of three sections absorption heat pumps (25) in the 3rd airtight separate chamber (2-3) of low pressure, flash-off steam in three evaporimeters (12-3) after the heat release coagulates water and coagulates water by the 3rd flash-off steam and go out the 3rd liquid phase region (23-3) that evaporator tube (9-3) is back to the 3rd airtight separate chamber (2-3), and the heat medium water backwater is successively by the 3rd absorber (13-3), second absorber (13-2), first absorber (13-1), first condenser (16-1), second condenser (16-2) and the 3rd condenser (16-3) heat absorption heat up.
4. a kind of multistage absorption type heat pump according to claim 1 directly reclaims sewage multi-segment flash evaporation steam waste heat heating system, it is characterized in that described multistage absorption type heat pump (24,25) is single cover or many covers.
5. a kind of multistage absorption type heat pump according to claim 1 directly reclaims sewage multi-segment flash evaporation steam waste heat heating system, it is characterized in that described multistage absorption type heat pump (24,25) is single-effect type multistage absorption type heat pump, dual effect type multistage absorption type heat pump, two-stage type multistage absorption type heat pump.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100014316A CN102072592B (en) | 2011-01-06 | 2011-01-06 | Heat supply system for directly recovering sewage multi-section flashing steam waste heat by using multiple sections of absorption heat pumps |
Applications Claiming Priority (1)
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| CN2011100014316A CN102072592B (en) | 2011-01-06 | 2011-01-06 | Heat supply system for directly recovering sewage multi-section flashing steam waste heat by using multiple sections of absorption heat pumps |
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| CN102062385A (en) * | 2011-01-06 | 2011-05-18 | 双良节能系统股份有限公司 | Vacuum flash vaporizer using residual heat of foul water |
| CN103185408A (en) * | 2012-11-21 | 2013-07-03 | 哈尔滨工大金涛科技股份有限公司 | Method for recycling waste water heat energy and multistage direct heating machine |
| CN103398627A (en) * | 2013-08-19 | 2013-11-20 | 大连交通大学 | Multi-source fluid waste heat recovery and comprehensive utilization system |
| CN104769371A (en) * | 2012-03-09 | 2015-07-08 | 太浩科技有限公司 | Apparatus and method for vapor driven absorption heat pumps and absorption heat transformer with applications |
| CN104864623A (en) * | 2014-01-27 | 2015-08-26 | 李华玉 | Thermodynamic combined supply system |
| CN106197112A (en) * | 2016-07-22 | 2016-12-07 | 大连交通大学 | A kind of multi-source fluid waste heat recycling system |
| CN108507219A (en) * | 2017-02-28 | 2018-09-07 | 远大空调有限公司 | A kind of compound two-stage type lithium bromide absorption type heat pump and working method |
| CN111238035A (en) * | 2020-02-17 | 2020-06-05 | 王柏公 | Absorption heat pump system driven by waste heat of oil refinery wastewater and cooling water |
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| CN102062385B (en) * | 2011-01-06 | 2012-11-21 | 双良节能系统股份有限公司 | Vacuum flash vaporizer using residual heat of foul water |
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| CN104769371B (en) * | 2012-03-09 | 2016-11-23 | 太浩科技有限公司 | For steam-powered absorption heat pump and the apparatus and method of absorption heat transformer and application thereof |
| CN104769371A (en) * | 2012-03-09 | 2015-07-08 | 太浩科技有限公司 | Apparatus and method for vapor driven absorption heat pumps and absorption heat transformer with applications |
| CN103185408A (en) * | 2012-11-21 | 2013-07-03 | 哈尔滨工大金涛科技股份有限公司 | Method for recycling waste water heat energy and multistage direct heating machine |
| CN103185408B (en) * | 2012-11-21 | 2015-04-15 | 哈尔滨工大金涛科技股份有限公司 | Method for recycling waste water heat energy and multistage direct heating machine |
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| CN104864623A (en) * | 2014-01-27 | 2015-08-26 | 李华玉 | Thermodynamic combined supply system |
| CN104864623B (en) * | 2014-01-27 | 2019-12-20 | 李华玉 | Combined heat and power system |
| CN106197112A (en) * | 2016-07-22 | 2016-12-07 | 大连交通大学 | A kind of multi-source fluid waste heat recycling system |
| CN106197112B (en) * | 2016-07-22 | 2018-10-19 | 大连交通大学 | A kind of multi-source fluid waste heat recycling system |
| CN108507219A (en) * | 2017-02-28 | 2018-09-07 | 远大空调有限公司 | A kind of compound two-stage type lithium bromide absorption type heat pump and working method |
| CN111238035A (en) * | 2020-02-17 | 2020-06-05 | 王柏公 | Absorption heat pump system driven by waste heat of oil refinery wastewater and cooling water |
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