CN110057126A - A kind of coupling heat pump heat exchanger - Google Patents
A kind of coupling heat pump heat exchanger Download PDFInfo
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- CN110057126A CN110057126A CN201910455687.0A CN201910455687A CN110057126A CN 110057126 A CN110057126 A CN 110057126A CN 201910455687 A CN201910455687 A CN 201910455687A CN 110057126 A CN110057126 A CN 110057126A
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- 230000008878 coupling Effects 0.000 title claims description 19
- 238000010168 coupling process Methods 0.000 title claims description 19
- 238000005859 coupling reaction Methods 0.000 title claims description 19
- 238000007906 compression Methods 0.000 claims abstract description 54
- 238000000034 method Methods 0.000 claims abstract description 50
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 40
- 239000012530 fluid Substances 0.000 claims abstract description 8
- 230000006835 compression Effects 0.000 claims description 50
- 239000007788 liquid Substances 0.000 claims description 48
- 230000008929 regeneration Effects 0.000 claims description 27
- 238000011069 regeneration method Methods 0.000 claims description 27
- 238000009833 condensation Methods 0.000 claims description 19
- 238000001704 evaporation Methods 0.000 claims description 18
- 230000005494 condensation Effects 0.000 claims description 17
- 230000004087 circulation Effects 0.000 claims description 13
- 230000008020 evaporation Effects 0.000 claims description 12
- 238000010521 absorption reaction Methods 0.000 claims description 9
- 239000000126 substance Substances 0.000 claims description 9
- 239000000203 mixture Substances 0.000 claims description 6
- 239000003507 refrigerant Substances 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 5
- 125000004122 cyclic group Chemical group 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims description 2
- 239000000243 solution Substances 0.000 claims 11
- 238000010790 dilution Methods 0.000 claims 1
- 239000012895 dilution Substances 0.000 claims 1
- MHABMANUFPZXEB-UHFFFAOYSA-N O-demethyl-aloesaponarin I Natural products O=C1C2=CC=CC(O)=C2C(=O)C2=C1C=C(O)C(C(O)=O)=C2C MHABMANUFPZXEB-UHFFFAOYSA-N 0.000 description 16
- 239000007921 spray Substances 0.000 description 7
- 238000009835 boiling Methods 0.000 description 4
- 238000005507 spraying Methods 0.000 description 3
- 230000005484 gravity Effects 0.000 description 2
- 239000004615 ingredient Substances 0.000 description 2
- 230000000704 physical effect Effects 0.000 description 2
- 230000001172 regenerating effect Effects 0.000 description 2
- 239000006096 absorbing agent Substances 0.000 description 1
- HRYZWHHZPQKTII-UHFFFAOYSA-N chloroethane Chemical compound CCCl HRYZWHHZPQKTII-UHFFFAOYSA-N 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H4/00—Fluid heaters characterised by the use of heat pumps
- F24H4/02—Water heaters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B29/00—Combined heating and refrigeration systems, e.g. operating alternately or simultaneously
- F25B29/003—Combined heating and refrigeration systems, e.g. operating alternately or simultaneously of the compression type system
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B49/00—Arrangement or mounting of control or safety devices
- F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B7/00—Compression machines, plants or systems, with cascade operation, i.e. with two or more circuits, the heat from the condenser of one circuit being absorbed by the evaporator of the next circuit
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D15/00—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies
- F28D15/02—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Engine Equipment That Uses Special Cycles (AREA)
Abstract
The present invention proposes that a kind of efficient heat for extracting cold water is used for the high-performance heat exchanger of heat hot water, and two stages of compression process, dilution-regenerative process and heat exchange of heat pipe are coupled and realize the heat transfer process.The high-performance heat exchanger can select one or more kinds of at being grouped as cycle fluid according to the parameter request of heat exchange.Meanwhile two-stage compressor can use steam turbine or motor driven, compared to for existing heat exchange mode, it can be achieved that under the limiting condition of " hot side and the cold side temperature difference are big " and " hot side outlet temperature is high " efficient operation, with significant performance advantage.
Description
Technical field
The invention belongs to technical field of energy utilization, carry out the heat exchanger that heat exchanges with hot water more particularly to cold water.
Background technique
It is widely present a large amount of heat exchange process in field of energy utilization, the transmittance process of heat can be summarized as from height
Warm fluid is transmitted to cryogen or is transmitted from cryogen to high temperature fluid.According to Newton's second law, heat can be certainly
The slave high temp objects of hair are transmitted to cryogenic object, can be realized using only ordinary heat exchanger；If necessary to by heat from cryogenic object
It is transmitted to high temp objects then to need to consume certain cost, generally requires to consume a certain amount of high-grade energy, such as electric power, high temperature
Steam or hot water of degree etc. are needed using heat pump, induction apparatus etc..In the prior art, using heat pump techniques due to its compared with
High efficiency and reliability has obtained the approval and application in market.It is divided into absorption heat pump or compression by principle in heat pump techniques
Formula heat pump mode, wherein absorption heat pump is divided into first-class absorption type heat pump and second-kind absorption-type heat pump again, and the first kind absorbs
Formula heat pump needs to consume high-grade energy and the heat of cryogenic object is largely transferred to high temp objects, also referred to as increasing heating type heat pump,
And second class absorption heat pump does not need consumption high-grade energy, and the cold source than cryogenic object lower temperature is needed, extract cryogenic object
A small amount of heat high temp objects are continued to heat up, also referred to as warming heat pump；Compression heat pump needs to consume mechanical work, by inverse
Carnot cycle realizes that heat is transmitted to high temp objects from cryogenic object.Absorption heat pump is by thermodynamic cycle and the limit of working medium physical property
High temp objects can only be carried out finite temperature promotion by system, and compression heat pump is limited by thermodynamic cycle and working medium physical property, to height
Cycle efficieny sharply declines when warm object carries out significantly temperature rise, needs largely to be done work.Therefore absorption heat pump and compression
Formula heat pump can only operate in the more superior working range of respective performance, and then limit heat pump in cryogenic object to high temp objects
The application of diabatic process, i.e., it is existing under " high temp objects and the cryogenic object temperature difference are big " and the operating condition of " high temp objects temperature rise is big "
Heat pump techniques be unable to satisfy demand.
In order to solve above-mentioned application problem, which proposes a kind of using dilution-regenerative process, two stages of compression process
New and effective transmitting heat exchanger of the heat from cryogenic object to high temp objects is realized with heat exchange of heat pipe.
Summary of the invention
In order to meet the heat exchange demand of " high temp objects and the cryogenic object temperature difference are big " and " high temp objects temperature rise is big ", the invention
Dilution-regenerative process, vapour compression machine and heat exchange of heat pipe are organically combined and realize heat from cryogenic object to high temp objects
Efficiently transmitting.The heat exchanger includes regeneration condenser 1, condenser/evaporator 2, diluter 3, evaporator 4, vapour compression machine 5, steam
Compressor 6, heat exchange of heat pipe 11, throttle valve 7, throttle valve 8, circulating pump 9, circulating pump 10 and connecting line are constituted.It is followed inside it
Ring working medium includes working medium A, working medium B and working medium C, wherein working medium A and working medium B composition working medium pair, and working medium A is solid or liquid work
Matter, working medium B are liquid working substance, and working medium A is dissolved in working medium B and forms solution.Working medium C is liquid working substance, be can be selected and working medium B phase
Same or different substance.
The principle and the method for operation of each component units are as follows:
It regenerates condenser 1 and realizes that boiling generates working medium B steam after the heat absorption of horizontal heat transfer pipe external solution, weak solution is through spraying
Mouth is sprayed at the outer surface of horizontal heat transfer pipe, by constantly boiling becomes concentrated solution in the top-down flow process of gravity
After leave, regenerative space 1 (a) of the process outside pipe is completed.Liquid is become by steam state in horizontal heat transfer pipe internal working medium C simultaneously
Exothermic process, the working medium C of steam state enters space in pipe from the left side of horizontal heat transfer pipe, in flow process from left to right not
Disconnected condensation is left after becoming liquid, and condensation space 1 (b) of the process in pipe is completed.
The realization of condenser/evaporator 2 working medium C outside horizontal heat transfer pipe becomes the evaporation process of steam state, the work of liquid from liquid
Matter C outside horizontal heat transfer pipe, leaves through nozzles spray after steam state is heated into top-down flow process, the mistake
Evaporating space 2 (a) outside Cheng Guan is realized.Realize that working medium B steam is condensed into the process of liquid inside horizontal heat transfer pipe simultaneously,
Working medium B steam manages interior space by entering on the left of horizontal heat transfer pipe, leaves after being constantly condensed into liquid in flow process from left to right,
Condensation space 2 (b) of the process in pipe is realized.
Diluter 3 realizes that the concentrated solution of working medium A and working medium B composition absorbs the process that working medium B steam becomes weak solution, dense molten
Liquid outside horizontal heat transfer pipe, heats heat using the condensation heat of working medium B steam during flowing from above to below through nozzles spray
Water, concentrated solution are left after becoming weak solution.
Evaporator 4 realizes that liquid refrigerant B becomes the evaporation process of steam state, and liquid refrigerant B is through nozzles spray in horizontal heat transfer
Outside pipe, is heated and evaporate by cold water during flowing from above to below, while pipe inner cold water is cooled down, after working medium B becomes steam state
It leaves.
Vapour compression machine 5, which is realized, carries out the mesh that compression promotes its temperature, pressure to the working medium C steam from condenser/evaporator 2
's.
Vapour compression machine 6, which is realized, carries out the purpose that compression promotes its temperature, pressure to the working medium B steam for carrying out flash-pot 4.
Throttle valve 7 and throttle valve 8 realize the purpose of working medium C and working medium B pressure and temperature reducing to liquid respectively.
Circulating pump 9 is realized is recycled back into condenser/evaporator 2 in the unevaporated liquid refrigerant C in 2 bottom of condenser/evaporator again
The nozzle at top continues the process of spraying and sprinkling evaporation.
The concentrated solution pressurization that the realization of circulating pump 10 will leave regeneration condenser 1 is cooled down laggard after sending to heat exchange of heat pipe 11
Enter the purpose of diluter 3.
Heat exchange of heat pipe 11 realizes the heat exchange process of concentrated solution and weak solution, realizes that weak solution is entering regeneration condensation
The purpose being preheated before device 1, heat exchange of heat pipe 11 are built in diluter 3, even if should when heat exchange of heat pipe 11 leaks
Heat exchanger can also operate normally, while avoid influence of the environment temperature to pre-heat effect.
Hot water inside hot water line 12 through being warmed, and cold water inside cold water pipeline 13 through being cooled down.
The connection type of component units inside coupling heat pump heat exchanger are as follows:
Vapour compression machine 5 is connected with regeneration condenser 1 and condenser/evaporator 2.
Vapour compression machine 6 is connected with diluter 3 and evaporator 4.
Regenerate condenser 1 and vapour compression machine 5, heat exchange of heat pipe 11,10 phase of condenser/evaporator 2, throttle valve 7 and circulating pump
Even.
Condenser/evaporator 2 is connected with vapour compression machine 5, regeneration condenser 1, throttle valve 8 and circulating pump 9.
Diluter 3 is connected with heat exchange of heat pipe 11, vapour compression machine 6 and hot water line.
Evaporator 4 is connected with throttle valve 8, vapour compression machine 6 and cold water pipeline.
Heat exchange of heat pipe 11 is connected with diluter 3, regeneration condenser 1 and circulating pump 10.
The inside cyclic process of the heat exchanger of coupling heat pump includes: the evaporative condenser circulation of working medium B and the evaporation of working medium C
Condensation cycle.
The evaporative condenser circulation theory of working medium B: the solution of working medium A and working medium B composition is heated regeneration in regeneration condenser 1
Generate steam state working medium B, steam state working medium B enter after condenser/evaporator 2 be cooled become liquid after leave, liquid refrigerant B is through celebrating a festival
Entered evaporator 4 after pressure and temperature reducing after stream valve 8 and steam is become by cold water heating, working medium B steam is risen by vapour compression machine 6
It is condensed after pressure in diluter 3, the condensed weak solution of working medium B generates again after heat exchange of heat pipe 11 enters regeneration condenser 1
Steam state working medium B, so on circulate.
The evaporative condenser circulation theory of working medium C:
The working medium C of liquid is heated into steam state in condenser/evaporator 2, and the working medium C of steam state is after vapour compression machine 5
Pressure is elevated, and steam state working medium C cooled release heat in regeneration condenser 1 becomes liquid, and the working medium C of liquid is by throttling
Valve 7 is heated into steam state after being entered condenser/evaporator 2 after pressure and temperature reducing, so on circulate.
As previously mentioned, vapour compression machine can perhaps motor driven passes through consumption external steam or electricity using steam turbine
Power completes the compression process of internal cycle fluid.
For working medium A and working medium B, the ingredient needs of working medium A have good dissolubility in working medium B, to complete work
The evaporation and condensation process of matter B, wherein working medium A can be by a kind of, two kinds or more of at being grouped as.It, can for working medium C
To be made of a kind of, two kinds or more of ingredient.
The invention heat exchanger uses two-stage vapour compression machine, can be obviously improved the increasing extent of temperature of hot water and cold
The cooling extent of water, while promoting efficiency of heat exchanger.Firstly, the steam of working medium C is compressed in the realization of vapour compression machine 5,
It realizes the significantly promotion of its temperature and pressure, and then has been obviously improved the exit concentration of solution in regeneration condenser 1, it is high
The solution of concentration is that working medium B steam creates conditions in a large amount of condensations of diluter 3.Secondly, vapour compression machine 6 is realized to working medium B
The compression of steam, therefore the condensing pressure of working medium B steam is significantly higher than evaporating pressure, and then cold water is in the outlet temperature of evaporator 4
Degree is significantly reduced, while highly concentrated solution and high condensing pressure realize a large amount of condensations of working medium B steam, and then hot water is dilute
The outlet temperature for releasing device 3 is obviously improved.The heat exchanger meets " high temp objects and the cryogenic object temperature difference are big " and " high temp objects
Temperature rise is big " heat exchange demand.
Detailed description of the invention
Fig. 1 is a kind of coupling heat pump heat exchanger flow chart.
Fig. 2 is a kind of coupling heat pump heat exchanger embodiments flow chart.
Appended drawing reference: 1- regeneration condenser, 1 (a)-regenerative space, 1 (b)-condensation space, 2- condenser/evaporator, 2 (a)-
Evaporating space, 2 (b)-condensation spaces, 3- diluter, 4- evaporator, 5- vapour compression machine, 6- vapour compression machine, 7- throttle valve,
8- throttle valve, 9- circulating pump, 10- circulating pump, 11- heat exchange of heat pipe, 12- hot water line, 13- cold water pipeline, 14- steam turbine,
15- steam pipework.
Specific embodiment
To keep the purposes, technical schemes and advantages of the invention implemented clearer, below in conjunction in the embodiment of the present invention
Attached drawing 2, technical solution in the embodiment of the present invention is further described in more detail.In fig 2, identical from beginning to end or
Similar label indicates same or similar element or element with the same or similar functions.Described embodiment is this hair
Bright a part of the embodiment, instead of all the embodiments.The embodiments described below with reference to the accompanying drawings are exemplary, it is intended to
It is used to explain the present invention, and is not considered as limiting the invention.Based on the embodiments of the present invention, ordinary skill
Personnel's every other embodiment obtained without creative efforts, shall fall within the protection scope of the present invention.
To use working medium A as Isosorbide-5-Nitrae-morpholine (DMAC), working medium B and working medium C are tetrafluoro monochlorethane
(R124) for, wherein DMAC combines to form solution with R124, and the evaporation of R124 is realized by the concentration variation of DMAC in solution
And condensation process.By taking Fig. 2 as an example, the operation logic of all parts and system to the coupling heat pump heat exchanger is described:
Regeneration condenser 1 realizes DMAC and boiling generation R124 steam after the heat absorption of R124 solution outside horizontal heat transfer pipe,
DMAC and R124 weak solution through nozzles spray in the outer surface of horizontal heat transfer pipe, by the top-down flow process of gravity
Continuous boiling is left after becoming concentrated solution, and regenerative space 1 (a) of the process outside pipe is completed.Simultaneously in horizontal heat transfer pipe
Portion R124 is become the exothermic process of liquid by steam state, and the R124 of steam state enters space in pipe from the left side of horizontal heat transfer pipe, certainly
Constantly condensation is left after becoming liquid in the flow process of from left to right, and condensation space 1 (b) of the process in pipe is completed.
The realization of condenser/evaporator 2 R124 outside horizontal heat transfer pipe becomes the evaporation process of steam state from liquid, liquid
R124 outside horizontal heat transfer pipe, leaves through nozzles spray after steam state is heated into top-down flow process, should
Evaporating space 2 (a) of the process outside pipe is realized.Realize that R124 steam is condensed into the mistake of liquid inside horizontal heat transfer pipe simultaneously
Journey, R124 steam by enter on the left of horizontal heat transfer pipe manage in space, be constantly condensed into flow process after liquid from left to right from
It opens, condensation space 2 (b) of the process in pipe realizes that evaporating space 2 (a) is not connected to condensation space 2 (b).
Diluter 3 realizes DMAC and R124 concentrated solution absorbs the process that R124 steam becomes DMAC Yu R124 weak solution,
DMAC and R124 concentrated solution outside horizontal heat transfer pipe, utilize R124 steam through nozzles spray during flowing from above to below
Condensation heat heat hot water, DMAC and R124 concentrated solution are left after becoming DMAC and R124 weak solution.
Evaporator 4 realizes that liquid R124 becomes the evaporation process of steam state, and liquid R124 is through nozzles spray in horizontal heat transfer pipe
It is heated during flowing from above to below by cold water since the temperature of cold water is higher than the evaporating temperature of R124 at this pressure outside
And evaporate, while pipe inner cold water is cooled down, R124 leaves after becoming steam state.
Vapour compression machine 5, which is realized, carries out the mesh that compression promotes its temperature, pressure to the R124 steam from condenser/evaporator 2
's.
Vapour compression machine 6, which is realized, carries out the purpose that compression promotes its temperature, pressure to the R124 steam for carrying out flash-pot 4.
Throttle valve 7 and throttle valve 8 realize the purpose to the R124 pressure and temperature reducing of liquid respectively.
Circulating pump 9 realizes that being recycled back into condenser/evaporator 2 again in the unevaporated liquid R124 in 2 bottom of condenser/evaporator pushes up
The nozzle in portion continues the process of spraying and sprinkling evaporation.
Circulating pump 10, which is realized, send DMAC and R124 the concentrated solution pressurization for leaving regeneration condenser 1 to heat exchange of heat pipe 11
Enter the purpose of absorber 3 after being cooled down.
Heat exchange of heat pipe 11 realizes the heat exchange process of DMAC and R124 concentrated solution and DMAC and R124 weak solution, realizes
The purpose that DMAC and R124 weak solution are preheated before entering regeneration condenser 1.
Hot water is used to take away the heat of R124 condensation release, through being warmed inside hot water line 12；Cold water is for heating
R124 becomes steam state from liquid, and cold water inside cold water pipeline 13 through being cooled down.
R124 needs to complete two evaporative condenser circulations in this embodiment, and the operating pressure of two circulations is different.One
Circulation is heated regeneration generation steam state R124 in regeneration condenser 1 for the weak solution of DMAC and R124 composition, and steam state R124 enters
After condenser/evaporator 2 be cooled become liquid R124 after leave, liquid R124 after throttle valve 8 by pressure and temperature reducing after enter steam
Hair device 4 becomes R124 steam by cold water heating, and R124 steam condenses after vapour compression machine 6 is boosted in diluter 3, R124
Condensed DMAC and R124 weak solution generate steam state R124 after heat exchange of heat pipe 11 enters regeneration condenser 1 again, so
Reciprocation cycle；Another circulation is that the R124 of liquid is heated into steam state R124, the R124 warp of steam state in condenser/evaporator 2
Pressure is elevated after crossing vapour compression machine 5, and steam state R124 cooled release heat in regeneration condenser 1 becomes liquid R124,
Liquid R124 is heated into steam state R124 after entering condenser/evaporator 2 after throttle valve 7 is by pressure and temperature reducing, and so on follows
Ring.
Vapour compression machine 6 is driven using steam turbine 14 in this embodiment, vapour compression machine 5 is driven using same way,
The vapor of high temperature and pressure, which enters, leaves steam turbine 14 after temperature, pressure decline after steam turbine 14 does work, the shaft of steam turbine drives
The shaft of vapour compression machine 6 completes vapor compression process.
Finally it is noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations.To the greatest extent
Present invention has been described in detail with reference to the aforementioned embodiments for pipe, those skilled in the art should understand that: it is still
It is possible to modify the technical solutions described in the foregoing embodiments, or part of technical characteristic is equally replaced
It changes；And these are modified or replaceed, the essence for technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution
Mind and range.
Claims (6)
1. a kind of coupling heat pump heat exchanger, it is characterised in that: the heat exchanger includes regeneration condenser 1, condenser/evaporator 2, dilution
Device 3, evaporator 4, vapour compression machine 5, vapour compression machine 6, heat exchange of heat pipe 11, throttle valve 7, throttle valve 8 and connecting line structure
At.
A kind of coupling heat pump heat exchanger as previously described, building block connection type are as follows: vapour compression machine 5 and regeneration condenser 1 and
Condenser/evaporator 2 is connected, and vapour compression machine 6 is connected with diluter 3 and evaporator 4, regeneration condenser 1 and vapour compression machine 5, heat
Heat exchange of heat pipe 11, condenser/evaporator 2, throttle valve 7 are connected with circulating pump 10, condenser/evaporator 2 and vapour compression machine 5, raw and cold again
Condenser 1, throttle valve 8 are connected with circulating pump 9, and diluter 3 is connected with heat exchange of heat pipe 11, vapour compression machine 6 and hot water line, steam
Hair device 4 is connected with throttle valve 8, vapour compression machine 6 and cold water pipeline, heat exchange of heat pipe 11 and diluter 3, regenerate condenser 1 and
Circulating pump 10 is connected.
A kind of coupling heat pump heat exchanger as previously described, regeneration condenser 1 is realized to boil after the heat absorption of horizontal heat transfer pipe external solution
Generate working medium B steam.The exothermic process that working medium C is become liquid by steam state is completed inside horizontal heat transfer pipe simultaneously.Condensation evaporation
Device 2 realizes that working medium C becomes the evaporation process of steam state from liquid outside horizontal heat transfer pipe, while realizing inside horizontal heat transfer pipe
Working medium B steam is condensed into the exothermic process of liquid.Diluter 3 realizes that the concentrated solution of working medium A and working medium B composition absorbs working medium B and steams
Vapour becomes the process of weak solution.Evaporator 4 realizes that liquid refrigerant B becomes the evaporation process of steam state.Vapour compression machine 5 and vapour pressure
Contracting machine 6 realizes that working medium C and working medium B steam carry out compression and promote its temperature, pressure respectively.Throttle valve 7 and throttle valve 8 are realized respectively
The purpose of working medium C and working medium B pressure and temperature reducing to liquid.Heat exchange of heat pipe 11 be built in diluter 3 with realize weak solution into
Enter to regenerate the purpose being preheated before condenser 1.Hot water inside hot water line 12 through being warmed, while cold water is through cold water pipeline 13
Inside is cooled down.
Cyclic process includes inside a kind of coupling heat pump heat exchanger as previously described: the evaporative condenser circulation and working medium C of working medium B
Evaporative condenser circulation:
1. the evaporative condenser circulation theory of working medium B: the solution of working medium A and working medium B composition is heated reproduction in regeneration condenser 1
Raw steam state working medium B, steam state working medium B enter after condenser/evaporator 2 be cooled become liquid after leave, liquid refrigerant B is by throttling
Entered evaporator 4 after pressure and temperature reducing after valve 8 and steam is become by cold water heating, working medium B steam is boosted by vapour compression machine 6
It is condensed afterwards in diluter 3, the condensed weak solution of working medium B generates vapour after heat exchange of heat pipe 11 enters regeneration condenser 1 again
State working medium B, so on circulate.
2. the evaporative condenser circulation theory of working medium C: the working medium C of liquid is heated into steam state in condenser/evaporator 2, steam state
Working medium C pressure after vapor compression machine 5 is elevated, and steam state working medium C cooled release heat in regeneration condenser 1 becomes
Liquid, the working medium C of liquid are heated into steam state after entering condenser/evaporator 2 after throttle valve 7 is by pressure and temperature reducing, so past
Multiple circulation.
A kind of coupling heat pump heat exchanger as previously described, vapour compression machine 5 and vapour compression machine 6 can be respectively adopted steam turbine or
Motor driven.
A kind of coupling heat pump heat exchanger as previously described, internal circulation cycle fluid include working medium A, working medium B and working medium C, wherein
Working medium A and working medium B forms working medium pair, and working medium A is solid or liquid working substance, and working medium B is liquid working substance, and working medium A is dissolved in work
Solution is formed in matter B.Working medium C is liquid working substance, be can be selected and working medium B same or different substance.
2. a kind of coupling heat pump heat exchanger according to claim 1, it is characterised in that: coupling heat pump heat exchanger uses simultaneously
Single-stage or Two-stage Compression can be respectively adopted in two-stage vapour compression machine, compressors at different levels.
3. a kind of coupling heat pump heat exchanger according to claim 1, it is characterised in that: working medium A or working medium C distinguish pure matter or
Mixed working fluid.
4. a kind of coupling heat pump heat exchanger according to claim 1, it is characterised in that: using heat exchange of heat pipe to weak solution
It is preheated, the temperature difference by reducing weak solution and concentrated solution is obviously improved the preheating quantity of weak solution, and then is obviously improved
Heat exchange efficiency.
5. a kind of coupling heat pump heat exchanger according to claim 1, it is characterised in that: the heat that diluter 3 is discharged is used
In heat hot water, steam or chemical industry fluid media (medium)；The extracted heat of evaporator 4 comes from cold water, steam or chemical industry fluid media (medium).
6. a kind of coupling heat pump heat exchanger according to claim 1, it is characterised in that: regeneration condenser 1, condenser/evaporator
2, diluter 3 and evaporator 4 can be respectively using single-stage or multistage processes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910455687.0A CN110057126B (en) | 2019-05-29 | 2019-05-29 | Coupling heat pump heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910455687.0A CN110057126B (en) | 2019-05-29 | 2019-05-29 | Coupling heat pump heat exchanger |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110057126A true CN110057126A (en) | 2019-07-26 |
| CN110057126B CN110057126B (en) | 2024-01-23 |
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| CN110567189A (en) * | 2019-09-10 | 2019-12-13 | 华北电力大学 | Steam compression type absorption heat pump |
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| CN110567189B (en) * | 2019-09-10 | 2024-01-19 | 华北电力大学 | Vapor compression type absorption heat pump |
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