CN108844253A - A kind of superhigh temperature non-azeotropic working medium heat pump unit - Google Patents
A kind of superhigh temperature non-azeotropic working medium heat pump unit Download PDFInfo
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- CN108844253A CN108844253A CN201811036483.5A CN201811036483A CN108844253A CN 108844253 A CN108844253 A CN 108844253A CN 201811036483 A CN201811036483 A CN 201811036483A CN 108844253 A CN108844253 A CN 108844253A
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- 239000003507 refrigerant Substances 0.000 claims abstract description 117
- 238000000034 method Methods 0.000 claims abstract description 37
- 238000010521 absorption reaction Methods 0.000 claims abstract description 20
- 238000009833 condensation Methods 0.000 claims abstract description 18
- 230000005494 condensation Effects 0.000 claims abstract description 18
- 238000001704 evaporation Methods 0.000 claims abstract description 18
- 230000008020 evaporation Effects 0.000 claims abstract description 17
- 238000011069 regeneration method Methods 0.000 claims abstract description 17
- 230000008929 regeneration Effects 0.000 claims abstract description 16
- 239000007788 liquid Substances 0.000 claims description 103
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 34
- 239000006096 absorbing agent Substances 0.000 claims description 27
- 239000002918 waste heat Substances 0.000 claims description 11
- 230000005484 gravity Effects 0.000 claims description 9
- 238000010438 heat treatment Methods 0.000 claims description 9
- MSSNHSVIGIHOJA-UHFFFAOYSA-N pentafluoropropane Chemical compound FC(F)CC(F)(F)F MSSNHSVIGIHOJA-UHFFFAOYSA-N 0.000 claims description 9
- 239000002250 absorbent Substances 0.000 claims description 8
- 230000002745 absorbent Effects 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 8
- 239000002826 coolant Substances 0.000 claims description 6
- 238000007599 discharging Methods 0.000 claims description 4
- 150000003839 salts Chemical class 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims description 3
- 239000007789 gas Substances 0.000 claims description 3
- 239000007791 liquid phase Substances 0.000 claims description 3
- 239000012071 phase Substances 0.000 claims description 3
- 238000009834 vaporization Methods 0.000 claims description 3
- 230000008016 vaporization Effects 0.000 claims description 3
- 239000003795 chemical substances by application Substances 0.000 claims description 2
- 230000007613 environmental effect Effects 0.000 claims description 2
- 238000005057 refrigeration Methods 0.000 claims 1
- 238000005516 engineering process Methods 0.000 abstract description 5
- 238000004064 recycling Methods 0.000 abstract 1
- 230000001568 sexual effect Effects 0.000 abstract 1
- AMXOYNBUYSYVKV-UHFFFAOYSA-M lithium bromide Chemical compound [Li+].[Br-] AMXOYNBUYSYVKV-UHFFFAOYSA-M 0.000 description 30
- 229940059936 lithium bromide Drugs 0.000 description 15
- 239000000126 substance Substances 0.000 description 6
- 150000001298 alcohols Chemical class 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 230000002427 irreversible effect Effects 0.000 description 2
- IPLONMMJNGTUAI-UHFFFAOYSA-M lithium;bromide;hydrate Chemical compound [Li+].O.[Br-] IPLONMMJNGTUAI-UHFFFAOYSA-M 0.000 description 2
- YFMFNYKEUDLDTL-UHFFFAOYSA-N 1,1,1,2,3,3,3-heptafluoropropane Chemical compound FC(F)(F)C(F)C(F)(F)F YFMFNYKEUDLDTL-UHFFFAOYSA-N 0.000 description 1
- UFWIBTONFRDIAS-UHFFFAOYSA-N Naphthalene Chemical compound C1=CC=CC2=CC=CC=C21 UFWIBTONFRDIAS-UHFFFAOYSA-N 0.000 description 1
- VMQTVPUDSZDWKQ-UHFFFAOYSA-N [Li].OCC(F)(F)F Chemical compound [Li].OCC(F)(F)F VMQTVPUDSZDWKQ-UHFFFAOYSA-N 0.000 description 1
- 230000031709 bromination Effects 0.000 description 1
- 238000005893 bromination reaction Methods 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- VXJIMUZIBHBWBV-UHFFFAOYSA-M lithium;chloride;hydrate Chemical compound [Li+].O.[Cl-] VXJIMUZIBHBWBV-UHFFFAOYSA-M 0.000 description 1
- WAZWGFFJLSIDMX-UHFFFAOYSA-M lithium;iodide;hydrate Chemical compound [Li+].O.[I-] WAZWGFFJLSIDMX-UHFFFAOYSA-M 0.000 description 1
- IADULSDNXCPSMU-UHFFFAOYSA-M lithium;methanol;bromide Chemical compound [Li+].[Br-].OC IADULSDNXCPSMU-UHFFFAOYSA-M 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000002480 mineral oil Substances 0.000 description 1
- 235000010446 mineral oil Nutrition 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
- UWHCKJMYHZGTIT-UHFFFAOYSA-N tetraethylene glycol Chemical compound OCCOCCOCCOCCO UWHCKJMYHZGTIT-UHFFFAOYSA-N 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- 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
- F25B25/00—Machines, plants or systems, using a combination of modes of operation covered by two or more of the groups F25B1/00 - F25B23/00
- F25B25/02—Compression-sorption 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
- F25B9/00—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point
- F25B9/002—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point characterised by the refrigerant
- F25B9/006—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point characterised by the refrigerant the refrigerant containing more than one component
Abstract
The invention proposes a kind of superhigh temperature non-azeotrope heat pump units, by the evaporator regenerator " unification of three devices " of the condenser of electric heat pump and absorption heat pump, while realizing freon condensation, solution regeneration and refrigerant evaporation process.Novel non-azeotropic working medium HD-01 is used in electric heat pump simultaneously, the novel non-azeotropic working medium condensation temperature is up to 130 DEG C or more.The superhigh temperature non-azeotrope heat pump unit can be used for recycling 50 DEG C of industrial exhaust heats below, and heated medium is heated to 180 DEG C or more.It compares with current electric heat pump technology or absorption heat pump technology, the higher outlet temperature of heated medium and temperature rise may be implemented at a temperature of identical residual heat resources, and there is certain economic sexual clorminance.
Description
Technical field
The invention belongs to technical field of energy utilization, more particularly to the superhigh temperature heat pump using non-azeotropic working medium.
Background technique
It is widely present a large amount of low grade residual heat in fields such as derived energy chemicals, these waste heats are usually with water at low temperature or steam
Mode directly drained it is unutilized, and since the larger efficiency of energy utilization for leading to system of its quantity is lower.
More the most commonly used is heat pump techniques in current industrial afterheat recovery technology, if using absorption heat pump technology,
An either class absorption heat pump perhaps two class absorption heat pumps due to the process of absorption heat pump or the limit of lithium bromide working medium
System causes the outlet temperature of its heated medium to there is limitation;If electric heat pump uses pure refrigerant using electric heat pump technology
When cause increasing extent of temperature is very limited and power consumption is higher to cause economy poor due to the limitation of compressor and working medium.
Current absorption heat pump and electric heat pump carried out in such a way that external water route is in series or in parallel using, due to
There is heat exchange difference in each heat exchanger of heat pump, thus cause to occur in heat transfer process irreversible loss it is larger cause be
The performance of system is poor.
In order to realize the significantly promotion of heated medium temperature, the invention propose it is a kind of by electric heat pump condenser and
It is same can to recycle 50 DEG C of industrial exhaust heat waste heat below for the three-in-one Novel heat exchanger of absorption heat pump regenerator evaporator
When, heated medium can be promoted to 180 DEG C or more;This compares existing report with the heat pump of heat-exchanger rig using novel process
Heat pump techniques have the characteristics that higher outlet temperature and bigger temperature rise amplitude.
Summary of the invention
Excessive temperature differentials is difficult to back between temperature and heated medium temperature in order to solve waste heat removal process residual heat resources
The problem of receipts, the invention propose a kind of heat pump unit that non-azeotropic working medium electric heat pump is combined into one with absorption heat pump, should
Unit not by the water route of electric heat pump and absorption heat pump carry out it is in series or in parallel it is equal simply connect, but by electric heat pump
Condenser and absorption heat pump evaporator regenerator " unification of three devices ", compared to for existing retrieval similar techniques, due to flowing
Journey innovates the irreversible loss for reducing heat transfer process, while novel non-azeotropic working medium has been used in electric heat pump, therefore has
There is higher heat pump COP(The coefficient of performance), which can recycle 50 DEG C of industrial exhaust heats below, and heated medium is heated
To 180 DEG C or more.
It is one that the condenser of electric heat pump, absorption heat pump regenerator and absorption heat pump evaporator are closed three by the present invention,
Novel three-in-one heat exchanger realizes non-azeotropic working medium condensation and the outer solution regeneration of pipe and cryogen in internal heat exchange tubes pipe simultaneously
The process of water evaporation, compared to only electric heat pump water route related to absorption heat pump is connected, in parallel or others are even
For connecing mode, due to the new type heat exchanger without water route as intermediate heat transferring medium, there is smaller heat transfer process not
The COP of reversible loss, heat pump entirety is significantly increased.
The present invention provides a kind of superhigh temperature non-azeotropic working medium heat pump unit, and the heat pump unit includes evaporator 1, condenser
4, the accessories such as condensation-evaporation-regenerator 3, absorber 5, motor compressor 2 and circulating pump throttle valve are constituted.
The heat pump unit evaporator 1 is connected to by pipeline with condensation-evaporation-regenerator 3, and condenser 4 passes through pipe
Road is connected to condensation-evaporation-regenerator 3, and absorber 5 is connected to by pipeline with condensation-evaporation-regenerator 3.
The connecting line of the evaporator 1 of the heat pump includes waste heat water lines 15, non-azeotropic working medium(Liquid)16 He of pipeline
Non-azeotropic working medium(Steam state)Pipeline 20;The non-azeotropic working medium of liquid passes through non-azeotropic working medium(Liquid)Pipeline 16 enters evaporator 1
Steam state is become by liquid by vaporization after the industrial exhaust heat medium heating in waste heat water lines 15 afterwards, then the non-azeotropic working medium of steam state
Into non-azeotropic working medium(Steam state)Evaporator 1 is left after pipeline 20 enters back into motor compressor 2.
The connecting line of the absorber 5 of the heat pump includes refrigerant(Steam state)Pipeline 21, weak solution pipeline 24, concentrated solution
Pipeline 22 and heated medium pipeline 23;Concentrated solution, which enters after absorber 5, to be absorbed in flow process from refrigerant(Steam state)
The refrigerant vapour of pipeline 21, the concentration of solution reduces while discharging heat during absorption, which is heated for heating
Medium in the pipe of medium pipeline 23;The weak solution for finally completing absorption process leaves absorber 5 by weak solution pipeline 24.
The connecting line of the condenser 4 of the heat pump includes refrigerant(Steam state)Pipeline 19, refrigerant(Liquid)Pipeline 17
With cooling medium pipeline 18;Refrigerant vapour passes through refrigerant(Steam state)Pipeline 19 enter condenser 4 after with cooling medium pipeline
18, which carry out heat exchange, is cooled, and then refrigerant vapour becomes liquid by steam state, and the refrigerant of liquid enters refrigerant(Liquid)Pipe
Leave condenser 4 in road 17.
Condensation-evaporation-regenerator 3 of the heat pump includes that non-azeotropic working medium condenses cavity 8, refrigerant evaporation cavity
6 and solution regeneration cavity 7 constitute;Condensation-evaporation-regenerator 3 connecting line includes non-azeotropic working medium(Steam state)Pipeline
20, refrigerant(Liquid)Pipeline 17, refrigerant(Steam state)Pipeline 21, non-azeotropic working medium(Liquid)Pipeline 16, weak solution pipeline 24,
Concentrated solution pipeline 22 and refrigerant(Steam state)Pipeline 19;Condensation-evaporation-regenerator 3 realize simultaneously non-azeotropic working medium condensation,
The heat transfer process of weak solution regeneration and liquid refrigerant evaporation;Non-azeotropic working medium inside condensation-evaporation-regenerator 3 is cold
Solidifying cavity 8, which is realized, comes from non-azeotropic working medium(Steam state)The steam state non-azeotropic working medium of pipeline 20 manages interior space by gas phase in heat-transfer pipe 9
The condensation process for becoming liquid phase, the liquid non-azeotropic working medium for condensing formation enter non-azeotropic working medium(Liquid)Pipeline 16;Pipe external solution
The effect of body distributor 10 is that liquid is evenly distributed in the outside wall surface of heat-transfer pipe 9, and liquid is by managing outer liquid distribution trough 10
It is heated afterwards since the gravity of itself is flowed from above to below in the outside wall surface of heat-transfer pipe 9;Solution regenerates cavity 7 and realizes in heat-transfer pipe
9 tube outer surface weak solution is heated into concentrated solution and releases the process of refrigerant vapour during flowing from above to below,
The concentrated solution of generation enters concentrated solution pipeline 22, and the refrigerant vapour of generation enters refrigerant(Steam state)Pipeline 19;Refrigerant steams
Hair cavity 6 realizes that liquid refrigerant becomes the process of vaporized refrigerant, and liquid refrigerant is by refrigerant(Liquid)Pipeline 17 enters,
It is heated in the 9 top-down flowing in pipe outer wall face of heat-transfer pipe, flow process by heat-transfer pipe 9 after liquid distribution trough 10 outside pipe
Steam state is become by liquid, the refrigerant of the steam state of generation enters refrigerant(Steam state)Pipeline 21.
The heat pump unit includes three internal working medium circulation loops:Non-azeotropic working medium circulation loop, solution circulation loop
It is constituted with refrigerant circulation loop;Non-azeotropic working medium circulation loop includes evaporator 1, motor compressor 2, non-azeotropic working medium condensation
Cavity 8, heat-transfer pipe 9 and throttle valve 14 and connecting line are constituted;Liquid non-azeotropic working medium is in evaporator by waste heat water lines
15 heating become steam state, are even further improved by applying coatings its temperature and pressure subsequently into motor compressor 2, the non-azeotrope after increasing temperature and pressure
Working medium enters after the pipe internal channel heat release of all heat-transfer pipes 9 in condensation-evaporation-regenerator 3 becomes liquid by steam state
Non-azeotropic working medium(Liquid)Pipeline 16 enters evaporator 1 after 14 pressure and temperature reducing of throttle valve and completes non-azeotropic working medium circulation;It is molten
Liquid circulation loop includes absorber 5, solution regeneration cavity 7, heat-transfer pipe 9, solution heat exchanger 11, solution pump 13 and connecting line group
At;Concentrated solution enters after absorber 5 to absorb by concentrated solution pipeline 22 comes from refrigerant(Steam state)The vaporized refrigerant of pipeline 21
Concentration is reduced while being discharged and needs to add hot medium in 23 pipe of heat heated medium pipeline afterwards;Weak solution enters dilute molten
Liquid pipeline 24 after solution heat exchanger 11 enter solution regenerate cavity 7, weak solution after liquid distribution trough 10 outside pipe due to
Gravity is flowed in the outside wall surface of heat-transfer pipe 9, is heated in flow process by heat-transfer pipe 9 and refrigerant vapour is precipitated, while is dilute molten
Liquid is condensed into concentrated solution, and concentrated solution enters concentrated solution pipeline 22 and enters absorber 5 after solution heat exchanger 11 and solution pump 13
Complete solution circulation;Refrigerant circulation loop regenerates cavity 7, condenser 4, refrigerant evaporation cavity 6, refrigerated medium pump 12 by solution
It is formed with connecting line, passes through refrigerant in the refrigerant vapour that solution regeneration cavity 7 is precipitated(Steam state)Pipeline 19 enters condensation
Device 4 becomes liquid from steam state after the refrigerant cooled medium pipeline 18 of steam state is cooling, and liquid refrigerant enters back into refrigerant
(Liquid)Pipeline 17 enters refrigerant evaporation cavity 6 after refrigerated medium pump 12, and the refrigerant of liquid is by managing outer liquid distribution trough
It is flowed from above to below by gravity in the outside wall surface of heat-transfer pipe 9 after 10 and is heated into steam state, the refrigerant of steam state enters system
Cryogen(Steam state)Enter absorber 5 after pipeline 21 to be absorbed by concentrated solution.
The non-azeotropic working medium that the heat pump unit uses is non-for the HD-01 type superhigh temperature ternary for having excellent thermophysical property
Azeotropic environmental protection type working medium;It is more than 130 DEG C that condensation temperature, which may be implemented, in the environment-friendly type non-azeotropic working medium, compared to only with R245fa etc.
There is under identical operating condition higher COP for pure refrigerant(The coefficient of performance);HD-01 non-azeotropic working medium use simultaneously R1234ze,
The ternary mixture of R227ea and R245fa, the mass fraction range of R1234ze is 10%-35% in the ternary mixture,
The mass fraction range of R227ea is 5%-40%, and the mass fraction of R245fa is 40%-85%;
R1234ze, chemical formula CHF=CHCF3, CAS number 1645-83-6,109.37 DEG C of critical-temperature, ODP value is 0;
R227ea, chemical formula CF3CHFCF3, CAS number 431-89-0,101.75 DEG C of critical-temperature, ODP value is 0;
R245fa, chemical formula CF3CH2CHF2, CAS number 460-73-1,154.01 DEG C of critical-temperature, ODP value is 0.
HD-01 non-azeotropic working medium used in the present invention has the advantages that compared with prior art:
(1)Pure refrigerant ODP used by the non-azeotropic working medium is prepared is 0, belongs to environmentally friendly working medium;
(2)The non-azeotropic working medium has preferable temperature glide characteristic, compares in evaporating temperature and the larger condensation temperature temperature difference
Existing non-azeotropic working medium has higher COP;
(3)The same mineral oil of the non-azeotropic working medium, naphthene base crude oil and POE oil etc. have preferable intersolubility;
(4)The non-azeotropic working medium and metal material and nonmetallic materials have preferable compatibility.
Detailed description of the invention
Fig. 1 is a kind of superhigh temperature non-azeotropic working medium heat pump unit flow diagram.
Appended drawing reference:1- evaporator, 2- motor compressor, 3- condensation-evaporation-regenerator, 4- condenser, 5- absorb
Device, 6- refrigerant evaporation cavity, 7- solution regenerate cavity, and 8- non-azeotropic working medium condenses cavity, 9- heat-transfer pipe, and 10- manages outer liquid
Distributor, 11- solution heat exchanger, 12- refrigerated medium pump, 13- solution pump, 14- throttle valve, 15- waste heat water lines, 16- non-azeotrope
Working medium(Liquid)Pipeline, 17- refrigerant(Liquid)Pipeline, 18- cooling medium pipeline, 19- refrigerant(Steam state)Pipeline, 20- are non-
Azeotropic working medium(Steam state)Pipeline, 21- refrigerant(Steam state)Pipeline, 22- concentrated solution pipeline, 23- heated medium pipeline, 24- are dilute
Solution line.
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, technical solution in the embodiment of the present invention is further described in more detail;In the accompanying drawings, identical from beginning to end or class
As label indicate same or similar element or element with the same or similar functions;Described embodiment is the present invention
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 use
It is of the invention in explaining, and be not considered as limiting the invention;Based on the embodiments of the present invention, ordinary skill people
Member's every other embodiment obtained without creative efforts, shall fall within the protection scope of the present invention.
A kind of superhigh temperature non-azeotropic working medium heat pump unit, the heat pump unit include evaporator 1, condenser 4, condensation-steaming
The accessories such as hair-regenerator 3, absorber 5, motor compressor 2 and circulating pump throttle valve are constituted;The heat pump unit includes three
A internal working medium circulation loop:Non-azeotropic working medium circulation loop, solution circulation loop and refrigerant circulation loop are constituted;It is wherein non-
Working medium used in azeotropic working medium circulation loop be HD-01 type ternary working medium, HD-01 non-azeotropic working medium use simultaneously R1234ze,
The ternary mixture of R227ea and R245fa, the mass fraction range of R1234ze is 10%-35% in the ternary mixture,
The mass fraction range of R227ea is 5%-40%, and the mass fraction of R245fa is 40%-85%;The ratio of three kinds of components is according to reality
Applied heat pump operating temperature is matched;Cycle fluid used by solution circulation loop and refrigerant circulation loop is to inhale
The available absorbent of receipts formula heat pump-refrigerant working medium pair, can select the salt such as lithium bromide-water, lithium chloride-water, lithium iodide-water molten
Liquid(Water is refrigerant, and salt is absorbent, and refrigerant and absorbent are mixed to form solution)Or lithium bromide-methanol, bromination
Lithium-trifluoroethanol etc.(Alcohols is refrigerant, and salt is absorbent, and refrigerant and absorbent are mixed to form solution)Or trifluoro
Dichloroethanes-dimethanol tetraethylene glycol etc.(Freon is refrigerant, and alcohols is absorbent, and refrigerant and absorbent are mixed to form molten
Liquid);Used solution type is selected according to the operating temperature of the heat pump, using relatively conventional lithium bromide-water as working medium
Embodiment is illustrated.
The heat pump unit evaporator 1 is connected to by pipeline with condensation-evaporation-regenerator 3, and condenser 4 passes through pipe
Road is connected to condensation-evaporation-regenerator 3, and absorber 5 is connected to by pipeline with condensation-evaporation-regenerator 3.
The connecting line of the evaporator 1 of the heat pump includes waste heat water lines 15, non-azeotropic working medium(Liquid)16 He of pipeline
Non-azeotropic working medium(Steam state)Pipeline 20;The non-azeotropic working medium of liquid passes through non-azeotropic working medium(Liquid)Pipeline 16 enters evaporator 1
Steam state is become by liquid by vaporization after the industrial exhaust heat medium heating in waste heat water lines 15 afterwards, then the non-azeotropic working medium of steam state
Into non-azeotropic working medium(Steam state)Evaporator 1 is left after pipeline 20 enters back into motor compressor 2.
The connecting line of the absorber 5 of the heat pump includes refrigerant(Steam state)Pipeline 21, weak solution pipeline 24, concentrated solution
Pipeline 22 and heated medium pipeline 23;Lithium bromide concentrated solution, which enters after absorber 5, to be absorbed in flow process from refrigerant
(Steam state)The water vapour of pipeline 21, the concentration of lithium-bromide solution reduces while discharging heat during absorption, which is used for
Heat medium in the pipe of heated medium pipeline 23(Water, vapor or the other chemical industry fluids for needing to heat);It finally completes
The lithium bromide weak solution of absorption process leaves absorber 5 by weak solution pipeline 24.
The connecting line of the condenser 4 of the heat pump includes refrigerant(Steam state)Pipeline 19, refrigerant(Liquid)Pipeline 17
With cooling medium pipeline 18;Water vapour passes through refrigerant(Steam state)Pipeline 19 enter condenser 4 after with cooling medium pipeline 18 into
Row heat exchange is cooled, and then water vapour becomes liquid by steam state, and liquid water enters refrigerant(Liquid)Pipeline 17 leaves condenser
4。
Condensation-evaporation-regenerator 3 of the heat pump includes that non-azeotropic working medium condenses cavity 8, refrigerant evaporation cavity
6 and solution regeneration cavity 7 constitute;Condensation-evaporation-regenerator 3 connecting line includes non-azeotropic working medium(Steam state)Pipeline
20, refrigerant(Liquid)Pipeline 17, refrigerant(Steam state)Pipeline 21, non-azeotropic working medium(Liquid)Pipeline 16, weak solution pipeline 24,
Concentrated solution pipeline 22 and refrigerant(Steam state)Pipeline 19;Condensation-evaporation-regenerator 3 realize simultaneously non-azeotropic working medium condensation,
The heat transfer process of lithium bromide weak solution regeneration and liquid water evaporation;Non-azeotropic working medium inside condensation-evaporation-regenerator 3
Cavity 8 is condensed to realize from non-azeotropic working medium(Steam state)The steam state HD-01 working medium of pipeline 20 manages interior space by gas phase in heat-transfer pipe 9
The condensation process for becoming liquid phase, the liquid HD-01 working medium for condensing formation enter non-azeotropic working medium(Liquid)Pipeline 16;Manage outer liquid
The effect of distributor 10 is that liquid is evenly distributed in the outside wall surface of heat-transfer pipe 9, and liquid is after liquid distribution trough 10 outside pipe
It is heated since the gravity of itself is flowed from above to below in the outside wall surface of heat-transfer pipe 9;Solution regenerates cavity 7 and realizes in heat-transfer pipe 9
Tube outer surface lithium bromide weak solution flow from above to below during be heated into lithium bromide concentrated solution and release water vapour
Process, the lithium bromide concentrated solution of generation enters concentrated solution pipeline 22, and the water vapour of generation enters refrigerant(Steam state)Pipeline 19;
Refrigerant evaporation cavity 6 realizes that liquid water becomes the process of vapor, and liquid water is by refrigerant(Liquid)Pipeline 17 enters, and passes through
It is heated by heat-transfer pipe 9 by liquid in the 9 top-down flowing in pipe outer wall face of heat-transfer pipe, flow process after managing outer liquid distribution trough 10
State becomes vapor, and the vapor of generation enters refrigerant(Steam state)Pipeline 21.
The heat pump unit includes three internal working medium circulation loops:Non-azeotropic working medium circulation loop, lithium-bromide solution follow
Loop back path and cryogen water-flow circuit are constituted;Non-azeotropic working medium circulation loop includes evaporator 1, motor compressor 2, non-azeotrope work
Matter condenses cavity 8, heat-transfer pipe 9 and throttle valve 14 and connecting line is constituted;Liquid HD-01 working medium is in evaporator by remaining hot water
The heating of pipeline 15 becomes steam state, its temperature and pressure is even further improved by applying coatings subsequently into motor compressor 2, after increasing temperature and pressure
HD-01 working medium is after the pipe internal channel heat release of all heat-transfer pipes 9 in condensation-evaporation-regenerator 3 becomes liquid by steam state
Into non-azeotropic working medium(Liquid)Pipeline 16 enters the completion of evaporator 1 HD-01 working medium after 14 pressure and temperature reducing of throttle valve and follows
Ring;Lithium-bromide solution circulation loop includes absorber 5, solution regeneration cavity 7, heat-transfer pipe 9, solution heat exchanger 11, solution pump 13
It is formed with connecting line;Lithium bromide concentrated solution enters after absorber 5 to absorb by concentrated solution pipeline 22 comes from refrigerant(Steam state)
Concentration is reduced while being discharged and needs to add hot medium in 23 pipe of heat heated medium pipeline after the vapor of pipeline 21
(Water, vapor or other chemical mediums);It is laggard by solution heat exchanger 11 that lithium bromide weak solution enters weak solution pipeline 24
Enter solution regeneration cavity 7, lithium bromide weak solution is after liquid distribution trough 10 outside pipe since gravity is in the outer wall of heat-transfer pipe 9
Surface current is dynamic, is heated in flow process by heat-transfer pipe 9 and water vapour is precipitated, while lithium bromide weak solution is condensed into concentrated solution, lithium bromide
Concentrated solution enters concentrated solution pipeline 22 and enters the completion solution circulation of absorber 5 after solution heat exchanger 11 and solution pump 13;It is cold
Agent water-flow circuit includes that solution regenerates cavity 7, condenser 4, refrigerant evaporation cavity 6, refrigerated medium pump 12 and connecting line,
The water vapour that solution regeneration cavity 7 is precipitated passes through refrigerant(Steam state)Pipeline 19 enters condenser 4, vapor cooled medium pipe
Liquid water is become from vapor after road 18 is cooling, liquid water enters back into refrigerant(Liquid)Pipeline 17 enters after refrigerated medium pump 12
Refrigerant evaporation cavity 6, liquid water after liquid distribution trough 10 outside pipe by gravity heat-transfer pipe 9 outside wall surface from upper and
Lower flowing is heated into vapor, and vapor enters refrigerant(Steam state)Enter absorber 5 after pipeline 21 to be absorbed by concentrated solution.
It is last it is to be 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 superhigh temperature non-azeotropic working medium heat pump unit, it is characterised in that:The heat-exchange unit includes:Evaporator 1, condenser
4, the accessories such as condensation-evaporation-regenerator 3, absorber 5, motor compressor 2 and circulating pump throttle valve are constituted;
The heat pump unit evaporator 1 be connected to by pipeline with condensation-evaporation-regenerator 3, condenser 4 pass through pipeline and
Condensation-evaporation-regenerator 3 is connected to, and absorber 5 is connected to by pipeline with condensation-evaporation-regenerator 3;
The connecting line of the evaporator 1 of the heat pump includes waste heat water lines 15, non-azeotropic working medium(Liquid)Pipeline 16 and non-total
Boil working medium(Steam state)Pipeline 20;The non-azeotropic working medium of liquid passes through non-azeotropic working medium(Liquid)Pipeline 16 enters quilt after evaporator 1
Vaporization becomes steam state by liquid after industrial exhaust heat medium heating in waste heat water lines 15, and then the non-azeotropic working medium of steam state enters
Non-azeotropic working medium(Steam state)Evaporator 1 is left after pipeline 20 enters back into motor compressor 2;
The connecting line of the absorber 5 of the heat pump includes refrigerant(Steam state)Pipeline 21, weak solution pipeline 24, concentrated solution pipeline
22 and heated medium pipeline 23;Concentrated solution, which enters after absorber 5, to be absorbed in flow process from refrigerant(Steam state)Pipeline
21 refrigerant vapour, the concentration of solution reduces while discharging heat during absorption, and the heat is for heating heated medium
Medium in the pipe of pipeline 23;The weak solution for finally completing absorption process leaves absorber 5 by weak solution pipeline 24;
The connecting line of the condenser 4 of the heat pump includes refrigerant(Steam state)Pipeline 19, refrigerant(Liquid)Pipeline 17 and cold
But medium pipeline 18;Refrigerant vapour passes through refrigerant(Steam state)Pipeline 19 enter condenser 4 after with cooling medium pipeline 18 into
Row heat exchange is cooled, and then refrigerant vapour becomes liquid by steam state, and the refrigerant of liquid enters refrigerant(Liquid)Pipeline 17
Leave condenser 4;
Condensation-evaporation-regenerator 3 of the heat pump passes through non-azeotropic working medium(Steam state)Pipeline 20 and non-azeotropic working medium(Liquid
State)Pipeline 16 is connected with evaporator 1;Condensation-evaporation-regenerator 3 passes through weak solution pipeline 24, concentrated solution pipeline 22 and system
Cryogen(Steam state)Pipeline 21 is connected with absorber 5;Condensation-evaporation-regenerator 3 passes through refrigerant(Steam state)Pipeline 19 and system
Cryogen(Liquid)Pipeline 17 is connected with condenser 4.
2. a kind of superhigh temperature non-azeotropic working medium heat pump unit according to claim 1, it is characterised in that:The heat pump it is cold
Solidifying-evaporation-regenerator 3 includes that non-azeotropic working medium condensation cavity 8, refrigerant evaporation cavity 6 and solution regenerate 7 structure of cavity
At;Condensation-evaporation-regenerator 3 connecting line includes non-azeotropic working medium(Steam state)Pipeline 20, refrigerant(Liquid)Pipeline
17, refrigerant(Steam state)Pipeline 21, non-azeotropic working medium(Liquid)Pipeline 16, weak solution pipeline 24, concentrated solution pipeline 22 and refrigeration
Agent(Steam state)Pipeline 19;Condensation-evaporation-regenerator 3 realizes non-azeotropic working medium condensation, weak solution regeneration and liquid system simultaneously
The heat transfer process of cryogen evaporation;Non-azeotropic working medium condensation cavity 8 inside condensation-evaporation-regenerator 3 is realized from non-total
Boil working medium(Steam state)The steam state non-azeotropic working medium of pipeline 20, which manages interior space in heat-transfer pipe 9, is become from gas phase the condensation process of liquid phase,
The liquid non-azeotropic working medium that condensation is formed enters non-azeotropic working medium(Liquid)Pipeline 16;Manage outer liquid distribution trough 10 effect be by
Liquid is evenly distributed in the outside wall surface of heat-transfer pipe 9, and liquid is after liquid distribution trough 10 outside pipe since the gravity of itself is passing
The outside wall surface of heat pipe 9, which flows from above to below, to be heated;Solution regenerate cavity 7 realize heat-transfer pipe 9 tube outer surface weak solution from
It is heated into concentrated solution during upper and lower flowing and releases the process of refrigerant vapour, the concentrated solution of generation enters dense molten
The refrigerant vapour of liquid pipeline 22, generation enters refrigerant(Steam state)Pipeline 19;Refrigerant evaporation cavity 6 realizes liquid refrigerant
Become the process of vaporized refrigerant, liquid refrigerant is by refrigerant(Liquid)Pipeline 17 enters, by liquid distribution trough 10 outside pipe
It is heated in the 9 top-down flowing in pipe outer wall face of heat-transfer pipe, flow process by heat-transfer pipe 9 afterwards and steam state is become by liquid, generated
The refrigerant of steam state enter refrigerant(Steam state)Pipeline 21.
3. a kind of superhigh temperature non-azeotropic working medium heat pump unit according to claim 2, it is characterised in that:The heat pump unit
Including three internal working medium circulation loops:Non-azeotropic working medium circulation loop, solution circulation loop and refrigerant circulation loop are constituted;
Non-azeotropic working medium circulation loop includes evaporator 1, motor compressor 2, non-azeotropic working medium condensation cavity 8, heat-transfer pipe 9 and throttle valve
14 and connecting line constitute;Liquid non-azeotropic working medium in evaporator by waste heat water lines 15 heating becomes steam state, then into
Enter motor compressor 2 and be even further improved by applying coatings its temperature and pressure, the non-azeotropic working medium after increasing temperature and pressure is in condensation-evaporation-regeneration
The pipe internal channel heat release of all heat-transfer pipes 9 in heat exchanger 3 enters non-azeotropic working medium after becoming liquid by steam state(Liquid)Pipeline
16, evaporator 1 is entered after 14 pressure and temperature reducing of throttle valve and completes non-azeotropic working medium circulation;Solution circulation loop includes absorber
5, solution regeneration cavity 7, heat-transfer pipe 9, solution heat exchanger 11, solution pump 13 and connecting line composition;Concentrated solution passes through concentrated solution
Pipeline 22 absorbs after entering absorber 5 from refrigerant(Steam state)Concentration reduces while discharging heat after the vaporized refrigerant of pipeline 21
It needs to add hot medium in amount heating 23 pipe of heated medium pipeline;Weak solution enters weak solution pipeline 24 and exchanges heat by solution
Enter solution after device 11 and regenerate cavity 7, weak solution is after liquid distribution trough 10 outside pipe since gravity is in the outer of heat-transfer pipe 9
Wall surface flows, and is heated in flow process by heat-transfer pipe 9 and refrigerant vapour is precipitated, while weak solution is condensed into concentrated solution, concentrated solution
Enter absorber 5 after solution heat exchanger 11 and solution pump 13 into concentrated solution pipeline 22 and completes solution circulation;Refrigerant follows
Loop back path is made of solution regeneration cavity 7, condenser 4, refrigerant evaporation cavity 6, refrigerated medium pump 12 and connecting line, in solution
The refrigerant vapour that regeneration cavity 7 is precipitated passes through refrigerant(Steam state)Pipeline 19 enters condenser 4, and the refrigerant of steam state is cooled
Liquid is become from steam state after medium pipeline 18 is cooling, liquid refrigerant enters back into refrigerant(Liquid)Pipeline 17 is through refrigerated medium pump 12
Enter refrigerant evaporation cavity 6 afterwards, the refrigerant of liquid is after liquid distribution trough 10 outside pipe by gravity in heat-transfer pipe 9
Outside wall surface, which flows from above to below, is heated into steam state, and the refrigerant of steam state enters refrigerant(Steam state)Enter after pipeline 21 and absorbs
Device 5 is absorbed by concentrated solution.
4. a kind of superhigh temperature non-azeotropic working medium heat pump unit according to claim 3, it is characterised in that:Non-azeotropic working medium follows
The non-azeotropic working medium that loop back path uses is has the HD-01 type ternary non-azeotropic environmental protection type working medium of excellent thermophysical property;HD-01
Non-azeotropic working medium uses the ternary mixture of R1234ze, R227ea and R245fa simultaneously, R1234ze in the ternary mixture
Mass fraction range is 10%-35%, and the mass fraction range of R227ea is 5%-40%, and the mass fraction of R245fa is 40%-85%.
5. a kind of superhigh temperature non-azeotropic working medium heat pump unit according to claim 3, it is characterised in that:Solution circulation loop
Used solution is working medium pair made of absorbent and refrigerant compositions, and working medium is to using inorganic salts-water, inorganic salts -ol class
Or freon -ol class.
6. a kind of superhigh temperature non-azeotropic working medium heat pump unit according to claim 1, it is characterised in that:Condensation-evaporation-is again
Raw heat exchanger 3 realizes that non-azeotropic working medium condensation, the outer solution regeneration of pipe and refrigerant evaporate three heat transfer process in pipe simultaneously.
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