CN109654638A - A kind of efficient industrial afterheat recovery varying duty water chiller-heater unit - Google Patents
A kind of efficient industrial afterheat recovery varying duty water chiller-heater unit Download PDFInfo
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- CN109654638A CN109654638A CN201910089196.9A CN201910089196A CN109654638A CN 109654638 A CN109654638 A CN 109654638A CN 201910089196 A CN201910089196 A CN 201910089196A CN 109654638 A CN109654638 A CN 109654638A
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- heat
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- hot water
- absorber
- transfer pipe
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 96
- 238000011084 recovery Methods 0.000 title claims abstract description 18
- 239000006096 absorbing agent Substances 0.000 claims abstract description 30
- 238000010521 absorption reaction Methods 0.000 claims abstract description 12
- 230000005494 condensation Effects 0.000 claims abstract description 12
- 238000009833 condensation Methods 0.000 claims abstract description 12
- 238000000034 method Methods 0.000 claims abstract description 8
- 230000008569 process Effects 0.000 claims abstract description 7
- AMXOYNBUYSYVKV-UHFFFAOYSA-M lithium bromide Chemical compound [Li+].[Br-] AMXOYNBUYSYVKV-UHFFFAOYSA-M 0.000 claims description 84
- 239000000243 solution Substances 0.000 claims description 58
- 229940059936 lithium bromide Drugs 0.000 claims description 42
- 239000007788 liquid Substances 0.000 claims description 24
- 238000010438 heat treatment Methods 0.000 claims description 7
- 239000007921 spray Substances 0.000 claims description 7
- 239000000498 cooling water Substances 0.000 claims description 5
- 230000000694 effects Effects 0.000 claims description 4
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 3
- 238000010790 dilution Methods 0.000 claims description 3
- 239000012895 dilution Substances 0.000 claims description 3
- 238000001704 evaporation Methods 0.000 claims description 3
- 230000008020 evaporation Effects 0.000 claims description 3
- 229910052744 lithium Inorganic materials 0.000 claims description 3
- 239000003507 refrigerant Substances 0.000 claims description 3
- 239000012530 fluid Substances 0.000 claims description 2
- 230000002146 bilateral effect Effects 0.000 abstract description 2
- 230000009466 transformation Effects 0.000 abstract description 2
- 230000008859 change Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 230000031709 bromination Effects 0.000 description 1
- 238000005893 bromination reaction Methods 0.000 description 1
- 150000001875 compounds Chemical group 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
- 238000012876 topography Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 239000006200 vaporizer Substances 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0007—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning
- F24F5/001—Compression cycle type
-
- 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
- F25B1/00—Compression machines, plants or systems with non-reversible cycle
-
- 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
- F25B15/00—Sorption machines, plants or systems, operating continuously, e.g. absorption type
- F25B15/02—Sorption machines, plants or systems, operating continuously, e.g. absorption type without inert gas
- F25B15/06—Sorption machines, plants or systems, operating continuously, e.g. absorption type without inert gas the refrigerant being water vapour evaporated from a salt solution, e.g. lithium bromide
-
- 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
- F25B30/00—Heat pumps
- F25B30/04—Heat pumps of the sorption type
-
- 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
- F25B41/00—Fluid-circulation arrangements
- F25B41/30—Expansion means; Dispositions thereof
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/27—Relating to heating, ventilation or air conditioning [HVAC] technologies
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/62—Absorption based systems
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Materials Engineering (AREA)
- Sorption Type Refrigeration Machines (AREA)
Abstract
The invention discloses a kind of efficient industrial afterheat recovery varying duty water chiller-heater unit, the unit includes: generator, condenser, first throttle valve, second throttle, double phase-change heat-exchangers, evaporator, absorber, freon compressore, Pistonless compressor, solution heat exchanger and circulating pump；The evaporator of absorption heat pump is coupled with the condenser of electric heat pump and is integrated using double media collapse machines by the present invention, is realized the heat transfer process of the heat exchanger bilateral phase transformation, is significantly reduced the condensation temperature of electric heat pump.
Description
Technical field
The present invention relates to technical field of energy utilization, and the unit of hot and cold water is produced more particularly to industrial afterheat recovery.
Background technique
Conventional industrial afterheat recovery technology often uses lithium bromide absorption type heat pump or electric heat pump to produce cold water,
If using lithium bromide absorption type heat pump technology due to using water as refrigerant, due to close on zero degree can freeze cannot produce zero degree with
Under cooling capacity；Need to consume a large amount of electric power if using electric heat pump recycling, operating cost is very high.
Therefore, it is desirable to have it is a kind of absorption heat pump and electric heat pump can be combined into one, while producing sub-zero cold
Amount, consumes fewer electricity, effectively to solve problems of the prior art.
Summary of the invention
The invention discloses a kind of efficient industrial afterheat recovery varying duty water chiller-heater units, which is characterized in that the unit
It include: generator, condenser, first throttle valve, second throttle, double phase-change heat-exchangers, evaporator and absorber；Generator adds
The vapor that hot lithium bromide weak solution generates exports the upper end entrance through condenser from generator upper end, and in condenser
The tube outer surface that conducts heat discharges heat, and vapor, which is condensed, becomes liquid water, and liquid water is exported from the lower end of condenser through second
Enter the nozzle that the heat transfer tube outer surface of double phase-change heat-exchangers is set after throttle valve pressure and temperature reducing, liquid water is through double phase-change heat-exchanges
The nozzles spray of device is heated into vapor, outlet of the vapor from the upper end of double phase-change heat-exchangers in heat transfer tube outer surface
Into the upper end entrance of absorber, vapor is brominated the absorption of lithium concentrated solution in absorber；
The lithium bromide concentrated solution that generator generates enters the heat transfer that the absorber is arranged in from the outlet of the lower end of generator
The nozzle of tube outer surface, lithium bromide concentrated solution absorb compressed vapor and form lithium bromide weak solution, and in the biography of absorber
Heat pipe outer surface discharges heat, and lithium bromide weak solution is entered by the nozzle that the lower end outlet of absorber flows into generator top
Mouthful；
The heat release inside the heat-transfer pipe of double phase-change heat-exchangers of freon steam is cooled to liquid freon, liquid freon
The left end entrance for entering evaporator after first throttle valve pressure and temperature reducing absorbs cold water heat in evaporator and forms freon steaming
Gas, freon steam is exported from the left end of evaporator to be discharged, and the right end entrance through double phase-change heat-exchangers enters the two-phase
Become inside the heat-transfer pipe of heat exchanger.
Preferably, the unit further includes freon compressore and Pistonless compressor, and freon steam is from the evaporator
Left end outlet enter freon compressore compressed, compressed high temperature and pressure freon compressore enter the two-phase change
Heat exchanger；Vapor enters Pistonless compressor from the top exit of double phase-change heat-exchangers, and compressed vapor enters suction
It receives device and dilutes lithium bromide concentrated solution.
Preferably, the unit may further comprise: solution heat exchanger and circulating pump, and lithium bromide concentrated solution is from the generation
The lower end of device is exported enters absorber progress lithium-bromide solution dilution after solution heat exchanger cools down, and lithium bromide weak solution is logical
The lower end outlet for crossing absorber flows into generator by circulating pump.
Preferably, the condenser interior arrangement has heat-transfer pipe, and the condenser left and right ends are respectively arranged with
One hot water inlet and the first hot water outlet；Hot water is entered by the first hot water inlet, by a left side inside the heat-transfer pipe of the condenser
It turns right flowing, is flowed out after being heated from the first hot water outlet, the condenser realizes vapor condensation release condensation latent heat heating
The effect of hot water, vapor is in heat-transfer pipe external condensation, and hot water is entered by the first hot water inlet, by from left to right inside heat-transfer pipe
Flowing is flowed out after being heated from the first hot water outlet.
Preferably, the absorber interior arrangement has heat-transfer pipe, and the absorber left and right ends are respectively arranged with
Two hot water inlets and the second hot water outlet；Hot water is entered by the second hot water inlet, by a left side inside the heat-transfer pipe of the absorber
It turns right flowing, is flowed out after being heated from the second hot water outlet.
Preferably, the generator interior arrangement has heat-transfer pipe, and the generator left and right ends are respectively arranged with drive
Dynamic thermal source inlet and driving heat source outlet；The generator realizes that lithium bromide weak solution is boiled in driving heat source heating and becomes bromination
The process of lithium concentrated solution, lithium bromide weak solution from generator top through nozzles spray heat transfer tube outer surface, driving heat source is by driving
Dynamic thermal source inlet enters generator, by flowing from left to right inside heat-transfer pipe, heats the lithium-bromide solution outside heat-transfer pipe, driving
Heat source fluid leaves generator driving steam by driving heat source outlet again and enters generator by driving heat source entrance, passes in generator
Inside heat pipe is become liquid water after driving steam release heat and is left generator by driving heat source outlet again by flowing from left to right.
Preferably, the evaporator upper and lower side is respectively arranged with cold water inlet and cooling water outlet；Cold water by cold water inlet into
Enter the evaporator to flow out from cooling water outlet.
The freon of the preferably described liquid uses pure refrigerant or non-azeotrope medium.
In order to recycle industrial exhaust heat (discarded low-grade steam or water), while hot water preparing, and low temperature is produced simultaneously
Water (more than zero degree or subzero can be used same unit to realize), the invention proposes a kind of coupling absorption heat pump and
The compound unit of electric heat pump, which can be driven using low-grade hot water or steam, while hot water preparing and cold water,
And can switch and produce zero degree or more or sub-zero cold water, the efficient industrial afterheat recovery varying duty water chiller/heater of the present invention
Group beneficial effect include:
1. the present invention is coupled the evaporator of absorption heat pump with the condenser of electric heat pump using double media collapse machines
It is integrated, realizes the heat transfer process of the heat exchanger bilateral phase transformation, significantly reduce the condensation temperature of electric heat pump, compared to absorption
The mode that formula heat pump is connected with water route outside electric heat pump, has been obviously improved the coefficient of performance (COP) of electric heat pump, has produced
The power consumption of electric heat pump is significantly reduced when the hot water and cold water of identical parameters, while reducing equipment volume and investment；
2. the present invention can produce two strands of hot water of two kinds of different temperatures simultaneously or produce one hot water of same temperature.
Detailed description of the invention
Fig. 1 is a kind of efficient industrial afterheat recovery varying duty water chiller-heater unit schematic diagram.
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.
The efficient industrial afterheat recovery varying duty water chiller-heater unit of the present invention uses lithium bromide water solution and R404A medium,
As shown in Figure 1, generator 1, which is boiled lithium bromide weak solution using driving steam heating, becomes lithium bromide concentrated solution
Process, lithium bromide weak solution from top through nozzles spray heat transfer tube outer surface, driving steam entered by driving heat source entrance 11
Generator 1 heats the lithium-bromide solution outside heat-transfer pipe, driving steam discharges heat by flowing from left to right inside heat-transfer pipe
After become liquid water generator 1 left by driving heat source outlet 12 again, the lithium-bromide solution of boiling generate vapor through pipeline into
Enter condenser 5, the lithium bromide concentrated solution of generation leaves generator 1 from 1 bottom of generator.Condenser 5 realizes that vapor condensation is released
The effect of solidifying Topography hot water A is let cool, vapor is entered in heat-transfer pipe external condensation, hot water A by the first hot water inlet 13,
By flowing from left to right inside heat-transfer pipe, flowed out after being heated from the first hot water outlet 14.It is spontaneous that absorber 3 realizes that vapor is come
The lithium bromide concentrated solution absorption release of raw device 1 absorbs heat and the function of heat hot water B, and lithium bromide concentrated solution is at the top of absorber 3
, in heat transfer tube outer surface, the vapor from Pistonless compressor 4, the mistake of absorption are absorbed during flowing into through nozzles spray
Journey discharges the hot water B in heat heat-transfer pipe, and hot water B enters absorber 3 by the second hot water inlet, by a left side inside heat-transfer pipe
It is flowed out after flowing is heated to the right from the second hot water outlet.Double phase-change heat-exchangers 6 realize vapor evaporation and R404A condensation
Double phase transition process, come the liquid water of condenser 5 after 8 pressure and temperature reducing of second throttle by nozzles spray in heat-transfer pipe
Outer surface becomes vapor by heat-transfer pipe heating during flowing and exits into Pistonless compressor 4 from top, by freon
The R404A steam of the compressed high temperature and pressure of compressor 9 enters double phase-change heat-exchangers 6, flows from right to left inside heat-transfer pipe
Double phase-change heat-exchangers 6 are left after becoming liquid R404A in the process.Evaporator 10 realizes that liquid R404A evaporation becomes gaseous state R404A
Heat is absorbed, realizes the effect to cool down to cold water, the liquid R404A from double phase-change heat-exchangers 6 is subtracted by 7 desuperheat of first throttle valve
Enter evaporator 10 after pressure, enters freon compressore 9 after becoming gaseous state R404A, cold water enters evaporator by cold water inlet 18
10, it is flowed out after being cooled down from cooling water outlet 17.The heat exchange of solution heat exchanger 2 realization lithium bromide concentrated solution and lithium bromide weak solution
Journey, lithium bromide concentrated solution are cooled down, and lithium bromide weak solution is heated.
The efficient industrial afterheat recovery varying duty water chiller-heater unit of the present invention includes three complete cycles:
1. lithium-bromide solution recycles, lithium bromide weak solution becomes concentrated solution by driving heat source ebuillition of heated in generator 1
Vapor is generated simultaneously, and concentrated solution enters absorber 3 after the cooling of solution heat exchanger 2 after leaving generator 1, and concentrated solution is through nozzle
It is absorbed after vapor becomes weak solution in the heat transfer tube outer surface flowing of absorber 3 and leaves absorber 3, flowed using circulating pump 19
Move 1 reciprocation cycle of generator.
2. water recycles, the vapor that generator 1 generates enters condenser 5, is condensed in the heat transfer tube outer surface of condenser 5
Become liquid water, enters two-phase change heat exchanger 6 after 8 pressure and temperature reducing of second throttle after leaving condenser 5, liquid water is through nozzle
It is sprayed at after heat transfer tube outer surface is heated into vapor and enters Pistonless compressor, compressed vapor enters absorber 3
It is absorbed, so as to circulate back and forth.
3. freon recycles, the freon of liquid becomes freon steam by cold water heating in the vaporizer 10, therefore cold
Water is cooled down, and freon steam enters after freon compressore 9 is compressed cold inside the heat-transfer pipe for entering two-phase change heat exchanger 6
But, become to leave double phase-change heat-exchangers 6 after liquid by gaseous state, the freon of liquid after 7 pressure and temperature reducing of first throttle valve again
It is secondary to enter evaporator 10, gaseous state is become by cold water heating, so on circulate.
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 (8)
1. a kind of efficient industrial afterheat recovery varying duty water chiller-heater unit, which is characterized in that the unit includes: generator, cold
Condenser, first throttle valve, second throttle, double phase-change heat-exchangers, evaporator and absorber；Generator heats lithium bromide weak solution
The vapor of generation exports the upper end entrance through condenser from generator upper end, and releases in the heat transfer tube outer surface of condenser
Thermal discharge, vapor, which is condensed, becomes liquid water, and liquid water is exported from the lower end of condenser through second throttle pressure and temperature reducing
Enter the nozzle that the heat transfer tube outer surface of double phase-change heat-exchangers is set afterwards, liquid water exists through the nozzles spray of double phase-change heat-exchangers
Heat transfer tube outer surface is heated into vapor, and vapor enters the upper of absorber from the outlet of the upper end of double phase-change heat-exchangers
End inlet, vapor are brominated the absorption of lithium concentrated solution in absorber；
The lithium bromide concentrated solution that generator generates enters from the outlet of the lower end of generator to be arranged in outside the heat-transfer pipe of the absorber
The nozzle on surface, lithium bromide concentrated solution absorb compressed vapor and form lithium bromide weak solution, and in the heat-transfer pipe of absorber
Outer surface discharges heat, and lithium bromide weak solution flows into the nozzle entrance on generator top by the lower end outlet of absorber；
The heat release inside the heat-transfer pipe of double phase-change heat-exchangers of freon steam is cooled to liquid freon, and liquid freon is through
The left end entrance for entering evaporator after one throttle valve pressure and temperature reducing absorbs cold water heat in evaporator and forms freon steam,
Freon steam is exported from the left end of evaporator to be discharged, and the right end entrance through double phase-change heat-exchangers is converted into the two-phase
Inside the heat-transfer pipe of hot device.
2. efficient industrial afterheat recovery varying duty water chiller-heater unit according to claim 1, it is characterised in that: the unit
It further include freon compressore and Pistonless compressor, freon steam enters freon from the outlet of the left end of the evaporator and compresses
Machine is compressed, and compressed high temperature and pressure freon compressore enters double phase-change heat-exchangers；Vapor is from the two-phase
The top exit for becoming heat exchanger enters Pistonless compressor, and compressed vapor enters absorber dilution lithium bromide concentrated solution.
3. efficient industrial afterheat recovery varying duty water chiller-heater unit according to claim 1, it is characterised in that: the unit
It may further comprise: solution heat exchanger and circulating pump, lithium bromide concentrated solution is exported from the lower end of the generator and exchanged heat through solution
Enter the absorber after device cooling and carry out lithium-bromide solution dilution, lithium bromide weak solution exports warp by the lower end of absorber
It crosses circulating pump and flows into generator.
4. efficient industrial afterheat recovery varying duty water chiller-heater unit according to claim 1, it is characterised in that: the condensation
Device interior arrangement has heat-transfer pipe, and the condenser left and right ends are respectively arranged with the first hot water inlet and the first hot water goes out
Mouthful；Hot water is entered by the first hot water inlet, by flowing from left to right inside the heat-transfer pipe of the condenser, from first after being heated
Hot water outlet outflow, the condenser realize the effect of vapor condensation release condensation latent heat heat hot water, and vapor is conducting heat
Pipe external condensation, hot water are entered by the first hot water inlet, by flowing from left to right inside heat-transfer pipe, from the first hot water after being heated
Outlet outflow.
5. efficient industrial afterheat recovery varying duty water chiller-heater unit according to claim 1, it is characterised in that: the absorption
Device interior arrangement has heat-transfer pipe, and the absorber left and right ends are respectively arranged with the second hot water inlet and the second hot water goes out
Mouthful；Hot water is entered by the second hot water inlet, by flowing from left to right inside the heat-transfer pipe of the absorber, from second after being heated
Hot water outlet outflow.
6. efficient industrial afterheat recovery varying duty water chiller-heater unit according to claim 1, it is characterised in that: the generation
Device interior arrangement has heat-transfer pipe, and the generator left and right ends are respectively arranged with driving heat source entrance and driving heat source goes out
Mouthful；The generator realizes that lithium bromide weak solution is boiled the process for becoming lithium bromide concentrated solution, lithium bromide by driving heat source heating
Weak solution from generator top through nozzles spray in heat transfer tube outer surface, driving heat source enters generator by driving heat source entrance,
By flowing from left to right inside heat-transfer pipe, the lithium-bromide solution outside heat-transfer pipe is heated, driving heat source fluid is again by driving heat source
Outlet leaves generator driving steam and enters generator by driving heat source entrance, by flowing from left to right inside generator heat-transfer pipe
It is dynamic, become liquid water after driving steam release heat and generator is left by driving heat source outlet again.
7. efficient industrial afterheat recovery varying duty water chiller-heater unit according to claim 1, it is characterised in that: the evaporation
Device upper and lower side is respectively arranged with cold water inlet and cooling water outlet；Cold water enters the evaporator from cooling water outlet stream by cold water inlet
Out.
8. efficient industrial afterheat recovery varying duty water chiller-heater unit according to claim 1, it is characterised in that: the liquid
Freon use pure refrigerant or non-azeotrope medium.
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|---|---|---|---|
| CN201910089196.9A CN109654638A (en) | 2019-01-30 | 2019-01-30 | A kind of efficient industrial afterheat recovery varying duty water chiller-heater unit |
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| CN201910089196.9A CN109654638A (en) | 2019-01-30 | 2019-01-30 | A kind of efficient industrial afterheat recovery varying duty water chiller-heater unit |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110056936A (en) * | 2019-04-24 | 2019-07-26 | 东北大学 | A kind of low ebb electric heat storage cascade type heat pump heating system and mode |
| CN110057126A (en) * | 2019-05-29 | 2019-07-26 | 华北电力大学 | A kind of coupling heat pump heat exchanger |
| CN110057128A (en) * | 2019-05-29 | 2019-07-26 | 华北电力大学 | A kind of coupling heat pump heat exchanger |
| CN110057127A (en) * | 2019-05-29 | 2019-07-26 | 华北电力大学 | A kind of coupling heat pump heat exchanger |
| CN110057129A (en) * | 2019-05-29 | 2019-07-26 | 华北电力大学 | A kind of coupling heat pump heat exchanger |
| CN110455012A (en) * | 2019-09-10 | 2019-11-15 | 华北电力大学 | A kind of vapor compression types absorption heat pump |
| CN111156737A (en) * | 2020-01-15 | 2020-05-15 | 东北电力大学 | Heating type absorption-compression coupling heat pump waste heat recovery system |
| CN111336685A (en) * | 2020-04-09 | 2020-06-26 | 华北电力大学 | Super heat pump |
| CN111380211A (en) * | 2020-03-18 | 2020-07-07 | 松下制冷（大连）有限公司 | Heat pump set |
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