CN109595851A - A kind of combined heat pump absorption system and the water heater using it - Google Patents
A kind of combined heat pump absorption system and the water heater using it Download PDFInfo
- Publication number
- CN109595851A CN109595851A CN201811124004.5A CN201811124004A CN109595851A CN 109595851 A CN109595851 A CN 109595851A CN 201811124004 A CN201811124004 A CN 201811124004A CN 109595851 A CN109595851 A CN 109595851A
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- Prior art keywords
- refrigerant
- heat exchanger
- heat
- solution
- absorption
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Classifications
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- 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
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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
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- 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
-
- 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
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Sorption Type Refrigeration Machines (AREA)
Abstract
The invention discloses a kind of combined heat pump absorption system and using its water heater, the desorption device of the system heats refrigerant, refrigerant vapour enters in the rectifier and by will be in condensate return to desorption device after rectification, the heat exchanger is equipped in rectifier, refrigerant vapour carries out heat with the heat exchanger and exchanges, then refrigerant heat exchanger enters in the condenser, the condenser is connected with water tank, refrigerant vapour is by the water heating in water tank and refrigerant vapour is condensed into liquid, the refrigerant of liquid enters in the refrigerant heat exchanger and liquid refrigerant is sent in evaporator by valve, refrigerant vapour after evaporation is back in the refrigerant heat exchanger, refrigerant vapour after evaporation enters in the absorption subsystem, the absorption subsystem It is back in the desorption device by the solution heat exchanger.The present invention makes that heat makes full use of and economic cost is lower.
Description
Technical field
The present invention relates to technical field of water heaters, specially a kind of combined heat pump absorption system and the hot water using it
Device.
Background technique
Have been used for providing cooling using the thermal activation absorption cycle of various working fluids, refrigeration and heating are for many years.It absorbs
Recycling heat energy is as main energy sources, rather than (the most commonly used is electricity for the mechanical work recycled by vapor compression heat pump
Motivation).The most common working fluid for absorption cycle is ammonium hydroxide (refrigerant-H2O) and lithium bromide-water (LiBr-H2O),
Although there are many more other suitable combinations.Since water is used as the refrigerant of LiBr-H2O system, LiBr-H2O circulation is applicable in
In cooling, but it cannot be used for heat pump application.
Absorption heat pump uses the energy (such as burning, solar energy or waste heat) of greater degree by inferior grade (low temperature) heat
It is transferred to higher, more useful temperature.Obtained cycle performance coefficient (COP) is greater than 1.0 (usually 1.5 to 2.0), depends on
Related circulation and temperature.Service water heating application in, inferior grade heat energy can be indoor or outdoors surrounding air (though
Other sources, such as underground heat so also can be used), and water is heated from (about 50 °F) of typical surface temperature.It is arrived to 100
160.degree。F。
Electric drive Teat pump boiler is commercially available；COP is about 2.0.However, COP is actually on the basis of main fuel
About 0.7, because electrical power is usually generated with about 35% efficiency.Compared with electric heating pump water heater, proposed invention is provided
The discharge of CO 2 is reduced half by significant higher main fuel COP about 1.5.Commercially available routine gas heater has about
The main fuel COP of 0.6 to about 0.82.
One historical problem of absorption equipment is manufacturing cost height, needs many heat exchangers and at least one pump.Cause
This, needs a kind of economically feasible absorption type heat pump system.
Summary of the invention
(1) the technical issues of solving
In view of the deficiencies of the prior art, the present invention provides a kind of combined heat pump absorption system and using its hot water
Device solves the problems, such as that most of water heater preparation cost is excessively high now and heat cannot be made to be fully used.
(2) technical solution
To achieve the above object, the invention provides the following technical scheme: a kind of combined heat pump absorption system, the system
Including desorption device, rectifier, heat exchanger, condenser, refrigerant heat exchanger, valve, evaporator, absorb subsystem, solution
Heat exchanger and recovery pump, the desorption device heat refrigerant, and refrigerant vapour enters in the rectifier simultaneously
And by the way that after rectification the heat exchanger will be equipped in rectifier in condensate return to desorption device, refrigerant vapour with it is described
Heat exchanger carries out heat exchange, and then refrigerant heat exchanger enters in the condenser, the condenser and water tank
It is connected, refrigerant vapour is by the water heating in water tank and refrigerant vapour is condensed into liquid, and the refrigerant of liquid enters
Liquid refrigerant is sent in evaporator in the refrigerant heat exchanger and by valve, the refrigerant vapour after evaporation
It is back in the refrigerant heat exchanger, the refrigerant vapour after evaporation enters in the absorption subsystem, the absorption
Subsystem is back in the desorption device by the solution heat exchanger.
Preferably, the absorption subsystem includes solution cooling absorption device, and the refrigerant vapour after the evaporation enters
In the solution cooling absorption device, the solution heat exchanger is entered after becoming refrigerant liquid after steam agent steam is cooling,
The solution heat exchanger is connected to the desorption device.
Preferably, the refrigerant solution of high pressure is transported in the solution heat exchanger cooling by the desorption device, described
Refrigerant solution after cooling is transported in the solution cooling absorption device by solution heat exchanger by limits device.
Preferably, the absorption subsystem further includes pump and water-cooling cooler, and the refrigerant vapour enters described
To be condensed into refrigerant solution in water-cooling cooler, and flowed in the refrigerant heat exchanger by blowback, the system
Cryogen heat exchanger is connected in the solution cooling absorption device, and the solution cooling absorption device is communicated to the solution heat exchange
Device.
Preferably, the water-cooling cooler is connected to the water tank.
A kind of water heater according to above scheme, the water heater is interior to be equipped with the combined heat pump absorption system,
The water heater further includes flue and condensation pipe, and the desorption device is connected to the flue, the flue
It extends in the water tank, the bottom of the flue is connected to the condensation pipe, and the condensation pipe extends to described
Outside water tank, the top of the flue is connected to the ventilation shaft；The heat exchanger disk is additionally provided in the water tank
The input terminal of pipe, the heat exchanger coil is connected to the Combined Heat Pump System.
Preferably, the surface of the flue is uniformly provided with multiple baffles along its short transverse.
Preferably, the desorption device provides heat by solar energy or waste heat, is additionally provided with Secondary Heat Source in the water tank, institute
State the thermal energy that Secondary Heat Source is solar panel.
(3) beneficial effect
The present invention provides a kind of combined heat pump absorption systems.Have it is following the utility model has the advantages that
The high temperature heat source of burner provides thermal energy to desorption device.This makes refrigerant from being evaporated.It is present in desorption device
In high pressure, the normally about solution of 200-300psia.Refrigerant vapour leaves desorption device, lacks present in refrigerant vapour stream
Amount vapor is removed by the condensation in rectifier, and returns to desorption device by return channel.Refrigerant vapour is by heat transfer
To heat-exchanger surface relatively cold in rectifier, to pass to the fluid in heat exchanger.
Heat is removed from the purification refrigerant vapour in condenser, it is made to be condensed into liquid.It is steamed from the refrigerant of condensation
The heat that vapour is collected is for the water in cylinder.When the water in water tank is heated, such as through heat exchanger, directly
By the refrigerant heat by condenser.In indirect system, the liquid circulation of working fluid connects from the refrigerant in condenser
Receive heat.Then the water of water tank is transferred heat to.Optionally, the flue gas in burning desorption device passes through it from desorption device
Afterwards, some thermal energy in flue gas are then sent to water tank.Certainly, if there is no the heating of flue gas using another
Source, such as solar energy heating, this feature can be by the media used in another heating source by some available heat
Water tank can be transferred to and transfer thermal energy to water tank later to utilize.After heat transfer to generator/desorption device, come from
This further thermal energy transmitting of flue gas improves efficiency.
Liquid refrigerant further cools down in refrigerant heat exchanger, then by limits device be reduced to low pressure (
In the range of about 10 to about 100psia).Then it is evaporated by relatively warm inferior grade energy absorption heat from evaporator
Low pressure liquid refrigerant, thus cooling inferior grade heat source, such as surrounding air.Then the refrigerant of evaporation is advanced in middle heating
To absorption subsystem.It is cooling in solution heat exchanger that high-pressure refrigeration agent solution leaves generator/desorption device.Entering absorber
Before subsystem, cooling weak solution is reduced to lower pressure and temperature using limits device.
In absorbing subsystem, refrigerant vapour is sucked back into weak refrigerant-H2O solution.This is an exothermic process,
Absorption heat must be removed, constantly to continue that absorption process occurs.According to circulation, optionally using solution cooling absorption device
It is recovered in circulation while hot part will be absorbed, heat is allowed to flow to strong solution from weak solution before entering desorption device.Therefore, exist
Make to absorb heat in some refrigerants of front evaporator for entering desorption device in the higher efficiency circulation of option.Remaining absorption heat
Amount is unable to internal recovering and is rejected in low temperature or water-cooling cooler, and the high refrigerant concentration solution for the cooling left is (commonly referred to as
For " strong " solution) high pressure is pumped back to by recovery pump, refrigerant is cooled down and purified by rectifier coil.Steam leaves power generation
Machine, to be preheated before entering desorption device with optionally middle, to start the cycle over.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of combined heat pump absorption system of the present invention；
Fig. 2 is the structural schematic diagram of water heater of the invention.
In figure: 1, desorption device；2, rectifier；3, heat exchanger；4, refrigerant heat exchanger；5, water tank；6, valve；7,
Evaporator；8, subsystem is absorbed；9, solution heat exchanger；10, recovery pump；11, solution cooling absorption device；12, limits device；
13, water-cooling cooler；14, flue；15, condensation pipe；16, ventilation shaft；17, heat exchanger coil；18, combined hot
Pump absorption system；19, baffle；20, Secondary Heat Source；21, condenser.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
As shown in Figure 1, the present invention provides a kind of technical solution:
A kind of combined heat pump absorption system, the system comprises desorption device 1, rectifier 2, heat exchangers 3, condenser
21, refrigerant heat exchanger 4, valve 6, evaporator 7, absorption subsystem 8 and solution heat exchanger 9, the desorption device 1 will systems
Cryogen is heated, refrigerant vapour enter in the rectifier 2 and by after rectification by condensate return to desorption device 1
It is interior, the heat exchanger 3 is equipped in rectifier 2, refrigerant vapour carries out heat with the heat exchanger 3 and exchanges, then freezes
Agent heat exchanger 3 enters in the condenser 21, and the condenser 21 is connected with water tank 5, and refrigerant vapour is by water tank 5
Interior water heating and refrigerant vapour is condensed into liquid, and the refrigerant of liquid enters in the refrigerant heat exchanger 4 simultaneously
And liquid refrigerant is sent in evaporator 7 by valve 6, the refrigerant vapour after evaporation is back to the refrigerant heat and hands over
In parallel operation 4, the refrigerant vapour after evaporation is entered in the absorption subsystem 8, and the absorption subsystem 8 passes through the solution
Heat exchanger 9 is back in the desorption device 1.
In the present embodiment, the absorption subsystem 8 includes solution cooling absorption device 11, and the refrigerant after the evaporation steams
Vapour enters in the solution cooling absorption device 11, enters the solution after becoming refrigerant liquid after steam agent steam is cooling
Heat exchanger 9, the solution heat exchanger 9 are connected to the desorption device 1.
In the present embodiment, the refrigerant solution of high pressure is transported to cold in the solution heat exchanger 9 by the desorption device 1
But, refrigerant solution after cooling is transported to the solution cooling absorption by limits device 12 by the solution heat exchanger 9
In device 11.
In the present embodiment, the absorption subsystem 8 further includes recovery pump 10 and water-cooling cooler 13, the refrigerant
Steam enters to be condensed into refrigerant solution in the water-cooling cooler 13, and flows back into the system by recovery pump 10
In cryogen heat exchanger 4, the refrigerant heat exchanger 4 is connected in the solution cooling absorption device 11, and the solution is cooling
Absorber 11 is communicated to the solution heat exchanger 9.
In the present embodiment, the water-cooling cooler 13 is connected to the water tank 5.
A kind of described water heater according to above-described embodiment as shown in Figure 2, the water heater are interior equipped with described
Combined heat pump absorption system 18, the water heater further include flue 14 and condensation pipe 15, and the desorption device 1 is connected to
The flue 14, the flue 14 extend in the water tank 5, described in the bottom connection of the flue 14
Condensation pipe 15, the condensation pipe 15 extend to outside the water tank 5, and the top of the flue 14 is connected to the ventilation
Pipeline 16；The heat exchanger coil 17 is additionally provided in the water tank 5, the input terminal of the heat exchanger coil 17 is connected to institute
State combined heat pump absorption system 18.
In the present embodiment, the surface of the flue 14 is uniformly provided with multiple baffles 19 along its short transverse.Effectively
Reduce the amount of discharge solid particulate matter.
In the present embodiment, the desorption device 1 provides heat by solar energy or waste heat, and the is additionally provided in the water tank 5
Two heat sources 20, the Secondary Heat Source 20 are the thermal energy of solar panel.
In Fig. 1-2, the high temperature heat source of burner provides thermal energy to desorption device 1.This makes refrigerant from being evaporated.It deposits
The high pressure being in desorption device 1, the normally about solution of 200-300psia.Refrigerant vapour leaves desorption device 1, refrigerant vapour
A small amount of vapor present in stream is removed by the condensation in rectifier 2, and returns to desorption device 1 by return channel.Refrigerant
Steam transfers heat to relatively cold 3 surface of heat exchanger in rectifier 2, to pass to the fluid in heat exchanger 3.
Heat is removed from the purification refrigerant vapour in condenser 21, it is made to be condensed into liquid.From the refrigerant of condensation
The heat that steam is collected is for the water in cylinder 5.When the water in water tank 5 is heated, such as through heat exchanger,
Refrigerant heat directly by passing through condenser 21.In indirect system, the liquid circulation of working fluid is from condenser 21
Refrigerant receives heat.Then the water of water tank 5 is transferred heat to.Optionally, the flue gas in burning desorption device 1 is from solution
After haustorium 1 passes through, some thermal energy in flue gas are then sent to water tank 5.
Liquid refrigerant further cools down in refrigerant heat exchanger 4, is then reduced to low pressure by limits device 12
(in the range of about 10 to about 100psia).Then by relatively warm inferior grade energy absorption heat from evaporator 7 come
Evaporating low pressure liquid refrigerant, thus cooling inferior grade heat source, such as surrounding air.The refrigerant of evaporation is in middle heating, then
It advances to and absorbs subsystem 8.It is cooling in solution heat exchanger 9 that high-pressure refrigeration agent solution leaves desorption device 1.Son is absorbed entering
Before system 8, cooling weak solution is reduced to lower pressure and temperature using limits device 12.
In absorbing subsystem 8, refrigerant vapour is sucked back into weak refrigerant-H2O solution.This is a heat release
Journey, it is necessary to constantly remove and absorb heat, to continue that absorption process occurs.It, can using solution cooling absorption device 11 according to circulation
It is recovered in circulation while hot part will optionally be absorbed, heat is allowed to flow to strong solution from weak solution before entering desorption device 1.
Therefore, in the higher efficiency circulation for making option, heat is absorbed in some refrigerants of front evaporator for entering desorption device 1.It is remaining
Absorption heat be unable to internal recovering and be rejected in low temperature or water-cooling cooler, the high refrigerant concentration solution for the cooling left
(commonly referred to as " strong " solution) is pumped back to high pressure by recovery pump 10, by 2 coil of rectifier to cool down and purify refrigerant.It steams
Vapour leaves generator, to preheat before entering desorption device with optionally middle, to start the cycle over.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in process, method, article or equipment including the element.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (8)
1. a kind of combined heat pump absorption system, it is characterised in that: the system comprises desorption device (1), rectifier (2), heat to hand over
Parallel operation (3), refrigerant heat exchanger (4), valve (6), evaporator (7), absorbs subsystem (8) and solution at condenser (21)
Heat exchanger (9), the desorption device (1) heat refrigerant, refrigerant vapour enter in the rectifier (2) and
By, by condensate return to desorption device (1), being equipped with the heat exchanger (3) in rectifier (2), refrigerant vapour after rectification
It carries out heat with the heat exchanger (3) to exchange, then refrigerant heat exchanger (3) enters in the condenser (21), institute
It states condenser (21) to be connected with water tank (5), refrigerant vapour is by the water heating in water tank (5) and refrigerant vapour condenses
At liquid, the refrigerant of liquid enters in the refrigerant heat exchanger (4) and passes through valve (6) for liquid refrigerant pressure
It is sent in evaporator (7), the refrigerant vapour after evaporation is back in the refrigerant heat exchanger (4), the refrigeration after evaporation
Agent steam enters in the absorption subsystem (8), and the absorption subsystem (8) is flowed back by the solution heat exchanger (9)
In to the desorption device (1).
2. a kind of combined heat pump absorption system according to claim 1, it is characterised in that: the absorption subsystem (8)
Including solution cooling absorption device (11), the refrigerant vapour after the evaporation is entered in the solution cooling absorption device (11),
It is entered the solution heat exchanger (9) after becoming refrigerant liquid after steam agent steam is cooling, the solution heat exchanger (9)
It is connected to the desorption device (1).
3. a kind of combined heat pump absorption system according to claim 1, it is characterised in that: the desorption device (1) will be high
The refrigerant solution of pressure is transported in the solution heat exchanger (9) cooling, and the solution heat exchanger (9) is by system after cooling
Cryogen solution is transported in the solution cooling absorption device (11) by limits device (12).
4. a kind of combined heat pump absorption system according to claim 1, it is characterised in that: the absorption subsystem (8)
Further include recovery pump (10) and water-cooling cooler (13), the refrigerant vapour enter in the water-cooling cooler (13) from
And it is condensed into refrigerant solution, and flow back into the refrigerant heat exchanger (4) by recovery pump (10), the refrigerant
Heat exchanger (4) is connected in the solution cooling absorption device (11), and the solution cooling absorption device (11) is communicated to described molten
Liquid heat exchanger (9).
5. a kind of combined heat pump absorption system according to claim 1, it is characterised in that: the water-cooling cooler (13)
It is connected to the water tank (5).
6. a kind of water heater according to claim 1-5, it is characterised in that: be equipped with described group in the water heater
Box-like heat pump system (18), the water heater further include flue (14) and condensation pipe (15), and the desorption device (1) is even
Lead to the flue (14), the flue (14) extends in the water tank (5), the bottom of the flue (14)
Portion is connected to the condensation pipe (15), and the condensation pipe (15) extends to the water tank (5) outside, the flue (14)
Top be connected to the ventilation shaft (16)；It is additionally provided with the heat exchanger coil (17) in the water tank (5), the heat is handed over
The input terminal of exchanger coil (17) is connected to the combined heat pump absorption system (18).
7. a kind of water heater according to claim 6, it is characterised in that: the surface of the flue (14) is along its height
Direction is uniformly provided with multiple baffles (19).
8. a kind of water heater according to claim 6, it is characterised in that: the desorption device (1) is mentioned by solar energy or waste heat
Heating load, the water tank (5) is interior to be additionally provided with Secondary Heat Source (20), and the Secondary Heat Source is the heat of (20) solar panel
Energy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811124004.5A CN109595851A (en) | 2018-09-26 | 2018-09-26 | A kind of combined heat pump absorption system and the water heater using it |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811124004.5A CN109595851A (en) | 2018-09-26 | 2018-09-26 | A kind of combined heat pump absorption system and the water heater using it |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109595851A true CN109595851A (en) | 2019-04-09 |
Family
ID=65957163
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811124004.5A Pending CN109595851A (en) | 2018-09-26 | 2018-09-26 | A kind of combined heat pump absorption system and the water heater using it |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1177712A (en) * | 1997-09-25 | 1998-04-01 | 江苏双良集团 | Direct-burning type lithium bromide absorption type heat pump set system |
| CN1427225A (en) * | 2001-12-17 | 2003-07-02 | 清华大学 | Direct burning adsorption type cold and warm water machine set |
| CN101059290A (en) * | 2007-05-25 | 2007-10-24 | 东南大学 | Ammonia absorption type refrigeration and hot pump dual-purpose system and cool and heat supply method |
| CN103256750A (en) * | 2013-05-28 | 2013-08-21 | 烟台荏原空调设备有限公司 | Absorption heat pump unit |
| CN106091474A (en) * | 2016-06-17 | 2016-11-09 | 珠海格力电器股份有限公司 | Ammonia absorption compression-type refrigeration/heat pump and heat-exchange method |
-
2018
- 2018-09-26 CN CN201811124004.5A patent/CN109595851A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1177712A (en) * | 1997-09-25 | 1998-04-01 | 江苏双良集团 | Direct-burning type lithium bromide absorption type heat pump set system |
| CN1427225A (en) * | 2001-12-17 | 2003-07-02 | 清华大学 | Direct burning adsorption type cold and warm water machine set |
| CN101059290A (en) * | 2007-05-25 | 2007-10-24 | 东南大学 | Ammonia absorption type refrigeration and hot pump dual-purpose system and cool and heat supply method |
| CN103256750A (en) * | 2013-05-28 | 2013-08-21 | 烟台荏原空调设备有限公司 | Absorption heat pump unit |
| CN106091474A (en) * | 2016-06-17 | 2016-11-09 | 珠海格力电器股份有限公司 | Ammonia absorption compression-type refrigeration/heat pump and heat-exchange method |
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