CN205478135U - Solar energy spotlight thermal -arrest power generation facility based on absorption heat pump - Google Patents
Solar energy spotlight thermal -arrest power generation facility based on absorption heat pump Download PDFInfo
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- CN205478135U CN205478135U CN201620184400.7U CN201620184400U CN205478135U CN 205478135 U CN205478135 U CN 205478135U CN 201620184400 U CN201620184400 U CN 201620184400U CN 205478135 U CN205478135 U CN 205478135U
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- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
- Y02E10/46—Conversion of thermal power into mechanical power, e.g. Rankine, Stirling or solar thermal engines
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- Sorption Type Refrigeration Machines (AREA)
Abstract
The utility model discloses a solar energy spotlight thermal -arrest power generation facility based on absorption heat pump, including solar energy spotlight thermal -arrest unit, absorption heat pump unit and power electrical cell, solar energy spotlight thermal -arrest unit is used for receiving and assembling the solar radiation energy, is medium temperature heat energy through heat transfer medium with the solar radiation conversion of energy who receives to carry the unit for absorption heat pump with this heat energy, driving heat source is regarded as with the heat transfer medium by the solar heating to the absorption heat pump unit, utilizes the absorbent to send out heat and absorb heat with the desorption process the absorption of refrigerant, changes medium temperature heat energy into high temperature heat energy, produces high temperature high pressure steam and carries for power electrical cell, power electrical cell through steam turbine and generating set, is the electric energy with the heat energy conversion and the output of receiving, the utility model provides a problem of the low power cycle inefficiency that leads to of solar thermal power generation system steam condition, realized that the high -efficient of solar energy utilizes, is fit for scale solar thermal energy generation technology.
Description
Technical field
This utility model belongs to solar energy generation technology field, relates to a kind of sun based on absorption heat pump
Can light and heat collection TRT.
Background technology
Solar energy thermal-power-generating technology is to utilize Salar light-gathering technology that solar radiant energy is converted into high-temperature hot
Can, then generated electricity by thermodynamic cycle.Difference according to light condensing technology is by solar heat power generation system
Being divided into slot type, tower and dish-style three class, current trough type solar power generation technology is the most ripe, existing business
Industry power station is run.But heat-transfer working medium, usually conduction oil, gasification point is relatively low, thus hot operation bar
Causing going bad under part, the maximum operating temperature of currently used conduction oil should not be higher than 400 DEG C, steam turbine
Entrance main steam condition is a maximum of about of 370 DEG C to 380 DEG C, and the relatively low system that seriously constrains of main steam condition is sent out
The lifting of electrical efficiency, largely have impact on the development of trough type solar power generation technology.
Further, since the abundant degree direct influence of solar energy resources the performance of solar heat power generation system,
Therefore solar heat power generation system generally builds the arid area, desert enriched at solar energy resources.Traditional
Solar heat power generation system turbine discharge, using water as cooling medium, can expend substantial amounts of cooling water, no
Being applicable to arid area, desert, air cooling system is with air as cooling medium, and the abundant area of solar energy resources
Ambient temperature is higher, makes turbine back pressure higher, and power generation performance is a greater impact.
Utility model content
This utility model solves the problem in that offer solar energy light gathering and heat collecting based on absorption heat pump generating
Device, can solve the difficult problem that current groove type solar independent heat generating system main steam condition is low, again can
Realize system water saving.
This utility model is to be achieved through the following technical solutions:
A kind of solar energy light gathering and heat collecting TRT based on absorption heat pump, including:
Solar energy light gathering and heat collecting unit: receive and converge solar radiant energy and heat heat-transfer working medium, heat heat transfer work
Matter flows to absorption type heat pump unit as middle temperature-heat-source；Solar energy light gathering and heat collecting unit and absorption heat pump
Connect through heat-transfer working medium circulation line between unit；
Absorption type heat pump unit: using heated heat-transfer working medium as driving heat source, utilizes absorbent to system
The absorption of cryogen and desorption process carry out heat release and heat absorption transmission, and when heat release, heating working medium produces high-temperature hot
Dynamic power unit and can be passed to, when heat absorption with heat-transfer working medium heat exchange return to Salar light-gathering collection
Hot cell；Absorption type heat pump unit is connected through water circulation pipe with dynamic power unit；
Dynamic power unit: the High Temperature High Pressure that the energy heats utilizing absorption type heat pump unit to transmit generates is steamed
Vapour, is converted into electric energy by steam turbine and generating set by the heat energy of reception and exports.
Described solar energy light gathering and heat collecting unit includes solar energy condenser lens field, heat extractor and heat-transfer working medium pump,
Wherein solar energy condenser lens field receives and converges solar radiation energy and passes to heat extractor, in heat extractor
Heat-transfer working medium be heated to form heat transfer medium temperature working medium, heat transfer medium temperature working medium flows to absorption heat pump by the road
Unit；Heat-transfer working medium after heat transfer is returned through heat-transfer working medium pump and is delivered to heat extractor by absorption type heat pump unit
In.
Described absorption type heat pump unit includes generator, condenser, vaporizer and absorber, wherein occurs
Connect between device, condenser, vaporizer and absorber and have refrigerant circulation line；Cold-producing medium and absorption,
The absorbent solution composition working medium pair of refrigeration by adsorption agent, is connected between generator with absorber and has working medium to following
Endless tube road；The circulation line of dynamic power working medium it is also associated with between vaporizer, absorber and condenser；
The heat-transfer working medium entrance of generator connects with the heat-transfer working medium outlet of the heat extractor of solar energy light gathering and heat collecting unit
Connecing, the heat-transfer working medium outlet of generator is connected with the heat-transfer working medium entrance of heat extractor.
The connection of described refrigerant circulation line is:
The refrigerant outlet of generator connects the refrigerant inlet of condenser, and the refrigerant outlet of condenser leads to
Crossing choke valve and connect the refrigerant inlet of vaporizer, the refrigerant outlet of vaporizer connects the refrigeration of absorber
Agent entrance.
The connection of circulation line is by described working medium:
Weak solution is entered by the working medium that the working medium of absorber connects generator to weak solution outlet by circulating pump
Mouthful；The working medium of generator connects the working medium of absorber to concentrated solution entrance to concentrated solution outlet.
The connection of the circulation line of described dynamic power working medium is:
The condensation entrance of vaporizer is connected with the steam drain of dynamic power unit, and condensate outlet is through condensing water
Pump is connected with absorber heat exchanging entrance, wherein on pipeline pipe also with feed-water heater heat exchange, absorber changes
Heat outlet is connected with condenser heat exchange entrance, condenser heat exchange outlet output high temperature and high pressure steam.
Described dynamic power unit includes steam turbine, electromotor, condensate pump and feed-water heater, wherein,
The high temperature and high pressure steam that absorption type heat pump unit produces enters steam turbine acting, drives electromotor output electric energy；
Turbine discharge after generating enters the condensation of absorption type heat pump unit, and condensed water returns through condensate pump boosting
Absorption type heat pump unit heats, and preheats through feed-water heater on return pipeline.
Described feed-water heater is connected by bleed steam pipework with steam turbine, with extraction steam for return
Condensed water preheating on pipeline.
Compared with prior art, this utility model has a following useful technique effect:
1, the solar energy light gathering and heat collecting TRT based on absorption heat pump that this utility model provides, due to
Solar energy light gathering and heat collecting is combined with absorption heat pump, the solar radiation energy that will be received by heat-transfer working medium
It is converted into the middle warm energy of 300 DEG C～400 DEG C, then by including cold-producing medium and absorption, the suction of refrigeration by adsorption agent
Receive agent solution composition working medium pair, utilize absorbent that with desorption process, the absorption of cold-producing medium is carried out heat release and suction
Heat, it is achieved carry heat energy from low temperature to high temperature, middle warm can be changed into the high temperature heat of more than 500 DEG C.
Compare to traditional solar heat power generation system, available higher power cycle efficiency, it is achieved solar energy
High-quality conversion.Solve that groove type solar independent heat generating system steam parameter is low causes power cycle to be imitated
The problem that rate is low, it is achieved that the efficient utilization of solar energy, is suitable for the hot generation technology of large-scale solar energy.
2, the solar energy light gathering and heat collecting TRT based on absorption heat pump that this utility model provides, due to
The vaporizer of absorption heat pump is used for the condensation of turbine discharge, and the condensed water produced is again through waste heat
Enter absorber afterwards, condenser carries out heat exchange, on the one hand decreases the solidifying of solar heat power generation system
The amount of bearing water, makes solar heat power generation system be applicable to hot arid area；On the other hand improve again energy
Make full use of, improve utilization efficiency of heat energy.
3, the solar energy light gathering and heat collecting TRT based on absorption heat pump that this utility model provides, extensively
It is applicable to various solar heat power generation system, such as slot type, tower, dish-style, the linear Fresnel formula sun
Can heat generating system.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
In figure: 1-solar energy condenser lens field；2-heat extractor；3-heat-transfer working medium pump；4-generator；5-condenses
Device；6-vaporizer；7-absorber；8-choke valve；9-circulating pump；10-steam turbine；11-electromotor；12-
Condensate pump；13-feed-water heater.
Detailed description of the invention
Below in conjunction with specific embodiment, this utility model is described in further detail, described in be to this
The explanation of utility model rather than restriction.
See Fig. 1, a kind of solar energy light gathering and heat collecting TRT based on absorption heat pump, including:
Solar energy light gathering and heat collecting unit: receive and converge solar radiant energy and heat heat-transfer working medium, heat heat transfer work
Matter flows to absorption type heat pump unit as middle temperature-heat-source；Solar energy light gathering and heat collecting unit and absorption heat pump
Connect through heat-transfer working medium circulation line between unit；
Absorption type heat pump unit: using heated heat-transfer working medium as driving heat source, utilizes absorbent to system
The absorption of cryogen and desorption process carry out heat release and heat absorption transmission, and when heat release, heating working medium produces high-temperature hot
Dynamic power unit and can be passed to, when heat absorption with heat-transfer working medium heat exchange return to Salar light-gathering collection
Hot cell；Absorption type heat pump unit is connected through water circulation pipe with dynamic power unit；
Dynamic power unit: the High Temperature High Pressure that the energy heats utilizing absorption type heat pump unit to transmit generates is steamed
Vapour, is converted into electric energy by steam turbine and generating set by the heat energy of reception and exports.
Wherein, solar energy light gathering and heat collecting unit, for receiving the solar radiant energy of convergence, by heat transfer work
The solar radiation energy of reception is converted into middle warm energy by matter, and in this, in the conduct of warm energy, temperature-heat-source flows to
Absorption type heat pump unit；
Absorption type heat pump unit, to be absorbed as driving heat source, utilization by the heat-transfer working medium of solar energy heating
Agent carries out heat release and heat absorption to the absorption of cold-producing medium with desorption process, it is achieved carry heat energy from low temperature to high temperature,
Middle warm can be changed into the high temperature heat of more than 500 DEG C, flow to dynamic power unit；
Dynamic power unit, is used for the energy heats working-medium water of more than 500 DEG C of absorption type heat pump unit,
Be converted to high temperature and high pressure steam, by steam turbine and generating set, the heat energy of reception be converted into electric energy defeated
Go out.
Below unit is specifically described.
Solar energy light gathering and heat collecting unit includes solar energy condenser lens field 1, heat extractor 2 and heat-transfer working medium pump 3,
Wherein solar energy condenser lens field 1 receives and converges solar radiation energy, and by this solar radiation energy
Passing to heat extractor 2, the heat-transfer working medium in heating heat extractor 2 produces heat transfer medium temperature working medium, by sun spoke
Penetrate energy and be converted into heat energy, then the heat transfer medium temperature working medium of generation is defeated by absorption type heat pump unit.Heat transfer
Working medium pump 3 is for pumping out to heat extractor 2 by the heat-transfer working medium in absorption type heat pump unit, it is achieved heat transfer work
Recycling of matter.
Absorption type heat pump unit includes generator 4, condenser 5, vaporizer 6 and absorber 7, Qi Zhongfa
Raw device 4, condenser 5, connect between vaporizer 6 and absorber 7 and have refrigerant circulation line；Cold-producing medium
With absorption, the absorbent solution composition working medium pair of refrigeration by adsorption agent, connect between generator 4 and absorber 7
It is connected to working medium to circulation line；It is also associated with power between vaporizer 6, absorber 7 and condenser 5 to send out
The circulation line of electrician's matter；The heat-transfer working medium entrance of generator 4 and the heat absorption of solar energy light gathering and heat collecting unit
The heat-transfer working medium outlet of device 2 connects, the heat-transfer working medium outlet of generator 4 and the heat-transfer working medium of heat extractor 2
Entrance connects.
Wherein, the refrigerant outlet of generator 4 connects the refrigerant inlet of condenser 5, condenser 5
Refrigerant outlet connects the refrigerant inlet of vaporizer 6 by choke valve 8, and the cold-producing medium of vaporizer 6 goes out
Mouth connects the refrigerant inlet of absorber 7；
The working medium of absorber 7 connects the weak solution entrance of generator 4 to weak solution outlet by circulating pump 9,
The working medium of generator 4 connects the working medium of absorber 7 to concentrated solution entrance to concentrated solution outlet；
The heat-transfer working medium entrance of generator 4 exports with the heat-transfer working medium of heat extractor 2 and is connected, generator 4
Heat-transfer working medium outlet is connected with the heat-transfer working medium entrance of heat extractor 2.
The condensation entrance of vaporizer 6 is connected with the steam drain of dynamic power unit, and condensate outlet is through condensing
Water pump 12 is connected with absorber 7 heat exchange entrance, wherein on pipeline pipe also with feed-water heater 13 heat exchange,
Absorber 7 heat exchange outlet is connected with condenser 5 heat exchange entrance, condenser 5 heat exchange outlet output high temperature
High steam.
In absorption type heat pump unit, working media includes that the absorbent of cold-producing medium and absorption, refrigeration by adsorption agent is molten
Liquid, the two forms working medium pair；Heat-transfer working medium is utilized to heat by circulating pump 9 from absorber in generator 4
What 7 conveyings came has certain density solution, and makes the most of low boiling point refrigerant in solution evaporate
Come；Refrigerant vapour enters in condenser 5, and the working-medium water of dynamic power unit is heated into High Temperature High Pressure
Steam, meanwhile, the cold-producing medium medium that is cooled is condensed into refrigerant liquid, then is depressured to steam through choke valve 8
Send out pressure；Cold-producing medium warp knuckle stream enters in vaporizer 6, absorbs the heat of turbine discharge and is excited into steaming
Send out the refrigerant vapour under pressure, meanwhile, turbine discharge is condensed into liquid；Warp in generator 4
The remaining concentrated solution of generating process drops to evaporating pressure through choke valve 8 and enters in absorber 7, and from evaporation
Device 6 low pressure refrigerant vapor out mixes mutually, absorbs low pressure refrigerant vapor and returns to original dense
Degree；Absorption process is exothermic process, the feedwater heating that will come from feed-water heater；In absorber 7 extensive
The solution having answered concentration continues cycling through in feeding generator 4 again after circulating pump 9 boosts.
Dynamic power unit includes steam turbine 10, electromotor 11, condensate pump 12, wherein, absorption
The high temperature and high pressure steam that condenser 5 in heat pump unit produces enters steam turbine 10 and does work, and drives electromotor
11 output electric energy.Turbine discharge after generating enters the condensation of absorption type heat pump unit, and condensed water is through condensing
Water pump 12 boosting returns the heating of absorption type heat pump unit, preheats through feed-water heater 13 on return pipeline.
Feed-water heater 13 is connected by bleed steam pipework with steam turbine 10, with extraction steam as return pipeline
On condensed water preheating.
The vaporizer 6 of the turbine discharge entrance absorption type heat pump unit after steam turbine 10 generating condenses,
The condensed water generated is boosted by condensate pump 12, sequentially enters absorber after feed-water heater 13 preheats
7 and condenser 5 heat exchange, generate high temperature and high pressure steam and enter back into steam turbine, complete dynamic power unit
Cyclic process.
Owing to solar energy light gathering and heat collecting is combined by this utility model with absorption heat pump, by the middle temperature optically focused sun
Heat generating temperature promotes, and compares to traditional solar heat power generation system, available higher power cycle effect
Rate, it is achieved the high-quality conversion of solar energy.Solve groove type solar independent heat generating system steam parameter low
Cause the inefficient problem of power cycle, it is achieved that the efficient utilization of solar energy, be suitable for large-scale solar energy
Hot generation technology.Owing to the vaporizer of absorption heat pump to be used for the condensation of turbine discharge, decrease too
The condensing capacity of sun energy heat generating system, makes solar heat power generation system be applicable to hot arid area
Particular embodiments described above, enters the purpose of this utility model, technical scheme and beneficial effect
Go further description, it should be understood that the foregoing is only of the present utility model is embodied as
Example, is not limited to this utility model, all within spirit of the present utility model and principle, institute
Any modification, equivalent substitution and improvement etc. done, within should be included in protection domain of the present utility model.
Claims (8)
1. a solar energy light gathering and heat collecting TRT based on absorption heat pump, it is characterised in that including:
Solar energy light gathering and heat collecting unit: receive and converge solar radiant energy and heat heat-transfer working medium, heat heat transfer work
Matter flows to absorption type heat pump unit as middle temperature-heat-source；Solar energy light gathering and heat collecting unit and absorption heat pump
Connect through heat-transfer working medium circulation line between unit；
Absorption type heat pump unit: using heated heat-transfer working medium as driving heat source, utilizes absorbent to system
The absorption of cryogen and desorption process carry out heat release and heat absorption transmission, and when heat release, heating working medium produces high-temperature hot
Dynamic power unit and can be passed to, when heat absorption with heat-transfer working medium heat exchange return to Salar light-gathering collection
Hot cell；Absorption type heat pump unit is connected through water circulation pipe with dynamic power unit；
Dynamic power unit: the High Temperature High Pressure that the energy heats utilizing absorption type heat pump unit to transmit generates is steamed
Vapour, is converted into electric energy by steam turbine and generating set by the heat energy of reception and exports.
2. solar energy light gathering and heat collecting TRT based on absorption heat pump as claimed in claim 1, its
Being characterised by, described solar energy light gathering and heat collecting unit includes solar energy condenser lens field (1), heat extractor (2)
With heat-transfer working medium pump (3), wherein solar energy condenser lens field (1) receives and converges solar radiation energy also
Passing to heat extractor (2), the heat-transfer working medium in heat extractor (2) is heated to form heat transfer medium temperature working medium, middle temperature
Heat-transfer working medium flows to absorption type heat pump unit by the road；Absorption type heat pump unit is by the heat transfer work after heat transfer
Matter is returned through heat-transfer working medium pump (3) and is delivered in heat extractor (2).
3. the solar energy light gathering and heat collecting TRT based on absorption heat pump described in claim 1 or 2,
It is characterized in that, described absorption type heat pump unit includes generator (4), condenser (5), vaporizer (6)
With absorber (7), wherein generator (4), condenser (5), vaporizer (6) and absorber (7)
Between connect have refrigerant circulation line；Cold-producing medium and absorption, the absorbent solution composition of refrigeration by adsorption agent
Working medium pair, is connected between generator (4) with absorber (7) and has working medium to circulation line；Vaporizer (6),
The circulation line of dynamic power working medium it is also associated with between absorber (7) and condenser (5)；Generator
(4) heat-transfer working medium entrance exports with the heat-transfer working medium of the heat extractor (2) of solar energy light gathering and heat collecting unit
Connecting, the heat-transfer working medium outlet of generator (4) is connected with the heat-transfer working medium entrance of heat extractor (2).
4. the solar energy light gathering and heat collecting TRT based on absorption heat pump described in claim 3, it is special
Levying and be, the connection of described refrigerant circulation line is:
The refrigerant outlet of generator (4) connects the refrigerant inlet of condenser (5), condenser (5)
Refrigerant outlet by choke valve (8) connect vaporizer (6) refrigerant inlet, vaporizer (6)
Refrigerant outlet connect absorber (7) refrigerant inlet.
5. the solar energy light gathering and heat collecting TRT based on absorption heat pump described in claim 3, it is special
Levying and be, the connection of circulation line is by described working medium:
The working medium of absorber (7) connects the work of generator (4) to weak solution outlet by circulating pump (9)
Confrontation weak solution entrance；The working medium of generator (4) connects the working medium of absorber (7) to concentrated solution outlet
To concentrated solution entrance.
6. the solar energy light gathering and heat collecting TRT based on absorption heat pump described in claim 3, it is special
Levying and be, the connection of the circulation line of described dynamic power working medium is:
The condensation entrance of vaporizer (6) is connected with the steam drain of dynamic power unit, and condensate outlet is through solidifying
Bear water pump (12) to be connected with absorber (7) heat exchange entrance, wherein go back and feed-water heater on pipeline pipe
(13) heat exchange, absorber (7) heat exchange outlet is connected with condenser (5) heat exchange entrance, condenser
(5) heat exchange outlet output high temperature and high pressure steam.
7. the solar energy light gathering and heat collecting TRT based on absorption heat pump as described in claim 1 or 3,
It is characterized in that, described dynamic power unit includes steam turbine (10), electromotor (11), condensate pump
(12) high temperature and high pressure steam that and feed-water heater (13), wherein, absorption type heat pump unit produces enters
Steam turbine (10) is done work, and drives electromotor (11) output electric energy；Turbine discharge after generating enters
Absorption type heat pump unit condenses, and condensed water returns absorption type heat pump unit through condensate pump (12) boosting and adds
Heat, preheats through feed-water heater (13) on return pipeline.
8. solar energy light gathering and heat collecting TRT based on absorption heat pump as claimed in claim 7, its
Being characterised by, described feed-water heater (13) is connected by bleed steam pipework with steam turbine (10),
With extraction steam as return pipeline on condensed water preheating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620184400.7U CN205478135U (en) | 2016-03-10 | 2016-03-10 | Solar energy spotlight thermal -arrest power generation facility based on absorption heat pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620184400.7U CN205478135U (en) | 2016-03-10 | 2016-03-10 | Solar energy spotlight thermal -arrest power generation facility based on absorption heat pump |
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ID=56657006
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105649901A (en) * | 2016-03-10 | 2016-06-08 | 中国华能集团清洁能源技术研究院有限公司 | Solar light-condensation and heat-collection power generation device based on absorption heat pump |
| CN106288496A (en) * | 2016-08-29 | 2017-01-04 | 华北电力大学 | A kind of predrying system of raw coal based on solar absorption heat pump |
| CN108645073A (en) * | 2018-05-03 | 2018-10-12 | 昆明理工大学 | A kind of absorption system of solar energy energy supply |
-
2016
- 2016-03-10 CN CN201620184400.7U patent/CN205478135U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105649901A (en) * | 2016-03-10 | 2016-06-08 | 中国华能集团清洁能源技术研究院有限公司 | Solar light-condensation and heat-collection power generation device based on absorption heat pump |
| CN105649901B (en) * | 2016-03-10 | 2018-11-30 | 中国华能集团清洁能源技术研究院有限公司 | A kind of solar energy light gathering and heat collecting power generator based on absorption heat pump |
| CN106288496A (en) * | 2016-08-29 | 2017-01-04 | 华北电力大学 | A kind of predrying system of raw coal based on solar absorption heat pump |
| CN108645073A (en) * | 2018-05-03 | 2018-10-12 | 昆明理工大学 | A kind of absorption system of solar energy energy supply |
| CN108645073B (en) * | 2018-05-03 | 2023-12-26 | 昆明理工大学 | Solar energy-powered absorption refrigeration system |
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