CN104613670A - Solar thermal lithium bromide-water absorbing refrigerator - Google Patents
Solar thermal lithium bromide-water absorbing refrigerator Download PDFInfo
- Publication number
- CN104613670A CN104613670A CN201510077573.9A CN201510077573A CN104613670A CN 104613670 A CN104613670 A CN 104613670A CN 201510077573 A CN201510077573 A CN 201510077573A CN 104613670 A CN104613670 A CN 104613670A
- Authority
- CN
- China
- Prior art keywords
- solution
- water
- absorber
- lithium bromide
- port
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- 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
- F25B27/00—Machines, plants or systems, using particular sources of energy
- F25B27/002—Machines, plants or systems, using particular sources of energy using solar energy
- F25B27/007—Machines, plants or systems, using particular sources of energy using solar energy in sorption type systems
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2500/00—Problems to be solved
- F25B2500/01—Geometry problems, e.g. for reducing size
-
- 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
- F25B2500/00—Problems to be solved
- F25B2500/05—Cost reduction
-
- 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
- F25B2500/00—Problems to be solved
- F25B2500/17—Size reduction
-
- 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
- F25B2500/00—Problems to be solved
- F25B2500/21—Reduction of parts
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Sorption Type Refrigeration Machines (AREA)
Abstract
The invention relates to a solar thermal lithium bromide-water absorbing refrigerator formed by connecting a solar heater (1), a solution heat exchanger (2), a wet curtain fan (3), a solution circulation pump (4), an absorber (5), an evaporator (6), a water supplement device (7), a coolant water circulation pump (8) and a cold supply terminal (9). Low-concentration solution is driven by the solution circulation pump, is heated by the solution heat exchanger and then arrives at the solar heater; the low-concentration solution is continually heated for evaporating water until that gas-liquid state corresponding the concentration and vapor content of air are balanced, and high-concentration solution is obtained; the high-concentration solution is cooled by the solution heat exchanger and cooled by the wet curtain fan and is then returned to the absorber; the high-concentration solution in the absorber absorbs vapor from the evaporator and turns into low-concentration solution; solution circulation is complete. After evaporating, the coolant water outputs cold and returns to the evaporator, and coolant water circulation is complete. The solar thermal lithium bromide-water absorbing refrigerator has the advantages such as energy saving, environment friendliness, low cost, high practicality and the like.
Description
Technical field
The present invention relates to solar energy and sorption type refrigerating technology field, particularly a kind of lithium bromide-water absorption refrigerating plant utilizing solar heat.
Background technology
The refrigeration modes of solar heat lithium bromide-water absorption type refrigeration to be a kind of with solar heat be driving heat source, take water as cold-producing medium, with lithium bromide-aqueous solution for absorbent, produces the absorption type refrigerating unit of more than 0 DEG C cold water.Its distinguishing feature utilizes solar heat for driving heat source, a large amount of using electricity wisely or other high-grade thermals source, friction, and noise is little, odorless, nontoxic, meets environmental requirement, is the focus of current air-conditioning technical field research.
But the reasons such as because coefficient of refrigerating performance is low, volume is large, and material cost is expensive, up to the present, in this Technological Economy, feasibility is also not high, and use occasion is limited by very large, and is not especially in progress especially in family expenses, minitype air conditioner.
Existing solar airconditioning, comprise: solar vacuum heat-collecting pipe bunch, generator, condenser, evaporimeter, solution heat exchanger, injector, absorber, solution pump and cryogenic fluid pump composition, adopt vacuum heat-collecting tube bundle to collect solar energy heating water, drive Absorption Refrigerator with hot water.From the weak solution that absorber flows out, flow through solution heat exchanger through solution pump boosting and enter generator, by hot water heating that solar energy produces in generator, produce water vapour, be condensed into concentrated solution, then get back to absorber through solution heat exchanger, the water vapour absorbing flash-pot becomes weak solution again, completes solution loop; The water vapour produced in generator, flows into condenser and condenses into water as refrigerant, after enter in evaporimeter and evaporate, produce refrigeration, the water vapour of evaporation enters absorber and is absorbed by solution, completes water as refrigerant loop.
Above-mentioned refrigerating plant cost is high, maintenance capacity large, complex structure, practicality are poor, and reason is:
(1) this refrigerating plant is the vacuum refrigerator that seal is strong, is pressure vessel, and metal wastage is large, and air-tightness requires high, and maintenance capacity is large.
(2) solar vacuum heat-collecting pipe bunch is an independent system, and complex structure, high material consumption, cost is high.
(3) reach condensing pressure for the solution vapor that can bromizate in lithium-water absorption type refrigeration unit, require that thermal source water temperature is high, require high to solar energy heating tube bundle, structure is also complicated, ultimately increases cost.
Summary of the invention
The present invention is to overcome the deficiencies in the prior art, a kind of lithium bromide-water absorption refrigerating plant utilizing solar heat is provided, utilizes the temperature difference of solar heat and air, utilize lithium bromide water solution concentration and the water vapor in air humidity characteristic that balances each other to carry out low, the practical absorption type refrigerating unit of the energy-conserving and environment-protective of absorption and desorption, cost.
The technical solution that the present invention proposes to solve the problems of the technologies described above is such:
A kind of lithium bromide-water absorption refrigerating plant utilizing solar heat, comprise solar heat collector, solution heat exchanger, wet curtain blower fan, solution circulation pump, absorber, evaporimeter, water replanishing device, water as refrigerant circulating pump, defeated cold terminal, it is characterized in that: the taphole of described solar heat collector is connected with the hot solution entrance point of solution heat exchanger, the hot solution port of export of solution heat exchanger is connected with the solution inlet port end of absorber, the taphole end of absorber is connected with the entrance point of solution circulation pump, the port of export of solution circulation pump is after threeway, one end is connected with the solution inlet port end of wet curtain blower fan, be connected with the cold soln entrance point of absorber through the wet port of export of curtain blower fan, the port of export of solution circulation pump is after threeway, and the other end is connected with the cold soln entrance point of solution heat exchanger, and the cold soln port of export of solution heat exchanger is connected with the solution inlet port end of solar energy heating plate, forms the closed circuit of lithium bromide-aqueous solution, the port of export of water replanishing device is connected with the moisturizing entrance point of evaporimeter, the water as refrigerant port of export of evaporimeter is connected with the water as refrigerant entrance point of water as refrigerant circulating pump, the port of export of water as refrigerant circulating pump is connected with the water as refrigerant entrance point of defeated cold terminal, the water as refrigerant port of export of defeated cold terminal is connected with the water as refrigerant circulation entrance point of evaporimeter, forms the closed circuit of water as refrigerant.
Described solar heat collector is made up of solution storage container, solar absorber plate, weather shield; Solar absorber plate is placed in solution storage container, and weather shield is parallel to be placed on solution storage container, with solution storage container at a distance of 1 ~ 2cm, is non-tight structure.
Described solution storage container is the open-topped container do not bound, and is provided with heat-insulation layer at periphery.
Described weather shield is transparent unit.
Described absorber, evaporimeter are integrated.
Described water replanishing device is a non-sealed containers, and inside is equipped with liquid distributor, filler, and liquid distributor is located at above filler, is distributed on filler by dissolution homogeneity.
Being provided with solution heat exchanger between described solar heat collector and described absorber, is sleeve type structure.
Compared with prior art, the present invention has following remarkable result:
Structure is simple; As can be seen from technique scheme, solar heat collector is made up of solution storage container 10, solar absorber plate, weather shield, changes in the past that solar vacuum heat-collecting pipe is to the requirement of structure, technique, and structure is simple, there is no condenser in whole refrigerating plant, have compressed structure yet.
Cost is low; As can be seen from technique scheme, native system reduces cost in three: (1) solar heat-collection plate adopts plane absorber plate structure, without the need to special processing, without the need to vacuum tube; (2) atmospheric unit, vessels not under pressure, the materials processings such as available polypropylene, do not need a large amount of metal; (3) without the need to condenser, parts are decreased.
Practical; This refrigeration system utilizes the temperature difference of solar energy and air and the state balance of solution and air, does not need high temperature, does not need vacuum, and structure is simple, makes relatively easy, a little repair and convenient, and be easy to apply, cost is low, and cost performance is high, and practicality is good.
The present invention can be widely used in the abundant countries and regions of solar energy resources.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
In figure: 1. solar heat collector, 2. solution heat exchanger, 3. wet curtain blower fan, 4. solution circulation pump, 5. absorber, 6. evaporimeter, 7. water replanishing device, 8. water as refrigerant circulating pump, 9. defeated cold terminal, 10. solution storage container, 11. solar absorber plates, 12. weather shields.
Detailed description of the invention
By embodiment below, the present invention is further elaborated.
A kind of lithium bromide-water absorption refrigerating plant utilizing solar heat, as Fig. 1, its workflow is as follows: the low concentration solution in absorber 5, drive through solution circulation pump 4, after heat in absorbent solution heat exchanger 2, to solar heat collector 1, in solar heat collector 1, low concentration solution heats up, evaporate large quantity of moisture, until the vapour content in gas-liquid state corresponding to concentration and air balances each other, become highly concentrated solution, highly concentrated solution is after solution heat exchanger 2 is lowered the temperature, get back to absorber 5, and the water vapour absorbing in flash-pot 6 in absorber 5, become low concentration solution, complete solution circulation.After water as refrigerant transpiring moisture cooling in evaporimeter 6, export cold in terminal, get back to evaporimeter 6, complete water as refrigerant circulation.
Solar heat collector 1 is made up of solution storage container 10, solar absorber plate 11, weather shield 12, solar absorber plate 11 absorbs solar heat, lithium bromide-aqueous solution in heated solution reservoir vessel 10, evaporate water vapour, make the solution concentration under high temperature and normal temperature air humidity reach balance, complete the generating process in absorption system; Weather shield 12 plays and keeps off the rain, keeps off the effects such as booty, is parallelly placed on solution storage container 10, with solution storage container 10 at a distance of 1 ~ 2cm, can play keeping off the rain effect of etc.ing, be convenient to again ventilation.
Heater 3 adopts sleeve type structure, can on the heat-transfer surface of interior pipe machining 3 D fin, improve heat exchange efficiency; High temperature lithium bromide-aqueous solution from solar heat collector 1 carries out heat exchange with the low temperature lithium bromide-aqueous solution from absorber 5, improves cooling system efficiency.
Absorber 5 and evaporimeter 6 are integrated, and inside is equipped with liquid distributor, filler, and liquid distributor is located at above filler, is distributed in by dissolution homogeneity on filler, add absorption and disengagement area.In absorber 5 and evaporimeter 6, air plays the effect of diffusion, and steam partial pressure is very little, and in order to reach vapor liquid equilibrium state, the moisture in water as refrigerant constantly evaporates, and reduces own temperature, thus reaches refrigeration.
Claims (7)
1. one kind utilizes the lithium bromide-water absorption refrigerating plant of solar heat, comprise solar heat collector (1), solution heat exchanger (2), wet curtain blower fan (3), solution circulation pump (4), absorber (5), evaporimeter (6), water replanishing device (7), water as refrigerant circulating pump (8), defeated cold terminal (9), it is characterized in that: the taphole of described solar heat collector (1) is connected with the hot solution entrance point of solution heat exchanger (2), the hot solution port of export of solution heat exchanger (2) is connected with the solution inlet port end of absorber (5), the taphole end of absorber (5) is connected with the entrance point of solution circulation pump (4), the port of export of solution circulation pump (4) is after threeway, one end is connected with the solution inlet port end of wet curtain blower fan (3), the port of export through wet curtain blower fan (3) is connected with the cold soln entrance point of absorber (5), the port of export of solution circulation pump (4) is after threeway, the other end is connected with the cold soln entrance point of solution heat exchanger (2), the cold soln port of export of solution heat exchanger (2) is connected with the solution inlet port end of solar energy heating plate (1), forms the closed circuit of lithium bromide-aqueous solution, the port of export of water replanishing device (7) is connected with the moisturizing entrance point of evaporimeter (6), the water as refrigerant port of export of evaporimeter (6) is connected with the water as refrigerant entrance point of water as refrigerant circulating pump (8), the port of export of water as refrigerant circulating pump (8) is connected with the water as refrigerant entrance point of defeated cold terminal (9), the water as refrigerant port of export of defeated cold terminal (9) is connected with the water as refrigerant circulation entrance point of evaporimeter (6), forms the closed circuit of water as refrigerant.
2. the solar heat refrigerating plant belonging to claim 1, is characterized in that: described solar heat collector (1) is made up of solution storage container (10), solar absorber plate (11), weather shield (12); Solar absorber plate (11) is placed in solution storage container (10), and weather shield (12) is parallel to be placed on solution storage container (10), with solution storage container (10) at a distance of 1 ~ 2cm, is non-tight structure.
3. the lithium bromide-water absorption refrigerating plant utilizing solar heat according to claim 1 and 2, described solution storage container (10) is the open-topped container do not bound, and is provided with heat-insulation layer at periphery.
4. the lithium bromide-water absorption refrigerating plant utilizing solar heat according to claim 1 and 2, is characterized in that: described weather shield (12) is transparent unit.
5. the lithium bromide-water absorption refrigerating plant utilizing solar heat according to claim 1, it is characterized in that: described absorber (5), evaporimeter (6) are integrated, inside is equipped with liquid distributor, filler, and liquid distributor is located at above filler, is distributed on filler by dissolution homogeneity.
6. the lithium bromide-water absorption refrigerating plant utilizing solar heat according to claim 1, is characterized in that: described water replanishing device (7) is a non-sealed containers.
7. the lithium bromide-water absorption refrigerating plant utilizing solar heat according to claim 1, is characterized in that: be provided with solution heat exchanger (2) between described solar heat collector (1) and described absorber (5), is sleeve type structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510077573.9A CN104613670B (en) | 2015-02-13 | 2015-02-13 | Using the lithium bromide water absorption type refrigeration device of solar heat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510077573.9A CN104613670B (en) | 2015-02-13 | 2015-02-13 | Using the lithium bromide water absorption type refrigeration device of solar heat |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104613670A true CN104613670A (en) | 2015-05-13 |
| CN104613670B CN104613670B (en) | 2017-04-05 |
Family
ID=53148243
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510077573.9A Expired - Fee Related CN104613670B (en) | 2015-02-13 | 2015-02-13 | Using the lithium bromide water absorption type refrigeration device of solar heat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104613670B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107163917A (en) * | 2017-06-20 | 2017-09-15 | 大连理工大学 | Ionic liquid solution base nano-fluid directly absorbs solar airconditioning/heat pump method and apparatus |
| CN112413925A (en) * | 2019-08-23 | 2021-02-26 | 海南泰立来科技有限公司 | Low-temperature heat source refrigerating device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2909103Y (en) * | 2006-05-16 | 2007-06-06 | 吴以锋 | Solar double-efficiency absorption air conditioner |
| CN201497255U (en) * | 2009-09-25 | 2010-06-02 | 中国家用电器研究院 | Solar backheating type sodium thiocyanate-ammonia absorption refrigerator air conditioner and heat pump device |
| CN202420023U (en) * | 2012-02-16 | 2012-09-05 | 武汉光谷节能技术有限公司 | Heat compensation type lithium bromine absorption cold-hot water machine set capable of directly generating steam by utilizing solar energy |
| CN103712292A (en) * | 2013-12-30 | 2014-04-09 | 南京航空航天大学 | Solar refrigeration rotating wheel dehumidification air-conditioning system and working method |
| US8720216B1 (en) * | 2013-10-01 | 2014-05-13 | King Fahd University Of Petroleum And Minerals | Hybrid aqua-ammonia and lithium bromide-water absorption chiller |
-
2015
- 2015-02-13 CN CN201510077573.9A patent/CN104613670B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2909103Y (en) * | 2006-05-16 | 2007-06-06 | 吴以锋 | Solar double-efficiency absorption air conditioner |
| CN201497255U (en) * | 2009-09-25 | 2010-06-02 | 中国家用电器研究院 | Solar backheating type sodium thiocyanate-ammonia absorption refrigerator air conditioner and heat pump device |
| CN202420023U (en) * | 2012-02-16 | 2012-09-05 | 武汉光谷节能技术有限公司 | Heat compensation type lithium bromine absorption cold-hot water machine set capable of directly generating steam by utilizing solar energy |
| US8720216B1 (en) * | 2013-10-01 | 2014-05-13 | King Fahd University Of Petroleum And Minerals | Hybrid aqua-ammonia and lithium bromide-water absorption chiller |
| CN103712292A (en) * | 2013-12-30 | 2014-04-09 | 南京航空航天大学 | Solar refrigeration rotating wheel dehumidification air-conditioning system and working method |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107163917A (en) * | 2017-06-20 | 2017-09-15 | 大连理工大学 | Ionic liquid solution base nano-fluid directly absorbs solar airconditioning/heat pump method and apparatus |
| CN112413925A (en) * | 2019-08-23 | 2021-02-26 | 海南泰立来科技有限公司 | Low-temperature heat source refrigerating device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104613670B (en) | 2017-04-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102213471B (en) | Method for heat humidity independent treatment of air by segmental utilization of condensation heat | |
| CN201434459Y (en) | Solar energy absorption air conditioning device | |
| CN102705925B (en) | A kind of dual-source heat pump air conditioner | |
| CN203687251U (en) | Dry air energy and solar energy compounded air conditioning system | |
| CN105222448A (en) | Adsorption-type solar contact method preparing ice slurry device | |
| CN105423590B (en) | Absorption refrigeration system | |
| CN104613670A (en) | Solar thermal lithium bromide-water absorbing refrigerator | |
| CN205373134U (en) | Novel waste heat utilization lithium bromide absorbent refrigerating system | |
| CN109682115A (en) | The diffusion absorbing hybrid refrigeration device of solar energy-semiconductor driving | |
| CN2909103Y (en) | Solar double-efficiency absorption air conditioner | |
| CN103629769B (en) | Solar energy central air conditioning system integrating device and heat-exchange method | |
| CN105783329A (en) | Solar energy absorption refrigeration and adsorption refrigeration combination refrigeration system | |
| CN213395673U (en) | Direct heating type solar air conditioning system | |
| CN102410675A (en) | Over-cooling device and over-cooling method for evaporative condensation type refrigeration system | |
| CN202328942U (en) | Supercooling device for evaporative condensate type refrigeration system and method thereof | |
| CN201497255U (en) | Solar backheating type sodium thiocyanate-ammonia absorption refrigerator air conditioner and heat pump device | |
| CN209341622U (en) | Multi-energy source dual-efficiency type lithium bromide absorption type refrigerator | |
| CN204268751U (en) | A kind of typical heat recovery absorption type refrigerating central air conditioner system | |
| CN201053726Y (en) | Dripping-free air conditioner | |
| CN101975487B (en) | Diffused absorption refrigeration and hot water system using solar power | |
| CN206669947U (en) | A kind of absorption solar energy air-conditioning | |
| KR20130112394A (en) | High-efficiency heat pump equipment hayibeurideusik | |
| CN208419040U (en) | A kind of cold supply system that heat pipe is coupled with ground heat exchanger and solar panel | |
| CN207881046U (en) | The small absorption refrigeration unit of evaporation and heat-exchange is absorbed based on liquid film | |
| CN206787109U (en) | A kind of air-cooled solar absorption refrigerating machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170405 Termination date: 20220213 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |