CN216431978U - Evaporative cooling air conditioning unit based on solar adsorption refrigeration - Google Patents
Evaporative cooling air conditioning unit based on solar adsorption refrigeration Download PDFInfo
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- CN216431978U CN216431978U CN202122826612.4U CN202122826612U CN216431978U CN 216431978 U CN216431978 U CN 216431978U CN 202122826612 U CN202122826612 U CN 202122826612U CN 216431978 U CN216431978 U CN 216431978U
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- evaporative cooling
- cooling system
- water
- air conditioning
- unit shell
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- 238000001816 cooling Methods 0.000 title claims abstract description 64
- 238000005057 refrigeration Methods 0.000 title claims abstract description 40
- 238000001179 sorption measurement Methods 0.000 title claims abstract description 34
- 238000004378 air conditioning Methods 0.000 title claims abstract description 24
- 238000003860 storage Methods 0.000 claims abstract description 18
- 239000007788 liquid Substances 0.000 claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 88
- 238000012856 packing Methods 0.000 claims description 8
- 238000010521 absorption reaction Methods 0.000 claims description 6
- 239000003463 adsorbent Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 4
- 238000004134 energy conservation Methods 0.000 abstract description 2
- 238000005265 energy consumption Methods 0.000 description 12
- 230000009471 action Effects 0.000 description 6
- 239000003507 refrigerant Substances 0.000 description 6
- 238000001704 evaporation Methods 0.000 description 5
- 230000008020 evaporation Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000002861 polymer material Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 239000011888 foil Substances 0.000 description 2
- 239000003365 glass fiber Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 239000002156 adsorbate Substances 0.000 description 1
- 238000003795 desorption Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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- Sorption Type Refrigeration Machines (AREA)
Abstract
The utility model discloses an evaporative cooling air conditioning unit based on solar adsorption refrigeration, which comprises a unit shell, wherein two opposite side walls of the unit shell are respectively provided with an air supply outlet and an air inlet; the unit shell is provided with a blower at the position of the air supply outlet; an indirect evaporative cooling system and a direct evaporative cooling system are sequentially arranged in the unit shell between the air inlet and the air feeder according to the air inlet flow direction; a secondary air exhaust fan is arranged on the top wall of the unit shell and at a position corresponding to the indirect evaporative cooling system, and a secondary air inlet is arranged on the unit shell wall at a position corresponding to the bottom of the indirect evaporative cooling system; the evaporative cooling air conditioning unit further comprises a solar adsorption type refrigerating system, the solar adsorption type refrigerating system comprises an evaporator, an adsorption bed, a condenser and a liquid storage tank which are sequentially communicated through pipelines to form a closed loop, and the evaporator is located between the indirect evaporative cooling system and the direct evaporative cooling system in the unit shell. Under the condition of stable refrigeration, the effects of green and energy conservation are achieved to the maximum extent.
Description
Technical Field
The utility model belongs to the technical field of air conditioning equipment, a evaporative cooling air conditioning unit based on solar energy absorption formula is cryogenic is related to.
Background
China is a country with high energy consumption, building energy accounts for about 20% of the total social energy consumption, and the proportion of the heating ventilation air conditioner in the building energy consumption is about 50%. Limited energy storage and excessive energy consumption are major and urgent practical problems that humans have to face. At present, some cold storages need uninterrupted refrigeration all year round to meet the operation conditions, and traditional mechanical refrigeration is started all year round with excessive energy consumption, so that new technologies such as evaporative cooling and solar refrigeration are necessarily combined to achieve the purposes of reducing energy consumption, saving energy and utilizing natural energy to the maximum extent.
The traditional mechanical refrigeration cycle has large energy consumption, and solar energy is inexhaustible clean renewable energy, and the effects of saving conventional energy and protecting the natural environment can be achieved by utilizing the solar energy for refrigeration. By combining evaporative cooling and solar adsorption refrigeration technologies, energy consumption can be reduced to the maximum extent, and stable refrigeration capacity throughout the year can be guaranteed.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an evaporative cooling air conditioning unit based on solar energy absorption formula is cryogenic combines together direct evaporative cooling, solar energy absorption formula refrigeration technology and indirect evaporative cooling, has solved the too big problem of traditional mechanical refrigeration energy consumption.
The utility model adopts the technical proposal that the evaporative cooling air conditioning unit based on the solar adsorption refrigeration comprises a unit shell, wherein two opposite side walls of the unit shell are respectively provided with an air supply outlet and an air inlet; the unit shell is provided with a blower at the position of the air supply outlet; an indirect evaporative cooling system and a direct evaporative cooling system are sequentially arranged in the unit shell between the air inlet and the air feeder according to the air inlet flow direction; a secondary air exhaust fan is arranged on the top wall of the unit shell and at a position corresponding to the indirect evaporative cooling system, and a secondary air inlet is arranged on the unit shell wall at a position corresponding to the bottom of the indirect evaporative cooling system; the evaporative cooling air conditioning unit further comprises a solar adsorption type refrigerating system, the solar adsorption type refrigerating system comprises an evaporator, an adsorption bed, a condenser and a liquid storage tank which are sequentially communicated through pipelines to form a closed loop, and the evaporator is located between the indirect evaporative cooling system and the direct evaporative cooling system in the unit shell.
The utility model is also characterized in that,
a filter is arranged between the indirect evaporative cooling system and the air inlet.
The filter is a bag filter.
A water baffle b is arranged between the direct evaporative cooling system and the blower.
The water baffle b adopts a corrugated water baffle.
The pipeline connecting the evaporator and the adsorption bed is provided with a valve a, the pipeline connecting the adsorption bed and the condenser is provided with a valve b, and the pipeline connecting the liquid storage tank and the evaporator is provided with a valve c.
The indirect evaporative cooling system comprises a reservoir b arranged at the bottom of the unit shell, and a heat exchange beam tube, a water distributor a and a water baffle a are sequentially arranged above the reservoir b from bottom to top; the water distributor a is communicated with the reservoir b through a pipeline, and a circulating water pump b is arranged on the pipeline through which the water distributor a is communicated with the reservoir b.
The water baffle a adopts a corrugated water baffle.
The direct evaporative cooling system comprises a reservoir a arranged at the bottom of the unit shell, and a packing layer and a water distributor b are sequentially arranged above the reservoir a from bottom to top; the water distributor b is communicated with the reservoir a through a pipeline, and a circulating water pump a is arranged on the pipeline through which the water distributor b is communicated with the reservoir a.
The utility model has the advantages that,
(1) the utility model discloses air conditioning unit can be according to outdoor environmental condition's change, the different mode of conversion operation. Under the condition of operating a solar adsorption type refrigeration mode, the refrigeration is almost completely carried out by depending on solar clean energy; and under the mode of independently operating evaporation refrigeration, a natural cold source is utilized to the maximum extent. On the premise of ensuring the annual refrigeration stability, the whole unit almost completely uses the natural resources in the nature, thereby achieving the effects of green and energy conservation to the maximum extent.
(2) The direct evaporative cooling system can be selectively opened according to the requirement of the refrigeration house on the humidity, and the energy consumption is reduced to the maximum extent.
(3) The material filling layer in the direct evaporative cooling system is made of different materials such as metal aluminum foil, glass fiber, plant fiber, composite polymer material, stainless steel and the like to meet different working environment conditions.
Drawings
Fig. 1 is a schematic structural diagram of the evaporative cooling air conditioning unit of the present invention.
In the figure, 1, a valve a, 2, a secondary air exhaust fan, 3, a water baffle a, 4, an adsorption bed, 5, a water distributor a, 6, a blower, 7, a water baffle b, 8, a water distributor b, 9, a packing layer, 10, an evaporator, 11, a heat exchange tube bundle, 12, a filter, 13, an air inlet, 14, a valve b, 15, a condenser, 16, a circulating water pump a, 17, a water storage tank a, 18, a circulating water pump b, 19, a water storage tank b, 20, a secondary air inlet, 21, a valve c, 22 and a liquid storage tank are arranged.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
The utility model discloses evaporative cooling air conditioning unit's structure is shown in fig. 1, including the unit casing, the both sides wall that the unit casing is relative sets up forced draught blower 6 and air intake 13 respectively, just is located in the unit casing and sets gradually indirect evaporative cooling system and direct evaporative cooling system according to the air inlet between forced draught blower 6 and the air intake 13. A filter 12 is arranged between the air inlet 13 and the indirect evaporative cooling system, and the filter 12 is a bag filter. The secondary air exhauster 2 is arranged at the position of the indirect evaporative cooling system corresponding to the top wall of the unit shell, the secondary air inlet 20 is arranged at the position of the indirect evaporative cooling system corresponding to the side wall of the unit shell, the water baffle b7 is arranged between the direct evaporative cooling system and the blower 6, so that water drops can be prevented from being sucked into the blower, and the water baffle b7 is a corrugated water baffle.
A plurality of polyvinyl chloride high polymer material elliptical tubes are adopted as heat exchange beam tubes 11 in the indirect evaporative cooling system, a water distributor a5 and a reservoir b19 are arranged above and below the heat exchange beam tubes respectively, a water baffle a3 is arranged above the water distributor a5, and a corrugated water baffle a3 is adopted as the water baffle. The water storage tank b19 is communicated with the water distributor b5 through a pipeline, and a circulating water pump b18 is arranged on the pipeline.
The evaporator 10, the adsorption bed 4, the condenser 15 and the liquid storage tank 22 which form a closed loop are sequentially communicated through a pipeline to form a solar adsorption refrigeration system; the evaporator 10 is connected with the adsorption bed 4 through a pipeline, a valve a1 is arranged on the pipeline, the adsorption bed 4 is connected with the condenser 15 through a pipeline, a valve b14 is arranged on the pipeline, the condenser 15 is connected with the liquid storage tank 22 through a pipeline, the liquid storage tank 22 is connected with the evaporator 10 through a pipeline, and a valve c21 is arranged on the pipeline.
The direct evaporative cooling system comprises a packing layer 9, a water distributor b8 and a water storage tank a17 which are respectively arranged at the upper part and the lower part of the packing layer 9, wherein the water storage tank a17 is communicated with the water distributor b8 through a pipeline, a circulating water pump a16 is arranged on the pipeline, and the packing layer 9 can be made of different materials such as metal aluminum foils, glass fibers, plant fibers, composite polymer materials, stainless steel and the like according to different environmental conditions.
The utility model discloses evaporative cooling air conditioning unit requires to have following two kinds of mode according to the outdoor condition of difference and freezer:
solar adsorption refrigeration mode: in high temperature and transition season in summer, the indirect evaporative cooling system is started to pre-cool fresh air, then the pre-cooled air enters the solar adsorption type refrigerator and is sent into the room after being cooled, whether the direct evaporative cooling system is started or not is determined according to the cold quantity and humidity requirements of the refrigeration house, and the energy consumption is reduced to the maximum extent.
In the solar adsorption refrigeration mode, outdoor air enters the interior of the machine shell from the air inlet 13, passes through the filter 12 and then passes through the heat exchange bundle tube 11, the circulating water pump b18 pumps water out of the reservoir b19 and passes through the water distributor a5, the water film is attached to the outer side of the heat exchange bundle tube 11, and redundant water continuously flows back to the reservoir b19 to complete a cycle. Outdoor air enters the unit shell through the secondary air inlet 20 under the action of the secondary air exhaust fan 2 to perform heat and moisture exchange with the water film attached to the surface of the heat exchange beam tube 11, the secondary air is cooled and transfers cold to the air in the heat exchange beam tube 11, and finally the secondary air is exhausted to the outdoor under the action of the secondary air exhaust fan 2. The cold energy of secondary air is obtained through the air in the heat exchange beam tube 11, so that primary precooling is realized; air enters a solar adsorption refrigeration system after primary precooling, secondary heat exchange cooling is carried out through an evaporator 10 of the solar adsorption refrigeration system, whether the direct evaporation refrigeration system is started or not is determined according to the cold quantity and humidity requirements of a refrigeration house, when the direct evaporation refrigeration system is started, a circulating water pump a16 pumps water out of a reservoir a17 and sprays the water on the surface of a packing layer 9 through a water distributor b8, the air and the water are subjected to sufficient heat and humidity exchange, the water absorbs heat in the air and evaporates, the water returns to the air in a steam form, the air is changed into an isenthalpic cooling process, and then the air is sent into a room through a water baffle b7 under the action of a blower 6.
Wherein, solar energy absorption formula refrigerating system's theory of operation does: the adsorption bed 4 absorbs sunlight and converts the solar energy into heat energy, and the heat energy can heat the working medium pair in the adsorption bed 4, so that the mixture formed by the adsorbent and the adsorbate is desorbed due to the temperature rise in the heating process. As a result of the desorption, high-pressure gaseous refrigerant having a considerable temperature is released, and when the gaseous refrigerant passes through the condenser 15, the cooling device in the condenser 15 absorbs the thermal energy of the gaseous refrigerant, so that the gaseous refrigerant is lowered in temperature and condensed and liquefied, and the refrigerant that has become liquid flows into the receiver 22. The liquid refrigerant is expanded and throttled by a valve c21, enters the evaporator 10 to absorb the heat of the primarily precooled air, and completes the refrigeration process; under the working state of the solar adsorption refrigeration system, the solar adsorption refrigeration system almost completely depends on clean solar energy for refrigeration.
Evaporative cooling mode: in winter, the solar adsorption refrigeration system is unstable in operation due to the fact that the outdoor environment temperature is too low, the solar adsorption refrigeration system is closed at the moment, the indirect evaporative cooling system is operated independently, and a natural cold source is utilized to the maximum extent; the direct evaporative cooling system is determined to be started or not according to the requirements of the cold quantity and the humidity of the refrigeration house, so that the energy consumption is reduced to the maximum extent.
In the evaporative cooling mode, the solar adsorption refrigeration system is closed, outdoor air enters the interior of the machine shell from the air inlet 13, passes through the heat exchange bundle tube 11 after passing through the filter 12, the circulating water pump b18 pumps water out of the water reservoir b19 and passes through the water distributor b5, the water film is attached to the outer side of the heat exchange bundle tube 11, and redundant water continuously flows back to the water reservoir b19 to complete a cycle. Outdoor air enters the unit shell through the secondary air inlet 20 under the action of the secondary air exhaust fan 2 to perform heat and moisture exchange with a water film attached to the surface of the heat exchange beam tube 11, the secondary air is cooled and transfers cold to the air in the heat exchange beam tube 11, and finally the secondary air is exhausted to the outdoor under the action of the secondary air exhaust fan 2. The air in the heat exchange beam tube 11 obtains the cold energy of the secondary air, thereby realizing primary precooling. Whether the direct evaporation refrigeration system is started or not is determined according to the requirements of cold quantity and humidity of the refrigeration house, when the direct evaporation refrigeration system is started, the circulating water pump a16 pumps water out of the water storage tank a17 and sprays the water on the surface of the packing layer 9 through the water distributor a8, air and water generate sufficient heat and moisture exchange, the water absorbs heat in the air and evaporates, the water returns to the air in the form of water vapor, the air is changed into an isenthalpic cooling process, and then the water is sent into a room through the water baffle b7 under the action of the air blower 6.
The utility model discloses evaporative cooling air conditioning unit can be according to outdoor environmental condition's change, the different mode of conversion operation, and whole unit is guaranteeing to refrigerate all the year round under stable prerequisite, and almost the complete use is the natural resource that exists of nature, has reached maximum green, energy-conserving effect.
Claims (9)
1. The evaporative cooling air conditioning unit based on solar adsorption refrigeration is characterized by comprising a unit shell, wherein an air supply outlet and an air inlet (13) are respectively arranged on two opposite side walls of the unit shell; a blower (6) is arranged at the position of the air supply outlet of the unit shell; the unit shell is positioned between the air inlet (13) and the blower (6) and is internally provided with an indirect evaporative cooling system and a direct evaporative cooling system in sequence according to the air inlet flow direction; a secondary air exhaust fan (2) is arranged on the top wall of the unit shell and at a position corresponding to the indirect evaporative cooling system, and a secondary air inlet (20) is arranged on the unit shell wall at a position corresponding to the bottom of the indirect evaporative cooling system; evaporative cooling air conditioning unit still includes solar energy absorption formula refrigerating system, solar energy absorption formula refrigerating system includes evaporimeter (10), adsorbent bed (4), condenser (15) and liquid storage pot (22) that form closed circuit through the pipeline intercommunication in proper order, evaporimeter (10) are located between the inside indirect evaporative cooling system of unit casing and the direct evaporative cooling system.
2. Air conditioning assembly according to claim 1, wherein a filter (12) is arranged between the indirect evaporative cooling system and the air inlet (13).
3. Air conditioning assembly according to claim 2, characterized in that the filter (12) is a bag filter.
4. Air conditioning assembly according to claim 1, characterized in that a water baffle b (7) is provided between the direct evaporative cooling system and the blower (6).
5. Air conditioning assembly according to claim 4, characterized in that the water deflector b (7) is a corrugated water deflector.
6. Air conditioning unit according to claim 1, wherein a valve a (1) is arranged in a communication pipeline between the evaporator (10) and the adsorption bed (4), a valve b (14) is arranged in a communication pipeline between the adsorption bed (4) and the condenser (15), and a valve c (21) is arranged in a communication pipeline between the liquid storage tank (22) and the evaporator (10).
7. The air conditioning unit according to claim 1, wherein the indirect evaporative cooling system comprises a reservoir b (19) arranged at the bottom of the unit shell, and a heat exchange bundle pipe (11), a water distributor a (5) and a water baffle a (3) are arranged above the reservoir b (19) in sequence from bottom to top; the water distributor a (5) is communicated with the water storage tank b (19) through a pipeline, and a circulating water pump b (18) is arranged on the pipeline through which the water distributor a (5) is communicated with the water storage tank b (19).
8. Air conditioning assembly according to claim 7, characterized in that the water deflector a (3) is a corrugated water deflector.
9. Air conditioning assembly according to claim 1, characterized in that the direct evaporative cooling system comprises a reservoir a (17) arranged at the bottom of the assembly housing, and a packing layer (9) and a water distributor b (8) are arranged above the reservoir a (17) in sequence from bottom to top; the water distributor b (8) is communicated with the reservoir a (17) through a pipeline, and a circulating water pump a (16) is arranged on the pipeline through which the water distributor b (8) is communicated with the reservoir a (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122826612.4U CN216431978U (en) | 2021-11-17 | 2021-11-17 | Evaporative cooling air conditioning unit based on solar adsorption refrigeration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122826612.4U CN216431978U (en) | 2021-11-17 | 2021-11-17 | Evaporative cooling air conditioning unit based on solar adsorption refrigeration |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216431978U true CN216431978U (en) | 2022-05-03 |
Family
ID=81338465
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122826612.4U Expired - Fee Related CN216431978U (en) | 2021-11-17 | 2021-11-17 | Evaporative cooling air conditioning unit based on solar adsorption refrigeration |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216431978U (en) |
-
2021
- 2021-11-17 CN CN202122826612.4U patent/CN216431978U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220503 |
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| CF01 | Termination of patent right due to non-payment of annual fee |