CN216432223U - Evaporation refrigerating unit based on air pump/compressor driving loop heat pipe - Google Patents
Evaporation refrigerating unit based on air pump/compressor driving loop heat pipe Download PDFInfo
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- CN216432223U CN216432223U CN202122826535.2U CN202122826535U CN216432223U CN 216432223 U CN216432223 U CN 216432223U CN 202122826535 U CN202122826535 U CN 202122826535U CN 216432223 U CN216432223 U CN 216432223U
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- Prior art keywords
- evaporative
- evaporative cooler
- reservoir
- shell
- water
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- 238000001704 evaporation Methods 0.000 title claims abstract description 21
- 230000008020 evaporation Effects 0.000 title claims abstract description 21
- 238000005057 refrigeration Methods 0.000 claims abstract description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 72
- 239000007788 liquid Substances 0.000 claims description 8
- 238000012856 packing Methods 0.000 claims description 5
- 238000001035 drying Methods 0.000 claims description 4
- 239000011521 glass Substances 0.000 claims 1
- 238000005265 energy consumption Methods 0.000 abstract description 12
- 230000007613 environmental effect Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 2
- 238000001816 cooling Methods 0.000 description 12
- 238000003860 storage Methods 0.000 description 10
- 239000003921 oil Substances 0.000 description 8
- 239000002131 composite material Substances 0.000 description 7
- 239000000945 filler Substances 0.000 description 6
- 239000003507 refrigerant Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 239000002861 polymer material Substances 0.000 description 3
- 230000007704 transition 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
- 238000005516 engineering process Methods 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
- 239000000463 material Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
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Abstract
The utility model discloses an evaporation refrigerating unit based on air pump/compressor drive loop heat pipe, including the unit casing, set up air intake and air outlet respectively on the relative both sides wall of unit casing, in the unit casing and be located between air intake and the air outlet, set gradually indirect evaporative cooler, direct evaporative cooler and forced draught blower according to the air inlet flow direction, the unit casing roof outside and with the corresponding position department of indirect evaporative cooler be provided with the secondary exhaust fan, the unit casing lateral wall on and with the corresponding position department of indirect evaporative cooler be provided with the secondary air intake; the evaporative refrigeration unit also includes a heat pipe loop system. The utility model discloses refrigerating unit can adjust indirect evaporative cooler and air pump/compressor drive loop heat pipe system according to outdoor environmental condition, and furthest reduces the compressor energy consumption, realizes that the maximize utilizes natural cold source, reaches energy-conserving effect.
Description
Technical Field
The utility model belongs to the technical field of air conditioning equipment, a evaporation refrigerating unit based on air pump/compressor drive loop heat pipe is related to.
Background
With the development of global economy, concerns about energy consumption are attracting more and more attention. 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 heat pipe loop technologies need to be combined to achieve the purposes of reducing energy consumption and utilizing natural cold sources to the maximum extent.
The traditional mechanical refrigeration cycle is a process of first increasing pressure and then reducing pressure, because the increasing pressure needs larger energy consumption in the pressure reducing process, the COP is lower, and the heat pipe cycle is an isobaric process, the COP is very high. The heat pipe cycle can be understood as the optimal and most primitive state of the refrigeration cycle and the state with the minimum energy consumption, and sometimes the outdoor environmental condition is insufficient, so that the refrigeration cycle can not reach the ideal state of the heat pipe cycle. Therefore, evaporative cooling and a heat pipe loop are combined, so that a natural cold source is utilized to the maximum extent, and the energy consumption is reduced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an evaporation refrigerating unit based on air pump/compressor drive loop heat pipe combines together direct evaporative cooling, air pump/compressor drive loop heat pipe technique and indirect evaporative cooling, and furthest utilizes natural cold source, has solved the too big problem of traditional mechanical refrigeration energy consumption.
The utility model adopts the technical scheme that an evaporation refrigerating unit based on an air pump/compressor driving loop heat pipe comprises a unit shell, wherein an air inlet and an air outlet are respectively arranged on two opposite side walls of the unit shell, an indirect evaporation cooler, a direct evaporation cooler and a blower are sequentially arranged in the unit shell and positioned between the air inlet and the air outlet according to the air inlet flow direction, a secondary exhaust fan is arranged outside the top wall of the unit shell and at a position corresponding to the indirect evaporation cooler, and a secondary air inlet is arranged on the side wall of the unit shell and at a position corresponding to the bottom of the indirect evaporation cooler;
the evaporation refrigerating unit also comprises a heat pipe loop system consisting of a compressor, a gas-liquid separator, an evaporator, an evaporation condenser and an oil separator which are sequentially connected into a closed loop through pipelines, wherein the evaporator is arranged between the indirect evaporation cooler and the direct evaporation cooler.
The utility model is also characterized in that,
and a filter b is arranged between the air inlet and the indirect evaporative cooler.
A water baffle b is arranged between the direct evaporative cooler and the blower.
A water baffle plate a is arranged between the indirect evaporative cooler and the secondary exhaust fan.
The water baffle a is a corrugated water baffle.
The indirect evaporative cooler comprises a water storage tank a arranged at the bottom of the unit shell, a heat exchange tube bundle and a water distributor a are sequentially arranged above the water storage tank a from bottom to top, the water storage tank a is communicated with the water distributor a through a water supply pipe, and a circulating water pump a is arranged on the water supply pipe.
The direct evaporative cooler comprises a reservoir b arranged at the bottom of the unit shell, a packing layer b and a water distributor b are sequentially arranged above the reservoir b from bottom to top, the reservoir b is communicated with the water distributor b through a pipeline, and a circulating water pump b is arranged on the pipeline.
A flow device and a drying filter are arranged between the evaporator and the evaporation condenser, and a liquid viewing mirror is arranged on the flow device.
A filter a and a capillary tube are arranged between the oil separator and the compressor.
The evaporative condenser comprises a shell, wherein an air inlet c is formed in the side wall of the shell, a reservoir c is formed in the bottom of the shell, an exhaust fan is arranged on the outer side of the top wall of the shell and at a position corresponding to the reservoir c, a packing layer c, a heat exchange coil, a water distributor c and a water baffle c are sequentially arranged in the shell and between the reservoir c and the exhaust fan in the air inlet direction, the reservoir c is communicated with the water distributor c through a drain pipe, a circulating water pump c is arranged on the drain pipe, and two ends of the heat exchange coil are respectively connected with a drying filter and an oil separator.
The utility model has the advantages that,
(1) the utility model discloses refrigerating unit combines together direct evaporative cooling, air pump/compressor drive loop heat pipe technique, indirect evaporative cooling, according to the outdoor weather condition of difference, switches different mode, and furthest utilizes heat pipe circulation and evaporative cooling, reduces the energy consumption.
(2) The air pump/compressor driving loop heat pipe system utilizes the evaporative condenser to reduce condensation temperature and reduce the time for starting the compressor to run at high power to the maximum extent.
(3) The direct evaporative cooler of the unit can be selectively opened according to the relative humidity requirement of the refrigeration house.
Drawings
FIG. 1 is a schematic view of the structure of the evaporative cooling unit of the present invention;
fig. 2 is a schematic structural diagram of an evaporative condenser with an underneath type filler in an evaporative refrigeration unit.
In the figure, 1, a gas-liquid separator, 2, a secondary exhaust fan, 3, water baffles a, 4, water distributors a, 5, a compressor, 6, an oil separator, 7, a capillary tube, 8, a filter a, 9, a blower, 10, a water baffle b, 11, a water distributor b, 12, a filler layer b, 13, an evaporator, 14, a heat exchange tube bundle, 15, a filter b, 16, an air inlet, 17, an evaporative condenser, 18, a circulating water pump b, 19, a reservoir b, 20, a circulating water pump a, 21, a reservoir a, 22, a secondary air inlet, 23, a flow device, 24, a liquid viewing mirror, 25, a drying filter, 26, an exhaust fan, 27, a water distributor c, 28, a water baffle c, 29, a refrigerant inlet, 30, a heat exchange coil, 31, a refrigerant outlet, 32, a circulating water pump c, 33, an air inlet c, 34, c, 35, a reservoir c, 36 and an air outlet.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
The structure of the evaporation refrigerating unit of the utility model is as shown in figure 1, including the unit casing, based on the evaporation refrigerating unit of air pump/compressor drive loop heat pipe, its characterized in that, including the unit casing, set up air intake 16 and air outlet 36 on the relative both sides wall of unit casing respectively, and the unit casing is internal and lie in between air intake 16 and air outlet 36, according to the air inlet flow direction set gradually indirect evaporative cooler, direct evaporative cooler and forced draught blower 9, the unit casing roof outside and with the indirect evaporative cooler corresponding position department be provided with secondary exhaust fan 2, the unit casing lateral wall and with the indirect evaporative cooler bottom corresponding position department be provided with secondary air intake 22;
the evaporation refrigerating unit also comprises a heat pipe loop system which is formed by a compressor 5, a gas-liquid separator 1, an evaporator 13, an evaporative condenser 17 and an oil separator 6 which are sequentially connected into a closed loop through pipelines, wherein the evaporator 13 is arranged between the indirect evaporative cooler and the direct evaporative cooler. The gas-liquid separator 1 is to ensure that all of the refrigerant entering the compressor is gaseous refrigerant.
A filter b15 is arranged between the air inlet 16 and the indirect evaporative cooler, and a bag filter is adopted as the filter b 15.
A water baffle b10 is arranged between the direct evaporative cooler and the blower 9, and the water baffle b10 adopts a corrugated water baffle.
A water baffle a3 is arranged between the indirect evaporative cooler and the secondary exhaust fan 2, and the water baffle a3 is a corrugated water baffle.
The indirect evaporative cooler comprises a water storage tank a21 arranged at the bottom of the unit shell, a heat exchange tube bundle 14 and a water distributor a4 are arranged above the water storage tank a21 from bottom to top, the water storage tank a21 is communicated with the water distributor a4 through a water supply pipe, and a circulating water pump a20 is arranged on the water supply pipe.
The heat exchange tube bundle 14 is an elliptical tube, and includes a plurality of elliptical tubes made of polyvinyl chloride polymer material.
The direct evaporative cooler comprises a water storage tank b19 arranged at the bottom of the unit shell, a packing layer b12 and a water distributor b11 are sequentially arranged above a water storage tank b19 from bottom to top, a water storage tank b19 is communicated with a water distributor b11 through a pipeline, and a circulating water pump b18 is arranged on the pipeline.
The filler layer b12 can be made of different materials such as metal aluminum foil, glass fiber, plant fiber, composite polymer material and stainless steel according to different environmental conditions. The direct evaporative cooler can be opened or closed according to the humidity requirement of a refrigeration house.
A flow device 23 and a dry filter (25) are arranged between the evaporator 13 and the evaporative condenser 17, the flow device 23 can be adjusted, when the flow device is completely opened, the heat pipe circulation is operated, and the dry filter 25 is used for ensuring that all refrigerant entering the condenser is gaseous refrigerant; the flow rate device 23 is provided with a liquid observation mirror 24.
A filter a8 and a capillary tube 7 are provided between the oil separator 6 and the compressor 5. The oil separator 6, the capillary tube 7 and the filter a8 are for ensuring that the lubricating oil carried over in the compressor can be returned to the compressor after removing impurities.
As shown in fig. 2, the evaporative condenser 17 is a filler underneath type evaporative condenser, and includes a casing, an air inlet c33 is provided on a side wall of the casing, a water reservoir c35 is provided at a bottom of the casing, an exhaust fan 26 is provided at a position corresponding to the water reservoir c35 on an outer side of a top wall of the casing, a filler layer c34, a heat exchange coil 30, a water distributor c27, and a water baffle c28 are sequentially provided in the casing and between the water reservoir c35 and the exhaust fan 26 in an air intake direction, the water reservoir c35 is communicated with the water distributor c27 through a drain pipe, a circulating water pump c32 is provided on the drain pipe, a refrigerator inlet 29 of the heat exchange coil 30 is connected with the dry filter 25, and a refrigerator outlet 31 is connected with the oil separator 6.
The filler layer c34 can be made of different materials such as metal aluminum foil, glass fiber, plant fiber, composite polymer material and stainless steel according to different environmental conditions.
The utility model discloses evaporation refrigerating unit requires to have following two kinds of mode according to the outdoor condition of difference and freezer:
a transition refrigeration mode: when the outdoor temperature is higher in summer or transition seasons, the inlet air is precooled by the indirect evaporative cooler and enters the composite evaporative condenser and the air pump/compressor driving loop heat pipe system, and the inlet air is cooled mainly by the composite evaporative condenser and the air pump/compressor driving loop heat pipe system. Because the inlet air is precooled and the condenser is an evaporative condenser, the condensing temperature is effectively reduced, and the energy consumption of the composite evaporative condenser and the air pump/compressor driving loop heat pipe system is reduced. At the moment, the running rotating speed of the compressor can be reduced by adjusting the running rotating speed of the compressor and the opening degree of the flow device, the flow device is properly throttled and depressurized, a natural cold source can be utilized to the maximum extent, an approximate heat pipe system with energy-saving benefits is constructed, and refrigeration as required is realized. Because the air humidity is higher in summer and transition season, the direct evaporative cooler does not need to be started to humidify the supplied air.
Heat pipe circulation mode: the indirect evaporative cooler is started to carry out primary cooling on the inlet air, and the flow devices of the composite evaporative condenser and the air pump/compressor driving loop heat pipe system are completely opened. The inlet air is cooled secondarily by the simplest gas phase power type separated heat pipe system consisting of the compressor, the evaporative condenser, the evaporator and the flow device which only provide the power required by the gas flow. At the moment, the indirect evaporative cooler utilizes a natural cold source to the maximum extent, the composite evaporative condenser and the air pump/compressor driving loop heat pipe system achieve an almost complete heat pipe circulation mode, high-efficiency natural cooling is realized, and the effect of reducing energy consumption is achieved. Because of the air humidity is too low in winter, the direct evaporative cooler needs to be started to humidify the supplied air so as to meet the requirement of the refrigeration house on the humidity.
The utility model discloses an evaporation refrigerating unit can switch different mode according to the outdoor weather condition of difference, utilizes indirect evaporative cooler to carry out the precooling or once cooling to the air inlet, and air pump/compressor drive loop heat pipe system utilizes evaporative condenser, reduces the condensing temperature, and the time of the high-power operation of compressor is opened in furthest reduction to realize that furthest utilizes heat pipe circulation and evaporative cooling, reduce the energy consumption.
Claims (10)
1. The evaporative refrigeration unit based on the air pump/compressor drive loop heat pipe is characterized by comprising a unit shell, wherein an air inlet (16) and an air outlet (36) are respectively arranged on two opposite side walls of the unit shell, an indirect evaporative cooler, a direct evaporative cooler and a blower (9) are sequentially arranged in the unit shell and positioned between the air inlet (16) and the air outlet (36) according to the air inlet flow direction, a secondary exhaust fan (2) is arranged on the outer side of the top wall of the unit shell and at a position corresponding to the indirect evaporative cooler, and a secondary air inlet (22) is arranged on the side wall of the unit shell and at a position corresponding to the bottom of the indirect evaporative cooler;
the evaporation refrigerating unit also comprises a heat pipe loop system consisting of a compressor (5), a gas-liquid separator (1), an evaporator (13), an evaporative condenser (17) and an oil separator (6) which are sequentially connected into a closed loop through pipelines, wherein the evaporator (13) is arranged between the indirect evaporative cooler and the direct evaporative cooler.
2. The evaporative refrigeration unit according to claim 1, wherein a filter b (15) is provided between the air inlet (16) and the indirect evaporative cooler.
3. The evaporative refrigeration unit according to claim 1, wherein a water baffle b (10) is provided between the direct evaporative cooler and the blower (9).
4. The evaporative refrigeration unit according to claim 1, wherein a water baffle a (3) is provided between the indirect evaporative cooler and the secondary exhaust fan (2).
5. The evaporative refrigeration unit according to claim 4, wherein the water deflector a (3) is a corrugated water deflector.
6. The evaporative refrigeration unit according to any one of claims 1 to 4, wherein the indirect evaporative cooler comprises a reservoir a (21) arranged at the bottom of the unit shell, a heat exchange tube bundle (14) and a water distributor a (4) are arranged above the reservoir a (21) from bottom to top, the reservoir a (21) is communicated with the water distributor a (4) through a water supply pipe, and a circulating water pump a (20) is arranged on the water supply pipe.
7. The evaporative refrigeration unit according to any of claims 1 to 4, wherein the direct evaporative cooler comprises a reservoir b (19) arranged at the bottom of the unit shell, a packing layer b (12) and a water distributor b (11) are arranged above the reservoir b (19) from bottom to top, the reservoir b (19) is communicated with the water distributor b (11) through a pipeline, and a circulating water pump b (18) is arranged on the pipeline.
8. An evaporative refrigeration unit according to any of claims 1 to 4, wherein a flow device (23) and a dry filter (25) are provided between the evaporator (13) and the evaporative condenser (17), and a sight glass (24) is provided on the flow device (23).
9. An evaporative refrigeration unit according to any of claims 1 to 4, wherein a filter a (8) and a capillary tube (7) are provided between the oil separator (6) and the compressor (5).
10. The evaporative refrigeration unit of any of claims 1 to 4, the evaporative condenser (17) comprises a shell, an air inlet c (33) is arranged on the side wall of the shell, a reservoir c (35) is arranged at the bottom of the machine shell, an exhaust fan (26) is arranged at the position, corresponding to the reservoir c (35), outside the top wall of the machine shell, a packing layer c (34), a heat exchange coil pipe (30), a water distributor c (27) and a water baffle c (28) are sequentially arranged in the shell and between the reservoir c (35) and the exhaust fan (26) along the air inlet direction, the reservoir c (35) is communicated with the water distributor c (27) through a drain pipe, and a circulating water pump c (32) is arranged on the drain pipe, and two ends of the heat exchange coil (30) are respectively connected with the drying filter (25) and the oil separator (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122826535.2U CN216432223U (en) | 2021-11-17 | 2021-11-17 | Evaporation refrigerating unit based on air pump/compressor driving loop heat pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122826535.2U CN216432223U (en) | 2021-11-17 | 2021-11-17 | Evaporation refrigerating unit based on air pump/compressor driving loop heat pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216432223U true CN216432223U (en) | 2022-05-03 |
Family
ID=81338582
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122826535.2U Expired - Fee Related CN216432223U (en) | 2021-11-17 | 2021-11-17 | Evaporation refrigerating unit based on air pump/compressor driving loop heat pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216432223U (en) |
-
2021
- 2021-11-17 CN CN202122826535.2U patent/CN216432223U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220503 |