CN221802570U - Mechanical refrigerating unit heat exchanger structure with natural cooling function - Google Patents
Mechanical refrigerating unit heat exchanger structure with natural cooling function Download PDFInfo
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- CN221802570U CN221802570U CN202420238290.2U CN202420238290U CN221802570U CN 221802570 U CN221802570 U CN 221802570U CN 202420238290 U CN202420238290 U CN 202420238290U CN 221802570 U CN221802570 U CN 221802570U
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- 238000001816 cooling Methods 0.000 title claims abstract description 48
- 238000005057 refrigeration Methods 0.000 claims abstract description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 69
- 239000007788 liquid Substances 0.000 claims description 15
- 239000003507 refrigerant Substances 0.000 claims description 12
- 230000009471 action Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model relates to the technical field of mechanical refrigeration heat exchangers, and discloses a heat exchanger structure of a mechanical refrigerating unit with natural cooling, and an air heat exchange assembly connected with the mechanical refrigerating unit; the air heat exchange assembly comprises a case, a plurality of condensing fans are installed at the top of the case, and a V-shaped mechanical refrigeration heat exchanger and a V-shaped natural cooling heat exchanger are installed on the inner wall of the case. According to the heat exchanger structure of the mechanical refrigerating unit with natural cooling, through the arrangement of the V-shaped mechanical refrigerating heat exchanger and the V-shaped natural cooling heat exchanger, under the action of the condensing fan, all air firstly passes through the natural cooling heat exchanger and then passes through the mechanical refrigerating heat exchanger, and is discharged out of the unit through the condensing fan, frozen backwater firstly enters the V-shaped natural cooling heat exchanger to be cooled, then enters the mechanical refrigerating unit to be further cooled, the V-shaped natural cooling heat exchanger and the V-shaped mechanical refrigerating heat exchanger are matched and circulated, and the heat exchange quantity is greatly reduced in temperature.
Description
Technical Field
The utility model relates to the technical field of mechanical refrigeration heat exchangers, in particular to a heat exchanger structure of a mechanical refrigerating unit with natural cooling.
Background
Refrigeration and freezing units are a common type of industrial refrigeration equipment that can chill air or water to a desired temperature. The main components of the device comprise a compressor, a condenser, a throttling device and an evaporator, and the temperature of air or water is reduced by the processes of compression, condensation, expansion, evaporation and the like of the refrigerant in the compressor. Specifically, the refrigerant is compressed into a high-temperature and high-pressure gas in a compressor, and then cooled in a condenser.
The condenser belongs to one kind of heat exchanger, can change gas or vapour into liquid, and the heat in the pipe is passed to the air near the pipe with quick mode, only carries out the heat transfer through mechanical refrigeration heat exchanger, and the heat transfer volume of once circulation is little, causes the heat transfer speed slow, and the effect of cooling is poor.
Disclosure of utility model
Aiming at the defects of the prior art, the utility model provides a heat exchanger structure of a mechanical refrigerating unit with natural cooling, which solves the problems mentioned in the background.
The utility model provides the following technical scheme: a mechanical freezer heat exchanger structure with natural cooling, comprising: the air heat exchange assembly is connected with the mechanical refrigerating unit;
The air heat exchange assembly comprises a case, a plurality of condensing fans are arranged at the top of the case, a V-shaped mechanical refrigeration heat exchanger and a V-shaped natural cooling heat exchanger are arranged on the inner wall of the case, and the V-shaped mechanical refrigeration heat exchanger is located above the V-shaped natural cooling heat exchanger.
Preferably, the V-shaped mechanical refrigeration heat exchanger comprises a plurality of first heat exchange plates, a liquid inlet pipe and a liquid return pipe, wherein the plurality of first heat exchange plates are arranged in parallel, and the plurality of first heat exchange plates are arranged between the liquid inlet pipe and the liquid return pipe.
Preferably, the natural cooling heat exchanger comprises a plurality of second heat exchange plates, a water inlet pipe and a water return pipe, wherein the second heat exchange plates are arranged in parallel, and the second heat exchange plates are arranged between the water inlet pipe and the water return pipe.
Preferably, a plurality of flow channels are arranged in the first heat exchange plate and the second heat exchange plate.
Preferably, heat dissipation fins are arranged between the adjacent first heat exchange plates and the adjacent second heat exchange plates.
Preferably, a fixing piece is arranged on the inner wall of the case, and the V-shaped mechanical refrigeration heat exchanger is connected with the V-shaped natural cooling heat exchanger through the fixing piece.
Preferably, the mechanical refrigerating unit comprises a compressor, an evaporator and a throttling device, wherein the compressor, the evaporator, the throttling device and the V-shaped mechanical refrigerating heat exchanger are sequentially connected through refrigerant pipelines to form a refrigerant circulation loop, and a first valve is arranged on the surface of one refrigerant pipeline.
Preferably, the water cooling device further comprises a chilled water pump, wherein a main water pipe is arranged at the water outlet end of the chilled water pump, one end of the main water pipe is connected with the water inlet end of the evaporator, two water diversion pipes are respectively arranged on the surface of the main water pipe, one end of one water diversion pipe is connected with the water inlet of the water inlet pipe, one end of the other water diversion pipe is connected with the water outlet of the water return pipe, and a second valve is arranged on the surfaces of the main water pipe and the two water diversion pipes.
Compared with the prior art, the utility model has the following beneficial effects:
According to the heat exchanger structure of the mechanical refrigerating unit with natural cooling, through the arrangement of the V-shaped mechanical refrigerating heat exchanger and the V-shaped natural cooling heat exchanger, under the action of the condensing fan, all air firstly passes through the natural cooling heat exchanger and then passes through the mechanical refrigerating heat exchanger, and is discharged out of the unit through the condensing fan, frozen backwater firstly enters the V-shaped natural cooling heat exchanger to be cooled, then enters the mechanical refrigerating unit to be further cooled, the V-shaped natural cooling heat exchanger and the V-shaped mechanical refrigerating heat exchanger are matched and circulated, and the heat exchange quantity is greatly reduced in temperature.
Drawings
FIG. 1 is a schematic view of the internal structure of the present utility model;
FIG. 2 is a schematic view of the V-shaped mechanical refrigeration heat exchanger of the utility model;
FIG. 3 is a schematic side sectional view of a first heat exchanger plate of the present utility model;
FIG. 4 is a schematic view of a V-shaped natural cooling heat exchanger according to the present utility model;
Fig. 5 is a schematic side sectional view of a second heat exchanger plate according to the present utility model.
In the figure: 1. a chassis; 2. a condensing fan; 3. v-shaped mechanical refrigeration heat exchanger; 31. a first heat exchange plate; 32. a liquid inlet pipe; 33. a liquid return pipe; 4. v-shaped natural cooling heat exchanger; 41. a second heat exchange plate; 42. a water inlet pipe; 43. a water return pipe; 5. a flow passage; 6. a heat radiation fin; 7. a fixing member; 8. an evaporator; 9. a second valve; 10. a refrigerant pipe; 11. a first valve; 12. a chilled water pump; 13. a main water pipe; 14. a water diversion pipe.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-5, a heat exchanger structure of a mechanical refrigeration unit with natural cooling, comprising: the air heat exchange assembly is connected with the mechanical refrigerating unit;
The air heat exchange assembly comprises a case 1, a plurality of condensing fans 2 are arranged at the top of the case 1, a V-shaped mechanical refrigeration heat exchanger 3 and a V-shaped natural cooling heat exchanger 4 are arranged on the inner wall of the case 1, and the V-shaped mechanical refrigeration heat exchanger 3 is positioned above the V-shaped natural cooling heat exchanger 4.
Referring to fig. 2-3, the v-shaped mechanical refrigeration heat exchanger 3 includes a plurality of first heat exchange fins 31, a liquid inlet tube 32 and a liquid return tube 33, the plurality of first heat exchange fins 31 are disposed parallel to each other, and the plurality of first heat exchange fins 31 are all installed between the liquid inlet tube 32 and the liquid return tube 33.
Referring to fig. 4-5, the natural cooling heat exchanger includes a plurality of second heat exchange fins 41, a water inlet pipe 42 and a water return pipe 43, the plurality of second heat exchange fins 41 are disposed parallel to each other, and the plurality of second heat exchange fins 41 are installed between the water inlet pipe 42 and the water return pipe 43.
The first heat exchanger plate 31 and the second heat exchanger plate 41 are each provided with a plurality of flow passages 5 inside.
Radiating fins 6 are provided between each of the adjacent first heat exchange fins 31 and the adjacent second heat exchange fins 41.
The inner wall of the case 1 is provided with a fixing part 7,V type mechanical refrigeration heat exchanger 3 which is connected with the V-type natural cooling heat exchanger 4 through a fixing part 7.
The mechanical refrigerating unit comprises a compressor, an evaporator 8 and a throttling device, wherein the compressor, the evaporator 8, the throttling device and the V-shaped mechanical refrigerating heat exchanger 3 are sequentially connected through a refrigerant pipeline 10 to form a refrigerant circulation loop, and a first valve 11 is arranged on the surface of one refrigerant pipeline 10.
In a specific embodiment, the water treatment device further comprises a chilled water pump 12, a main water pipe 13 is installed at the water outlet end of the chilled water pump 12, one end of the main water pipe 13 is connected with the water inlet end of the evaporator 8, two water diversion pipes 14 are respectively arranged on the surface of the main water pipe 13, one end of one water diversion pipe 14 is connected with the water inlet of the water inlet pipe 42, one end of the other water diversion pipe 14 is connected with the water outlet of the water return pipe 43, and the second valve 9 is installed on the surfaces of the main water pipe 13 and the two water diversion pipes 14.
Under the action of the condensing fan 2, all air passes through the natural cooling heat exchanger, then passes through the mechanical refrigeration heat exchanger, is discharged out of the unit through the condensing fan 2, and frozen backwater firstly enters the V-shaped natural cooling heat exchanger 4 for cooling and then enters the V-shaped mechanical refrigeration heat exchanger 3 of the mechanical refrigeration unit for further cooling, the V-shaped natural cooling heat exchanger 4 and the V-shaped mechanical refrigeration heat exchanger 3 are matched for circulation, and the heat exchange quantity is large, and the cooling effect is good.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. A mechanical freezer heat exchanger structure with natural cooling, comprising: the air heat exchange assembly is connected with the mechanical refrigerating unit;
The air heat exchange assembly comprises a case (1), a plurality of condensing fans (2) are arranged at the top of the case (1), a V-shaped mechanical refrigeration heat exchanger (3) and a V-shaped natural cooling heat exchanger (4) are arranged on the inner wall of the case (1), and the V-shaped mechanical refrigeration heat exchanger (3) is located above the V-shaped natural cooling heat exchanger (4).
2. The heat exchanger structure of a mechanical refrigerating unit with natural cooling according to claim 1, wherein the V-shaped mechanical refrigerating heat exchanger (3) comprises a plurality of first heat exchange fins (31), a liquid inlet pipe (32) and a liquid return pipe (33), the plurality of first heat exchange fins (31) are arranged in parallel with each other, and the plurality of first heat exchange fins (31) are arranged between the liquid inlet pipe (32) and the liquid return pipe (33).
3. The heat exchanger structure of a mechanical refrigerating unit with natural cooling according to claim 2, wherein the natural cooling heat exchanger comprises a plurality of second heat exchanging fins (41), a water inlet pipe (42) and a water return pipe (43), the plurality of second heat exchanging fins (41) are arranged in parallel with each other, and the plurality of second heat exchanging fins (41) are arranged between the water inlet pipe (42) and the water return pipe (43).
4. A mechanical freezer heat exchanger structure with natural cooling according to claim 3 wherein the first heat exchanger plate (31) and the second heat exchanger plate (41) are each provided with a plurality of flow channels (5) inside.
5. A mechanical freezer heat exchanger structure with natural cooling according to claim 3 wherein heat radiating fins (6) are provided between adjacent first heat exchanger fins (31) and adjacent second heat exchanger fins (41).
6. The heat exchanger structure of the mechanical refrigerating unit with natural cooling according to claim 1, wherein a fixing piece (7) is installed on the inner wall of the case (1), and the V-shaped mechanical refrigerating heat exchanger (3) is connected with the V-shaped natural cooling heat exchanger (4) through the fixing piece (7).
7. The heat exchanger structure of the mechanical refrigerating unit with natural cooling according to claim 3, wherein the mechanical refrigerating unit comprises a compressor, an evaporator (8) and a throttling device, the compressor, the throttling device, the V-shaped mechanical refrigerating heat exchanger (3) and the evaporator (8) are sequentially connected through a refrigerant pipeline (10) to form a refrigerant circulation loop, and a first valve (11) is arranged on the surface of one refrigerant pipeline (10).
8. The mechanical refrigerating unit heat exchanger structure with natural cooling according to claim 7, further comprising a chilled water pump (12), wherein a main water pipe (13) is installed at the water outlet end of the chilled water pump (12), one end of the main water pipe (13) is connected with the water inlet end of the evaporator (8), two water diversion pipes (14) are respectively arranged on the surface of the main water pipe (13), one end of one water diversion pipe (14) is connected with the water inlet of the water inlet pipe (42), one end of the other water diversion pipe (14) is connected with the water outlet of the water return pipe (43), and the surfaces of the main water pipe (13) and the two water diversion pipes (14) are both provided with second valves (9).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202420238290.2U CN221802570U (en) | 2024-01-31 | 2024-01-31 | Mechanical refrigerating unit heat exchanger structure with natural cooling function |
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CN202420238290.2U CN221802570U (en) | 2024-01-31 | 2024-01-31 | Mechanical refrigerating unit heat exchanger structure with natural cooling function |
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CN221802570U true CN221802570U (en) | 2024-10-01 |
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CN202420238290.2U Active CN221802570U (en) | 2024-01-31 | 2024-01-31 | Mechanical refrigerating unit heat exchanger structure with natural cooling function |
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- 2024-01-31 CN CN202420238290.2U patent/CN221802570U/en active Active
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