CN216204500U - Siphon oil cooling device - Google Patents
Siphon oil cooling device Download PDFInfo
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- CN216204500U CN216204500U CN202122734242.1U CN202122734242U CN216204500U CN 216204500 U CN216204500 U CN 216204500U CN 202122734242 U CN202122734242 U CN 202122734242U CN 216204500 U CN216204500 U CN 216204500U
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- oil cooling
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Abstract
The utility model relates to a siphon oil cooling device which comprises a gas-liquid separator, an oil cooling plate exchanger and a liquid storage device, wherein a second pipeline, a third pipeline, a fifth pipeline and a sixth pipeline are connected to the oil cooling plate exchanger, a first connecting pipe of the gas-liquid separator is connected with a condenser, a fourth connecting pipe of the gas-liquid separator, the second pipeline, the oil cooling plate exchanger, the third pipeline and a third connecting pipe of the gas-liquid separator are sequentially connected to form a first heat exchange pipeline, a second connecting pipe of the gas-liquid separator is connected with the liquid storage device, one end of the oil separator, one end of the fifth pipeline, one end of the oil cooling plate exchanger and one end of the sixth pipeline are sequentially connected to form a second heat exchange pipeline, and the other end of the sixth pipeline is connected with an oil return port of a compressor. The utility model can cool the oil liquid supplied to the refrigerating unit, so as to ensure the stability of the oil temperature supplied to the refrigerating unit and reduce the equipment cost.
Description
Technical Field
The utility model relates to the technical field of refrigeration, in particular to a siphon oil cooling device.
Background
The existing oil liquid cooling for the refrigerating unit generally adopts the following modes: 1. the water cooling system, the problem that oil cooler heat transfer is influenced in the heat exchange of heat exchange tube scale deposit, reduce cooling efficiency. 2. The wind cooling system, the motor operation has the problem of power consumption. 3. Adopt pressure vessel to realize the siphon mode cooling, increase equipment cost, and need report the pressure vessel of testing.
Therefore, it is an object of the present invention to develop a cooling device with high cooling efficiency and reduced equipment cost.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is to provide a siphon oil cooling device to solve the problems mentioned in the background art.
The utility model provides a siphon oil cooling device which comprises a gas-liquid separator, an oil cooling plate exchanger and a liquid storage device, wherein a second pipeline, a third pipeline, a fifth pipeline and a sixth pipeline are connected to the oil cooling plate exchanger, a first connecting pipe of the gas-liquid separator is connected with a condenser, a fourth connecting pipe of the gas-liquid separator, the second pipeline, the oil cooling plate exchanger, the third pipeline and a third connecting pipe of the gas-liquid separator are sequentially connected to form a first heat exchange pipeline, a second connecting pipe of the gas-liquid separator is connected with the liquid storage device, one ends of the oil separator, the fifth pipeline, the oil cooling plate exchanger and the sixth pipeline are sequentially connected to form a second heat exchange pipeline, and the other end of the sixth pipeline is connected with an oil return port of a compressor.
Preferably, the gas-liquid separator includes a jar body, first connecting pipe, second connecting pipe, third connecting pipe and fourth connecting pipe, jar vertical setting of body, the one end of first connecting pipe is connected with the top of the jar body, the other end of first connecting pipe is connected with the condenser through first pipeline, the one end and the first connecting pipe of second connecting pipe are connected, the other end of second connecting pipe is connected with the reservoir through the fourth pipeline, the one end and the second connecting pipe of third connecting pipe are connected, the other end and the blast pipe of third connecting pipe are connected, the one end and the bottom of the jar body of fourth connecting pipe are connected, the other end of fourth connecting pipe is traded through the second pipeline and is connected with the oil cold plate.
In any of the above aspects, preferably, the oil separator is provided with a temperature sensor.
In any of the above schemes, preferably, a seventh pipeline is further provided between the fifth pipeline and the sixth pipeline, and the seventh pipeline is provided with an electromagnetic valve.
In any of the above embodiments, preferably, the fifth pipeline is provided with a first stop valve, a filter vat, an angle valve and a second stop valve in sequence from the oil outlet direction.
In any of the above aspects, preferably, the oil separator and the reservoir are respectively provided with a double relief valve.
Compared with the prior art, the utility model has the advantages and beneficial effects that:
the liquid cooling plate enters the oil cooling plate for exchange under the action of gravity formed by a liquid column, and the liquid of the refrigerant exchanges heat with the oil side, meanwhile, as the density of the refrigerant is gradually reduced in the evaporation process, the density of a gas-liquid mixture in the gas return pipe of the oil cooling plate is lower than that of the liquid in the liquid supply pipe of the oil cooling plate, a pressure difference can be formed by the density difference, the formed pressure difference enables the liquid refrigerant to continuously flow into the oil cooling plate for exchange, the heat of the oil is continuously absorbed, the cooling of the oil is realized, high-pressure steam generated by evaporation enters the exhaust port of the condenser, the gas after gas-liquid separation enters the condenser for continuous circulation under the siphon action formed by the exhaust of the compressor, the cooling effect is obvious, and the oil supply temperature of the refrigerating unit is stable.
By adopting the siphon mode, a pressure container (such as a siphon tank) is not required to be configured, and the siphon mode can be realized only by forming a liquid column in the vertical gas-liquid separator, so that the equipment cost is reduced.
The siphon oil cooling device of the present invention will be further described with reference to the accompanying drawings.
Drawings
FIG. 1 is a schematic diagram of a siphon oil cooling apparatus according to the present invention;
FIG. 2 is a schematic view showing a structure of a gas-liquid separator in a siphon oil cooling apparatus according to the present invention;
wherein: 1. a first pipeline; 2. a gas-liquid separator; 21. a tank body; 22. a first connecting pipe; 23. a second connecting pipe; 24. a third connecting pipe; 25. a fourth connecting pipe; 3. a second pipeline; 4. oil cooling plate replacement; 5. a third pipeline; 6. a fourth pipeline; 7. a reservoir; 8. an oil separator; 9. a fifth pipeline; 10. a sixth pipeline; 11. a seventh pipeline; 12. an exhaust pipe; 13. a screw compressor; 14. a first shut-off valve; 15. a filter vat; 16. an angle valve; 17. a second stop valve; 18. an electromagnetic valve; 19. double safety valves.
Detailed Description
As shown in fig. 1, the present invention provides a siphon oil cooling device, including a gas-liquid separator 2, an oil separator 8, an oil-cold plate exchanger 4 and a liquid reservoir 7, wherein the oil-cold plate exchanger 4 is connected with a second pipeline 3, a third pipeline 5, a fifth pipeline 9 and a sixth pipeline 10, a first connecting pipe 22 of the gas-liquid separator 2 is connected with a condenser, a fourth connecting pipe 25 of the gas-liquid separator 2, the second pipeline 3, the oil-cold plate exchanger 4, the third pipeline 5 and a third connecting pipe 24 of the gas-liquid separator 2 are sequentially connected to form a first heat exchange pipeline, a second connecting pipe 23 of the gas-liquid separator 2 is connected with the liquid reservoir 7, one ends of the oil separator 8, the fifth pipeline 9, the oil-cold plate exchanger 4 and the sixth pipeline 10 are sequentially connected to form a second heat exchange pipeline, and the other end of the sixth pipeline 10 is connected with an oil return port of a screw compressor 13.
As shown in fig. 2, the gas-liquid separator 2 includes a tank 21, a first connection pipe 22, a second connection pipe 23, a third connection pipe 24 and a fourth connection pipe 25, the tank 21 is vertically disposed, one end of the first connection pipe 22 is connected to the top of the tank 21, the other end of the first connection pipe 22 is connected to the condenser through the first pipeline 1, one end of the second connection pipe 23 is connected to the first connection pipe 22, the other end of the second connection pipe 23 is connected to the liquid reservoir 7 through the fourth pipeline 6, one end of the third connection pipe 24 is connected to the second connection pipe 23, the other end of the third connection pipe 24 is connected to the exhaust pipe 12, one end of the fourth connection pipe 25 is connected to the bottom of the tank 21, and the other end of the fourth connection pipe 25 is connected to the oil cooling plate 4 through the second pipeline 3. Wherein, the tank body 21 is formed by welding carbon steel pipes.
The siphon oil cooling device of this embodiment cools down the fluid of supplying with refrigerating unit to guarantee the stability for refrigerating unit oil feed temperature. The operation of the siphon oil cooling apparatus will be described in detail.
The high-temperature and high-pressure refrigerant gas discharged after being compressed by the screw compressor 13 is conveyed to the oil separator 8, the refrigerant gas separated by the oil separator 8 is discharged to the condenser, and after heat exchange is carried out with an external medium, a small part of formed refrigerant liquid enters the gas-liquid separator 2 through the first pipeline 1 and the first connecting pipe 22 in sequence, the liquid column of the part of refrigerant liquid is formed in the gas-liquid separator 2 by virtue of gravity, and the part of refrigerant liquid enters the oil cooling plate exchanger 4 through the fourth connecting pipe 25 and the second pipeline 3 in sequence, and the refrigerant gas is formed after heat exchange in the oil cooling plate exchanger 4 and is discharged to the condenser through the third pipeline 5, the third connecting pipe 24 and the exhaust pipe 12 in sequence. The high-temperature lubricating oil separated by the oil separator 8 enters the oil cooling plate exchanger 4 through the fifth pipeline 9, exchanges heat in the oil cooling plate exchanger 4 to cool the lubricating oil, and flows back to an oil return port of the screw compressor 13 through the sixth pipeline 10. The refrigerant and the lubricating oil exchange heat in the oil-cold plate 4, the refrigerant liquid absorbs the heat of the lubricating oil and evaporates into refrigerant gas-liquid mixture or gas, wherein the refrigerant gas enters the condenser through the third connecting pipe 24 and the exhaust pipe 12, and the refrigerant liquid falls back into the gas-liquid separator 2 under the action of gravity. The other most part of the refrigerant liquid discharged from the condenser is introduced into the accumulator 7 through the second connection pipe 23 and the fourth line 6.
The siphon oil cooling device of this embodiment, through the action of gravity that utilizes the liquid column to form, it trades 4 to get into the oil cooling board, through refrigerant liquid and oil side heat exchange, simultaneously, because the refrigerant density reduces gradually in the evaporation process, the density that the oil cooling board trades the gas-liquid mixture in 4 muffler is less than the density that the oil cooling board trades liquid in the 4 feed lines, this kind of density difference can form a pressure differential, this pressure differential that forms makes liquid refrigerant constantly flow into the oil cooling board and trades 4 in, constantly absorb the heat of oil, realize the cooling of oil, the produced high-pressure steam of evaporation gets into the condenser gas vent, gas behind the gas-liquid separation gets into the condenser and continues the circulation under the effect that the compressor exhaust formed, the cooling effect is obvious, make the siphon refrigerating unit fuel feeding temperature stable. Moreover, by adopting the siphon mode, a pressure container (such as a siphon tank) is not required to be configured, and the siphon mode can be realized only by forming a liquid column in the vertical gas-liquid separator 2, so that the equipment cost is reduced.
Further, the oil separator 8 is provided with a temperature sensor. A seventh pipeline 11 is further arranged between the fifth pipeline 9 and the sixth pipeline 10, and an electromagnetic valve 18 is arranged on the seventh pipeline 11.
The temperature sensor is used for monitoring the lubricating oil in the oil separator 8 in real time, when the temperature exceeds a limit value, the electromagnetic valve 18 on the seventh pipeline 11 is closed, the high-temperature lubricating oil enters the oil cooling plate through the fifth pipeline 9 to exchange 4, and exchanges heat with the refrigerant side, the cooled lubricating oil flows back to the oil return port of the screw compressor 13 through the sixth pipeline 10, so that the cooling of the lubricating oil is realized, and at the moment, the refrigerant side normally works according to the working process. When the unit is stopped for a long time, the ambient temperature is low, and the temperature does not exceed the limit value, the electromagnetic valve 18 on the seventh pipeline 11 is opened, a part of the lubricating oil directly enters the sixth pipeline 10 through the fifth pipeline 9 and the seventh pipeline 11 in sequence, meanwhile, most of the high-temperature lubricating oil enters the oil cooling plate 4 through the fifth pipeline 9, the cooled lubricating oil flows back into an oil return port of the screw compressor 13 through the sixth pipeline 10, most of the refrigerant liquid discharged by the condenser flows to the liquid reservoir 7 through the fourth pipeline 6, and the separated gas is discharged through the exhaust pipe 12.
Further, a first stop valve 14, a filter barrel 15, an angle valve 16 and a second stop valve 17 are sequentially arranged on the fifth pipeline 9 from the oil outlet direction.
Further, a double safety valve 19 is respectively arranged on the oil separator 8 and the reservoir 7. The double safety valve 19 includes a safety valve seat, and a first installation valve and a second safety valve respectively connected to the safety valve seat, and the first safety valve and the second safety valve are disposed side by side on the safety valve seat.
The first safety valve and the second safety valve work alternately and cannot be closed or opened simultaneously. When one safety valve is verified, the other safety valve can still work normally to ensure the pressure balance inside the oil separator 8 and the liquid reservoir 7, the safety performance is high, and the machine does not need to be stopped for verification.
The above-mentioned embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solution of the present invention by those skilled in the art should fall within the protection scope defined by the claims of the present invention without departing from the spirit of the present invention.
Claims (6)
1. A siphon oil cooling device is characterized in that: including vapour and liquid separator, oil cold plate trade and reservoir, the oil cold plate is changed and is connected with second pipeline, third pipeline, fifth pipeline and sixth pipeline, vapour and liquid separator's first connecting pipe is connected with the condenser, vapour and liquid separator's fourth connecting pipe, second pipeline, oil cold plate trade, third pipeline, vapour and liquid separator's third connecting pipe connects gradually and forms first heat transfer pipeline, vapour and liquid separator's second connecting pipe is connected with the reservoir, oil separator, fifth pipeline, oil cold plate trade, the one end of sixth pipeline connect gradually and form second heat transfer pipeline, the other end of sixth pipeline is connected with the oil return opening of compressor.
2. The siphon oil cooling apparatus of claim 1, wherein: the gas-liquid separator comprises a tank body, a first connecting pipe, a second connecting pipe, a third connecting pipe and a fourth connecting pipe, wherein the tank body is vertically arranged, one end of the first connecting pipe is connected with the top of the tank body, the other end of the first connecting pipe is connected with a condenser through a first pipeline, one end of the second connecting pipe is connected with the first connecting pipe, the other end of the second connecting pipe is connected with a liquid storage device through a fourth pipeline, one end of the third connecting pipe is connected with the second connecting pipe, the other end of the third connecting pipe is connected with an exhaust pipe, one end of the fourth connecting pipe is connected with the bottom of the tank body, and the other end of the fourth connecting pipe is connected with an oil cooling plate through a second pipeline.
3. The siphon oil cooling apparatus of claim 1, wherein: and a temperature sensor is arranged on the oil separator.
4. The siphon oil cooling apparatus of claim 3, wherein: a seventh pipeline is further arranged between the fifth pipeline and the sixth pipeline, and an electromagnetic valve is arranged on the seventh pipeline.
5. The siphon oil cooling apparatus of claim 1, wherein: and a first stop valve, a filter barrel, an angle valve and a second stop valve are sequentially arranged on the fifth pipeline from the oil outlet direction.
6. The siphon oil cooling apparatus of claim 1, wherein: and the oil separator and the liquid reservoir are respectively provided with a double safety valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122734242.1U CN216204500U (en) | 2021-11-09 | 2021-11-09 | Siphon oil cooling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122734242.1U CN216204500U (en) | 2021-11-09 | 2021-11-09 | Siphon oil cooling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216204500U true CN216204500U (en) | 2022-04-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122734242.1U Active CN216204500U (en) | 2021-11-09 | 2021-11-09 | Siphon oil cooling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216204500U (en) |
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2021
- 2021-11-09 CN CN202122734242.1U patent/CN216204500U/en active Active
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