CN220287831U - Air-cooled double-channel explosion-proof compression condensing unit - Google Patents
Air-cooled double-channel explosion-proof compression condensing unit Download PDFInfo
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- CN220287831U CN220287831U CN202321786556.9U CN202321786556U CN220287831U CN 220287831 U CN220287831 U CN 220287831U CN 202321786556 U CN202321786556 U CN 202321786556U CN 220287831 U CN220287831 U CN 220287831U
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- 230000006835 compression Effects 0.000 title claims abstract description 17
- 238000007906 compression Methods 0.000 title claims abstract description 17
- 239000007788 liquid Substances 0.000 claims abstract description 45
- 238000010257 thawing Methods 0.000 claims abstract description 14
- 238000001816 cooling Methods 0.000 abstract description 5
- 238000011084 recovery Methods 0.000 abstract description 5
- 238000005057 refrigeration Methods 0.000 abstract description 5
- 238000004064 recycling Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
The utility model relates to an air-cooled double-channel explosion-proof compression condensing unit which comprises an explosion-proof compressor, an oil separator, an explosion-proof air-cooled condenser, a liquid reservoir, a gas-liquid separator and a double-channel evaporator, wherein the oil separator is connected with the explosion-proof compressor, the explosion-proof air-cooled condenser is connected with the oil separator, the explosion-proof compressor is connected with the gas-liquid separator, the gas-liquid separator is connected with the double-channel evaporator, the double-channel evaporator is connected with the liquid reservoir, and the liquid reservoir is connected with the explosion-proof air-cooled condenser. According to the utility model, the oil gas can be separated from the low-temperature refrigeration in the oil gas recovery device by switching the cooling and defrosting of the double channels, the working flow is in seamless connection without stopping, the oil gas circulation is continuous, after one channel is blocked, the other channel can be circulated and circulated immediately, the smoothness of the oil gas flow and the uninterrupted of the oil gas circulation are ensured, the problem of frosting the inner surface and the outer surface of the cold box for the low-temperature refrigeration house is solved, and the continuous and stable operation of the system is ensured.
Description
Technical Field
The utility model relates to an air-cooled explosion-proof compression condensing unit, in particular to an air-cooled double-channel explosion-proof compression condensing unit with a double-channel automatic switching function for a low-temperature refrigerator in an oil gas recovery device.
Background
The general oil gas recovery condensing equipment's demand is below-25 ℃, and the evaporation temperature of the evaporimeter of first cold box and the evaporimeter of second cold box is below-35 ℃, and this just requires the air-cooled compression condensing unit to work under low temperature operating mode, because of the unit during low temperature operating mode, the evaporimeter of first cold box and the evaporimeter inner and outer surface of second cold box can frost, if not in time defrosting can lead to the oil gas circulation of unit to take place to block up.
Disclosure of Invention
Aiming at the defects in the prior art, the utility model provides an air-cooled double-channel explosion-proof compression condensing unit which is energy-saving, safe and free from use restriction, and solves the problem of frosting of the inner surface and the outer surface of a cold box.
The utility model is realized by the following technical scheme:
the utility model provides an air-cooled double-channel explosion-proof compression condensing unit which comprises an explosion-proof compressor, an oil separator, an explosion-proof air-cooled condenser, a liquid reservoir, a gas-liquid separator and a double-channel evaporator.
In a preferred embodiment of the present utility model, the dual-channel evaporator includes a first cooling tank, a first evaporator disposed in the first cooling tank, a second cooling tank, and a second evaporator disposed in the second cooling tank.
In order to realize throttling and depressurization, the first evaporator is connected with the liquid storage device through a first expansion valve and a first explosion-proof electromagnetic valve, and the second evaporator is connected with the liquid storage device through a second expansion valve and a second explosion-proof electromagnetic valve; the first evaporator is connected with the liquid storage device through a first one-way valve, and the second evaporator is connected with the liquid storage device through a second one-way valve.
In order to realize defrosting, the first evaporator and the second evaporator are respectively connected with the oil separator through a first defrosting valve and a second defrosting valve.
In order to facilitate the return air, the first evaporator and the second evaporator are respectively connected with the gas-liquid separator through a first return air valve and a second return air valve.
In order to ensure the stability during operation, the oil separator is connected with the explosion-proof air-cooled condenser through a constant pressure valve.
The beneficial effects of the utility model are as follows: the air-cooled double-channel explosion-proof compression condensing unit can be used for switching the double-channel refrigeration and defrosting in the oil gas recovery device, so that oil gas is separated in the low-temperature refrigeration in the oil gas recovery device, the working flow is in seamless connection without stopping, the oil gas circulation is continuous, after one channel is blocked, the other channel can be immediately circulated and circulated, the smoothness of the oil gas flow and the uninterrupted property of the oil gas circulation are ensured, the problem of frosting of the inner surface and the outer surface of a cold box for a low-temperature refrigeration house is solved, and the continuous and stable operation of a system is ensured.
Drawings
FIG. 1 is a schematic diagram of an air-cooled two-channel explosion-proof compression condensing unit of the present utility model.
Detailed Description
The preferred embodiments of the present utility model will be described in detail below with reference to the attached drawings so that the advantages and features of the present utility model can be more easily understood by those skilled in the art, thereby making clear and defining the scope of the present utility model.
The air-cooled double-channel explosion-proof compression condensing unit shown in fig. 1 comprises an explosion-proof compressor 3, an oil separator 2, an explosion-proof air-cooled condenser 1, a liquid reservoir 5, a gas-liquid separator 4 and a double-channel evaporator, wherein the oil separator 2 is connected with the explosion-proof compressor 3, the explosion-proof air-cooled condenser 1 is connected with the oil separator 2, a constant pressure valve 20 is arranged between connecting pipelines of the explosion-proof air-cooled condenser, the explosion-proof compressor 3 is connected with the gas-liquid separator 4, the gas-liquid separator 4 is connected with the double-channel evaporator, the double-channel evaporator is connected with the liquid reservoir 5, and the liquid reservoir 5 is connected with the explosion-proof air-cooled condenser 1.
Specifically, the dual-channel evaporator comprises a first cold box 6, a first evaporator 8 arranged in the first cold box 6, a second cold box 7 and a second evaporator 9 arranged in the second cold box 7, wherein the first evaporator 8 is connected with the liquid reservoir 5 through a first expansion valve 11 and a first explosion-proof electromagnetic valve 10, the second evaporator 9 is connected with the liquid reservoir 5 through a second expansion valve 13 and a second explosion-proof electromagnetic valve 12, the first evaporator 8 is connected with the liquid reservoir 5 through a first one-way valve 14, the second evaporator 9 is connected with the liquid reservoir 5 through a second one-way valve 15, the first evaporator 8 and the second evaporator 9 are respectively connected with the oil separator 2 through a first defrosting valve 16 and a second defrosting valve 17, and the first evaporator 8 and the second evaporator 9 are respectively connected with the gas-liquid separator 4 through a first air return valve 18 and a second air return valve 19.
The working principle of the utility model is as follows:
and (3) channel A operation: the explosion-proof compressor 3 operates, the exhaust gas passes through the oil separator 2, after preliminary oil separation, high-temperature oil gas enters the explosion-proof air-cooled condenser 1 through the constant pressure valve 20 (the constant pressure valve is normally open in normal operation), then enters the liquid reservoir 5, is throttled and depressurized through the first expansion valve 11 through the first explosion-proof electromagnetic valve 10, evaporates in the first evaporator 8 of the first cold box 6, then enters the gas-liquid separator 4 through the first air return valve 18 of the first cold box 6, and then returns to the explosion-proof compressor 3 for recycling;
channel A defrosting: the explosion-proof compressor 3 operates, after the exhaust gas passes through the oil separator 2 and is primarily separated into two paths, high-temperature freon is divided into two paths, one part of the high-temperature freon directly enters the first evaporator 8 of the first cold box 6 through the first defrosting valve 16, hot gas is condensed through the first cold box 6 and then enters the liquid storage 5 through the first one-way valve 14, the other path of the outlet of the oil separator 2 passes through the constant pressure valve 20, the constant pressure valve 20 works, then passes through the explosion-proof air-cooled condenser 1 to be condensed and depressurized, then enters the liquid storage 5, then passes through the second explosion-proof electromagnetic valve 12 and the second expansion valve 13, enters the second evaporator 9 of the second cold box 7 to be evaporated in the second cold box 7, then passes through the second air return valve 19, and enters the gas-liquid separator 4 to be returned to the explosion-proof compressor 3 for circulation.
And B, running a channel: the explosion-proof compressor 3 operates, the exhaust gas passes through the oil separator 2, after preliminary oil separation, high-temperature oil gas enters the explosion-proof air-cooled condenser 1 through the constant pressure valve 20 (the constant pressure valve is normally open in normal operation), then enters the liquid reservoir 5, is throttled and depressurized through the second antiexplosive electromagnetic valve 12 by the second day expansion valve 13, evaporates to the second evaporator 9 in the second cold box 7, then enters the gas-liquid separator 4 through the second return valve 19, and then returns to the explosion-proof compressor 3 for recycling;
b, channel defrosting: the explosion-proof compressor 3 operates, after the exhaust gas passes through the oil separator 2 and is primarily separated into two paths, high-temperature freon is divided into two paths, one part of the high-temperature freon directly enters the second evaporator 9 of the second cold box 7 through the second defrosting valve 17, hot gas is condensed through the second cold box 7 and then enters the liquid storage 5 through the second one-way valve 15, the other path of the outlet of the oil separator 2 passes through the constant pressure valve 20, the constant pressure valve 20 works, then passes through the explosion-proof air-cooled condenser 1 to be condensed and depressurized, then enters the liquid storage 5, then passes through the first explosion-proof electromagnetic valve 10, passes through the first expansion valve 11, enters the first evaporator 8 of the first cold box 6 to be evaporated in the first cold box 6, then passes through the first return valve 18, and enters the gas-liquid separator 4 to be returned to the explosion-proof compressor 3 for circulation.
It should be noted that, the present utility model is not related to the same or available in the prior art, and each big valve is installed on the relevant pipeline.
The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model.
Claims (6)
1. An air-cooled binary channels explosion-proof compression condensing unit, its characterized in that: the device comprises an explosion-proof compressor, an oil separator, an explosion-proof air-cooled condenser, a liquid reservoir, a gas-liquid separator and a double-channel evaporator, wherein the oil separator is connected with the explosion-proof compressor, the explosion-proof air-cooled condenser is connected with the oil separator, the explosion-proof compressor is connected with the gas-liquid separator, the gas-liquid separator is connected with the double-channel evaporator, the double-channel evaporator is connected with the liquid reservoir, and the liquid reservoir is connected with the explosion-proof air-cooled condenser.
2. The air-cooled two-channel explosion-proof compression condensing unit according to claim 1, wherein: the double-channel evaporator comprises a first cold box, a first evaporator arranged in the first cold box, a second cold box and a second evaporator arranged in the second cold box.
3. The air-cooled two-channel explosion-proof compression condensing unit according to claim 2, wherein: the first evaporator is connected with the liquid reservoir through a first expansion valve and a first explosion-proof electromagnetic valve, and the second evaporator is connected with the liquid reservoir through a second expansion valve and a second explosion-proof electromagnetic valve; the first evaporator is connected with the liquid storage device through a first one-way valve, and the second evaporator is connected with the liquid storage device through a second one-way valve.
4. An air-cooled two-channel explosion-proof compression condensing unit according to claim 2 or 3, characterized in that: the first evaporator and the second evaporator are respectively connected with the oil separator through a first defrosting valve and a second defrosting valve.
5. An air-cooled two-channel explosion-proof compression condensing unit according to claim 2 or 3, characterized in that: the first evaporator and the second evaporator are connected with the gas-liquid separator through a first air return valve and a second air return valve respectively.
6. The air-cooled double-channel explosion-proof compression condensing unit according to claim 5, wherein: the oil separator is connected with the explosion-proof air-cooled condenser through a constant pressure valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321786556.9U CN220287831U (en) | 2023-07-07 | 2023-07-07 | Air-cooled double-channel explosion-proof compression condensing unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321786556.9U CN220287831U (en) | 2023-07-07 | 2023-07-07 | Air-cooled double-channel explosion-proof compression condensing unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220287831U true CN220287831U (en) | 2024-01-02 |
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ID=89341109
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321786556.9U Active CN220287831U (en) | 2023-07-07 | 2023-07-07 | Air-cooled double-channel explosion-proof compression condensing unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220287831U (en) |
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2023
- 2023-07-07 CN CN202321786556.9U patent/CN220287831U/en active Active
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