CN216223449U - Essential oil filter with oil-gas separation function - Google Patents
Essential oil filter with oil-gas separation function Download PDFInfo
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- CN216223449U CN216223449U CN202122859051.8U CN202122859051U CN216223449U CN 216223449 U CN216223449 U CN 216223449U CN 202122859051 U CN202122859051 U CN 202122859051U CN 216223449 U CN216223449 U CN 216223449U
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- essential oil
- separation
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- 238000000926 separation method Methods 0.000 title claims abstract description 68
- 239000000341 volatile oil Substances 0.000 title claims abstract description 37
- 239000003921 oil Substances 0.000 claims abstract description 35
- 239000007788 liquid Substances 0.000 claims description 42
- 238000005192 partition Methods 0.000 claims description 16
- 239000010687 lubricating oil Substances 0.000 abstract description 47
- 239000003507 refrigerant Substances 0.000 abstract description 31
- 230000009471 action Effects 0.000 abstract description 7
- 230000005484 gravity Effects 0.000 abstract description 5
- 230000001105 regulatory effect Effects 0.000 description 5
- 238000001914 filtration Methods 0.000 description 4
- 239000002699 waste material Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000005057 refrigeration Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000005204 segregation Methods 0.000 description 1
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Abstract
The utility model discloses an essential oil filter with an oil-gas separation function, which comprises a first cavity, a filter element arranged in the first cavity, a separation cavity formed between the filter element and the first cavity, a first oil inlet arranged on the first cavity and communicated with the filter element, an oil outlet arranged on the first cavity and communicated with the separation cavity, and an air exhaust port, wherein the air exhaust port is positioned above the oil outlet. According to the essential oil filter, due to the arrangement of the separation cavity, lubricating oil can slowly flow in the separation cavity after being filtered and output from the filter element, refrigerant gas with low density can escape upwards and is output from the exhaust port under the action of gravity settling, and lubricating oil with high density can continuously flow and is output from the oil outlet, so that the separation of the lubricating oil and the refrigerant gas is realized, and the lubricating oil carrying a large amount of refrigerant gas is prevented from influencing the operation of a compressor.
Description
Technical Field
The utility model relates to the field of industrial refrigeration equipment, in particular to an essential oil filter with an oil-gas separation function.
Background
In an industrial refrigeration system, a compressor is a critical device in the system, and the stability of the operation of the compressor determines the stability of the whole system. For some large compressors, especially oil-injected screw compressors, the stable supply of lubricating oil can ensure the stable and efficient operation of the compressor.
At present, in an industrial refrigeration system, selected lubricating oil is basically lubricating oil which can be dissolved with a refrigerant. When the compressor runs, the refrigerant and the lubricating oil are compressed together and then sent into the oil separator for separation, and the separated lubricating oil is cooled and filtered and then sent to key parts of the compressor, such as bearings, mechanical seals, balance pistons and the like. However, because the pressure in the oil separator is very high, the refrigerant gas can be dissolved with the lubricating oil, so that the lubricating oil coming out of the oil separator contains a large amount of refrigerant gas, and along with the continuous flow of the lubricating oil in the pipeline, the pressure in the pipeline is reduced, so that a large amount of refrigerant gas can be separated out and accumulated at the top of the lubricating oil system, after the lubricating oil system is operated for a long time, the oil supply pressure of the lubricating oil is insufficient due to the excessive accumulated refrigerant gas, and further, the lubricating oil in the compressor is insufficient in supply, and the compressor is damaged.
In the prior art, manual exhaust is usually implemented at the top of a lubricating oil system by an operator, so that the exhaust quality is not guaranteed, the exhaust efficiency is low, and certain potential safety hazards exist during exhaust if a refrigerant is a flammable and explosive medium.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art and provide an essential oil filter with an oil-gas separation function.
In order to achieve the purpose, the utility model adopts the technical scheme that:
the utility model provides an essential oil filter with oil-gas separation function, includes first cavity, locates filter core in the first cavity, be formed in the filter core with separation chamber between the first cavity, set up in on the first cavity and with the first oil inlet that the filter core is linked together, set up in on the first cavity and with oil-out and the gas vent that the separation chamber is linked together, wherein, the gas vent is located the top of oil-out.
Preferably, the axial line of the filter element coincides with the axial line of the first chamber and extends in the up-down direction respectively.
Further preferably, the separation chamber comprises a first separation chamber surrounding the radial periphery of the filter element and a second separation chamber located above the filter element, the oil outlet is communicated with the lower portion of the first separation chamber, and the air outlet is communicated with the top of the second separation chamber.
Preferably, the essential oil filter is still including locating first liquid level switch and second liquid level switch on the first cavity, communicate in first blast pipe on the gas vent, locate solenoid valve on the first blast pipe, first liquid level switch with the second liquid level switch is arranged along upper and lower direction, first liquid level switch is used for detecting high liquid level in the separation intracavity and control the solenoid valve is closed, the second liquid level switch is used for detecting low liquid level in the separation intracavity and control the solenoid valve is opened.
Further preferably, the essential oil filter further comprises an adjusting valve arranged on the first exhaust pipe, and the electromagnetic valve and the adjusting valve are arranged at intervals along a direction far away from the exhaust port.
Preferably, the essential oil filter further comprises a second exhaust pipe communicated with the top of the first chamber, and an exhaust valve arranged on the second exhaust pipe.
Preferably, the essential oil filter further comprises a cylinder body and a partition plate arranged in the cylinder body along the horizontal direction, the first chamber is formed on the upper side of the partition plate, and the filter element is erected on the partition plate.
Further preferably, the essential oil filter further comprises a second cavity formed on the lower side of the partition plate and a second oil inlet arranged on the second cavity, and the first oil inlet is arranged on the partition plate and communicated with the first cavity and the second cavity respectively.
Still further preferably, the essential oil filter further comprises a drain pipe communicated with the lower part of the second chamber and a drain valve arranged on the drain pipe.
Due to the application of the technical scheme, compared with the prior art, the utility model has the following advantages: according to the essential oil filter, due to the arrangement of the separation cavity, lubricating oil can slowly flow in the separation cavity after being filtered and output from the filter element, refrigerant gas with low density can escape upwards and is output from the exhaust port under the action of gravity settling, and lubricating oil with high density can continuously flow and is output from the oil outlet, so that the separation of the lubricating oil and the refrigerant gas is realized, and the lubricating oil carrying a large amount of refrigerant gas is prevented from influencing the operation of a compressor.
Drawings
FIG. 1 is a schematic diagram of an essential oil filter according to an embodiment of the present invention.
In the figure: 1. a first chamber; 2. a filter element; 3. a separation chamber; 3a, a first separation cavity; 3b, a second separation cavity; 4. a first oil inlet; 5. an oil outlet; 6. an exhaust port; 7. a first liquid level switch; 8. a second liquid level switch; 9. a first exhaust pipe; 10. an electromagnetic valve; 11. adjusting a valve; 12. a second exhaust pipe; 13. an exhaust valve; 14. a barrel; 15. a partition plate; 16. a second chamber; 17. a second oil inlet; 18. a blow-off pipe; 19. a blowoff valve.
Detailed Description
The technical scheme of the utility model is further explained by combining the attached drawings.
The utility model relates to an improved essential oil filter, which is characterized in that through the arrangement of a separation cavity 3, lubricating oil can slowly flow in the separation cavity 3 after being filtered and output by a filter element 2, under the action of gravity settling, refrigerant gas with lower density can escape upwards and is output from an exhaust port 6, and lubricating oil with higher density can continuously flow and is output from an oil outlet 5, so that the separation of the lubricating oil and the refrigerant gas is realized, and the lubricating oil carrying a large amount of refrigerant gas is prevented from influencing the operation of a compressor. Therefore, the essential oil filter has the functions of filtering impurities and separating oil and gas.
Referring to fig. 1, an essential oil filter with an oil-gas separation function is shown, which includes a first chamber 1, a filter element 2 disposed in the first chamber 1, a separation chamber 3 formed between the filter element 2 and the first chamber 1, a first oil inlet 4 disposed on the first chamber 1 and communicated with the filter element 2, an oil outlet 5 disposed on the first chamber 1 and communicated with the separation chamber 3, and an exhaust port 6, wherein the exhaust port 6 is located above the oil outlet 5.
So, lubricating oil gets into filter core 2 in the first oil inlet 4, filter and export from the week side portion of filter core 2 afterwards, lubricating oil is at the in-process of the week side filtration pore of filter core 2, under the effect of pressure drop, refrigerant gas and lubricating oil alternate segregation and get into separation chamber 3 jointly, flow slowly in separation chamber 3 afterwards, under the effect that gravity subsides, the less refrigerant gas of density can upwards lose and export from gas vent 6, and the great lubricating oil of density can continue to flow and export from oil-out 5, thereby realize lubricating oil and refrigerant gas's separation.
In the present embodiment, the axial line of the filter element 2 coincides with the axial line of the first chamber 1 and extends in the vertical direction. The separation cavity 3 comprises a first separation cavity 3a surrounding the radial periphery of the filter element 2 and a second separation cavity 3b positioned above the filter element 2, an oil outlet 5 is communicated with the lower part of the first separation cavity 3a, and an air outlet 6 is communicated with the top of the second separation cavity 3 b.
Further, essential oil filter is still including locating first liquid level switch 7 and the second liquid level switch 8 on first cavity 1, communicate in first blast pipe 9 on gas vent 6, locate solenoid valve 10 on first blast pipe 9, first liquid level switch 7 and second liquid level switch 8 are arranged along upper and lower direction, first liquid level switch 7 is used for detecting the high liquid level in the separation chamber 3 and controls solenoid valve 10 and close, second liquid level switch 8 is used for detecting the low liquid level in the separation chamber 3 and controls solenoid valve 10 and open. In this example, the first exhaust pipe 9 is connected to an intake port of the compressor.
Thus, after the lubricating oil is separated from the refrigerant gas, the refrigerant gas escapes upwards and is gathered in the second separation cavity 3b, the lubricating oil flows in the first separation cavity 3a and is output from the oil outlet 5, the refrigerant gas is gathered in a large amount and then compresses a space of the lubricating oil downwards, so that the liquid level of the lubricating oil is reduced, when the liquid level of the lubricating oil is reduced to the second liquid level switch 8, the second liquid level switch 8 controls the electromagnetic valve 10 to be opened, because the pressure of the suction port of the compressor is lower, the gathered refrigerant gas is sucked into the suction port of the compressor under the action of pressure difference, and after the refrigerant gas is gradually discharged, the liquid level of the lubricating oil is gradually increased, and when the liquid level of the lubricating oil is increased to the first liquid level switch 7, the first liquid level switch 7 controls the electromagnetic valve 10 to be closed, so that the gas can be gathered again. Therefore, refrigerant gas can be discharged more efficiently and thoroughly, and the efficiency of oil-gas separation is ensured.
The essential oil filter also comprises a regulating valve 11 arranged on the first exhaust pipe 9, a second exhaust pipe 12 communicated with the top of the first chamber 1 and an exhaust valve 13 arranged on the second exhaust pipe 12, and the electromagnetic valve 10 and the regulating valve 11 are arranged at intervals along the direction far away from the exhaust port 6. Here, the regulating valve 11 and the exhaust valve 13 are both manual valves, the flow rate of gas in the exhaust pipe can be controlled by manually regulating the opening size of the regulating valve 11, and the second exhaust pipe 12 and the exhaust valve 13 are arranged so that an operator can manually open the exhaust valve 13 and exhaust refrigerant gas after the operation of the equipment is finished.
In this embodiment, the essential oil filter further includes a barrel 14, a partition 15 disposed in the barrel 14 along a horizontal direction, a second chamber 16 formed on a lower side of the partition 15, and a second oil inlet 17 disposed on the second chamber 16, wherein the first oil inlet 4 is disposed on the partition 15 and is respectively communicated with the first chamber 1 and the second chamber 16, the first chamber 1 is formed on an upper side of the partition 15, and the filter element 2 is erected on the partition 15. Through the arrangement of the second cavity 16, lubricating oil can be slightly buffered after entering the second cavity 16 from the second oil inlet 17, and then enters the filter element 2 from the first oil inlet 4, so that the filtering efficiency is ensured.
Further, the essential oil filter also comprises a blow-off pipe 18 communicated with the lower part of the second chamber 16 and a blow-off valve 19 arranged on the blow-off pipe 18. The waste valve 19 is here a manual waste valve 19 for manually opening the waste valve 19 and discharging the waste after the operation of the apparatus has ended.
The following specifically explains the working process of this embodiment: lubricating oil enters the filter element 2 from the first oil inlet 4, then is filtered and output from the peripheral side part of the filter element 2, in the process that the lubricating oil passes through the peripheral side filtering holes of the filter element 2, under the action of pressure drop, refrigerant gas and the lubricating oil are separated from each other and enter the separation cavity 3 together, then slowly flow in the separation cavity 3, under the action of gravity settling, the refrigerant gas with lower density can upwards escape and converge in the second separation cavity 3b, the lubricating oil flows in the first separation cavity 3a and is output from the oil outlet 5, the refrigerant gas converges in large quantity and then compresses a space of the lubricating oil downwards, so that the liquid level of the lubricating oil is reduced, when the liquid level of the lubricating oil is reduced to the second liquid level switch 8, the second liquid level switch 8 controls the electromagnetic valve 10 to be opened, because the pressure of an air suction port of the compressor is lower, the converged refrigerant gas is sucked to the air suction port of the compressor under the action of pressure difference, after the refrigerant gas is gradually discharged, the lubricating oil liquid level gradually rises, and when the lubricating oil liquid level rises to the first liquid level switch 7, the first liquid level switch 7 controls the electromagnetic valve 10 to be closed, so that the gas can be collected again.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (9)
1. The utility model provides an essential oil filter with oil-gas separation function which characterized in that: including first cavity, locate filter core in the first cavity, be formed at the filter core with separation chamber between the first cavity, set up in on the first cavity and with the first oil inlet that the filter core is linked together, set up in on the first cavity and with oil-out and the gas vent that the separation chamber is linked together, wherein, the gas vent is located the top of oil-out.
2. An essential oil filter with oil-gas separation function according to claim 1, characterized in that: the axial lead of the filter element is superposed with the axial lead of the first chamber and respectively extends along the up-and-down direction.
3. An essential oil filter with oil-gas separation function as claimed in claim 2, wherein: the separation cavity comprises a first separation cavity surrounding the radial circumferential side of the filter element and a second separation cavity located above the filter element, the oil outlet is communicated with the lower portion of the first separation cavity, and the air outlet is communicated with the top of the second separation cavity.
4. An essential oil filter with oil-gas separation function according to claim 1, characterized in that: essential oil filter is still including locating first liquid level switch and second liquid level switch on the first cavity, communicate in first blast pipe on the gas vent, locate solenoid valve on the first blast pipe, first liquid level switch with second liquid level switch arranges along upper and lower direction, first liquid level switch is used for detecting high liquid level and control in the separation cavity the solenoid valve is closed, second liquid level switch is used for detecting low liquid level and control in the separation cavity the solenoid valve is opened.
5. An essential oil filter with oil-gas separation function according to claim 4, characterized in that: the essential oil filter is still including locating governing valve on the first exhaust pipe, the solenoid valve with the governing valve is along keeping away from the direction interval of gas vent arranges.
6. An essential oil filter with oil-gas separation function according to claim 1, characterized in that: the essential oil filter also comprises a second exhaust pipe communicated with the top of the first chamber and an exhaust valve arranged on the second exhaust pipe.
7. An essential oil filter with oil-gas separation function according to claim 1, characterized in that: the essential oil filter also comprises a cylinder body and a partition plate arranged in the cylinder body along the horizontal direction, the first cavity is formed on the upper side of the partition plate, and the filter element is erected on the partition plate.
8. An essential oil filter with oil-gas separation function according to claim 7, characterized in that: the essential oil filter also comprises a second cavity formed on the lower side of the partition plate and a second oil inlet arranged on the second cavity, and the first oil inlet is arranged on the partition plate and communicated with the first cavity and the second cavity respectively.
9. An essential oil filter with oil-gas separation function according to claim 8, characterized in that: the essential oil filter also comprises a blow-off pipe communicated with the lower part of the second chamber and a blow-off valve arranged on the blow-off pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122859051.8U CN216223449U (en) | 2021-11-19 | 2021-11-19 | Essential oil filter with oil-gas separation function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122859051.8U CN216223449U (en) | 2021-11-19 | 2021-11-19 | Essential oil filter with oil-gas separation function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216223449U true CN216223449U (en) | 2022-04-08 |
Family
ID=80947600
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122859051.8U Active CN216223449U (en) | 2021-11-19 | 2021-11-19 | Essential oil filter with oil-gas separation function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216223449U (en) |
-
2021
- 2021-11-19 CN CN202122859051.8U patent/CN216223449U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 215634 east side of Huachang Road, Yangtze River Chemical Industrial Park, Zhangjiagang City, Suzhou City, Jiangsu Province (LIMAT) Patentee after: Suzhou Limat Energy Equipment Co.,Ltd. Address before: 215634 east side of Huachang Road, Yangtze River Chemical Industrial Park, Zhangjiagang City, Suzhou City, Jiangsu Province (LIMAT) Patentee before: JIANGNAN LMART EQUIPMENT MANUFACTURING (ZHANGJIAGANG) Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |