CN220667744U - Plunger cylinder structure of circulating liquid seal compressor with leakage detection function - Google Patents
Plunger cylinder structure of circulating liquid seal compressor with leakage detection function Download PDFInfo
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- CN220667744U CN220667744U CN202320814128.6U CN202320814128U CN220667744U CN 220667744 U CN220667744 U CN 220667744U CN 202320814128 U CN202320814128 U CN 202320814128U CN 220667744 U CN220667744 U CN 220667744U
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- plunger cylinder
- leakage detection
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- 238000001514 detection method Methods 0.000 title claims abstract description 50
- 239000007788 liquid Substances 0.000 title claims abstract description 28
- 238000007789 sealing Methods 0.000 claims abstract description 142
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 239000002608 ionic liquid Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 4
- 230000001050 lubricating effect Effects 0.000 description 6
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
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Abstract
The plunger cylinder structure of the circulating liquid seal compressor with the leakage detection function comprises a plunger cylinder body, wherein a plunger is arranged in the plunger cylinder body and reciprocates in the plunger cylinder body, a first annular groove cavity is formed in the lower part between the plunger cylinder body and the plunger, a sealing medium is arranged in the first annular groove cavity, and a sealing medium inlet and a sealing medium outlet are formed in the side wall of the plunger cylinder body at positions corresponding to the first annular groove cavity; the upper side and the downside of first ring channel chamber are equipped with first sealing ring and second sealing ring respectively, and the upside that is close to first sealing ring is equipped with gas and sealing medium leakage detection mouth, and the downside that is close to the second sealing ring is equipped with sealing medium leakage detection mouth, the top is equipped with the third sealing ring that is used for sealing gas between plunger cylinder body and the plunger. The pressure sensor is used for timely sending signals to the PLC control system, reminding workers of timely replacing damaged sealing rings, and being convenient to maintain and improve the overall sealing effect in the plunger cylinder body.
Description
Technical field:
the utility model relates to a plunger cylinder structure of a circulating liquid seal compressor with a leakage detection function.
The background technology is as follows:
the circulating liquid seal compressor drives a plunger in the plunger cylinder body to reciprocate mainly through a connecting rod mechanism so as to realize the pressurization of gas.
When the existing plunger cylinder works, the following defects mainly exist:
firstly, the sealing effect of the gas is poor, and the compressed gas is easy to leak outwards from a gap between the plunger cylinder body and the plunger;
secondly, the sealing effect of the lubricating medium is poor, and the sealing ring is easy to break for a long time to cause sealing failure, so that the lubricating medium leaks to cause compressed gas pollution;
thirdly, after the gas and the lubricating medium are leaked, no detection means exists, and the gas leakage or the lubricating medium leakage cannot be found timely, so that the corresponding damaged sealing ring cannot be replaced;
fourthly, most sealing rings are arranged on the surface of the plunger in a slotting way, so that the overall strength of the plunger is reduced, and the service life of the plunger is influenced.
In summary, the above-mentioned problems of the plunger cylinder of the circulating liquid seal compressor have become a technical problem to be solved in industry.
The utility model comprises the following steps:
the utility model provides a plunger cylinder body structure of a circulating liquid seal compressor with a leakage detection function, which solves the problem that gas and lubricating medium in the prior plunger cylinder body cannot be detected in time after leakage.
The technical scheme adopted by the utility model for solving the technical problems is as follows:
the plunger cylinder structure of the circulating liquid seal compressor with the leakage detection function comprises a plunger cylinder body, wherein a plunger is arranged in the plunger cylinder body, the plunger reciprocates in the plunger cylinder body, a first annular groove cavity is arranged at the lower part between the plunger cylinder body and the plunger, a sealing medium is arranged in the first annular groove cavity, and a sealing medium inlet and a sealing medium outlet are arranged on the side wall of the plunger cylinder body at positions corresponding to the first annular groove cavity; the upper side and the downside of first ring channel chamber are equipped with first sealing ring and second sealing ring respectively, and the upside that is close to first sealing ring is equipped with gas and sealing medium leakage detection mouth, and the downside that is close to the second sealing ring is equipped with sealing medium leakage detection mouth, the top is equipped with the third sealing ring that is used for sealing gas between plunger cylinder body and the plunger.
The inner wall of the plunger cylinder body corresponding to the gas and sealing medium leakage detection port is provided with a second annular groove cavity, a pressure sensor is arranged in the gas and sealing medium leakage detection port, and the pressure sensor is connected with the PLC control system.
The inner wall of the plunger cylinder body corresponding to the sealing medium leakage detection port is provided with a third annular groove cavity, a pressure sensor is arranged in the sealing medium leakage detection port, and the pressure sensor is connected with the PLC control system.
The first annular groove cavity is formed in the inner wall of the plunger steel body, and sealing medium circulates in the first annular groove cavity to seal, cool and lubricate the plunger.
The sealing medium comprises a liquid medium comprising a magnetic liquid or an ionic liquid.
The outer surface of the plunger is provided with a plurality of guide rings.
And a fourth sealing ring is arranged at the lower side of the sealing medium leakage detection port.
The first sealing ring, the second sealing ring and the fourth sealing ring are all installed on the inner wall of the plunger steel body.
The utility model adopts the scheme and has the following advantages:
through setting up gas and sealing medium leakage detection mouth in the upside that is close to first sealing ring, set up sealing medium leakage detection mouth in the downside that is close to the second sealing ring, gas and sealing medium leakage detection mouth both can in time detect whether third sealing ring leaks gas, can in time detect whether first sealing ring leaks sealing medium again, sealing medium leakage detection mouth then can in time detect whether second sealing ring leaks sealing medium, in time send the signal to PLC control system through pressure sensor, remind the staff in time to change the sealing ring of damage, maintenance is convenient, on the one hand can effectively avoid the outside leakage of gap between compression gas follow plunger cylinder body and the plunger, on the other hand can effectively avoid lubricating medium to leak and cause compression gas pollution, promote the whole sealed effect in the plunger cylinder body. In addition, most sealing rings and annular grooves are formed in the inner wall of the plunger cylinder body, so that a large number of grooves are formed in the surface of the plunger, the strength of the plunger is improved, and the service life of the plunger is guaranteed.
Description of the drawings:
fig. 1 is a schematic structural view of the present utility model.
In the figure, 1, a plunger cylinder body, 2, a plunger, 3, a first annular groove cavity, 4, a sealing medium inlet, 5, a sealing medium outlet, 6, a first sealing ring, 7, a second sealing ring, 8, a gas and sealing medium leakage detection port, 9, a sealing medium leakage detection port, 10, a third sealing ring, 11, a second annular groove cavity, 12, a third annular groove cavity, 13, a guide ring, 14 and a fourth sealing ring.
The specific embodiment is as follows:
in order to clearly illustrate the technical features of the present solution, the present utility model will be described in detail below with reference to the following detailed description and the accompanying drawings.
As shown in fig. 1, the plunger cylinder structure of the circulating liquid seal compressor with the leakage detection function comprises a plunger cylinder body 1, wherein a plunger 2 is arranged in the plunger cylinder body 1, the plunger 2 reciprocates in the plunger cylinder body 1, a first annular groove cavity 3 is arranged at the lower part between the plunger cylinder body 1 and the plunger 2, a sealing medium is arranged in the first annular groove cavity 3, and a sealing medium inlet 4 and a sealing medium outlet 5 are arranged on the side wall of the plunger cylinder body 1 at positions corresponding to the first annular groove cavity 3; the upper side and the downside of first ring channel chamber 3 are equipped with first sealing ring 6 and second sealing ring 7 respectively, and the upside that is close to first sealing ring 6 is equipped with gas and sealing medium leak detection mouth 8, and the downside that is close to second sealing ring 7 is equipped with sealing medium leak detection mouth 9, the top is equipped with the third sealing ring 10 that is used for sealing gas between plunger cylinder body 1 and the plunger 2.
The inner wall of the plunger cylinder body 1 corresponding to the gas and sealing medium leakage detection port 8 is provided with a second annular groove cavity 11, and a pressure sensor is arranged in the gas and sealing medium leakage detection port 8 and is connected with a PLC control system. When the PLC control system detects that the pressure sensor signals in the gas and sealing medium leakage detection port 8 exceed the set range values, an alarm signal is sent to a worker, the worker goes to the site to judge that the fault is that the third sealing ring 10 leaks gas or the first sealing ring 6 leaks sealing medium, if liquid leakage exists, the fault is that the first sealing ring 6, if no liquid leakage exists, the fault is that the third sealing ring 10, and the corresponding sealing rings are replaced in time.
The inner wall of the plunger cylinder body 1 corresponding to the sealing medium leakage detection port 9 is provided with a third annular groove cavity 12, a pressure sensor is arranged in the sealing medium leakage detection port 9, and the pressure sensor is connected with a PLC control system. When the PLC control system detects that the pressure sensor signal in the sealing medium leakage detection port 9 exceeds the set range value, an alarm signal is sent to a worker, and the worker can judge that the fault is that the second sealing ring 7 leaks the sealing medium and timely replace the sealing medium.
The first annular groove cavity 3 is arranged on the inner wall of the plunger steel body 1, and sealing medium circulates in the first annular groove cavity 3 to seal, cool and lubricate the plunger 2.
The sealing medium comprises a liquid medium comprising a magnetic liquid or an ionic liquid. The magnetic liquid is a stable colloidal liquid formed by mixing magnetic solid particles with the diameter of nanometer level, a base carrier liquid and a surfactant, and has the advantages of zero leakage, long service life, high reliability, high bearing speed, small viscous friction and the like during sealing.
The outer surface of the plunger 2 is provided with a plurality of guide rings 13 which play a role in guiding and supporting, so that abrasion of each sealing ring can be reduced, and the service life of each sealing ring can be prolonged.
The fourth sealing ring 14 is arranged at the lower side of the sealing medium leakage detection port 9, and the sealing medium can be prevented from overflowing out of the plunger cylinder 1 when the second sealing ring 7 fails.
The first sealing ring 6, the second sealing ring 7 and the fourth sealing ring 14 are all arranged on the inner wall of the plunger steel body 1, so that a large number of grooves on the surface of the plunger 2 are avoided, and the strength of the plunger 2 is increased.
Working principle:
when the compressor works, the plunger 2 reciprocates in the plunger cylinder 1 to suck and compress a gas medium. Through the sealing of third sealing ring 10 to gaseous medium, if when third sealing ring 10 became invalid, gaseous medium can leak downwards through the gap between plunger cylinder body 1 and the plunger 2, when gaseous medium reachd second ring channel cavity 11, can detect the signal rapidly through the pressure sensor in gaseous and the sealed medium detection mouth 8 to send the signal to PLC control system, PLC control system sends alarm signal and reminds the staff in time to maintain.
The plunger cylinder body 1 is provided with a sealing medium inlet 4 and a sealing medium outlet 5, and the sealing medium is continuously circulated in the first annular groove cavity 3 through the sealing medium inlet 4 and the sealing medium outlet 5 to seal, cool and lubricate the plunger 2.
Sealing medium seals through first sealing ring 6 and second sealing ring 7, if first sealing ring 6 inefficacy, sealing medium can leak to second ring channel 11 chambeies through the gap between plunger cylinder body 1 and the plunger 2 upwards, can detect out the signal rapidly through the pressure sensor in gas and the sealing medium detection mouth 8 to send the signal to PLC control system, PLC control system sends alarm signal and reminds the staff in time to maintain.
If the second sealing ring 7 fails, sealing medium can leak downwards to the third annular groove cavity 12 through the gap between the plunger cylinder body 1 and the plunger 2, a signal can be rapidly detected through the pressure sensor in the sealing medium detection port 9 and sent to the PLC control system, and the PLC control system sends an alarm signal to remind a worker of timely maintenance.
The fourth sealing ring 14 prevents the sealing medium from flowing out of the plunger cylinder 1 in the event of failure of the second sealing ring 7.
The above embodiments are not to be taken as limiting the scope of the utility model, and any alternatives or modifications to the embodiments of the utility model will be apparent to those skilled in the art and fall within the scope of the utility model.
The present utility model is not described in detail in the present application, and is well known to those skilled in the art.
Claims (8)
1. The utility model provides a circulation liquid seal compressor plunger cylinder body structure that possesses leak detection function, includes the plunger cylinder body, be equipped with the plunger in the plunger cylinder body, plunger reciprocating motion in the plunger cylinder body, its characterized in that: a first annular groove cavity is formed in the lower portion between the plunger cylinder body and the plunger, a sealing medium is arranged in the first annular groove cavity, and a sealing medium inlet and a sealing medium outlet are formed in the side wall of the plunger cylinder body at positions corresponding to the first annular groove cavity; the upper side and the downside of first ring channel chamber are equipped with first sealing ring and second sealing ring respectively, and the upside that is close to first sealing ring is equipped with gas and sealing medium leakage detection mouth, and the downside that is close to the second sealing ring is equipped with sealing medium leakage detection mouth, the top is equipped with the third sealing ring that is used for sealing gas between plunger cylinder body and the plunger.
2. The circulating liquid seal compressor plunger cylinder structure with a leakage detection function according to claim 1, wherein: the inner wall of the plunger cylinder body corresponding to the gas and sealing medium leakage detection port is provided with a second annular groove cavity, a pressure sensor is arranged in the gas and sealing medium leakage detection port, and the pressure sensor is connected with the PLC control system.
3. The circulating liquid seal compressor plunger cylinder structure with a leakage detection function according to claim 1, wherein: the inner wall of the plunger cylinder body corresponding to the sealing medium leakage detection port is provided with a third annular groove cavity, a pressure sensor is arranged in the sealing medium leakage detection port, and the pressure sensor is connected with the PLC control system.
4. The circulating liquid seal compressor plunger cylinder structure with a leakage detection function according to claim 1, wherein: the first annular groove cavity is formed in the inner wall of the plunger steel body, and sealing medium circulates in the first annular groove cavity to seal, cool and lubricate the plunger.
5. The circulating liquid seal compressor plunger cylinder structure with a leakage detection function according to claim 1, wherein: the sealing medium comprises a liquid medium comprising a magnetic liquid or an ionic liquid.
6. The circulating liquid seal compressor plunger cylinder structure with a leakage detection function according to claim 1, wherein: the outer surface of the plunger is provided with a plurality of guide rings.
7. The circulating liquid seal compressor plunger cylinder structure with a leakage detection function according to claim 1, wherein: and a fourth sealing ring is arranged at the lower side of the sealing medium leakage detection port.
8. The circulating liquid seal compressor plunger cylinder structure with the leakage detection function according to claim 7, wherein: the first sealing ring, the second sealing ring and the fourth sealing ring are all installed on the inner wall of the plunger steel body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320814128.6U CN220667744U (en) | 2023-04-10 | 2023-04-10 | Plunger cylinder structure of circulating liquid seal compressor with leakage detection function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320814128.6U CN220667744U (en) | 2023-04-10 | 2023-04-10 | Plunger cylinder structure of circulating liquid seal compressor with leakage detection function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220667744U true CN220667744U (en) | 2024-03-26 |
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ID=90336828
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320814128.6U Active CN220667744U (en) | 2023-04-10 | 2023-04-10 | Plunger cylinder structure of circulating liquid seal compressor with leakage detection function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220667744U (en) |
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2023
- 2023-04-10 CN CN202320814128.6U patent/CN220667744U/en active Active
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