CN220690389U - Circulating liquid seal cylinder sealing member performance detection system - Google Patents
Circulating liquid seal cylinder sealing member performance detection system Download PDFInfo
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- CN220690389U CN220690389U CN202322306651.0U CN202322306651U CN220690389U CN 220690389 U CN220690389 U CN 220690389U CN 202322306651 U CN202322306651 U CN 202322306651U CN 220690389 U CN220690389 U CN 220690389U
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- 239000007788 liquid Substances 0.000 title claims abstract description 136
- 238000007789 sealing Methods 0.000 title claims abstract description 50
- 238000001514 detection method Methods 0.000 title claims abstract description 15
- 230000001105 regulatory effect Effects 0.000 claims abstract description 9
- 238000004146 energy storage Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 230000003068 static effect Effects 0.000 description 4
- 239000002608 ionic liquid Substances 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000010687 lubricating oil Substances 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
- 238000011084 recovery Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model relates to the technical field of circulating liquid seal compressors, in particular to a circulating liquid seal cylinder sealing member performance detection system. The circulating liquid seal cylinder comprises a driving circulating liquid seal cylinder and a driven circulating liquid seal cylinder which are oppositely arranged, piston rods of the driving circulating liquid seal cylinder and the driven circulating liquid seal cylinder are connected through a pin shaft, and cylinder diameters of the driving circulating liquid seal cylinder and the driven circulating liquid seal cylinder are the same; the liquid inlet is connected with a liquid inlet branch pipeline, the liquid inlet branch pipeline is connected with a liquid inlet main pipeline, a circulating pump and an overflow valve are arranged on the liquid inlet main pipeline, and the liquid inlet main pipeline is connected with a circulating liquid tank; the air inlet is connected with an air inlet branch pipeline, the air inlet branch pipeline is provided with a pressure gauge and a reversing valve, the reversing valve is connected with an air inlet main pipeline, the air inlet main pipeline is provided with a pressure regulating valve and an air pump, and the air pump is connected with an air source. The performance of the sealing rings at two sides of the circulating cavity can be detected to select the sealing rings which can meet the high pressure requirement so as to ensure the sealing effect.
Description
Technical field:
the utility model relates to the technical field of circulating liquid seal compressors, in particular to a circulating liquid seal cylinder sealing member performance detection system.
The background technology is as follows:
the circulating liquid seal compressor drives a piston in a cylinder body of the cylinder to reciprocate mainly through a driving mechanism so as to realize supercharging of gas. As disclosed in the patent application publication No. CN114439728A, a circulating liquid seal compressor is disclosed, which is configured to store a circulating liquid by providing an annular cavity between a piston and a cylinder block, and to lubricate, cool and seal the circulating liquid, wherein sealing rings are provided on both sides of the annular cavity, respectively, so as to seal the circulating liquid. When the sealing device specifically works, the pressure in the annular cavity and the pressure in the air cavity are large, so that the sealing grade of the sealing rings at two sides are high, once the sealing rings fail, circulating liquid can leak into the air cavity through the sealing rings, so that the compressed gas is polluted, and the compressed gas can leak into the annular cavity through the sealing rings and then leak outwards along with the circulation of the circulating liquid. Therefore, before the compressor works, the performance of the sealing ring must be detected to select the sealing ring capable of meeting the high pressure requirement, and no related detection means exist in the field of circulating liquid seal compressors at present.
In summary, the problem of performance detection of sealing rings at two sides of an annular cavity in a circulating liquid seal compressor has become a technical problem to be solved in the industry.
The utility model comprises the following steps:
the utility model provides a system for detecting the performance of a sealing element of a circulating liquid seal cylinder, which aims to make up the defects of the prior art and solves the problem that the performance of sealing rings at two sides of an annular cavity cannot be detected in the past.
The technical scheme adopted by the utility model for solving the technical problems is as follows:
the system comprises a circulating liquid seal cylinder, wherein an air inlet and an air outlet are formed in the circulating liquid seal cylinder, a circulating cavity is formed in the circulating liquid seal cylinder, sealing rings are respectively arranged on two sides of the circulating cavity, a liquid inlet and a liquid outlet which are communicated with the circulating cavity are formed in the side wall of the circulating liquid seal cylinder, the circulating liquid seal cylinder comprises a driving circulating liquid seal cylinder and a driven circulating liquid seal cylinder which are oppositely arranged, piston rods of the driving circulating liquid seal cylinder and the driven circulating liquid seal cylinder are connected through a pin shaft, and cylinder diameters of the driving circulating liquid seal cylinder and the driven circulating liquid seal cylinder are identical; the liquid inlet is connected with a liquid inlet branch pipeline, the liquid inlet branch pipeline is connected with a liquid inlet main pipeline, a circulating pump and an overflow valve are arranged on the liquid inlet main pipeline, and the liquid inlet main pipeline is connected with a circulating liquid tank; the air inlet is connected with an air inlet branch pipeline, the air inlet branch pipeline is provided with a pressure gauge and a reversing valve, the reversing valve is connected with an air inlet main pipeline, the air inlet main pipeline is provided with a pressure regulating valve and an air pump, and the air pump is connected with an air source.
The circulating liquid seal cylinder comprises a single-acting cylinder or a double-acting cylinder.
And a liquid inlet one-way valve is arranged on the liquid inlet main pipeline.
And a circulating liquid filter is arranged at the front side of the circulating pump.
The overflow valve is connected with the overflow groove.
And the air inlet branch pipeline and the air inlet main pipeline are provided with air inlet check valves.
One side of the air inlet main pipeline is connected with an energy storage tank.
The front side of the air pump is provided with an air filter.
The utility model adopts the scheme and has the following advantages:
pumping circulating liquid in a circulating liquid tank into a circulating cavity through a liquid inlet main pipeline, a liquid inlet branch pipeline and a liquid inlet through a circulating pump, pumping gas of a gas source into air cavities at two sides of a piston through the air inlet main pipeline, the air inlet branch pipeline and an air inlet through an air pump, controlling the lip of a sealing ring to face the circulating cavity through an overflow valve, controlling the pressure of the circulating cavity to be larger than the pressure of the air cavity, judging the sealing condition of the sealing ring through the numerical value change condition of a pressure gauge on the air inlet branch pipeline, testing the performance of the sealing ring under the dynamic or static conditions of different circulating liquid pressures, and recording, wherein if the numerical value of the pressure gauge is increased, the condition that the circulating liquid leaks into the air cavity can be determined; the lip of the sealing ring faces the air cavity, the pressure of the air cavity is controlled to be larger than the pressure of the circulating cavity through the pressure regulating valve, the sealing condition of the sealing ring is judged through the numerical value change condition of the pressure gauge on the air inlet branch pipeline, the performance of the sealing ring under the dynamic or static condition of different gas pressures is tested and recorded, and if the numerical value of the pressure gauge is reduced, the gas leakage into the circulating cavity can be determined. The performance of the sealing rings at the two sides of the circulating cavity can be detected by the operation, so that the sealing rings which can meet the high pressure requirement can be selected, and the sealing effect can be ensured.
Description of the drawings:
fig. 1 is a schematic diagram of the structural principle of the present utility model.
In the figure, 1, a driving circulation liquid seal cylinder, 2, a driven circulation liquid seal cylinder, 3, a piston rod, 4, a pin shaft, 5, an air inlet, 6, a circulation cavity, 7, a liquid inlet, 8, a liquid outlet, 9, a liquid inlet branch pipeline, 10, a liquid inlet main pipeline, 11, a circulation pump, 12, an overflow valve, 13, a circulation liquid tank, 14, a liquid inlet check valve, 15, a circulation liquid filter, 16, an overflow tank, 17, an air inlet branch pipeline, 18, a pressure gauge, 19, a reversing valve, 20, an air inlet main pipeline, 21, a pressure regulating valve, 22, an air pump, 23, an air source, 24, an air inlet check valve, 25, an energy storage tank, 26, a gas filter, 27 and a 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, a performance detection system for a sealing element of a circulation liquid seal cylinder comprises a circulation liquid seal cylinder, wherein an air inlet 5 and an air outlet are formed in the circulation liquid seal cylinder, a circulation cavity 6 is formed in the circulation liquid seal cylinder, sealing rings 27 are respectively arranged on two sides of the circulation cavity 6, a liquid inlet 7 and a liquid outlet 8 which are communicated with the circulation cavity 6 are formed in the side wall of the circulation liquid seal cylinder, the circulation liquid seal cylinder comprises a driving circulation liquid seal cylinder 1 and a driven circulation liquid seal cylinder 2 which are oppositely arranged, piston rods 3 of the driving circulation liquid seal cylinder 1 and the driven circulation liquid seal cylinder 2 are connected through a pin shaft 4, cylinder diameters of the driving circulation liquid seal cylinder 1 and the driven circulation liquid seal cylinder 2 are identical, air cavities of the driving circulation liquid seal cylinder 1 and the driven circulation liquid seal cylinder 2 are identical in size and pressure are identical, and therefore only a total pressure regulating valve 21 is arranged on an air inlet main pipeline 20 to uniformly control the pressure in the air cavities of the driving circulation liquid seal cylinder 1 and the driven circulation liquid seal cylinder 2; the liquid inlet 7 is connected with a liquid inlet branch pipeline 9, the liquid inlet branch pipeline 9 is connected with a liquid inlet main pipeline 10, a circulating pump 11 and an overflow valve 12 are arranged on the liquid inlet main pipeline 10, and the liquid inlet main pipeline 10 is connected with a circulating liquid tank 13; the air inlet 5 is connected with an air inlet branch pipeline 17, a pressure gauge 18 and a reversing valve 19 are arranged on the air inlet branch pipeline 17, the reversing valve 19 is connected with an air inlet main pipeline 20, a pressure regulating valve 21 and an air pump 22 are arranged on the air inlet main pipeline 20, and the air pump 22 is connected with an air source 23.
The circulating liquid seal cylinder comprises a single-acting cylinder or a double-acting cylinder. A compression cavity is arranged in the single-acting cylinder, and the piston only pressurizes the gas once in one stroke; two compression chambers are arranged in the double-acting cylinder, and the piston can carry out twice pressurization on gas in one stroke.
The liquid inlet main pipeline 10 is provided with a liquid inlet one-way valve 14.
The front side of the circulating pump 11 is provided with a circulating liquid filter 15, which can filter the circulating liquid entering the circulating pump 11 in advance.
The overflow valve 12 is connected with an overflow tank 16 for collecting overflow circulating liquid.
The air inlet branch pipeline 17 and the air inlet main pipeline 20 are provided with air inlet check valves 24.
One side of the air inlet main pipeline 20 is connected with an energy storage tank 25, which can store gas with certain pressure and play a role in stabilizing pressure when the pressure of the air pump is unstable.
The front side of the air pump 22 is provided with a gas filter 26, which can filter the gas entering the air pump 22 in advance.
The circulating liquid in the circulating chamber 6 includes lubricating oil, water, ionic liquid, or the like. Preferably, the ionic liquid is adopted in the method, and has the advantages of no pollution, easy separation from products, easy recovery and repeated recycling, and even if leakage occurs, the ionic liquid cannot pollute the gas.
Working principle:
before working, the air outlets of the circulating liquid seal air cylinders are plugged, and the air inlets 5 of the air cavities at the two sides of the piston are only utilized, so that the reversing valve 19 is used for reversing the air entering the air cavities at the two sides, and the piston reciprocates.
When in detection, firstly, the lip of the sealing ring 27 faces the circulating cavity 6, the circulating hydraulic pressure is controlled through the overflow valve 12, so that the pressure of the circulating cavity 6 is higher than the pressure of the air cavity, the sealing condition of the sealing ring 27 is judged through the numerical variation condition of the pressure gauge 18 on the air inlet branch pipeline 17, the performance of the sealing ring 27 under the dynamic or static condition of different circulating hydraulic pressures is tested and recorded through adjusting the overflow valve 12, if the numerical value of the pressure gauge is increased, the circulating liquid can be determined to leak into the air cavity, the air cavity is reduced, the air pressure is increased, and the circulating hydraulic pressure value at the moment is the maximum circulating hydraulic pressure which can be born by the sealing ring 27;
then the lip of the sealing ring 27 faces the air cavity, the pressure of the air cavity is controlled by the pressure regulating valve 21 to enable the pressure of the air cavity to be larger than the pressure of the circulating cavity, the sealing condition of the sealing ring is judged by the numerical value change condition of the pressure gauge 18 on the air inlet branch pipeline 17, the performance of the sealing ring 27 under the dynamic or static condition of different air pressures is tested by the pressure regulating valve 21 and recorded, if the numerical value of the pressure gauge 18 is reduced, the condition that the air leaks into the circulating cavity 6 to reduce the air pressure can be determined, and the air pressure value at the moment is the maximum air pressure which can be born by the sealing ring 27.
The performance of the sealing rings 27 on the two sides of the circulating cavity 6 can be detected by the operation, so that the sealing rings meeting the high pressure requirement can be selected, and the sealing effect of the sealing rings on circulating liquid and gas is ensured.
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 seals cylinder sealing member performance detecting system, includes circulation liquid seals cylinder, is equipped with air inlet and gas outlet on the circulation liquid seals cylinder, is equipped with the circulation chamber in the circulation liquid seals cylinder, and the both sides in circulation chamber set up the sealing washer respectively, and circulation liquid seals cylinder lateral wall is equipped with inlet and the liquid outlet that is linked together with the circulation chamber, its characterized in that: the circulating liquid seal cylinder comprises a driving circulating liquid seal cylinder and a driven circulating liquid seal cylinder which are arranged oppositely, piston rods of the driving circulating liquid seal cylinder and the driven circulating liquid seal cylinder are connected through a pin shaft, and cylinder diameters of the driving circulating liquid seal cylinder and the driven circulating liquid seal cylinder are the same; the liquid inlet is connected with a liquid inlet branch pipeline, the liquid inlet branch pipeline is connected with a liquid inlet main pipeline, a circulating pump and an overflow valve are arranged on the liquid inlet main pipeline, and the liquid inlet main pipeline is connected with a circulating liquid tank; the air inlet is connected with an air inlet branch pipeline, the air inlet branch pipeline is provided with a pressure gauge and a reversing valve, the reversing valve is connected with an air inlet main pipeline, the air inlet main pipeline is provided with a pressure regulating valve and an air pump, and the air pump is connected with an air source.
2. The circulating liquid seal cylinder seal performance detection system of claim 1, wherein: the circulating liquid seal cylinder comprises a single-acting cylinder or a double-acting cylinder.
3. The circulating liquid seal cylinder seal performance detection system of claim 1, wherein: and a liquid inlet one-way valve is arranged on the liquid inlet main pipeline.
4. The circulating liquid seal cylinder seal performance detection system of claim 1, wherein: and a circulating liquid filter is arranged at the front side of the circulating pump.
5. The circulating liquid seal cylinder seal performance detection system of claim 1, wherein: the overflow valve is connected with the overflow groove.
6. The circulating liquid seal cylinder seal performance detection system of claim 1, wherein: and the air inlet branch pipeline and the air inlet main pipeline are provided with air inlet check valves.
7. The circulating liquid seal cylinder seal performance detection system of claim 1, wherein: one side of the air inlet main pipeline is connected with an energy storage tank.
8. The circulating liquid seal cylinder seal performance detection system of claim 1, wherein: the front side of the air pump is provided with an air filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322306651.0U CN220690389U (en) | 2023-08-28 | 2023-08-28 | Circulating liquid seal cylinder sealing member performance detection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322306651.0U CN220690389U (en) | 2023-08-28 | 2023-08-28 | Circulating liquid seal cylinder sealing member performance detection system |
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| CN220690389U true CN220690389U (en) | 2024-03-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322306651.0U Active CN220690389U (en) | 2023-08-28 | 2023-08-28 | Circulating liquid seal cylinder sealing member performance detection system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117191286A (en) * | 2023-08-28 | 2023-12-08 | 烟台东德实业有限公司 | Sealing element performance system for simultaneously detecting multiple pressure states of circulating liquid seal cylinder |
-
2023
- 2023-08-28 CN CN202322306651.0U patent/CN220690389U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117191286A (en) * | 2023-08-28 | 2023-12-08 | 烟台东德实业有限公司 | Sealing element performance system for simultaneously detecting multiple pressure states of circulating liquid seal cylinder |
| CN117191286B (en) * | 2023-08-28 | 2024-05-07 | 烟台东德实业有限公司 | Sealing element performance system for simultaneously detecting multiple pressure states of circulating liquid seal cylinder |
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