CN214663727U - Compressor unit sealing system - Google Patents
Compressor unit sealing system Download PDFInfo
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- CN214663727U CN214663727U CN202023211986.7U CN202023211986U CN214663727U CN 214663727 U CN214663727 U CN 214663727U CN 202023211986 U CN202023211986 U CN 202023211986U CN 214663727 U CN214663727 U CN 214663727U
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- sealing system
- pipeline
- pressure reducing
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Abstract
The utility model belongs to the technical field of the compressor seal, concretely relates to compressor unit sealing system, the compressor unit is provided with sealed trachea line, and sealed trachea line is connected to the nitrogen gas pipeline through the pressure-reducing valve group, the pressure-reducing valve group includes relief pressure valve, preceding isolation valve and back isolation valve, and preceding isolation valve and back isolation valve set up the place ahead and the rear at the relief pressure valve respectively. The utility model discloses a relief pressure valve easy to overhaul and excision replacement can reduce the sealed gas of second grade and the undulant risk of rearmounted isolation gas pressure, guarantees the long-term steady operation of compressor unit.
Description
Technical Field
The utility model belongs to the technical field of the compressor is sealed, concretely relates to compressor unit sealing system.
Background
The compressor unit is usually provided with a dry gas sealing system, the source of the secondary sealing gas and the postposition isolation gas is usually 0.6Mpa nitrogen, a general oil refinery does not have the pressure nitrogen, the pressure needs to be reduced to 0.6Mpa by a 2.0Mpa high-pressure nitrogen pressure reducing valve, but the pressure reducing valve has aging risk after long-term use, the pressure of the secondary sealing gas and the postposition isolation gas fluctuates, and the compressor unit even stops.
Disclosure of Invention
According to the defect that above-mentioned prior art exists, the utility model aims at providing a compressor unit sealing system can guarantee the long-term steady operation of compressor unit.
In order to achieve the above object, the utility model adopts the following technical scheme: the utility model provides a compressor unit sealing system, the compressor unit is provided with sealed trachea line, and sealed trachea line is connected to the nitrogen gas pipeline through the pressure reducing valve group, the pressure reducing valve group includes relief pressure valve, preceding isolation valve and back isolation valve, and preceding isolation valve and back isolation valve set up the place ahead and the rear at the relief pressure valve respectively. The front and the rear are judged along the flow direction of the gas in the pipeline.
Furthermore, the pressure reducing valve group further comprises a pilot shower valve for pressure relief, the nitrogen pipeline is connected with a pilot shower pipe extending downwards, and the pilot shower valve is arranged on the pilot shower pipe.
Furthermore, the pressure reducing valve banks are arranged in two groups, and the two groups of pressure reducing valve banks are connected in parallel.
Furthermore, a nitrogen pipeline valve for controlling the opening and closing of the nitrogen pipeline is arranged on the nitrogen pipeline.
Furthermore, the nitrogen pipeline is connected with a plurality of sealed gas pipelines, and each sealed gas pipeline is independently controlled through a sealed gas pipeline valve.
Further, the pressure reducing valve group is arranged on the nitrogen pipeline.
Further, the nitrogen pipeline is a high-pressure nitrogen pipeline of 2.0 MPa.
Further, the sealed gas line is a 0.6Mpa nitrogen line.
Further, a pressure gauge is arranged on the nitrogen pipeline.
Further, a pressure gauge is arranged on the sealed gas pipeline.
The utility model has the advantages that: the utility model discloses a relief pressure valve easy to overhaul and excision replacement can reduce the sealed gas of second grade and the undulant risk of rearmounted isolation gas pressure, guarantees the long-term steady operation of compressor unit.
Drawings
FIG. 1 is a process flow diagram of a compressor unit sealed gas line;
in the figure: 1. the device comprises a sealed gas pipeline, 2 a nitrogen pipeline, 3 a pressure reducing valve, 4 a front isolating valve, 5 a rear isolating valve, 6 a pilot shower valve, 7 a nitrogen pipeline valve and 8 a sealed gas pipeline valve.
Detailed Description
In order to make the structure and function of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solution in the embodiments of the present invention.
Referring to the attached drawing 1, the compressor unit sealing system is provided with a sealing air pipeline 1, the sealing air pipeline seals the compressor unit through 0.6Mpa nitrogen, the sealing air pipeline 1 is connected to a nitrogen pipeline through a pressure reducing valve bank, the nitrogen pipeline is a 2.0Mpa high-pressure nitrogen pipeline and needs to be reduced to 0.6Mpa through a pressure reducing valve, the pressure reducing valve bank comprises a pressure reducing valve 3, a front isolating valve 4 and a rear isolating valve 5, and the front isolating valve 4 and the rear isolating valve 5 are respectively arranged in front of and behind the pressure reducing valve 3. The front isolation valve 4 and the rear isolation valve 5 facilitate the cutting, maintenance or replacement of the pressure reducing valve 3, and the excessive aging of the pressure reducing valve is avoided.
Furthermore, the pressure reducing valve group further comprises a pilot shower valve 6 for pressure relief, the nitrogen pipeline 2 is connected with a pilot shower pipe extending downwards, and the pilot shower valve 6 is arranged on the pilot shower pipe.
Furthermore, the pressure reducing valve banks are arranged in two groups, and the two groups of pressure reducing valve banks are connected in parallel. One of the two groups of pressure reducing valve banks is used for standby, so that the pressure reducing valves can be conveniently switched for standby when in fault or maintenance.
Further, a nitrogen pipeline valve 7 for controlling the opening and closing of the nitrogen pipeline is arranged on the nitrogen pipeline 2.
Furthermore, the nitrogen pipeline 2 is connected with a plurality of sealed gas pipelines 1, and each sealed gas pipeline is independently controlled through a sealed gas pipeline valve 8.
Further, the pressure reducing valve group is arranged on the nitrogen pipeline 2, and the nitrogen after pressure reduction can be used for sealing all sealing gas pipelines.
Furthermore, pressure gauges are respectively arranged on the nitrogen pipeline and the sealed gas pipeline. The monitoring of the nitrogen pressure in the pipeline is convenient.
The utility model discloses an increase around the relief pressure valve, lead and drench the valve and newly-increased a set of relief pressure valve and around valve, lead and drench the valve and guarantee compressor unit's sealed effect. The front valve and the rear valve are convenient for cutting off and replacing the pressure reducing valve, the pilot shower valve is convenient for relieving pressure, and the standby pressure reducing valve bank is convenient for switching the pressure reducing valve for standby. The long-term stable operation of the compressor unit is ensured.
The above list is only the preferred embodiment of the present invention. Obviously, the present invention is not limited to the above embodiments, and many modifications are possible. All modifications which can be derived or suggested by a person skilled in the art from the disclosure of the invention should be considered as within the scope of the invention.
Claims (10)
1. A compressor unit sealing system, characterized by: the compressor unit is provided with sealed trachea line, and sealed trachea line is connected to the nitrogen gas pipeline through the pressure reducing valve group, the pressure reducing valve group includes relief pressure valve, preceding isolation valve and back isolation valve, and preceding isolation valve and back isolation valve set up respectively in the place ahead and the rear of relief pressure valve.
2. A compressor package sealing system as set forth in claim 1, wherein: the pressure reducing valve group further comprises a pilot shower valve for pressure relief, the nitrogen pipeline is connected with a pilot shower pipe extending downwards, and the pilot shower valve is arranged on the pilot shower pipe.
3. A compressor package sealing system as set forth in claim 1 or 2, wherein: the pressure reducing valve banks are arranged in two groups, and the two groups of pressure reducing valve banks are connected in parallel.
4. A compressor package sealing system as set forth in claim 1, wherein: and a nitrogen pipeline valve for controlling the opening and closing of the nitrogen pipeline is arranged on the nitrogen pipeline.
5. A compressor package sealing system as set forth in claim 1, wherein: the nitrogen pipeline is connected with a plurality of sealed gas pipelines, and each sealed gas pipeline is independently controlled through a sealed gas pipeline valve.
6. The compressor package sealing system of claim 5, wherein: the pressure reducing valve group is arranged on the nitrogen pipeline.
7. A compressor package sealing system as set forth in claim 1, wherein: the nitrogen pipeline is a high-pressure nitrogen pipeline of 2.0 Mpa.
8. A compressor package sealing system as set forth in claim 1, wherein: the sealed gas pipeline is a nitrogen pipeline of 0.6 Mpa.
9. A compressor package sealing system as set forth in claim 1, wherein: and a pressure gauge is arranged on the nitrogen pipeline.
10. A compressor unit sealing system as set forth in claim 1, wherein: and a pressure gauge is arranged on the sealed gas pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023211986.7U CN214663727U (en) | 2020-12-28 | 2020-12-28 | Compressor unit sealing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023211986.7U CN214663727U (en) | 2020-12-28 | 2020-12-28 | Compressor unit sealing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214663727U true CN214663727U (en) | 2021-11-09 |
Family
ID=78503562
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023211986.7U Active CN214663727U (en) | 2020-12-28 | 2020-12-28 | Compressor unit sealing system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214663727U (en) |
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2020
- 2020-12-28 CN CN202023211986.7U patent/CN214663727U/en active Active
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