CN220646278U - Oil circuit structure of large centrifugal compressor - Google Patents
Oil circuit structure of large centrifugal compressor Download PDFInfo
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- CN220646278U CN220646278U CN202320577665.3U CN202320577665U CN220646278U CN 220646278 U CN220646278 U CN 220646278U CN 202320577665 U CN202320577665 U CN 202320577665U CN 220646278 U CN220646278 U CN 220646278U
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- compressor
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- pipeline
- oil pump
- connecting pipeline
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- 239000003921 oil Substances 0.000 claims description 113
- 239000010725 compressor oil Substances 0.000 claims 2
- 238000012423 maintenance Methods 0.000 description 4
- 239000010687 lubricating oil Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
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Abstract
The utility model discloses an oil way structure of a large centrifugal compressor, which comprises a main oil tank, wherein the main oil tank is connected with an inlet end of an oil cooler through a connecting pipeline, an outlet end of the oil cooler is connected with the compressor through a connecting pipeline, the compressor is connected with the main oil tank through the connecting pipeline, the main oil tank, the compressor and the oil cooler form an oil way structure, an oil filter is fixedly arranged on the connecting pipeline between the outlet end of the oil cooler and the compressor, and an auxiliary oil pump is fixedly arranged on the connecting pipeline between the main oil tank and the oil cooler.
Description
Technical Field
The utility model relates to the technical field of oil circuit systems, in particular to an oil circuit structure of a large centrifugal compressor.
Background
At present, when a large centrifugal compressor of a lubricating oil system with an auxiliary oil pump and a main oil pump is normally stopped, the application of an oil way of the large centrifugal compressor in the prior art always depends on the experience operation of a worker to finish whether the operation is normal or not, but the stopping program of the compressor cannot be coupled with the pipeline of the auxiliary oil pump, so that whether the auxiliary oil pump is self-started or not cannot be monitored, the compressor can be stopped no matter whether the auxiliary oil pump is self-started or not once the compressor starts to execute the stopping program, and once the oil pump is not self-started, compressor bearing shell scrapping is caused, and mechanical parts of the compressor such as gears are damaged
In view of the above factors, an oil path structure of a large centrifugal compressor is specially designed, and the problems that the bearing bush of the compressor is scrapped and mechanical parts of the compressor such as gears are damaged due to the fact that an auxiliary oil pump is not started automatically when the compressor is stopped normally can be effectively avoided.
Disclosure of Invention
The utility model aims to provide an oil circuit structure of a large centrifugal compressor, which solves the technical problem that an auxiliary oil pump fails and is not started automatically when the compressor is stopped normally, and the compressor is damaged due to the fact that a stopping program is continuously executed, and meanwhile, the auxiliary oil pump is disassembled, replaced or maintained under the condition of normal operation of the compressor.
The utility model aims at realizing the following technical scheme: the oil way structure of the large centrifugal compressor comprises a main oil tank, wherein the main oil tank is connected with an inlet end of an oil cooler through a connecting pipeline, an outlet end of the oil cooler is connected with the compressor through a connecting pipeline, and the compressor is connected with the main oil tank through a connecting pipeline;
the main oil tank, the compressor and the oil cooler form an oil path structure;
an oil filter is fixedly arranged on a connecting pipeline between the outlet end of the oil cooler and the compressor;
and an auxiliary oil pump is fixedly arranged on a connecting pipeline between the main oil tank and the oil cooler.
Further, a bypass pipeline is arranged on a pipeline between the main oil tank and the auxiliary oil pump, the bypass pipeline is connected with the main oil pump, and the main oil pump is connected with the compressor through a connecting pipeline.
Further, a first stop valve and a second stop valve are arranged at the front end and the rear end of the auxiliary oil pump on a pipeline where the auxiliary oil pump is located.
Further, a bypass pipeline is connected to the pipeline between the auxiliary oil pump and the second stop valve through a tee joint, and an exhaust valve is arranged on the bypass pipeline.
Further, a temperature control valve is installed on a pipeline between the oil cooler and the oil filter.
Further, the temperature control valve is connected with a pipeline where the second stop valve is located through a connecting pipeline;
the main oil pump is connected with the pipelines of the temperature control valve and the second stop valve through connecting pipelines.
Further, the compressor is internally provided with a compressor program, and the response time of the compressor program in the compressor is 5s.
Compared with the prior art, the utility model has the beneficial effects that:
the utility model has the beneficial effects that the damage of mechanical parts of the compressor such as a bearing bush of the compressor, a gear and the like caused by the fact that an auxiliary oil pump is not started automatically when the compressor is stopped normally can be avoided;
when the auxiliary oil pump is not started automatically when the compressor is normally stopped, the auxiliary oil pump can be disassembled for replacement or maintenance.
Drawings
FIG. 1 is a schematic view of an oil circuit structure according to the present utility model;
FIG. 2 is a schematic diagram of the control logic of the present utility model.
Detailed Description
The technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments, and all other embodiments obtained by those skilled in the art without making creative efforts based on the embodiments of the present utility model are included in the protection scope of the present utility model.
1-2, an oil circuit structure of a large centrifugal compressor comprises a main oil tank 1, wherein the main oil tank 1 is connected with an inlet end of an oil cooler 5 through a connecting pipeline, an outlet end of the oil cooler 5 is connected with a compressor 2 through a connecting pipeline, and the compressor 2 is connected with the main oil tank 1 through a connecting pipeline;
the main oil tank 1, the compressor 2 and the oil cooler 5 form an oil path structure;
an oil filter 6 is fixedly arranged on a connecting pipeline between the outlet end of the oil cooler 5 and the compressor 2;
the auxiliary oil pump 4 is fixedly installed on a connecting pipeline between the main oil tank 1 and the oil cooler 5, a bypass pipeline is arranged on a pipeline between the main oil tank 1 and the auxiliary oil pump 4, the bypass pipeline is connected with the main oil pump 3, and the main oil pump 3 is connected with the compressor 2 through the connecting pipeline.
In order to facilitate the replacement or maintenance of the auxiliary oil pump by closing the front and rear stop valves of the auxiliary oil pump when the auxiliary oil pump fails to be started automatically during normal shutdown in a use state, a further preferred embodiment of the present utility model is that a first stop valve 8 and a second stop valve 9 are installed on the pipeline where the auxiliary oil pump 4 is located at the front end and the rear end of the auxiliary oil pump 4.
In order to facilitate the exhaustion of the whole oil path structure in the use state, a further preferred embodiment of the present utility model is that a bypass line is connected to the pipe between the auxiliary oil pump 4 and the second stop valve 9 through a three-way pipe, and an exhaust valve 10 is installed on the bypass line.
In order to facilitate temperature detection by means of a thermo valve in a situation of use for controlling the flow of the oil circuit structure, it is a further preferred embodiment of the utility model that a thermo valve 7 is mounted on the conduit between the oil cooler 5 and the oil filter 6.
The temperature control valve 7 is connected with a pipeline where the second stop valve 9 is located through a connecting pipeline;
the main oil pump 3 is connected with the pipelines of the temperature control valve 7 and the second stop valve 9 through connecting pipelines.
In order to facilitate the fault condition of the auxiliary oil pump by the built-in compressor program detection system of the compressor 2 in a use state, a further preferred embodiment of the present utility model is that the built-in compressor program of the compressor 2 is built-in, and the response time of the built-in compressor program of the compressor 2 is 5s.
In the utility model, as shown in fig. 2, when the compressor is normally stopped, the compressor program firstly judges whether the auxiliary oil pump is self-started within 5 seconds, if the program judges that the auxiliary oil pump is self-started within 5 seconds, the main motor of the compressor is stopped and the subsequent normal stopping program is continuously executed, and if the program judges that the auxiliary oil pump is not self-started within 5 seconds, the system displays the fault of the auxiliary oil pump, the compressor is continuously operated, and the maintenance personnel of the compressor is prompted to perform quick processing.
In the utility model, as shown in fig. 1, the lubricating oil path structure is that a stop valve 8 and a stop valve 9 are respectively arranged at the front end and the rear end of an oil pipeline of an auxiliary oil pump 4, an exhaust valve 10 is arranged between the auxiliary oil pump 4 and the stop valve 9 at the rear end, when the auxiliary oil pump 4 fails and can not be started automatically during normal shutdown, the front stop valve 8 and the rear stop valve 9 of the auxiliary oil pump 4 can be closed to replace or maintain the auxiliary oil pump 4, after maintenance and installation are restored, the front stop valve 8 and the exhaust valve 10 of the auxiliary oil pump 4 are opened, after the exhaust valve 10 is discharged with continuous lubricating oil, the exhaust valve 10 is closed, the stop valve 9 is opened after the auxiliary oil pump 4 is opened, and finally the normal shutdown of the compressor is carried out again.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (7)
1. The utility model provides an oil circuit structure of large-scale centrifugal compressor, includes main oil tank (1), its characterized in that: the main oil tank (1) is connected with the inlet end of the oil cooler (5) through a connecting pipeline, the outlet end of the oil cooler (5) is connected with the compressor (2) through a connecting pipeline, and the compressor (2) is connected with the main oil tank (1) through a connecting pipeline;
the main oil tank (1), the compressor (2) and the oil cooler (5) form an oil path structure;
an oil filter (6) is fixedly arranged on a connecting pipeline between the outlet end of the oil cooler (5) and the compressor (2);
an auxiliary oil pump (4) is fixedly arranged on a connecting pipeline between the main oil tank (1) and the oil cooler (5).
2. The oil path structure of a large centrifugal compressor according to claim 1, wherein: a bypass pipeline is arranged on a pipeline between the main oil tank (1) and the auxiliary oil pump (4), the bypass pipeline is connected with the main oil pump (3), and the main oil pump (3) is connected with the compressor (2) through a connecting pipeline.
3. The oil path structure of a large centrifugal compressor according to claim 2, wherein: the pipeline where the auxiliary oil pump (4) is located is provided with a first stop valve (8) and a second stop valve (9) at the front end and the rear end of the auxiliary oil pump (4).
4. A large centrifugal compressor oil passage structure according to claim 3, wherein: the pipeline between the auxiliary oil pump (4) and the second stop valve (9) is connected with a bypass pipeline through a tee joint, and an exhaust valve (10) is arranged on the bypass pipeline.
5. The oil path structure of a large centrifugal compressor according to claim 4, wherein: a temperature control valve (7) is arranged on a pipeline between the oil cooler (5) and the oil filter (6).
6. The oil path structure of a large centrifugal compressor according to claim 5, wherein: the temperature control valve (7) is connected with a pipeline where the second stop valve (9) is located through a connecting pipeline;
the main oil pump (3) is connected with the pipelines of the temperature control valve (7) and the second stop valve (9) through connecting pipelines.
7. A large centrifugal compressor oil passage structure according to claim 3, wherein: the compressor (2) is internally provided with a compressor program, and the response time of the compressor program arranged in the compressor (2) is 5s.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320577665.3U CN220646278U (en) | 2023-03-22 | 2023-03-22 | Oil circuit structure of large centrifugal compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320577665.3U CN220646278U (en) | 2023-03-22 | 2023-03-22 | Oil circuit structure of large centrifugal compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220646278U true CN220646278U (en) | 2024-03-22 |
Family
ID=90285654
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320577665.3U Active CN220646278U (en) | 2023-03-22 | 2023-03-22 | Oil circuit structure of large centrifugal compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220646278U (en) |
-
2023
- 2023-03-22 CN CN202320577665.3U patent/CN220646278U/en active Active
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