CN211314512U - Protection control system of air compressor - Google Patents
Protection control system of air compressor Download PDFInfo
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- CN211314512U CN211314512U CN201922313003.1U CN201922313003U CN211314512U CN 211314512 U CN211314512 U CN 211314512U CN 201922313003 U CN201922313003 U CN 201922313003U CN 211314512 U CN211314512 U CN 211314512U
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Abstract
The utility model relates to a protection control system of an air compressor, which comprises an air compressor, wherein an outlet pipeline at the top end of the air compressor is provided with an air compressor outlet valve, the air compressor outlet valve is connected to a refrigeration dryer through a pipeline, and a refrigeration dryer inlet valve is arranged on the pipeline close to the refrigeration dryer; a buffer tank is arranged at the position, close to the position of the air compressor outlet valve, of a pipeline between the air compressor outlet valve and the cold dryer inlet valve, and a drainage pipeline is arranged at the bottom of the buffer tank; an outlet pipeline is also arranged at the position, adjacent to the inlet valve of the cold dryer, of the pipeline between the inlet valve of the cold dryer and the buffer tank, and the outlet pipeline is connected to an industrial air pipe network; the outlet pipeline of the cold dryer is connected to the lead-out pipeline and is connected to an industrial air pipe network together; the utility model discloses compensate among the original air compressor system the gas after the compression through going into the cold defect that does not have buffer of machine cooling entering industry wind pipe network, through at compressor export installation buffer tank, make gaseous water content discharge in the buffer tank, the export pipeline reduces corrosion.
Description
Technical Field
The utility model relates to an air compression protection system improves structure, specifically is a protection control system who relates to an air compressor belongs to the chemical industry field.
Background
The pipeline from the outlet valve of the air compressor to the outlet of the compressor is about 20 meters, and the pipeline is made of carbon steel. After the air is compressed by the compressor, the gas at the outlet of the compressor contains partial moisture, and the pipeline at the section is seriously corroded after the air compressor is used for a long time. And the compressed gas enters the industrial air pipe network without a buffer device after entering the refrigeration dryer for cooling, so that the use amount of industrial air users is changed rapidly, the compressor generates a surge field, and great potential safety hazards are caused to equipment and production.
Disclosure of Invention
In view of the above technical problems, the present invention provides a protection control system for an air compressor, which comprises a buffer tank installed at the outlet of the compressor, so that the water content of the gas can be discharged from the buffer tank, and the corrosion of the outlet pipeline is reduced; and part of compressed gas is stored in the buffer tank, and when the use amount of industrial wind users is changed rapidly, the gas in the buffer tank can protect the compressor from surging.
In order to realize the purpose, the utility model discloses the technical scheme who adopts is: a protection control system of an air compressor comprises the air compressor, wherein an air compressor outlet valve is arranged on an outlet pipeline at the top end of the air compressor, the air compressor outlet valve is connected to a cold dryer through a pipeline, and a cold dryer inlet valve is arranged on the pipeline and close to the cold dryer; a buffer tank is arranged at the position, close to the position of the air compressor outlet valve, of a pipeline between the air compressor outlet valve and the cold dryer inlet valve, and a drainage pipeline is arranged at the bottom of the buffer tank; an outlet pipeline is also arranged at the position, adjacent to the inlet valve of the cold dryer, of the pipeline between the inlet valve of the cold dryer and the buffer tank, and the outlet pipeline is connected to an industrial air pipe network; the outlet pipeline of the cold dryer is connected to the lead-out pipeline and is connected to an industrial air pipe network together;
in the above-mentioned scheme, the compressor is put into operation the back, and the partial water yield that the outlet line gas contains is at buffer tank lower part deposit, will deposit the water discharge through the drain line of buffer tank bottom, has avoided outlet line's corruption.
Furthermore, one side of the buffer tank is connected with a liquid level transmitter through a pipeline, and a drain pipeline at the bottom end of the buffer tank is provided with a drain valve;
the blow-down valve is an electromagnetic valve or a pneumatic valve;
the liquid level transmitter is connected with a remote instrument control system through an electric signal, and the blowdown valve is connected with the remote instrument control system through an electric signal; when the water level of the buffer tank appears, a liquid level transmitter arranged in the buffer tank remotely transmits a signal to a remote instrument control system, and the remote instrument control system opens a drain valve to discharge water in the buffer tank; after the water in the buffer tank is drained, a liquid level transmitter arranged in the buffer tank transmits a signal to a remote instrument control system, and the remote instrument control system closes a drain valve;
in the scheme, the water level in the buffer tank is controlled by using the remote instrument control system, so that the corrosion of an outlet pipeline of the compressor is avoided, and the surging phenomenon of the compressor is reduced.
Further, the top end of the air compressor is respectively connected with an emptying silencer and an inlet filter through pipelines; an emptying valve is arranged on a pipeline connecting the air compressor and the emptying silencer; an inlet valve is arranged on a pipeline connecting the air compressor and the inlet filter;
a PLC control system is arranged at the bottom of the air compressor, the PLC control system is connected with the emptying valve through an electric signal, and the PLC control system is connected with the inlet valve through an electric signal;
when the air in the air compressor is subjected to emptying operation, the air emptying valve is opened and closed through the PLC control system; when the filter filters, the PLC control system controls the switch of the inlet valve;
furthermore, a circulating water inlet line and a circulating water outlet line are arranged on the cold dryer, and circulating water inlet and circulating water outlet can be realized in the cold dryer.
The utility model has the advantages that:
the utility model makes up the defect that the compressed gas in the original air compressor system enters the industrial air pipe network without a buffer device through the cooling of the cold dryer, and the water content of the gas can be discharged in the buffer tank by installing the buffer tank at the outlet of the compressor, so that the corrosion phenomenon of the outlet pipeline is reduced; the water level in the buffer tank is controlled by installing the buffer tank and using a remote instrument control system, so that the corrosion of an outlet pipeline of the compressor is avoided; and part of compressed gas is stored in the buffer tank, and when the use amount of industrial wind users is changed rapidly, the gas in the buffer tank can protect the compressor from surging.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure, 1, an air compressor, 2, an air compressor outlet valve, 3, a refrigeration dryer, 4, a refrigeration dryer inlet valve, 5, a buffer tank, 6, a drainage pipeline, 7, an outlet pipeline, 8, a liquid level transmitter, 9, a blow-off valve, 10, a remote instrument control system, 11, a vent silencer, 12, an inlet filter, 13, a vent valve, 14, an inlet valve, 15, a circulating water inlet line, 16 and a circulating water outlet line.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
Example 1
As shown in fig. 1, a protection control system of an air compressor comprises an air compressor 1, an air compressor outlet valve 2 is arranged on an outlet pipeline at the top end of the air compressor 1, the air compressor outlet valve 2 is connected to a refrigeration dryer 3 through a pipeline, and a refrigeration dryer inlet valve 4 is arranged on the pipeline close to the refrigeration dryer 3; a buffer tank 5 is arranged at the position, adjacent to the air compressor outlet valve 2, of a pipeline between the air compressor outlet valve 2 and the cold dryer inlet valve 4, and a drainage pipeline 6 is arranged at the bottom of the buffer tank 5; an outgoing pipeline 7 is also arranged at the position, adjacent to the inlet valve 4 of the cold dryer, of the pipeline between the inlet valve 4 of the cold dryer and the buffer tank 5, and the outgoing pipeline 7 is connected to an industrial air pipe network; the outlet pipeline of the cold dryer is connected to the lead-out pipeline 7 and is connected to an industrial air pipe network together;
in the above scheme, after the compressor is put into use, part of water contained in the outlet pipeline gas is deposited at the lower part of the buffer tank 5, and the stored water is discharged through the water discharge pipeline 6 at the bottom of the buffer tank 5, so that the corrosion of the outlet pipeline is avoided.
Example 2
A protection control system of an air compressor comprises an air compressor 1, wherein an air compressor outlet valve 2 is arranged on an outlet pipeline at the top end of the air compressor 1, the air compressor outlet valve 2 is connected to a cold dryer 3 through a pipeline, and a cold dryer inlet valve 4 is arranged on the pipeline close to the cold dryer 3; a buffer tank 5 is arranged at the position, adjacent to the air compressor outlet valve 2, of a pipeline between the air compressor outlet valve 2 and the cold dryer inlet valve 4, and a drainage pipeline 6 is arranged at the bottom of the buffer tank 5; an outgoing pipeline 7 is also arranged at the position, adjacent to the inlet valve 4 of the cold dryer, of the pipeline between the inlet valve 4 of the cold dryer and the buffer tank 5, and the outgoing pipeline 7 is connected to an industrial air pipe network; the outlet pipeline of the cold dryer is connected to the lead-out pipeline 7 and is connected to an industrial air pipe network together;
one side of the buffer tank 5 is connected with a liquid level transmitter 8 through a pipeline, and a drain pipeline 6 at the bottom end of the buffer tank 5 is provided with a drain valve 9;
the blow-down valve 9 is an electromagnetic valve or a pneumatic valve;
the liquid level transmitter 8 is connected with a remote instrument control system 10 through an electric signal, and the blowdown valve 9 is connected with the remote instrument control system 10 through an electric signal; when the water level of the buffer tank 5 appears, a liquid level transmitter 8 arranged in the buffer tank 5 transmits a signal to a remote instrument control system 10, and the remote instrument control system 10 opens a drain valve 9 to discharge the water in the buffer tank 5; after the water in the buffer tank 5 is drained, a liquid level transmitter 8 arranged in the buffer tank 5 transmits a signal to a remote instrument control system 10, and the remote instrument control system 10 closes a drain valve 9;
in the scheme, the water level in the buffer tank 5 is controlled by using the remote instrument control system 10, so that the corrosion of an outlet pipeline of the compressor is avoided, and the surging phenomenon of the compressor is reduced.
The concrete mode is as follows: when the air compressor is put into operation, compressed air firstly enters the buffer tank 5 for buffering, part of water contained in the compressed air is deposited in the buffer tank 5, a liquid level transmitter 8 arranged in the buffer tank 5 transmits a liquid level signal to the remote instrument control system 10, and when the water level appears in the buffer tank 5, the remote instrument control system 10 opens the drain valve 9 to discharge water stored in the buffer tank 5; when the water in the buffer tank 5 is drained, the remote instrument control system 10 closes the drain valve 10.
The top end of the air compressor 1 is respectively connected with a vent muffler 11 and an inlet filter 12 through pipelines; an emptying valve 13 is arranged on a pipeline connecting the air compressor 1 and the emptying silencer 11; an inlet valve 14 is arranged on a pipeline connecting the air compressor 1 and the inlet filter 12;
a PLC control system is arranged at the bottom of the air compressor 1, the PLC control system is in electric signal connection with the emptying valve 13, and the PLC control system is in electric signal connection with the inlet valve 14;
when the air in the air compressor 1 is emptied, the air emptying valve 13 is opened and closed through a PLC control system; when the filter 12 filters, the PLC control system controls the opening and closing of the inlet valve 14;
furthermore, a circulating water inlet line 15 and a circulating water outlet line 16 are arranged on the cold dryer 3, and circulating water inlet and circulating water outlet can be realized in the cold dryer 3.
Claims (4)
1. A protection control system of an air compressor is characterized in that: the air compressor inlet valve is arranged on the pipeline close to the refrigerating machine; a buffer tank is arranged at the position, close to the position of the air compressor outlet valve, of a pipeline between the air compressor outlet valve and the cold dryer inlet valve, and a drainage pipeline is arranged at the bottom of the buffer tank; an outlet pipeline is also arranged at the position, adjacent to the inlet valve of the cold dryer, of the pipeline between the inlet valve of the cold dryer and the buffer tank, and the outlet pipeline is connected to an industrial air pipe network; the outlet pipeline of the cold dryer is connected to the outlet pipeline and is connected to the industrial air pipe network together.
2. The protection control system of an air compressor according to claim 1, wherein: one side of the buffer tank is connected with a liquid level transmitter through a pipeline, and a drain pipeline at the bottom end of the buffer tank is provided with a blow-down valve.
3. The protection control system of an air compressor according to claim 2, wherein: the blow-down valve is an electromagnetic valve or a pneumatic valve.
4. The protection control system of an air compressor according to claim 1, wherein: and a circulating water inlet line and a circulating water outlet line are arranged on the cold dryer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922313003.1U CN211314512U (en) | 2019-12-20 | 2019-12-20 | Protection control system of air compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922313003.1U CN211314512U (en) | 2019-12-20 | 2019-12-20 | Protection control system of air compressor |
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| Publication Number | Publication Date |
|---|---|
| CN211314512U true CN211314512U (en) | 2020-08-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922313003.1U Active CN211314512U (en) | 2019-12-20 | 2019-12-20 | Protection control system of air compressor |
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| CN (1) | CN211314512U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110821793A (en) * | 2019-12-20 | 2020-02-21 | 大连福佳·大化石油化工有限公司 | Protection control system of air compressor |
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- 2019-12-20 CN CN201922313003.1U patent/CN211314512U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110821793A (en) * | 2019-12-20 | 2020-02-21 | 大连福佳·大化石油化工有限公司 | Protection control system of air compressor |
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