CN214119686U - Gas pipeline purging system - Google Patents
Gas pipeline purging system Download PDFInfo
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- CN214119686U CN214119686U CN202022466376.5U CN202022466376U CN214119686U CN 214119686 U CN214119686 U CN 214119686U CN 202022466376 U CN202022466376 U CN 202022466376U CN 214119686 U CN214119686 U CN 214119686U
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Abstract
The utility model provides a gas pipeline purging system, including gas piping, purge gas pipe, gas purge pipe, coupling hose, purge gas motorised valve, pressure measurement, blow-off pipeline and controller, the purge gas pipe passes through coupling hose with the one end intercommunication of gas purge pipe, the other end of gas purge pipe with the gas piping intercommunication, blow-off pipeline with the gas piping intercommunication, the purge gas motorised valve sets up on the purge gas pipe, pressure measurement sets up on the gas piping, pressure measurement with the controller is connected, pressure measurement is used for detecting the pressure of gas piping, the controller with the purge gas motorised valve is connected. The utility model discloses the steerable gaseous volume that sweeps that gets into gas piping, and then the pressure in the control gas piping to avoid the too high of pressure in the gas piping, damage gas piping, improve gas piping purging system's security.
Description
Technical Field
The utility model relates to a gas piping sweeps technical field, in particular to gas piping system that sweeps.
Background
A gas pipeline purging system is a device which is commonly used by iron and steel enterprises and is used for treating gas when a gas pipeline stops sending. Because the pressure of the purge gas is high (generally above 0.3 MPa), and the working pressure of the gas pipeline is low (generally 5-30 kPa), the accident that the pressure of the gas pipeline exceeds the designed pressure and the equipment is damaged because the operating personnel do not monitor the pressure of the gas pipeline at any time and take measures has occurred.
Therefore, there is an urgent need for improvement of the existing gas pipeline purging system to improve the safety performance of the gas pipeline purging system.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a gas pipeline purging system to solve the problem that current gas pipeline purging system security is low.
For solving the technical problem, the utility model provides a gas pipeline purging system, including gas piping, purge gas pipe, gas purge pipe, coupling hose, purge gas motorised valve, pressure measurement device, blow off pipeline and controller, the purge gas pipe passes through coupling hose with the one end intercommunication of gas purge pipe, the gas purge pipe the other end with the gas piping intercommunication, the purge pipe with the gas piping intercommunication, the purge gas motorised valve sets up on the purge gas pipe, pressure measurement device sets up on the gas piping, pressure measurement device with the controller is connected, pressure measurement device is used for detecting gas piping's pressure, the controller with the purge gas motorised valve is connected.
Optionally, the controller is configured to control opening and closing of the purge gas electric valve according to the pressure detected by the pressure detection device.
Optionally, the device further comprises a purge gas manual valve, and the purge gas manual valve is arranged on the purge gas pipe.
Optionally, the purge gas manual valve and the purge gas electric valve are used for controlling the conduction and the closing of the purge gas pipe in a matching manner.
Optionally, the gas purging device further comprises a gas purging valve, and the gas purging valve is arranged on the gas purging pipe.
Optionally, the gas purge valve is used for controlling the connection and the disconnection of the gas purge pipe.
Optionally, the blow-off pipeline includes a gas blow-off pipe and a gas blow-off valve, the gas blow-off pipe is communicated with the gas pipeline, and the gas blow-off valve is located on the gas blow-off pipe.
Optionally, the gas bleeding valve is used for controlling the conduction and the closing of the gas bleeding pipe.
Optionally, the pressure detection device is a pressure gauge.
Optionally, the connection hose is a metal hose.
The utility model provides a pair of gas pipeline purging system has following beneficial effect:
the gas blowing pipe is communicated with one end of the gas blowing pipe through the connecting hose, the other end of the gas blowing pipe is communicated with the gas pipeline, and the blow-off pipeline is communicated with the gas pipeline, so that the blowing gas entering the gas blowing pipe can sequentially flow through the gas blowing pipe, the connecting hose, the gas blowing pipe, the gas pipeline and the blow-off pipeline, and the gas blowing in the gas pipeline is realized. Because the purge gas electric valve is arranged on the purge gas pipe, the purge gas electric valve can control the opening and closing of the purge gas pipe, so that the amount of purge gas entering the gas pipeline is controlled. The pressure detection device is arranged on the gas pipeline and connected with the controller, the pressure detection device is used for detecting the pressure of the gas pipeline, the controller is connected with the purge gas electric valve, and the controller is used for controlling the opening and closing of the purge gas electric valve according to the pressure detected by the pressure detection device so as to control the conduction and the closing of the purge gas pipe.
Drawings
Fig. 1 is a schematic diagram of a gas pipeline purging system in an embodiment of the present invention.
Description of reference numerals:
110-gas pipeline; 120-a purge gas pipe; 130-gas purge tube; 140-connecting a hose; 150-purge gas electric valve; 160-pressure detection means; 170-blowing-off pipeline; 171-gas diffusing pipe; 172-gas bleeding valves; 180-purge gas manual valve; 190-gas purge valve.
Detailed Description
The gas pipeline purging system provided by the invention is further described in detail with reference to the accompanying drawings and specific embodiments. The advantages and features of the present invention will become more apparent from the following description. It should be noted that the drawings are in simplified form and are not to precise scale, and are provided for convenience and clarity in order to facilitate the description of the embodiments of the present invention.
Referring to fig. 1, fig. 1 is a schematic diagram of a gas pipeline purging system according to an embodiment of the present invention, the gas pipeline purging system includes a gas pipeline 110, a purge gas pipe 120, a gas purge pipe 130, a connection hose 140, a purge gas electric valve 150, a pressure detection device 160, a blow-off line 170 and a controller, the purge gas pipe 120 is communicated with one end of the gas purge pipe 130 through the connection hose 140, the other end of the gas purging pipe 130 is communicated with the gas pipeline 110, the blow-off line 170 is communicated with the gas pipeline 110, the purge gas electric valve 150 is disposed on the purge gas pipe 120, the pressure detecting device 160 is disposed on the gas pipe 110, the pressure detection device 160 is connected to the controller, the pressure detection device 160 is used to detect the pressure of the gas pipe 110, and the controller is connected to the purge gas electric valve 150.
Because the purge gas pipe 120 is communicated with one end of the gas purge pipe 130 through the connection hose 140, the other end of the gas purge pipe 130 is communicated with the gas pipeline 110, and the blow-off line 170 is communicated with the gas pipeline 110, the purge gas entering the purge gas pipe 120 can sequentially flow through the purge gas pipe 120, the connection hose 140, the gas purge pipe 130, the gas pipeline 110 and the blow-off line 170, thereby achieving gas purging in the gas pipeline 110. Since the purge gas electric valve 150 is disposed on the purge gas pipe 120, the purge gas pipe 120 may be controlled to be opened and closed by the purge gas electric valve 150, thereby controlling the amount of purge gas introduced into the gas pipe 110. Since the pressure detecting device 160 is provided on the gas pipe 110, the pressure detecting device 160 is connected to the controller, the pressure detection device 160 is used for detecting the pressure of the gas pipeline 110, the controller is connected with the purge gas electric valve 150, the controller is used for controlling the opening and closing of the purge gas electric valve 150 according to the pressure detected by the pressure detection device 160, thereby controlling the conduction and closing of the purge gas pipe 120, so that when the gas pressure in the gas pipe 110 detected by the pressure detecting device 160 exceeds a predetermined value, the controller may control the purge gas electric valve 150 to close the purge gas pipe 120, thereby controlling the amount of purge gas entering the gas pipe 110, further controlling the pressure in the gas pipeline 110 to prevent the pressure in the gas pipeline 110 from being too high and damaging the gas pipeline 110, thereby improving the safety of the gas pipeline purging system.
The gas pipeline purging system further comprises a purge gas manual valve 180, and the purge gas manual valve 180 is arranged on the purge gas pipe 120. The purge gas manual valve 180 and the purge gas electric valve 150 are used to control the conduction and the closing of the purge gas pipe 120. The gas pipeline purging system further comprises a gas purging valve 190, and the gas purging valve 190 is arranged on the gas purging pipe 130. The gas purge valve 190 is used to control the connection and disconnection of the gas purge pipe 130.
In this embodiment, the purge gas pipe 120 is opened when the purge gas electric valve 150 and the purge gas manual valve 180 are opened, and the purge gas pipe 120 is closed when the purge gas electric valve 150 or the purge gas manual valve 180 is closed. When the gas purge valve 190 is opened, the gas purge pipe 130 is conducted, and when the gas purge valve 190 is closed, the gas purge pipe 130 is closed.
The blow-off line 170 includes a gas blow-off pipe 171 and a gas blow-off valve 172. The gas diffusion pipe 171 is communicated with the gas pipeline. The gas release valve 172 is located on the gas release pipe 171. The gas bleeding valve 172 is used to control the conduction and the closing of the gas bleeding pipe 171. When the gas bleeding valve 172 is opened, the gas bleeding pipe 171 is conducted, and when the gas bleeding valve 172 is closed, the gas bleeding pipe 171 is closed.
The pressure detecting device 160 is a pressure gauge.
The connection hose 140 is a metal hose.
In this embodiment, the working process of the gas pipeline purging system for purging the gas in the gas pipeline 110 is as follows:
first, the gas purge pipe 130 and the purge gas pipe 120 are connected by a metal hose.
Then, the gas bleeding valve 172 and the gas purge valve 190 are opened.
Then, the manual purge gas valve 180 and the electric purge gas valve 150 are opened, so that the purge gas enters the connection hose 140 from the purge gas pipe 120, enters the gas purge pipe 130, and then enters the gas pipeline 110 and the gas diffusing pipe 171 in sequence, so as to purge the gas in the gas pipeline 110 by the purge gas.
Wherein, in the working process that the gas pipeline purging system purges the gas in the gas pipeline 110, the pressure detection device 160 detects the pressure in the gas pipeline 110 in real time, and when the pressure detected by the pressure detection device 160 is greater than a predetermined value, the controller controls the purge gas electric valve 150 to automatically close, so as to prevent the pressure in the gas pipeline 110 from continuously rising and exceeding the allowable pressure, thereby ensuring that the gas pipeline 110 is not damaged due to overpressure in the purging process.
The above description is only for the preferred embodiment of the present invention and is not intended to limit the scope of the present invention, and any modification and modification made by those skilled in the art according to the above disclosure are all within the scope of the claims.
Claims (10)
1. The gas pipeline purging system is characterized by comprising a gas pipeline, a purging gas pipe, a gas purging pipe, a connecting hose, a purging gas electric valve, a pressure detection device, a blowing pipeline and a controller, wherein the purging gas pipe is communicated with one end of the gas purging pipe through the connecting hose, the other end of the gas purging pipe is communicated with the gas pipeline, the blowing pipeline is communicated with the gas pipeline, the purging gas electric valve is arranged on the purging gas pipe, the pressure detection device is arranged on the gas pipeline, the pressure detection device is connected with the controller, the pressure detection device is used for detecting the pressure of the gas pipeline, and the controller is connected with the purging gas electric valve.
2. The gas pipeline purging system as claimed in claim 1, wherein the controller is configured to control the opening and closing of the purge gas electric valve according to the pressure detected by the pressure detecting device.
3. The gas pipeline purging system of claim 1, further comprising a purge gas manual valve disposed on the purge gas pipe.
4. The gas pipeline purging system as claimed in claim 3, wherein the purge gas manual valve and the purge gas electric valve cooperate to control the conductance and closure of the purge gas pipe.
5. The gas line purging system of claim 1, further comprising a gas purge valve disposed on the gas purge tube.
6. The gas line purging system of claim 5, wherein the gas purge valve is configured to control the conductance and the closure of the gas purge line.
7. The gas line purging system of claim 1, wherein the blow-off line comprises a gas blow-off tube and a gas blow-off valve, the gas blow-off tube being in communication with the gas line, the gas blow-off valve being located on the gas blow-off tube.
8. The gas line purging system of claim 7, wherein said gas bleed valve is configured to control the conductance and closure of said gas bleed tube.
9. The gas line purging system of claim 1, wherein the pressure detection device is a pressure gauge.
10. The gas line purging system of claim 1, wherein the connection hose is a metal hose.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202022466376.5U CN214119686U (en) | 2020-10-30 | 2020-10-30 | Gas pipeline purging system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202022466376.5U CN214119686U (en) | 2020-10-30 | 2020-10-30 | Gas pipeline purging system |
Publications (1)
Publication Number | Publication Date |
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CN214119686U true CN214119686U (en) | 2021-09-03 |
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CN202022466376.5U Active CN214119686U (en) | 2020-10-30 | 2020-10-30 | Gas pipeline purging system |
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CN (1) | CN214119686U (en) |
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2020
- 2020-10-30 CN CN202022466376.5U patent/CN214119686U/en active Active
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