CN214119686U - Gas pipeline purging system - Google Patents

Gas pipeline purging system Download PDF

Info

Publication number
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
Authority
CN
China
Prior art keywords
gas
purge
pipe
pipeline
purging
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202022466376.5U
Other languages
Chinese (zh)
Inventor
陈小平
张建锋
余永江
刘立新
朱能闯
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China City Environment Protection Engineering Ltd
Original Assignee
China City Environment Protection Engineering Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by China City Environment Protection Engineering Ltd filed Critical China City Environment Protection Engineering Ltd
Priority to CN202022466376.5U priority Critical patent/CN214119686U/en
Application granted granted Critical
Publication of CN214119686U publication Critical patent/CN214119686U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Pipeline Systems (AREA)

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

Gas pipeline purging system
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.
CN202022466376.5U 2020-10-30 2020-10-30 Gas pipeline purging system Active CN214119686U (en)

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
CN214119686U true CN214119686U (en) 2021-09-03

Family

ID=77501222

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202022466376.5U Active CN214119686U (en) 2020-10-30 2020-10-30 Gas pipeline purging system

Country Status (1)

Country Link
CN (1) CN214119686U (en)

Similar Documents

Publication Publication Date Title
CN214119686U (en) Gas pipeline purging system
CN108730752B (en) Supercritical carbon dioxide low-pressure storage tank device capable of preventing phase change and low pressure loss and control method
CN203284418U (en) Movable leakage detection device for blast furnace cooling stave
CN215636558U (en) Gas isolating device
CN211574774U (en) Automatic gas purging device
CN209927761U (en) Online real-time detection device for hydrocarbon dew point of gas pipeline
CN209841751U (en) Online real-time detection device for water dew point of gas pipeline
CN211234880U (en) Detection apparatus for pressure vessel relief valve
CN109406046B (en) Monitoring and alarming method for pressure drop rate of main pipeline in gas transmission pipeline head station
CN114151732A (en) Natural gas compression system, dry gas sealing device and control method thereof
CN109611396B (en) Automatic oil supply switching hydraulic system and method for large-ladle sliding gate hydraulic cylinder
CN208171591U (en) A kind of safety valve inspection dedicated unit
CN112611514A (en) Liquefied natural gas carrier low temperature pipeline tightness test device
CN112611525A (en) Tightness test method for low-temperature pipeline of liquefied natural gas carrier
CN113653949A (en) Parameter identification method for preventing valve chamber from being mistakenly shut off when oil pipeline stops delivering oil
CN212537512U (en) Ultrahigh pressure self-operated pressure regulating test system
CN220304780U (en) Leakage checking system for gas cylinder
CN213516326U (en) Valve off-line pressure test tool
CN221004740U (en) Natural gas pipeline broken pipe protection system with pressure drop rate detection device
CN216345435U (en) Natural gas compression system and dry gas sealing device
CN218762704U (en) Purging replacement panel
CN210978964U (en) Oil product replacement system for blocking under pressure
CN220623677U (en) Filling pipe cutting device and liquid hydrogen filling pipe system
CN210956184U (en) Two-loop cooling system
CN208456555U (en) Well safety valve control cabinet hydraulic fittings detection device

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant