CN204083811U - A fixed release device for an underground valve chamber - Google Patents

Abstract

The utility model discloses a fixed device that diffuses of underground valve room, including gas pipeline, ball valve, first valve, the ground device that diffuses, still include second valve and the metal collapsible tube of diffusing, first valve and the second valve setting of diffusing are at the both ends of ball valve, the metal collapsible tube is diffused valve and ground respectively and is diffused the device and link to each other with the second, the ground device of diffusing is by diffusing the pipe, diffuse the gas outlet, diffuse the branch pipe, diffuse the gas outlet, prevent that the earth connection of static constitutes, it diffuses control flap to set up ground on the pipe to diffuse, it detects a control flap to set up ground on the branch pipe to diffuse. The design one kind will diffuse the pipe and be fixed in subaerial, the fixed mode of diffusing of valve is diffused in the connection downwards, need not all install and dismantle the pipe of diffusing in the operation of diffusing at every turn, simplified the operation process of diffusing the operation, reduced misoperation's possibility.

Description

A fixed release device for an underground valve chamber

technical field

The utility model belongs to the field of gas pipeline equipment, and in particular relates to an underground valve chamber fixing and releasing device.

Background technique

The release valve is mainly used in the gate station and regional station of the natural gas pipeline. Its main function is to release the abnormally fluctuating pressure in the pipeline directly to the atmosphere to ensure the normal pressure of the pipeline and protect the main safety valve from tripping. The existing underground valve room release method is generally as follows: the staff goes down into the valve well, connects the hose to the release valve, extends the release pipe out of the valve well, checks the air tightness, opens the valve, ignites and releases the gas, and after the release is completed Close the valve and disassemble the release pipe.

At present, the following hidden dangers exist in the discharge operation in the valve well or in the valve chamber: (1) The connection mode of the underground valve well discharge pipe is rubber hose or ordinary steel pipe, the connection method and standard are not uniform, and the operation is random; (2) The operator During the dispersal operation, it is necessary to go down to the well frequently for operation; (3) Different evacuation pipes have different calibers, and the operator must bring connecting pipes with different calibers when performing evacuation. Simultaneously, it is troublesome to install the relief valve, and it needs to be disassembled after the relief is completed, which increases the workload of the operators.

Utility model content

Aiming at the above-mentioned technical problems, the utility model provides a fixed release device for an underground valve chamber, in order to solve the problem that the existing gas release device needs to be installed in a well, and the installation process is cumbersome. , The fixed release method of connecting the release valve downward, does not need to install and disassemble the release pipe every time the release operation is performed, which simplifies the operation process of the release operation and reduces the possibility of operating errors.

A fixed relief device for an underground valve room, including a gas pipeline, a ball valve, a first relief valve, a ground relief device, and a second relief valve and a metal hose, the first relief valve and the second relief valve are arranged on the ball valve At both ends, the metal hose is respectively connected to the second release valve and the ground release device. The ground release device is composed of a release pipe, a release air outlet, a discharge branch pipe, and an anti-static grounding wire. The release pipe is provided with a ground The release control valve is provided with a ground detection port control valve on the release branch pipe.

Further, the release pipe and the metal hose are connected through a first flange and fixed on the ground.

Further, the metal hose is connected to the second relief valve through a second flange.

Further, the ground wire is fixed on the ground through the third flange.

The utility model connects the second release valve underground with a metal hose, and then fixes the release pipe on the ground to form a fixed release device. When in use, it only needs to open the release valve and the ground release control valve to carry out the operation. The release operation is simple and fast; the release pipe is equipped with a release branch pipe, which can be used to connect the detection device to detect the composition of the gas or connect the pressure gauge to measure the pressure. These tasks can be carried out on the ground, which reduces the difficulty of operation and avoids gas leakage in the valve well Danger to workers. The ground wire on the release pipe can play the role of anti-static, guide the static electricity to the ground, and play the role of explosion-proof.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description These are only some embodiments of the utility model, and those skilled in the art can also obtain other drawings based on these drawings without creative work.

Figure 1 is a schematic structural view of a fixed and diffuse device for an underground valve chamber.

Detailed ways

The utility model discloses a fixed release device for an underground valve room, which solves the problem that the existing gas release device needs to be installed in a well and is troublesome in the installation process, simplifies the operation process of the release operation, and reduces the possibility of operation errors. Other test functions reduce the working time of operators in the valve well, improve efficiency and reduce danger.

The technical solution in the utility model will be clearly and completely described below in conjunction with the accompanying drawings in the utility model. Obviously, what is described is only a part of the embodiments of the utility model, not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Referring to Figure 1, a fixed release device for an underground valve chamber includes a gas pipeline 1, a ball valve 2, a first release valve 3, a ground release device, a second release valve 4 and a metal hose 6, forming a The fixed release device only needs to open the second release valve 4 and the ground release control valve 71 to carry out the release operation during use, which is simple and fast. The first relief valve 3 and the second relief valve 4 are arranged at both ends of the ball valve 2, and the metal hose 6 is connected with the second relief valve 4 and the ground relief device respectively, and the ground relief device consists of a relief pipe 7, The release air outlet 72, the release branch pipe 8, and the antistatic grounding wire 10 are composed of a ground release control valve 71 on the release pipe 7, a ground detection port control valve 81 on the release branch pipe 8, and a release branch pipe on the release pipe. 8. It can be used to connect the detection device to detect the composition of the gas or connect the pressure gauge to measure the pressure. These tasks can be carried out on the ground, which reduces the difficulty of operation and avoids the danger to the operators caused by the gas leakage of the valve well. The release pipe 7 and the metal hose 6 are connected through the first flange 9 and fixed on the ground. The metal hose 6 is connected to the second relief valve 4 through the second flange 5 . The ground wire 10 is fixed on the ground through the third flange 11, and the ground wire 10 can play the role of anti-static, guide static electricity to the ground, and play the role of explosion-proof.

When carrying out the release operation, the operator goes down to the valve well, opens the second release valve 4, and then returns to the ground. If a gas test or pressure measurement is required, connect the corresponding instrument through the release branch pipe 8, and open the ground detection port control valve 81 Test, if not, then open the ground release control valve 71, ignite the gas and start to disperse, after the disperse is completed, go down to the valve well and close the second release valve 4.

It can be seen from the above description that the utility model has the advantages of changing the traditional operation that operators need to install a release pipe every time they release, and the operation is simplified by setting a fixed release pipe, and the operator only needs to open and close the valve. To realize the release, the test function is added, which can carry out gas test and pressure measurement. At the same time, an explosion-proof device is set to make the device safer.

The above content is a further detailed description of the utility model in combination with specific preferred embodiments, and it cannot be assumed that the specific implementation of the utility model is only limited to these descriptions. For a person of ordinary skill in the technical field to which the utility model belongs, without departing from the concept of the utility model, some simple deduction or substitutions can also be made, which should be regarded as belonging to the protection scope of the utility model.

Claims (4)

1. A fixed release device for an underground valve room, comprising a gas pipeline, a ball valve, a first release valve, and a ground release device, characterized in that it also includes a second release valve and a metal hose, the first release valve and the second release valve The release valve is arranged at both ends of the ball valve, and the metal hose is respectively connected with the second release valve and the ground release device. A ground release control valve is set on the release pipe, and a ground detection port control valve is set on the release branch pipe. 2 . The underground valve room fixed release device according to claim 1 , wherein the release pipe and the metal hose are connected by a first flange and fixed on the ground. 3 . 3 . The underground valve chamber fixing relief device according to claim 1 , wherein the metal hose is connected to the second relief valve through a second flange. 4 . 4. The underground valve room fixing and releasing device according to claim 1, wherein the grounding wire is fixed on the ground through a third flange.