CN216207291U

CN216207291U - Combustible gas monitoring device for coal bed gas

Info

Publication number: CN216207291U
Application number: CN202122757503.1U
Authority: CN
Inventors: 赵跃; 王楠; 孙潇逸; 冯延青; 温建; 朱学光
Original assignee: China United Coalbed Methane National Engineering Research Center Corp Ltd
Current assignee: Petrochina Co Ltd; China United Coalbed Methane National Engineering Research Center Corp Ltd; Petrochina Coalbed Methane Co Ltd
Priority date: 2021-11-11
Filing date: 2021-11-11
Publication date: 2022-04-05
Anticipated expiration: 2031-11-11

Abstract

The utility model discloses a combustible gas monitoring device for coal bed gas, which comprises a workbench, a detection device and a regulation and control device, and is characterized in that the detection device is arranged on the upper end surface of the workbench, and the regulation and control device is arranged on the lower end surface of the workbench; during operation, regulation and control device can highly adjust detection device to can detect the coal bed gas pipeline under various height, when detection device during operation, if take place the coal bed gas and leak, then can send out the police dispatch newspaper.

Description

Combustible gas monitoring device for coal bed gas

Technical Field

The utility model relates to a gas monitoring device, in particular to a combustible gas monitoring device for coal bed gas.

Background

The coal bed gas is a gas resource associated with coal and symbiotic with the coal, refers to hydrocarbon gas stored in a coal bed, takes methane as a main component, and belongs to unconventional natural gas. The coal bed gas mainly adsorbs the surfaces of coal matrix particles, and part of the hydrocarbon gas is dissociated in coal pores or dissolved in coal bed water, is an associated mineral resource of coal, and is a clean and high-quality energy and chemical raw material which rises internationally in nearly twenty years. Coal bed gas is commonly called as 'gas'.

When the coal bed gas is transported, the coal bed gas pipeline needs to be detected, but the current coal bed gas detection device cannot repeatedly detect, so that errors may occur in detection, open fire may occur due to coal bed gas leakage, and the common coal bed gas detection device cannot rapidly extinguish fire

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a combustible gas monitoring device for coal bed gas, which comprises a workbench, a detection device and a regulation and control device;

the detection device comprises a fixed clamping seat, a control motor, a control screw rod, a control slide block, a fixed plate, a gas detector and an alarm, wherein the fixed clamping seat is symmetrically arranged at the front and back of the upper part of a workbench and is formed by clamping two semicircular fixed plates, the left and right of the upper end surface of the workbench are symmetrically provided with control slide grooves, the control slide blocks in sliding fit with the control slide grooves are arranged in the control slide grooves, the control slide blocks are connected with the lower end surface of the fixed clamping seat through detection round rods, the upper end surface of the workbench is provided with a motor seat, the control motor is embedded in the motor seat, the output end of the control motor is provided with the control screw rod, the control screw rod is divided into two parts, the front part and the rear part of the control screw rod are opposite in thread direction, the fixed clamping seat is screwed on the control screw rod, the rear part of the upper end surface of the workbench is provided with the fixed plate, one end of the control screw rod, which is far away from the control motor, is arranged on the front end surface of the fixed plate through a bearing, a clamping seat groove is formed in the bottom in the fixed clamping seat, a gas detector is installed in the clamping seat groove, and an alarm is installed at the right side end of the gas detector.

Preferably: the regulation and control device includes the U-shaped board, fixing spring, regulate and control the slider, detect inserted block and regulation and control spring, the U-shaped board is located the workstation, terminal surface bilateral symmetry installs the regulation and control spring under the workstation, one side that the workstation was kept away from to the regulation and control spring is installed at U-shaped inboard up end, the standing groove has been seted up to workstation up terminal surface bilateral symmetry, fixing spring is installed to the medial extremity in the standing groove, fixing spring keeps away from one side of detection device and installs the regulation and control slider, regulation and control slider outside end is installed and is detected the inserted block, set up along vertical direction on the lateral wall of left side in the U-shaped board with it complex detection slot.

Preferably: a plurality of balls are arranged in the fixed clamping seat along the circumferential direction of the fixed clamping seat.

Preferably: and rollers are arranged on the lower end surface of the U-shaped plate close to the four corners.

Preferably; the left and right symmetry of the upper end surface of the workbench is provided with a placing box, and dry powder is placed in the placing box.

Preferably: the fixed clamping seat is connected with the workbench in a sliding fit mode.

The utility model has the technical effects and advantages that:

1. according to the utility model, the control lead screws with the threads of the two parts being opposite are adopted, so that the detection device can repeatedly detect whether the coal bed gas leaks or not, the accuracy of the device is improved, safety accidents are greatly avoided, meanwhile, the detection efficiency is improved by adopting a plurality of detection devices, and dry ice is also provided, so that the fire can be quickly extinguished when the open fire occurs due to the coal bed gas leakage.

2. According to the utility model, the position of the detection device can be adjusted by adopting the regulation and control device, so that the detection device can adapt to various operating environments, and the labor force is greatly reduced by adopting a roller mode for moving.

Drawings

Fig. 1 is a front view of a combustible gas monitoring device for coal bed methane provided in embodiment 1 of the present application;

FIG. 2 is a top view of a combustible gas monitoring device for coal bed methane provided in example 1 of the present application;

fig. 3 is a cross-sectional top view of a device of a combustible gas monitoring device for coal bed methane provided in embodiment 1 of the present application.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments. The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the utility model in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the utility model and the practical application, and to enable others of ordinary skill in the art to understand the utility model for various embodiments with various modifications as are suited to the particular use contemplated.

Example 1

Referring to fig. 1 to 3, in the present embodiment, a combustible gas monitoring device for coal bed methane is provided, including a workbench 1, a detection device 2, and a regulation and control device 3, where the detection device 2 is installed on an upper end surface of the workbench 1, and the regulation and control device 3 is installed on a lower end surface of the workbench 1; during operation, regulation and control device 3 can highly adjust detection device 2 to can detect the coal bed gas pipeline under the various height, when detection device 2 during operation, if take place the coal bed gas and leak, then can send out the police dispatch newspaper.

The regulation and control device 3 comprises a U-shaped plate 31, a fixed spring 32, a regulation and control slide block 33, a detection insert block 34 and a regulation and control spring 35, the U-shaped plate 31 is positioned in the workbench 1, the regulation and control spring 35 is symmetrically arranged on the left and right of the lower end surface of the workbench 1, one side of the regulation and control spring 35 far away from the workbench 1 is arranged on the upper end surface in the U-shaped plate 31, a placement groove is symmetrically arranged on the left and right of the upper end surface of the workbench 1, the fixed spring 32 is arranged on the inner side end in the placement groove, the regulation and control slide block 33 is arranged on one side of the fixed spring 32 far away from the detection device 2, the detection insert block 34 is arranged on the outer side end of the regulation and control slide block 33, a detection insert groove matched with the regulation and control slide block is arranged on the left side wall in the U-shaped plate 31 along the vertical direction, when the height of the detection device 2 needs to be regulated, the regulation and control slide block 33 moves towards the inner side end, the fixed spring 32 compresses, and regulates the height of the detection device 2 through the regulation and control spring, after reaching the required height, loosen regulation and control slider 33, detect in the inserted block 34 inserts the detection slot to fix workstation 1, improved the stability and the practicality of device.

The gyro wheel 311 is installed near four corners to the terminal surface under the U-shaped board 31, adopts the gyro wheel 311 structure, can promote detection device 2, can detect whole coal bed gas pipeline, has saved the labour greatly.

The detection device 2 comprises a fixed clamping seat 21, a control motor 22, a control lead screw 23, a control slide block 24, a fixing plate 25, a gas detector 26 and an alarm 27, wherein the fixed clamping seat 21 is symmetrically arranged in front and back above the workbench 1, the fixed clamping seat 21 is formed by clamping and connecting two semicircular fixing plates, control slide grooves are symmetrically formed in the left and right of the upper end surface of the workbench 1, the control slide block 24 in sliding fit with the control slide grooves is arranged in the control slide grooves, the control slide block 24 is connected with the lower end surface of the fixed clamping seat 21 through a detection round rod, a motor seat is arranged on the upper end surface of the workbench 1, the control motor 22 is embedded in the motor seat, the control lead screw 23 is arranged at the output end of the control motor 22, the control lead screw 23 is divided into two parts, the front part and the back part of the control lead screw 23 are opposite in thread direction, the fixed clamping seat 21 is screwed on the control lead screw 23, the fixing plate 25 is arranged at the back part of the upper end surface of the workbench 1, one end surface of the control lead screw 23 far away from the control motor 22 is arranged on the front end surface of the fixing plate 25 through a bearing, the cassette groove has been seted up to the bottom in the fixed cassette 21, gas detector 26 is installed to the cassette inslot, siren 27 is installed to gas detector 26 right side end, in operation, fixed cassette 21 carries out the joint to the coal bed gas pipeline, start control motor 22 after that, control motor 22 drives control lead screw 23 and takes place to rotate, control lead screw 23 drives fixed cassette 21 back-and-forth movement repeatedly, thereby can carry out a lot of detections to the coal bed gas pipeline, when gas detector 26 discovers the coal bed gas and leaks, siren 27 connected with it sends out the police dispatch newspaper.

A plurality of balls 211 are installed in the fixed clamping seat 21 along the circumferential direction of the fixed clamping seat, and the structure of the balls 211 is adopted, so that the friction between the coal bed gas pipelines is reduced when the coal bed gas pipelines move in the fixed clamping seat 21, and the device is protected.

The fixed clamping seat 21 is connected with the workbench 1 in a sliding fit mode, so that when the fixed clamping seat moves left, the moving stability of the fixed clamping seat is ensured, and the practicability of the device is improved.

The left and right symmetry of the upper end face of the workbench 1 is provided with the placing boxes 11, dry powder is placed in the placing boxes 11, when a fire occurs suddenly and accidentally, the dry ice can be used rapidly to extinguish the fire, and potential safety hazards are avoided.

When the device is in specific work, when the height of the detection device 2 needs to be adjusted, the extrusion regulation slide block 33 moves towards the inner side end, the fixed spring 32 is compressed, the height of the detection device 2 is adjusted through the adjustment spring, when the required height is reached, the regulation slide block 33 is loosened, the detection insert block 34 is inserted into the detection slot, so that the workbench 1 is fixed, the stability and the practicability of the device are improved, when the device is in work, the fixed clamp seat 21 is clamped on a coal bed gas pipeline, then the control motor 22 is started, the control motor 22 drives the control screw 23 to rotate, the control screw 23 drives the fixed clamp seat 21 to repeatedly move back and forth, so that the coal bed gas pipeline can be detected for multiple times, when the gas detector 26 finds that the coal bed gas leaks, the alarm 27 connected with the gas detector gives an alarm, the ball 211 structure is adopted, so that the friction between the coal bed gas pipeline and the fixed clamp seat 21 is reduced when the coal bed gas pipeline moves in the fixed clamp seat 21, the device has been protected, when unexpected the catching fire of proruption, can use the dry ice to put out a fire fast, avoid causing the potential safety hazard to adopted the gyro wheel 311 structure, can promote detection device 2, thereby detect whole coal bed gas pipeline, saved the labour greatly.

It is to be understood that the described embodiments are merely a few embodiments of the utility model, and not all embodiments. All other embodiments, which can be derived by one of ordinary skill in the art and related arts based on the embodiments of the present invention without any creative effort, shall fall within the protection scope of the present invention. Structures, devices, and methods of operation not specifically described or illustrated herein are generally practiced in the art without specific recitation or limitation.

Claims

1. A combustible gas monitoring device for coal bed gas comprises a workbench (1), a detection device (2) and a regulation and control device (3), and is characterized in that the detection device (2) is installed on the upper end face of the workbench (1), and the regulation and control device (3) is installed on the lower end face of the workbench (1);

the detection device (2) comprises a fixed clamping seat (21), a control motor (22), a control lead screw (23), a control slide block (24), a fixing plate (25), a gas detector (26) and an alarm (27), wherein the fixed clamping seat (21) is symmetrically arranged in front and back above the workbench (1), the fixed clamping seat (21) is formed by clamping and connecting two semicircular fixing plates, control sliding chutes are symmetrically formed in the left and right of the upper end surface of the workbench (1), the control slide block (24) in sliding fit with the control sliding chutes is installed in the control sliding chutes, the control slide block (24) is connected with the lower end surface of the fixed clamping seat (21) through a detection round rod, a motor seat is installed on the upper end surface of the workbench (1), the control motor (22) is embedded in the motor seat, the control lead screw (23) is installed at the output end of the control motor (22), the control lead screw (23) is divided into two parts, the front and back parts of the control lead screw (23) are opposite in thread direction, fixed cassette (21) spiro union is on control lead screw (23), and fixed plate (25) are installed to part behind the workstation (1) up end, and control lead screw (23) are kept away from the one end of control motor (22) and are passed through the bearing and install terminal surface before fixed plate (25), and the cassette groove has been seted up to fixed cassette (21) bottom in, and gas detector (26) are installed to the cassette inslot, and siren (27) are installed to gas detector (26) right side end.

2. The combustible gas monitoring device for coal bed methane according to claim 1, regulation and control device (3) are including U-shaped board (31), fixed spring (32), regulation and control slider (33), detect inserted block (34) and regulation and control spring (35), U-shaped board (31) are located workstation (1), terminal surface bilateral symmetry installs regulation and control spring (35) under workstation (1), the up end is installed in U-shaped board (31) in one side that workstation (1) were kept away from in regulation and control spring (35), workstation (1) up end bilateral symmetry has seted up the standing groove, fixed spring (32) are installed to the medial extremity in the standing groove, fixed spring (32) are kept away from one side of detection device (2) and are installed regulation and control slider (33), regulation and control slider (33) outside end is installed and is detected inserted block (34), set up along vertical direction on the lateral wall of U-shaped board (31) interior left side with it complex detection slot.

3. A combustible gas monitoring device for coal bed methane according to claim 1, wherein a plurality of balls (211) are installed in the fixed cartridge (21) along a circumferential direction thereof.

4. A combustible gas monitoring device for coal bed methane according to claim 2, wherein the lower end surface of the U-shaped plate (31) is provided with rollers (311) near four corners.

5. The combustible gas monitoring device for coal bed methane according to claim 1, wherein the upper end surface of the workbench (1) is symmetrically provided with a placing box (11), and dry powder is placed in the placing box (11).

6. The device for monitoring the combustible gas of the coal bed methane according to the claim 1, wherein the fixed clamping seat (21) is connected with the workbench (1) in a sliding fit manner.