CN213517122U

CN213517122U - Gas monitoring device for detecting coal bed gas

Info

Publication number: CN213517122U
Application number: CN202022684869.6U
Authority: CN
Inventors: 李友谊; 宋新亚; 于振锋; 常凌霄
Original assignee: Shanxi Lanyan Coalbed Methane Research Co ltd
Current assignee: Shanxi Lanyan Coalbed Methane Research Co ltd
Priority date: 2020-11-19
Filing date: 2020-11-19
Publication date: 2021-06-22
Anticipated expiration: 2030-11-19

Abstract

The utility model discloses a gas monitoring device for detecting coal bed gas, including the monitoring case, monitoring case one side outer wall is installed gaseous test probe, and gaseous test probe is connected with gaseous detector through the wire, gaseous detector is connected with the alarm through the wire, and the alarm is connected with wireless transmitter through the wire, monitoring roof portion outer wall welding has T type backup pad, and T type backup pad top outer wall connection has the damping spring that the equidistance distributes, damping spring keeps away from the one end of T type backup pad and is connected with the arc. The utility model discloses a mutually support between gaseous test probe, gas detection ware, alarm and the wireless transmitter, realize the gas strength real-time supervision to in the coal bed gas, be connected through arc and damping spring and can play the effect of protection to the monitoring case, through sliding tray and piston rod interconnect, open certain shock attenuation effect, be favorable to improving the stability that the device removed.

Description

Gas monitoring device for detecting coal bed gas

Technical Field

The utility model relates to a gas monitoring technology field especially relates to a gas monitoring device for detecting 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. The coal bed gas is commonly called as 'gas', the heat value is 1-4 times higher than that of general coal, the heat value of 1 cubic meter of pure coal bed gas is equivalent to 1.13kg of gasoline and 1.21kg of standard coal, the heat value of the coal bed gas is equivalent to that of natural gas, the coal bed gas can be mixed with the natural gas for transportation and use, the coal bed gas is clean after combustion, almost no waste gas is generated during combustion, and the coal bed gas is a superior industrial, chemical, power generation and resident life fuel. When open fire is inadvertently generated in an environment with low gas concentration, fire is extinguished in the first time, and attention needs to be paid to the fact that ores falling in a mine hole easily smash and damage the device.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a gas monitoring device for detecting coal bed gas.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a gas monitoring device for detecting coal bed gas comprises a monitoring box, wherein a gas detection probe is installed on the outer wall of one side of the monitoring box, the gas detection probe is connected with a gas detector through a lead, the gas detector is connected with an alarm through a lead, the alarm is connected with a wireless transmitter through a lead, a T-shaped supporting plate is welded on the outer wall of the top of the monitoring box, damping springs distributed at equal intervals are connected on the outer wall of the top of the T-shaped supporting plate, an arc-shaped plate is connected at one end, away from the T-shaped supporting plate, of each damping spring, a dry powder box is connected on the outer wall of the bottom of the monitoring box, a vacuum pump is fixedly connected on the inner wall of the bottom of the dry powder box through bolts, a spray head is connected on the vacuum pump through a pipeline, a bottom plate is placed on the outer, and the bottom of the inner wall of the sliding groove is inserted with a connecting pipe.

Preferably, the outer wall of one side of the dry powder box is welded with an annular clamping plate, and the annular clamping plate and the pipeline are in interference fit.

Preferably, the inner wall of the dry powder box is provided with a breathable bag, and the inner wall of the breathable bag is filled with dry powder.

Preferably, the outer wall of the bottom of the sliding groove is welded with a supporting plate, and the outer wall of the bottom of the supporting plate is welded with a universal wheel with a self-locking function.

Preferably, the wireless transmitter transmits to the remote control terminal through an electric signal.

Preferably, the bottom of the outer wall of the other side of the dry powder box is provided with air holes, and the top of the inner wall of the sliding groove is welded with symmetrically distributed fixing blocks.

The utility model has the advantages that:

1. according to the gas monitoring device for detecting the coal bed gas, the gas detection probe, the gas detector, the alarm and the wireless transmitter are matched with each other, so that the gas concentration in the coal bed gas is monitored in real time, and the monitoring box can be protected by connecting the arc-shaped plate and the damping spring;

2. this gas monitoring device for detecting coal bed gas of design through sliding tray and piston rod interconnect, opens certain shock attenuation effect, is favorable to improving the stability that the device removed, and when the naked light takes place carelessly simultaneously, takes out the timely open fire of putting out of dry powder through the vacuum pump, reduces the probability of gas explosion, is favorable to improving staff's factor of safety.

Drawings

Fig. 1 is a cross-sectional view of an overall structure of a gas monitoring device for detecting coal bed methane according to the present invention;

fig. 2 is an enlarged view of a partial structure of a gas monitoring device for detecting coal bed methane according to the present invention;

fig. 3 is the utility model provides an annular clamping plate structure schematic diagram for detecting gas monitoring device of coal bed gas.

In the figure: the device comprises a monitoring box 1, a gas detection probe 2, a gas detector 3, an alarm 4, a wireless transmitter 5, a 6T-shaped supporting plate, a damping spring 7, an arc-shaped plate 8, a dry powder box 9, a breathable bag 10, dry powder 11, a vacuum pump 12, a spray head 13, an annular clamping plate 14, a bottom plate 15, a piston rod 16, a sliding groove 17, a connecting pipe 18 and a fixing block 19.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, a gas monitoring device for detecting coal bed gas comprises a monitoring box 1, a gas detection probe 2 is installed on the outer wall of one side of the monitoring box 1, the gas detection probe 2 is connected with a gas detector 3 through a wire, the gas detector 3 is connected with an alarm 4 through a wire, the alarm 4 is connected with a wireless transmitter 5 through a wire, the wireless transmitter 5 transmits electric signals to a remote control terminal, a T-shaped supporting plate 6 is welded on the outer wall of the top of the monitoring box 1, the outer wall of the top of the T-shaped supporting plate 6 is connected with damping springs 7 distributed at equal intervals, one ends of the damping springs, far away from the T-shaped supporting plate 6, are connected with an arc-shaped plate 8, and the gas concentration in the coal bed gas is monitored in real time through mutual cooperation among the gas detection probe 2, the gas detector 3, the monitoring box 1 can be protected by connecting the arc-shaped plate 8 with the damping spring 7;

the outer wall of the bottom of the monitoring box 1 is connected with a dry powder box 9, the inner wall of the bottom of the dry powder box 9 is fixedly connected with a vacuum pump 12 through bolts, the inner wall of the dry powder box 9 is provided with a ventilation bag 10, the inner wall of the ventilation bag 10 is filled with dry powder 11, the vacuum pump 12 is connected with a spray head 13 through a pipeline, the outer wall of one side of the dry powder box 9 is welded with an annular clamping plate 14, the annular clamping plate 14 and the pipeline are in interference fit, the outer wall of the bottom of the dry powder box 9 is provided with a bottom plate 15, the outer wall of the bottom plate 15 is welded with symmetrically distributed piston rods 16, the outer wall of the piston rod 16 is connected with a sliding groove 17 in a sliding manner, the bottom of the inner wall of the sliding groove 17 is inserted with a connecting pipe 18, the sliding groove 17 is connected with the piston rod 16, a certain shock absorption effect is achieved, the probability of gas explosion is reduced, and the safety factor of workers is improved;

the outer wall welding of sliding tray 17 bottom has the backup pad, and backup pad bottom outer wall welding has self-locking function's universal wheel, the bleeder vent has been seted up to dry powder case 9 opposite side outer wall bottom, and sliding tray 17 inner wall top welding has the fixed block 19 of symmetric distribution.

The working principle is as follows: install gaseous test probe 2 in proper order on the detection case, gas detector 3 and alarm 4, data transmission through wireless transmitter 5 with gas is to the remote control terminal on, when the rock condition takes place at the mine cave top, install the arc 8 on damping spring 7 and can support and keep out the harm of rock fall, when the staff carelessly takes place the naked light in the gas environment of low concentration work, because gas concentration is less than 5% time, gas meets the fire and does not explode, so can take out the timely open fire of putting out of dry powder 11 through vacuum pump 12, when the road surface is uneven at ordinary times simultaneously, mobile device can take place to jolt, realize the shock attenuation through the interconnect between sliding tray 17 and the piston rod 16.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A gas monitoring device for detecting coal bed gas comprises a monitoring box (1) and is characterized in that a gas detection probe (2) is installed on the outer wall of one side of the monitoring box (1), the gas detection probe (2) is connected with a gas detector (3) through a lead, the gas detector (3) is connected with an alarm (4) through a lead, the alarm (4) is connected with a wireless transmitter (5) through a lead, a T-shaped supporting plate (6) is welded on the outer wall of the top of the monitoring box (1), damping springs (7) distributed equidistantly are connected on the outer wall of the top of the T-shaped supporting plate (6), an arc plate (8) is connected at one end of each damping spring, which is far away from the T-shaped supporting plate (6), a dry powder box (9) is connected on the outer wall of the bottom of the monitoring box (1), and a vacuum pump (12) is fixedly connected, the dry powder box is characterized in that the vacuum pump (12) is connected with a spray head (13) through a pipeline, a bottom plate (15) is placed on the outer wall of the bottom of the dry powder box (9), symmetrically distributed piston rods (16) are welded on the outer wall of the bottom plate (15), the outer wall of each piston rod (16) is connected with a sliding groove (17) in a sliding mode, and a connecting pipe (18) is inserted into the bottom of the inner wall of each sliding groove (.

2. The gas monitoring device for detecting coal bed methane according to claim 1, wherein an annular clamping plate (14) is welded on the outer wall of one side of the dry powder box (9), and the annular clamping plate (14) is in interference fit with a pipeline.

3. The gas monitoring device for detecting coal bed gas according to claim 1, characterized in that the inner wall of the dry powder box (9) is provided with a gas-permeable bag (10), and the inner wall of the gas-permeable bag (10) is filled with dry powder (11).

4. The gas monitoring device for detecting coal bed gas according to claim 1, wherein a support plate is welded on the outer wall of the bottom of the sliding groove (17), and a universal wheel with a self-locking function is welded on the outer wall of the bottom of the support plate.

5. A gas monitoring device for detecting coal bed methane according to claim 1, wherein the wireless transmitter (5) is transmitted to a remote control terminal through an electric signal.

6. The gas monitoring device for detecting coalbed methane according to claim 1, wherein air holes are formed in the bottom of the outer wall of the other side of the dry powder box (9), and fixing blocks (19) which are symmetrically distributed are welded on the top of the inner wall of the sliding groove (17).