CN210323005U - Coal bed gas combustible gas monitoring devices - Google Patents
Coal bed gas combustible gas monitoring devices Download PDFInfo
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- CN210323005U CN210323005U CN201921206898.2U CN201921206898U CN210323005U CN 210323005 U CN210323005 U CN 210323005U CN 201921206898 U CN201921206898 U CN 201921206898U CN 210323005 U CN210323005 U CN 210323005U
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Abstract
A coal bed gas combustible gas monitoring device comprises a monitoring device body, a connecting box, a combustible gas monitoring instrument and an air pumping mechanism; the grid plate is horizontally arranged in the connecting box and divides the connecting box into an upper part and a lower part, the upper part corresponds to the air inlet, and the lower part corresponds to the air outlet; the combustible gas monitoring instrument and the fan are arranged on the grid plate; the air exhaust mechanism is arranged in the monitoring device body, an air inlet pipe is arranged at the input end, and an exhaust pipe is arranged at the output end; the first connecting piece is arranged on the monitoring device body, the second connecting piece is connected with the first connecting piece and the third connecting piece, and the third connecting piece is connected with the air inlet pipe; the air exhaust cover is arranged on the first connecting piece; the alarm is in communication connection with the combustible gas monitoring instrument. The utility model is simple in operation, conveniently carry, use and control, can monitor coal bed gas combustible gas to can also in time effectually take out combustible gas in order to reduce coal bed gas combustible gas concentration, the security is splendid.
Description
Technical Field
The utility model relates to a coal bed gas combustible gas monitors technical field, especially relates to a coal bed gas combustible gas monitoring devices.
Background
Coal bed gas is commonly called as 'gas', is hydrocarbon gas which is stored in a coal bed, takes methane as a main component, is adsorbed on the surface of coal matrix particles as a main component, is partially dissociated in coal pores or dissolved in coal bed water, is associated mineral resources of coal, belongs to unconventional natural gas, is clean and high-quality energy and chemical raw materials which grow up internationally in recent years, has the same heat value as natural gas, can be mixed with natural gas for transportation and use, is clean after combustion, hardly generates any waste gas, and is superior industrial, chemical, power generation and resident life fuel;
the combustible gas concentration is greater than a definite value and causes the explosion easily and brings the incident when coal bed gas exploitation environment, consequently need monitor combustible gas through relevant monitoring devices, but current coal bed gas combustible gas monitoring devices operation is complicated, and inconvenient carrying, use and control, the result of use is not good, awaits improving.
Disclosure of Invention
Objects of the invention
For solving the technical problem that exists among the background art, the utility model provides a coal bed gas combustible gas monitoring devices, easy operation conveniently carries, uses and controls, can monitor coal bed gas combustible gas, and operating personnel can know relevant information constantly to can also in time effectually take out combustible gas in order to reduce coal bed gas combustible gas concentration, the security is splendid.
(II) technical scheme
The utility model provides a coal bed gas combustible gas monitoring device, which comprises a monitoring device body, a connecting box, a combustible gas monitoring instrument, a fan, a grid plate, a dust blocking net, an air exhaust mechanism, a first connecting piece, an air exhaust cover, a second connecting piece, a third connecting piece and a sealing door;
the connecting box is in a semi-closed shape and is arranged in the monitoring device body; the monitoring device body is provided with an air inlet and an air outlet; the grid plate is horizontally arranged in the connecting box and divides the connecting box into an upper part and a lower part, the upper part corresponds to the air inlet, and the lower part corresponds to the air outlet; the combustible gas monitoring instrument and the fan are arranged on the grid plate, and the blowing direction of the fan faces the combustible gas monitoring instrument; the dust blocking net is arranged on the monitoring device body and covers the air inlet and the air outlet;
the air exhaust mechanism is arranged in the monitoring device body, an air inlet pipe is arranged at the input end, and an exhaust pipe is arranged at the output end; the exhaust pipe penetrates through the monitoring device body and is connected with an external exhaust pipeline; the first connecting piece is arranged on the monitoring device body, the second connecting piece is connected with the first connecting piece and the third connecting piece, and the third connecting piece is connected with the air inlet pipe; the air exhaust cover is arranged on the first connecting piece;
the monitoring device body is provided with a handle and an alarm, and the alarm is in communication connection with the combustible gas monitoring instrument; the sealing door is arranged on the monitoring device body, and a display screen is arranged on the sealing door; the display screen is in communication connection with the combustible gas monitoring instrument.
Preferably, the system also comprises a PLC controller; the PLC is in communication connection with a combustible gas monitoring instrument and an air exhaust mechanism.
Preferably, a storage battery is arranged in the monitoring device body, and a charging jack is arranged at a position corresponding to the monitoring device body; the storage battery is electrically connected with each electric device.
Preferably, the dust blocking net is provided with a connecting piece with a threaded hole, the monitoring device body is correspondingly provided with a threaded hole, and the connecting piece is in threaded connection with the monitoring device body through a bolt.
Preferably, the number of the first connecting pieces is two, one is located near the top of the monitoring device body, and the other is near the bottom of the monitoring device body.
Preferably, the first connecting piece is of a rectangular frame-shaped structure, and the number of the air exhaust covers is multiple groups and is arranged on the first connecting piece at equal intervals.
Preferably, the second connecting member is in the shape of a "cross" and the junction of the second connecting member and the third connecting member is at the intersection thereof.
Preferably, the exhaust pipe is provided with a connector with external threads, and the connector is in threaded connection with the external exhaust pipeline.
Preferably, the alarm is an audible and visual alarm.
Preferably, the device also comprises a protective sleeve; the protective sleeve is arranged on the handle; the surface of the protective sleeve is made of latex material, and sponge is filled inside the protective sleeve.
The above technical scheme of the utility model has following profitable technological effect:
the fan rotates, external air enters the connecting box through the air inlet hole, and the air passes through the grid plate and is exhausted through the exhaust hole, so that the air circulation in the connecting box is kept; the combustible gas monitoring instrument detects the concentration of the combustible gas, the combustible gas monitoring instrument is in communication connection with the alarm, when the concentration of the combustible gas reaches a certain value, the alarm gives an alarm to remind an operator of making a relevant reaction, the display screen is in communication connection with the combustible gas monitoring instrument, and the combustible gas concentration information is constantly displayed on the display screen, so that the operator can conveniently know the concentration information of the combustible gas in the coal bed gas, and the safety performance is excellent;
when the concentration of the combustible gas is greater than a certain value, starting the gas extraction mechanism, extracting the combustible gas through the gas extraction cover, the first connecting piece, the second connecting piece, the third connecting piece and the gas inlet pipe, and then inputting the combustible gas into an external exhaust pipeline through the exhaust pipe and exhausting the combustible gas to the atmosphere; by arranging the two groups of first connecting pieces and the plurality of groups of exhaust hoods, the exhaust operation can be performed in all directions, the combustible gas can be quickly and effectively exhausted, the concentration of the combustible gas in the environment is reduced, and the safety accident is avoided;
through the dust blocking net, foreign matters such as external dust can be effectively prevented from entering the connecting box, and a combustible gas monitoring instrument is protected;
the utility model is simple in operation, conveniently carry, use and control, can monitor coal bed gas combustible gas, operating personnel can know relevant information constantly to can also in time take out combustible gas in order to reduce coal bed gas combustible gas concentration, the security is splendid.
Drawings
Fig. 1 is the utility model provides a coal bed gas combustible gas monitoring devices's schematic structure diagram.
Fig. 2 is a front view of a coal bed methane combustible gas monitoring device provided by the present invention.
Fig. 3 is a schematic top view of a device for monitoring combustible gas in coal bed methane according to the present invention.
Reference numerals: 1. a monitoring device body; 2. a connecting box; 3. a combustible gas monitoring instrument; 4. a fan; 5. a grid plate; 6. an air inlet; 7. an exhaust hole; 8. a dust blocking net; 9. an air extraction mechanism; 10. a first connecting member; 11. an air extraction hood; 12. a second connecting member; 13. a third connecting member; 14. an air inlet pipe; 15. an exhaust pipe; 16. a handle; 17. an alarm; 18. a protective sleeve; 19. a sealing door; 20. a display screen; 21. and (4) a storage battery.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
As shown in fig. 1-3, the coal bed methane combustible gas monitoring device provided by the present invention comprises a monitoring device body 1, a connection box 2, a combustible gas monitoring instrument 3, a fan 4, a grid plate 5, a dust blocking net 8, an air pumping mechanism 9, a first connecting piece 10, an air pumping cover 11, a second connecting piece 12, a third connecting piece 13, a sealing door 19 and a PLC controller;
the connecting box 2 is in a semi-closed shape and is arranged in the monitoring device body 1; the monitoring device body 1 is provided with an air inlet 6 and an air outlet 7; the grid plate 5 is horizontally arranged in the connecting box 2 and is divided into an upper part and a lower part, the upper part corresponds to the air inlet 6, and the lower part corresponds to the air outlet 7; the combustible gas monitoring instrument 3 and the fan 4 are arranged on the grid plate 5, and the blowing direction of the fan 4 faces the combustible gas monitoring instrument 3; the dust blocking net 8 is arranged on the monitoring device body 1 and covers the air inlet 6 and the air outlet 7;
the air exhaust mechanism 9 is arranged in the monitoring device body 1, an air inlet pipe 14 is arranged at the input end, and an exhaust pipe 15 is arranged at the output end; the exhaust pipe 15 penetrates through the monitoring device body 1 and is connected with an external exhaust pipeline (not shown in the figure), and the external ventilation pipeline is communicated with the outside to exhaust gas into the external atmosphere of the box; the first connecting piece 10 is arranged on the monitoring device body 1, the second connecting piece 12 is connected with the first connecting piece 10 and the third connecting piece 13, and the third connecting piece 13 is connected with the air inlet pipe 14; the air exhaust cover 11 is arranged on the first connecting piece 10;
the number of the first connecting pieces 10 is two, one is positioned near the top of the monitoring device body 1, and the other is near the bottom of the monitoring device body 1; the first connecting piece 10 is of a rectangular frame-shaped structure, and the number of the air extraction covers 11 is multiple and the air extraction covers are arranged on the first connecting piece 10 at equal intervals;
the monitoring device body 1 is provided with a handle 16 and an alarm 17, and the alarm 17 is in communication connection with the combustible gas monitoring instrument 3; the sealing door 19 is arranged on the monitoring device body 1, and a display screen 20 is arranged on the sealing door 19; the display screen 20 is in communication connection with the combustible gas monitoring instrument 3; the PLC is in communication connection with the combustible gas monitoring instrument 3 and the air exhaust mechanism 9; the switch of each device can be controlled manually or automatically through the controller, so that the use and control are convenient, and the safety performance is better;
a storage battery 21 is arranged in the monitoring device body 1, and a charging jack is arranged at a position corresponding to the monitoring device body 1; the battery 21 is electrically connected to each electric device.
In an alternative embodiment, the dust-blocking net 8 is provided with a connecting piece with a threaded hole, the monitoring device body 1 is correspondingly provided with a threaded hole, and the connecting piece is in threaded connection with the monitoring device body 1 through a bolt. Through screwing or unscrewing the bolt, the installation and the dismantlement of dust blocking net 8 are realized, the dust blocking net 8 is conveniently replaced, and the damage to relevant parts caused by the fact that foreign matters such as external dust enter the connecting box 2 is avoided.
In an alternative embodiment, the second connecting member 12 is in the shape of a "cross" and the junction of the second connecting member 12 and the third connecting member 13 is located at the intersection thereof, which can improve the air intake efficiency.
In an alternative embodiment, the exhaust pipe 15 is provided with a connector with external threads, and the connector is in threaded connection with the external exhaust duct, so that the exhaust pipe 15 can be conveniently connected with and separated from the external exhaust duct, and the use is convenient.
In an alternative embodiment, the alarm 17 is an audible and visual alarm, and the reminding effect is excellent.
In an alternative embodiment, a protective sleeve 18 is also included; the protective sleeve 18 is arranged on the handle 16; the surface of the protective cover 18 is made of latex material, and the interior is filled with sponge. The protective sleeve 18 protects the palm of the hand, and the palm of the hand is more comfortable when the monitoring device body 1 is carried by hand.
In the utility model, the fan 4 rotates, external air enters the connecting box 2 through the air inlet 6, and the air is exhausted through the grid plate 5 and the exhaust hole 7, so that the air circulation in the connecting box 2 is kept; the combustible gas monitoring instrument 3 is used for detecting the concentration of the combustible gas, the combustible gas monitoring instrument 3 is in communication connection with the alarm 17, when the concentration of the combustible gas reaches a certain value, the alarm 17 gives an alarm to remind an operator of making a relevant reaction, the display screen 20 is in communication connection with the combustible gas monitoring instrument 3, the combustible gas concentration information is displayed on the display screen 20 at any time, the operator can conveniently know the concentration information of the combustible gas in the coal bed gas, and the safety performance is excellent;
when the concentration of the combustible gas is greater than a certain value, the air extraction mechanism 9 is started, the combustible gas is extracted through the air extraction cover 11, the first connecting piece 10, the second connecting piece 12, the third connecting piece 13 and the air inlet pipe 14, and then the combustible gas is input into an external exhaust pipeline through the exhaust pipe 15 and is exhausted to the atmosphere; through the arrangement of the two groups of first connecting pieces 10 and the plurality of groups of air extraction covers 11, air extraction operation can be performed in all directions, combustible gas can be quickly and effectively extracted, the concentration of the combustible gas in the environment is reduced, and safety accidents are avoided;
through keeping off dirt net 8, can effectively prevent debris such as outside dust to get into in the connecting box 2, play the guard action to combustible gas monitoring instrument 3.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (10)
1. A coal bed gas combustible gas monitoring device is characterized by comprising a monitoring device body (1), a connecting box (2), a combustible gas monitoring instrument (3), a fan (4), a grid plate (5), a dust blocking net (8), an air pumping mechanism (9), a first connecting piece (10), an air pumping cover (11), a second connecting piece (12), a third connecting piece (13) and a sealing door (19);
the connecting box (2) is in a semi-closed shape and is arranged in the monitoring device body (1); the monitoring device body (1) is provided with an air inlet (6) and an air outlet (7); the grid plate (5) is horizontally arranged in the connecting box (2) and is divided into an upper part and a lower part, the upper part corresponds to the air inlet (6), and the lower part corresponds to the air outlet (7); the combustible gas monitoring instrument (3) and the fan (4) are arranged on the grid plate (5), and the blowing direction of the fan (4) faces the combustible gas monitoring instrument (3); the dust blocking net (8) is arranged on the monitoring device body (1) and covers the air inlet hole (6) and the air outlet hole (7);
the air exhaust mechanism (9) is arranged in the monitoring device body (1), an air inlet pipe (14) is arranged at the input end, and an exhaust pipe (15) is arranged at the output end; the exhaust pipe (15) penetrates through the monitoring device body (1) and is connected with an external exhaust pipeline; the first connecting piece (10) is arranged on the monitoring device body (1), the second connecting piece (12) is connected with the first connecting piece (10) and the third connecting piece (13), and the third connecting piece (13) is connected with the air inlet pipe (14); the air extraction cover (11) is arranged on the first connecting piece (10);
the monitoring device body (1) is provided with a handle (16) and an alarm (17), and the alarm (17) is in communication connection with the combustible gas monitoring instrument (3); the sealing door (19) is arranged on the monitoring device body (1), and a display screen (20) is arranged on the sealing door (19); the display screen (20) is in communication connection with the combustible gas monitoring instrument (3).
2. The device for monitoring the combustible gas in the coal bed methane according to claim 1, further comprising a PLC controller;
the PLC is connected with a combustible gas monitoring instrument (3) and an air exhaust mechanism (9) in a communication way.
3. The monitoring device for the combustible gas in the coal bed methane according to claim 1, wherein a storage battery (21) is arranged in the monitoring device body (1), and a charging jack is arranged at a corresponding position of the monitoring device body (1);
the storage battery (21) is electrically connected with each electric device.
4. The coal bed methane combustible gas monitoring device according to claim 1, wherein the dust blocking net (8) is provided with a connecting piece with a threaded hole, the monitoring device body (1) is correspondingly provided with a threaded hole, and the connecting piece is in threaded connection with the monitoring device body (1) through a bolt.
5. The coal bed methane combustible gas monitoring device according to claim 1, wherein the number of the first connectors (10) is two, one is located near the top of the monitoring device body (1), and the other is located near the bottom of the monitoring device body (1).
6. A coal bed methane combustible gas monitoring device according to claim 1, characterized in that the first connecting member (10) is of a rectangular frame-like structure, and the number of the air extraction hoods (11) is multiple groups and is equidistantly arranged on the first connecting member (10).
7. The device for monitoring the combustible gas in the coal bed methane according to the claim 1, characterized in that the second connecting piece (12) is in a cross shape, and the connecting position of the second connecting piece (12) and the third connecting piece (13) is positioned at the intersection point.
8. The device for monitoring the combustible gas in the coal bed methane according to claim 1, wherein the exhaust pipe (15) is provided with a connector with external threads, and the connector is in threaded connection with an external exhaust pipeline.
9. The coal bed methane combustible gas monitoring device according to claim 1, characterized in that the alarm (17) is an acousto-optic alarm.
10. The coal bed methane combustible gas monitoring device according to claim 1, further comprising a shield (18);
the protective sleeve (18) is arranged on the handle (16); the surface of the protective sleeve (18) is made of latex material, and sponge is filled inside the protective sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921206898.2U CN210323005U (en) | 2019-07-29 | 2019-07-29 | Coal bed gas combustible gas monitoring devices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921206898.2U CN210323005U (en) | 2019-07-29 | 2019-07-29 | Coal bed gas combustible gas monitoring devices |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210323005U true CN210323005U (en) | 2020-04-14 |
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ID=70126678
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921206898.2U Active CN210323005U (en) | 2019-07-29 | 2019-07-29 | Coal bed gas combustible gas monitoring devices |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210323005U (en) |
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2019
- 2019-07-29 CN CN201921206898.2U patent/CN210323005U/en active Active
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