CN217028997U - Air exhaust device for coal mine gas prevention and control - Google Patents

Air exhaust device for coal mine gas prevention and control Download PDF

Info

Publication number
CN217028997U
CN217028997U CN202220752662.4U CN202220752662U CN217028997U CN 217028997 U CN217028997 U CN 217028997U CN 202220752662 U CN202220752662 U CN 202220752662U CN 217028997 U CN217028997 U CN 217028997U
Authority
CN
China
Prior art keywords
gas
air
tank body
fixedly arranged
concentration
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
CN202220752662.4U
Other languages
Chinese (zh)
Inventor
朱永
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.)
Wanbei Coal Electricity Group Co ltd
Original Assignee
Wanbei Coal Electricity Group Co 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 Wanbei Coal Electricity Group Co ltd filed Critical Wanbei Coal Electricity Group Co ltd
Priority to CN202220752662.4U priority Critical patent/CN217028997U/en
Application granted granted Critical
Publication of CN217028997U publication Critical patent/CN217028997U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Abstract

The utility model discloses an air extractor for coal mine gas control, which comprises: a base; the gas extraction tank body is fixedly arranged on the top end face of the base through a plurality of bottom supports, a gas receiving valve is fixedly arranged at the left end opening of the gas extraction tank body, two gas exhaust openings are formed in the right end face of the gas extraction tank body, one gas exhaust opening is communicated with the first gas collecting bin through a low-concentration gas mixed gas pipeline, and the other gas exhaust opening is communicated with the second gas collecting bin through a high-concentration gas mixed gas pipeline; the embedded ring seat is fixedly arranged in the inner cavity in the middle of the air exhaust tank body. The device adopts the air pump to discharge the gas in the coal mine into the air extraction tank body, filters the gas flowing through the air extraction tank body, and stores the gas into the corresponding gas collection bin according to the gas concentration in a grading manner, thereby facilitating the recovery and management of the gas.

Description

Air exhaust device for coal mine gas prevention and control
Technical Field
The utility model relates to the technical field of coal mining, in particular to an air extractor for coal mine gas control.
Background
The coal mine is an important resource for mining coal in a coal-rich mining area, in the coal mining process, mixed gas containing gas exists in the deep part of the coal mine, the gas is formed by decomposing cellulose and organic matters under the action of anaerobic bacteria at the initial stage of stacking ancient plants into coal, and the mixed gas not only pollutes air, but also can cause explosion when the content of the gas in the air is too high and causes accidents when meeting open fire.
SUMMERY OF THE UTILITY MODEL
Therefore, the utility model provides an air extraction device for coal mine gas control, which aims to solve the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme: an air extractor for coal mine gas control, which comprises:
a base;
the gas extraction tank body is fixedly arranged on the top end face of the base through a plurality of bottom supports, a gas connecting valve is fixedly arranged at the left end opening of the gas extraction tank body, two gas outlets are formed in the right end face of the gas extraction tank body, one gas outlet is communicated with the first gas collection bin through a low-concentration gas mixed gas pipeline, and the other gas outlet is communicated with the second gas collection bin through a high-concentration gas mixed gas pipeline;
the embedded ring seat is fixedly arranged in an inner cavity in the middle of the air exhaust tank body, a coal dust fine filter screen is fixedly arranged in the embedded ring seat, one end of a plurality of uniformly distributed connecting seats is fixedly arranged on the inner wall of the embedded ring seat, the other end of each connecting seat is fixedly provided with an electric oscillator, the driving end of each electric oscillator is fixedly provided with an oscillating head component, and the oscillating head component can intermittently collide with the coal dust fine filter screen under the driving of the electric oscillator;
the air suction pump is fixedly installed on the base, an air suction pipe is fixedly communicated with an air inlet end of the air suction pump, and an air outlet end of the air suction pump is communicated with the air receiving valve through an air conveying pipe.
Further, as the preferred, the oscillating head subassembly is including oscillating board, rubber ring, push pedal and spring, the push pedal is fixed set up in on the drive end of electric oscillator, the push pedal with a plurality of springs of fixedly connected with between the oscillating board, fixed cover is equipped with on the push pedal lateral wall the one end of rubber ring, the fixed cover of the other end of rubber ring is located on the lateral wall of oscillating board.
Preferably, a first electric control valve is fixedly installed on the low-concentration gas mixed gas pipeline.
Preferably, a second electric control valve is fixedly mounted on the high-concentration gas mixed gas pipeline.
Preferably, a gas concentration sensor is fixedly arranged on the inner wall of the gas receiving valve.
Further, as preferred, it is internal still to fix and is provided with the coal dust coarse strainer to take out the gas pitcher, just the coal dust coarse strainer is located the left side of coal dust fine filter screen.
Further, as preferred, be located the part between coal dust coarse strainer and the fine filter screen of coal dust the portion of bleeding on the jar body fixed mounting has coal dust concentration detector.
By adopting the technology, compared with the prior art, the utility model has the following beneficial effects: the device adopts the air pump to discharge the gas in the coal mine into the air extraction tank body, filters the gas flowing through the air extraction tank body, and stores the gas into the corresponding gas collection bin according to the gas concentration in a grading manner, so that the gas is convenient to recover and manage.
Drawings
FIG. 1 is a schematic view of an air extractor for coal mine gas control;
FIG. 2 is a schematic view of a part of the interior of an air extraction tank in an air extraction device for coal mine gas control;
FIG. 3 is an enlarged view of portion A of FIG. 2;
fig. 4 is a sectional view showing the structure of an oscillating head assembly in an air extractor for coal mine gas control.
In the figure: 1. a coal dust concentration detector; 2. an air exhaust tank body; 3. a low concentration gas mixture conduit; 4. a first electrically controlled valve; 5. a second electrically controlled valve; 6. a high-concentration gas mixed gas pipeline; 7. a bottom support; 8. a base; 9. an air exhaust pipe; 10. an air pump; 11. a gas delivery pipe; 12. an embedded ring seat; 13. a fine coal dust filter screen; 14. a coal dust coarse filter screen; 15. an air valve is connected; 16. a connecting seat; 17. an electrodynamic oscillator; 18. an oscillating head assembly; 1801. an oscillating plate; 1802. a rubber ring; 1803. pushing the plate; 1804. a spring.
Detailed Description
The technical solution of the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings.
The embodiment is as follows: referring to fig. 1-4, the present invention provides a technical solution: an air extractor for coal mine gas control, which comprises:
a base 8;
the gas extraction device comprises a gas extraction tank body 2, wherein the gas extraction tank body 2 is fixedly arranged on the top end face of a base 8 by adopting a plurality of bottom supports 7, a gas receiving valve 15 is fixedly arranged at the left end port of the gas extraction tank body 2, two gas exhaust ports are formed in the right end face of the gas extraction tank body 2, one gas exhaust port is communicated with a first gas collection bin by adopting a low-concentration gas mixed gas pipeline 3, and the other gas exhaust port is communicated with a second gas collection bin by adopting a high-concentration gas mixed gas pipeline 6;
the device comprises an embedded ring seat 12, wherein the embedded ring seat 12 is fixedly arranged in an inner cavity in the middle of an air extraction tank body 2, a coal dust fine filter screen 13 is fixedly arranged in the embedded ring seat 12, one end of a plurality of uniformly distributed connecting seats 16 is also fixedly arranged on the inner wall of the embedded ring seat 12, the other end of each connecting seat 16 is fixedly provided with an electric oscillator 17, the driving end of each electric oscillator 17 is fixedly provided with an oscillating head assembly 18, and the oscillating head assemblies 18 can intermittently collide with the coal dust fine filter screen 13 under the driving of the electric oscillators 17;
the air pump 10 is fixedly arranged on the base 8, the air inlet end of the air pump 10 is fixedly communicated with an air pumping pipe 9, and the air outlet end of the air pump 10 is communicated with an air receiving valve 15 through an air conveying pipe 11;
specifically, the air exhaust tank body 2 adopts a sectional structure, so that the coal dust is convenient to disassemble, clean and recycle.
In this embodiment, the oscillating head assembly 18 includes an oscillating plate 1801, a rubber ring 1802, a push plate 1803 and springs 1804, the push plate 1803 is fixedly disposed at a driving end of the electric oscillator 17, a plurality of springs 1804 are fixedly connected between the push plate 1803 and the oscillating plate 1801, an end of the rubber ring 1802 is fixedly disposed on a side wall of the push plate 1803, and another end of the rubber ring 1802 is fixedly disposed on a side wall of the oscillating plate 1801.
In this embodiment, a first electric control valve 4 is fixedly installed on the low-concentration gas mixed gas pipeline 3.
In this embodiment, the second electric control valve 5 is fixedly mounted on the high-concentration gas mixture pipeline 6.
In this embodiment, a gas concentration sensor is fixedly arranged on the inner wall of the gas receiving valve 15;
specifically, when the gas concentration in the extracted gas is greater than the threshold value of the gas concentration sensor, the second electronic control valve 5 on the high-concentration gas mixed gas pipeline 6 is opened; when the gas concentration in the extracted gas is smaller than the threshold value of the gas concentration sensor, the first electric control valve 4 on the low-concentration gas mixed gas pipeline 3 is opened, so that the gas recovery management is facilitated.
In this embodiment, a coal dust coarse strainer 14 is further fixedly disposed in the air extraction tank 2, and the coal dust coarse strainer 14 is located at the left side of the coal dust fine strainer 13.
In this embodiment, a coal dust concentration detector 1 is fixedly mounted on a part of the air extraction tank body 2 located between the coal dust coarse filter screen 14 and the coal dust fine filter screen 13;
specifically, when the coal dust concentration in the gas is greater than the threshold value of the coal dust concentration detector 1, the electric oscillator 17 starts to work and drives the oscillating head assembly 18 to intermittently collide with the coal dust fine filter screen 13, so that the situation that the coal dust fine filter screen 13 is blocked due to too large coal dust is avoided.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims (7)

1. The utility model provides a gas extraction device is used in colliery gas prevention and cure which characterized in that, it includes:
a base (8);
the gas extraction device comprises a gas extraction tank body (2), wherein the gas extraction tank body (2) is fixedly installed on the top end face of a base (8) through a plurality of bottom supports (7), a gas receiving valve (15) is fixedly arranged at the left end of the gas extraction tank body (2), two gas exhaust ports are formed in the right end face of the gas extraction tank body (2), one gas exhaust port is communicated with a first gas collection bin through a low-concentration gas mixed gas pipeline (3), and the other gas exhaust port is communicated with a second gas collection bin through a high-concentration gas mixed gas pipeline (6);
the device comprises an embedded ring seat (12), wherein the embedded ring seat (12) is fixedly arranged in an inner cavity in the middle of an air extraction tank body (2), a coal dust fine filter screen (13) is fixedly arranged in the embedded ring seat (12), one end of a plurality of uniformly distributed connecting seats (16) is fixedly arranged on the inner wall of the embedded ring seat (12), an electric oscillator (17) is fixedly arranged at the other end of each connecting seat (16), an oscillating head assembly (18) is fixedly arranged at the driving end of each electric oscillator (17), and the oscillating head assembly (18) can intermittently collide with the coal dust fine filter screen (13) under the driving of the electric oscillator (17);
and the air pump (10), the air pump (10) is fixedly arranged on the base (8), the air inlet end of the air pump (10) is fixedly communicated with an air pumping pipe (9), and the air outlet end of the air pump (10) is communicated with the air receiving valve (15) by adopting an air conveying pipe (11).
2. The air extractor for coal mine gas control of claim 1, wherein: oscillating head subassembly (18) is including oscillating plate (1801), rubber ring (1802), push pedal (1803) and spring (1804), push pedal (1803) fixed set up in on the drive end of electric oscillator (17), push pedal (1803) with a plurality of springs (1804) of fixedly connected with between oscillating plate (1801), fixed cover is equipped with on push pedal (1803) lateral wall the one end of rubber ring (1802), the fixed cover of the other end of rubber ring (1802) is located on the lateral wall of oscillating plate (1801).
3. The air extractor for coal mine gas control as claimed in claim 1, wherein: and a first electric control valve (4) is fixedly installed on the low-concentration gas mixed gas pipeline (3).
4. The air extractor for coal mine gas control as claimed in claim 3, wherein: and a second electric control valve (5) is fixedly arranged on the high-concentration gas mixed gas pipeline (6).
5. The air extractor for coal mine gas control as claimed in claim 4, wherein: and a gas concentration sensor is fixedly arranged on the inner wall of the gas receiving valve (15).
6. The air extractor for coal mine gas control of claim 1, wherein: still fixedly in the air exhaust tank body (2) be provided with coal dust coarse strainer (14), just coal dust coarse strainer (14) are located the left side of coal dust fine screen (13).
7. The air extractor for coal mine gas control as claimed in claim 6, wherein: and the part between the coal dust coarse filter screen (14) and the coal dust fine filter screen (13) is fixedly provided with a coal dust concentration detector (1) on the air pumping tank body (2).
CN202220752662.4U 2022-03-31 2022-03-31 Air exhaust device for coal mine gas prevention and control Active CN217028997U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202220752662.4U CN217028997U (en) 2022-03-31 2022-03-31 Air exhaust device for coal mine gas prevention and control

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202220752662.4U CN217028997U (en) 2022-03-31 2022-03-31 Air exhaust device for coal mine gas prevention and control

Publications (1)

Publication Number Publication Date
CN217028997U true CN217028997U (en) 2022-07-22

Family

ID=82415333

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202220752662.4U Active CN217028997U (en) 2022-03-31 2022-03-31 Air exhaust device for coal mine gas prevention and control

Country Status (1)

Country Link
CN (1) CN217028997U (en)

Similar Documents

Publication Publication Date Title
CN217028997U (en) Air exhaust device for coal mine gas prevention and control
CN215195907U (en) Hydrogen recovery unit in chemical production
CN212651508U (en) Device is taken out with polyurethane resin's toluene to microfiber leather
CN107497573B (en) A kind of refuse battery crushing device
CN211847491U (en) Sewage purification device
CN109126375A (en) Device for recovering oil and gas and method during a kind of clear tank of gas station's storage tank
CN207210023U (en) A kind of vacuum oil-water separator
CN216703434U (en) Waste water treatment device that draws water
CN219879555U (en) Waste gas purifying mechanism based on microorganism
CN111905436A (en) Impurity screening mechanism suitable for extracting waste mineral oil and implementation method thereof
CN219482038U (en) Recovery unit of metalworking powder
CN205495204U (en) Air purifier
CN217626349U (en) Feed bin in follow-on vacuum
CN215538833U (en) Special double-layer filtering device for extracting micro-plastic from wet garbage
CN110860162A (en) Baffle plate type oil-gas separation device
CN219333660U (en) High-efficiency oil gas recovery filter
CN218392359U (en) Oil-gas separation device for oil field gathering and transportation
CN212818769U (en) Gas-liquid separation filter equipment
CN217092474U (en) Silicon mud conveying device produced after diamond wire cutting waste liquid treatment
CN211612287U (en) Sample filtering device for ion chromatograph analysis system
CN216418451U (en) Production device for high-concentration 2,4-D dimethylamine salt efficient filtration treatment
CN201356991Y (en) Oil-water separator for gas tank
CN101935084A (en) Dust absorbing device for storage hopper in wet powdered activated carbon dosing equipment
CN220443430U (en) Gas power generation conveyer pipe filters protection architecture
CN113599987B (en) Filter system for recycling sulfur from industrial waste gas

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant