CN214196389U

CN214196389U - Coal mining gas prevention and control device

Info

Publication number: CN214196389U
Application number: CN202120030079.8U
Authority: CN
Inventors: 李云鹏; 石鑫
Original assignee: Shaanxi Changwu Tingnan Coal Industry Co Ltd
Current assignee: Shaanxi Changwu Tingnan Coal Industry Co Ltd
Priority date: 2021-01-07
Filing date: 2021-01-07
Publication date: 2021-09-14
Anticipated expiration: 2031-01-07

Abstract

The utility model relates to the technical field of coal mining, in particular to a gas prevention device for coal mining, which comprises a base, a dust removal box and a storage box, wherein the base is fixedly connected with the dust removal box, the bottom end of the inner side of the dust removal box is fixedly connected with a motor, the tail end of a main shaft of the motor is fixedly connected with a pinion, the outer side of the pinion is engaged and connected with a gearwheel, and the top end of the gearwheel is fixedly connected with an agitator, in the utility model, through the arranged gas separator, a fan and the storage box, the arrangement is matched with the fixed connection of the gas separator and the fan and the fixed connection of the fan and the storage box, so that the gas and the air can be effectively separated, the gas is intensively collected and discharged through a special pipeline, the utilization rate of the gas can be improved, the gas is prevented from being directly discharged into the external environment, the gas is prevented from reaching a certain concentration, and people suffocate due to oxygen deficiency, the risk of burning or explosion is effectively reduced.

Description

Coal mining gas prevention and control device

Technical Field

The utility model relates to a coal mining technology field specifically is a coal mining is with gas prevention and cure device.

Background

Coal is mined by mankind in coal-rich mining areasThe coal mining carbon resource area is generally divided into a mineworker coal mine and an opencast coal mine, when a coal layer is far away from the ground surface, a roadway is generally dug towards the underground, the coal mining is the mineworker coal mine, when the coal layer is very close to the ground surface, the coal mining is generally selected to be dug by directly stripping a surface soil layer, the opencast coal mine is the opencast coal mine, most coal mines in China belong to the mineworker coal mine, the site environment of coal mining work has the characteristics of narrow operation space, more mechanical equipment, poor visual environment and high temperature, the area is poor in ventilation, high in temperature and humidity and easy to accumulate gas released by intersection of a goaf and a mining surface, the gas is formed by decomposing cellulose and organic matters under the action of anaerobic bacteria in the initial stage of coal accumulation of ancient plants, and the gas is colorless and tasteless due to physical and chemical actions in the high-temperature and high-pressure environment, however, apple-like flavor may sometimes be heard due to the aromatic hydrocarbon gas coming out simultaneously with the gas, which has a relative density of 0.554 to air and a density of 0.716kg/m in the standard state³The infiltration capacity of gas is 1.6 times of the air, be difficult to water, it also can not maintain the breathing not to support combustion, when reaching certain concentration, enable the people and suffocate because of the oxygen deficiency, and can take place burning or explosion, it is great to produce the dust simultaneously when carrying out the coal mining, if do not clear up the dust in time, lead to the dust concentration too high, also can bring corresponding safe risk, and current dust collector can't realize the cyclic utilization to water, lead to the water consumption too big, the cost of exploitation has been increased to a certain extent.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a coal mining is with gas prevention and cure device to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a gas prevention device for coal mining comprises a base, a dust removal box and a storage box, wherein the base is fixedly connected with the dust removal box, the bottom end of the inner side of the dust removal box is fixedly connected with a motor, the tail end of a main shaft of the motor is fixedly connected with a pinion, the outer side of the pinion is engaged and connected with a gear wheel, the top end of the gear wheel is fixedly connected with an agitator, the left end and the right end of the inner side of the bottom end of the dust removal box are fixedly connected with a funnel, the bottom end of the outer side of the funnel is fixedly connected with a filter box, the filter box is fixedly connected with the base, the inner side of the filter box is fixedly connected with a filter screen, the left side of the filter box is fixedly connected with a circulating pump through a connecting pipe, the circulating pump is fixedly connected with the base, the top end of the circulating pump is fixedly connected with a water spray pipe through a connecting pipe, the water spray pipe is fixedly connected with the dust removal box, and the bottom end of the water spray pipe is fixedly connected with a spray head through a fixing plate, the utility model discloses a gas separation device, including dust removal case, connecting pipe, gas separator, fan bottom fixedly connected with bin, bin and gas separator fixed connection, the pipe is taken out to the inboard fixedly connected with in dust removal case left side top, take out and take out the head of taking out of pipe left side fixedly connected with, dust removal case top left side fixedly connected with inlet tube, dust removal case top right side fixedly connected with cartridge throwing pipe, connecting pipe fixedly connected with gas separator is passed through on dust removal case right side top, gas separator right side fixedly connected with fan, fan bottom fixedly connected with bin, bin and gas separator fixed connection, bin right side bottom fixedly connected with delivery pipe.

Preferably, the gear wheel has a diameter twice that of the pinion gear.

Preferably, the funnel is wide about, narrow form setting, funnel and rose box fixed connection, the total 2 of number of funnel, the funnel is bilateral symmetry and sets up.

Preferably, the number of the spray heads is 5, and the spray heads are arranged equidistantly.

Preferably, the extraction head is made of a stainless steel pipe, and through holes are uniformly arranged on the surface of the extraction head.

Compared with the prior art, the beneficial effects of the utility model are that:

1. in the utility model, through the gas separator, the fan and the storage box, the gas separator and the fan are fixedly connected and the fan is fixedly connected with the storage box, so that the gas and the air can be effectively separated, the gas is collected in a centralized way and is discharged through a special pipeline, the utilization rate of the gas is improved, the gas is prevented from being directly discharged into the external environment, the gas is prevented from reaching a certain concentration, people are prevented from suffocating due to oxygen deficiency, and the risk of combustion or explosion is effectively reduced;

2. the utility model discloses in, pinion through setting up, gear wheel and agitator, this kind sets up the cooperation pinion and is connected with gear wheel meshing and gear wheel and agitator fixed connection, can be through the mode of spraying water, effectual dust that will take out among the gas of adopting condenses, and make the dust condense through adding the flocculating agent and deposit, and can effectual cyclic utilization who realizes water, it is too big to avoid the water consumption, the cost of exploitation has been reduced, the effectual safe risk that has reduced, and because the insoluble characteristic of gas, also can not disturb the normal discharge of gas.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic structural diagram of a portion a of fig. 1 according to the present invention.

In the figure: 1-base, 2-dust removal box, 3-motor, 4-pinion, 5-bull gear, 6-stirrer, 7-funnel, 8-filter box, 9-filter screen, 10-circulating pump, 11-water spray pipe, 12-nozzle, 13-extraction pipe, 14-extraction head, 15-water inlet pipe, 16-drug delivery pipe, 17-gas separator, 18-fan, 19-storage tank, and 20-discharge pipe.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution:

a gas prevention device for coal mining comprises a base 1, a dust removal box 2 and a storage box 19, wherein the base 1 is fixedly connected with the dust removal box 2, the bottom end of the inner side of the dust removal box 2 is fixedly connected with a motor 3, the tail end of a main shaft of the motor 3 is fixedly connected with a pinion 4, the outer side of the pinion 4 is engaged with a bull gear 5, the top end of the bull gear 5 is fixedly connected with an agitator 6, so that effective agitation can be conveniently carried out, the main shaft of the motor 3 can be well protected, the left end and the right end of the inner side of the bottom end of the dust removal box 2 are fixedly connected with a funnel 7, the bottom end of the outer side of the funnel 7 is fixedly connected with a filter box 8, the filter box 8 is fixedly connected with the base 1, the inner side of the filter box 8 is fixedly connected with a filter screen 9, the left side of the filter box 8 is fixedly connected with a circulating pump 10 through a connecting pipe, the circulating pump 10 is fixedly connected with the base 1, the top end of the circulating pump 10 is fixedly connected with a water spray pipe 11 through a connecting pipe, the water spray pipe 11 is fixedly connected with the

dust removal box

2, 11 bottom of spray pipe is through fixed plate fixedly connected with shower nozzle 12, be convenient for realize the cycle water, the effectual exploitation cost that has reduced, 2 inboard fixedly connected with in left side top of dust removal case take out and take out tub 13, take out and take out tub 13 left side fixedly connected with and take out first 14, 2 top left sides fixedly connected with inlet tube 15 of dust removal case, 2 top right sides fixedly connected with of dust removal

case throw pencil

16, 2 right sides top of dust removal case is through connecting pipe fixedly connected with gas separator 17, gas separator 17 right side fixedly connected with

fan

18, 18 bottom fixedly connected with bin 19 of fan, bin 19 and gas separator 17 fixed connection, 19 right sides bottom fixedly connected with delivery pipe 20 of bin, be convenient for effectual separation gas.

The diameter of the big gear 5 is twice that of the small gear 4, so that the effective rotation is convenient, and the main shaft of the motor 3 can be well protected; the funnels 7 are arranged in a wide-top and narrow-bottom manner, the funnels 7 are fixedly connected with the filter box 8, the number of the funnels 7 is 2, and the funnels 7 are symmetrically arranged left and right, so that effective filtering is facilitated; the number of the spray heads 12 is 5, and the spray heads 12 are arranged at equal intervals, so that effective dust fall is facilitated; the extraction head 14 is made of stainless steel pipes, and through holes are uniformly arranged on the surface of the extraction head 14, so that extraction can be performed better.

The working process is as follows: the electric appliances used by the device all adopt an external power supply, when in use, gas containing gas can be extracted through the extraction pipe 13, at the moment, water enters the water inlet pipe 15, and simultaneously water can be sprayed out from the spray head 12 through the circulating pump 10, so that dust in the extracted gas can be effectively condensed through a water spraying mode, and the dust can be condensed and precipitated by adding a flocculating agent through the dosing pipe 16, and simultaneously the motor 3 can drive the pinion 4 to rotate, and the pinion 4 drives the gear wheel 5 to rotate, so that the stirrer 6 can be effectively stirred, the precipitated dust can conveniently enter the filter box 8 through the funnel 7, and at the moment, the dust is filtered through the filter screen 9, so that the cyclic utilization of water can be effectively realized, the overlarge water consumption is avoided, the extraction cost is reduced, the safety risk is effectively reduced, and because the gas is insoluble in water, the normal discharge of gas can not be disturbed yet, can separate gas and air simultaneously through gas separator 17, and the gas that separates like this gets into storage tank 19, can discharge through discharge pipe 20 this moment, and the air outlet duct that the while can be on gas separator 17 is discharged.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a coal mining gas prevention and control device, includes base (1), dust removal case (2) and bin (19), its characterized in that: the dust removal device is characterized in that the base (1) is fixedly connected with the dust removal box (2), the inner side bottom end of the dust removal box (2) is fixedly connected with the motor (3), the end of a main shaft of the motor (3) is fixedly connected with a pinion (4), the outer side of the pinion (4) is meshed with a gear wheel (5), the top end of the gear wheel (5) is fixedly connected with an agitator (6), the left end and the right end of the inner side of the bottom end of the dust removal box (2) are fixedly connected with a funnel (7), the outer side bottom end of the funnel (7) is fixedly connected with a filter box (8), the filter box (8) is fixedly connected with the base (1), the inner side of the filter box (8) is fixedly connected with a filter screen (9), the left side of the filter box (8) is fixedly connected with a circulating pump (10) through a connecting pipe, the, the spray pipe (11) is fixedly connected with the dust removal box (2), the bottom end of the spray pipe (11) is fixedly connected with a spray head (12) through a fixing plate, an extraction pipe (13) is fixedly connected to the inner side of the top end of the left side of the dust removal box (2), an extraction head (14) is fixedly connected to the left side of the extraction pipe (13), a water inlet pipe (15) is fixedly connected to the left side of the top end of the dust removing box (2), a dosing pipe (16) is fixedly connected to the right side of the top end of the dust removing box (2), the top end of the right side of the dust removing box (2) is fixedly connected with a gas separator (17) through a connecting pipe, the right side of the gas separator (17) is fixedly connected with a fan (18), the bottom end of the fan (18) is fixedly connected with a storage box (19), storage tank (19) and gas separator (17) fixed connection, storage tank (19) right side bottom fixed connection has blast pipe (20).

2. A gas control device for coal mining according to claim 1, characterized in that: the diameter of the big gear wheel (5) is twice of that of the small gear wheel (4).

3. A gas control device for coal mining according to claim 1, characterized in that: funnel (7) are narrow form setting under the upper width, funnel (7) and rose box (8) fixed connection, the number of funnel (7) is total 2, funnel (7) are bilateral symmetry and set up.

4. A gas control device for coal mining according to claim 1, characterized in that: the number of the spray heads (12) is 5 in total, and the spray heads (12) are arranged at equal intervals.

5. A gas control device for coal mining according to claim 1, characterized in that: the extraction head (14) is made of stainless steel pipes, and through holes are uniformly arranged on the surface of the extraction head (14).