CN208203340U - A kind of coal mine work area gas closure inhibition comprehensive treatment system - Google Patents

A kind of coal mine work area gas closure inhibition comprehensive treatment system Download PDF

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Publication number
CN208203340U
CN208203340U CN201721893087.5U CN201721893087U CN208203340U CN 208203340 U CN208203340 U CN 208203340U CN 201721893087 U CN201721893087 U CN 201721893087U CN 208203340 U CN208203340 U CN 208203340U
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China
Prior art keywords
liquid
inhibits
work area
treatment system
spray head
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CN201721893087.5U
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Chinese (zh)
Inventor
林海飞
丁洋
赵鹏翔
刘超
成连华
双海清
严欢
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Xian University of Science and Technology
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Xian University of Science and Technology
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Abstract

The utility model discloses a kind of coal mine work area gas closure inhibition comprehensive treatment system, including air block wall and flusher;Air block wall is set to flusher two sides;Air block wall includes air brick, and air brick is connected by a snap, and air brick is equipped with aeration aperture and bleeder port;Flusher includes hydraulic support, coal cutting roller, liquid reserve tank, inhibits liquid pump and spray head, and liquid reserve tank is for holding inhibition liquid;Coal cutting roller is set to hydraulic support side, and spray head is set to hydraulic support two sides, inhibits liquid pump to be set between spray head and liquid reserve tank, and by inhibiting liquid transport pipeline to be connected to spray head and liquid reserve tank.Scheme in the utility model improves traditional corner plugging technology, in such a way that air brick snaps connection and to form air block wall, realizes the fast and efficiently closure of corner, and reusable;Work at the same time the traditional gas control technology of the methodological innovation that face sprinkling inhibits liquid to inhibit gas release, the multiple effect for having reached inhibition, having delayed.

Description

A kind of coal mine work area gas closure inhibition comprehensive treatment system
Technical field
The utility model relates to underground coal mine face gas Treatment process fields, more particularly to a kind of coal mine work area Gas, which blocks, inhibits comprehensive treatment system.
Background technique
Coal mine gas explosion is the main threat for threatening China's coal-mine safety in production.By research of technique in recent years, System, management innovation, safety of coal mines situation gradually take a favorable turn.Nevertheless, the fatality rate per million tons of China's coal-mine still occupy It is high not under, and there is a big difference with western developed country compared with.Since gas accident is destructive strong, casualties is more, caused by Economic loss is big, and coal mining depth is stepped up, and gas pressure and gas emission sharply increase, and gas preventing and control situation is still It is so severe.
The draft type of China's major part coal mine work area is U-typed at present, and the gas of working face is working face and mined out Produced by the coal body desorption in area.Under U-typed ventilation condition, distinguished and admirable into working face is divided into two parts, and a part is along work Surface current is dynamic;Another part enters goaf, and in the latter half of working face, into the distinguished and admirable carrying goaf in goaf Gas gradually returns to working face together.On the one hand the gas in control face is being reduced into the distinguished and admirable of goaf, is being blocked simultaneously The distinguished and admirable of working face firmly is returned to from goaf, the source for blocking gas at upper corner to transfinite;On the one hand to inhibit working face coal body, adopt Dead zone Sub-Level Caving and the desorption of mash gas for losing coal, reduce the release of gas.Therefore, it reduces goaf gas to pour in working face, press down The desorption of stope coal gas processed for ensureing the life and health of personnel in the pit, preventing accident that it is particularly important to occur, and is adopted at present With windbreak heavy workload low efficiency, screen is subject to destroy, and gas density is fluctuated, extremely unstable, forms peace The big hidden danger of one produced entirely.
Summary of the invention
In order to solve the above technical problems, the utility model provides a kind of coal mine work area gas closure inhibition comprehensive treatment system System by the way of sprinkling gas inhibits liquid after up and down corners closure and frame side arm, realizes that reducing goaf to greatest extent leaks Wind blocks goaf gas to working face return flow line, while slowing down working face and the release of goaf coal gas, reaches guarantee The purpose of working face safety in production.
To achieve the above object, the utility model provides following scheme:
The utility model, which provides a kind of coal mine work area gas and blocks, inhibits comprehensive treatment system, including air block wall and Flusher;The air block wall is set to flusher two sides up and down;The air block wall includes multiple air Brick is connected by a snap between the air brick, is provided with aeration aperture and bleeder port on the air brick;The flusher packet It includes hydraulic support, coal cutting roller, liquid reserve tank, inhibit liquid pump and spray head, the liquid reserve tank is for holding inhibition liquid;The coal cutting rolling Cylinder is set to the hydraulic support side, and the spray head is set to the hydraulic support two sides, and the inhibition liquid pump is set to institute It states between spray head and the liquid reserve tank, and by inhibiting liquid transport pipeline to be connected to the spray head and the liquid reserve tank.
Optionally, the entrance for inhibiting liquid pump is connected to by the first inhibition liquid transport pipeline with the liquid reserve tank, described The outlet of liquid pump is inhibited to be connected to by the second inhibition liquid transport pipeline with the spray head.
Optionally, filter is provided on the first inhibition liquid transport pipeline.
Optionally, the second inhibition liquid transport pipeline includes the first branch and second branch, the first branch connection The spray head positioned at hydraulic support coal body side, the second branch connection is different from described in hydraulic support coal body side Spray head.
Optionally, the first high-pressure ball valve and hydraulic pressure gage are provided on the second inhibition liquid transport pipeline, described the One road is provided with the second high-pressure ball valve, and third high-pressure ball valve is provided in the second branch.
Optionally, the air block wall is set to above and below the flusher.
It optionally, further include loading line, the loading line is used to inflate for the air brick.
Optionally, gas gauge is provided on the loading line.
Optionally, safety valve is provided at the bleeder port.
A kind of method for blocking using coal mine work area gas and inhibiting comprehensive treatment system is also disclosed in the utility model, including The application method of air block wall and the application method of flusher;
The application method of the air block wall, includes the following steps:
Step 1: the quantity of air brick needed for being calculated according to the space size of upper corner and lower corner, by the air brick It is transported to upper corner and lower corner, the air brick is connected by a snap as an entirety;
Step 2: the air brick is inflated according to inflation sequence from bottom to up, the loading line is connected It is inflated to the aeration aperture, while observing the gas gauge, stop inflation after reaching specified air pressure, by all institutes It states air brick and is charged to nominal pressure, the air brick interconnected forms the air block wall, it is ensured that the air blocks Wall fills the space of full entire corner or more;Pressure in air brick is caused to exceed peace if rock stratum is caving above the air block wall Gamut, then safety valve, which is opened, discharges air in air brick until reaching rated pressure again;
Step 3: working face constantly promotes, and the air block wall also needs to move forward, and opens bleeder port manually at this time, A certain amount of gas in air brick described in the top is discharged, it is whole after when part, the air block wall is separated with corner coal body The mobile air block wall carries out the operation of step 1 to designated position again.
The application method of the flusher, includes the following steps:
Step 1: it before opening flusher, determines and inhibits the one circulation suppression of the type of liquid and the every propulsion of coal working face The dosage of liquid processed;
Step 2: add to the liquid reserve tank and inhibit liquid and water, be sufficiently stirred to form inhibition liquid, situation one: the coal cutting rolling Cylinder work, opens the inhibition liquid pump, first high-pressure ball valve, second high-pressure ball valve and the third high-pressure ball valve, Inhibit liquid after the inhibitions liquid pump pressurizes and the filter filters, by the spray head on the hydraulic support to adopting Coal sprinkling is lost in dead zone, is sprayed by the spray head of coal cutting roller side to new coal mining body;Situation two: the non-work of coal cutting roller Make, open the inhibition liquid pump, first high-pressure ball valve and the third high-pressure ball valve, liquid is inhibited to pass through the inhibition liquid pump After pressurization and filter filtering, sprayed by the spray head on hydraulic support to Residual coal in goaf.
The utility model achieves following technical effect compared with the existing technology:
It includes that air blocks that coal mine work area gas in the utility model, which blocks inhibition comprehensive treatment system primary structure, Wall and flusher;Air block wall is set between the upper corner of flusher and coal body and lower corner, and flusher is isolated Front and rear sides.Coal mine work area gas in the utility model, which blocks, inhibits comprehensive treatment system, improves traditional corner envelope Deblocking technology realizes the fast and efficiently closure of corner in such a way that air brick snaps connection and to form air block wall, and And it is reusable;The traditional gas control technology of the methodological innovation that face sprinkling inhibits liquid to inhibit gas release is worked at the same time, The multiple effect for having reached inhibition, having delayed.The utility model advanced optimizes face gas Treatment process method, improves The safe coefficient of shaft production.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only the utility model Some embodiments for those of ordinary skill in the art without any creative labor, can also basis These attached drawings obtain other attached drawings.
Fig. 1 is the overall schematic that coal mine work area gas blocked-inhibited comprehensive treatment system in the utility model.
Fig. 2 is the scheme of installation of corner air block wall in the utility model.
Fig. 3 is working surface hydraulic support rear portion atomizer and the installation of coal cutting drum overhead atomizer in the utility model Schematic diagram.
In figure, 1, air block wall, 2, spray head, 3, hydraulic support, 4, coal cutting roller, 5, liquid is inhibited to transport pipeline, 6, the One high-pressure ball valve, the 7, second high-pressure ball valve, 8, third high-pressure ball valve, 9, hydraulic pressure gage, 10, filter, 11, inhibition liquid pump, 12, liquid reserve tank, 13, air brick, 14, safety valve, 15, buckle, 16, bleeder port, 17, aeration aperture, 18, gas gauge, 19, fill Air pipe, 20, coal body.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.
Embodiment one:
Inhibit comprehensive treatment system, including air as shown in Figure 1, blocking the present embodiment provides a kind of coal mine work area gas Block wall 1 and flusher;The air block wall 1 is set to flusher two sides up and down;The air block wall 1 wraps Multiple air bricks 13 are included, is connected between the air brick 13 by buckle 15, is provided with 17 He of aeration aperture on the air brick 13 Bleeder port 16;The flusher includes hydraulic support 3, coal cutting roller 4, liquid reserve tank 12, inhibits liquid pump 11 and spray head 2, described Liquid reserve tank 12 is for holding inhibition liquid;The coal cutting roller 4 is set to 3 side of hydraulic support, and the spray head 2 is set to institute 3 two sides of hydraulic support are stated, the inhibition liquid pump 11 is set between the spray head 2 and the liquid reserve tank 12, and by inhibiting liquid Transport pipeline is connected to the spray head 2 and the liquid reserve tank 12.
In this specific embodiment, as shown in Figure 1-3, the entrance for inhibiting liquid pump 11 inhibits liquid delivery tube by first Road is connected to the liquid reserve tank 12, and the outlet for inhibiting liquid pump 11 inhibits liquid transport pipeline and the spray head 2 to connect by second It is logical;Filter 10 is provided on the first inhibition liquid transport pipeline;The second inhibition liquid transport pipeline includes the first branch And second branch, the first branch connection are located at the spray head 2 of 3 coal body of hydraulic support, 20 side, the second branch It is connected to the spray head 2 different from 3 coal body of hydraulic support, 20 side;It is high that first is provided on the second inhibition liquid transport pipeline Pressure ball valve 6 and hydraulic pressure gage 9 are provided with the second high-pressure ball valve 7 in the first branch, are provided in the second branch Three high-pressure ball valves 8;The air block wall 1 is set to above and below the flusher;It further include loading line 19, institute State loading line 19 for for the air brick 13 inflation;Gas gauge 18 is provided on the loading line 19;It is described to let out Safety valve 14 is provided at stomata 16.
The present embodiment also provides a kind of method for blocking using coal mine work area gas and inhibiting comprehensive treatment system, including sky The application method of sealing gland wall 1 and the application method of flusher;
The application method of the air block wall 1, includes the following steps:
Step 1: the quantity of air brick 13 needed for being calculated according to the space size of upper corner and lower corner, by the air Brick 13 is transported to upper corner and lower corner, and the air brick 13 is connected as an entirety by buckle 15;
Step 2: the air brick 13 is inflated according to inflation sequence from bottom to up, by the loading line 19 It is connected to the aeration aperture 17 to be inflated, while observing the gas gauge 18, stop inflation after reaching specified air pressure, All air bricks 13 are charged to nominal pressure, the air brick 13 interconnected forms the air block wall 1, it is ensured that The air block wall 1 fills the space of full entire corner or more;If the 1 top rock stratum of air block wall, which is caving, causes air Pressure exceeds safe range in brick 13, then safety valve 14, which is opened, discharges air in air brick 13 until reaching rated pressure again;
Step 3: working face constantly promotes, and the air block wall 1 also needs to move forward, and opens bleeder port manually at this time 16, a certain amount of gas in air brick 13 described in the top is discharged, when the part air block wall 1 is separated with corner coal body 20 Afterwards, the air block wall 1 is moved integrally to designated position, carries out the operation of step 1 again.
The application method of the flusher, includes the following steps:
Step 1: it before opening flusher, determines and inhibits the one circulation suppression of the type of liquid and the every propulsion of coal working face The dosage of liquid processed;
Step 2: to the liquid reserve tank 12 plus inhibit liquid and water, be sufficiently stirred to form inhibition liquid, situation one: the coal cutting Roller 4 works, and it is high to open the inhibition liquid pump 11, first high-pressure ball valve 6, second high-pressure ball valve 7 and the third Pressure ball valve 8 inhibits liquid after the inhibition liquid pump 11 pressurizes and the filter 10 filters, by the hydraulic support 3 The spray head 2 to Residual coal in goaf spray, sprayed by the spray head 2 of 4 side of coal cutting roller to new coal mining body 20;Situation Two: the coal cutting roller 4 does not work, opens the inhibition liquid pump 11, first high-pressure ball valve 6 and the third high-pressure ball valve 8, inhibit liquid by the inhibitions liquid pump 11 pressurize and the filtering of the filter 10 after, by the spray head 2 on hydraulic support 3 to adopting Lose coal sprinkling in dead zone.
It applies specific case in this specification to be expounded the principles of the present invention and embodiment, the above reality The explanation for applying example is merely used to help understand the method and its core concept of the utility model;Meanwhile for the general of this field Technical staff, based on the idea of the present invention, there will be changes in the specific implementation manner and application range.To sum up institute It states, the content of the present specification should not be construed as a limitation of the present invention.

Claims (9)

1. a kind of coal mine work area gas, which blocks, inhibits comprehensive treatment system, which is characterized in that including air block wall and sprinkling Device;The air block wall is set to flusher two sides up and down;The air block wall includes multiple air bricks, institute It states and is connected by a snap between air brick, be provided with aeration aperture and bleeder port on the air brick;The flusher includes liquid It presses bracket, coal cutting roller, liquid reserve tank, inhibit liquid pump and spray head, the liquid reserve tank is for holding inhibition liquid;The coal cutting roller is set It is placed in the hydraulic support side, the spray head is set to the hydraulic support two sides, and the inhibition liquid pump is set to the spray Between head and the liquid reserve tank, and by inhibiting liquid transport pipeline to be connected to the spray head and the liquid reserve tank.
2. coal mine work area gas according to claim 1, which blocks, inhibits comprehensive treatment system, which is characterized in that the suppression The entrance of liquid pump processed is connected to by the first inhibition liquid transport pipeline with the liquid reserve tank, and the outlet for inhibiting liquid pump passes through second Liquid transport pipeline is inhibited to be connected to the spray head.
3. coal mine work area gas according to claim 2, which blocks, inhibits comprehensive treatment system, which is characterized in that described the Filter is provided on one inhibition liquid transport pipeline.
4. coal mine work area gas according to claim 3, which blocks, inhibits comprehensive treatment system, which is characterized in that described the Two inhibition liquid transport pipelines include the first branch and second branch, and the first branch connection is located at hydraulic support coal body side The spray head, the spray head of the second branch connection different from hydraulic support coal body side.
5. coal mine work area gas according to claim 4, which blocks, inhibits comprehensive treatment system, which is characterized in that described the It is provided with the first high-pressure ball valve and hydraulic pressure gage on two inhibition liquid transport pipelines, the second high pressure is provided in the first branch Ball valve is provided with third high-pressure ball valve in the second branch.
6. coal mine work area gas according to claim 1, which blocks, inhibits comprehensive treatment system, which is characterized in that the sky Sealing gland wall is set to above and below the flusher.
7. coal mine work area gas according to claim 1, which blocks, inhibits comprehensive treatment system, which is characterized in that further include Loading line, the loading line are used to inflate for the air brick.
8. coal mine work area gas according to claim 7, which blocks, inhibits comprehensive treatment system, which is characterized in that described to fill Gas gauge is provided on air pipe.
9. coal mine work area gas according to claim 1, which blocks, inhibits comprehensive treatment system, which is characterized in that described to let out Safety valve is provided at stomata.
CN201721893087.5U 2017-12-28 2017-12-28 A kind of coal mine work area gas closure inhibition comprehensive treatment system Expired - Fee Related CN208203340U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107965346A (en) * 2017-12-28 2018-04-27 西安科技大学 A kind of coal mine work area gas closure suppresses comprehensive treatment system and method
CN112963192A (en) * 2021-03-25 2021-06-15 西安科技大学 Circulating flame-retardant device and method for goaf under mine
CN117052412A (en) * 2023-10-10 2023-11-14 太原理工大学 Gob-side entry driving method for high-gas coal seam

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107965346A (en) * 2017-12-28 2018-04-27 西安科技大学 A kind of coal mine work area gas closure suppresses comprehensive treatment system and method
CN112963192A (en) * 2021-03-25 2021-06-15 西安科技大学 Circulating flame-retardant device and method for goaf under mine
CN112963192B (en) * 2021-03-25 2023-03-14 西安科技大学 Circulating flame-retardant device and method for goaf under mine
CN117052412A (en) * 2023-10-10 2023-11-14 太原理工大学 Gob-side entry driving method for high-gas coal seam
CN117052412B (en) * 2023-10-10 2023-12-12 太原理工大学 Gob-side entry driving method for high-gas coal seam

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Granted publication date: 20181207