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 PDFInfo
- 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
- Authority
- CN
- China
- Prior art keywords
- liquid
- inhibits
- work area
- treatment system
- spray head
- 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.)
- Expired - Fee Related
Links
- 239000003245 coal Substances 0.000 title claims abstract description 63
- 230000005764 inhibitory process Effects 0.000 title claims abstract description 37
- 239000007788 liquid Substances 0.000 claims abstract description 85
- 239000011449 brick Substances 0.000 claims abstract description 36
- 239000007921 spray Substances 0.000 claims abstract description 33
- 238000005520 cutting process Methods 0.000 claims abstract description 16
- 230000002401 inhibitory effect Effects 0.000 claims abstract description 10
- 238000005273 aeration Methods 0.000 claims abstract description 7
- 230000001629 suppression Effects 0.000 claims description 3
- 210000004907 gland Anatomy 0.000 claims description 2
- 238000007789 sealing Methods 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 3
- 230000003111 delayed effect Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 16
- 230000000903 blocking effect Effects 0.000 description 4
- 238000003795 desorption Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000005065 mining Methods 0.000 description 3
- 239000003034 coal gas Substances 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000001066 destructive effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Landscapes
- Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
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
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.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201721893087.5U CN208203340U (en) | 2017-12-28 | 2017-12-28 | A kind of coal mine work area gas closure inhibition comprehensive treatment system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201721893087.5U CN208203340U (en) | 2017-12-28 | 2017-12-28 | A kind of coal mine work area gas closure inhibition comprehensive treatment system |
Publications (1)
Publication Number | Publication Date |
---|---|
CN208203340U true CN208203340U (en) | 2018-12-07 |
Family
ID=64490933
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201721893087.5U Expired - Fee Related CN208203340U (en) | 2017-12-28 | 2017-12-28 | A kind of coal mine work area gas closure inhibition comprehensive treatment system |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN208203340U (en) |
Cited By (3)
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 |
-
2017
- 2017-12-28 CN CN201721893087.5U patent/CN208203340U/en not_active Expired - Fee Related
Cited By (5)
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 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN208203340U (en) | A kind of coal mine work area gas closure inhibition comprehensive treatment system | |
CN104100292B (en) | Regional forced gas extraction method for single low-permeability outburst thick coal seam | |
US9016983B2 (en) | Method for preventing shield casing jamming due to too large frictional resistance in earth pressure balance shield machine | |
CN105114116B (en) | A kind of hydrothermal reaction coupling pressure break strengthening region gas pumping method | |
CN103696800A (en) | Drilling, cutting, pressing and pumping method | |
CN103899350B (en) | Fully mechanized coal face frame carries top coal gas drainage system | |
CN107327303B (en) | Slurry cabin pressure maintaining method and device for slurry shield machine | |
CN104088638B (en) | Large-inclination-angle coal bed longwell large-mining-height working surface coal wall caving and roof fall control technology | |
CN102606190A (en) | Method and device for using downward crossing hole to eliminate outburst in mining of coal mine | |
CN107965346A (en) | A kind of coal mine work area gas closure suppresses comprehensive treatment system and method | |
CN103628892B (en) | A kind of initiating device for shield machine being furnished with adjustable sealing | |
CN207813560U (en) | Coal seam waterpower buckling hole packer | |
CN105003294B (en) | One kind is based on hydrothermal reaction coupling pressure break coal body coal uncovering method | |
CN205577925U (en) | A layer drilling hole sealing device is worn in gas stifled and middle water seal in two for coal mine | |
CN202544799U (en) | Blowout prevention device for safety drilling in coal bed | |
CN103993901B (en) | A kind of projecting coal bed drilling waterpower is handled up anti-reflection method | |
CN203430570U (en) | Combined air sac following type rapid plugging device for upper/lower corner of highly gassy mine or coal and gas outburst mine | |
CN110529142B (en) | Deep roadway floor heave control device and method based on intelligent hydraulic bag | |
CN208073542U (en) | One body swimming qi leel for pernicious gas tunnel is from four-way box | |
CN202381101U (en) | Screw conveyer gate safety device | |
CN108679043B (en) | Crusher oil cylinder and sealing monitoring system thereof | |
CN108561176A (en) | A kind of mash gas pumping drilling automatic sparse blocks up permeability improvement device and method | |
CN203669877U (en) | Shield tunneling machine starting device with adjustable seal in matched mode | |
CN105507937B (en) | A kind of water jet coal seam cutting spray orifice processing unit | |
CN206844229U (en) | A kind of blower pump for pipeline position is higher than the fire cistern of water level |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181207 |