CN109611142A - A rapid gas extraction and drainage device for underground gas in coal mines - Google Patents
A rapid gas extraction and drainage device for underground gas in coal mines Download PDFInfo
- Publication number
- CN109611142A CN109611142A CN201811484832.XA CN201811484832A CN109611142A CN 109611142 A CN109611142 A CN 109611142A CN 201811484832 A CN201811484832 A CN 201811484832A CN 109611142 A CN109611142 A CN 109611142A
- Authority
- CN
- China
- Prior art keywords
- pipe
- wind deflector
- gas
- movable
- air inlet
- 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.)
- Pending
Links
- 239000003245 coal Substances 0.000 title claims abstract description 21
- 238000000605 extraction Methods 0.000 title claims description 12
- 239000000428 dust Substances 0.000 claims abstract description 49
- 238000005086 pumping Methods 0.000 claims abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 41
- 239000007921 spray Substances 0.000 claims description 16
- 230000001629 suppression Effects 0.000 claims 10
- 238000007599 discharging Methods 0.000 claims 2
- 238000000151 deposition Methods 0.000 abstract description 39
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 abstract description 18
- 230000000740 bleeding effect Effects 0.000 abstract description 14
- 238000000034 method Methods 0.000 abstract description 8
- 230000002265 prevention Effects 0.000 abstract description 8
- 230000008569 process Effects 0.000 abstract description 7
- 230000008859 change Effects 0.000 abstract description 5
- 238000002485 combustion reaction Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 239000003595 mist Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000004079 fireproofing Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F7/00—Methods or devices for drawing- off gases with or without subsequent use of the gas for any purpose
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F5/00—Means or methods for preventing, binding, depositing, or removing dust; Preventing explosions or fires
- E21F5/02—Means or methods for preventing, binding, depositing, or removing dust; Preventing explosions or fires by wetting or spraying
- E21F5/04—Spraying barriers
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The invention discloses a kind of coal mine gas fire prevention fast pumping devices, including blast pipe and exhaust pipe, air inlet fan is provided on the inside of the blast pipe, and the rear end of blast pipe is provided with the first movable wind deflector, the end of the blast pipe is provided with depositing dust storehouse, and the outside of the bleeding point is arranged the second movable wind deflector, is provided with jet pipe on the inside of the depositing dust storehouse, return pipe is provided with below the depositing dust storehouse, the exhaust pipe is located at the rear end in depositing dust storehouse.Coal mine gas fire prevention fast pumping device is provided with the first movable wind deflector and the second movable wind deflector, the intake of methane gas can be included by mine at fresh air at the mobile adjusting change blast pipe to the first movable wind deflector and the second movable wind deflector and bleeding point in the use process of device, to suitably be diluted to the gas entered inside device, so that the gas density in device is maintained at safe concentration, prevents from causing gas combustion to explode in discharge process.
Description
Technical field
The present invention relates to coal mining correlative technology field, specially a kind of coal mine gas fire prevention fast pumping dress
It sets.
Background technique
During busy exploitation, it will usually generate more methane gas, the methane gas in coal mine road is not only
The health for influencing whether staff also has the danger of combustion explosion when gas density is higher, it is therefore desirable to mine
Interior methane gas carries out pump drainage, and existing coal mine gas exhaust device is the common exhaust fan general watt of use mostly
This is pumped, but cannot carry out certain control to the gas gas density during pump drainage, in gas density compared with Gao Shijin
Row pump drainage is also easy to that accident occurs, and influences coal mine production safety.
In view of the above-mentioned problems, carrying out innovative design on the basis of original coal mine gas prevents fires fast pumping device.
Summary of the invention
The purpose of the present invention is to provide a kind of coal mine gas fire prevention fast pumping devices, to solve above-mentioned background skill
It is proposed that gas exhaust device is not easy to the gas density of control pump drainage gas, is easy to happen unexpected problem in art.
To achieve the above object, the invention provides the following technical scheme: a kind of coal mine gas fire prevention fast pumping dress
It sets, including blast pipe and exhaust pipe, air inlet fan is provided on the inside of the blast pipe, and the rear end of blast pipe is provided with activity
Slot, and the first movable wind deflector is provided on the inside of movable slot, the end of the blast pipe is provided with depositing dust storehouse, and drops
It is provided with bleeding point on the outside of dirt storehouse, loose slot is provided on the outside of the bleeding point, and be provided with second on the inside of loose slot
Movable wind deflector is provided with jet pipe on the inside of the depositing dust storehouse, and is provided with spray orifice below jet pipe, and jet pipe rear end is arranged
There is water pump, is provided with return pipe below the depositing dust storehouse, and be provided with water tank below return pipe, and set on the inside of water tank
It is equipped with filter screen, the exhaust pipe is located at the rear end in depositing dust storehouse, and air blower is provided on the inside of exhaust pipe.
Preferably, the first movable wind deflector is provided between the blast pipe and depositing dust storehouse, and the first movable wind deflector exists
Slidable structure is constituted in movable slot.
Preferably, the left and right ends in the depositing dust storehouse are connected with each other with exhaust pipe and blast pipe respectively, and blast pipe and pumping
The end of comb is respectively arranged with air inlet fan and air blower.
Preferably, the structure of the described second movable wind deflector and bleeding point is coincide, and the second movable wind deflector and depositing dust storehouse
Between slidable structure constituted by loose slot.
Preferably, the jet pipe is evenly distributed on the inner upper in depositing dust storehouse, and spray orifice is evenly distributed with below jet pipe,
And water pump is provided between jet pipe and water tank.
Preferably, it is connected with each other between the water tank and the bottom in depositing dust storehouse by return pipe, and between water tank and water pump
It is provided with filter screen.
Compared with prior art, the fast pumping device the beneficial effects of the present invention are: the coal mine gas is prevented fires,
1, the first movable wind deflector and the second movable wind deflector, cooperation activity slot and work in the use process of device are provided with
Dynamic slot uses, and can change fresh sky at blast pipe by the mobile adjusting to the first movable wind deflector and the second movable wind deflector
Mine includes the intake of methane gas at gas and bleeding point, to suitably be diluted to the gas entered inside device, is protecting
While holding to methane gas progress pump drainage, so that the gas density in device is maintained at safe concentration, prevent from making in discharge process
It explodes at gas combustion；
2, it is provided with depositing dust storehouse, cooperates jet pipe, spray orifice and water pump to use in the use process of device, it can be in order in depositing dust storehouse
Interior ejection water mist carries out depositing dust processing to the dusty gas entered in device, while gas humidity can be improved, and plays certain
Fireproofing function, while return pipe, water tank and filter screen being cooperated to use, it can also subtract convenient for being recycled to depositing dust with water
The waste of few water resource, improves the practicability of device.
Detailed description of the invention
Fig. 1 is positive structure schematic of the present invention；
Fig. 2 is depositing dust storehouse front cross-sectional structural schematic diagram of the present invention；
Fig. 3 is jet pipe present invention looks up structural representation of the present invention；
Fig. 4 is the movable wind deflector structural schematic diagram of the present invention first；
Fig. 5 is the movable wind deflector structural schematic diagram of the present invention second.
In figure: 1, blast pipe；2, air inlet fan；3, movable slot；4, the first movable wind deflector；5, depositing dust storehouse；6, bleeding point；
7, loose slot；8, the second movable wind deflector；9, jet pipe；10, spray orifice；11, water pump；12, return pipe；13, water tank；14, filter screen；
15, exhaust pipe；16, air blower.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1-5 is please referred to, the present invention provides a kind of technical solution: a kind of coal mine gas fire prevention fast pumping device,
It is living including blast pipe 1, air inlet fan 2, the movable wind deflector 4 of movable slot 3, first, depositing dust storehouse 5, bleeding point 6, loose slot 7, second
Dynamic wind deflector 8, jet pipe 9, spray orifice 10, water pump 11, return pipe 12, water tank 13, filter screen 14, exhaust pipe 15 and air blower 16, into
The inside of air hose 1 is provided with air inlet fan 2, and the rear end of blast pipe 1 is provided with movable slot 3, and the inside of movable slot 3 is set
It is equipped with the first movable wind deflector 4, the end of blast pipe 1 is provided with depositing dust storehouse 5, and the outside in depositing dust storehouse 5 is provided with bleeding point 6,
The outside of bleeding point 6 is provided with loose slot 7, and the inside of loose slot 7 is provided with the second movable wind deflector 8, the inside in depositing dust storehouse 5
It is provided with jet pipe 9, and the lower section of jet pipe 9 is provided with spray orifice 10, and 9 rear end of jet pipe is provided with water pump 11, the lower section in depositing dust storehouse 5
It is provided with return pipe 12, and the lower section of return pipe 12 is provided with water tank 13, and the inside of water tank 13 is provided with filter screen 14, taken out
Comb 15 is located at the rear end in depositing dust storehouse 5, and the inside of exhaust pipe 15 is provided with air blower 16.
The first movable wind deflector 4 is provided between the blast pipe 1 and depositing dust storehouse 5 of this example, and the first movable wind deflector 4 is in work
Slidable structure is constituted in dynamic slot 3, convenient for adjusting by the first movable wind deflector 4 to the ventilation quantity of fresh air outside
Section.
The left and right ends in depositing dust storehouse 5 are connected with each other with exhaust pipe 15 and blast pipe 1 respectively, and blast pipe 1 and exhaust pipe 15
End be respectively arranged with air inlet fan 2 and air blower 16, convenient for by device and it is external carry out air-flow exchange, positioned at it is external into
Blower 2 and air blower 16 can avoid contact with the high methane concentration range in coal mine.
The structure of second movable wind deflector 8 and bleeding point 6 is coincide, and is passed through between the second movable wind deflector 8 and depositing dust storehouse 5
Loose slot 7 constitutes slidable structure, convenient for the extraction rate of gas is adjusted by the second movable wind deflector 8, convenient for matching
It closes first 4 pairs of gas gas densities entered inside device of movable wind deflector and is diluted control, avoid that gas combustion occurs.
Jet pipe 9 is evenly distributed on the inner upper in depositing dust storehouse 5, and the lower section of jet pipe 9 is evenly distributed with spray orifice 10, and sprays
Water pump 11 is provided between pipe 9 and water tank 13, convenient for carrying out depositing dust to the pit gas entered in device by spraying water mist, together
When to a certain degree improve device in humidity, play certain flameproof effect.
It is connected with each other between water tank 13 and the bottom in depositing dust storehouse 5 by return pipe 12, and is set between water tank 13 and water pump 11
It is equipped with filter screen 14, convenient for being recycled to the depositing dust in device with water.
Working principle: when using coal mine gas fire prevention fast pumping device, first by the power supply of device and electricity
Net is connected with each other, and air inlet fan 2 and air blower 16 are mounted on to external appropriate area according to Fig. 1, depositing dust storehouse 5 is mounted on
The region of drawing-off gas is needed in mine, can be begun to use.
In the use process of device according to Fig. 1-3, air inlet fan 2 can drive fresh air outside to pass through blast pipe
1 enter depositing dust storehouse 5 inside, while in mine containing methane gas can under the action of rear air blower 16 by bleeding point 6 into
Enter the inside of depositing dust storehouse 5 and fresh air mixing, prevent the gas density in gas is excessively high from causing certain danger, and water pump 11 can be with
It drives the liquid in water tank 13 by spraying after jet pipe 9 from spray orifice 10, dusty gas in the mine in depositing dust storehouse 5 is carried out at depositing dust
Reason, while gas humidity in depositing dust storehouse 5 is improved, certain flameproof effect is played, and the spray book fallen can be from return pipe
12 return to water tank 13, are reused that can provide feed pump 11 after the filtering of filter screen 14, and treated gas
Body can be discharged under the action of air blower 16 from exhaust pipe 15.
It, can also be by the first movable wind deflector 4 in movable slot 3 in conjunction with shown in Fig. 4-5 in the use process of device
In mobile adjusting change the air inlet rate of fresh air at blast pipe 1, while the second active catch outside adjustable bleeding point 6
Aerofoil 8, by the air inlet rate of the second movable wind deflector 8 pit gas at the mobile change bleeding point 6 in loose slot 7, from
And change the gas density for entering mixed gas in depositing dust storehouse 5, so that the methane gas in device is maintained at safe concentration range
Interior carry out pump drainage, the content being not described in detail in this specification belong to the prior art well known to professional and technical personnel in the field.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (6)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811484832.XA CN109611142A (en) | 2018-12-05 | 2018-12-05 | A rapid gas extraction and drainage device for underground gas in coal mines |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811484832.XA CN109611142A (en) | 2018-12-05 | 2018-12-05 | A rapid gas extraction and drainage device for underground gas in coal mines |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109611142A true CN109611142A (en) | 2019-04-12 |
Family
ID=66007294
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811484832.XA Pending CN109611142A (en) | 2018-12-05 | 2018-12-05 | A rapid gas extraction and drainage device for underground gas in coal mines |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109611142A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110821543A (en) * | 2019-11-18 | 2020-02-21 | 侯琛 | Explosion-proof ventilation unit for underground works |
| CN116378748A (en) * | 2023-05-18 | 2023-07-04 | 云南滇东雨汪能源有限公司 | Gas processing equipment and gas extraction method |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0842300A (en) * | 1994-07-27 | 1996-02-13 | Fujita Corp | Dust removal processing method and dust removal processing device in tunnel construction |
| JP2006239693A (en) * | 2006-06-05 | 2006-09-14 | Sakamoto Shokai:Kk | Wet dust collector |
| CN203035202U (en) * | 2012-12-06 | 2013-07-03 | 内蒙古福城矿业有限公司 | Far-pressing-near-absorption dedusting system of fully mechanized excavation face |
| CN203145986U (en) * | 2013-03-12 | 2013-08-21 | 河南理工大学 | Compressed air diverting wall-attached air ventilator capable of adjusting air volume |
| CN204253093U (en) * | 2014-10-23 | 2015-04-08 | 董永华 | A kind of cleaning type ventilation fan for colliery face |
| CN207892642U (en) * | 2018-03-03 | 2018-09-21 | 周华梅 | A kind of underground wet scrubber |
| CN208153050U (en) * | 2018-05-10 | 2018-11-27 | 永贵能源开发有限责任公司新田煤矿 | A kind of coal mine spray dust remover |
-
2018
- 2018-12-05 CN CN201811484832.XA patent/CN109611142A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0842300A (en) * | 1994-07-27 | 1996-02-13 | Fujita Corp | Dust removal processing method and dust removal processing device in tunnel construction |
| JP2006239693A (en) * | 2006-06-05 | 2006-09-14 | Sakamoto Shokai:Kk | Wet dust collector |
| CN203035202U (en) * | 2012-12-06 | 2013-07-03 | 内蒙古福城矿业有限公司 | Far-pressing-near-absorption dedusting system of fully mechanized excavation face |
| CN203145986U (en) * | 2013-03-12 | 2013-08-21 | 河南理工大学 | Compressed air diverting wall-attached air ventilator capable of adjusting air volume |
| CN204253093U (en) * | 2014-10-23 | 2015-04-08 | 董永华 | A kind of cleaning type ventilation fan for colliery face |
| CN207892642U (en) * | 2018-03-03 | 2018-09-21 | 周华梅 | A kind of underground wet scrubber |
| CN208153050U (en) * | 2018-05-10 | 2018-11-27 | 永贵能源开发有限责任公司新田煤矿 | A kind of coal mine spray dust remover |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110821543A (en) * | 2019-11-18 | 2020-02-21 | 侯琛 | Explosion-proof ventilation unit for underground works |
| CN110821543B (en) * | 2019-11-18 | 2021-04-27 | 江苏坚威防护工程科技有限公司 | Explosion-proof ventilation unit for underground works |
| CN116378748A (en) * | 2023-05-18 | 2023-07-04 | 云南滇东雨汪能源有限公司 | Gas processing equipment and gas extraction method |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190412 |