CN102628370A - Mobile natural ventilation and gas collecting device for underground mine - Google Patents
Mobile natural ventilation and gas collecting device for underground mine Download PDFInfo
- Publication number
- CN102628370A CN102628370A CN2012101144114A CN201210114411A CN102628370A CN 102628370 A CN102628370 A CN 102628370A CN 2012101144114 A CN2012101144114 A CN 2012101144114A CN 201210114411 A CN201210114411 A CN 201210114411A CN 102628370 A CN102628370 A CN 102628370A
- Authority
- CN
- China
- Prior art keywords
- dust
- hole
- gas gathering
- inclined tube
- pipeline
- 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
Images
Landscapes
- Ventilation (AREA)
Abstract
A mobile natural ventilation and gas collecting device for an underground mine aims to discharge dust and harmful gases safely, reliably and efficiently and comprises a rain cover, a vent pipe, a dust remover and a pressurized axial flow fan, wherein the dust remover comprises a first level dust settling pocket, a second level dust settling pocket and a third level dust settling pocket; the vent pipe comprises an underground pipeline and a riser and an inclined pipe positioned on the ground; the underground pipeline is an elliptical pipe and is connected with the inclined pipe through a reducing elbow arranged at an exit on the ground, and the upper end of the inclined pipe is connected with the riser; an air outlet is arranged on the top of the riser, and the rain cover is arranged at the air outlet; a duckbill dust collecting port is arranged at the innermost end of the underground pipeline; the three levels of dust settling pockets are arranged along the vent pipe; the first level dust settling pocket is arranged in the underground pipeline and is 10 meters away from the duckbill dust collecting port, and the second level dust settling pocket is arranged at the curve position of the upward turning position of the underground pipeline, and the third level dust settling pocket is arranged on the inclined pipe and close to the upper end; the upper sides of the dust settling pockets are connected to the vent pipe through a tee interface; and the pressurized axial flow fan is arranged on the inclined pipe and close to the reducing elbow.
Description
Technical field
The present invention relates to a kind of underground mine ventilation installation.
Technical background
At present the underground mine ventilation installation mostly adopts mechanical forced ventilation equipment, and its weak point is that mechanical ventilation equipment is difficult to handle pernicious gas gas and the dust in the tunnel etc.Reason is to blow outward by blowing, and airborne dust is big, and pernicious gas is walked in the tunnel; Produce great amount of heat, magnetic field and vibrations during the blowing apparatus running, form the heating power obstacle, the hole outer air can not be got in the tunnel swimmingly; Pernicious gas in the tunnel and dust can not in time all be discharged to outside the hole, impact the workman is healthy, have reduced miner's physical efficiency; Also just reduce the production efficiency in mine, had potential safety hazard.Especially at the coal mining initial stage, the easiest generation gas explosion in not having the headwork in airway.Simultaneously, blowing apparatus causes that energy consumption is high, noise big, maintenance cost etc., has increased the cost of enterprise production.Because there are a plurality of electricity-linkingup points in blowing apparatus, causes probability on fire also corresponding to higher, therefore there is certain potential safety hazard.Existing ventilation equipment are the ventilation system of relay-type mostly, and when a device fails was arranged, whole ventilation system was in paralyzed state, and influence is produced and safety.
Summary of the invention
The objective of the invention is to overcome the deficiency of above-mentioned prior art, a kind of simple, safe and reliable, natural ventilation of underground mine packaged type and the gas gathering-device that can effectively get rid of dust and pernicious gas is provided.
The present invention includes canopy, air chimney, dust arrester, pressurized axial flow blower fan, gas gathering-device and operation room; Dust arrester comprises one-level, secondary, 3-stage dust-removal bag; Air chimney comprises down-hole pipeline and the vertical tube, the inclined tube that rest on the ground; The down-hole pipeline is an oval pipe, and inclined tube and vertical tube are round tube; Vertical tube is perpendicular to ground; The down-hole pipeline is connected with inclined tube through the reducing bend that is located at the floor outlet place, and the inclined tube upper end is connected with vertical tube; The vertical tube top is an air outlet, and canopy is equipped with at the air outlet place; The inner end of down-hole pipeline is the duck suction port, and the duck suction port can increase the area of suction port; Air chimney is a complete sealed pipe completely from the duck suction port to the vertical tube top outlet inlet; Air chimney is provided with the 3-stage dust-removal bag along the line; The primary dust removing bag is located at apart from about 10 meters of duck suction port, and the two-stage dust removal bag is located at the bend place that the down-hole pipeline upwards turns head, and the 3-stage dust-removal bag is located on the inclined tube near upper end.The dust settling pocket top is connected on the air chimney through three-way interface, mainly is used for collecting dust.The pressurized axial flow blower fan is located on the inclined tube near the reducing bend place, mainly is when weather conditions cause the vertical tube draft not enough, to start, and normally moves with safeguards system.
Be provided with the gas gathering-device at the inclined tube upper end; The gas gathering-device comprises collecting bin, spark arrester, acoustic control valve, gas alarm and electric heater; Both sides, collecting bin bottom are provided with pipe joint; The gas gathering-device is connected on the inclined tube through pipe joint, and the collecting bin top is provided with floss hole, and floss hole is provided with spark arrester and acoustic control valve; Collecting bin top is provided with gas alarm near the floss hole place, and the collecting bin bottom is provided with electric heater; Because gas proportion lta, Device in Gas is upwards moved because of concentration is higher relatively naturally, and in collecting bin, forms gas accumulation; Gather finite concentration, gas alarm is reported to the police, the acoustic control opening of valves; Gas is discharged to collect through floss hole again and is utilized, and changes harmful to treasure.The heating-up temperature of electric heater be 10-20 degree Celsius (℃), can make the collecting bin bottom temp higher than environment temperature, the separation and the come-up that more help methane gas are collected.
(be gas gathering-device below) is provided with operation room below inclined tube and vertical tube junction, the junction of easy access gas gathering-device and vertical tube and inclined tube, and vertical tube played the support fixation effect.The riser support that vertical tube is played the support fixation effect also is fixed on the operation room.
The down-hole pipeline is the hermetically sealed pipeline of wear-resisting, etch-proof high tenacity, is located at the top, tunnel usually.According to actual needs, on the pipeline of down-hole lateral can be set again, each pipeline enclosure is connected.The down-hole pipeline can prolong the down-hole pipe-line through the mode that union connects lateral or prolongs trunk line.
The present invention utilizes the natural suction force of vertical tube; Pernicious gas and dust extraction through air chimney is higher with near the temperature coal-face are gone; The outer lower new apparent air of temperature of mine gets into and flows near the work plane in the well always; Form natural convection, thoroughly solved the air quality problems of workplace in the tunnel, thereby avoided the healthy and various potential safety hazards of harm workman that cause owing to improper ventilation.This natural ventilation system can be removable along with mining progress, with the decay naturally of the long sealing state of reply pipeline.
The present invention is applicable to the driving in colliery digging and tunnel, because of natural ventilation, has reduced a large amount of equipment and capital investment, and the investment of ventilation system can be saved about 75%.The present invention is simple, safe and reliable, can effectively get rid of dust and pernicious gas, can stop coal mine gas from explosion basically, ensured operating personnel's personal safety in the tunnel; Reduced energy consumption, reduced maintenance load and stopping production number of times, improved economic benefit of enterprises, effects of energy saving and emission reduction is obvious.
Description of drawings
Fig. 1 is a general structure sketch map of the present invention.
Fig. 2 is a gas gathering-device structural representation.
Among the figure: 1, canopy, 2, air outlet, 3, vertical tube, 4, riser support, 5, operation room, 6, the gas gathering-device; 7,3-stage dust-removal bag, 8, the pressurized axial flow blower fan, 9, inclined tube, 10, reducing bend, 11, the two-stage dust removal bag, 12, union; 13, primary dust removing bag, 14, the duck suction port, 15, the branch heading, down-hole, 16, master tunnel, down-hole, 17, coal-face; 18, down-hole pipeline, 19, pithead, 20, the face of land, 21, spark arrester, 22, the acoustic control valve; 23, floss hole, 24, gas alarm, 25, collecting bin, 26,27, pipe joint, 28, electric heater.
The specific embodiment
Down-hole pipeline 18 is an extension type, can follow face advance and move.When master tunnel, down-hole 16 was connected with branch heading, down-hole 15, down-hole pipeline 18 was connected through the branch duct road that is provided with in union 12 and the branch heading, down-hole 15.Locating near ground, down-hole pipeline 18 joins through reducing bend 10 and inclined tube 9, and down-hole pipeline 18 is oval, and short diameter is 400-500mm, and long diameter is 1500-2000mm, is provided with support in the pipe.Vertical tube 3 is positive round tube with inclined tube 9.Vertical tube 3 all is not less than 400mm with inclined tube 9 diameters.The height of vertical tube 3 is generally more than 50 meters.Inclined tube 9 is generally 12-15 degree with the angle of inclination on ground.
Canopy 1 is a umbrella hood, and purpose is to prevent that wind, rain, snow-broth from getting into vertical tube 3 and causing the down draught phenomenon.Pressurized axial flow blower fan 8 is not opened usually, just has influence at overcast and rainy, calm and atmospheric gas pressure and just opens when vertical tube 3 drafts diminish, to guarantee the normal operation of system.Other parts that are arranged on ground vertical tube 3, operation room 5, inclined tube 9 and pipeline and are are packaged type, can move along with the change in location of pithead 19.Electric heater 28 improves the temperature of collecting bin 25 bottoms at 10-20 ℃, and the come-up that more helps methane gas is collected.
Claims (8)
1. underground mine packaged type natural ventilation and gas gathering-device is characterized in that comprising canopy, air chimney, dust arrester, pressurized axial flow blower fan; Dust arrester comprises one-level, secondary, 3-stage dust-removal bag; Air chimney comprises down-hole pipeline and the vertical tube, the inclined tube that rest on the ground; The down-hole pipeline is an oval pipe, and inclined tube and vertical tube are round tube; Vertical tube is perpendicular to ground; The down-hole pipeline is connected with inclined tube through the reducing bend that is located at the floor outlet place, and the inclined tube upper end is connected with vertical tube; The vertical tube top is an air outlet, and canopy is equipped with at the air outlet place; The inner end of down-hole pipeline is the duck suction port; Air chimney is provided with the 3-stage dust-removal bag along the line; The primary dust removing bag is located at the down-hole pipeline apart from 10 meters of duck suction port, and the two-stage dust removal bag is located at the bend place that the down-hole pipeline upwards turns head, and the 3-stage dust-removal bag is located on the inclined tube near upper end; The dust settling pocket top is connected on the air chimney through three-way interface; The pressurized axial flow blower fan is located on the inclined tube near the reducing bend place.
2. underground mine packaged type as claimed in claim 1 natural ventilation and gas gathering-device is characterized in that being provided with the gas gathering-device at the inclined tube upper end; The gas gathering-device comprises collecting bin, spark arrester, acoustic control valve, gas alarm; Both sides, collecting bin bottom are provided with pipe joint, and the gas gathering-device is connected on the inclined tube through pipe joint; The collecting bin top is provided with floss hole, and floss hole is provided with spark arrester and acoustic control valve; Collecting bin top is provided with gas alarm near the floss hole place.
3. like claim 1,2 described underground mine packaged type natural ventilations and gas gathering-device, it is characterized in that below inclined tube and vertical tube junction, being provided with operation room, the riser support that vertical tube is played the support fixation effect is fixed on the operation room.
4. like claim 1,2 described underground mine packaged type natural ventilations and gas gathering-device, it is characterized in that also being provided with lateral on the pipeline of down-hole, each pipeline enclosure is connected; The down-hole pipeline prolongs the down-hole pipe-line through the mode that union connects lateral or prolongation trunk line.
5. like claim 1,2 described underground mine packaged type natural ventilations and gas gathering-device, it is characterized in that being provided with electric heater in the collecting bin bottom, the heating-up temperature of electric heater is 10-20 ℃.
6. like claim 1,2 described underground mine packaged type natural ventilations and gas gathering-device, it is characterized in that the vertical tube height is more than 50 meters.
7. like claim 1,2 described underground mine packaged type natural ventilations and gas gathering-device, the angle of inclination that it is characterized in that inclined tube and ground is 12-15 degree.
8. like claim 1,2 described underground mine packaged type natural ventilations and gas gathering-device, it is characterized in that the down-hole pipeline for oval, short diameter is 400-500mm, and long diameter is 1500-2000mm, is provided with support in the pipe; Vertical tube and inclined tube diameter all are not less than 400mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101144114A CN102628370A (en) | 2012-04-18 | 2012-04-18 | Mobile natural ventilation and gas collecting device for underground mine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101144114A CN102628370A (en) | 2012-04-18 | 2012-04-18 | Mobile natural ventilation and gas collecting device for underground mine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102628370A true CN102628370A (en) | 2012-08-08 |
Family
ID=46586739
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012101144114A Pending CN102628370A (en) | 2012-04-18 | 2012-04-18 | Mobile natural ventilation and gas collecting device for underground mine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102628370A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103422877A (en) * | 2013-09-01 | 2013-12-04 | 邢桂生 | Underground coal mine ventilation and dust removal safety system |
| CN103422876A (en) * | 2013-09-01 | 2013-12-04 | 邢桂生 | Environment-friendly coal mine underground ventilation and dedusting safety system |
| CN104533500A (en) * | 2014-12-10 | 2015-04-22 | 耿秀 | Natural ventilation system and method for coal mine underground |
| CN106593509A (en) * | 2017-01-20 | 2017-04-26 | 中铁十二局集团第七工程有限公司 | Tunnel negative pressure ventilation system |
| CN107869356A (en) * | 2017-11-06 | 2018-04-03 | 中国平煤神马能源化工集团有限责任公司 | A kind of high methane mine gas extraction system |
| CN109139082A (en) * | 2018-10-10 | 2019-01-04 | 山西汾西矿业（集团）有限责任公司 | Circulated air detection device in a kind of coal mine down-hole tunnel |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08134924A (en) * | 1994-11-14 | 1996-05-28 | Konoike Constr Ltd | Harmful gas exhausting method in underground construction |
| GB2432801A (en) * | 2005-12-02 | 2007-06-06 | Geoffrey Kevin Ellison | Method and apparatus for removing and treating gasses emanating from boreholes on landfill sites |
| CN201200974Y (en) * | 2008-06-12 | 2009-03-04 | 郑州大学 | Full-automatic filtration device for coal fines |
| CN101408112A (en) * | 2008-11-24 | 2009-04-15 | 常熟理工学院 | Low concentration gas thermal convection buoyancy lift collecting device |
| CN101769536A (en) * | 2008-12-31 | 2010-07-07 | 中国神华能源股份有限公司 | System for enabling mine ventilation gas to participate combustion of thermal power plant coal boiler |
| CN201588604U (en) * | 2010-01-26 | 2010-09-22 | 西安长庆科技工程有限责任公司 | Module structure used for ground gas collection of coal bed gas collecting station |
| CN201786381U (en) * | 2010-04-27 | 2011-04-06 | 山东科技大学 | Recovery device for separating and enriching gas discharged from return current system of mine |
| CN102121369A (en) * | 2010-12-15 | 2011-07-13 | 中国神华能源股份有限公司 | Method for separating gas |
| CN102278134A (en) * | 2011-08-16 | 2011-12-14 | 中国矿业大学(北京) | Collection method and device for coal mine ventilation air methane |
| CN202140107U (en) * | 2011-07-04 | 2012-02-08 | 上海攀极投资有限公司 | Ventilation air non-closed connecting device |
| CN102392675A (en) * | 2011-08-16 | 2012-03-28 | 中国矿业大学(北京) | Method and device for collecting ventilation air methane on top of diffuser of main fan of coal mine |
| CN202187794U (en) * | 2011-08-23 | 2012-04-11 | 山东理工大学 | Gas drainage diluting and mixing demister |
| CN202673319U (en) * | 2012-04-18 | 2013-01-16 | 丁汀 | Movable natural ventilation and gas collector for underground mines |
-
2012
- 2012-04-18 CN CN2012101144114A patent/CN102628370A/en active Pending
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08134924A (en) * | 1994-11-14 | 1996-05-28 | Konoike Constr Ltd | Harmful gas exhausting method in underground construction |
| GB2432801A (en) * | 2005-12-02 | 2007-06-06 | Geoffrey Kevin Ellison | Method and apparatus for removing and treating gasses emanating from boreholes on landfill sites |
| CN201200974Y (en) * | 2008-06-12 | 2009-03-04 | 郑州大学 | Full-automatic filtration device for coal fines |
| CN101408112A (en) * | 2008-11-24 | 2009-04-15 | 常熟理工学院 | Low concentration gas thermal convection buoyancy lift collecting device |
| CN101769536A (en) * | 2008-12-31 | 2010-07-07 | 中国神华能源股份有限公司 | System for enabling mine ventilation gas to participate combustion of thermal power plant coal boiler |
| CN201588604U (en) * | 2010-01-26 | 2010-09-22 | 西安长庆科技工程有限责任公司 | Module structure used for ground gas collection of coal bed gas collecting station |
| CN201786381U (en) * | 2010-04-27 | 2011-04-06 | 山东科技大学 | Recovery device for separating and enriching gas discharged from return current system of mine |
| CN102121369A (en) * | 2010-12-15 | 2011-07-13 | 中国神华能源股份有限公司 | Method for separating gas |
| CN202140107U (en) * | 2011-07-04 | 2012-02-08 | 上海攀极投资有限公司 | Ventilation air non-closed connecting device |
| CN102278134A (en) * | 2011-08-16 | 2011-12-14 | 中国矿业大学(北京) | Collection method and device for coal mine ventilation air methane |
| CN102392675A (en) * | 2011-08-16 | 2012-03-28 | 中国矿业大学(北京) | Method and device for collecting ventilation air methane on top of diffuser of main fan of coal mine |
| CN202187794U (en) * | 2011-08-23 | 2012-04-11 | 山东理工大学 | Gas drainage diluting and mixing demister |
| CN202673319U (en) * | 2012-04-18 | 2013-01-16 | 丁汀 | Movable natural ventilation and gas collector for underground mines |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103422877A (en) * | 2013-09-01 | 2013-12-04 | 邢桂生 | Underground coal mine ventilation and dust removal safety system |
| CN103422876A (en) * | 2013-09-01 | 2013-12-04 | 邢桂生 | Environment-friendly coal mine underground ventilation and dedusting safety system |
| CN103422876B (en) * | 2013-09-01 | 2015-07-01 | 王永军 | Environment-friendly coal mine underground ventilation and dedusting safety system |
| CN104533500A (en) * | 2014-12-10 | 2015-04-22 | 耿秀 | Natural ventilation system and method for coal mine underground |
| CN106593509A (en) * | 2017-01-20 | 2017-04-26 | 中铁十二局集团第七工程有限公司 | Tunnel negative pressure ventilation system |
| CN107869356A (en) * | 2017-11-06 | 2018-04-03 | 中国平煤神马能源化工集团有限责任公司 | A kind of high methane mine gas extraction system |
| CN109139082A (en) * | 2018-10-10 | 2019-01-04 | 山西汾西矿业（集团）有限责任公司 | Circulated air detection device in a kind of coal mine down-hole tunnel |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102628370A (en) | Mobile natural ventilation and gas collecting device for underground mine | |
| CN101418699B (en) | Underground mine natural ventilation equipment | |
| CN109268054A (en) | It is a kind of for underground big cross section, the ventilating and purifying air system in long distance driving face | |
| CN105089703A (en) | Mine safety system and control method | |
| CN104612739A (en) | Small-section tunnel single-head long-distance ventilation construction method | |
| CN202673319U (en) | Movable natural ventilation and gas collector for underground mines | |
| CN102425443A (en) | Tunnel smoke control device for supplying air from parallel tunnels | |
| CN208650903U (en) | A kind of comprehensive pick face dust guard of novel air way | |
| CN207193320U (en) | A kind of gravity blast furnace dust catcher ash hole transforms device | |
| CN204591331U (en) | The mine development end dash system of adjoint high-concentration hydrogen sulfide and gas | |
| CN203603965U (en) | Girth ejection type gas dilution and purification device | |
| CN203962023U (en) | A kind of moving vacuum cleaner for drive dedusting | |
| CN102661163A (en) | Mine gas, blasting fume and dust separation ventilation system | |
| CN206220993U (en) | A kind of coal mining gas discharger | |
| CN201262095Y (en) | Natural ventilation equipment for underground mine | |
| CN209212274U (en) | A kind of ventilation of underground mine tunnelling and dust removal integrated plant | |
| CN103016043B (en) | Inflatable smoke exhaust and dust removal isolating hood for tunnel shaft construction | |
| CN203022796U (en) | Coal mine tunnel accumulated dust removal device | |
| CN104533500B (en) | Underground coal mine natural ventilation system and method | |
| CN204941603U (en) | A kind of mine safety system | |
| CN115306461A (en) | Ventilation and cooling method for high-ground-temperature tunnel construction | |
| CN204522604U (en) | A kind of novel mist dust remover | |
| CN202544906U (en) | Gas emission device of coal mine | |
| CN202605931U (en) | Drilling orifice dust remover | |
| CN203756221U (en) | Mining machine dust removing device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120808 |