CN201193533Y - Secondary hole-sealing device for mash gas drill holes - Google Patents
Secondary hole-sealing device for mash gas drill holes Download PDFInfo
- Publication number
- CN201193533Y CN201193533Y CNU2008200350927U CN200820035092U CN201193533Y CN 201193533 Y CN201193533 Y CN 201193533Y CN U2008200350927 U CNU2008200350927 U CN U2008200350927U CN 200820035092 U CN200820035092 U CN 200820035092U CN 201193533 Y CN201193533 Y CN 201193533Y
- Authority
- CN
- China
- Prior art keywords
- air inlet
- pressure
- inlet pipe
- chamber
- secondary hole
- 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 - Lifetime
Links
Images
Abstract
The utility model relates to a secondary plugging device of a gas pumping and discharging drill hole. The secondary plugging device consists of an intake manifold, a control valve, a pressure relief valve and a feeding device. The intake manifold is connected with the feeding device directly. The control valve and the pressure relief valve are orderly arranged at an inlet pipeline of the feeding device. A gas source is high pressure gas in a compressed air pipeline. The control valve controls input gas. The pressure relief valve reduces the pressure of the input gas to proper pressure. The feeding device is used for blowing secondary plugging material into the gas pumping and discharging drill hole by certain pressure. Under the action of pressure, the plugging material is filled in the drill hole and permeates into gaps around the drill hole, so as to achieve the secondary plugging of the gas pumping and discharging drill hole. The secondary plugging device is simple for operating, has good plugging effect, light weight, convenient transportation and wide practicability and is safe and reliable.
Description
Technical field
The utility model relates to a kind of hole sealing device, especially a kind of secondary hole sealing device of firedamp taking-out discharging drilling.
Background technology
In gas discharge in mine work, the drilling and sealing quality is the key factor of extraction effect.Advantages such as the polyurethane sealing of hole is simple to operate owing to it, speed is fast, the amount of labour is little, sealing of hole is effective are widely used in the colliery.The polyurethane sealing of hole is exactly that (3～5m) locate to be wrapped on the releasing pipe with the piece of sack that waters polyurethane, utilize the expansion of polyurethane to carry out sealing of hole, and the sealing of hole distance is 2～3m, because the sealing of hole section has been avoided relaxation zone, sealing of hole is effective at distance aperture certain distance.
After first sealing of hole is finished, begin to carry out gas drainage under suction.After a period of time is carried out in extraction and since under the influence of extraction negative pressure around the boring particularly the crack in the relaxation zone scope further grow, cause gas drainage under suction concentration to descend, even gas density is zero, brought very big difficulty to gas drainage under suction work.
The utility model content
At the problem of the existence in the prior art, the utility model purpose provides a kind of simple in structure, and is easy to operate, the firedamp taking-out discharging drilling secondary hole sealing device that result of use is good.
The secondary hole sealing device of firedamp taking-out discharging drilling of the present utility model, it is made of total inlet pipe, by-pass valve control, reducing valve and charging gear, wherein: total inlet pipe links to each other with high-pressure air pipe in the air line, total inlet pipe directly links to each other with charging gear, and by-pass valve control and reducing valve are located on the entrance pipe of charging gear successively.
Described charging gear by cartridge, be located at cartridge below blow the material chamber and the additional-air inlet chamber constitutes, blow and be provided with the ventilative canvas of interlayer between material chamber and the additional-air inlet chamber, blow to be respectively equipped with on the material chamber and blow material air inlet pipe and discharge nozzle, the additional-air inlet chamber is provided with auxiliary inlet manifold; The pipeline that described total inlet pipe directly links to each other with charging gear is provided with and blows the threeway that the material air inlet pipe links to each other with auxiliary inlet manifold; The base plate of described additional-air inlet chamber is obliquely installed.
The secondary hole sealing device of firedamp taking-out discharging drilling of the present utility model is applicable under the situation that the concentration that draws out methane behind the first sealing of hole of polyurethane descends boring is sealed once more, with the raising concentration that draws out methane, increases the extraction life-span of firedamp taking-out discharging drilling.By using charging gear that the secondary hole sealing material is sent in the boring with certain pressure, the secondary hole sealing material penetrates in the boring crack on every side under pressure, and the air in the blocking-up tunnel enters the passage of firedamp taking-out discharging drilling, improves gas drainage under suction concentration.The firedamp taking-out discharging drilling secondary hole sealing device is simple to operate, and sealing of hole is satisfactory for result, and employed secondary hole sealing pay-off is in light weight, and convenient transportation is safe and reliable, has practicality widely.
Description of drawings:
Among the figure: total inlet pipe 1, by-pass valve control 2, reducing valve 3, charging gear 4, barrel 4-1 blows material chamber 4-2, additional-air inlet chamber 4-3, ventilative canvas 4-4 blows material air inlet pipe 4-5, auxiliary inlet manifold 4-6, discharge nozzle 4-7.
The specific embodiment
Below in conjunction with accompanying drawing an example of the present utility model is described further:
Shown in the accompanying drawing, firedamp taking-out discharging drilling secondary hole sealing device of the present utility model, constitute by total inlet pipe 1, by-pass valve control 2, reducing valve 3 and charging gear 4, by-pass valve control 2 and reducing valve 3 are located on total inlet pipe 1 and the pipeline that charging gear 4 links to each other successively, charging gear 4 by cartridge 4-1, be located at cartridge 4-1 below blow material chamber 4-2 and additional-air inlet chamber 4-3 constitutes, the base plate of additional-air inlet chamber 4-3 is obliquely installed, to strengthen the air-flow that upwards blows.Blow and expect to be provided with between chamber 4-2 and the additional-air inlet chamber 4-3 the ventilative canvas 4-4 of interlayer, blow to be respectively equipped with on the material chamber 4-2 and blow material air inlet pipe 4-5 and discharge nozzle 4-7, on the 4-3 of additional-air inlet chamber auxiliary inlet manifold 4-6 is housed.The pipeline that total inlet pipe 1 links to each other with charging gear 4 is provided with and blows the threeway that material air inlet pipe 4-5 links to each other with auxiliary inlet manifold 4-6, and auxiliary inlet manifold 4-6 is equipped with by-pass valve control in the entrance.Gases at high pressure are reduced to convenient pressure through the depressurization of reducing valve 3, be divided into two-way gas through threeway again, one road gas is in auxiliary inlet manifold 4-6 enters additional-air inlet chamber 4-3, upwards blowing over ventilative canvas 4-4 under the refraction action of its inclined floor enters and blows material chamber 4-2, the secondary hole sealing material that is fallen by cartridge 4-1 is dispelled into afloat, another road gas blows out at a high speed through blowing the outlet of material air inlet pipe 4-5 and convergent thereof, entrainments following of effect at it and blows the secondary hole sealing material of expecting to be among the 4-2 of chamber afloat and blow among the discharge nozzle 4-7 and send into boring.By the total inlet pipe 1 that links to each other with air line gases at high pressure are expected that through blowing air inlet pipe 4-5 and auxiliary inlet manifold 4-6 send into blowing of charging gear 4 and expect chamber 4-2 and additional-air inlet chamber 4-3 respectively, fallen material among the cartridge 4-1 is blown out from discharge nozzle 4-7, send in the shutoff boring.
Its course of work: at first connect source of the gas and secondary hole sealing charging gear 4, the secondary hole sealing material of in charging gear 4, packing into simultaneously, and discharge nozzle 4-7 is inserted in the firedamp taking-out discharging drilling of need shutoff, open by-pass valve control 2 then, and adjusting reducing valve 3, make the pressure of air inlet reduce to suitable pressure, the secondary hole sealing material of certain pressure is sent in beginning in boring, along with the secondary hole sealing material is constantly sent in the boring, at leisure discharge nozzle 4-7 is outwards moved, until extracting firedamp taking-out discharging drilling fully, at last with quick-set seal orifice such as polyurethane.
Claims (4)
1. secondary hole sealing device that is used for firedamp taking-out discharging drilling, it is characterized in that: it is made of total inlet pipe (1), by-pass valve control (2), reducing valve (3) and charging gear (4), wherein: total inlet pipe (1) links to each other with high-pressure air pipe in the air line, total inlet pipe (1) directly links to each other with charging gear (4), and by-pass valve control (2) and reducing valve (3) are located on the entrance pipe of charging gear (4) successively.
2. the secondary hole sealing device of firedamp taking-out discharging drilling according to claim 1, it is characterized in that: described charging gear (4) by cartridge (4-1), be located at cartridge (4-1) below blow material chamber (4-2) and additional-air inlet chamber (4-3) formation, blow and be provided with the ventilative canvas (4-4) of interlayer between material chamber (4-2) and additional-air inlet chamber (4-3), blow to be respectively equipped with on the material chamber (4-2) and blow material air inlet pipe (4-5) and discharge nozzle (4-7), additional-air inlet chamber (4-3) is provided with auxiliary inlet manifold (4-6).
3. the secondary hole sealing device of firedamp taking-out discharging drilling according to claim 1 and 2 is characterized in that: the pipeline that described total inlet pipe (1) directly links to each other with charging gear (4) is provided with and blows the threeway of expecting that air inlet pipe (4-5) links to each other with auxiliary inlet manifold (4-6).
4. the secondary hole sealing device of firedamp taking-out discharging drilling according to claim 2, it is characterized in that: the base plate of described additional-air inlet chamber (4-3) is obliquely installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200350927U CN201193533Y (en) | 2008-04-10 | 2008-04-10 | Secondary hole-sealing device for mash gas drill holes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200350927U CN201193533Y (en) | 2008-04-10 | 2008-04-10 | Secondary hole-sealing device for mash gas drill holes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201193533Y true CN201193533Y (en) | 2009-02-11 |
Family
ID=40393071
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200350927U Expired - Lifetime CN201193533Y (en) | 2008-04-10 | 2008-04-10 | Secondary hole-sealing device for mash gas drill holes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201193533Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101251029B (en) * | 2008-04-10 | 2010-06-02 | 中国矿业大学 | Secondary hole sealing device for firedamp taking-out discharging drilling |
| CN101845944A (en) * | 2010-05-08 | 2010-09-29 | 中国矿业大学 | Method for sealing gas drainage boreholes at specified positions |
| CN101956546A (en) * | 2010-09-14 | 2011-01-26 | 中国矿业大学 | Method for improving crossing-hole gas extraction concentration |
| CN102536153A (en) * | 2012-02-10 | 2012-07-04 | 中国矿业大学 | Manpower supercharged powder conveying device for mine |
| CN103161443A (en) * | 2013-04-10 | 2013-06-19 | 中国矿业大学 | Detection and sealing integrated method and device for gas extraction drill hole |
-
2008
- 2008-04-10 CN CNU2008200350927U patent/CN201193533Y/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101251029B (en) * | 2008-04-10 | 2010-06-02 | 中国矿业大学 | Secondary hole sealing device for firedamp taking-out discharging drilling |
| CN101845944A (en) * | 2010-05-08 | 2010-09-29 | 中国矿业大学 | Method for sealing gas drainage boreholes at specified positions |
| CN101845944B (en) * | 2010-05-08 | 2013-06-05 | 中国矿业大学 | Method for sealing gas drainage boreholes at specified positions |
| CN101956546A (en) * | 2010-09-14 | 2011-01-26 | 中国矿业大学 | Method for improving crossing-hole gas extraction concentration |
| CN101956546B (en) * | 2010-09-14 | 2013-03-06 | 中国矿业大学 | Method for improving crossing-hole gas extraction concentration |
| CN102536153A (en) * | 2012-02-10 | 2012-07-04 | 中国矿业大学 | Manpower supercharged powder conveying device for mine |
| CN102536153B (en) * | 2012-02-10 | 2014-11-05 | 中国矿业大学 | Manpower supercharged powder conveying device for mine |
| CN103161443A (en) * | 2013-04-10 | 2013-06-19 | 中国矿业大学 | Detection and sealing integrated method and device for gas extraction drill hole |
| CN103161443B (en) * | 2013-04-10 | 2016-01-20 | 中国矿业大学 | For spy envelope integral method and the device of mash gas pumping drilling |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101251029B (en) | Secondary hole sealing device for firedamp taking-out discharging drilling | |
| CN201193533Y (en) | Secondary hole-sealing device for mash gas drill holes | |
| CN102352768B (en) | Gas drainage method and equipment with alternative drainage | |
| CN102094670B (en) | Method for replacing mine goaf gas with carbon dioxide | |
| CN205208144U (en) | Unloading natural gas recovery system of gas gathering station | |
| CN102337921A (en) | Gas-water separation, water discharging and slag discharge integrated device for drill hole in gas extraction crossheading drill site | |
| CN102230394B (en) | Secondary hole sealing system for improving coal bed gas extraction concentration | |
| CN102606190A (en) | Method and device for using downward crossing hole to eliminate outburst in mining of coal mine | |
| CN103867885B (en) | A kind of liquid methane loading system | |
| CN201696679U (en) | Safe water seal for conveying combustible gas | |
| CN202469479U (en) | Safety low-concentration gas transporting system | |
| CN102493834A (en) | Water and waste rock discharging device for extracting gas and working method thereof | |
| CN104989362A (en) | Coal seam air injection expansion secondary permeability improvement method adopted after liquid CO2 blasting and used for promoting gas extraction | |
| CN103277131A (en) | Gas separating device and gas separating method | |
| CN2828530Y (en) | Fine spray supplying device for gas of coal mine | |
| CN202250165U (en) | Integration device for separating gas and water and discharging water and slag for drill hole in gas extraction crossheading drill site | |
| CN103397882B (en) | A kind of coal-mining method and mine structure preventing gas explosion in underground coal mines and burning | |
| CN108561176A (en) | A kind of mash gas pumping drilling automatic sparse blocks up permeability improvement device and method | |
| CN206571473U (en) | A kind of girdle extraction system based on microorganism gasification principle | |
| CN201723245U (en) | Liquid injection type hole plugging device in gas drainage | |
| CN202520368U (en) | Water and recrement discharger used in gas extraction operation | |
| CN213510569U (en) | Supercritical carbon dioxide sand-carrying coal bed fracturing device | |
| CN103216259B (en) | System protecting underground coal bed hole drilling from collapse | |
| CN207712977U (en) | A kind of compressed air pipe long-distance sand transport material device | |
| CN207538858U (en) | It is a kind of to be used to eliminate under filling slurry to the device of pumping line vapour lock |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20090211 Effective date of abandoning: 20080410 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20090211 Effective date of abandoning: 20080410 |