CN107083931A - A kind of dust guard of ground extinction drilling - Google Patents
A kind of dust guard of ground extinction drilling Download PDFInfo
- Publication number
- CN107083931A CN107083931A CN201710502159.7A CN201710502159A CN107083931A CN 107083931 A CN107083931 A CN 107083931A CN 201710502159 A CN201710502159 A CN 201710502159A CN 107083931 A CN107083931 A CN 107083931A
- Authority
- CN
- China
- Prior art keywords
- expansion chamber
- dust
- coal dust
- drilling
- outlet
- 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
- 239000000428 dust Substances 0.000 title claims abstract description 41
- 230000008033 biological extinction Effects 0.000 title claims abstract description 21
- 238000005553 drilling Methods 0.000 title claims abstract description 20
- 239000002817 coal dust Substances 0.000 claims abstract description 46
- 230000004913 activation Effects 0.000 claims abstract description 16
- 238000004062 sedimentation Methods 0.000 claims abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 12
- 238000002386 leaching Methods 0.000 claims abstract description 9
- 239000007921 spray Substances 0.000 claims abstract description 5
- 230000008676 import Effects 0.000 claims abstract description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 238000009826 distribution Methods 0.000 claims description 3
- 239000002244 precipitate Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 4
- 239000003245 coal Substances 0.000 description 9
- 229910000746 Structural steel Inorganic materials 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- 230000001376 precipitating effect Effects 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
- E21B21/01—Arrangements for handling drilling fluids or cuttings outside the borehole, e.g. mud boxes
- E21B21/015—Means engaging the bore entrance, e.g. hoods for collecting dust
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Auxiliary Methods And Devices For Loading And Unloading (AREA)
Abstract
The invention discloses a kind of dust guard of ground extinction drilling, including dust excluder outlet, expansion chamber and sedimentation basin；The dust excluder outlet connection well head blow-out release device and expansion chamber, the expansion chamber right-hand member are provided with coal dust primary outlet, and coal dust primary outlet is connected with sedimentation basin；Coal dust is sprayed the activation sprinkler head water spray entered in expansion chamber, the expansion chamber by import blow-out release device and carries out leaching to coal dust, and the water after leaching enters sedimentation basin by the coal dust primary outlet of expansion chamber right-hand member and precipitated.The present invention serves effective dust-proof effect in open flow, coal dust is largely all pressed into sedimentation basin, and surrounding environment is not polluted substantially, it is to avoid the dispute with peasant.
Description
Technical field
The invention belongs to mining equiment technical field, say body, be related to a kind of dust guard of ground extinction drilling.
Background technology
For reduction underground exposed coal security risk, shorten the exposed coal duration, alleviate the problem of digging continues, improve underground and drill peace
Overall coefficient, Huainan Mining (Group) Co., Ltd. is engineering test place in Xie Yikuang -960m horizontal rails crossdrift, is carried out
One phase auxiliary extinction engineering, three mouthfuls of directional wells of this engineering design, using " directional inclination, machinery draw cave, hydraulic jet, sky
Aerodynamic force makes cave " etc. means reach the purpose of auxiliary extinction, and all completed on November 24th, 2014, it is accumulative to draw coal output
302.02m3, mash gas extraction scale 47450m3.Draw coal effect and gas pumping effect reaches target.But it is obvious
When being disadvantageous in that progress aerodynamic cave open flow, a large amount of coal dusts, to wellsite, or even are floatd to neighbouring agriculture by open flow
In people ground and family, coal dust effectively can neither be brought together, greatly pollution is also caused to environment, cause calculating
In the presence of very big error when putting injecting coal quantity, and local farmers repeatedly obstruct drilling construction for this, delay the duration.
The content of the invention
The present invention provides a kind of dust guard for the ground extinction drilling that can effectively reduce coal dust.
To solve the above problems, the present invention is adopted the following technical scheme that.
A kind of dust guard of ground extinction drilling, including dust excluder outlet, expansion chamber and sedimentation basin；The dust excluder
Outlet connects well head blow-out release device and expansion chamber, and the expansion chamber right-hand member is provided with coal dust primary outlet, and coal dust primary outlet is with sinking
Shallow lake pond is connected；Coal dust is sprayed the activation sprinkler head entered in expansion chamber, the expansion chamber by import blow-out release device and sprayed water to coal
Dirt carries out leaching, and the water after leaching enters sedimentation basin by the coal dust primary outlet of expansion chamber right-hand member and precipitated.
It is used as the further technical scheme of the present invention：Active window, active window are provided with the left surface of the expansion chamber
The cover plate for opening active window is provided with mouth, cover plate is hinged and connected on the left side wall of expansion chamber, and cover plate is covered in active window
On mouth.
It is used as the further technical scheme of the present invention：It is additionally provided with the madial wall of the expansion chamber for bearing open flow
When blast pressure release baffle plate, the pressure release baffle plate is fixedly connected with the madial wall of expansion chamber, and the flood discharge baffle number is one
More than individual, the interspersed distribution up and down in expansion chamber of multiple flood discharge baffle plates；The inwall of the flood discharge baffle plate and expansion chamber is in oblique phase
Hand over, self-retaining end to the free end of the flood discharge baffle plate is tilted towards the direction of coal dust primary outlet..
It is used as the further technical scheme of the present invention：The activation sprinkler head quantity is at more than one, multiple activated waters
Shower nozzle is distributed on the inner side roof of expansion chamber.
It is used as the further technical scheme of the present invention：It is provided with the dust excluder outlet for controlling coal dust to enter
The valve of expansion chamber amount.
It is used as the further technical scheme of the present invention：Dust excluder outlet pipe between valve and the well head blow-out release device
On be additionally provided with activation sprinkler head in the pipes of multiple different directions；Activation sprinkler head is gone out from multiple different directions to dust excluder in pipe
Spray activated water in mouth pipe pipe.
It is used as the further technical scheme of the present invention：Pass through flaring steel pipe connecting between the dust excluder outlet pipe and expansion chamber
It is logical.
It is used as the further technical scheme of the present invention：The lower position of the front side wall of the expansion chamber is arranged at intervals with many
The individual coal dust outlet for being used to clear up coal dust in expansion chamber, coal dust outlet port is provided with sideboard, left and right sliding active baffle plate
Make coal dust port opening or closing.
It is used as the further technical scheme of the present invention：Osculum, osculum and draining are provided with the sideboard
Ditch is connected, and gutter is communicated to sedimentation basin by precipitating canal.
It is used as the further technical scheme of the present invention：Also by solid between the madial wall of the pressure release baffle plate and expansion chamber
Determine part and reinforce installation.
Compared to prior art, beneficial effects of the present invention are：
1) present invention serves effective dust-proof effect in open flow, and coal dust is largely all pressed into sedimentation basin, right
Surrounding environment is not polluted substantially, it is to avoid dispute with peasant.
2) present invention is calculated after open flow process to put injecting coal quantity and provide technology for us and ensured, greatly reduces coal meter
The error of calculation.
Brief description of the drawings
Fig. 1 is a kind of structural representation of the dust guard of ground extinction drilling of the embodiment of the present invention.
Fig. 2 is a kind of floor map of the dust guard of ground extinction drilling of the embodiment of the present invention.
In figure：1- dust excluder outlets, 2- expansion chambers, 3- sedimentation basins, 4- well head blow-out release devices, 5- gutters, 11- valves
Activation sprinkler head in door, 12- pipes, 13- flaring steel pipes, 20- activation sprinkler heads, 21- coal dust primary outlets, 22- active windows, 23-
Pressure release baffle plate, 24- sideboards, 230- fixtures, 240- osculums, 51- precipitation canals.
Embodiment
The present invention will be described in detail below in conjunction with the accompanying drawings.
Referring to Fig. 1, a kind of dust guard of ground extinction drilling, including dust excluder outlet 1, expansion chamber 2 and precipitation
Pond 3；The connection well head of dust excluder outlet 1 blow-out release device 4 and expansion chamber 2, the right-hand member of expansion chamber 2 are provided with coal dust master and gone out
Mouth 21, coal dust primary outlet 21 is connected with sedimentation basin 3；Coal dust is sprayed by import blow-out release device 4 enters expansion chamber 2, the sedimentation
Activation sprinkler head 20 in room 2 is sprayed water and carries out leaching, the coal dust primary outlet 21 that the water after leaching passes through the right-hand member of expansion chamber 2 to coal dust
Sedimentation basin 3 is entered to be precipitated.
It is provided with active window, active window and is provided with for opening active window on the left surface of the expansion chamber 2
Cover plate 22, cover plate 22 is hinged and connected on the left side wall of expansion chamber 2, and cover plate 22 is covered on active window, and active window is used to release
Put the methane gas in expansion chamber 2.
Pressure release baffle plate 23, the inner side of the pressure release baffle plate 23 and expansion chamber 2 are additionally provided with the madial wall of the expansion chamber 2
Wall is fixedly connected, and pressure release baffle plate 23 is used to bear blast during open flow, it is therefore an objective to reduce flowing wind speed of the coal dust in expansion chamber 2,
So that coal dust obtains sufficient leaching in expansion chamber 2；The quantity of flood discharge baffle plate 23 is at more than one, multiple flood discharge baffle plates
The 23 interspersed distributions up and down in expansion chamber 2；The flood discharge baffle plate 23 intersects with the inwall of expansion chamber 2 in oblique, the flood discharge gear
Self-retaining end to the free end of plate 23 is tilted towards the direction of coal dust primary outlet 21.
The activation quantity of sprinkler head 20 is at more than one, and multiple activation sprinkler heads 20 are distributed in the interior of expansion chamber 2
On the roof of side；
Valve 11 is provided with the dust excluder outlet 1, valve 11 is used for the amount for controlling coal dust to enter expansion chamber 2；Institute
State and be additionally provided with activated water in the pipe of multiple different directions on the dust excluder outlet pipe 1 between valve 11 and well head blow-out release device 4
Shower nozzle 12；Activation sprinkler head 12 sprays activated water from multiple different directions into the pipe of dust excluder outlet 1 in pipe；
Connected between the dust excluder outlet pipe 1 and expansion chamber 2 by flaring steel pipe 13；The setting of flaring steel pipe 13 can drop
Coal dust in low dust excluder outlet pipe 1 enters flow velocity during expansion chamber 2；
The lower position of the front side wall of the expansion chamber 2 is arranged at intervals with multiple coal dust outlets, and coal dust outlet port is set
There is sideboard 24, left and right sliding active baffle plate 24 makes coal dust port opening or closing；Coal dust is exported for clearing up in expansion chamber 2
Coal dust；
Refer to and be provided with osculum 240 on Fig. 1 and Fig. 2, the sideboard 24, osculum 240 connects with gutter 5
Logical, gutter 5 is communicated to sedimentation basin 3 by precipitating canal 51；
Preferably, also reinforced and pacified by fixture 230 between the madial wall of the pressure release baffle plate 23 and expansion chamber 2
Dress；The fixture 230 is angle-iron frame, and fixture 230 is not limited to angle-iron frame.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
Any modifications, equivalent substitutions and improvements made within refreshing and principle etc., should be included in the scope of the protection.
Claims (10)
1. a kind of dust guard of ground extinction drilling, it is characterised in that：Including dust excluder outlet (1), expansion chamber (2) and heavy
Shallow lake pond (3)；Dust excluder outlet (1) the connection well head blow-out release device (4) and expansion chamber (2), expansion chamber (2) right-hand member are set
Coal dust primary outlet (21) is equipped with, coal dust primary outlet (21) is connected with sedimentation basin (3)；Coal dust is sprayed by import blow-out release device (4)
Into expansion chamber (2), activation sprinkler head (20) water spray in the expansion chamber (2) carries out leaching to coal dust, and the water after leaching leads to
The coal dust primary outlet (21) for crossing expansion chamber (2) right-hand member enters sedimentation basin (3) and precipitated.
2. the dust guard of extinction drilling in ground according to claim 1, it is characterised in that：A left side for the expansion chamber (2)
The cover plate (22) being provided with active window, active window for opening active window is provided with side, cover plate (22) is hinged
On the left side wall for being connected on expansion chamber (2), cover plate (22) is covered on active window.
3. the dust guard of extinction drilling in ground according to claim 1, it is characterised in that：The expansion chamber (2) it is interior
The pressure release baffle plate (23) for bearing blast during open flow, the pressure release baffle plate (23) and expansion chamber (2) are additionally provided with the wall of side
Madial wall be fixedly connected, flood discharge baffle plate (23) quantity is at more than one, and multiple flood discharge baffle plates (23) are in the expansion chamber (2)
Intert distribution up and down；The flood discharge baffle plate (23) is intersected with the inwall of expansion chamber (2) in oblique, the self-retaining of flood discharge baffle plate (23)
The direction to free end towards coal dust primary outlet (21) is held to tilt.
4. the dust guard of extinction drilling in ground according to claim 1, it is characterised in that：The activation sprinkler head (20)
Quantity is at more than one, and multiple activation sprinkler heads (20) are distributed on the inner side roof of expansion chamber (2).
5. the dust guard of extinction drilling in ground according to claim 1, it is characterised in that：The dust excluder outlet
(1) it is provided with for controlling coal dust to enter the valve (11) that expansion chamber (2) is measured.
6. the dust guard of extinction drilling in ground according to claim 5, it is characterised in that：The valve (11) and well head
Activation sprinkler head (12) in the pipe of multiple different directions is additionally provided with dust excluder outlet pipe (1) between blow-out release device (4)；Pipe
Interior activation sprinkler head (12) spray activated water into dust excluder outlet (1) pipe from multiple different directions.
7. the dust guard of extinction drilling in ground according to claim 1, it is characterised in that：The dust excluder outlet pipe (1)
Connected between expansion chamber (2) by flaring steel pipe (13).
8. the dust guard of extinction drilling in ground according to claim 1, it is characterised in that：Before the expansion chamber (2)
The lower position of side wall is arranged at intervals with multiple coal dust outlets for being used to clear up expansion chamber (2) interior coal dust, and coal dust outlet port is set
Sideboard (24) is equipped with, left and right sliding active baffle plate (24) makes coal dust port opening or closing.
9. the dust guard of extinction drilling in ground according to claim 8, it is characterised in that：On the sideboard (24)
Be provided with osculum (240), osculum (240) is connected with gutter (5), gutter (5) by precipitate canal (51) be communicated to it is heavy
Shallow lake pond (3).
10. the dust guard of extinction drilling in ground according to claim 3, it is characterised in that：The pressure release baffle plate (23)
Also reinforced and installed by fixture (230) between the madial wall of expansion chamber (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710502159.7A CN107083931A (en) | 2017-06-27 | 2017-06-27 | A kind of dust guard of ground extinction drilling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710502159.7A CN107083931A (en) | 2017-06-27 | 2017-06-27 | A kind of dust guard of ground extinction drilling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107083931A true CN107083931A (en) | 2017-08-22 |
Family
ID=59607280
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710502159.7A Pending CN107083931A (en) | 2017-06-27 | 2017-06-27 | A kind of dust guard of ground extinction drilling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107083931A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111535848A (en) * | 2020-05-09 | 2020-08-14 | 中煤科工集团西安研究院有限公司 | Broken soft coal seam horizontal well air coal-drawing roadway filling support gas extraction outburst elimination method |
| CN111573329A (en) * | 2020-04-13 | 2020-08-25 | 淮北矿业股份有限公司 | Automatic dust keeper of mine working face conveyer |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1308655A (en) * | 1970-05-14 | 1973-02-21 | Joy Mfg Co Ltd | Method of and machine for use in the construction of the gates in long-wall coal mining |
| CN202689980U (en) * | 2012-06-27 | 2013-01-23 | 冀中能源邯郸矿业集团有限公司 | Drilling de-dusting device |
| CN204294052U (en) * | 2014-12-03 | 2015-04-29 | 德兴市源森红花茶油有限公司 | Desulfation dust-extraction device |
| CN106368672A (en) * | 2016-08-30 | 2017-02-01 | 中煤科工集团西安研究院有限公司 | Coal dust gathering device and method suitable for aerodynamic caving of coal bed gas well |
| CN207393138U (en) * | 2017-06-27 | 2018-05-22 | 淮南矿业(集团)有限责任公司 | A kind of dust guard of ground extinction drilling |
-
2017
- 2017-06-27 CN CN201710502159.7A patent/CN107083931A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1308655A (en) * | 1970-05-14 | 1973-02-21 | Joy Mfg Co Ltd | Method of and machine for use in the construction of the gates in long-wall coal mining |
| CN202689980U (en) * | 2012-06-27 | 2013-01-23 | 冀中能源邯郸矿业集团有限公司 | Drilling de-dusting device |
| CN204294052U (en) * | 2014-12-03 | 2015-04-29 | 德兴市源森红花茶油有限公司 | Desulfation dust-extraction device |
| CN106368672A (en) * | 2016-08-30 | 2017-02-01 | 中煤科工集团西安研究院有限公司 | Coal dust gathering device and method suitable for aerodynamic caving of coal bed gas well |
| CN207393138U (en) * | 2017-06-27 | 2018-05-22 | 淮南矿业(集团)有限责任公司 | A kind of dust guard of ground extinction drilling |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111573329A (en) * | 2020-04-13 | 2020-08-25 | 淮北矿业股份有限公司 | Automatic dust keeper of mine working face conveyer |
| CN111535848A (en) * | 2020-05-09 | 2020-08-14 | 中煤科工集团西安研究院有限公司 | Broken soft coal seam horizontal well air coal-drawing roadway filling support gas extraction outburst elimination 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: 20170822 |