CN203879533U - Orifice dust removal device for coal seam drilled hole - Google Patents
Orifice dust removal device for coal seam drilled hole Download PDFInfo
- Publication number
- CN203879533U CN203879533U CN201420211882.1U CN201420211882U CN203879533U CN 203879533 U CN203879533 U CN 203879533U CN 201420211882 U CN201420211882 U CN 201420211882U CN 203879533 U CN203879533 U CN 203879533U
- Authority
- CN
- China
- Prior art keywords
- dust
- drilling
- dust cover
- hole
- coal bed
- 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
- 239000000428 dust Substances 0.000 title claims abstract description 95
- 239000003245 coal Substances 0.000 title claims abstract description 26
- 238000007789 sealing Methods 0.000 claims abstract description 33
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 23
- 238000005553 drilling Methods 0.000 claims description 64
- 238000000151 deposition Methods 0.000 claims description 13
- 230000008878 coupling Effects 0.000 claims description 12
- 238000010168 coupling process Methods 0.000 claims description 12
- 238000005859 coupling reaction Methods 0.000 claims description 12
- 238000010298 pulverizing process Methods 0.000 claims description 7
- 230000000694 effects Effects 0.000 abstract description 3
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 238000004064 recycling Methods 0.000 abstract 1
- 239000002817 coal dust Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 239000006260 foam Substances 0.000 description 3
- 241000167854 Bourreria succulenta Species 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000002390 adhesive tape Substances 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 2
- 235000019693 cherries Nutrition 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 239000005060 rubber Substances 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 230000001629 suppression Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003034 coal gas Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 206010035653 pneumoconiosis Diseases 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000008400 supply water Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Landscapes
- Earth Drilling (AREA)
Abstract
The utility model discloses an orifice dust removal device for a coal seam drilled hole. The device comprises a dustproof cover and is characterized in that the front side of the dustproof cover is fixedly provided with a flexible sealing piece through a flexible sealing piece fixing screw, the flexible sealing piece is provided with drill pipe equal-diameter round holes, the lower end of the dustproof cover is sleeved with a dustfall soft connection cylinder, the upper end of the dustproof cover is fixedly provided with a water inlet connector provided with multiple atomizing nozzle water inlet pipes and inserted into the dustproof cover, and the rear side of the dustproof cover is fixedly provided with a round dust seal connector. The orifice dust removal device is simple in structure, good in dust sealing effect, low in cost and practical. Dust of the contact portion of a drill pipe and a coal wall is sealed, a dust channel between the sealed drill pipe and the dust removal device is sealed, and control on dust formed when pulverized coal overflows out of the channel is achieved. Dust removal is achieved through static-pressure water pipes in a mine, energy consumption is not caused, and the dust removal device is matched with a net cage with meshes on the side wall to be arranged in the dustfall soft connection cylinder to achieve recycling of coarse slime.
Description
Technical field
The utility model relates to coal bed gas drainage drilling dust-removing apparatus and technology, particularly coal bed drilling drilling hole dust collector device.
Background technology
Gas suction by drilling is to administer one of this coal-bed gas most effectual way, increase along with mining depth and mining rate, Intensity of coal-gas burst is increasing, coal seam gas-bearing capacity sharply increases, if adopt wet boring for high gas cherry coal, easily cause the faults such as hole plug-hole bit freezing that collapse, have a strong impact on extraction effect.Therefore, the main dry drilling Pneumatic powder discharging that adopts of high gas cherry coal firedamp taking-out discharging drilling construction, in work progress, produce a large amount of dust, brought hidden danger to mine safety production and personnel health, the coal dust producing in dry drilling drilling process can not blasted separately in the situation that there is no gas completely, also can make small-scale gas explosion be converted into the mixed explosion of gas and coal dust, cause continuous blast; Meanwhile, coal dust is also given miner healthyly causes serious harm, the miner who causes because of pneumoconiosis both at home and abroad disable and death toll very surprising; In addition, dust concentration is crossed conference affects vision, causes constructor's operate miss.At present, the depositing dust dust suppression that take for dry drilling in colliery mainly contains spray for dust suppression foam dust-removing and deduster dedusting etc., but in implementation process, there is following problem: the efficiency of dust collection of spray dust remover increases and improves with pressure of supply water, and bring compared with high hydraulic pressure, energy consumption is large, draining is difficult, and nozzle diameter size is larger to dust catching influential effect, and diameter is too small, easily result in blockage, foam dust-removing is had relatively high expectations to foam compound formula and adding proportion, and operating procedure is numerous and diverse; The large required pump pressure high energy consumption of deduster volume is large, down-hole these problems of migration inconvenience have limited its range of application to a certain extent.Therefore, the simple device for reducing dust such as aperture spraying and dust-break water curtain are only used in 70%～80% coal bed drilling job site, but because method for designing is improper, cause drilling construction place coal dust to fly upward, and the mean dust concentration in its return is up to 350mg/m
3above, the regulation that far exceeds safety regulations in coal mine.
Utility model content
For the pollution caused by coal dust problem producing in existing gas drainage under suction dry drilling drilling process, overcome the defect of above prior art, a kind of simple in structure, effective, coal bed drilling drilling hole dust collector device that cost is low, practical is provided, solve its technical problem.
The utility model wants the technical scheme of technical solution problem to be: a kind of coal bed drilling drilling hole dust collector device, it comprises dust cover, be characterised in that: dust cover front is by the fixing flexible sealing fin with drilling rod equal diameter circular hole of flexible sealing fin fixed screw, dust cover lower end cover has the depositing dust cylinder that is flexible coupling, dust cover upper end is fixing with inserting the water supply connector of dust cover inside with several pulverizing nozzle water inlet pipes, fixing circular envelope dirt interface after dust cover.
Wherein: the flexible sealing fin with drilling rod equal diameter circular hole has sealing cut length+drilling rod equal diameter Circularhole diameter >=bit diameter.
Wherein: envelope dirt interface interior diameter >=bit diameter.
Wherein: on three faces of dust cover, be provided with hanging fixing threaded hole.
Wherein: also comprise that the meshed net cage of sidewall band is placed in depositing dust and is flexible coupling under cylinder.
The beneficial effects of the utility model are: the utility model is simple in structure, envelope dirt is effective, cost is low, practical, first drilling rod and rib contact site dust are realized envelope dirt, secondly sealed the dust passage between drilling rod and dust arrester, finally realize the gush out dust Control of passage of coal dust, utilized static pressure water pipe under mine to realize dedusting, energy free consumes, coordinate the meshed net cage of sidewall band to be placed in depositing dust and be flexible coupling under cylinder, realize the recovery to coarse slime.
Accompanying drawing explanation
Fig. 1. the utility model master looks schematic diagram;
Fig. 2. schematic diagram is looked on the utility model left side;
Fig. 3. the meshed cage structure schematic diagram of the utility model sidewall band.
The specific embodiment
Accompanying drawing number
1. dust covers in figure, 2. envelope dirt interface, 3. water supply connector, 4. water inlet pipe, 5. pulverizing nozzle, 10. flexible sealing fin, 11. drilling rod equal diameter circular holes, the 12. depositing dusts cylinder that is flexible coupling, 15. hanging fixing threaded holes, 30. sealing cuts, 31. sidewalls, 32. net cages, 33. mesh, 34. delivery ports, 50. water inlet switchs.
The first embodiment
Referring to Fig. 1, Fig. 2, a kind of coal bed drilling drilling hole dust collector device, it comprises dust cover 1, be characterised in that: dust cover 1 front is by the fixing flexible sealing fin 10 with drilling rod equal diameter circular hole 11 of flexible sealing fin fixed screw 22, dust cover 1 lower end cover has the depositing dust cylinder 12 that is flexible coupling, dust cover 1 upper end is fixing with inserting the water supply connector 3 of dust cover inside with two pulverizing nozzle 5 water inlet pipes 4, and dust cover 1 is fixing circular envelope dirt interface 2 below.Wherein flexible sealing fin 10 expense adhesive tapes are made.
The second embodiment
Referring to Fig. 1, Fig. 2, a kind of coal bed drilling drilling hole dust collector device, it comprises dust cover 1, be characterised in that: dust cover 1 front is by the fixing flexible sealing fin 10 with drilling rod equal diameter circular hole 11 of flexible sealing fin fixed screw 22, dust cover 1 lower end cover has the depositing dust cylinder 12 that is flexible coupling, dust cover 1 upper end is fixing with inserting the water supply connector 3 of dust cover inside with two pulverizing nozzle 5 water inlet pipes 4, and dust cover 1 is fixing circular envelope dirt interface 2 below.Wherein flexible sealing fin 10 expense adhesive tapes are made.
Wherein: the flexible sealing fin 10 with drilling rod equal diameter circular hole 11 has sealing cut 30 length+drilling rod equal diameter circular hole 11 diameters >=bit diameter.
Wherein: envelope dirt interface 2 interior diameters >=bit diameter.
The 3rd embodiment
Referring to Fig. 1, Fig. 2, a kind of coal bed drilling drilling hole dust collector device, it comprises dust cover 1, be characterised in that: dust cover 1 front is by the fixing flexible sealing fin 10 with drilling rod equal diameter circular hole 11 of flexible sealing fin fixed screw 22, dust cover 1 lower end cover has the depositing dust cylinder 12 that is flexible coupling, dust cover 1 upper end is fixing with inserting the water supply connector 3 of dust cover inside with two pulverizing nozzle 5 water inlet pipes 4, and dust cover 1 is fixing circular envelope dirt interface 2 below.Wherein flexible sealing fin 10 use sheet rubbers are made.
Wherein: the flexible sealing fin 10 with drilling rod equal diameter circular hole 11 has sealing cut 30 length+drilling rod equal diameter circular hole 11 diameters >=bit diameter.
Wherein: envelope dirt interface 2 interior diameters >=bit diameter.
Wherein: on 1 three faces of dust cover, be provided with hanging fixing threaded hole 15.
The 4th embodiment
Referring to Fig. 1, Fig. 2, a kind of coal bed drilling drilling hole dust collector device, it comprises dust cover 1, be characterised in that: dust cover 1 front is by the fixing flexible sealing fin 10 with drilling rod equal diameter circular hole 11 of flexible sealing fin fixed screw 22, dust cover 1 lower end cover has the depositing dust cylinder 12 that is flexible coupling, dust cover 1 upper end is fixing with inserting the water supply connector 3 of dust cover inside with two pulverizing nozzle 5 water inlet pipes 4, and dust cover 1 is fixing circular envelope dirt interface 2 below.Wherein flexible sealing fin 10 use sheet rubbers are made.
Wherein: the flexible sealing fin 10 with drilling rod equal diameter circular hole 11 has sealing cut 30 length+drilling rod equal diameter circular hole 11 diameters >=bit diameter.
Wherein: envelope dirt interface 2 interior diameters >=bit diameter.
Wherein: on 1 three faces of dust cover, be provided with hanging fixing threaded hole 15.
Wherein: also comprise that sidewall 31 is placed in depositing dust with the net cage 32 of mesh 33 and is flexible coupling under cylinder 12.
For the ease of understanding, introduce using method, rig spuds in and plays the boring that a degree of depth is greater than envelope dirt interface 2 length, withdraw from drilling rod and drill bit, the utility model is sealed to dirt interface 2 and insert boring, with iron wire, being through at hanging fixing threaded hole 15, to be fixed on anchor online, and drill bit and drilling rod are inserted to boring from sealing cut 30, static pressure water pipe under water supply connector 3 access mines, net cage 32 is placed in to depositing dust and is flexible coupling under cylinder 12, open after water inlet switch 50, start rig and realize and creeping into.Coarse slime in net cage 32 can manual recovery, and waste water enters gutter from delivery port 34.
Claims (8)
1. a coal bed drilling drilling hole dust collector device, it comprises dust cover, be characterised in that: dust cover front is by the fixing flexible sealing fin with drilling rod equal diameter circular hole of flexible sealing fin fixed screw, dust cover lower end cover has the depositing dust cylinder that is flexible coupling, dust cover upper end is fixing with inserting the water supply connector of dust cover inside with several pulverizing nozzle water inlet pipes, fixing circular envelope dirt interface after dust cover.
2. a kind of coal bed drilling drilling hole dust collector device according to claim 1, is characterized in that: the flexible sealing fin with drilling rod equal diameter circular hole has sealing cut length+drilling rod equal diameter Circularhole diameter >=bit diameter.
3. a kind of coal bed drilling drilling hole dust collector device according to claim 1, is characterised in that: envelope dirt interface interior diameter >=bit diameter.
4. a kind of coal bed drilling drilling hole dust collector device according to claim 1, is characterised in that: on three faces of dust cover, be provided with hanging fixing threaded hole.
5. a kind of coal bed drilling drilling hole dust collector device according to claim 2, is characterised in that: envelope dirt interface interior diameter >=bit diameter.
6. a kind of coal bed drilling drilling hole dust collector device according to claim 2, is characterised in that: on three faces of dust cover, be provided with hanging fixing threaded hole.
7. a kind of coal bed drilling drilling hole dust collector device according to claim 5, is characterised in that: on three faces of dust cover, be provided with hanging fixing threaded hole.
8. according to a kind of coal bed drilling drilling hole dust collector device described in claim 1 or 2 or 3 or 4 or 5 or 6 or 7, be characterised in that: also comprise that the meshed net cage of sidewall band is placed in depositing dust and is flexible coupling under cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420211882.1U CN203879533U (en) | 2014-04-22 | 2014-04-22 | Orifice dust removal device for coal seam drilled hole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420211882.1U CN203879533U (en) | 2014-04-22 | 2014-04-22 | Orifice dust removal device for coal seam drilled hole |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203879533U true CN203879533U (en) | 2014-10-15 |
Family
ID=51680042
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420211882.1U Expired - Fee Related CN203879533U (en) | 2014-04-22 | 2014-04-22 | Orifice dust removal device for coal seam drilled hole |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203879533U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105545346A (en) * | 2016-01-28 | 2016-05-04 | 安徽理工大学 | Direction adjustable foam dedusting device used in underground coal mine |
| CN110485952A (en) * | 2019-09-20 | 2019-11-22 | 核工业井巷建设集团有限公司 | A kind of hidden hole drilling drilling hole dust collector device |
-
2014
- 2014-04-22 CN CN201420211882.1U patent/CN203879533U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105545346A (en) * | 2016-01-28 | 2016-05-04 | 安徽理工大学 | Direction adjustable foam dedusting device used in underground coal mine |
| CN105545346B (en) * | 2016-01-28 | 2023-09-15 | 安徽理工大学 | Foam dust removal device with adjustable direction for underground coal mine |
| CN110485952A (en) * | 2019-09-20 | 2019-11-22 | 核工业井巷建设集团有限公司 | A kind of hidden hole drilling drilling hole dust collector device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141015 |