CN103790618B - A kind of mining water-bath type orifice blowout prevention and dust arrester - Google Patents
A kind of mining water-bath type orifice blowout prevention and dust arrester Download PDFInfo
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- CN103790618B CN103790618B CN201410077160.6A CN201410077160A CN103790618B CN 103790618 B CN103790618 B CN 103790618B CN 201410077160 A CN201410077160 A CN 201410077160A CN 103790618 B CN103790618 B CN 103790618B
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Abstract
A kind of mining water-bath type orifice blowout prevention and dust arrester, comprise disposal box, skeleton flexible pipe, water-bath type dust cleaning case, high-pressure rubber pipe etc.Use when being suitable for non-circulating drilling firedamp taking-out discharging drilling in the coal seam of coal and gas prominent coal seam, soft seam or sulfide hydrogen, carbon dioxide.Under the effect of the negative pressure of bleeding that the air-flow that aperture is blown (spray) goes out provides at gas drainage system, after being collected by disposal box, water-bath type dust cleaning case is drawn into through skeleton flexible pipe, by the mode of gas distribution, the broken bubble of classification, through with the addition of the solution purification of dedusting agent, by dust contained in air-flow, hydrogen sulfide, carbon sink or absorption, the air-flow containing gas after purification enters water collector, is finally drawn into methane gas extraction pipeline.Its structure, operating principle are simple, without the need to electric power, explosion-proof and good leak tightness, safe and reliable; Noise is little, volume is moderate, operation, convenient in carrying, practical; Can work in tandem, can according to aperture gas output bleeding regulating amount, anti-spray orifice, dust removing effects are desirable.
Description
Technical field
The present invention relates to a kind of mining water-bath type orifice blowout prevention and dust arrester, use when being suitable for gas discharge in mine boring non-circulating drilling, be particularly useful for coal and gas prominent coal seam, soft seam or sulfide hydrogen, carbon dioxide coal seam non-circulating drilling firedamp taking-out discharging drilling time use.
Background technology
Along with the development of national economy, Coal Energy Source total amount is consumed and day by day increased, the dynamics of coal mining also strengthens thereupon, comparatively easily the coal seam of exploitation is reduced day by day, increasing colliery has started to exploit high, the easily outstanding coal seam of gas bearing capacity in order to the needs meeting Demand of Nation and self-growth, must carry out gas pre-drainage measure before these seam minings.Construct in these coal seams firedamp taking-out discharging drilling time, the mode of general use wind power slag-discharging, make to produce a large amount of coal dusts near aperture, the dust concentration severe overweight in wind direction tunnel under bore operation place can be caused, and high gas layer is implemented in firedamp taking-out discharging drilling process, often with the generation of " spray orifice " phenomenon, coal particle is with the speed ejection rapidly of a large amount of high concentration gas gas, not only easily injure drilling construction personnel, and gas pours out, also local gas can be caused to transfinite, and serious harm is to mine safety production.In some are containing high hydrogen sulfide or carbon dioxide coal seam during dry drilling, the hydrogen sulfide of the high concentration produced in boring procedure or carbon dioxide understand the life security of serious threat to operating personnel.Therefore, effective control measures must be taked.
At present, domestic existing orifice blowout prevention, dust arrester adopt flange to carry out pipeline connection mostly, the general more complicated of structure; The making material explosion-proof performance of most use is poor; Device shows slightly heaviness and is not easy to carrying, and volume is bigger than normal, and small space (space that removing rig, belt or track the occupy after) compliance remaining for bottom, tunnel is poor.Individual orifices blowout prevention dust arrester (as ZL201220537931.1) is although structure is simple, and volume is little, simple operation, and its seal is poor, also can not according to aperture gas output bleeding regulating amount, and anti-spray orifice, dust removing effects are limited; Especially in coal seam containing hydrogen sulfide or carbon dioxide time, the hydrogen sulfide or carbon dioxide that contain in air-flow cannot be removed, easily to the life security of operating personnel, healthyly to threaten.
Summary of the invention
For the weak point of existing orifice blowout prevention, device for reducing dust, the invention discloses a kind of mining water-bath type orifice blowout prevention and dust arrester, its structure, operating principle are simple, good, safe and reliable without the need to electric power, explosion-proof; Good airproof performance, can work in tandem, can according to aperture gas output bleeding regulating amount; Noise is little, volume is moderate, operation, convenient in carrying, practical, anti-spray orifice, dust removing effects are desirable, use when being suitable for gas discharge in mine boring non-circulating drilling, use when being particularly useful for non-circulating drilling firedamp taking-out discharging drilling in the coal seam of coal and gas prominent coal seam, soft seam or sulfide hydrogen, carbon dioxide.
The present invention discloses a kind of mining water-bath type orifice blowout prevention and dust arrester, comprises disposal box, skeleton flexible pipe, water-bath type dust cleaning case, high-pressure rubber pipe etc.Under the effect of the negative pressure of bleeding that the air-flow of aperture ejection provides at gas drainage system, after being collected by disposal box, water-bath type dust cleaning case is drawn into through skeleton flexible pipe, by the mode of gas distribution, the broken bubble of classification, through with the addition of the solution purification of dedusting agent, by dust contained in air-flow, hydrogen sulfide, carbon sink or absorption, the air-flow containing gas after purification enters water collector, is finally drawn into methane gas extraction pipeline." spray orifice " phenomenon occurred in firedamp taking-out discharging drilling work progress can be eliminated by this, guarantee drilling construction safety; Local gas can be avoided to transfinite simultaneously, promote mine safety production; Especially can suppress that the hydrogen sulfide in drilling construction process, carbon dioxide, gas etc. are poisonous, pernicious gas and dust loss to tunnel, effectively improve operating environment, protection operating personnel healthy.
Described disposal box is made up of mixed material, and wherein aperture insertion pipe, rear end sealed tube and disposal box main body adopt no-spark explosion-proof type aluminum copper alloy material to make, and gas collection mouth, scum pipe adopt hard plastics to make; Gas collection mouth upper end is " bamboo shoot " formula interface, connecting framework flexible pipe, and lower end adopts helicitic texture to be connected with disposal box main body; Disposal box main body upper end adopts broad mouth type design, the resistance reduce dust collecting opening gas collection, gathering dust, and lower end adopts the design of handstand broad mouth type, is convenient to collect drilling cuttings, realizes drilling cuttings and be automatically separated with dust; Boring is inserted in insertion pipe one end, aperture, and the other end adopts the mode of clamping to be connected with disposal box main body; Rear end sealed tube adopts snap fit to be connected with disposal box main body, the other end is provided with the airtight cushion rubber made by elastomeric material, gap between airtight drilling rod and rear end sealed tube, after aperture insertion pipe and airtight cushion rubber are by drilling rod heavy wear, can for convenience detach, change; Scum pipe upper end adopts helicitic texture to be connected with disposal box main body, lower end is equipped with spring and is drawn lid, spring La Gai one end adopts hinge structure to be connected with scum pipe bottom, hinge structure offside hangs with the spring that has certain coefficient of elasticity, and the other end of spring hangs on the hook of scum pipe lower inner wall; When spring draws the side of covering to have accumulated the drilling cuttings of constant weight, lid is backed down, drilling cuttings drops out from opening part, along with the minimizing of the coal powder quantity of bore above lid, when above lid, the deadweight sum of drilling cuttings weight and lid is less than spring tension, spring draws lid to close, and decreases in tunnel the air capacity entering disposal box, ensures the seal of disposal box to a certain extent.
Described skeleton flexible pipe adopts PVC material to make, and the plastic sheeting that inwall cementation layer of surface is smooth reduces pumping resistance, reduces the hold-up of dust at skeleton hose inner wall, is convenient to cleaning, dries.
Described water-bath type dust-removing box brokenly to be indulged in serfing the Net by storage tank, laying dust pond, outside wireway, internal passageway, air inlet isocon, classification, serial interface, fastening bolt, ball valve are formed; The inside and outside wall in storage tank, laying dust pond adopts stainless steel material to make, the polyester fiber damping material with certain shatter value is filled with between inside and outside wall, to reduce noise that air-flow and fluid friction produce to the impact of operating environment, inner wall surface scribbles epoxide coal bituminous material, acid-proof, caustic corrosion; Storage tank is connected by hinge structure with laying dust pond, can convenient folding, and the offside of hinge structure is equipped with fastening bolt structure, is tightened together storage tank lower end with upper end, laying dust pond; There is a circle groove on top, laying dust pond, places sealing mat, to prevent storage tank and the fastening place leakage of laying dust pond in groove.
Four extraction valves are had above described storage tank, be connected with water collector admission valve by high-pressure rubber pipe, generally use one or two, if aperture gas output is larger, suitably can increase the usage quantity of extraction valve, with the gas collection amount of the rate of air sucked in required or disposal box that increase water-bath type dust cleaning case; A water intaking valve is arranged at storage tank top, can connect static pressure water pipe, for storage tank supplies water; Water intaking valve offside has " bamboo shoot " formula serial interface, does not need to adopt rubber plug to close during series connection water-bath type dust cleaning case, avoids gas leakage to affect blowout prevention or dust removing effects; Under the condition that negative pressure allows, multiple water-bath type dust cleaning case series connection can be worked together simultaneously, the air-flow containing dirt, hydrogen sulfide or carbon dioxide repeatedly be purified, guarantees that water-bath type dust cleaning case has better environmental suitability and more stable clean-up effect; Wall there is slit-aperture type observation window of liquid level, adopt rubber packing material and transparent resin material to make, clearly can observe liquid level position; A draining valve is arranged at storage tank bottom, for discharge opeing, regulates liquid level.
Described outside wireway one end is " bamboo shoot " formula air inlet port, connecting framework flexible pipe; The other end adopts helicitic texture, is communicated with storage tank bottom; The middle quick junction be made up of fast joint and pass-through interface a place, is convenient to be taken apart by outside wireway fast clean.
Described internal passageway one end has helicitic texture can be installed on storage tank inwall, with for convenience detach; The other end adopts helicitic texture to be connected with air inlet isocon.
Described air inlet isocon one end is connected with internal passageway by helicitic texture, can be for convenience detach, cleaning inwall; The other end is equipped with the rubber plug being clamped in air inlet isocon inwall, prevents gas from entering liquid without shunting; Air inlet isocon there is the aperture of some, certain diameter, for shunting the gas entered in storage tank, making unlikely too the concentrating of gas enter the larger bubble of liquid internal formation, reducing the broken load of indulging in serfing the Net of classification.
Described classification is broken indulges in serfing the Net and to be made up of filter screen, " well " font fine steel rib, " recessed " font rubber ring, and filter screen adopts stainless steel or copper material to make, and is clipped in by the middle of two-layer " well " type fine steel rib adopting stainless steel material to make; The edge card of " well " type fine steel rib in the groove of " recessed " font rubber ring, can for convenience detach, cleaning, change; Broken the indulging in serfing the Net of classification has four layers, is arranged in the middle part of storage tank, is stuck in the groove of storage tank inwall, is spaced a distance between adjacent two layers, and broken the indulging in serfing the Net of bottom one deck classification is arranged in above air inlet isocon, and is spaced a distance with it; Four metafiltration netting gears have different order numbers, and its order number reduces from top to bottom successively by the position at its place separately, bubble " cutting " larger for equivalent diameter can be become the bubble that equivalent diameter is less, to increase the gross area in gas-liquid contact face; Bubble, with tiny spine, can puncture, impel gas-liquid fully to contact as much as possible by screen surface in the process of " cutting " bubble.
The invention has the advantages that: structure, operating principle are simple, good, safe and reliable without the need to electric power, explosion-proof; Good airproof performance, can work in tandem, can according to aperture gas output bleeding regulating amount; Volume is moderate, operation, convenient in carrying, practical; Anti-spray orifice, dust removing effects are desirable, can effectively suck and the high concentrate dust of sedimentation gas discharge in mine boring dry drilling generation, " spray orifice " phenomenon that elimination coal and gas prominent coal seam or soft seam non-circulating drilling firedamp taking-out discharging drilling easily occur; The coal seam of especially poisonous for the hydrogen sulfide containing high concentration or carbon dioxide etc., pernicious gas; certain density dedusting agent (containing a certain amount of alkaline components) is added in water-bath type dust-removing box; can effectively hydrogen sulfide or carbon dioxide be absorbed, protection bore operation personnel's is healthy.
Accompanying drawing explanation
Fig. 1 is the structure chart of water-bath type dust-removing box of the present invention;
Fig. 2 is overall structure figure of the present invention;
Fig. 3 is the broken structure chart of indulging in serfing the Net of classification of the present invention;
Fig. 4 is the structure chart of disposal box of the present invention.
In figure, 1. storage tank, 2. laying dust pond, 3. air inlet port, 4. extraction valve, 5. water intaking valve, 6. draining valve, 7. serial interface, 8. outside wireway, 9. internal passageway, 10. fast interface, 11. screw threads, 12. air inlet isocons, 13. classifications are broken indulges in serfing the Net, 14. rubber rings, 15. fine steel ribs, 16. observation window of liquid levels, 17. rubber plugs, 18. sealing mats, 19. hinges, 20. fastening bolts, 21. damping materials, 22. disposal boxes, 23. gas collection mouths, 24. aperture insertion pipes, 25. rear end sealed tubes, 26. airtight cushion rubbers, 27. scum pipes, 28. springs draw lid, 29. disposal box main bodys, 30. skeleton flexible pipes, 31. pipe collars, 32. ribs, 33. rigs, 34. drilling rods, 35. drill bits, 36. air lines, 37. cinders, 38. water-bath type dust cleaning cases, 39. high-pressure rubber pipes, 40. water collectors, 41. water collector admission valves, 42. water collector discharging valves, 43. methane gas extraction pipelines.
Detailed description of the invention
By reference to the accompanying drawings the specific embodiment of the present invention is described: before starting boring, first with skeleton flexible pipe 30, the gas collection mouth 23 of disposal box is connected with the air inlet port 3 of water-bath type dust cleaning case, and with pipe collar 31, junction is compressed; Then connect extraction valve 4 and water collector admission valve 41 with high-pressure rubber pipe 39, and confirm whether water collector 40 is connected with methane gas extraction pipeline 43.
Before adding water in water-bath type dust cleaning case 38, come loose fastening bolt 20, opens water-bath type dust cleaning case 38, after dedusting agent being put into laying dust pond 2, then screwed by fastening bolt 20; And then static pressure water pipe is connected with the water intaking valve 5 of water-bath type dust cleaning case.Open water intaking valve 5, discharge water and enter water-bath type dust cleaning case 38, by observation window of liquid level 16 observe liquid level change, until liquid level just the classification of the Mei Guo the superiors broken indulge in serfing the Net 13 time, close water intaking valve 5.
During construction drill, first adopt large size drill bit (its diameter is identical with aperture insertion pipe 24 external diameter) perforate, after creeping into 0.5m, exit drilling rod 34, take off large size drill bit.Be enclosed within by disposal box 22 on drilling rod 34, drilling rod 34 penetrates from rear end sealed tube 25, passes from aperture insertion pipe 24, then installs small size its diameter of drill bit 35(in drilling rod 34 front end identical with drilling design diameter), by drill bit 35 and aperture insertion pipe 24 patchhole.After confirming aperture insertion pipe 24 and rib 32 close contact, with iron wire and support bar, disposal box main body 29 is fixed.After opening the extraction valve 4 of water collector admission valve 41, water-bath type dust cleaning case successively, what can start boring normally creeps into work.
If aperture gas output is comparatively large, suitably can increases the usage quantity of extraction valve 4, connect water-bath type dust cleaning case extraction valve and corresponding water collector admission valve with high-pressure rubber pipe, with the gas collection amount of the rate of air sucked in required or disposal box 22 that increase water-bath type dust cleaning case 38; In addition, under the condition that negative pressure allows, if desired multiple water-bath type dust cleaning case 38 is connected and is worked together simultaneously, can take off the rubber plug 17 at serial interface 7 place, is connected successively by the air inlet port 3 of serial interface 7 with adjacent water-bath type dust cleaning case by skeleton flexible pipe 30.
Wait to drill complete, exit drill bit 35, close extraction valve 4, water collector admission valve 41 successively, disposal box 22 is taken off, opens draining valve 6, after the waste water in water-bath type dust cleaning case 38 is entered gutter, pull down skeleton flexible pipe 30, high-pressure rubber pipe 39.With static pressure water cleaning disposal box 22, open water-bath type dust cleaning case 38, cleaning laying dust pond 2, and by brokenly to air inlet isocon 12, internal passageway 9, classification indulging in serfing the Net 13, outside wireway 8 pulls down cleaning successively.After cleaning, by brokenly for classification indulging in serfing the Net 13, internal passageway 9, air inlet isocon 12, outside wireway 8 load onto successively, and empty the ponding in laying dust pond 2, close storage tank 1, fastening with fastening bolt 20.
The design of a kind of mining water-bath type orifice blowout prevention of the present invention and dust arrester is: in dry drilling drilling process, under the effect of the negative pressure of bleeding that the air-flow that aperture is blown (spray) goes out provides at gas drainage system, collect through disposal box, enter in water-bath type dust-removing box, shunt through air inlet isocon, at the bubble of the dispersion that the liquid internal containing dedusting agent is formed, classifiedly more brokenly indulge in serfing the Net after these bubble graded crushings, make it fully to contact with solution, thus poisonous, the pernicious gas of the dust removed in air-flow and the high concentration such as hydrogen sulfide, carbon dioxide.The present invention can make the dust arrester of different materials, specification and form of structure according to material, specification, form of structure etc., without departing from the inventive concept of the premise, all should belong to protection scope of the present invention.
Claims (9)
1. a mining water-bath type orifice blowout prevention and dust arrester, by disposal box, skeleton flexible pipe, water-bath type dust cleaning case, high-pressure rubber pipe forms, it is characterized in that: under the effect of the negative pressure of bleeding that the air-flow of aperture ejection provides at gas drainage system, after being collected by disposal box, water-bath type dust cleaning case is drawn into through skeleton flexible pipe, pass through gas distribution, the mode of the broken bubble of classification, through with the addition of the solution purification of dedusting agent, by dust contained in air-flow, hydrogen sulfide, carbon sink or absorption, air-flow containing gas after purification enters water collector, finally be drawn into methane gas extraction pipeline.
2. mining water-bath type orifice blowout prevention according to claim 1 and dust arrester, it is characterized in that: described disposal box is made up of mixed material, wherein aperture insertion pipe, rear end sealed tube and disposal box main body adopt no-spark explosion-proof type aluminum copper alloy material to make, and gas collection mouth, scum pipe adopt hard plastics to make; Gas collection mouth upper end is " bamboo shoot " formula interface, connecting framework flexible pipe, and lower end adopts helicitic texture to be connected with disposal box main body; Disposal box main body upper end adopts broad mouth type design, and lower end adopts the design of handstand broad mouth type; Boring is inserted in insertion pipe one end, aperture, and the other end adopts the mode of clamping to be connected with disposal box main body; Rear end sealed tube adopts snap fit to be connected with disposal box main body, and the other end is provided with the airtight cushion rubber made by elastomeric material; Scum pipe upper end adopts helicitic texture to be connected with disposal box main body, lower end is equipped with spring and is drawn lid, spring La Gai one end adopts hinge structure to be connected with scum pipe bottom, and hinge structure offside hangs with a spring, and the other end of spring hangs on the hook of scum pipe lower inner wall.
3. mining water-bath type orifice blowout prevention according to claim 1 and dust arrester, is characterized in that: described skeleton flexible pipe adopts PVC material to make, the plastic sheeting that inwall cementation layer of surface is smooth.
4. mining water-bath type orifice blowout prevention according to claim 1 and dust arrester, is characterized in that: described water-bath type dust-removing box brokenly to be indulged in serfing the Net by storage tank, laying dust pond, outside wireway, internal passageway, air inlet isocon, classification, serial interface, fastening bolt, ball valve are formed; The inside and outside wall in storage tank, laying dust pond adopts stainless steel material to make, and be filled with polyester fiber damping material between inside and outside wall, inner wall surface scribbles epoxide coal bituminous anti-corrosion material; Storage tank is connected by hinge structure with laying dust pond, and the offside of hinge structure is equipped with fastening bolt structure; There is a circle groove on top, laying dust pond, places sealing mat in groove.
5. mining water-bath type orifice blowout prevention according to claim 4 and dust arrester, it is characterized in that: above described storage tank, have four ball valves of bleeding, a draining valve is arranged at bottom, and a water intaking valve is arranged at top, and water intaking valve offside has " bamboo shoot " formula serial interface; Wall there is slit-aperture type observation window of liquid level, adopt rubber packing material and transparent resin material to make.
6. mining water-bath type orifice blowout prevention according to claim 4 and dust arrester, is characterized in that: described outside wireway one end is " bamboo shoot " formula air inlet port, and the other end has helicitic texture, is communicated with storage tank bottom; What centre was made up of fast joint and pass-through interface a place disconnects place fast.
7. mining water-bath type orifice blowout prevention according to claim 4 and dust arrester, is characterized in that: described internal passageway one end has helicitic texture can be installed on storage tank inwall; The other end adopts helicitic texture to be connected with air inlet isocon.
8. mining water-bath type orifice blowout prevention according to claim 4 and dust arrester, is characterized in that: described air inlet isocon one end is connected with internal passageway by helicitic texture, can be for convenience detach, cleaning inwall; The other end is equipped with the rubber plug being clamped in air inlet isocon inwall, prevents gas from entering liquid without shunting; Air inlet isocon there is the aperture of some, certain diameter, for shunting the gas entered in storage tank, making unlikely too the concentrating of gas enter the larger bubble of liquid internal formation, reducing the broken load of indulging in serfing the Net of classification.
9. mining water-bath type orifice blowout prevention according to claim 4 and dust arrester, it is characterized in that: described classification is broken indulges in serfing the Net and to be made up of filter screen, " well " font fine steel rib, " recessed " font rubber ring, filter screen adopts stainless steel or copper material to make, surface, with tiny spine, is clipped in by the middle of two-layer " well " type fine steel rib adopting stainless steel material to make; The edge card of " well " type fine steel rib is in the groove of " recessed " font rubber ring; The broken total level Four of indulging in serfing the Net of classification, keeps at a certain distance away between adjacent two-stage, is all stuck in the groove of storage tank inwall; Broken the indulging in serfing the Net of bottom one deck classification is arranged in above air inlet isocon, and is spaced a distance with it; Different classification is broken indulge in serfing the Net in filter screen there is different order numbers; The order number of filter screen reduces from top to bottom successively by the position at the broken place of indulging in serfing the Net of the classification belonging to it.
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| CN201410077160.6A CN103790618B (en) | 2014-03-05 | 2014-03-05 | A kind of mining water-bath type orifice blowout prevention and dust arrester |
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| CN201410077160.6A CN103790618B (en) | 2014-03-05 | 2014-03-05 | A kind of mining water-bath type orifice blowout prevention and dust arrester |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU724781A1 (en) * | 1978-10-23 | 1980-03-30 | Всесоюзный научно-исследовательский институт горной геомеханики и маркшейдерского дела | Method of preventing flooding of earth-surface worked areas by subsoil and surface waters |
| SU727160A3 (en) * | 1976-04-07 | 1980-04-05 | Баньасати Кутато Интезет (Инопредприятие) | Method of protecting underground cavities from water flush |
| CN101446178A (en) * | 2008-11-13 | 2009-06-03 | 煤炭科学研究总院西安研究院 | Wind pressure air drilling equipment in downhole soft outbursting coal bed and process matched therewith |
| CN201771541U (en) * | 2010-07-19 | 2011-03-23 | 安阳鑫龙煤业(集团)果园煤业有限责任公司 | Negative-pressure dust remover |
| CN202926262U (en) * | 2012-11-19 | 2013-05-08 | 常庆兵 | Coal powder dust catcher |
-
2014
- 2014-03-05 CN CN201410077160.6A patent/CN103790618B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU727160A3 (en) * | 1976-04-07 | 1980-04-05 | Баньасати Кутато Интезет (Инопредприятие) | Method of protecting underground cavities from water flush |
| SU724781A1 (en) * | 1978-10-23 | 1980-03-30 | Всесоюзный научно-исследовательский институт горной геомеханики и маркшейдерского дела | Method of preventing flooding of earth-surface worked areas by subsoil and surface waters |
| CN101446178A (en) * | 2008-11-13 | 2009-06-03 | 煤炭科学研究总院西安研究院 | Wind pressure air drilling equipment in downhole soft outbursting coal bed and process matched therewith |
| CN201771541U (en) * | 2010-07-19 | 2011-03-23 | 安阳鑫龙煤业(集团)果园煤业有限责任公司 | Negative-pressure dust remover |
| CN202926262U (en) * | 2012-11-19 | 2013-05-08 | 常庆兵 | Coal powder dust catcher |
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