CN104373124B - A kind of tunneling working face dust guard and dust-control method - Google Patents

A kind of tunneling working face dust guard and dust-control method Download PDF

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Publication number
CN104373124B
CN104373124B CN201410460863.7A CN201410460863A CN104373124B CN 104373124 B CN104373124 B CN 104373124B CN 201410460863 A CN201410460863 A CN 201410460863A CN 104373124 B CN104373124 B CN 104373124B
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dust
nozzle
steel pipe
machine
head
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CN104373124A (en
Inventor
周刚
程卫民
聂文
崔向飞
王刚
陈连军
马有营
薛娇
朱良
徐翠翠
万纯新
王昊
张磊
张琦
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Shandong University of Science and Technology
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Shandong University of Science and Technology
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    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21CMINING OR QUARRYING
    • E21C35/00Miscellaneous items relating to machines for slitting or completely freeing the mineral from the seam
    • E21C35/22Equipment for preventing the formation of, or for removal of, dust

Abstract

The invention discloses a kind of tunneling working face dust guard and dust-control method, it includes tunneling head spraying and crushing transfer system spraying, wherein, driving back-end of machine head is provided with packaging type sprayer unit, driving head front end is exposed at outside packaging type sprayer unit, this packaging type sprayer unit includes being nested with the interior steel pipe on driving head and outer steel pipe, eight be evenly arranged between interior steel pipe and outer steel pipe, containing the mixing type nozzle of X-shaped Water conservancy diversion core Radix Rumicis rotation mouth, can form the spherical depositing dust region that parcel development end is met head on.For broken transfer system dust, outside disintegrating machine, bridge conveyor arranges dust-blocking cover totally-enclosed control dirt with belt conveyer junction, on the other hand be aided with in all directions, multi-angle atomizer efficiently catches dirt, in addition, in conjunction with chemistry dedusting, air curtain dust-separation technology, define more comprehensively synthesis dust prevention measure at tunneling working face, make the dust concentration in machine pick face be reduced to 10mg/m3Hereinafter, the working environment of staff is significantly improved.

Description

A kind of tunneling working face dust guard and dust-control method
Technical field
The present invention relates to mine underground dustproof field, a kind of tunneling working face dust guard and dust-control method.
Background technology
From China's introduction sixties in last century First development machine, China's coal-mine down-hole mechanical degree is more and more higher, driving Machine obtains relatively broad application, the most in recent years, quickly popularizing of high-power development machine in China's coal-mine, accelerates me The development of state's experimentation.Experimentation, while improving tunneling working face driving speed, also causes face dust concentration anxious Sharp increase adds.Survey factually, tunneling working face in the case of not taking any dust prevention mean dust concentration close to 1000mg/m3, Locally place dust concentration is up to 3000mg/m3, and having the dust close to 55% is respirable dust, the most seriously exceedes country The relevant regulations of safety criterion.So high concentrate dust the most then reduces the labor productivity of miner, affects ore deposit well yield and benefit, Heavy then cause miner to suffer from pneumoconiosis and can not cure for a long time and dead, or cause dust explosion, cause great casualties and economical damage Losing harm huge, safety in production and miner's physical and mental health to colliery bring serious threat.
At present, each mine main is for the high problem of tunneling working face dust concentration, although take such as development machine external spraying, The dust prevention and control measures such as dedusting fan dust suction, foam dust-removing, but effect is unsatisfactory so that fail to be formed relatively at tunneling working face For easy, practical Mine Integrated dust-control method.
Summary of the invention
In view of above-mentioned the deficiencies in the prior art, it is an object of the invention to provide a kind of tunneling working face dust guard and dust-control method, To improve depositing dust or dust-proof efficiency, improve the working environment of tunneling working face.
For solving above-mentioned technical problem, the present invention program includes:
A kind of tunneling working face dust guard, it includes tunneling head, wherein, tunnels back-end of machine head and be provided with packaging type spraying dress Putting, driving head front end is exposed at outside packaging type sprayer unit, and this packaging type sprayer unit includes being nested with on driving head Interior steel pipe and outer steel pipe, feed high-pressure air source and water source, for atomizing de-dusting, interior steel pipe in steel pipe and outer steel pipe respectively inwards And it is evenly arranged eight mixing type nozzles containing X-shaped Water conservancy diversion core Radix Rumicis rotation mouth, the setting of each mixing type nozzle between outer steel pipe Point is 45 degree with the angle of the interior steel pipe line of centres, the extension line of each mixing type nozzle arranged direction and interior steel pipe axis Angle is 30 degree, and multiple each mixing type nozzles are in spraying state, forms the spherical depositing dust region that can cover tunneling working face.
Described tunneling working face dust guard, wherein, development machine is connected with the broken transfer system being used for crushing, transporting coal cinder Connecing, be provided with dust-blocking cover outside the disintegrating machine in broken transfer system, the charging aperture of disintegrating machine is disposed with multiple charging aperture nozzle, The discharging opening of disintegrating machine is disposed with multiple discharging opening nozzle, and dust-blocking cover front end is disposed with multiple disintegrating machine nozzle, disintegrating machine and a bridge Formula elevating conveyor is connected, and bridge conveyor and a ribbon conveyer are connected, and bridge conveyor turns with ribbon conveyer junction Multiple transfer point nozzle it is disposed with on loading point.
Described tunneling working face dust guard, wherein, above-mentioned charging aperture nozzle be four spray pattern be the nozzle diameter of bundle shape For the tangential centrifugal hybrid copper nozzle of 1.5mm, above-mentioned disintegrating machine nozzle be four spray pattern be that the spout of solid cone shaped is straight Footpath is the hybrid copper nozzle of vortex and centrifugal of 1.8mm, above-mentioned discharging opening nozzle be four spray pattern be the nozzle diameter of umbrella shape For the tangential centrifugal copper nozzle of 1.3mm, above-mentioned transfer point nozzle be four spray pattern be that the nozzle diameter of solid cone shaped is The band converging transition vortex and centrifugal formula stainless steel nozzle of 2.0mm.
Described tunneling working face dust guard, wherein, driving head is arranged on the front portion of development machine, development machine is provided with and drives Sail room, the development machine between driver's cabin and driving head is provided with the air curtain machine for forming isolation air curtain.
Described tunneling working face dust guard, wherein, development machine rear portion is provided with telescopic belt, telescopic belt is provided with anti- Dirt agent automatic adding device, dust-proofing agent automatic adding device can move with telescopic belt, and dust-proofing agent automatic adding device is by supplying water Pipeline is connected with external source, and dust-proofing agent automatic adding device is connected with packaging type sprayer unit by supply line.
Described tunneling working face dust guard, wherein, supply line is provided with booster pump.
Described tunneling working face dust guard, wherein, is provided with forced air duct in machine pick face, it is provided that sufficient air-flow, Introduced a distinguished and admirable branch road to interior steel pipe by this forced air duct, and have, along interior steel pipe axis, the circular air-out that width is 5mm Bar gap.
A kind of dust-control method using described tunneling working face dust guard, it comprises the following steps: by outward during driving head coal cutting Multiple mixing type nozzles ejection water smoke that steel pipe supplies water, water smoke sprays in the angle that interior steel pipe axis angle is 30 degree, in spray In mist pressure and interior steel pipe, air pressure acts on down jointly, and water smoke and meeting head on collides the active force of generation and nozzle injection shape between rib The motive force become, makes water smoke form spherical depositing dust region and is wrapped in by driving head interior;Synchronizing, air curtain machine ejects and tunnels The air-flow that head direct of travel is vertical forms isolation air curtain, intercepts the air circulation of driving head and driver's cabin;Isolation air curtain and ball Shape depositing dust region carries out dual depositing dust to driving head.
Described dust-control method, wherein, Tong Bu with above-mentioned steps, dust suppressant is added spray by application dust suppressant automatic adding device In the dust-proof water of mist, atomizing de-dusting, chemistry dedusting and air curtain dust-separation is made to combine;During the broken reprinting of coal petrography, charging aperture nozzle 45 degree of angles are become to spray along coal petrography transporting direction with horizontal line, coal petrography of prewetting;Disintegrating machine nozzle becomes 45 degree with horizontal line Spraying against coal petrography transporting direction in angle, traps broken dust;Discharging opening nozzle is sprayed vertically downward, does not traps front Small part dust carry out atomizing de-dusting;Transfer point nozzle becomes 45 degree of angles to spray along coal petrography transporting direction with horizontal line, Dust-blocking cover is internally formed negative pressure, small part loss is gone out in the inhalation mask again of the dust outside dust-blocking cover, traps.
A kind of tunneling working face dust guard of present invention offer and dust-control method, for tunneling machine cutting dust, use packaging type Sprayer unit forms spherical depositing dust region, is wrapped up by driving head, it is also possible to add chemistry fall in packaging type sprayer unit Dirt agent, cut dust is closed in driver front by the air curtain using air curtain to produce, and makes atomizing de-dusting, chemistry dedusting and gas Curtain dust-separation combines;For broken transfer system dust, on the one hand implement dust-blocking cover totally-enclosed control dirt, prevent from crushing, reprinting product The random disperse of dirt, is on the other hand aided with atomizer and efficiently catches dirt, so define more comprehensively Comprehensive Preventing at tunneling working face Dirt measure, not only safe ready, and effectively reduce the high concentrate dust in underground coal mine tunneling working face production process, Improve dustfall efficiency, make the dust concentration of tunneling working face be reduced to 10mg/m3Hereinafter, significantly improve staff's Working environment.
Accompanying drawing explanation
Fig. 1 is the side-looking structural representation of tunneling working face dust guard in the present invention;
Fig. 2 is the plan structure schematic diagram of tunneling working face dust guard in the present invention;
Fig. 3 is the forward sight structural representation of tunneling working face dust guard in the present invention;
Fig. 4 is the structural representation of air curtain machine in the present invention;
Fig. 5 is the structural representation of booster pump in the present invention;
Fig. 6 is the structural representation of dust-proofing agent automatic adding device in the present invention;
Fig. 7 is the structural representation of packaging type sprayer unit in the present invention;
Fig. 8 is the structural representation of broken transfer system in the present invention.
Detailed description of the invention
The invention provides a kind of tunneling working face dust guard and dust-control method, for making the purpose of the present invention, technical scheme and effect Fruit is clearer, clear and definite, and the present invention is described in more detail below.Only should be appreciated that specific embodiment described herein Only in order to explain the present invention, it is not intended to limit the present invention.
The invention provides a kind of tunneling working face dust guard and dust-control method, as shown in Figure 1, Figure 2, shown in Fig. 3 Yu Fig. 7, It includes tunneling head 1, and wherein, driving head 1 rear end is provided with packaging type sprayer unit 2, and driving head 1 front end is exposed at Packaging type sprayer unit 2 is outside, and this packaging type sprayer unit 2 includes being nested with the interior steel pipe 3 on driving head and outer steel pipe 4, High-pressure air source and water source is fed, for atomizing de-dusting respectively inwards in steel pipe 3 and outer steel pipe 4.Interior steel pipe 3 and outer steel pipe 4 Between be evenly arranged multiple containing X-shaped Water conservancy diversion core Radix Rumicis rotation mouth mixing type nozzle 5, mixing type nozzle 5 can use a diameter of 2.4mm, spray pattern are the mixing type nozzle containing X-shaped Water conservancy diversion core Radix Rumicis rotation mouth of solid circular cone.Setting of each mixing type nozzle 5 Putting a little angle with interior steel pipe 3 line of centres is 45 degree, the extension line of each mixing type nozzle 5 arranged direction and interior steel pipe The angle of 3 axis is 30 degree, and each mixing type nozzle 5 is in spraying state, is formed and can cover the spherical of tunneling working face Depositing dust region.As shown in Figure 7, eight mixing type nozzles, wherein five positions can be arranged between interior steel pipe 3 and outer steel pipe 4 In top, three are positioned at bottom, make water smoke under gravity, catch dust from top to bottom.
In another preferred embodiment of the present invention, development machine 6 is connected with the broken transfer system being used for crushing, transporting coal cinder, Disintegrating machine 14 outside in broken transfer system is provided with dust-blocking cover 15, and the charging aperture of disintegrating machine 14 is disposed with the spray of multiple charging aperture Mouth 16, the discharging opening of disintegrating machine 14 is disposed with multiple discharging opening nozzle 17, and dust-blocking cover 15 front end is disposed with multiple disintegrating machine nozzle 18, disintegrating machine 14 is connected with a bridge conveyor 19, and bridge conveyor 19 is connected with a ribbon conveyer 20, bridge-type Elevating conveyor 19 is disposed with multiple transfer point nozzle 21 on the transfer point of ribbon conveyer 20 junction.It is right that dust-blocking cover 15 realizes Crush the totally-enclosed of dust, by charging aperture nozzle 16, discharging opening nozzle 17 with disintegrating machine nozzle 18 to being closed in disintegrating machine 14 Interior dust traps.Transfer point between bridge conveyor 19 and ribbon conveyer 20 can also arrange transfer point dust-blocking cover 22, For closing the dust of transfer point, and use transfer point nozzle 21 that the dust being closed in transfer point is trapped.
More particularly, above-mentioned charging aperture nozzle 16 be four spray pattern be the nozzle diameter of bundle shape be the tangential centrifugal of 1.5mm Hybrid copper nozzle, above-mentioned disintegrating machine nozzle 18 be four spray pattern be the vortex that nozzle diameter is 1.8mm of solid cone shaped Centrifugal hybrid copper nozzle, above-mentioned discharging opening 17 nozzle be four spray pattern be the nozzle diameter of umbrella shape be the tangential of 1.3mm Centrifugal copper nozzle, above-mentioned transfer point nozzle 21 be four spray pattern be the band that nozzle diameter is 2.0mm of solid cone shaped gradually Contracting section vortex and centrifugal formula stainless steel nozzle.
Further, as shown in Figures 1 and 2, driving head 1 is arranged on the front portion of development machine 6, and development machine 6 sets It is equipped with driver's cabin 7, the development machine 6 between driver's cabin 7 and driving head 1 is provided with the air curtain machine 8 for forming isolation air curtain, While forming spherical depositing dust region, air curtain machine 8 produces isolation air curtain, and then improves depositing dust or control dirt effect.
In another preferred embodiment of the present invention, as shown in Figure 1, development machine 6 rear portion is provided with telescopic belt 9, flexible Being provided with dust-proofing agent automatic adding device 10 on belt 9, dust-proofing agent automatic adding device 10 can move with telescopic belt 9, anti- Dirt agent automatic adding device 10 is connected with external source by supply channel 11, and dust-proofing agent automatic adding device 10 is by feedwater Pipeline is connected with packaging type sprayer unit 2.And it is provided with booster pump 12 on supply line, increases packaging type sprayer unit The flow of 2 sprayings and initial velocity, and then make the collision adhesive capacity between water smoke and dust higher, increase atomization space, enter And expand the area coverage in spherical depositing dust region, improve dustfall efficiency.
Further, in machine pick face, it is provided with forced air duct 13, this forced air duct 13 introduces a distinguished and admirable branch road to interior Steel pipe 3, it is provided that sufficient air-flow, and have, along interior steel pipe 3 axis, the circular air-out bar gap that width is 5mm, distinguished and admirable After bar seam ejection, can effectively increase droplet spray regime.
Present invention also offers the dust-control method of a kind of described tunneling working face dust guard, it comprises the following steps: driving head The multiple mixing type nozzles 5 supplied water by outer steel pipe 4 during 1 coal cutting spray water smoke, and water smoke is in being 30 with interior steel pipe 3 axis angle The angle ejection of degree, under in atomisation pressure and interior steel pipe, air pressure acts on jointly, water smoke and meet head on to collide between rib the work of generation Exert oneself and the motive force of nozzle injection formation, make water smoke form spherical depositing dust region and driving head 1 is wrapped in interior;Synchronize, Air curtain machine 8 ejects the air-flow vertical with tunneling head 1 direct of travel and forms isolation air curtain, intercepts driving head 1 and driver's cabin The air circulation of 7;Isolation air curtain carries out dual depositing dust with spherical depositing dust region to driving head.
Further, Tong Bu with above-mentioned steps, dust suppressant is added spray dust prevention water by application dust suppressant automatic adding device In, make atomizing de-dusting, chemistry dedusting and air curtain dust-separation combine.During the broken reprinting of coal petrography, charging aperture nozzle 16 and horizontal line Spray along coal petrography transporting direction in five degree of angles of Cheng Sishi, coal petrography of prewetting;Disintegrating machine nozzle 18 become with horizontal line 45 degree of angles against Coal petrography transporting direction is sprayed, and traps broken dust;Discharging opening nozzle 17 is sprayed vertically downward, and do not trap front lacks Part dust carries out atomizing de-dusting;Transfer point nozzle 21 becomes 45 degree of angles to spray along coal petrography transporting direction with horizontal line, is turning Loading point dust-blocking cover 22 is internally formed negative pressure, small part loss is gone out in the inhalation mask again of the dust outside dust-blocking cover, traps.? Tunneling working face defines more comprehensively synthesis dust prevention measure, not only safe ready, and effectively reduces underground coal mine machine High concentrate dust during pick working surface production, improves dustfall efficiency, makes the dust concentration of tunneling working face be reduced to 10mg/m3Hereinafter, the working environment of staff is significantly improved.
It is more specifically:
Tunneling working face meet head on use atomizing de-dusting, and with chemistry dedusting use in conjunction, on development machine 6, front is provided with bag Wrapping up in formula sprayer unit 2, rear is provided with airborne booster pump 12, provides constant pressure for packaging type sprayer unit 2, works as pick When entering machine 6 coal cutting, airborne booster pump 12 is opened with packaging type sprayer unit 2 simultaneously, the powder producing driving head 1 cut Dirt carries out sedimentation and catches, and is provided with dust-proofing agent automatic adding device at development machine 6 rear near driving head 140m-60m simultaneously 10, by spray for dust suppression agent quantitatively, be added continuously in supply line, thus it is big effectively to solve the most dust-proof water surface tension, It is difficult to condense, settle a difficult problem for dust, improves atomizing de-dusting efficiency further;
Under the dust-separation of closed air curtain, on development machine 6, driver's cabin 7 front, on the premise of not stopping driver's sight line, Air curtain machine 8 is installed.Link with development machine 6, form full face air curtain together in driver's cabin 7 front, by development machine 1 space and driver's cabin 7 and rear space isolation, reduce further driving head 1 cut produce dust to personnel's operation ground Point diffusion.
And dust suppressant is added in spray dust prevention water by synchronous applications dust suppressant automatic adding device, atomizing de-dusting, chemistry is made to remove Dirt and air curtain dust-separation combine;During the broken reprinting of coal petrography, charging aperture nozzle 16 becomes 45 degree of angles to transport along coal petrography with horizontal line Spray in defeated direction, coal petrography of prewetting;Disintegrating machine nozzle 18 becomes 45 degree of angles to spray against coal petrography transporting direction with horizontal line, to broken Broken dust traps;Discharging opening nozzle 17 is sprayed vertically downward, and the small part dust not trapping front carries out atomizing de-dusting; Transfer point nozzle 21 becomes 45 degree of angles to spray along coal petrography transporting direction with horizontal line, is internally formed negative pressure at dust-blocking cover 15, Small part loss is gone out in the inhalation mask again of the dust outside dust-blocking cover, trap.
Certainly, only presently preferred embodiments of the present invention described above, the present invention is not limited to enumerate above-described embodiment, it should say Bright, any those of ordinary skill in the art are under the teaching of this specification, and all equivalents made substitute, substantially become Shape form, within all falling within the essential scope of this specification, ought to be protected by the present invention.

Claims (9)

1. a tunneling working face dust guard, it includes tunneling head spraying and crushing transfer system spraying, wherein, development machine Head rear end is provided with packaging type sprayer unit, and driving head front end is exposed at outside packaging type sprayer unit, this packaging type spraying dress Putting and include being nested with the interior steel pipe on driving head and outer steel pipe, eight be evenly arranged between interior steel pipe and outer steel pipe lead containing X-shaped The mixing type nozzle of stream core Radix Rumicis rotation mouth, can form the spherical depositing dust region that parcel development end is met head on, produce for broken transfer system Dirt, on the one hand outside disintegrating machine, bridge conveyor arranges dust-blocking cover totally-enclosed control dirt, the opposing party with belt conveyer junction Face is aided with in all directions, multi-angle atomizer efficiently catches dirt, additionally, combine chemistry dedusting, air curtain dust-separation technology, at machine Pick work surface defines more comprehensively synthesis dust prevention measure, makes the dust concentration in machine pick face be reduced to 10mg/m3Hereinafter, significantly Degree improves the working environment of staff;
Eight mixing type nozzles containing X-shaped Water conservancy diversion core Radix Rumicis rotation mouth, each hybrid spray it is evenly arranged between interior steel pipe and outer steel pipe The set-point of mouth is 45 degree with the angle of the interior steel pipe line of centres, the extension line of each mixing type nozzle arranged direction and interior steel The angle of pipe axis is 30 degree, uses packaging type sprayer unit to form spherical depositing dust region, meets head on to wrap up by driving face Come.
Tunneling working face dust guard the most according to claim 1, it is characterised in that development machine be used for crushing, transporting The broken transfer system of coal cinder is connected, and is provided with dust-blocking cover, the charging aperture of disintegrating machine outside the disintegrating machine in broken transfer system Being disposed with multiple charging aperture nozzle, the discharging opening of disintegrating machine is disposed with multiple discharging opening nozzle, and dust-blocking cover front end is disposed with multiple broken Broken machine nozzle, disintegrating machine and a bridge conveyor are connected, and bridge conveyor and a ribbon conveyer are connected, bridge conveyor Be disposed with multiple transfer point nozzle on the transfer point of ribbon conveyer junction.
Tunneling working face dust guard the most according to claim 2, it is characterised in that above-mentioned charging aperture nozzle is four mists Changing the tangential centrifugal hybrid copper nozzle that the nozzle diameter that pattern is bundle shape is 1.5mm, above-mentioned disintegrating machine nozzle is four atomizations Pattern is the hybrid copper nozzle of the vortex and centrifugal that nozzle diameter is 1.8mm of solid cone shaped, and above-mentioned discharging opening nozzle is four mists Changing the tangential centrifugal copper nozzle that nozzle diameter is 1.3mm that pattern is umbrella shape, above-mentioned transfer point nozzle is four spray pattern The band converging transition vortex and centrifugal formula stainless steel nozzle that nozzle diameter is 2.0mm for solid cone shaped.
Tunneling working face dust guard the most according to claim 1, it is characterised in that driving head is arranged on development machine Front portion, development machine is provided with driver's cabin, the development machine between driver's cabin and driving head is provided with for forming isolation air curtain Air curtain machine.
Tunneling working face dust guard the most according to claim 1, it is characterised in that development machine rear portion is provided with flexible skin Band, telescopic belt is provided with dust-proofing agent automatic adding device, and dust-proofing agent automatic adding device can move with telescopic belt, dust-proof Agent automatic adding device is connected with external source by supply channel, and dust-proofing agent automatic adding device passes through supply line and parcel Formula sprayer unit is connected.
Tunneling working face dust guard the most according to claim 5, it is characterised in that be provided with booster pump on supply line.
Tunneling working face dust guard the most according to claim 1, it is characterised in that be provided with forced wind in machine pick face Cylinder, is introduced a distinguished and admirable branch road to interior steel pipe by this forced air duct, and to have a width along interior steel pipe axis be the circle of 5mm Air-out bar gap.
8. using a dust-control method for tunneling working face dust guard as claimed in claim 1, it comprises the following steps: driving The multiple mixing type nozzles ejection water smoke supplied water by outer steel pipe during head coal cutting, water smoke is in being 30 degree with interior steel pipe axis angle Angle sprays, under in atomisation pressure and interior steel pipe, air pressure acts on jointly, and water smoke and meet head on to collide between rib the active force of generation And the motive force that nozzle injection is formed, make water smoke form spherical depositing dust region and driving head is wrapped in interior;Synchronize, air curtain Machine ejects the air-flow vertical with tunneling head direct of travel and forms isolation air curtain, intercepts the air circulation of driving head and driver's cabin; Isolation air curtain carries out dual depositing dust with spherical depositing dust region to driving head.
Dust-control method the most according to claim 8, it is characterised in that Tong Bu with above-mentioned steps, application dust suppressant is automatic Dust suppressant is added in spray dust prevention water by adding set, makes atomizing de-dusting, chemistry dedusting and air curtain dust-separation combine;Coal petrography During broken reprinting, charging aperture nozzle becomes 45 degree of angles to spray along coal petrography transporting direction with horizontal line, coal petrography of prewetting;Disintegrating machine Nozzle becomes 45 degree of angles to spray against coal petrography transporting direction with horizontal line, traps broken dust;Discharging opening nozzle is vertical Spraying downwards, the small part dust not trapping front carries out atomizing de-dusting;Transfer point nozzle becomes 45 degree of angles suitable with horizontal line The spraying of coal petrography transporting direction, be internally formed negative pressure at dust-blocking cover, small part loss is gone out the inhalation mask again of the dust outside dust-blocking cover In, trap.
CN201410460863.7A 2014-09-11 2014-09-11 A kind of tunneling working face dust guard and dust-control method Active CN104373124B (en)

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CN105233597B (en) * 2015-09-28 2018-02-23 华中科技大学 A kind of mine dust removing device and method
CN106422607B (en) * 2016-10-25 2018-11-13 山西中永通机电设备制造有限公司 A kind of mining train loading station dust-extraction unit and dust removal method
CN107387152B (en) * 2017-09-12 2019-07-30 中国矿业大学 A kind of fully mechanized workface ladder subzone of atomization dust pelletizing system
CN108361030B (en) * 2018-02-02 2019-11-12 太原理工大学 A kind of development machine annular package dust-arrest device
CN109798147B (en) * 2019-01-09 2020-02-14 中国矿业大学 Dust settling system and method for vertical delivery process of filling materials
CN111389587A (en) * 2020-02-13 2020-07-10 李飞 Material crushing and dust removing device and crushing and dust removing method

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* Cited by examiner, † Cited by third party
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CN101169041A (en) * 2007-10-23 2008-04-30 唐山开滦广汇设备制造有限公司 Digging laneway aerating and dust removing system arrangement method
CN101575975A (en) * 2009-06-18 2009-11-11 陈中跃 Dust removing method and device of cantilever-type comprehensive mechanized development machine
CN201972705U (en) * 2011-03-17 2011-09-14 兖州煤业股份有限公司 Reinforced preposed external sprayer unit for entry-driving machine
CN202946186U (en) * 2012-12-05 2013-05-22 兖矿集团有限公司 Recirculating air dust removing device for fully mechanized excavation face of coal mine
CN103498677B (en) * 2013-10-10 2016-02-17 苏州华安矿业科技有限公司 Development machine ultrasonic atomizatio shakes and revolves dust arrester
CN203769838U (en) * 2014-04-01 2014-08-13 西安科技大学 Efficient dust-falling device for underground comprehensive tunneling roadway in coal mine

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