CN104389630B - A kind of fully-mechanized mining working dust suppression and cleaning apparatus - Google Patents
A kind of fully-mechanized mining working dust suppression and cleaning apparatus Download PDFInfo
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- CN104389630B CN104389630B CN201410633057.5A CN201410633057A CN104389630B CN 104389630 B CN104389630 B CN 104389630B CN 201410633057 A CN201410633057 A CN 201410633057A CN 104389630 B CN104389630 B CN 104389630B
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- 239000000428 dust Substances 0.000 title claims abstract description 148
- 230000001629 suppression Effects 0.000 title claims abstract description 35
- 238000004140 cleaning Methods 0.000 title claims abstract description 31
- 238000005065 mining Methods 0.000 title claims abstract description 25
- 239000007921 spray Substances 0.000 claims abstract description 39
- 238000007670 refining Methods 0.000 claims abstract description 26
- 238000000034 method Methods 0.000 claims abstract description 24
- 239000003595 mist Substances 0.000 claims abstract description 16
- 238000005520 cutting process Methods 0.000 claims abstract description 14
- 238000004062 sedimentation Methods 0.000 claims abstract description 10
- 238000010410 dusting Methods 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 230000008676 import Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 11
- 230000002265 prevention Effects 0.000 abstract description 3
- 230000001737 promoting effect Effects 0.000 abstract description 2
- 239000003245 coal Substances 0.000 description 6
- 238000005507 spraying Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000009792 diffusion process Methods 0.000 description 3
- 238000000746 purification Methods 0.000 description 2
- 208000028571 Occupational disease Diseases 0.000 description 1
- 239000000443 aerosol Substances 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000002817 coal dust Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000012958 reprocessing Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F5/00—Means or methods for preventing, binding, depositing, or removing dust; Preventing explosions or fires
- E21F5/02—Means or methods for preventing, binding, depositing, or removing dust; Preventing explosions or fires by wetting or spraying
- E21F5/04—Spraying barriers
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
- E21C35/22—Equipment for preventing the formation of, or for removal of, dust
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Prevention Of Fouling (AREA)
- Separation Of Particles Using Liquids (AREA)
Abstract
The present invention discloses a kind of fully-mechanized mining working dust suppression and cleaning apparatus, it adopts the technological thought carrying out dust prevention and control from source, by the position at the rear of two cutting unit at coalcutter, close coalcutter control portion, it is separately installed with one group of curtain nozzle and carries out jet-impingement, make on two cylinders of coalcutter, form the gas wall being wrapped in the mist field that inside and outside coalcutter, spray for dust suppression equipment is formed respectively; And on each support respectively mounting bracket spray dust remover and support dust suction refining plant, move in frame process from support both sides with effective sedimentation or absorb, dust that front is lost a large amount of dust fallen and overflowed from coalcutter control-dust-removal system. The fully-mechanized mining working dust suppression of the present invention and cleaning apparatus, it is relative to prior art, has well dust-proof, the dust removing effects got twice the result with half the effort; It is easy and simple to handle, investment economizes, and has good market application foreground and promotional value.
Description
Technical field
The present invention relates to a kind of underground coal mine control dirt dedusting technology equipment, particularly relate to a kind of fully-mechanized mining working dust suppression and cleaning apparatus.
Background technology
Mine dust as the inevitable outcome in the coal production course of processing, due to the physicochemical property of self so that it is one of five big disasters becoming colliery.
The main harm of mine dust comprises two aspects: one is pyrophoricity and the explosivity of coal dust; Two is Occupational Disease Hazards. And the first dust production resource of coal-face Dou Shi colliery enterprise all the time, dust-producing amount accounts for more than the 85% of whole mine dust-producing amount. Coalcutter cut cut produce dirt occupy the overwhelming majority, and move frame product dirt and still can not be ignored, wherein, self-advancing hydraulic support accounts for about the 30% of whole working face dust-producing amount at the dust-producing amount fallen in post and reach process, and the dust concentration of generation is up to 1000��2000mg/m3, considerably beyond the relevant criterion of national regulation, do not form prophylactico-therapeutic measures effectively so far. Grave danger is brought to the normal operation of colliery enterprise.
Although for the problems referred to above, various countries expert has also carried out big quantity research, takes many measures, but effect is still not obvious, especially for the product dirt moved in frame process, more cannot effectively control.
Summary of the invention
It is an object of the invention to, a kind of fully-mechanized mining working dust suppression and cleaning apparatus are provided, it cuts the dust produced cutting and moving the big operation of frame two for coalcutter, under the prerequisite not affecting working face operation personnel's normal operation face, spray for dust suppression, air curtain are organically blended every technique means such as dirt and dust suction refining plant dust suctions, to stop the excessive of dust and diffusion as far as possible, and closed dust is carried out effective sedimentation, thus effectively improve working environment at coal mines, ensure Safety of Coal Mine Production.
The technical scheme that the present invention adopts for achieving the above object is, a kind of fully-mechanized mining working dust suppression and cleaning apparatus, it is characterised in that, comprise coalcutter control-cleaning apparatus and hydraulic support control-cleaning apparatus two portions;
Described coalcutter control-cleaning apparatus is on the original inside and outside spray for dust suppression equipment of coalcutter and the empty Dust Control by Air Curtain Equipment Foundations of coalcutter, in the rear of two cutting unit, the position in close coalcutter control portion of coalcutter, is separately installed with one group of curtain nozzle; Wherein, often organize curtain nozzle and include some airflow nozzles, the export center axis of each airflow nozzle respectively with the cutting unit at its place residing for plane become identical angle;
Described curtain nozzle is connected with the compressed air tank of its exterior by inlet pipe;
The extended line of the export center axis of described airflow nozzle is positioned at the outside of the mist field that inside and outside described coalcutter, spray for dust suppression equipment is formed, when described curtain nozzle works, on two cylinders of coalcutter, the gas wall being wrapped in the mist field that inside and outside coalcutter, spray for dust suppression equipment is formed will be formed respectively;
Described hydraulic support control-cleaning apparatus comprises support spray dust remover and support dust suction refining plant;
Described support spray dust remover quantity is equal with the quantity of support, and described support spray dust remover is arranged on the front end position of each support girder correspondingly respectively;
Each support spray dust remover includes a semisphere atomizing de-dusting apparatus, and described semisphere atomizing de-dusting apparatus is separately installed with 3-5 atomizing nozzle;
Described atomizing nozzle is connected with the water supply installation of its exterior by pipeline, for being ejected at an angle with vaporific form by water, forms a mist field in pedestrian's passage front of the support corresponding with it;
Described support dust suction refining plant is provided with 4-6 dust suction mouth, and shares a dust hood;
Described dust hood is connected with outside sucktion fan by pipeline;
Described support dust suction refining plant quantity is equal with the quantity of support, and described support dust suction refining plant is arranged on the medium position of each support girder correspondingly respectively;
When coalcutter normal operation, 3-5 support spray dust remover of the downwind side adjacent with coalcutter and support dust suction refining plant, and the support spraying of 1-2, the windward side adjacent with coalcutter and dust suction refining plant open simultaneously, move in frame process from support both sides with effective sedimentation or absorb, dust that front is lost a large amount of dust fallen and overflowed from coalcutter control-dust-removal system.
The technique effect that technique scheme is directly brought is, 1, owing to having set up curtain nozzle on the basis of existing technology, and the extended line of the export center axis of curtain nozzle is positioned at the outside of the mist field that inside and outside coalcutter, spray for dust suppression equipment is formed; The employing of this technique means so that the air-flow ejected when curtain nozzle works, on two cylinders of coalcutter, will be formed " the gas wall " that be wrapped in the mist field that inside and outside coalcutter, spray for dust suppression equipment is formed respectively. The formation being somebody's turn to do " gas wall ", can effectively stop the excessive of coalcutter cutting dust, significantly improves dust separating ratio; Due in dust generation place on the spot, in time sedimentation, thus significantly reduce the concentration of dust in air in tunnel, the generation of dust aerosol has been restrained in Shangdi largely;
What is more important, the technological thought that dust is controlled by the source that this kind produces from fully-mechanized mining working dust and theory, it is possible to reach the technique effect got twice the result with half the effort, thus less investment, instant effect.
2, technique scheme emphasis cuts for working surface coal mining machine and cuts and move the big operation of frame two, and the dust adopting multiple control dirt, dedusting technology means to be produced by fully-mechanized mining working controls; On the one hand, in original coalcutter on the basis of external spraying, installing one group of curtain nozzle respectively at coalcutter two cutting unit rear, simultaneously plane residing for nozzle and cutting unit is angled, to form " the gas wall " effectively wrapping up external spraying in coalcutter; Simultaneously so that between " gas wall " that bottom roll is formed and side rib, form respectively enclosed space between " gas wall " that upper cylinder is formed and down-hole are distinguished and admirable, thus dust and droplet are controlled in this region;
On the other hand, before support girder, section is provided with the semisphere spraying plant with some atomizing nozzles, by atomizing nozzle towards different angles water spray, working face cuts the dust cutting and moving frame generation and catches sedimentation;
The dust moving in frame operating process produce to tackle better, simultaneously to crossing atomizing de-dusting measure and excessive dust carries out reprocessing, also installing dust suction refining plant in the middle part of support girder, to moving both sides in frame process, front loses and falls the dust produced and the dust that overflows from the first two measure carries out sucking purification.
Namely, when coalcutter normal operation, 3-5 support spray dust remover of the downwind side adjacent with coalcutter and support dust suction refining plant, and the support spraying of 1-2, the windward side adjacent with coalcutter and dust suction refining plant open simultaneously, move in frame process from support both sides with effective sedimentation or absorb, dust that front is lost a large amount of dust fallen and overflowed from coalcutter control-dust-removal system.
Technique scheme, its dust is anti-and controls, and has caught dust source and main this principal contradiction of diffusion and the principal aspect of a contradiction, thus, it is achieved that effective Prevention and controls of ideal fully-mechanized mining working dust.
In addition, also installing dust suction refining plant in the middle part of support girder, to moving both sides in frame process, front loses and falls the dust produced and the dust that overflows from the first two measure carries out sucking purification. The employing of this technique means, mainly moves in frame process to avoid, and there are operation personnel this position, it may also be useful to spraying plant may cause operation staff garments to be drenched. As optimal way, above-mentioned curtain nozzle is multi-way structure, and it comprises an import, some outlets;
Described airflow nozzle is arranged in described outlet correspondingly.
The technique effect that this optimal technical scheme is directly brought is, it is ensured that uniform stream that each airflow nozzle ejects, consistent.
Further preferably, the above-mentioned airflow nozzle quantity often organizing curtain nozzle is at least 8.
The technique effect that this optimal technical scheme is directly brought is, the airflow nozzle quantity often organizing curtain nozzle is at least 8, the gas wall density that curtain nozzle is formed can be ensured, to be wrapped in outside mist field that inside and outside coalcutter, spray for dust suppression equipment is formed comprehensively, without dead angle.
Further preferably, above-mentioned fully-mechanized mining working dust suppression and cleaning apparatus, it also includes control device, described control device for controlling described curtain nozzle air inlet and the ON/OFF of described atomizing nozzle water inlet, and for controlling the start/stop of described sucktion fan.
The technique effect that this optimal technical scheme is directly brought is, it is possible to realize automated operation and control.
Further preferably, the power supply device interlocking of above-mentioned control device and coalcutter.
The technique effect that this optimal technical scheme is directly brought is, fully-mechanized mining working dust suppression and cleaning apparatus are synchronously opened together with coalcutter and are stopped, make it that coalcutter cut the dust Control cutting and moving frame generation certain enclosed space all the time, the dust produced in sedimentation production process to greatest extent, stop the diffusion of dust, reduce face dust concentration, effectively reduce the generation of dust disaster;
Further, the power supply device interlocking of control device and coalcutter, it is also possible to effectively avoid the generation of mishandle, and when fully-mechanized mining working dust suppression and cleaning apparatus break down, can synchronously stop coalcutter work.
In sum, the fully-mechanized mining working dust suppression of the present invention and cleaning apparatus, every dirt and the dust suction refining plant dust suction method that combines, the dust of fully-mechanized mining working is carried out closed sedimentation by spray for dust suppression, air curtain, whole control dust suppression is safe and effective, high density dust in underground coal mine fully-mechanized mining working production process can obtain better prevention and controlling, it is to increase dustfall efficiency.
The fully-mechanized mining working dust suppression of the present invention and cleaning apparatus, it is relative to prior art, has that structure is simple, facility investment economizes, operation flexible and convenient, dust-proof with good dedusting effect etc. useful effect, there is good market application foreground and promotional value.
Accompanying drawing explanation
The main TV structure schematic diagram of the comprehensive control-dust-removal system of Fig. 1 the present invention;
The attached TV structure schematic diagram of the comprehensive control-dust-removal system of Fig. 2 the present invention;
The right TV structure schematic diagram of the comprehensive control-dust-removal system of Fig. 3 the present invention;
The left view structural representation of the support spray dust remover of Fig. 4 the present invention.
Description of reference numerals: 1-coalcutter, 2-control portion, 3-cutting unit, 4-cylinder, 5-support, 6-support girder, 7-semisphere atomizing de-dusting apparatus, 8-atomizing nozzle, 9-curtain nozzle, 10-dust suction refining plant, 11-dust suction mouth, 12-dust hood, 13-gas curtain, 14-down-hole is distinguished and admirable, 15-mist stream.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in detail.
As shown in Figure 1, the fully-mechanized mining working dust suppression of the present invention and cleaning apparatus, comprise coalcutter control-cleaning apparatus and hydraulic support control-cleaning apparatus two portions; Wherein:
Coalcutter control-cleaning apparatus is on the original inside and outside spray for dust suppression equipment of coalcutter 1 and the empty Dust Control by Air Curtain Equipment Foundations of coalcutter, in the rear of two cutting unit 3, the position in close coalcutter control portion 2 of coalcutter, is separately installed with one group of curtain nozzle 9; Wherein, often organize curtain nozzle 9 and include some airflow nozzles, the export center axis of each airflow nozzle respectively with the cutting unit at its place residing for plane become identical angle;
Above-mentioned curtain nozzle 9 is connected (not shown) by inlet pipe with the compressed air tank of its exterior;
The extended line (not shown) of the export center axis of said flow nozzle is positioned at the outside of the mist field that inside and outside coalcutter, spray for dust suppression equipment is formed, when curtain nozzle 9 works, on two cylinders 4 of coalcutter, the gas wall being wrapped in the mist field that inside and outside coalcutter, spray for dust suppression equipment is formed will be formed respectively;
Above-mentioned hydraulic support control-cleaning apparatus comprises support spray dust remover and support dust suction refining plant 10;
Above-mentioned support spray dust remover quantity is equal with the quantity of support 5, and support spray dust remover is arranged on the front end position of each support girder 6 correspondingly respectively;
Each support spray dust remover includes a semisphere atomizing de-dusting apparatus 7, and each semisphere atomizing de-dusting apparatus 7 is separately installed with 3-5 atomizing nozzle 8;
Above-mentioned atomizing nozzle is connected (not shown) by pipeline with the water supply installation of its exterior, for being ejected at an angle with vaporific form by water, forms a mist field in pedestrian's passage front of the support corresponding with it;
Each support dust suction refining plant is provided with 4-6 dust suction mouth 11, and shares a dust hood 12;
Above-mentioned dust hood is connected with outside sucktion fan (not shown) by pipeline;
Above-mentioned support dust suction refining plant quantity is equal with the quantity of support, and support dust suction refining plant is arranged on the medium position of each support girder correspondingly respectively;
When coalcutter normal operation, 3-5 support spray dust remover of the downwind side adjacent with coalcutter and support dust suction refining plant 10, and windward side 1-2 the support spray dust remover adjacent with coalcutter and support dust suction refining plant 10 open simultaneously, move in frame process from support both sides with effective sedimentation or absorb, dust that front is lost a large amount of dust fallen and overflowed from coalcutter control-dust-removal system.
Above-mentioned curtain nozzle is multi-way structure (not shown), and it comprises an import, some outlets; Airflow nozzle is arranged in corresponding outlet correspondingly.
The above-mentioned airflow nozzle quantity often organizing curtain nozzle 9 is at least 8.
The fully-mechanized mining working dust suppression of the present invention and cleaning apparatus, also include control device (not shown); The ON/OFF that this control device is intake for the air inlet and atomizing nozzle controlling curtain nozzle 9, and the start/stop for control and suck blower fan.
The power supply device (not shown) interlocking of above-mentioned control device and coalcutter 1.
It should be noted that, the arrow in Fig. 2, Fig. 3 represents the direction of motion of down-hole distinguished and admirable 14; Involute urve (dotted line) in figure represents the state of the mist stream 15 that support spray dust remover ejects;
Fig. 4 is the left view structural representation of support spray dust remover. As shown in Figure 4, the semisphere atomizing de-dusting apparatus 7 being arranged on the position, top of support 5 includes multiple atomizing nozzle 8, and the mist stream 15 ejected when the multiple atomizing nozzles 8 on semisphere atomizing de-dusting apparatus 7 spray simultaneously can effectively cover the relatively large regions scope of support 5 periphery.
Claims (5)
1. a fully-mechanized mining working dust suppression and cleaning apparatus, it is characterised in that, comprise coalcutter control-cleaning apparatus and hydraulic support control-cleaning apparatus two portions;
Described coalcutter control-cleaning apparatus is on the original inside and outside spray for dust suppression equipment of coalcutter and the empty Dust Control by Air Curtain Equipment Foundations of coalcutter, in the rear of two cutting unit, the position in close coalcutter control portion of coalcutter, is separately installed with one group of curtain nozzle; Wherein, often organize curtain nozzle and include some airflow nozzles, the export center axis of each airflow nozzle respectively with the cutting unit at its place residing for plane become identical angle;
Described curtain nozzle is connected with the compressed air tank of its exterior by inlet pipe;
The extended line of the export center axis of described airflow nozzle is positioned at the outside of the mist field that inside and outside described coalcutter, spray for dust suppression equipment is formed, when described curtain nozzle works, on two cylinders of coalcutter, the gas wall being wrapped in the mist field that inside and outside coalcutter, spray for dust suppression equipment is formed will be formed respectively;
Described hydraulic support control-cleaning apparatus comprises support spray dust remover and support dust suction refining plant;
Described support spray dust remover quantity is equal with the quantity of support, and described support spray dust remover is arranged on the front end position of each support girder correspondingly respectively;
Each support spray dust remover includes a semisphere atomizing de-dusting apparatus, and described semisphere atomizing de-dusting apparatus is separately installed with 3-5 atomizing nozzle;
Described atomizing nozzle is connected with the water supply installation of its exterior by pipeline, for being ejected at an angle with vaporific form by water, forms a mist field in pedestrian's passage front of the support corresponding with it;
Described support dust suction refining plant is provided with 4-6 dust suction mouth, and shares a dust hood;
Described dust hood is connected with outside sucktion fan by pipeline;
Described support dust suction refining plant quantity is equal with the quantity of support, and described support dust suction refining plant is arranged on the medium position of each support girder correspondingly respectively;
When coalcutter normal operation, 3-5 support spray dust remover of the downwind side adjacent with coalcutter and support dust suction refining plant, and windward side 1-2 the support spray dust remover adjacent with coalcutter and support dust suction refining plant open simultaneously, move in frame process from support both sides with effective sedimentation and absorbing, dust that front is lost a large amount of dust fallen and overflowed from coalcutter control-dust-removal system.
2. fully-mechanized mining working dust suppression according to claim 1 and cleaning apparatus, it is characterised in that, described curtain nozzle is multi-way structure, and it comprises an import, some outlets;
Described airflow nozzle is arranged in described outlet correspondingly.
3. fully-mechanized mining working dust suppression according to claim 1 and cleaning apparatus, it is characterised in that, the airflow nozzle quantity often organizing curtain nozzle is at least 8.
4. fully-mechanized mining working dust suppression according to claim 1 and cleaning apparatus, it is characterised in that, also include control device;
Described control device for controlling described curtain nozzle air inlet and the ON/OFF of described atomizing nozzle water inlet, and for controlling the start/stop of described sucktion fan.
5. fully-mechanized mining working dust suppression according to claim 4 and cleaning apparatus, it is characterised in that, the power supply device interlocking of described control device and coalcutter.
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CN104389630B true CN104389630B (en) | 2016-06-01 |
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DE3806335A1 (en) * | 1988-02-27 | 1989-09-07 | Gewerk Eisenhuette Westfalia | Cutter head for winning and advance-working machines, in particular selective-cut heading machines with cross-cutting head |
CN2396183Y (en) * | 1999-10-19 | 2000-09-13 | 兖矿集团有限公司 | Hydraulic chock high-pressure spray duster |
CN102080565B (en) * | 2011-01-27 | 2013-03-13 | 山东科技大学 | Bracket spraying dust fall device used for fully mechanized caving coal mine working face |
CN202467842U (en) * | 2012-03-23 | 2012-10-03 | 山东恒远机电开发有限公司 | Strong atomizing dust fall device of coal cutter |
CN103643954A (en) * | 2013-12-16 | 2014-03-19 | 安徽理工大学 | Full-section automatic spraying and dust-falling device on body of coal mining machine |
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CN110056350A (en) * | 2019-04-24 | 2019-07-26 | 山东科技大学 | Fully-mechanized mining working absorption-induced convection formula control dedusting wind veil device and method |
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