CN202913992U - Underground coal mine dry-type drilling three-stage dust removal device - Google Patents

Underground coal mine dry-type drilling three-stage dust removal device Download PDF

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Publication number
CN202913992U
CN202913992U CN 201220654343 CN201220654343U CN202913992U CN 202913992 U CN202913992 U CN 202913992U CN 201220654343 CN201220654343 CN 201220654343 CN 201220654343 U CN201220654343 U CN 201220654343U CN 202913992 U CN202913992 U CN 202913992U
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CN
China
Prior art keywords
dust
nozzle
gathering arrester
pipe
foam
Prior art date
Application number
CN 201220654343
Other languages
Chinese (zh)
Inventor
张涵
周福宝
洪克宽
张仁贵
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中国矿业大学
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Application filed by 中国矿业大学 filed Critical 中国矿业大学
Priority to CN 201220654343 priority Critical patent/CN202913992U/en
Application granted granted Critical
Publication of CN202913992U publication Critical patent/CN202913992U/en

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Abstract

The utility model discloses an underground coal mine dry-type drilling three-stage dust removal device which comprises a dust hood and a cleaning trunk. The lower side of the cleaning trunk is provided with a dust outlet, and the inlet end of the cleaning trunk is communicated with the dust hood through a flexible pipe. The outlet end of the cleaning trunk is communicated with a foam injecting pipe. A cone-shaped nozzle is arranged in the dust hood, and a jet nozzle is arranged in the cleaning trunk. The cone-shaped nozzle and the jet nozzle are communicated with a tee II of a control box through pipelines. An inlet of a foam jet pipe is provided with a foam nozzle, and a tail end pipe of a water flowmeter of the control box is connected with a mixed foaming box. A siphon type nozzle of the control box is communicated with the mixed foaming box. A tail end pipe of a foaming agent flowmeter of the control box is communicated with a liquid storage tank. The mixed foaming box is communicated with the foam nozzle though a pipeline. The underground coal mine dry-type drilling three-stage dust removal device is used for dust removal during underground coal mine drilling construction.

Description

Dry type is crept into the 3-stage dust-removal device under the coal mine

Technical field

The utility model relate to a kind of under the coal mine during construction drill dry type of dedusting creep into dust arrester.

Background technology

Along with the increase of mining depth of coal seams, in the Comprehensive Control of Mine Gas technology, the gas suction by drilling engineering quantity continues to increase.At present for improving into porosity, the drilling construction of weak seam adopts dry drilling wind power slag-discharging technique more, namely adopt compressed-air system to hole bottom blowing dirt, coal (rock) powder of generation is blown out along drilling rod and hole wall gap, the aperture produces a large amount of dust, cause the local dust excessive concentration, greatly pollute the tunnel working space, having become affects the healthy important hidden danger with restricting mine safety production of worker.At present dry type creep into Multi-stage dust removing device patent " multi-stage non-powered orifice dust remover " (ZL200920032546.X) and " superfine magnetized foam drilling dust remover " (ZL201120263266.7), and multi-stage non-powered orifice dust remover is not high to the efficiency of dust collection of respirable dust, superfine magnetized foam drilling dust remover mainly utilizes the ultra-micro magnetized foam dedusting, and the blowing agent of consumption is many and cost is higher.

Summary of the invention

In order to overcome the many and higher defective of cost of existing deduster efficiency of dust collection blowing agent not high, that consume, the utility model provides under a kind of coal mine dry type to creep into the 3-stage dust-removal device, under this coal mine dry type creep into the 3-stage dust-removal device need not electricity consumption, compact conformation, easy to use, efficiency of dust collection is high, cost is low.

The technical solution of the utility model is: dry type is crept into the 3-stage dust-removal device and is comprised dust gathering arrester and dust cleaning case under this coal mine, the dust cleaning case downside is provided with the dust mouth, the dust cleaning case arrival end is connected with dust gathering arrester by flexible pipe, the dust cleaning case port of export is connected with the foam induction tunnel, be provided with conical nozzle in the dust gathering arrester, be provided with jet nozzle in the dust cleaning case, conical nozzle and jet nozzle are connected with the threeway II of control cabinet by pipeline, the import of foam hose stream pipe is provided with foam jet, the terminal pipeline of the water ga(u)ge of control cabinet links to each other with the mixed foaming case, the hydrocone type nozzle of control cabinet is connected with the mixed foaming case, the terminal pipeline of the blowing agent flow meter of control cabinet is connected with liquid reserve tank, and the mixed foaming case is connected with foam jet by pipeline.

Described dust gathering arrester is spliced by two hollow semicylinders, two hollow semicylinder one ends link to each other by loose-leaf, the other end links to each other by junction button, the dust gathering arrester front end is provided with rubber cushion, the dust gathering arrester lower end is provided with slag notch, the dust gathering arrester upper end is provided with retainer ring, and the dust gathering arrester rear end is provided with anti-wear sleeve, and the dust gathering arrester side is provided with hose connection.

Be provided with water inlet pipe mouth 6-1 and air inlet mouth of pipe 6-3 in the described control cabinet 6, water inlet pipe mouth 6-1 links to each other with the import of wind power ganged valve 6-2 respectively with air inlet mouth of pipe 6-3, be connected with threeway I 6-4 between the outlet of the pressure pipe of wind power ganged valve 6-2, water adjusting valve 6-7 and the water spray valve 6-6, water spray valve 6-6 in threeway II 6-5 and dust gathering arrester 2 conical nozzle 2-4 and the jet nozzle 5-1 in the dust cleaning case 5 be connected; Water adjusting valve 6-7 is connected with mixed foaming case 7 through water ga(u)ge 6-8.The air pipe outlet of wind power ganged valve 6-2 is connected with pressure meter 6-9, Air-regulating valves 6-10, hydrocone type nozzle 6-11 air inlet port in turn, hydrocone type nozzle 6-11 inlet links to each other with blowing agent flow meter 6-12 by the road, and the terminal pipeline of blowing agent flow meter 6-12 inserts in the blowing agent of liquid reserve tank 8.

Advantage of the present utility model: during drilling construction, dust-contained airflow in the boring is taken out under the effect of dirt negative pressure at water spray and the formation of foam injection, the foam jet spray foam that conical nozzle spraying sedimentation big dust particle in the dust gathering arrester, the jet nozzle spraying in the dust cleaning case capture in granule dust, the foam induction tunnel is removed more short grained dust, dust granules to different-grain diameter captures step by step, behind the 3-stage dust-removal, can reach more than 96% and 90% respectively full dirt and respirable dust efficiency of dust collection.This dust arrester is simple in structure, easy and simple to handle, need not electricity consumption, safe and reliable, and practicality is good.

Description of drawings

Fig. 1 is structural representation of the present utility model.

Fig. 2 is the dust gathering arrester A-A sectional view among Fig. 1.

Fig. 3 is the control cabinet structural representation among Fig. 1.

Among the figure: 1. coal petrography, 2. dust gathering arrester, 2-1. rubber cushion, 2-2. slag notch, 2-3. retainer ring, 2-4. conical nozzle, 2-5. anti-wear sleeve, 2-6. loose-leaf, 2-7. junction button, 2-8 hose connection, 3. drilling rod, 4. flexible pipe, 5. disposal box, 5-1. jet nozzle, 5-2. dust mouth, 6. control cabinet, 6-1. water inlet pipe mouth, 6-2. air intake pipe orifice, the wind power ganged valve of 6-3., 6-4. the threeway I, 6-5. threeway II, 6-6. water spray valve, 6-7. water adjusting valve, 6-8. water ga(u)ge, 6-9. pressure meter, 6-10. Air-regulating valves, 6-11. hydrocone type nozzle, 6-12. blowing agent flow meter, 7. mixed foaming case, 8. liquid reserve tank, 9. blowing agent, 10. foam jet, 11. foam induction tunnels, 12. supporting legs.

The specific embodiment

In Fig. 1, dry type is crept into the 3-stage dust-removal device and is comprised dust gathering arrester and dust cleaning case under this coal mine, the dust cleaning case downside is provided with the dust mouth, the dust cleaning case arrival end is connected with dust gathering arrester by flexible pipe, the dust cleaning case port of export is connected with the foam induction tunnel, be provided with conical nozzle in the dust gathering arrester, be provided with jet nozzle in the dust cleaning case, conical nozzle and jet nozzle are connected with the threeway II 6-5 of control cabinet by pipeline, the import of foam hose stream pipe is provided with foam jet, the terminal pipeline of the water ga(u)ge 6-8 of control cabinet links to each other with mixed foaming case 7, the hydrocone type nozzle 6-11 of control cabinet is connected with mixed foaming case 7, the terminal pipeline of the blowing agent flow meter 6-12 of control cabinet is connected with liquid reserve tank 8, and mixed foaming case 7 is connected with foam mouth 10 by pipeline.

Conical nozzle 2-4 atomized water spray is used for capturing sedimentation bulky grain powder; Jet nozzle 5-1 water spray injection in the dust cleaning case 5 produces negative pressure, captures sedimentation granule dust; Foam hose stream pipe 11 mouths of pipe are provided with a foam jet 10, and the spray foam injection produces negative pressure, are used for removing more short grained dust, and are good to the respirable dust dust-laying effect.

Dust cleaning case 5 bottoms are provided with dust mouth 5-2, are used for discharging the dust that is captured by water spray.Supporting leg 12 is used for supporting fixedly cleaner.

In Fig. 2, dust gathering arrester 2 is spliced by two hollow semicylinders of irony, and an end links together by loose-leaf 2-6, and the other end connects by junction button 2-7, is easy to open dust gathering arrester 2, observes the situation of creeping into.The dust gathering arrester front end is provided with rubber cushion 2-1, and the lower end is provided with slag notch 2-2, is used for getting rid of cinder and big dust particle; The upper end is provided with retainer ring 2-3, by iron wire dust gathering arrester 2 is fixed on the coal petrography wall; The rear end is provided with anti-wear sleeve 2-5, wearing and tearing dust gathering arrester 2 when preventing rod boring; The side is provided with interface 2-8, links to each other with flexible pipe 2 by interface, is used for the suction dust.

In Fig. 3, be provided with water inlet pipe mouth 6-1 and air inlet mouth of pipe 6-3 in the control cabinet 6, water inlet pipe mouth 6-1 links to each other with the import of wind power ganged valve 6-2 respectively with air inlet mouth of pipe 6-3, be connected with threeway I 6-4 between the outlet of the pressure pipe of wind power ganged valve 6-2, water adjusting valve 6-7 and the water spray valve 6-6, water spray valve 6-6 in threeway II 6-5 and dust gathering arrester 2 conical nozzle 2-4 and the jet nozzle 5-1 in the dust cleaning case 5 be connected; Water adjusting valve 6-7 is connected with mixed foaming case 7 through water ga(u)ge 6-8.The air pipe outlet of wind power ganged valve 6-2 is connected with pressure meter 6-9, Air-regulating valves 6-10, hydrocone type nozzle 6-11 air inlet port in turn, hydrocone type nozzle 6-11 inlet links to each other with blowing agent flow meter 6-12 by the road, the terminal pipeline of blowing agent flow meter 6-12 inserts in the blowing agent of liquid reserve tank 8, and hydrocone type nozzle 6-11 is connected with mixed foaming case 7.

The course of work: at first dust gathering arrester 2 is fixed on drilling orifice, with flexible pipe 4 dust gathering arrester 2 is linked to each other with dust cleaning case 6.Water pressuring system (hydraulic pressure 〉=0.5 MPa) and compressed-air system (blast 〉=0.3MPa) be connected with air inlet mouth of pipe 6-3 with the water inlet pipe mouth 6-1 of control cabinet 6 respectively with the down-hole.After connecting, add blowing agent to liquid reserve tank 8, open wind power ganged valve 6-3, water adjusting valve 6-7, Air-regulating valves 6-10, water spray valve 6-5, check whether pipeline has the gas leakage phenomenon of leakage.After checking out, regulate the size of water adjusting valve 6-7 and Air-regulating valves 6-10, control the flow of water, gas, blowing agent, can send the foam of different multiples, generally speaking, the flow that makes blowing agent is 0.08L/min, and the flow of water is 8L/min; Regulate water spray valve 6-5, the atomized water spray situation of control conical nozzle 2-4 and jet nozzle 5-1.Foam and atomized water spray situation reach optimum state, generally no longer adjust water spray valve 6-5, water adjusting valve 6-7, and Air-regulating valves 6-10 closes and only need operate wind power ganged valve 6-3 with opening device and get final product.

After equipment regulates, begin to drill, creep into the dust of generation in the wind power slag-discharging effect enters dust gathering arrester 2, conical nozzle 2-4 atomized water spray carries out primary dust removing, big dust particle and fritter cinder are discharged through bottom slag notch 2-2 under Action of Gravity Field, jet nozzle 5-1 atomized water spray in the dust cleaning case 5, the water smoke injection produces the dust-contained airflow in the negative pressure suction dust gathering arrester 2, carry out two-stage dust removal, the part dust is subjected to the wetting of water spray, catch the dirt effect and sedimentation, another part dust-contained airflow then arrives foam induction tunnel 11 mouths of pipe under suction function, at this moment the foam of foam jet 10 ejections of foam induction tunnel 11 mouths of pipe, mix with dust-contained airflow, foam is constantly entrainmenting dust-contained airflow, holding back by foam in foam induction tunnel 11, collision, diffusion, the mode such as stick acts on dust-contained airflow, wraps dust, carry out 3-stage dust-removal, the mixed airflow of final foam and dust arrives diffusing opening, and speed reduces, and kinetic energy reduces, pressure energy increases, and then increases the suction effect of dust-contained airflow.Dust-contained airflow is through behind the 3-stage dust-removal, and the dust granules of different-grain diameter is captured step by step, and full dirt and respirable dust concentration reduce greatly, can reach more than 96% and 90% respectively full dirt and respirable dust efficiency of dust collection.

Claims (3)

1. dry type is crept into the 3-stage dust-removal device under the coal mine, dry type is crept into the 3-stage dust-removal device and is comprised dust gathering arrester and dust cleaning case under this coal mine, it is characterized in that: the dust cleaning case downside is provided with the dust mouth, the dust cleaning case arrival end is connected with dust gathering arrester by flexible pipe, the dust cleaning case port of export is connected with the foam induction tunnel, be provided with conical nozzle in the dust gathering arrester, be provided with jet nozzle in the dust cleaning case, conical nozzle and jet nozzle are connected with the threeway II of control cabinet by pipeline, the import of foam hose stream pipe is provided with foam jet, the terminal pipeline of the water ga(u)ge of control cabinet links to each other with the mixed foaming case, the hydrocone type nozzle of control cabinet is connected with the mixed foaming case, the terminal pipeline of the blowing agent flow meter of control cabinet is connected with liquid reserve tank, and the mixed foaming case is connected with foam jet by pipeline.
2. dry type is crept into the 3-stage dust-removal device under the coal mine according to claim 1, it is characterized in that: dust gathering arrester is spliced by two hollow semicolumns, two hollow semicolumn one ends link to each other by loose-leaf, the other end links to each other by junction button, the dust gathering arrester front end is provided with rubber cushion, and the dust gathering arrester lower end is provided with slag notch, and the dust gathering arrester upper end is provided with retainer ring, the dust gathering arrester rear end is provided with anti-wear sleeve, and the dust gathering arrester side is provided with hose connection.
3. dry type is crept into the 3-stage dust-removal device under the coal mine according to claim 1, it is characterized in that: be provided with water inlet pipe mouth and the air inlet mouth of pipe in the control cabinet, water inlet pipe mouth links to each other with the import of wind power ganged valve respectively with the air inlet mouth of pipe, be connected with the threeway I between the pressure pipe outlet of wind power ganged valve, water adjusting valve and the water spray valve, the water spray valve in threeway II and dust gathering arrester conical nozzle and the jet nozzle in the dust cleaning case be connected; Water adjusting valve is connected with the mixed foaming case through water ga(u)ge, the air pipe outlet of wind power ganged valve is connected with pressure meter, Air-regulating valves, hydrocone type nozzle air inlet port in turn, hydrocone type nozzle inlet links to each other with the blowing agent flow meter by the road, and the terminal pipeline of blowing agent flow meter inserts in the blowing agent of liquid reserve tank.
CN 201220654343 2012-12-03 2012-12-03 Underground coal mine dry-type drilling three-stage dust removal device CN202913992U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220654343 CN202913992U (en) 2012-12-03 2012-12-03 Underground coal mine dry-type drilling three-stage dust removal device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220654343 CN202913992U (en) 2012-12-03 2012-12-03 Underground coal mine dry-type drilling three-stage dust removal device

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103982151A (en) * 2014-06-06 2014-08-13 煤炭科学技术研究院有限公司 Dust catching system and method for gas drainage drilling
CN104295251A (en) * 2014-10-31 2015-01-21 张家港宣化凯波环保科技有限公司 Dust removal system for drilling machine
CN105370313A (en) * 2015-07-29 2016-03-02 深圳市工勘岩土集团有限公司 Rock static blasthole drilling dust reduction device
CN106362500A (en) * 2016-08-31 2017-02-01 凯天环保科技股份有限公司 Purification device for oil mist-containing waste gas
CN104453749B (en) * 2014-11-13 2017-07-07 中国矿业大学 A kind of foam aperture dust arrester for colliery dry drilling treating flour dust
CN107413151A (en) * 2017-07-03 2017-12-01 合肥震岳工业设备科技有限公司 One kind automation cleaner

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103982151A (en) * 2014-06-06 2014-08-13 煤炭科学技术研究院有限公司 Dust catching system and method for gas drainage drilling
CN104295251A (en) * 2014-10-31 2015-01-21 张家港宣化凯波环保科技有限公司 Dust removal system for drilling machine
CN104453749B (en) * 2014-11-13 2017-07-07 中国矿业大学 A kind of foam aperture dust arrester for colliery dry drilling treating flour dust
CN105370313A (en) * 2015-07-29 2016-03-02 深圳市工勘岩土集团有限公司 Rock static blasthole drilling dust reduction device
CN105370313B (en) * 2015-07-29 2017-11-21 深圳市工勘岩土集团有限公司 The quiet blast hole Drilling device for reducing dust of rock
CN106362500A (en) * 2016-08-31 2017-02-01 凯天环保科技股份有限公司 Purification device for oil mist-containing waste gas
CN107413151A (en) * 2017-07-03 2017-12-01 合肥震岳工业设备科技有限公司 One kind automation cleaner

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EXPY Termination of patent right or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130501

Termination date: 20141203