CN103422880B - Rock gangway fully mechanized workface dust pelletizing system - Google Patents

Rock gangway fully mechanized workface dust pelletizing system Download PDF

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Publication number
CN103422880B
CN103422880B CN201310322829.9A CN201310322829A CN103422880B CN 103422880 B CN103422880 B CN 103422880B CN 201310322829 A CN201310322829 A CN 201310322829A CN 103422880 B CN103422880 B CN 103422880B
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China
Prior art keywords
air
fully mechanized
dust
casing
mechanized workface
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CN201310322829.9A
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Chinese (zh)
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CN103422880A (en
Inventor
童艮宝
孙祥广
方超
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淮南矿业(集团)有限责任公司
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Publication of CN103422880A publication Critical patent/CN103422880A/en
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Abstract

The present invention provides a kind of rock gangway fully mechanized workface dust pelletizing system, and this dust pelletizing system includes ventilation unit and cleaner unit;Ventilation unit includes air-supply passage, breeze fan, air exhaust passage and induced draft fans;Breeze fan is arranged on air-supply passage, and the air outlet of air-supply passage is towards fully mechanized workface;Induced draft fans and cleaner unit are installed on described air exhaust passage, and the air inlet of air exhaust passage is towards described fully mechanized workface.In rock gangway fully mechanized workface is constructed, by discharging after in the air suction air exhaust passage that exhaust blower will contain a large amount of dust near rock gangway fully mechanized workface, also removing dust device carries out depositing dust, by pressure fan, the fresh air in other tunnels is the most constantly transported near rock gangway fully mechanized workface simultaneously, by extracting out and purifying depositing dust process, greatly reduce the dust concentration of work surface and return air thereof, have received preferable dust-laying effect, eliminate potential safety hazard, improve working environment, improve work efficiency.

Description

Rock gangway fully mechanized workface dust pelletizing system
Technical field
The present invention relates to coal mine dedusting technology, particularly relate to a kind of rock gangway fully mechanized workface dust pelletizing system.
Background technology
The capital equipment that stone head development machine tunnels as coal mine roadway, can produce substantial amounts of when tunnelling Dust, the operation of driving face is numerous and diverse, and the place position producing dust is changeable, along with pick skill combined by rock gangway The fast development of art, China's coal-mine dust pollution question is on the rise, if fully mechanized workface is in only taking During external spraying, at driver, dust concentration is up to 300~1000mg/m3, and respirable dust to account for full dirt dense About the 30% of degree, either full dust concentration or the equal severe overweight of respirable dust concentration, that brings is tight Weight consequence is increasing of coal industry pneumoconiosis number.
The difficulties of the most logical anti-management of the dust-proof problem of rock roadway in coal mine fully mechanized workface, due to work Cement is met in rock stratum residing for the driving of face, so the dust-proof working environment met head on that can deteriorate of a large amount of water, no Only provide spoil and bring difficulty, fully-mechanized digging machine more can be caused to mire down in mud and affect safety in production.
Summary of the invention
The present invention provides a kind of rock gangway fully mechanized workface dust pelletizing system, is used for overcoming defect of the prior art, Reach dust removing effects.
The present invention provides a kind of rock gangway fully mechanized workface dust pelletizing system, this dust pelletizing system include ventilation unit and Cleaner unit;
Described ventilation unit includes air-supply passage, breeze fan, air exhaust passage and induced draft fans;Described send Wind assembling is on described air-supply passage, and the air outlet of described air-supply passage is towards fully mechanized workface;Institute State induced draft fans and described cleaner unit is installed on described air exhaust passage, the air inlet of described air exhaust passage Towards described fully mechanized workface.
Wherein, described breeze fan is arranged on described air-supply passage end, the air inlet of described air-supply passage It is connected with the air outlet of described breeze fan.
Further, described induced draft fans is arranged in the middle part of described air exhaust passage, and described cleaner unit is arranged on Described air exhaust passage end, the air outlet of described air exhaust passage is connected with described cleaner unit.
Particularly, described cleaner unit includes casing and at least one wind-water linkage atomizer being located in this casing, Described tank ends is provided with air inlet and air outlet, the air inlet of described casing and the air outlet of exhaust duct Connect, the air outlet connection air of described casing;Described wind-water linkage atomizer includes spraying chamber and being located at At least one nozzle on this spraying chamber, described spraying chamber be respectively provided with connection compressed-air actuated enter QI KOU and for connecting the water inlet at water source.
Wherein, at least one Dust-proof screen window, the air inlet of described casing and described case it are provided with in described casing Described casing between the air outlet of body is provided with at least one pedestal, is provided with and described screen window in described pedestal The chute that edge is adaptive, described Dust-proof screen window can insert in the chute of described pedestal from described casing side.
Wherein, described body side is provided with at least one for the clean-up port clearing up dust.
Further, described box bottom is provided with sewage draining exit.
Further, the air inlet of described casing and/or the air outlet of described casing are provided with filter screen.
The rock gangway fully mechanized workface dust pelletizing system that the present invention provides, in rock gangway fully mechanized workface is constructed, logical Cross exhaust blower by near rock gangway fully mechanized workface containing a large amount of dust air suction air exhaust passage in and through removing Dirt device is discharged after carrying out depositing dust, by pressure fan by the fresh air in other tunnels simultaneously It is transported near rock gangway fully mechanized workface, by extracting out and purifying depositing dust process, greatly reduces work surface And the dust concentration of return air, have received preferable dust-laying effect, eliminate potential safety hazard, improve work Make environment, improve work efficiency.
Accompanying drawing explanation
The structural representation of the dust pelletizing system that Fig. 1 a provides for the embodiment of the present invention;
The use state reference schematic diagram of the dust pelletizing system that Fig. 1 b provides for the embodiment of the present invention;
The front view of the cleaner unit in the dust pelletizing system that Fig. 2 provides for the embodiment of the present invention;
Fig. 3 is the top view of Fig. 2;
Fig. 4 is the left view of Fig. 2;
Fig. 5 is the structural representation of Dust-proof screen window embodiment in cleaner unit;
Fig. 6 is the scheme of installation of cleaner unit;
Fig. 7 is the right view of Fig. 6.
Detailed description of the invention
As shown in Figure 1a, the embodiment of the present invention provides a kind of rock gangway fully mechanized workface dust pelletizing system, this dedusting Device includes ventilation unit and cleaner unit 1;Ventilation unit includes air-supply passage 2, breeze fan 3, air draft Passage 4 and induced draft fans 5;Breeze fan 3 is arranged on air-supply passage 2, the air-out of air-supply passage 2 Mouth is towards fully mechanized workface 6;Induced draft fans 5 and cleaner unit 1 are installed on air exhaust passage 4, air draft The air inlet of passage 4 is towards fully mechanized workface 6.
The rock gangway fully mechanized workface dust pelletizing system that reality embodiment of the present invention provides, fresh air is by air-supply wind Machine 3 is pressed in air-supply passage 2, and is admitted to fully mechanized workface 6 by air-supply passage 2, combines pick work Make that the dust-laden in face 6 is distinguished and admirable to be drawn in air exhaust passage 4 under induced draft fans 5 acts on, last removing dust device 1 filters and discharges after depositing dust, and distinguished and admirable trend sees the arrow in Fig. 1 a and points to, and in the present embodiment, send Wind blower fan 3 is preferably mounted at the air inlet end of supply air duct 2, it is possible to be arranged in the middle part of air-supply passage 2, When air-supply passage 2 is shorter, breeze fan 3 can also be arranged on the air opening end of air-supply passage 2;Take out Wind blower fan 5 is arranged in the middle part of air exhaust passage 4, it is possible to be arranged on air inlet end or the air draft of air exhaust passage 4 Mouth end, cleaner unit 1 is arranged on the air opening end of air exhaust passage 4.Air-supply passage 2 and row in the present embodiment The concrete shape of wind passage 4 can be configured according to the practical situation of underworkings, does not limits at this, air channel Specifically can be selected for circular pipe or square pipe, be arranged in tunnel.
Below in conjunction with concrete mine, installation and the use of dust pelletizing system are described in detail, such as Fig. 1 b institute Show, mine use main shaft 7, auxiliary shaft 8 air intake, ventilating shaft return air, blower fan does not shows in 1b figure, auxiliary shaft around Distinguished and admirable in road and assistant conveyance tunnel finally discharges through ventilating shaft, can set interim main fan in ventilating shaft, Interim main fan can be selected for FBCDZ-8-No28 profile shaft stream counter rotating fan, and rated power is 2 × 450Kw, fully mechanized workface 6 takes combination of forced and exhaust ventilation, the wherein breeze fan of forced ventilation 3 can be selected for 2 × 15 types to axial flow rotary portable blower, open single-stage, and the air-supply passage 2 of supporting air duct selects Φ 800mm Positive pressure wind pipe, the air outlet of positive pressure wind pipe away from driving face 6 between 5~8 meters, exhaust ventilation Induced draft fans 5 selects FBCDNo6.7/2 × 30 type pull-out type to axial flow rotary portable blower, opens single-stage, suction side The air exhaust passage 4 of supporting air duct selects the negative pressure skeleton air duct of Φ 1000mm, the air intake of negative pressure skeleton air duct Mouth distance driving face 6 is between 10~15 meters, and the weary wind of extraction is pressed by the pipeline 9 of Φ 800mm Enter a switchyard, eventually pass after cleaner unit 1 purifies and discharge.
The rock gangway fully mechanized workface dust pelletizing system that the embodiment of the present invention provides makes the sky of work surface and return thereof Makings amount is greatly improved, and digging laneway is become air intake from return air, and high-power pull-out type portable blower joins small-power pressure Enter formula portable blower, to take out, extract out air quantity be 372~430m3/min, press-in air quantity be 196~ 262m3/min, air quantity >=168m3/min that air duct superposition section tunnel is passed through, meet rock gangway wind speed and be not less than (interior sump tunnelling rough section is 17.6m in the requirement of 0.15m/s2, required airflow is >=159m3/min), Forced air duct is directly fresh distinguished and admirable driver of roadheader side of delivering to, and pull-out type air duct is arranged on opposite side, When not taking compound ventilation, the respirable dust concentration recorded at 5 meters near driver of roadheader is 15.2~18.5mg/m3, after taking compound ventilation, the respirable dust concentration near driver reduce to 2.3~ 3.1mg/m3, dust reduction rate reaches more than 83.2%;Full dust concentration is by 23.6~25.2mg/m3Drop to 3.8~ 4.3mg/m3, dust reduction rate reaches more than 82.9%, all meets the respirable dust that National Industrial sanitary standard specifies Concentration is less than 3.5mg/m3With full dust concentration less than 10mg/m3Requirement;The air outlet of cleaner unit 1, In the case of work surface normally produces, away from 5 meters of positions of cleaner unit air outlet record distinguished and admirable in respiratory Dust concentration is 1.2~1.6mg/m3, full dust concentration is 2.2~2.6mg/m3, and getting rid of cleaner unit 1 After, the respirable dust concentration recorded at induced draft fans 5 air outlet is 13.7~14.9mg/m3, Quan Chennong Degree is 21.0~22.5mg/m3, dust reduction rate respectively reaches 89.3% and more than 88.4%.
As the preferred version of above-described embodiment, for increasing wind flow further, breeze fan 3 is arranged on Air-supply passage 2 end, the air inlet of air-supply passage 2 is connected with the air outlet of breeze fan 3.Convulsion wind Machine 5 is arranged in the middle part of air exhaust passage 4, and cleaner unit 1 is arranged on air exhaust passage 4 end, air exhaust passage 4 Air outlet be connected with cleaner unit 1.
As the detailed description of the invention of above-described embodiment, as illustrated in figs. 2-7, cleaner unit 1 includes casing 11 With at least one wind-water linkage atomizer 12 being located in this casing 11, casing 11 two ends are provided with air inlet 10 With air outlet 20, the air inlet 10 of casing is connected with the air outlet of exhaust duct 4, the air outlet of casing 20 connection air;Wind-water linkage atomizer 12 includes spraying chamber and at least one being located on this spraying chamber Nozzle 30, spraying chamber is respectively provided with the compressed-air actuated air inlet of connection and for connecting entering of water source The mouth of a river.
The sectional dimension of casing is 1600mm × 1600mm, and per pass wind-water linkage atomizer 12 is provided with three Individual nozzle 30, each nozzle 30 is mounted on a shower nozzle 3, and the air inlet in spraying chamber connects to be had Pressure wind control valve, the water inlet in spraying chamber is provided with water control valve, by pressure wind control valve and water control valve Regulation high-pressure blast and the parameter of water so that shower nozzle spraying flows through the dust laden air of box house also for reducing Reach dust-laying effect.
In order to improve the purifying and dedusting effect of cleaner unit further, in casing 11, it is provided with at least one dedusting Screen window 13, the casing 11 between air inlet 10 and the air outlet 20 of casing 11 of casing 11 is provided with At least one pedestal 14, is provided with the chute suitable with Dust-proof screen window 13 edge, Dust-proof screen window in pedestal 14 13 can insert in the chute of pedestal 14 from casing 11 side.The present embodiment Zhong You tetra-road Dust-proof screen window 13, It is divided into two kinds of specifications, and Dust-proof screen window 13 interlaced arrangement of two kinds of specifications, is used for improving filter dirt effect.Remove Dirt screen window 13 has frame 13a, the bookbinding filter screen 13b in frame 13a and is located at described frame 13a mono- The handle 13c of side is constituted, and the chute in pedestal 14 is suitable with frame 13a.
For convenience of cleaning, casing 11 side is provided with at least one for the clean-up port 15 clearing up dust.Case Sewage draining exit 16 it is provided with bottom body 11.Cleaner unit devises two cleaning passages, is mainly used to cleaning deposition Rock dirt, dust arrester have also been devised two dust-laden outlets of sewer for normal draining-off sewage.
For increasing filter effect further, the air inlet 10 of casing 11 and/or the air outlet 20 of casing 11 It is provided with filter screen.Filter screen selects 18 × 16 mesh nylon window screenings, and filter screen uses retort stand to fix, and is mounted with hands , it is simple to pull.
Last it is noted that various embodiments above is only in order to illustrate technical scheme, rather than right It limits;Although the present invention being described in detail with reference to foregoing embodiments, this area common Skilled artisans appreciate that the technical scheme described in foregoing embodiments still can be modified by it, Or the most some or all of technical characteristic is carried out equivalent;And these amendments or replacement, and The essence not making appropriate technical solution departs from the scope of various embodiments of the present invention technical scheme.

Claims (8)

1. a rock gangway fully mechanized workface dust pelletizing system, it is characterised in that this dust pelletizing system includes the dress that ventilates Put and cleaner unit;
Described ventilation unit includes air-supply passage, breeze fan, air exhaust passage and induced draft fans;Described send Wind assembling is on described air-supply passage, and the air outlet of described air-supply passage is towards fully mechanized workface;Institute State induced draft fans and described cleaner unit is installed on described air exhaust passage, the air inlet of described air exhaust passage Towards described fully mechanized workface;
Described breeze fan air quantity is 196~262m3/ min, described induced draft fans air quantity be 372~ 430m3/ min, described air-supply passage air outlet is 5~8 meters away from fully mechanized workface distance, and described air draft is led to Road air inlet is 10~15 meters away from fully mechanized workface distance;
Described cleaner unit includes casing and at least one wind-water linkage atomizer being located in this casing, described case Body two ends are provided with air inlet and air outlet, and the air inlet of described casing is connected with the air outlet of exhaust duct, The air outlet connection air of described casing;Described wind-water linkage atomizer includes spraying chamber and being located at this spraying At least one nozzle on chamber, described spraying chamber be respectively provided with connection compressed-air actuated air inlet and For connecting the water inlet at water source.
Rock gangway fully mechanized workface dust pelletizing system the most according to claim 1, it is characterised in that described Breeze fan is arranged on described air-supply passage end, the air inlet of described air-supply passage and described breeze fan Air outlet connect.
Rock gangway fully mechanized workface dust pelletizing system the most according to claim 1, it is characterised in that described Induced draft fans is arranged in the middle part of described air exhaust passage, and described cleaner unit is arranged on described air exhaust passage end, The air outlet of described air exhaust passage is connected with described cleaner unit.
4., according to the rock gangway fully mechanized workface dust pelletizing system described in any one of claim 1-3, its feature exists In, it being provided with at least one Dust-proof screen window in described casing, the air inlet of described casing goes out with described casing Described casing between air port is provided with at least one pedestal, is provided with and described Dust-proof screen window limit in described pedestal The chute that edge is adaptive, described Dust-proof screen window can insert in the chute of described pedestal from described casing side.
Rock gangway fully mechanized workface dust pelletizing system the most according to claim 4, it is characterised in that described Body side is provided with at least one for the clean-up port clearing up dust.
Rock gangway fully mechanized workface dust pelletizing system the most according to claim 5, it is characterised in that described Box bottom is provided with sewage draining exit.
Rock gangway fully mechanized workface dust pelletizing system the most according to claim 4, it is characterised in that described The air inlet of casing and/or the air outlet of described casing are provided with filter screen.
8. according to the rock gangway fully mechanized workface dust pelletizing system described in claim 5 or 6, it is characterised in that The air inlet of described casing and/or the air outlet of described casing are provided with filter screen.
CN201310322829.9A 2013-07-29 2013-07-29 Rock gangway fully mechanized workface dust pelletizing system CN103422880B (en)

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CN103422880B true CN103422880B (en) 2016-08-10

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Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103670488A (en) * 2013-12-09 2014-03-26 淮南矿业(集团)有限责任公司 Underground coal mine automatic dustproof spraying device
CN106761878A (en) * 2015-11-19 2017-05-31 成都九十度工业产品设计有限公司 A kind of mine ventilation system
CN106110804B (en) * 2016-05-25 2018-09-11 煤炭工业济南设计研究院有限公司 A kind of haze processing system based on abandoned mine
CN108612557A (en) * 2018-04-25 2018-10-02 陆淑鑫 A kind of tunnel Multifunction ventilated watering device

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CN2156942Y (en) * 1993-05-07 1994-02-23 淮南矿业学院 Cyclone draught dust collector
CN202031634U (en) * 2011-01-29 2011-11-09 山东唐口煤业有限公司 Distance dust emission equipment
CN102418544A (en) * 2011-10-28 2012-04-18 山西晋城无烟煤矿业集团有限责任公司 Gas control and dust fall method for overlapped section of air barrels in excavation roadway
CN202709331U (en) * 2012-08-22 2013-01-30 珠海格力电器股份有限公司 Air purifier
CN203420726U (en) * 2013-07-29 2014-02-05 淮南矿业(集团)有限责任公司 Dedusting system of fully mechanized excavation face of rock roadway

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CN101892858A (en) * 2010-07-30 2010-11-24 长治市赢盛科技开发有限公司 Wet type dust collector for crag lane or half coal crag lane

Patent Citations (5)

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Publication number Priority date Publication date Assignee Title
CN2156942Y (en) * 1993-05-07 1994-02-23 淮南矿业学院 Cyclone draught dust collector
CN202031634U (en) * 2011-01-29 2011-11-09 山东唐口煤业有限公司 Distance dust emission equipment
CN102418544A (en) * 2011-10-28 2012-04-18 山西晋城无烟煤矿业集团有限责任公司 Gas control and dust fall method for overlapped section of air barrels in excavation roadway
CN202709331U (en) * 2012-08-22 2013-01-30 珠海格力电器股份有限公司 Air purifier
CN203420726U (en) * 2013-07-29 2014-02-05 淮南矿业(集团)有限责任公司 Dedusting system of fully mechanized excavation face of rock roadway

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