CN101324191B - Dust removal method and apparatus of common drivage working surface - Google Patents
Dust removal method and apparatus of common drivage working surface Download PDFInfo
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- CN101324191B CN101324191B CN2007100158956A CN200710015895A CN101324191B CN 101324191 B CN101324191 B CN 101324191B CN 2007100158956 A CN2007100158956 A CN 2007100158956A CN 200710015895 A CN200710015895 A CN 200710015895A CN 101324191 B CN101324191 B CN 101324191B
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Abstract
The invention relates to a dust removal method and device for a common tunneling working surface, the dust removal method comprises the following steps: a dust removal air blower 3, a wind-cone 1 and a device for keeping off dust 2 are arranged in a tunneling tunnel; the device for keeping off dust is positioned 5 to 30 meters away from the tunneling face and divided into curtain type and air curtain devices for keeping off dust which respectively take a curtain for keeping off dust 5 and an air curtain formed by air current sprayed by an air current spraying component as shields for isolating the tunneling face from the back part of the tunnel. The dust removal device is divided into two types which consist of the dust removal air blower, the wind-cone and the device for keeping off dust; the difference of the two types is: one type of device for keeping off dust is of curtain type and composed of a hanging beam and a flexible curtain for keeping off dust; the other type is an air curtain for keeping off dust and composed of the air current spraying component, a spraying frame, a cut-off valve and an air supply pipe, etc.; and air is fed by an underground compressed air pipeline. By the matching of the device for keeping off dust and the dust removal air blower, the tunneling face is isolated from the back part of the tunnel, the blasting fume and dust are sealed in the working space without people and prevented from diffusing outward; the diffusion time of the fume in the tunnel is reduced, the wait time of people for sheltering the dust is reduced, and the work efficiency is improved.
Description
Technical field
The present invention relates to the coal mine evacuation working face dust collecting process, particularly a kind of be used for gun diging face, form by dedusting fan and air duct, take out the common drivage working surface dust collection method and the device of the dedusting of dirt formula.
Background technology
China's Patent Gazette for Utility Models discloses title: the patent of " driving face deduster ", the patent No.: ZL 200420099435.8.It provides a kind of down-hole compressed air of using, and drives the blade rotation by air motor and produces negative pressure, and the dust that driving face is produced sucks the deduster of removing.So claim air-operated dust catcher again.Current, this type of deduster that adopts is multiple in addition both at home and abroad, as: wet-type rotational flow dust-cleaning equipment, Wet-type dust-removal fan, venturi scrubber, wet fiber filtration dust catcher, cloth bag filtration dust catcher etc.But blasting fume that produces in the gun diging face operation and dust are longer diffusion time in the tunnel, depend merely on deduster and take out dirt, often need the time longer, the operating personnel is hidden and time of waiting for long, influence operating efficiency.
Summary of the invention
Take out the deficiency that dirt formula deduster extracts flue dust time length, personnel's stand-by period length, influences work efficiency in order to overcome existing gun diging face, the invention provides a kind of common drivage working surface dust arrester, it can make boring head and rear portion, tunnel separate, blasting fume that produces and dust are closed in extraction removing fast in the boring head unmanned operation space, reduce the stand-by period, improve work efficiency.
The technical solution adopted for the present invention to solve the technical problems is: the common drivage working surface dust collection method is: dedusting fan, air duct are set in digging laneway; At 5～30 meters of distance boring head the dust-break device is set; The dust-break device adopts by hanging the curtain formula dust-break device that beam, dust-break curtain etc. constitute.The dust-break curtain is spliced by polylith ribbon flexible material strip, makes to isolate the barrier at boring head and rear portion, tunnel.The air duct front end passes the dust-break curtain, is connected between the dedusting fan of boring head and back.Hanging beam and be not only can be laterally folded but also can be fixed into the hinged girder of straight beam, and the centre of hinged girder is hinged by vertical bearing pin, and hinged both sides are connected by latch.
The common drivage working surface dust collection method can also be: dedusting fan, air duct are set in digging laneway; At 5～30 meters of distance boring head the dust-break device is set; The dust-break device adopts the air curtain dust-break device that is made of flat nozzle, spray frame, stop valve, air supply pipe etc.Flat nozzle is contained on the spray frame, and its jet-stream wind forms air curtain, promptly isolates the airflow barrier at boring head and rear portion, tunnel in the cross section in tunnel.Flat nozzle is by the down-hole pipeline of calming the anger, through air supply pipe, the stop valve voltage supply air that contracts.The spray frame by hinge-coupled support and fixedly on the bracing frame of air duct, can do 90 ° of rotations.
The common drivage working surface dust arrester is made up of dedusting fan, air duct, dust-break device etc.At 5～30 meters of distance boring head the dust-break device is set.The air duct front end passes the dust-break device, is connected between the dedusting fan of boring head and back.A kind of dust-break device is a curtain formula dust-break device, by hang beam, the dust-break curtain constitutes.The dust-break curtain is spliced by polylith ribbon flexible material strip, makes to isolate the barrier at boring head and rear portion, tunnel.The air duct mouth that has air duct to pass on the curtain.Hanging beam and be not only can be laterally folded but also can be fixed into the hinged girder of straight beam, and the centre of hinged girder is hinged by vertical bearing pin, and hinged both sides are connected by latch.
Another kind of dust-break device is an air curtain dust-break device, by; Compositions such as flat nozzle, spray frame, stop valve, air supply pipe. Flat nozzle is installed on the spray frame, and its jet-stream wind forms air curtain, promptly isolates the airflow barrier at boring head and rear portion, tunnel in the cross section in tunnel.Flat nozzle is through air supply pipe, stop valve, is connected with the down-hole pipeline of calming the anger.The spray frame by hinge-coupled support and fixedly on the bracing frame of air duct, can do 90 ° of rotations.
The invention has the beneficial effects as follows:
1. by the effect of dust-break curtain and dedusting fan is set, boring head and operating personnel are separated, blasting fume and dust effectively are enclosed in the unmanned space, stop blasting fume and dust to external diffusion, reduce the pollution of dust concentration and blasting fume, improve the working environment of workers, it is healthy to be of value to the worker.
2. can be at short notice blasting fume and dust be totally extracted out completely, shorten blasting fume and dust diffusion time in the tunnel greatly, and the operating personnel is hidden and the stand-by period, has improved operating efficiency.
Fig. 1, the 2nd, the formation schematic diagram front view of dust arrester of the present invention, vertical view.
Fig. 3 is the structural representation front view of curtain formula dust-break device of the present invention.
Fig. 4 is the structural representation front view of air curtain dust-break device of the present invention.
Among the figure: 1-air duct, 2-dust-break device, 3-dedusting fan, 4-hang beam, 5-dust-break curtain, 6-spray frame, the flat nozzle of 7-, 8-bracing frame, the auxiliary dust-break curtain of 9-.
Description of drawings
The present invention is further described below in conjunction with drawings and Examples.
Embodiment 1:
A kind of common drivage working surface dust collection method of the present invention is: dedusting fan 3, air duct 1 are set in digging laneway; At 5～30 meters of distance boring head dust-break device 2 is set.Dust-break device 2 adopts by hanging the curtain formula dust-break device that beam 4, dust-break curtain 5 etc. constitute.Dust-break curtain 5 usefulness flexible materials are made, and make to isolate the barrier at boring head and rear portion, tunnel.Air duct 1 front end passes dust-break curtain 5, is connected between the dedusting fan 3 of boring head and back.
Embodiment 2:
The specific embodiment
The another kind of common drivage working surface dust collection method of the present invention is: dedusting fan 3, air duct 1 are set in digging laneway; At 5～30 meters of distance boring head dust-break device 2 is set.Dust-break device 2 adopts the air curtain dust-break device that is made of the flat nozzle of steam jet atomizer spare, spray frame, stop valve, air supply pipe etc.Flat nozzle is contained on the spray frame, and its jet-stream wind forms air curtain, promptly isolates the airflow barrier at boring head and rear portion, tunnel in the cross section in tunnel.Flat nozzle is by the down-hole pipeline of calming the anger, through air supply pipe, stop valve voltage supply gas.
Embodiment 3:
Structure at common drivage working surface dust arrester of the present invention shown in Fig. 1,2.Mainly form by dedusting fan 3, air duct 1, dust-break device 2.Be that general pick of dirt formula or gun diging face dust arrester are taken out in a kind of sealing.Be characterized in dust-break device 2 or claimed envelope dirt device.Dust-break device 2 is arranged on apart from 5～30 meters of boring head.Air duct 1 front end passes between the dedusting fan 3 that dust-break device 2 is connected in boring head and back.Divide two kinds according to the different main of dust-break device 2.This example is to adopt curtain formula dust-break device.
The structure of curtain formula dust-break device shown in Figure 3.By hang beam 4, dust-break curtain 5 constitutes.Hanging the dust-break curtain 5 that beam is hung for 4 times, be spliced by polylith ribbon adhesive tape.The air duct mouth is arranged on the dust-break curtain 5, and air feed tube 1 passes.Dust-break curtain 5 is the barriers of isolating boring head and its rear portion, sealing dust production resource.That hangs dust-break curtain 5 hangs beam 4, is fixed on the back.It can be a fixed cross beam, also can be hinged girder.Hinged with vertical bearing pin in the middle of the hinged girder, and hinged both sides connect with latch, by the plug latch, make the hinged girder both can be laterally folded, can be fixed into straight crossbeam again.
Embodiment 4:
This example is a kind of common drivage working surface dust arrester that dust-break device 3 adopts air curtain dust-break device.
The structure of air curtain dust-break device shown in Figure 4.It is made of flat nozzle 7, spray frame 6, stop valve, air supply pipe etc.Flat nozzle 7 or title air knife serve as preferred with the flat nozzle of fan type.Flat nozzle 7 is installed on the spray frame 6, and its jet-stream wind forms air curtain, promptly isolates the airflow barrier at boring head and rear portion, tunnel on the cross section in tunnel.Flat nozzle 7 is through air feed sebific duct, stop valve, is connected with the down-hole pipeline of calming the anger; Provide compressed air by the down-hole pipeline of calming the anger.Be welded with nozzle carrier on the spray frame 6, it is the nozzle installing rack, is again the part of air supply pipe.Spray frame 6 by hinge-coupled on bracing frame 8, can do 90 ° of rotations, bracing frame 8 also supports and the fixing auxiliary dust-break curtain 9 of air duct 1 and air duct 1 bottom simultaneously.Auxiliary dust-break curtain 9 usefulness adhesive tapes are made, and play local dust-break effect.
Dedusting fan 3 can be selected the high wet type vibratory string dedusting fan of efficient for use.
Operating principle:
1. by the dust-break device is set, boring head blasting fume, dust and the operating personnel who produces that drill and blast kept apart, extract the flue dust of enclosed area out removing by dedusting fan; And, in the enclosed area, forming a negative pressure field by the effect of dedusting fan, the gap that makes fresh wind circulation cross the dust-break curtain flows to the enclosed area, stops flue dust to external diffusion, makes it to be enclosed in the unmanned operation space, reduces dust concentration and air pollution.
2. the dust-break curtain that replaces physical form with air curtain plays sealing boring head flue dust equally, stops it to external diffusion, and do not influence operating personnel's sight line, does not hinder operating personnel to walk and operation.
Except the foregoing description, also can adopt following scheme: 1. steam jet atomizer spare adopts other injection device, as the short jet pipe that longitudinally cracks, and is combined into the spray frame by the short jet pipe of more piece.2. spray the frame arrangement form: according to the size of drift section, adopt Internal and external cycle to arrange,, adapt to the needs of large section roadway to increase the area of air curtain.Increase the spray frame the number of plies, be the number of plies of air curtain, improve dust-break effect and ability.3. the dust-break curtain also can be made of monoblock or banded other flexible material of polylith.
Claims (8)
1. a common drivage working surface dust collection method is provided with dedusting fan (3), air duct (1) in digging laneway, it is characterized in that: at 5～30 meters of distance boring head dust-break device (2) is set; The dust-break device adopts curtain formula dust-break device, and it comprises hangs beam (4), dust-break curtain (5); Dust-break curtain (5) is spliced by polylith ribbon flexible material strip, is the barrier of isolating boring head and rear portion, tunnel; The air duct front end passes dust-break curtain (5), is connected between the dedusting fan of boring head and back; Hanging beam (4) and be not only can be laterally folded but also can be fixed into the hinged girder of straight beam, and the centre of hinged girder is hinged by vertical bearing pin, and hinged both sides are connected by latch.
2. the common drivage working surface dust arrester that common drivage working surface dust collection method according to claim 1 is used comprises dedusting fan (3), air duct (1), it is characterized in that: be provided with dust-break device (2) at 5～30 meters of distance boring head; Dust-break device (2) is a curtain formula dust-break device, comprises hanging beam (4), dust-break curtain (5); Dust-break curtain (5) is spliced by polylith ribbon flexible material strip, is the barrier of isolating boring head and rear portion, tunnel; Hanging beam (4) and be not only can be laterally folded but also can be fixed into the hinged girder of straight beam, and the centre of hinged girder is hinged by vertical bearing pin, and hinged both sides are connected by latch.
3. common drivage working surface dust arrester according to claim 2 is characterized in that: said flexible material strip is an adhesive tape.
4. a common drivage working surface dust collection method is provided with dedusting fan (3), air duct (1) in digging laneway, it is characterized in that: at 5～30 meters of distance boring head dust-break device (2) is set; The dust-break device adopts air curtain dust-break device, and it comprises flat nozzle (7), spray frame, stop valve, air supply pipe; Flat nozzle (7) is installed on the spray frame, and its jet-stream wind forms air curtain, promptly isolates the airflow barrier at boring head and rear portion, tunnel in the cross section in tunnel; Flat nozzle (7) is by the down-hole pipeline of calming the anger, through air supply pipe, the stop valve voltage supply air that contracts; The spray frame by hinge-coupled support and fixedly the bracing frame (8) of air duct (1) go up, can do 90 ° of rotations.
5. the common drivage working surface dust arrester that common drivage working surface dust collection method according to claim 4 is used comprises dedusting fan (3), air duct (1), it is characterized in that: be provided with dust-break device (2) at 5～30 meters of distance boring head; Dust-break device (2) is an air curtain dust-break device, comprises flat nozzle (7), spray frame, stop valve, air supply pipe; Flat nozzle (7) is installed on the spray frame, and the cross-sectional direction of its jet-stream wind in the tunnel is air curtain, promptly isolates the airflow barrier at boring head and rear portion, tunnel; Flat nozzle (7) is through air supply pipe, stop valve, is connected with the down-hole pipeline of calming the anger; The spray frame by hinge-coupled support and fixedly the bracing frame (8) of air duct (1) go up, can do 90 ° of rotations.
6. common drivage working surface dust arrester according to claim 5 is characterized in that: on the said spray frame (6) nozzle carrier is arranged, the spray frame is an air supply pipe, is again the nozzle installing rack.
7. common drivage working surface dust arrester according to claim 5 is characterized in that: said flat nozzle (7) is the flat nozzle of fan type.
8. according to claim 2 or 5 described common drivage working surface dust arresters, it is characterized in that: said dedusting fan (3) is a wet type vibratory string dedusting fan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007100158956A CN101324191B (en) | 2007-06-14 | 2007-06-14 | Dust removal method and apparatus of common drivage working surface |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007100158956A CN101324191B (en) | 2007-06-14 | 2007-06-14 | Dust removal method and apparatus of common drivage working surface |
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| Publication Number | Publication Date |
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| CN101324191A CN101324191A (en) | 2008-12-17 |
| CN101324191B true CN101324191B (en) | 2011-11-09 |
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| CN2007100158956A Expired - Fee Related CN101324191B (en) | 2007-06-14 | 2007-06-14 | Dust removal method and apparatus of common drivage working surface |
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Families Citing this family (13)
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| CN102003180B (en) * | 2010-10-25 | 2012-12-12 | 三一重型装备有限公司 | Continuous miner and dust removal device thereof |
| CN102434156B (en) * | 2011-10-11 | 2014-09-10 | 三一重型装备有限公司 | Dust removing curtain device for development machine |
| CN102817611A (en) * | 2012-08-17 | 2012-12-12 | 淮北市众泰机电工程有限公司 | Suspension type tunneling frontal dust removal device |
| CN103306702B (en) * | 2013-06-28 | 2016-01-20 | 中铁十七局集团第三工程有限公司 | A kind of tunnel ventilation construction air filling type spacer assembly |
| CN103775083B (en) * | 2014-02-26 | 2015-11-04 | 安徽理工大学 | One and fully-mechanized digging machine synchronizing moving dedusting air cleaning system |
| CN104500123B (en) * | 2014-12-22 | 2016-08-17 | 中国葛洲坝集团第三工程有限公司 | A kind of distance tunnel construction phase quick ventilation and exhaust device and method |
| CN105971602A (en) * | 2016-07-25 | 2016-09-28 | 重庆工程职业技术学院 | Integrated excavator mounted dust collection device |
| CN109209467B (en) * | 2018-07-18 | 2021-02-23 | 山东大学 | Full-automatic curtain dust collector in suspension type tunnel |
| CN111577376B (en) * | 2020-05-15 | 2022-02-11 | 中国矿业大学 | Mine driving face dust removal method |
| CN111894581B (en) * | 2020-08-26 | 2022-09-09 | 中煤科工集团重庆研究院有限公司 | Coal cutter coal cutting and dust production flow separation control dust and dust falling method |
| CN112324484B (en) * | 2020-10-10 | 2022-07-22 | 湖南科技大学 | Closed dust removal and dirty air recycling device for mine excavation roadway and using method |
| CN112682088A (en) * | 2020-12-29 | 2021-04-20 | 四川省洪雅青衣江元明粉有限公司 | Dry type dust removal process of development machine |
| CN113090317B (en) * | 2021-05-13 | 2022-06-10 | 重庆工程职业技术学院 | Coal mine dust isolation treatment device and use method |
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