CN103758557B - Mine dust hierarchical composition dust-removing method and device - Google Patents
Mine dust hierarchical composition dust-removing method and device Download PDFInfo
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- CN103758557B CN103758557B CN201410043382.6A CN201410043382A CN103758557B CN 103758557 B CN103758557 B CN 103758557B CN 201410043382 A CN201410043382 A CN 201410043382A CN 103758557 B CN103758557 B CN 103758557B
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Abstract
A kind of mine dust hierarchical composition device for reducing dust, at the one-level dust falling system that the inside and outside atomization mechanism of coal-winning machine or development machine is formed, comprise secondary haze conversion system that ultrasonic dry fog generator forms and haze system falls in three grades of drizzle walls that drizzle generating means is formed.Mine dust hierarchical composition dust-removing method of the present invention and device; conventional instantaneous point depositing dust is changed into fragmentation procedure depositing dust; by forming water fog particle or the gas water fog particle of different-grain diameter; but fall each grade mine dust respectively, but realize minute particle diameter to the distinguished and admirable middle mine dust of digging point, segmentation is fallen and process transforms.Mine dust hierarchical composition dust-removing method of the present invention and device can advance with digging point and move, possess control and pedestrian automatically and stop rain function, dustfall efficiency is high, by being humidified to dirty wind, achieve the dust suppression of return, depositing dust, explosion-proof, fire prevention, cooling, drag reduction, than conventional depositing dust method dust-laying effect give prominence to.
Description
Technical field
The present invention relates to a kind of coal mine excavation work plane dust-removing method, specifically, relate to a kind of mine dust hierarchical composition dust-removing method.
Background technology
Coal mine excavation face-airing watering and lowering dust purifies air, ensure workman's occupational health, improve conditions for equipment use, reduce key technology and the important procedure of windage, dust-removing method conventional at present and device comprise dry type depositing dust and wet type dust falling system, based on ventilation dust discharge and wet type depositing dust, being arranged in work plane meets head near dirt source point, for meeting the requirement that Rapid excavation advances, water-spraying amount is large, the depositing dust time is short, interference is had to the master operation of producing, exhale dirt particle effect not good especially to abatement less than 10 μm, dust content is exhaled to exceed standard in often causing dirt distinguished and admirable, in returnairshaft, dust-loaded particle is many and windage is large, fan efficiency is low, ventilating shaft surface plant air is dirty.
Summary of the invention
For above-mentioned deficiency of the prior art, the invention provides the high mine dust hierarchical composition dust-removing method of a kind of dustfall efficiency and device.
The technical solution used in the present invention is:
A kind of mine dust hierarchical composition device for reducing dust, comprises the automatic water purifier be connected with dust-proof pure water pipe and the gasholder be connected with pressure ventilation pipe; Automatic water purifier is connected with high-pressure water pipe; Gasholder is connected with voltage stabilizing airduct with ftercompction air compressor; The one-level dust falling system that the inside and outside atomization mechanism being arranged on coal-winning machine or development machine is formed, haze system falls in three grades of drizzle walls of the secondary haze conversion system and drizzle generating means formation that comprise ultrasonic dry fog generator formation.
Described secondary haze conversion system comprises the ultrasonic dry fog generator be connected with voltage stabilizing airduct with high-pressure water pipe, and ultrasonic dry fog generator and right side solid carbon dioxide mist linear nozzle are arranged and left side solid carbon dioxide mist linear nozzle is arranged; Right side solid carbon dioxide mist linear nozzle row and left side solid carbon dioxide mist linear nozzle row are separately positioned on the left and right sides, tunnel; Ultrasonic dry fog generator is made up of air water equalizing valve group and ultrasonic resonance room; Right side solid carbon dioxide mist linear nozzle row and left side solid carbon dioxide mist linear nozzle row length are 3.0 ~ 5.0m; Described secondary haze conversion system is arranged at one-level dust falling system rear 15 ~ 20m; .
Described three grades of drizzle walls fall haze Operation system setting in secondary haze conversion system rear 15 ~ 20m.
The drizzle wall length that haze system falls in described three grades of drizzle walls is 3 ~ 4m.
The water fog particle diameter that haze system falls in described three grades of drizzle walls is 50 ~ 300 μm.
Be provided with dust concentration probe, wind speed probe and infrared pedestrian in tunnel and stop rain probe; Dust concentration probe, wind speed probe are connected with control and power distribution equipment; Dust concentration probe, wind speed probe are arranged on setting of meeting head on; Infrared pedestrian stops rain probe and is connected with drizzle generating means; Infrared pedestrian stops rain probe and is arranged on three grades of drizzle wall rear 2.0m.
Described three grades of drizzle walls fall haze system and are made up of stabilized pressure pump and voltage stabilizing pipeline; Voltage stabilizing pipeline be arranged on fan nozzle that arch, tunnel or top board laterally install and arrange and be connected.
Described automatic water purifier comprises water-pressure booster pump and filtration purifier.
The beneficial effect of hinge structure of the present invention:
Mine dust hierarchical composition dust-removing method of the present invention and device; conventional instantaneous point depositing dust is changed into fragmentation procedure depositing dust; by forming water fog particle or the gas water fog particle of different-grain diameter; but fall each grade mine dust respectively, but realize minute particle diameter to the distinguished and admirable middle mine dust of digging point, segmentation is fallen and process transforms.Mine dust hierarchical composition dust-removing method of the present invention and device can advance with digging point and move, possess control and pedestrian automatically and stop rain function, dustfall efficiency is high, by being humidified to dirty wind, achieve the dust suppression of return, depositing dust, explosion-proof, fire prevention, cooling, drag reduction, than conventional depositing dust method dust-laying effect give prominence to.
Accompanying drawing explanation
Fig. 1 is mine dust hierarchical composition dust-removing method of the present invention and apparatus structure schematic diagram.
Critical piece symbol description in accompanying drawing:
In figure:
1, dust-proof pure water pipe 2, pressure ventilation pipe
3, automatic water purifier 4, ftercompction air compressor
5, gasholder 6, high-pressure water pipe
7, voltage stabilizing airduct 8, drizzle generating means
9, arch nozzle row 10, ultrasonic dry fog generator
11, right side solid carbon dioxide mist linear nozzle row 12, left side solid carbon dioxide mist linear nozzle row
13, unit aqueous vapor equalizing feature 14, unit internal spraying head
15, unit external spraying head 16, electricity supply and control circuit
17, to control and power distribution equipment 18, infrared pedestrian stop rain probe
19, wind speed probe 20, dust concentration probe
21, one-level sprinkling system 22, secondary haze conversion system
23, haze system 24, water purification and voltage-stabilizing system fall in three grades of drizzle walls.
Detailed description of the invention
Referring to drawings and Examples, the present invention will be described in detail:
Accompanying drawing 1 is known, a kind of mine dust hierarchical composition device for reducing dust, comprises the automatic water purifier 3 be connected with dust-proof pure water pipe 1 and the gasholder 5 be connected with pressure ventilation pipe 2; Automatic water purifier 3 is connected with high-pressure water pipe 6; Gasholder 5 is connected with voltage stabilizing airduct 7 with ftercompction air compressor 4; The one-level dust falling system that the inside and outside atomization mechanism being arranged on coal-winning machine or development machine is formed, haze system falls in three grades of drizzle walls of the secondary haze conversion system and drizzle generating means 8 formation that comprise ultrasonic dry fog generator 8 formation.
Described secondary haze conversion system comprises the ultrasonic dry fog generator 8 be connected with voltage stabilizing airduct 7 with high-pressure water pipe 6, ultrasonic dry fog generator 8 and right side solid carbon dioxide mist linear nozzle arrange 11 and left side solid carbon dioxide mist linear nozzle arrange 12; Right side solid carbon dioxide mist linear nozzle row 11 and left side solid carbon dioxide mist linear nozzle row 12 are separately positioned on the left and right sides, tunnel; Ultrasonic dry fog generator 8 is made up of air water equalizing valve group and ultrasonic resonance room; It is 3.0 ~ 5.0m that right side solid carbon dioxide mist linear nozzle row 11 and left side solid carbon dioxide mist linear nozzle arrange 12 length; Described secondary haze conversion system is arranged at one-level dust falling system rear 15 ~ 20m.According to output, the particle diameter of hydraulic pressure and blast autobalance air water mist, generate the gas water fog particle of about 10 μm diameters of coupling fine dust, the dust of about 10 μm diameters during dirt is distinguished and admirable is converted into haze, becomes haze segment length to be 15 ~ 20m.
Described three grades of drizzle walls fall haze Operation system setting in secondary haze conversion system rear 15 ~ 20m.
The drizzle wall length that haze system falls in described three grades of drizzle walls is 3 ~ 4m.
The water fog particle diameter that haze system falls in described three grades of drizzle walls is 50 ~ 300 μm.
Be provided with dust concentration probe, wind speed probe and infrared pedestrian in tunnel and stop rain probe; Dust concentration probe, wind speed probe are connected with control and power distribution equipment; Dust concentration probe, wind speed probe are arranged on setting of meeting head on; Infrared pedestrian stops rain probe and is connected with drizzle generating means; Infrared pedestrian stops rain probe and is arranged on three grades of drizzle wall rear 2.0m away from meeting head on.
Described three grades of drizzle walls fall haze system and are made up of stabilized pressure pump and voltage stabilizing pipeline; Voltage stabilizing pipeline be arranged on fan nozzle that arch, tunnel or top board laterally install and arrange and be connected, guarantee haze all changes rain.Described automatic water purifier comprises water-pressure booster pump and filtration purifier, realizes carrying out purification supercharging and voltage stabilizing to the dust-proof static pressure water of existing mine.
Mine dust hierarchical composition dust-removing method of the present invention and device, adopt the method for three grades of depositing dusts, copy the principle of atmospheric falling dust, utilize conventional, arrange ultrasonic dry fog generator to spray micron order air water mist and form secondary haze and transform, settle drizzle generating means to be that fan-shaped spray drizzle realizes three grades and falls haze.System and device forms and comprises: haze system 5 modules falls in hydrostatic and voltage-stabilizing system, electric-control system, one-level sprinkling system, secondary haze conversion system, three grades of drizzle walls.
Mine dust hierarchical composition dust-removing method of the present invention and device, according to the full dirt in dirty wind and exhale dust content, air rate adjustment gas water mist spray amount, have pedestrian and stop rain function.
Mine dust hierarchical composition dust-removing method of the present invention and device, one-level depositing dust produces the more coarse grained gas water fog particle of wide particle diameter, but mainly meets head on to carry out falling to dirt source point comparatively meal at different levels dirt; Secondary depositing dust produces the gas water fog particle of particle diameter about 10 μm, is converted into haze with the fine dust collision and fusion of same level; Three grades of depositing dusts produce the water fog particle of particle diameters about 50 ~ 300 μm, eliminate haze and depositing dust.
Claims (5)
1. a mine dust hierarchical composition device for reducing dust, comprises the automatic water purifier be connected with dust-proof pure water pipe and the gasholder be connected with pressure ventilation pipe; Automatic water purifier is connected with high-pressure water pipe; Gasholder is connected with voltage stabilizing airduct with ftercompction air compressor; The one-level dust falling system that the inside and outside atomization mechanism being arranged on coal-winning machine or development machine is formed, is characterized in that, haze system falls in three grades of drizzle walls of the secondary haze conversion system and drizzle generating means formation that comprise ultrasonic dry fog generator formation;
Described secondary haze conversion system comprises the ultrasonic dry fog generator be connected with voltage stabilizing airduct with high-pressure water pipe, right side solid carbon dioxide mist linear nozzle is arranged, left side solid carbon dioxide mist linear nozzle is arranged; Right side solid carbon dioxide mist linear nozzle row and left side solid carbon dioxide mist linear nozzle row are separately positioned on the left and right sides, tunnel; Ultrasonic dry fog generator is made up of air water equalizing valve group and ultrasonic resonance room; Right side solid carbon dioxide mist linear nozzle row and left side solid carbon dioxide mist linear nozzle row length are 3.0 ~ 5.0m; Described secondary haze conversion system is arranged at one-level dust falling system rear 15 ~ 20m.
2. mine dust hierarchical composition device for reducing dust according to claim 1, is characterized in that: described three grades of drizzle walls fall haze Operation system setting in secondary haze conversion system rear 15.0 ~ 20.0m.
3. mine dust hierarchical composition device for reducing dust according to claim 1, is characterized in that: the drizzle wall length that haze system falls in described three grades of drizzle walls is 3.0 ~ 4.0m.
4. mine dust hierarchical composition device for reducing dust according to claim 1, is characterized in that: the water fog particle diameter that haze system falls in described three grades of drizzle walls is 50 ~ 300 μm.
5. mine dust hierarchical composition device for reducing dust according to claim 1, is characterized in that: be provided with dust concentration probe, wind speed probe and infrared pedestrian in tunnel and stop rain probe; Dust concentration probe, wind speed probe are connected with control and power distribution equipment; Dust concentration probe, wind speed probe are arranged on setting of meeting head on; Infrared pedestrian stops rain probe and is connected with drizzle generating means; Infrared pedestrian stops rain probe and is arranged on three grades of drizzle wall rear 2.0m.
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| CN201410043382.6A CN103758557B (en) | 2014-01-29 | 2014-01-29 | Mine dust hierarchical composition dust-removing method and device |
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| CN103758557B true CN103758557B (en) | 2015-12-09 |
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| CN105331393B (en) * | 2014-08-08 | 2019-10-11 | 边仁杰 | Coal gas Pm2.5 water takes off device |
| CN104696001A (en) * | 2015-03-05 | 2015-06-10 | 辽宁工程技术大学 | Coal mine dust reduction system |
| CN106215587A (en) * | 2016-07-25 | 2016-12-14 | 江苏工力重机有限公司 | Train loading machine environmental-friendly dust suppression device |
| CN107387152B (en) * | 2017-09-12 | 2019-07-30 | 中国矿业大学 | A kind of fully mechanized workface ladder subzone of atomization dust pelletizing system |
| CN108412534B (en) * | 2018-02-28 | 2020-03-10 | 武汉大学 | Coal mine dust removal device based on ultrasonic atomization and condensation |
| CN108915684A (en) * | 2018-07-02 | 2018-11-30 | 山东科技大学 | Dust-separation-dust-removing method and dust-separation-dust falling system for coalcutter cutting dust |
| CN109736802B (en) * | 2019-01-22 | 2024-04-05 | 滨州学院 | Foam-water mist-air curtain three-stage linkage dust fall system and dust fall method |
| CN112577860A (en) * | 2020-12-25 | 2021-03-30 | 中国矿业大学 | Ultrasonic comprehensive dust fall experiment system and method |
| CN114320433B (en) * | 2021-11-25 | 2023-10-03 | 煤炭科学技术研究院有限公司 | Coal mine dust removing method |
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| CN103216257A (en) * | 2013-04-22 | 2013-07-24 | 中国矿业大学(北京) | Method and device for dust falling by magnetized fine water mist in process of mining |
| CN103422881A (en) * | 2013-08-16 | 2013-12-04 | 安徽理工大学 | Intelligent mining atomization dust settling device |
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2014
- 2014-01-29 CN CN201410043382.6A patent/CN103758557B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3805659C2 (en) * | 1988-02-24 | 1992-07-23 | Gebr. Eickhoff Maschinenfabrik U. Eisengiesserei Mbh, 4630 Bochum, De | |
| DE19537448A1 (en) * | 1994-11-03 | 1996-05-15 | Tiefenbach Gmbh | Water nozzle supply installation for mine walling machines |
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