CN103758557A - Mine dust grading combined dust fall method and device - Google Patents
Mine dust grading combined dust fall method and device Download PDFInfo
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- CN103758557A CN103758557A CN201410043382.6A CN201410043382A CN103758557A CN 103758557 A CN103758557 A CN 103758557A CN 201410043382 A CN201410043382 A CN 201410043382A CN 103758557 A CN103758557 A CN 103758557A
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- dust
- drizzle
- haze
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Abstract
The invention discloses a mine dust grading combined dust fall device. A primary dust fall system is formed by an inner spraying device and an outer spraying device which are arranged in a coal cutter or a heading machine. The mine dust grading combined dust fall device comprises a secondary haze transform system formed by an ultrasonic wave dry haze generator and a tertiary drizzle wall haze fall system formed by a drizzle generating device. By means of the mine dust grading combined dust fall method and device, conventional instantaneous point dust fall is changed into segmental process dust fall, mine dust different size fraction can be inhibited and reduced by forming water mist particles or gas water mist particles different in particle diameter, and particle diameter grading, segmental inhibition and reduction and process transformation of mine dust in wind current of mining ports are achieved. The mine dust grading combined dust fall device can move along with pushing of the mining points and has functions of automatic control and rain stopping when people go out, dust fall efficiency is high, and dust inhibition, dust fall, explosion protection, fire protection, temperature reduction and drag reduction of return current are achieved by humidifying dirty wind. Compared with the conventional dust fall method, dust fall effect is obvious.
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 is to purify air, ensure workman's occupational health, improve conditions for equipment use, reduce key technology and the important procedure of windage, conventional dust-removing method and device comprises dry type depositing dust and wet type dust falling system at present, take ventilation dust discharge and wet type depositing dust as main, being arranged in work plane meets head near dirt source point, the requirement advancing for meeting Rapid excavation, water-spraying amount is large, the depositing dust time is short, the master operation of producing is had to interference, to subduing, below 10 μ m, exhale dirt particle poor effect especially, often cause and dirty exhale dust content to exceed standard in 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 mine dust hierarchical composition dust-removing method and device that a kind of depositing dust efficiency is high.
The technical solution used in the present invention is:
A mine dust hierarchical composition device for reducing dust, comprises the automatic water purifier being connected with dustproof pure water pipe and the gasholder being 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; Be arranged on the one-level dust falling system of the inside and outside atomization mechanism formation of coal-winning machine or development machine, comprise that haze system falls in the secondary haze conversion system of ultrasonic dry fog generator formation and three grades of drizzle walls that drizzle generating means forms.
Described secondary haze conversion system comprises the ultrasonic dry fog generator being connected with voltage stabilizing airduct with high-pressure water pipe, ultrasonic dry fog generator and the solid carbon dioxide mist linear nozzle row of right side and the solid carbon dioxide mist linear nozzle row of left side; The solid carbon dioxide mist linear nozzle row of right side and the solid carbon dioxide mist linear nozzle row of left side are separately positioned on the left and right sides, tunnel; Ultrasonic dry fog generator consists of air water equalizing valve group and ultrasonic resonance chamber; The solid carbon dioxide mist linear nozzle row of right side and left side solid carbon dioxide mist linear nozzle row length are 3.0～5.0 m; Described secondary haze conversion system is arranged at one-level dust falling system rear 15～20m; .
Described three grades of drizzle walls fall haze system and are arranged at 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 μ m.
In tunnel, be provided with dust concentration probe, wind speed probe and infrared pedestrian 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 the 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 consist of stabilized pressure pump and voltage stabilizing pipeline; Voltage stabilizing pipeline is connected with the fan nozzle row who is arranged on the horizontal installation of arch, tunnel or top board.
Described automatic water purifier comprises hydraulic pressure booster pump and filtration purifier.
The beneficial effect of the relative prior art 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 respectively each grade mine dust, but realize, minute particle diameter, the segmentation of the distinguished and admirable middle mine dust of digging point are fallen with process and transformed.Mine dust hierarchical composition dust-removing method of the present invention and device can advance and move with digging point, possess automatic control and pedestrian and stop rain function, depositing dust efficiency is high, by to dirty wind humidification, realized the dust suppression, depositing dust of return, explosion-proof, fire prevention, cooling, drag reduction, outstanding than conventional depositing dust method dust-laying effect.
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, dustproof 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, the solid carbon dioxide mist linear nozzle row of left side
13, unit aqueous vapor equalizing feature 14, unit internal spraying head
15, unit external spraying head 16, electricity supply and control circuit
17, 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.
The specific embodiment
Referring to drawings and Examples, the present invention will be described in detail:
Accompanying drawing 1 is known, and a kind of mine dust hierarchical composition device for reducing dust comprises the automatic water purifier 3 being connected with dustproof pure water pipe 1 and the gasholder 5 being 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; Be arranged on the one-level dust falling system of the inside and outside atomization mechanism formation of coal-winning machine or development machine, comprise that haze system falls in the secondary haze conversion system of ultrasonic dry fog generator 8 formations and three grades of drizzle walls that drizzle generating means 8 forms.
Described secondary haze conversion system comprises the ultrasonic dry fog generator 8 being connected with voltage stabilizing airduct 7 with high-pressure water pipe 6, ultrasonic dry fog generator 8 and the solid carbon dioxide mist linear nozzle row of right side 11 and the solid carbon dioxide mist linear nozzle row of left side 12; The solid carbon dioxide mist linear nozzle row of right side 11 and the solid carbon dioxide mist linear nozzle row of left side 12 are separately positioned on the left and right sides, tunnel; Ultrasonic dry fog generator 8 consists of air water equalizing valve group and ultrasonic resonance chamber; It is 3.0～5.0 m that the solid carbon dioxide mist linear nozzle row 11 of right side and left side solid carbon dioxide mist linear nozzle are arranged 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 10 μ m left and right diameters of coupling fine dust, the dust of 10 μ m left and right diameters during dirt is distinguished and admirable is converted into haze, and becoming haze segment length is 15～20m.
Described three grades of drizzle walls fall haze system and are arranged at 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 μ m.
In tunnel, be provided with dust concentration probe, wind speed probe and infrared pedestrian 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 the 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 consist of stabilized pressure pump and voltage stabilizing pipeline; Voltage stabilizing pipeline is connected with the fan nozzle row who is arranged on the horizontal installation of arch, tunnel or top board, and guarantee haze is all changed rain.Described automatic water purifier comprises hydraulic pressure booster pump and filtration purifier, realizes the dustproof static pressure water of existing mine is purified to supercharging and voltage stabilizing.
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, ultrasonic dry fog generator is set and sprays micron order air water mist and form secondary haze and transform, settle drizzle generating means to be fan-shaped spray drizzle and realize three grades and fall haze.System and device formation 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 compared with meal dirt to dirt source point is at different levels; Secondary depositing dust produces the gas water fog particle of particle diameter 10 μ m left and right, 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 diameter 50～300 μ m left and right, eliminate haze and depositing dust.
Claims (6)
1. a mine dust hierarchical composition device for reducing dust, comprises the automatic water purifier being connected with dustproof pure water pipe and the gasholder being 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 is arranged on the inside and outside atomization mechanism formation of coal-winning machine or development machine, is characterized in that, comprises that haze system falls in the secondary haze conversion system of ultrasonic dry fog generator formation and three grades of drizzle walls that drizzle generating means forms.
2. mine dust hierarchical composition device for reducing dust according to claim 1, is characterized in that: described secondary haze conversion system comprises the ultrasonic dry fog generator being connected with voltage stabilizing airduct with high-pressure water pipe, the solid carbon dioxide mist linear nozzle row of right side, the solid carbon dioxide mist linear nozzle row of left side; The solid carbon dioxide mist linear nozzle row of right side and the solid carbon dioxide mist linear nozzle row of left side are separately positioned on the left and right sides, tunnel; Ultrasonic dry fog generator consists of air water equalizing valve group and ultrasonic resonance chamber; The solid carbon dioxide mist linear nozzle row of right side and left side solid carbon dioxide mist linear nozzle row length are 3.0～5.0 m; Described secondary haze conversion system is arranged at one-level dust falling system rear 15～20m.
3. mine dust hierarchical composition device for reducing dust according to claim 1, is characterized in that: described three grades of drizzle walls fall haze system and are arranged at secondary haze conversion system rear 15.0～20.0m.
4. 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.
5. 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 μ m.
6. mine dust hierarchical composition device for reducing dust according to claim 1, is characterized in that: in tunnel, be provided with dust concentration probe, wind speed probe and infrared pedestrian 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 the 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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| CN201410043382.6A CN103758557B (en) | 2014-01-29 | 2014-01-29 | Mine dust hierarchical composition dust-removing method and device |
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| CN103758557A true CN103758557A (en) | 2014-04-30 |
| CN103758557B CN103758557B (en) | 2015-12-09 |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104696001A (en) * | 2015-03-05 | 2015-06-10 | 辽宁工程技术大学 | Coal mine dust reduction system |
| CN105331393A (en) * | 2014-08-08 | 2016-02-17 | 边仁杰 | Dehydrator capable of removing PM2.5 in coal gas |
| 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 |
| CN107387152A (en) * | 2017-09-12 | 2017-11-24 | 中国矿业大学 | A kind of fully mechanized workface ladder subzone of atomization dust pelletizing system |
| CN108412534A (en) * | 2018-02-28 | 2018-08-17 | 武汉大学 | A kind of coal mine dedusting device based on ultrasonic atomization, cohesion |
| CN109736802A (en) * | 2019-01-22 | 2019-05-10 | 滨州学院 | A kind of foam-water mist-air curtain three-level linkage dust falling system and dust-removing method |
| WO2020006815A1 (en) * | 2018-07-02 | 2020-01-09 | 山东科技大学 | Dust isolation and dust settling method and dust isolation and dust settling system for dust production due to cutting of coal mining machine |
| CN112577860A (en) * | 2020-12-25 | 2021-03-30 | 中国矿业大学 | Ultrasonic comprehensive dust fall experiment system and method |
| CN114320433A (en) * | 2021-11-25 | 2022-04-12 | 煤炭科学技术研究院有限公司 | Coal mine dust removal method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105331393A (en) * | 2014-08-08 | 2016-02-17 | 边仁杰 | Dehydrator capable of removing PM2.5 in coal gas |
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| 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 |
| CN107387152A (en) * | 2017-09-12 | 2017-11-24 | 中国矿业大学 | A kind of fully mechanized workface ladder subzone of atomization dust pelletizing system |
| CN108412534A (en) * | 2018-02-28 | 2018-08-17 | 武汉大学 | A kind of coal mine dedusting device based on ultrasonic atomization, cohesion |
| CN108412534B (en) * | 2018-02-28 | 2020-03-10 | 武汉大学 | Coal mine dust removal device based on ultrasonic atomization and condensation |
| WO2020006815A1 (en) * | 2018-07-02 | 2020-01-09 | 山东科技大学 | Dust isolation and dust settling method and dust isolation and dust settling system for dust production due to cutting of coal mining machine |
| CN109736802A (en) * | 2019-01-22 | 2019-05-10 | 滨州学院 | A kind of foam-water mist-air curtain three-level linkage dust falling system and dust-removing method |
| 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 |
| CN114320433A (en) * | 2021-11-25 | 2022-04-12 | 煤炭科学技术研究院有限公司 | Coal mine dust removal 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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Granted publication date: 20151209 Termination date: 20210129 |