CN204140073U - The two curtain device for reducing dust of a kind of air water for fully-mechanized mining working - Google Patents
The two curtain device for reducing dust of a kind of air water for fully-mechanized mining working Download PDFInfo
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- CN204140073U CN204140073U CN201420465970.4U CN201420465970U CN204140073U CN 204140073 U CN204140073 U CN 204140073U CN 201420465970 U CN201420465970 U CN 201420465970U CN 204140073 U CN204140073 U CN 204140073U
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Abstract
The utility model discloses the two curtain device for reducing dust of a kind of air water for fully-mechanized mining working, hydraulic support comprises support front-axle beam and support girder, each support girder is provided with at least two fumaroles at rear, hinged place, the synchronous jet formation of fumarole on multiple support girder and the perpendicular shielding air curtain of support girder, shielding air curtain, support front-axle beam and rib form control dirt space; Each support front-axle beam is provided with at least one arrangement pore and at least one draining atomizing nozzle, the synchronous jet formation of qi-emitting hole on multiple support front-axle beam and perpendicular several of support front-axle beam intercept air curtain, intercept air curtain and will control dirt compartition for several depositing dust spaces, corresponding hydraulic spray nozzle synchronous spraying forms depositing dust water curtain.To be combined with air curtain dust-separation by atomizing de-dusting and to use at underground coal mine, define at fully-mechanized mining working comparatively close for coal-winning machine, comprehensively synthesis dust prevention space, not only safe ready, make dustfall efficiency reach 99%.
Description
Technical field
The utility model relates to mine underground dustproof device and method, particularly relates to the two curtain device for reducing dust of a kind of air water for fully-mechanized mining working.
Background technology
According to statistics, the colliery of China more than 90% is underground mining, and mine and work plane are just towards to maximization, intensive, safe, reliably and mechanical automation future development.The dust problem produced therefrom is also more and more serious, drastically influence the safety in production of mine and the healthy of workman.Wherein fully-mechanized mining working is the maximum dirt source of down-hole dust-producing amount, and without under the condition of dust prevention, dust total concentration during actual measurement coal mining machine in full-mechanized mining face cut is up to 5000 ~ 6000mg/m
3, reach as high as l0000mg/m
3, cause dust concentration in the product dirt intensity of fully-mechanized mining working and operating environment more and more large, to Safety of Coal Mine Production with operating personnel is healthy constitutes a serious threat.
At present, although each main producing coal country takes the multiple dust control technology measures such as ventilation dust discharge, coal-bed flooding, atomizing de-dusting at fully-mechanized mining working, but the condition of work of most work plane is still quite severe, especially coal-winning machine driver workspace, dust concentration is difficult within the coal mine environment industry standard that controls to specify in China, serious threat and infringement is brought to the healthy of coal-winning machine driver, also negative influence is brought to coal production, even easily cause dust explosion, cause mine accident.Therefore, prior art needs further improvement and develops.
Utility model content
In view of above-mentioned the deficiencies in the prior art, the purpose of this utility model is to provide a kind of air water for fully-mechanized mining working two curtain device for reducing dust, to improve the dustfall efficiency to fully-mechanized mining working.
For solving the problems of the technologies described above, the utility model scheme comprises:
The two curtain device for reducing dust of a kind of air water for fully-mechanized mining working, it comprises multiple hydraulic support, wherein, hydraulic support comprises support front-axle beam and support girder, support front-axle beam is hinged on support girder front end, each support girder is provided with at least two fumaroles at rear, hinged place, the jet direction of fumarole is vertical with support girder downwards, the synchronous jet formation of fumarole on multiple support girder and the perpendicular shielding air curtain of support girder, shielding air curtain, support front-axle beam and rib form control dirt space; Each support front-axle beam is provided with at least one arrangement pore and at least one draining atomizing nozzle, qi-emitting hole, hydraulic spray nozzle are all arranged along the length direction of corresponding support front-axle beam, the synchronous jet formation of qi-emitting hole on multiple support front-axle beam and perpendicular several of support front-axle beam intercept air curtain, each obstruct air curtain is all perpendicular with shielding air curtain, intercept air curtain and will control dirt compartition for several depositing dust spaces, corresponding hydraulic spray nozzle synchronous spraying forms depositing dust water curtain.
The two curtain device for reducing dust of described air water, wherein, above-mentioned control dirt space is furnished with coal-winning machine, and two cylinders of coal-winning machine have been evenly arranged multiple hydraulic spray nozzle.
The two curtain device for reducing dust of described air water, wherein, above-mentioned fumarole is arranged along the width of corresponding support girder, and the fumarole on multiple support girder is located along the same line.
The two curtain device for reducing dust of a kind of air water for fully-mechanized mining working that the utility model provides, first by shielding air curtain, fully-mechanized mining working is shielded in control dirt space, again by intercepting air curtain, depositing dust water curtain forms the two curtain of the air water covering coal-winning machine, to be combined with air curtain dust-separation by atomizing de-dusting and to use at underground coal mine, define for coal-winning machine comparatively closed at fully-mechanized mining working, comprehensive synthesis dust prevention space, not only safe ready, and the high concentrate dust that can effectively reduce in underground coal mine fully-mechanized mining working manufacturing process, dustfall efficiency is made to reach 99%, the space dust content beyond control dirt space is made to reach 10mg/m
3~ 30mg/m
3, increased substantially dustfall efficiency.
Accompanying drawing explanation
Fig. 1 is the main TV structure schematic diagram of the two curtain device for reducing dust of air water in the utility model;
Fig. 2 be in the utility model the two curtain device for reducing dust of air water look up structural representation;
Fig. 3 is the stereoscopic mechanism schematic diagram of the two curtain device for reducing dust of air water in the utility model.
Detailed description of the invention
The utility model provides the two curtain device for reducing dust of a kind of air water for fully-mechanized mining working, for making the purpose of this utility model, technical scheme and effect clearly, clearly, further describes below to the utility model.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
The utility model provides the two curtain device for reducing dust of a kind of air water for fully-mechanized mining working, as shown in Figure 1, Figure 2 with shown in Fig. 3, it comprises multiple hydraulic support 1, wherein, hydraulic support 1 comprises support front-axle beam 2 and support girder 3, and support front-axle beam 2 is hinged on support girder 3 front end, and each support girder 3 is provided with at least two fumaroles 4 at rear, hinged place, the jet direction of fumarole 4 is vertical with support girder 3 downwards, and the jet direction of fumarole 4 is generally towards the bottom of ground or hydraulic support 1.The synchronous jet formation of fumarole 4 on multiple support girder 3 and the perpendicular shielding air curtain of support girder 3, shielding air curtain, support front-axle beam 2 and rib 5 form control dirt space 6, each support front-axle beam 2 is provided with at least one arrangement pore 7 and at least one draining atomizing nozzle 8, qi-emitting hole 7, hydraulic spray nozzle 8 is all arranged along the length direction of corresponding support front-axle beam 2, the synchronous jet formation of qi-emitting hole 7 on multiple support front-axle beam 2 and perpendicular several of support front-axle beam 2 intercept air curtain, each obstruct air curtain is all perpendicular with shielding air curtain, intercept air curtain and control dirt space 6 is divided into several depositing dust spaces, corresponding hydraulic spray nozzle synchronous spraying forms depositing dust water curtain, because fully-mechanized mining working is pre-formed by multiple hydraulic support 1, therefore the qi-emitting hole 7 on corresponding support front-axle beam 2 can be controlled, hydraulic spray nozzle 8 carries out gas distribution, spraying, specifically sensor can be passed through, the technological means such as position-sensing switch determine the operating path of coal-winning machine 9, and then control the qi-emitting hole 7 of corresponding region, hydraulic spray nozzle 8 carries out work successively, and then the two curtain of packaging type air water defined along with coal-winning machine 9 movement, formed comparatively closed, comprehensive synthesis dust prevention space, increase substantially dustfall efficiency.
Further, above-mentioned control dirt space 6 is furnished with coal-winning machine 9, and two cylinders 10 of coal-winning machine 9 have been evenly arranged multiple hydraulic spray nozzle 11, forms the process of a water mist dust fall in advance, further improves dust-laying effect.And above-mentioned fumarole 4 is arranged along the width of corresponding support girder 3, and the fumarole on multiple support girder 3 is located along the same line, thus a closed shielding air curtain can be formed, improve its dust-obstructing efficiency.
The utility model additionally provides the using method of the two curtain device for reducing dust of above-mentioned air water, and it comprises the following steps:
The synchronous jet formation of fumarole 4 of support girder 3 and the perpendicular shielding air curtain of support girder 3, shielding air curtain, support front-axle beam and rib form control dirt space 6; Qi-emitting hole 7 at least three the support front-axle beams 2 closed on mutually with two cylinders 10 of coal-winning machine 9 is opened to be formed and is intercepted air curtain, intercept air curtain and control dirt space 6 is divided into several depositing dust spaces, corresponding hydraulic spray nozzle 8 synchronous spraying forms depositing dust water curtain, depositing dust water curtain and obstruct air curtain form the two curtain of the air water wrapping up whole coal-winning machine, and the two curtain of this air water moves with coal-winning machine 9.And along with the formation of the two curtain of air water, the multiple hydraulic spray nozzles 11 synchronous spraying depositing dust on coal-winning machine 9, carries out depositing dust in advance to the dirt source that coal-winning machine 9 produces, control dirt effect further can be improved.And the utility model can not affect walking between pedestrian's support, thus stop cut to produce the diffusion of dust, work plane is produced dust and staff isolates.
Certainly; more than illustrate and be only preferred embodiment of the present utility model; the utility model is not limited to enumerate above-described embodiment; should be noted that; any those of ordinary skill in the art are under the instruction of this manual; made all equivalently to substitute, obvious variant, within the essential scope all dropping on this manual, protection of the present utility model ought to be subject to.
Claims (3)
1. the two curtain device for reducing dust of the air water for fully-mechanized mining working, it comprises multiple hydraulic support, it is characterized in that, hydraulic support comprises support front-axle beam and support girder, support front-axle beam is hinged on support girder front end, each support girder is provided with at least two fumaroles at rear, hinged place, the jet direction of fumarole is vertical with support girder downwards, the synchronous jet formation of fumarole on multiple support girder and the perpendicular shielding air curtain of support girder, shielding air curtain, support front-axle beam and rib form control dirt space; Each support front-axle beam is provided with at least one arrangement pore and at least one draining atomizing nozzle, qi-emitting hole, hydraulic spray nozzle are all arranged along the length direction of corresponding support front-axle beam, the synchronous jet formation of qi-emitting hole on multiple support front-axle beam and perpendicular several of support front-axle beam intercept air curtain, each obstruct air curtain is all perpendicular with shielding air curtain, intercept air curtain and will control dirt compartition for several depositing dust spaces, corresponding hydraulic spray nozzle synchronous spraying forms depositing dust water curtain.
2. the two curtain device for reducing dust of air water according to claim 1, it is characterized in that, above-mentioned control dirt space is furnished with coal-winning machine, and two cylinders of coal-winning machine have been evenly arranged multiple hydraulic spray nozzle.
3. the two curtain device for reducing dust of air water according to claim 1, it is characterized in that, above-mentioned fumarole is arranged along the width of corresponding support girder, and the fumarole on multiple support girder is located along the same line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420465970.4U CN204140073U (en) | 2014-08-19 | 2014-08-19 | The two curtain device for reducing dust of a kind of air water for fully-mechanized mining working |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420465970.4U CN204140073U (en) | 2014-08-19 | 2014-08-19 | The two curtain device for reducing dust of a kind of air water for fully-mechanized mining working |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204140073U true CN204140073U (en) | 2015-02-04 |
Family
ID=52416766
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420465970.4U Expired - Fee Related CN204140073U (en) | 2014-08-19 | 2014-08-19 | The two curtain device for reducing dust of a kind of air water for fully-mechanized mining working |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204140073U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104196535A (en) * | 2014-08-19 | 2014-12-10 | 山东科技大学 | Air-water double-curtain dust settling device and method for fully-mechanized excavation face |
| CN106948850A (en) * | 2017-04-28 | 2017-07-14 | 重庆工程职业技术学院 | Hydraulic support approximate straight-line locus four-bar mechanism |
| CN108930549A (en) * | 2018-07-02 | 2018-12-04 | 山东科技大学 | A kind of space multistory control dust removal method for moving frame dust for fully-mechanized mining working |
| WO2021227238A1 (en) * | 2020-05-28 | 2021-11-18 | 安徽理工大学 | Gas-liquid spraying and dust suppression system for fully mechanized mining face |
-
2014
- 2014-08-19 CN CN201420465970.4U patent/CN204140073U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104196535A (en) * | 2014-08-19 | 2014-12-10 | 山东科技大学 | Air-water double-curtain dust settling device and method for fully-mechanized excavation face |
| CN106948850A (en) * | 2017-04-28 | 2017-07-14 | 重庆工程职业技术学院 | Hydraulic support approximate straight-line locus four-bar mechanism |
| CN106948850B (en) * | 2017-04-28 | 2018-10-09 | 重庆工程职业技术学院 | Hydraulic support approximate straight-line locus four-bar mechanism |
| CN108930549A (en) * | 2018-07-02 | 2018-12-04 | 山东科技大学 | A kind of space multistory control dust removal method for moving frame dust for fully-mechanized mining working |
| AU2018431165B2 (en) * | 2018-07-02 | 2022-03-17 | Shandong University Of Science And Technology | Three-dimensional space dust control and removal method used for dust produced during bracket motion of fully mechanized mining face |
| WO2021227238A1 (en) * | 2020-05-28 | 2021-11-18 | 安徽理工大学 | Gas-liquid spraying and dust suppression system for fully mechanized mining face |
| US11873719B2 (en) | 2020-05-28 | 2024-01-16 | Anhui University of Science and Technology | Gas-liquid spray dust settlement system for fully mechanized mining face |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150204 Termination date: 20160819 |