CN202348316U - Air screen and water mist linkage system for preventing fully mechanized excavation face dusts - Google Patents
Air screen and water mist linkage system for preventing fully mechanized excavation face dusts Download PDFInfo
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- CN202348316U CN202348316U CN2011203566785U CN201120356678U CN202348316U CN 202348316 U CN202348316 U CN 202348316U CN 2011203566785 U CN2011203566785 U CN 2011203566785U CN 201120356678 U CN201120356678 U CN 201120356678U CN 202348316 U CN202348316 U CN 202348316U
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Abstract
An air screen and a water mist linkage system for preventing fully mechanized excavation face dusts comprises an water inlet pipe, a pipeline filter, a main air inlet pipe, a linkage valve, branch air inlet pipes, an adjusting valve, a pressure gauge, an air screen generator, a water mist producer and a water mist carrier pipe, wherein the pipeline filter is arranged on the initial segment of the water inlet pipe, the linkage valve is arranged between the water inlet pipe and the main air inlet pipe so as to control the on and off of water and air, the main air inlet pipe is divided into two branch air inlet pipes through a tee, the air screen producer is connected with one branch air inlet pipe, water mist generator is connected with the water inlet pipe and the other branch air inlet pipe, the adjusting valve and the pressure gauge are sequentially arranged on the branch air inlet pipes and the water inlet pipe so as to adjust working pressure of water and air, the linkage valve and adjusting valve are opened to form the air screen, and then a dust isolating area is produced, simultaneously the water mist can be infused to the dust isolating area, thereby fully mechanized excavation face dusts can be effectively prevented. The system is convenient to operate, has no electrical element and can move flexibly, besides, the system is safe, reliable and has a wide practical application.
Description
Technical field
The utility model relates to a kind of air curtain and water mist system that is used to prevent and treat dust, especially a kind of air curtain and thin spray linked system that prevents and treats fully mechanized workface dust under the coal mine.
Background technology
In order to prevent and treat the fully mechanized workface dust harzard, generally adopt devices such as external spraying, coal-bed flooding, dedusting fan in the development machine at present, but because these limitation of installing self cause anti-dust-laying effect also undesirable.As, coal-bed flooding system and complex process, water consumption is big, needs a large amount of water injecting drillings of construction, and engineering quantity is big, and cost is higher; The nozzle of interior external spraying very easily stops up, and depositing dust efficient is lower, and the utilization rate of depositing dust water is low; The dedusting fan effective absorption distance is shorter, and dust-absorbing rate is lower, and too heavy moves very inconvenience, and has electrical safety hidden danger.In addition; Also have air curtain and dedusting fan to unite the device for reducing dust of use at present; This dry dust removal device is except that the defective that the above dedusting fan itself is arranged; Dust in the closed area, gas density are higher relatively, bring out serious accidents such as coal dust, gas explosion easily in case cutting produces spark during coal petrography.
Thin water smoke is as a kind of good depositing dust medium; Have that mist body particle diameter is little, settling rate is slow, the incomparable unique advantage of common water smoke such as disperse fast; Fine water mist dust removal and air curtain dust-separation are linked (promptly when utilizing air curtain to form sealing dust-separation space, in the enclosed area, injecting the thin water smoke of ultra micro particle diameter) be the new method that pick flour dirt is combined in a kind of control that has application prospect; But the change system that does not also match with it both at home and abroad at present is unfavorable for the development and the application of this new technology.
Summary of the invention
Technical problem: the purpose of the utility model is the deficiency to prior art, and a kind of air curtain and thin spray linked system of simple in structure, easy and simple to handle, control fully mechanized workface dust that depositing dust efficient is high is provided.
Technical scheme: the air curtain of the control fully mechanized workface dust of the utility model and thin spray linked system, it is made up of water inlet pipe, piping filter, main air inlet pipe, interstage valve, an air inlet pipe, control valve, pressure meter, air curtain generator, fine water fog generator and thin water smoke carrier pipe.Wherein, the water inlet pipe initial segment is provided with piping filter, and water inlet pipe and main air inlet pipe are unified gauge tap through interstage valve; Water inlet pipe is connected with fine water fog generator; Main air inlet pipe is divided into two-way and props up air inlet pipe, and one the tunnel is connected with the air curtain generator, and another road links to each other with fine water fog generator; Be equipped with control valve and pressure meter on water inlet pipe, an air inlet pipe one and the air inlet pipe two, an air inlet pipe one that links to each other with the air curtain generator is provided with the four-way that gets into body from air inlet port.
Described air curtain generator comprises through fixed mount and is located at the body of tunnel top helping and coupled inlet plenum, and the side of body is provided with air inlet port, body downwards one side be furnished with some vertically to fumarole, the below of inlet plenum is provided with jet seam; The four-way that a described air inlet pipe that links to each other with the air curtain generator is provided with; Fumarole aperture on the said air curtain generator is that 6mm ~ 8mm, pitch-row are 20mm ~ 25mm, and the seam of jet seam is wide to be 3mm ~ 5mm; The entrance of said main air inlet pipe and water inlet pipe is provided with snap joint.
Beneficial effect: the air curtain of the control fully mechanized workface dust of the utility model and thin spray linked system, when being applicable to fully-mechanized digging machine cutting and crushing coal and rock under the coal mine to the improvement of high concentrate dust, to improve the utilization rate of depositing dust efficient and depositing dust water.Through using interstage valve that water, gas are supplied to fine water fog generator and air curtain generator in the system simultaneously; Utilizing the formation of air curtain generator can prevent the moment of the fine and close air curtain that the dust diffusion spreads; Start fine water fog generator big flow in the sealing dust-separation space that air curtain is constructed and inject the thin water smoke of ultra micro particle diameter; Quick disperse through thin water smoke and with dust granules long-time, the large tracts of land collision is moistening, improves the utilization rate of depositing dust efficient and water.Whole system makes full use of press water and the compressed air that the down-hole is prone to obtain most, and simple in structure, volume is little, and is in light weight, does not have electric original paper, and energy consumption is low, and is convenient to operation, moves flexible for installation; Safe and reliable to operation, have practicality widely.
Description of drawings
Fig. 1 is the overall structure sketch map of the utility model.
Fig. 2 is the utility model air curtain generator installation site structural representation.
Fig. 3 is the A-A sectional view of Fig. 2.
Among the figure: the 1-water inlet pipe; The 2-piping filter; 3-master's air inlet pipe; The 4-interstage valve; 5-props up air inlet pipe one, and 6-props up air inlet pipe two; The 7-control valve; The 8-pressure meter; 9-air curtain generator; The 10-fine water fog generator; The thin water smoke carrier pipe of 11-; The 12-body; The 13-air inlet port; The 14-fumarole; The 15-inlet plenum; The jet seam of 16-; The 17-fixed mount.
The specific embodiment
An embodiment to the utility model further describes below in conjunction with accompanying drawing:
Shown in accompanying drawing; The air curtain of the control fully mechanized workface dust of the utility model and thin spray linked system are made up of water inlet pipe 1, piping filter 2, main air inlet pipe 3, interstage valve 4, an air inlet pipe 1, an air inlet pipe 26, control valve 7, pressure meter 8, air curtain generator 9, fine water fog generator 10 and thin water smoke carrier pipe 11.The entrance of water inlet pipe 1 and main air inlet pipe 3 is provided with snap joint; So that be connected fast with the setting-out pipeline with the work plane air line, water inlet pipe 1 initial segment is provided with piping filter 2, is used to remove water pollutant; Purify water, with the operate as normal of each component of protection system; Water inlet pipe 1 is realized opening simultaneously and closing through interstage valve 4 with main air inlet pipe 3; To satisfy the system interlink requirements of one's work; Main air inlet pipe 3 is divided into an air inlet pipe 1 and an air inlet pipe 26 through threeway; Prop up air inlet pipe 1 and be connected with air curtain generator 9, an air inlet pipe 26 links to each other with fine water fog generator 10 with water inlet pipe 1 in the lump; Control valve 7 is set in turn on water inlet pipe 1, an air inlet pipe 1 and the air inlet pipe 26, with the operating pressure according to water, gas in the actual conditions regulating system with pressure meter 8; Air curtain generator 9 is fixed in digging laneway top group through fixed mount 17; Its slit with top group adopts air bag airtight, and an air inlet pipe 1 that links to each other with air curtain generator 9 is provided with four-way, and the compressed air in the air inlet pipe 1 is divided into 3 the tunnel in air inlet port 13 input bodys 12; Compressed air is that the fumarole 14 of 8mm sprays into inlet plenum 15 through several diameters; Seam is wide for the jet seam 16 of 5mm ejects to lower edge whole tunnel section through inlet plenum 15 belows again, is formed for sealing the air curtain of isolating dust, meanwhile; After air inlet pipe 26 gets into fine water fog generator 10 with gas, water in the water inlet pipe 1; Prepare the thin water smoke of ultra micro particle diameter, inject fast to sealing dust-separation space, finally realize efficient depositing dust through thin water smoke carrier pipe 11.
Its course of work: water inlet pipe 1 is connected with work plane setting-out, air line through snap joint with main air inlet pipe 3; Open interstage valve 4; Simultaneously with press water and compressed air drawing-in system; Utilize control valve 7 that the pressure of water, gas in the pipeline is transferred to proper range; Compressed air gets into main air inlet pipe 3 and is divided into two-way after threeway is divided into an air inlet pipe 1 with bronchus 6; Air in the bronchus 5 is regulated the back through control valve 7 and is got into air curtain generator 9, the air in the bronchus 6 with filter through piping filter 2 after press water after control valve 7 is regulated, get into fine water fog generator 10 simultaneously respectively, when compressed air during from jet seam 16 ejection formation air curtains; The thin water smoke that fine water fog generator 10 is prepared injects rapidly to the big flow in sealing dust-separation space that air curtain has been constructed through thin water smoke carrier pipe 11, realizes the efficient improvement to the fully mechanized workface dust.
Claims (4)
1. an air curtain and thin spray linked system that prevents and treats the fully mechanized workface dust; It is characterized in that: it mainly is made up of water inlet pipe (1), piping filter (2), main air inlet pipe (3), interstage valve (4), an air inlet pipe one (5), an air inlet pipe two (5), control valve (7), pressure meter (8), air curtain generator (9), fine water fog generator (10) and thin water smoke carrier pipe (11); Wherein: the entrance of water inlet pipe (1) and main air inlet pipe (3) is provided with snap joint; The initial segment of water inlet pipe (1) is provided with piping filter (2); Be provided with the interstage valve (4) of unified gauge tap between water inlet pipe (1) and the main air inlet pipe (3); Water inlet pipe (1) is connected with fine water fog generator (10); Main air inlet pipe (3) is divided into an air inlet pipe one (5) and an air inlet pipe two (5) through threeway; Propping up air inlet pipe one (5) is connected with air curtain generator (9); Prop up air inlet pipe two (5) and link to each other with fine water fog generator (10), be equipped with control valve (7) and pressure meter (8) on water inlet pipe (1), an air inlet pipe one (5) and the air inlet pipe two (5), an air inlet pipe one (5) that links to each other with air curtain generator (9) is provided with the four-way that gets into body (12) from air inlet port (13).
2. the air curtain of control fully mechanized workface dust according to claim 1 and thin spray linked system; It is characterized in that: described air curtain generator (9) comprises through fixed mount (17) and is located at the body (12) of tunnel top helping and coupled inlet plenum (15); The side of body (12) is provided with air inlet port (13); Body (12) one side downwards is furnished with some fumaroles (14) vertically downward, and the below of inlet plenum (15) is provided with jet seam (16).
3. the air curtain of control fully mechanized workface dust according to claim 1 and 2 and thin spray linked system is characterized in that: the aperture of described fumarole (14) is 6 ~ 8mm, and pitch-row is 20 ~ 25mm.
4. the air curtain of control fully mechanized workface dust according to claim 1 and 2 and thin spray linked system is characterized in that: the wide 3 ~ 5mm of being of the seam of described jet seam (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203566785U CN202348316U (en) | 2011-09-22 | 2011-09-22 | Air screen and water mist linkage system for preventing fully mechanized excavation face dusts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203566785U CN202348316U (en) | 2011-09-22 | 2011-09-22 | Air screen and water mist linkage system for preventing fully mechanized excavation face dusts |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202348316U true CN202348316U (en) | 2012-07-25 |
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ID=46537325
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203566785U Expired - Fee Related CN202348316U (en) | 2011-09-22 | 2011-09-22 | Air screen and water mist linkage system for preventing fully mechanized excavation face dusts |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202348316U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102373942A (en) * | 2011-09-22 | 2012-03-14 | 中国矿业大学 | Air curtain and water mist linked system for preventing and controlling dust on comprehensive excavation surfaces |
| CN112832842A (en) * | 2019-11-25 | 2021-05-25 | 中国矿业大学 | Method for comprehensively preventing spontaneous combustion and rock burst of coal on working face of mine island |
-
2011
- 2011-09-22 CN CN2011203566785U patent/CN202348316U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102373942A (en) * | 2011-09-22 | 2012-03-14 | 中国矿业大学 | Air curtain and water mist linked system for preventing and controlling dust on comprehensive excavation surfaces |
| CN102373942B (en) * | 2011-09-22 | 2014-08-20 | 中国矿业大学 | Air curtain and water mist linked system for preventing and controlling dust on comprehensive excavation surfaces |
| CN112832842A (en) * | 2019-11-25 | 2021-05-25 | 中国矿业大学 | Method for comprehensively preventing spontaneous combustion and rock burst of coal on working face of mine island |
| CN112832842B (en) * | 2019-11-25 | 2021-12-21 | 中国矿业大学 | Method for comprehensively preventing spontaneous combustion and rock burst of coal on working face of mine island |
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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 |
Granted publication date: 20120725 Termination date: 20150922 |
|
| EXPY | Termination of patent right or utility model |