CN203488175U - Dust isolating device for rotary wind curtain of coal mining machine on fully mechanized coal mining face - Google Patents
Dust isolating device for rotary wind curtain of coal mining machine on fully mechanized coal mining face Download PDFInfo
- Publication number
- CN203488175U CN203488175U CN201320578840.7U CN201320578840U CN203488175U CN 203488175 U CN203488175 U CN 203488175U CN 201320578840 U CN201320578840 U CN 201320578840U CN 203488175 U CN203488175 U CN 203488175U
- Authority
- CN
- China
- Prior art keywords
- air
- air curtain
- dust
- coal mining
- curtain
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Combined Means For Separation Of Solids (AREA)
Abstract
The utility model discloses a dust isolating device for a rotary wind curtain of a coal mining machine on a fully mechanized coal mining face. The dust isolating device comprises a compression pump, an air supply pipe, a flow control valve, an air inlet and an air curtain, wherein the air curtain comprises an air curtain main body section, a vertical rod, a horizontal rod, a reel and a drooping curtain, compressed air provided by the compression pump enters the air curtain main body section through the air supply pipe and the air inlet, and air current forms a rotary wind curtain under the attaching actions of the drooping curtain, a top plate on the working surface, a coal wall, a bottom plate and the machine body of the coal mining machine after being ejected out of a nozzle of the air curtain, so that dust generated by the coal mining machine is enabled to be effectively controlled at the coal wall side, and to be taken away by wind current on the working surface. The dust isolating device is simple in structure and convenient to mount and has the better dust control and dust isolation effects.
Description
Technical field
The utility model belongs to coal-cutting machinery field, particularly a kind of coal mining machine in full-mechanized mining face rotary wind screen dust-separation device.
Background technology
The strategy of sustainable development is had higher requirement to coal mine working environment and production safety.At present, along with improving constantly of coal mine machinery degree, the extensive employing of high-power coal cutter, the dust-producing amount of fully-mechanized mining working increases severely, and operating environment worsens, and the dust concentration that especially coal-winning machine driver locates is severe overweight usually.
At present, fully-mechanized mining working adopts the multiple dust control technology measures such as ventilation dust discharge, coal-bed flooding, atomizing de-dusting conventionally, the condition of work of most work planes is still quite severe, and coal-winning machine driver workspace especially, within dust concentration is difficult to be controlled at the coal mine environment industry standard of China's regulation.On the basis of above dust control technology, an air curtain is installed on coal-winning machine fuselage, utilize air curtain to stop dust in work plane coal cutting process to locate diffusion to coal-winning machine driver, reach reduction coal-winning machine driver and locate dust concentration object.Although this technology can be got certain dust-obstructing efficiency, but find in practice, the effect of entrainmenting due to air curtain jet, a part of dust of rib side (contaminated area) is entrainmented in air curtain air-flow, when air curtain jet reaches face roof and impacts after top board, part dust-contained airflow is diverted to air curtain driver's side (clear area), thereby has affected the dust-obstructing efficiency of air curtain.
Summary of the invention
In order to solve above-mentioned technical problem of the prior art, the utility model provides a kind of simple in structure, easy for installation, control dirt and the good coal mining machine in full-mechanized mining face rotary wind screen dust-separation device of dust-obstructing efficiency.
In order to solve the problems of the technologies described above, the utility model adopts following technical proposals: a kind of coal mining machine in full-mechanized mining face rotary wind screen dust-separation device, by compression pump, air supply pipe, flow control valve, air inlet port and air curtain form, compression pump is connected with air supply pipe, on air supply pipe, be provided with flow control valve, compression pump passes through the air inlet port of air supply pipe end to air curtain input compressed-air, described air curtain comprises air curtain main paragraph, vertical rod, cross bar and holding court from behind a screen, air curtain main paragraph is positioned at coal-winning machine fuselage by driver's side, air curtain main paragraph has a plurality of spouts, air curtain main paragraph is supported and is held court from behind a screen by vertical rod and cross bar.
Above-mentioned coal mining machine in full-mechanized mining face rotary wind screen dust-separation device, described holds court from behind a screen with spool, and spool is connected with cross bar.
Above-mentioned coal mining machine in full-mechanized mining face rotary wind screen dust-separation device, described vertical rod is telescopic pole, and telescopic pole one end connects air curtain main paragraph, and the other end connects cross bar.
Above-mentioned coal mining machine in full-mechanized mining face rotary wind screen dust-separation device, described cross bar is Telescopic cross rod.Owing to adopting technique scheme, the invention has the beneficial effects as follows:
(1) air-flow forms air curtain one after air curtain spout penetrates, air curtain is before arriving top board, along holding court from behind a screen formation wall attachment jet, this strand of wall attachment jet produces impact after arriving top board, owing to holding court from behind a screen, limited the direction of motion of air-flow, after impacting, air-flow can only, along top board to rib lateral movement, avoid dust-contained airflow to enter driver workspace;
(2) from the air-flow of air curtain ejection holding court from behind a screen, the attaching effect of face roof, base plate, rib and these walls of coal-winning machine fuselage, form a rotary wind screen, and the entrainmenting effect and can make the control dirt ability of air curtain be enhanced of rotary wind screen, thereby make dust more effectively be controlled in rib side, and taken away by work plane is distinguished and admirable, further improved the efficiency of isolation dust of air curtain.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the mounting means schematic diagram of air curtain main paragraph of the present utility model on coal-winning machine.
Fig. 3 is that the utility model is at the arrangement schematic diagram of fully-mechanized mining working.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail:
As shown in Figure 1, Figure 2 and Figure 3, a kind of coal mining machine in full-mechanized mining face rotary wind screen dust-separation device, by compression pump 1, air supply pipe 2, flow control valve 3, air inlet port 4, air curtain main paragraph 5, telescopic pole 6, cross bar 7, spool 8 and hold court from behind a screen and 9 form.Described air curtain main paragraph 5 is installed on coal-winning machine fuselage 10 by driver's side, and its length approximates the length of coal-winning machine fuselage 10, in actual installation process, can suitably lengthen air curtain, makes it extend to coal mining machine roller 11 centres.Described flow control valve 3 is installed on coal mining driver place, for regulating air curtain flow.The height of described telescopic pole 6 can be adjusted according to coal-face actual height, the spool 8 that makes to hold court from behind a screen is close to face roof 13, the length of cross bar 7 and 9 the hanging of holding court from behind a screen highly also can be adjusted according to on-site actual situations, to realize optimum combination, thereby improve this device control dirt and efficiency of isolation dust.
Operating principle of the present utility model is: the compressed air that under coal mine, compressor station or compression pump 1 provide enters air curtain main paragraph 5 by air supply pipe 3 and air inlet port 4, air-flow forms air curtain one after air curtain spout penetrates, air curtain is before arriving top board, along holding court from behind a screen 9 formation wall attachment jets, this strand of wall attachment jet arrives the rear generation of top board 13 and impacts, due to 9 directions of motion that limited air-flow of holding court from behind a screen, after impacting, air-flow can only, along top board to rib lateral movement, avoid dust-contained airflow to enter driver workspace.Simultaneously from the air-flow of air curtain ejection holding court from behind a screen 9, the attaching effect of face roof 13, base plate 14, rib 12 and coal-winning machine fuselage 10 these walls, form a rotary wind screen.Because rotary wind screen has the effect of entrainmenting, the control dirt ability of air curtain has obtained enhancing, makes the dust of air curtain rib side more effectively be controlled in rib side, and is taken away by work plane is distinguished and admirable, thereby the efficiency of isolation dust of air curtain is further enhanced.
Above-described is only preferred embodiment of the present utility model; should be understood that; for a person skilled in the art; do not departing under the prerequisite of the utility model structure; can also make some distortion and improvement; these also should be considered as protection domain of the present utility model, and these can not affect effect and practical applicability that the utility model is implemented.
Claims (4)
1. a coal mining machine in full-mechanized mining face rotary wind screen dust-separation device, by compression pump, air supply pipe, flow control valve, air inlet port and air curtain, formed, compression pump is connected with air supply pipe, on air supply pipe, be provided with flow control valve, compression pump passes through the air inlet port of air supply pipe end to air curtain input compressed-air, it is characterized in that: described air curtain comprises air curtain main paragraph, vertical rod, cross bar and holds court from behind a screen, air curtain main paragraph is positioned at coal-winning machine fuselage by driver's side, air curtain main paragraph has a plurality of spouts, and air curtain main paragraph is supported and held court from behind a screen by vertical rod and cross bar.
2. coal mining machine in full-mechanized mining face rotary wind screen dust-separation device according to claim 1, is characterized in that: described holds court from behind a screen with spool, and spool is connected with cross bar.
3. coal mining machine in full-mechanized mining face rotary wind screen dust-separation device according to claim 1, is characterized in that: described vertical rod is telescopic pole, and telescopic pole one end connects air curtain main paragraph, and the other end connects cross bar.
4. coal mining machine in full-mechanized mining face rotary wind screen dust-separation device according to claim 1, is characterized in that: described cross bar is Telescopic cross rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320578840.7U CN203488175U (en) | 2013-09-18 | 2013-09-18 | Dust isolating device for rotary wind curtain of coal mining machine on fully mechanized coal mining face |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320578840.7U CN203488175U (en) | 2013-09-18 | 2013-09-18 | Dust isolating device for rotary wind curtain of coal mining machine on fully mechanized coal mining face |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203488175U true CN203488175U (en) | 2014-03-19 |
Family
ID=50259014
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320578840.7U Expired - Fee Related CN203488175U (en) | 2013-09-18 | 2013-09-18 | Dust isolating device for rotary wind curtain of coal mining machine on fully mechanized coal mining face |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203488175U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106382129A (en) * | 2016-12-07 | 2017-02-08 | 辽宁工程技术大学 | Thermal-insulating, dust-insulating and cooling system and method for fully-mechanized coal mining surface of coal mine |
| CN109084828A (en) * | 2018-05-25 | 2018-12-25 | 山东科技大学 | Coal working face law of drop temperature pilot system and test method |
| CN110306981A (en) * | 2018-09-21 | 2019-10-08 | 中煤科工集团重庆研究院有限公司 | Coal cutter dust airflow control method capable of expanding injection range |
-
2013
- 2013-09-18 CN CN201320578840.7U patent/CN203488175U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106382129A (en) * | 2016-12-07 | 2017-02-08 | 辽宁工程技术大学 | Thermal-insulating, dust-insulating and cooling system and method for fully-mechanized coal mining surface of coal mine |
| CN109084828A (en) * | 2018-05-25 | 2018-12-25 | 山东科技大学 | Coal working face law of drop temperature pilot system and test method |
| CN109084828B (en) * | 2018-05-25 | 2020-11-10 | 山东科技大学 | Coal face cooling rule test system and test method |
| CN110306981A (en) * | 2018-09-21 | 2019-10-08 | 中煤科工集团重庆研究院有限公司 | Coal cutter dust airflow control method capable of expanding injection range |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203584430U (en) | Novel coal mining machine control dust falling device | |
| CN104564068A (en) | Comprehensive dust preventing and treating device for fully-mechanized coal mining working face with large mining height of coal mine | |
| CN103291348B (en) | Fully-mechanized mining working dust transfinites automatic dustfall method | |
| CN201802404U (en) | Automatic atomizing and dust-reducing control system of development machine | |
| CN204225888U (en) | Efficient comprehensive dust-prevention system suitable for quick fully-mechanized excavation working surface of difficult-to-wet coal seam | |
| CN203488175U (en) | Dust isolating device for rotary wind curtain of coal mining machine on fully mechanized coal mining face | |
| CN105626134A (en) | Local area closed dust prevention and control method for fully mechanized coal mining working faces | |
| CN102080565A (en) | Bracket spraying dust fall device used for fully mechanized caving coal mine working face | |
| CN204238942U (en) | A kind of fully-mechanized mining working dust preventive and control device | |
| CN102434156B (en) | Dust removing curtain device for development machine | |
| CN202788917U (en) | Light vortex dust controller | |
| CN202132042U (en) | Combined external spraying wind/water dust removing device for developing machine | |
| CN106677777B (en) | A kind of Wet-type dust-removal fan for coalcutter | |
| CN202611703U (en) | Dust suppress device for heading machine | |
| CN204140073U (en) | The two curtain device for reducing dust of a kind of air water for fully-mechanized mining working | |
| CN102937034A (en) | Dust-falling spraying device | |
| CN201874604U (en) | Diffused wind dust remover | |
| CN103758558A (en) | Vehicle-mounted foam type dedusting device of fully-mechanized roadheader | |
| CN201934122U (en) | Dust-settling station used in smoke-abating and dust-settling construction for long tunnel | |
| CN105201505A (en) | Gas-water injection device and dust control system for dust produced by cutting of coal cutter | |
| CN101105128A (en) | Adjustable coal winning machine gas-water spraying device | |
| CN204492865U (en) | A kind of bauxite tunnel fully-mechanized digging machine is constructed airborne forepoling support device | |
| CN201924956U (en) | Novel support spraying dust suppression device | |
| CN204960968U (en) | Prevent abrupt air door scraper -trough conveyer and prevent device against wind | |
| CN201574759U (en) | Device for reducing dust generated by drilling holes on fully-mechanized excavation face in coal mine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140319 Termination date: 20160918 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |