CN1060841C - Long tube type high pressure water fog dust cleaning method and device for roll coal-cutter - Google Patents
Long tube type high pressure water fog dust cleaning method and device for roll coal-cutter Download PDFInfo
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- CN1060841C CN1060841C CN96117018A CN96117018A CN1060841C CN 1060841 C CN1060841 C CN 1060841C CN 96117018 A CN96117018 A CN 96117018A CN 96117018 A CN96117018 A CN 96117018A CN 1060841 C CN1060841 C CN 1060841C
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Abstract
The present invention relates to a long tube type high pressure water mist dust remover for rotary drum coal cutters, which is suitable for underground dual-drum and single-drum coal cutters. A long steel plate drum is longitudinally arranged on the machine surface of the coal cutter, and the long drum is provided with a main mist spray nozzle and an auxiliary nozzle so as to introducing high pressure water. On the basis of original internal and external mist spray dust removing, the present invention can reduce 80-90% of the dust concentration in the surrounding air of the coal cutter, the operating environment of coal cutting working face can also be improved, and the present invention has strong reliability, simple structure, low cost, convenient operation and simple maintenance.
Description
The present invention relates to flitting long tube type high pressure water fog dust cleaning and device, be particularly useful for coal mine fully-mechanized mining face, comprehensive coal face, general twin-roll and the single ended shearer of adopting face.
Longwall machinery coal-face drum shearer depositing dust problem is one of technical barrier that coal industry faces in the world wide under the coal mine.Under the situation of not taking any measurements for reduction, one ton of coal of the every evil of coal-winning machine will produce 2 * 10 usually
5～5 * 10
5The mg coal dust.External spraying, coal seam shift to an earlier date measurements for reduction such as water filling in the cylinder that adopts at present, and the dust-producing amount that coal-winning machine whenever cuts one ton of coal can be reduced to 10
4～1.2 * 10
4Mg, but around the coal-winning machine and rear (following distinguished and admirable), the dustiness in every cubic metres of air is still up to more than 200～1000mg.Work under coal miner's sd so condition, not only reduced workman's production efficiency, increased the probability that various industrial accidents take place, but also hiding the possibility that coal-dust explosion takes place in the hiding, threaten mine safety production.
Problem in view of the prior art existence, the purpose of this invention is to provide an a kind of end sprays the long tube type high pressure water fog dust cleaning method of water smoke and realizes that this method is arranged on the long tube type high pressure water fog dust cleaning device on the flitting to the other end, it moves work simultaneously with coal-winning machine, can improve the working environment under the coal mine effectively.
Flitting long tube type high pressure water fog dust cleaning method of the present invention enters growing tube in coal-winning machine machine side on water under high pressure by high-pressure rubber pipe with high-pressure hydraulic pump, and high-pressure rubber pipe is packed into and dragged in the cable clamp, is dragged by coal-winning machine with cable; Water under high pressure enters long through high-pressure rubber pipe, and the nozzle group that is provided with in long tube sprays water smoke by an end of long to the other end.Two groups of nozzles that are provided with in the long tube are alternately opened, are stopped, and the direction that main jet is chewed spraying is always opposite with the shearer haulage direction, and is consistent with the air draught direction; Auxiliary nozzle spray direction is consistent with lead, and is opposite with the air draught direction.The pressure of the water under high pressure of being got by high-pressure pump is controlled to be 15～20MPa, and flow is 0.5～1% of a coal-winning machine coal cutting amount.
Flitting long tube type high pressure water fog dust cleaning device of the present invention, one long steel plate tube longitudinally is set on the machine side of coal-winning machine, its length is greater than coal-winning machine body length, less than the distance of shaft centers of two ends coal cutting cylinder, the two-port of long tube is the bell mouth shape of oblique cylinder, is provided with two groups of main jet spray paintings in the long tube and chews, the angle inboard at two ends, one group of auxiliary nozzle respectively is housed, and each is organized nozzle and connects high-pressure rubber pipe, and the high-pressure hydraulic pump that is provided with in high-pressure rubber pipe and the gallery is linked together.For easy accessibility, it is a gastight integral body that long tube is connected by some joints, and in coal mining machine side top, the section of long tube can be square, also can be circular with bolton.The high-pressure rubber pipe of connection nozzle group and high-pressure hydraulic pump is packed into and is dragged in the cable clamp.
Flitting long tube type high pressure water fog dust cleaning method of the present invention and device, at the flitting machine side one long steel plate tube is set vertically, in the long tube main jet is set and chews and assist the nozzle group, water under high pressure is introduced in the long tube that is provided with on the coal-winning machine machine side, under the nozzle group ejection water smoke effect that in long tube, is provided with, make an end of long letter produce negative pressure, play the dust suction effect.On the basis of original inside and outside atomizing de-dusting, the dust concentration in the coal-winning machine ambient air is reduced by 80～90%, promptly dust content can be reduced to 20～100mg/m in the work plane air
3Below, wherein respirable dust concentration can be reduced to 10～30mg/m
3Below, improved the working environment of coal-face greatly, guarantee that the workman is healthy, raise labour productivity, can stop the generation of coal-dust explosion fully.Its good reliability, simple in structure, cost is low, and is easy to operate, safeguards simply to have practicality widely.
Description of drawings:
Accompanying drawing is a structure principle chart of the present invention.
Long tube 1, nozzle group 2, coal-winning machine 3, auxiliary nozzle group 4, wind direction 5, high-pressure hydraulic pump 6, high-pressure rubber pipe 7, coal mining machine roller 8.
Below in conjunction with accompanying drawing one embodiment of the present of invention are further described:
Flitting long tube type high pressure water fog dust cleaning method of the present invention, enter water under high pressure in the long tube 1 of coal-winning machine machine side by high-pressure rubber pipe 7 with high-pressure hydraulic pump 6, high-pressure rubber pipe 7 is packed into and is dragged in the cable clamp, is dragged by coal-winning machine with cable, moves with cable clamp; Water under high pressure enters in long 1 through high-pressure rubber pipe 7, under the effect of the nozzle 2 that is provided with in long tube, sprays water smoke by an end of long to the other end.Long tube one end produces negative pressure, and a large amount of coal dusts that produce when coal-winning machine is mined suck in the long tube 1, and the effect by water smoke becomes coal dust into coal slime, with the other end ejection of water smoke at long tube.Two groups of nozzles 2 that are provided with in the long tube are alternately opened, are stopped, and the direction that main jet is chewed group 2 sprayings is always opposite with the shearer haulage direction, and is consistent with the air draught direction; Auxiliary nozzle group 4 spray direction are consistent with lead, and are opposite with the air draught direction.Cut the cylinder of top coal in order to covering, and enlarge air draught negative pressure field scope.The pressure of the water under high pressure of being got by high-pressure pump 6 is controlled to be 15～20MPa, and flow is 0.5～1% of a coal-winning machine coal cutting amount.
For realizing the long tube type high pressure water fog dust cleaning device of dust suction method of the present invention, on the machine side of coal-winning machine 3, longitudinally install a long steel plate tube 1, its length is greater than the length of body 3, but less than the distance of shaft centers (when cylinder is set level) of two ends coal cutting cylinder 8.Long tube 1 profile height and width are decided on the work plane condition, are respectively 150～250m and 300～700m, and two jiaos are arcuation above the long tube section.For easy accessibility, long tube 1 can be divided into some joints, long 1 meter or 1.5 meters of every joint, and long tube two-port is made the bell mouth shape of oblique cylinder.Whole long tube 1 is an integral body, and is air tight, is secured in the machine side top, and during the coal-winning machine maintenance, its integral body can be sling hangs on the set cap.High-pressure hydraulic pump 6 is arranged in the gallery, in the long tube 1 two groups of main jet spray paintings is installed and is chewed 2, adopts the sky side in the two-port of long tube 1, and one group of auxiliary nozzle 4 respectively is housed, and each organizes nozzle can be provided with 2～3 nozzles.
Claims (6)
1. flitting long tube type high pressure water fog dust cleaning method, it is characterized in that: water under high pressure is entered growing in the tube (1) on the coal-winning machine machine side by high-pressure rubber pipe (7) with high-pressure hydraulic pump (6), high-pressure rubber pipe (7) is packed into and is dragged in the cable clamp, drag by coal-winning machine with cable, water under high pressure enters long tube (1) through high-pressure rubber pipe (7), the nozzle group that is provided with in long tube (1) sprays water smoke by the end of long tin (1) to the other end.
2. flitting long tube type high pressure water fog dust cleaning method according to claim 1 is characterized in that: a nozzle group that is provided with in the long tube is alternately opened, is stopped, and it is always opposite with the shearer haulage direction that main jet is chewed (2) spray direction, consistent with the air draught direction; Auxiliary nozzle (3) spray direction is consistent with lead, and is opposite with the air draught direction.
3. flitting long tube type high pressure water fog dust cleaning method according to claim 1 and 2 is characterized in that: the pressure of water under high pressure is 15～20MPa, and flow is 0.5～1% of a coal-winning machine coal cutting amount.
4. flitting long tube type high pressure water fog dust cleaning device, it is characterized in that: a long steel plate tube (1) longitudinally is set on the machine side of coal-winning machine, its length is body length greater than coal mining, distance of shaft centers less than two ends coal cutting cylinder, the two-port of long tube (1) is the bell mouth shape of oblique cylinder, in the long tube two groups of master's atomizer apertures (2) are set, the angle inboard at two ends, respectively be provided with one group of auxiliary nozzle (4), each is organized nozzle and connects high-pressure rubber pipe (7), and high-pressure rubber pipe (7) is linked together with the interior high-pressure hydraulic pump (6) that is provided with of gallery.
5. flitting long tube type high pressure water fog dust cleaning device according to claim 4 is characterized in that: long tube (1) is formed by some joints connections.
6. according to claim 4 or 5 described flitting long tube type high pressure water fog dust cleaning devices, it is characterized in that: the section of long tube (1) can be square, also can be circular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN96117018A CN1060841C (en) | 1996-07-12 | 1996-07-12 | Long tube type high pressure water fog dust cleaning method and device for roll coal-cutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN96117018A CN1060841C (en) | 1996-07-12 | 1996-07-12 | Long tube type high pressure water fog dust cleaning method and device for roll coal-cutter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1170809A CN1170809A (en) | 1998-01-21 |
| CN1060841C true CN1060841C (en) | 2001-01-17 |
Family
ID=5123962
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN96117018A Expired - Fee Related CN1060841C (en) | 1996-07-12 | 1996-07-12 | Long tube type high pressure water fog dust cleaning method and device for roll coal-cutter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1060841C (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101985877A (en) * | 2010-09-09 | 2011-03-16 | 王逢旦 | High pressure water jet cutting drum coal dropping double power shearer |
| CN102182458A (en) * | 2011-04-14 | 2011-09-14 | 淮北矿业股份有限公司 | Induced draft water curtain dust removing device for intercepted coal mining machine |
| CN103527239B (en) * | 2013-10-10 | 2015-09-23 | 苏州华安矿业科技有限公司 | The manufacture method of coal-winning machine negative-pressure atomizing secondary dust removing device |
| CN103498693B (en) * | 2013-10-10 | 2015-11-11 | 苏州华安矿业科技有限公司 | Negative-pressure atomizing dust-control device between support frame |
| CN108412492A (en) * | 2018-04-28 | 2018-08-17 | 中国矿业大学 | A kind of the intelligent measurement dust pelletizing system and dust removal method of sensor distributing installation |
| CN117468926B (en) * | 2023-12-22 | 2024-03-12 | 徐州江煤科技有限公司 | Air-water linkage automatic spraying dust-settling device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2111365U (en) * | 1992-01-31 | 1992-07-29 | 江苏省煤矿研究所 | Automatic pneumatic spraying device for tunnelling face |
| CN2183668Y (en) * | 1994-01-25 | 1994-11-30 | 徐秋彬 | Tea screening machine with vibration-absorber |
-
1996
- 1996-07-12 CN CN96117018A patent/CN1060841C/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2111365U (en) * | 1992-01-31 | 1992-07-29 | 江苏省煤矿研究所 | Automatic pneumatic spraying device for tunnelling face |
| CN2183668Y (en) * | 1994-01-25 | 1994-11-30 | 徐秋彬 | Tea screening machine with vibration-absorber |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1170809A (en) | 1998-01-21 |
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