CN111535847B - A move a dust collecting equipment for hydraulic support - Google Patents

A move a dust collecting equipment for hydraulic support Download PDF

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Publication number
CN111535847B
CN111535847B CN202010401024.3A CN202010401024A CN111535847B CN 111535847 B CN111535847 B CN 111535847B CN 202010401024 A CN202010401024 A CN 202010401024A CN 111535847 B CN111535847 B CN 111535847B
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China
Prior art keywords
fixed
fixed cylinder
plate
hydraulic support
rod
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CN202010401024.3A
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CN111535847A (en
Inventor
汪江池
林德燕
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Huajia Aluminum Co ltd
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Huajia Aluminum Co ltd
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    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21FSAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
    • E21F5/00Means or methods for preventing, binding, depositing, or removing dust; Preventing explosions or fires
    • E21F5/02Means or methods for preventing, binding, depositing, or removing dust; Preventing explosions or fires by wetting or spraying
    • E21F5/04Spraying barriers
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21DSHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D23/00Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21FSAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
    • E21F5/00Means or methods for preventing, binding, depositing, or removing dust; Preventing explosions or fires
    • E21F5/20Drawing-off or depositing dust

Abstract

The invention discloses a frame moving dust removing device for a hydraulic support, which comprises the hydraulic support, wherein a first fixing barrel is arranged on the outer side of the hydraulic support, a negative pressure draught fan is installed on the upper surface of the first fixing barrel, a second fixing barrel is installed on the upper surface of the negative pressure draught fan, a dust inlet cup is fixed on the upper surface of the second fixing barrel, a water outlet is fixed on the lower surface of the middle of the first fixing barrel, a first fixing rod is fixed on the lower surface of the edge of the first fixing barrel, a filter box is fixed at the lower end of the first fixing rod, a collecting box is rotatably sleeved on the lower surface of the filter box, a filter screen is installed on the inner wall of the filter box, a cleaning mechanism is arranged above the filter screen, and a liquid spraying mechanism is arranged on the right side of the first fixing barrel. According to the invention, dust is sucked by the negative pressure draught fan, then the dust is captured by the sprayed water, sewage is filtered by the filter screen, and the purified water is sprayed by the upper part and is circulated to realize dust removal.

Description

A move a dust collecting equipment for hydraulic support
Technical Field
The invention relates to the technical field of coal mining dust removal equipment, in particular to a frame moving dust removal device for a hydraulic support.
Background
The dust concentration of the coal face is rapidly increased along with the improvement of the mechanization and automation degree of the coal face, and high-concentration dust becomes the most serious harm of the coal industry. Dust removing apparatuses that can remove dust have become a concern.
The existing dust removing equipment realizes dust removal by capturing dust particles through spraying, but causes ground water pollution and accumulated sewage, does not meet the environmental protection requirement, and has unsatisfactory dust removing effect.
Disclosure of Invention
The invention aims to provide a frame moving dust removal device for a hydraulic support, which is characterized in that dust is sucked by a negative pressure draught fan, then the dust is captured by sprayed water, sewage is filtered by a filter screen, the purified water is sprayed upwards, and the dust removal is realized by circulating reciprocation, so that the environment is protected, no pollution is caused, and the problems in the background art are solved.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a move a dust collecting equipment for hydraulic support, includes hydraulic support, hydraulic support's the outside is provided with first solid fixed cylinder, the negative pressure draught fan is installed to the higher authority of first solid fixed cylinder, the solid fixed cylinder of second is installed to the higher authority of negative pressure draught fan, the higher authority of the solid fixed cylinder of second is fixed with into dirt cup, be fixed with the delivery port below in the middle of the first solid fixed cylinder, be fixed with first dead lever below the first solid fixed cylinder edge, the lower extreme of first dead lever is fixed with the rose box, the collecting box has been cup jointed in the rotation below the rose box, the filter screen is installed to the inner wall of rose box, the top of filter screen is provided with clean mechanism, the right side of first solid fixed cylinder is provided with hydrojet mechanism.
Preferably, the cleaning mechanism comprises a second fixing rod, the second fixing rod slides on the upper surface of the filter box, and a bristle plate in contact with the filter screen is fixed at the lower end of the second fixing rod extending into the filter box.
Preferably, an angle-shaped plate is arranged above the second fixing rod penetrating out of the filter box, a guide groove is formed in the lower surface of the angle-shaped plate, a guide wheel is fixed at the top of one end, extending into the angle-shaped plate, of the second fixing rod, and the guide wheel rolls along the guide groove.
Preferably, a guide rail is fixed on the upper surface of the filter box, and a sliding groove in sliding contact with the guide rail is formed in the lower surface of the second fixing rod.
Preferably, the liquid spraying mechanism comprises a third fixed cylinder, flanges are fixed on the opposite surfaces of the third fixed cylinder and the first fixed cylinder, the opposite surfaces of the two flanges are fixedly clamped with the spraying screen plate, a one-way liquid outlet valve is installed in the third fixed cylinder, a fourth fixed cylinder is fixed at one end, far away from the flanges, of the third fixed cylinder, a piston plate is connected to the inner wall of the fourth fixed cylinder in a sliding mode, a one-way liquid inlet valve is installed on the outer side of the piston plate, a liquid inlet pipe is installed at one end of the one-way liquid inlet valve, and the upper end of the liquid inlet pipe penetrates into the middle of the inner cavity of the collecting box.
Preferably, a fixing plate is fixed on the fourth fixing cylinder, a driving motor is installed on the fixing plate, a first gear is installed at the shaft end of the driving motor, which penetrates out of the lower surface of the fixing plate, the surface of the first gear is connected with a second gear in a meshed mode, a pull rod is hinged to the lower surface of the second gear, and one end, far away from the second gear, of the pull rod is hinged to the outer side of the piston plate.
Preferably, a bent rod is fixed between the piston plate and the angle plate.
Preferably, the top of the filter box is fixedly connected with a guide rod, two ends of the angle plate are fixedly connected with guide sleeves, and the guide sleeves slide on the guide rod.
Preferably, a sliding block is fixed on the lower surface of the front side of the filter box, a rack slides on the inner side of the sliding block, a third gear meshed with the rack is fixed at the upper end of the collecting box, one end of the rack is fixed with the front surface of the bent rod, and the lower part of the collecting box is rotatably arranged on the rotating disk.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, dust is sucked by the negative pressure draught fan, then the dust is captured by the sprayed water, sewage is filtered by the filter screen, and the purified water is sprayed by the upper part and is circulated to realize dust removal.
2. According to the invention, the cleaning mechanism is arranged, so that the filter screen can be repeatedly cleaned, and the passing performance of the filter screen is ensured.
3. According to the invention, by arranging the injection mechanism, the filtered clean water is sucked by using negative pressure and then injected into the first fixed cylinder.
4. According to the invention, the rotatable collecting box is arranged, so that clean water and dirty liquid can be further separated, and the cleanliness of the clean water is guaranteed.
Drawings
FIG. 1 is a schematic structural diagram of a front view of a hydraulic mount of the present invention;
FIG. 2 is a schematic perspective view of a first fixed cylinder according to the present invention;
FIG. 3 is a schematic structural view of a perspective view of the collection chamber of the present invention;
FIG. 4 is a schematic structural diagram of a top view of a first fixed cylinder according to the present invention;
FIG. 5 is a schematic structural view taken along the line A-A in FIG. 4;
FIG. 6 is a schematic structural view in elevation of a filtration tank of the present invention;
fig. 7 is a schematic structural view taken along the line B-B in fig. 6 according to the present invention.
In the figure: 1-hydraulic support, 2-first fixed cylinder, 3-negative pressure draught fan, 4-second fixed cylinder, 5-dust inlet cup, 6-water outlet, 7-first fixed rod, 8-filter box, 9-collecting box, 10-filter screen, 11-cleaning mechanism, 111-second fixed rod, 112-bristle plate, 113-angle plate, 114-guide groove, 115-guide wheel, 116-guide rail, 117-slide groove, 12-spraying mechanism, 1201-third fixed cylinder, 1202-flange, 1203-spraying screen plate, 1204-one-way liquid outlet valve, 1205-fourth fixed cylinder, 1206-piston plate, 1207-one-way liquid inlet valve, 1208-liquid inlet pipe, 1209-fixed plate, 1210-driving motor, 1211-first gear, 1212-second gear, 1213-pull rod, 1214-bent rod, 1215-guide rod, 1216-guide sleeve, 13-slide, 14-rack, 15-third gear.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 7, the present invention provides a technical solution: the utility model provides a move a dust collecting equipment for hydraulic support, including hydraulic support 1, hydraulic support 1's the outside is provided with first fixed cylinder 2, negative pressure draught fan 3 is installed to the higher authority of first fixed cylinder 2, the fixed cylinder 4 of second is installed to the higher authority of negative pressure draught fan 3, the higher authority of the fixed cylinder 4 of second is fixed with into dirt cup 5, negative pressure draught fan 3 and the regional size that advances dirt cup 5 can be decided according to the dust uplifted, the power of fan can be set for according to the size of dust particle, negative pressure draught fan 3 forms the negative pressure wind, attract the dust to get into from advancing dirt cup 5, the realization is to the seizure of dust particle.
The middle lower surface of the first fixed cylinder 2 is fixed with a water outlet 6, dust is sucked into the first fixed cylinder 2, water is sprayed in the first fixed cylinder 2, water mist and dust are mixed together, the mixed sewage is gathered from the water outlet 6, a first fixing rod 7 is fixed below the edge of the first fixed cylinder 2, the lower end of the first fixing rod 7 is fixed with a filter box 8, the first fixing rod 7 is provided with a plurality of groups side by side, the installation strength of the filter box 8 is improved, a collecting box 9 is sleeved below the filter box 8 in a rotating mode, the filter box is used for placing filtered clean water, a filter screen 10 is installed on the inner wall of the filter box 8 and used for filtering sewage, an opening for a user to open can be formed in the filter box 8, the filter screen 10 is convenient to replace, and the dust on the filter screen 10 can be timely cleaned. A cleaning mechanism 11 is arranged above the filter screen 10 and used for cleaning dirt accumulated on the filter screen 10 after the sewage is filtered from the filter screen 10, and a liquid spraying mechanism 12 is arranged on the right side of the first fixing cylinder 2 and used for spraying water mist to the first fixing cylinder 2 and capturing dust particles.
Specifically, the cleaning mechanism 11 includes a second fixing rod 111, the second fixing rod 111 slides on the upper surface of the filtering box 8, a bristle plate 112 contacting with the filtering net 10 is fixed at the lower end of the second fixing rod 111 extending into the filtering box 8, when the bristle plate 112 moves back and forth on the filtering net 10, the dirt accumulated on the filtering net 10 can be cleaned, so as to ensure the water filtering passing performance of the filtering net 10.
Furthermore, an angle plate 113 is arranged above the second fixing rod 111 penetrating out of the filter box 8, a guide groove 114 is formed in the lower surface of the angle plate 113, a guide wheel 115 is fixed at the top of one end of the second fixing rod 111 extending into the angle plate 113, the guide wheel 115 rolls along the guide groove 114, when the angle plate 113 moves towards the direction away from the bristle plate 112, the guide wheel 115 rolls along the guide groove 114, so that the distance between the two second fixing rods 111 is increased, and the two bristle plates 112 are driven to move towards the two sides of the filter screen 10, otherwise, when the angle plate 113 moves towards the direction close to the bristle plate 112, the guide wheel 115 rolls along the guide groove 114, so that the distance between the two second fixing rods 111 is decreased, and the two bristle plates 112 are driven to move towards the middle of the filter screen 10, and finally, the filter screen 10 is cleaned in a reciprocating manner.
Further, a guide rail 116 is fixed on the upper surface of the filtering box 8, a sliding groove 117 in sliding contact with the guide rail 116 is formed in the lower surface of the second fixing rod 111, and the second fixing rod 111 is matched with the sliding groove 117 through the guide rail 116 and stably slides on the filtering box 8, so that the two second fixing rods 111 can only perform relative and back-to-back translation and cannot move left and right.
Specifically, hydrojet mechanism 12 includes the fixed section of thick bamboo 1201 of third, the fixed section of thick bamboo 1201 of third all is fixed with the flange 1202 with the relative one side of the fixed section of thick bamboo 2 of first, the inherent injection otter board 1203 of relative face card of two flanges 1202, install one-way liquid outlet valve 1204 in the fixed section of thick bamboo 1201 of third, the one end that flange 1202 was kept away from to the fixed section of thick bamboo 1201 of third is fixed with the fixed section of thick bamboo 1205 of fourth, the inner wall sliding connection of the fixed section of thick bamboo 1205 of fourth has piston plate 1206, one-way feed liquor valve 1207 is installed in the outside of piston plate 1206, feed liquor pipe 1208 is installed to the one end of one-way feed liquor valve 1207, the middle part of collecting box 9 inner chamber is worn into to the upper end of feed liquor pipe 1208.
Further, liquid inlet pipe 1208 can be fixed on the inner wall of collecting box 9 through a fixing frame to ensure that liquid inlet pipe 1208 is vertical.
Further, the liquid inlet pipe 1208 is prevented from bending, and the liquid inlet pipe 1208 may be a corrugated pipe, a gooseneck, or other pipe that is not easily bent.
Furthermore, a fixing plate 1209 is fixed on the fourth fixing cylinder 1205, a driving motor 1210 is mounted on the fixing plate 1209, a first gear 1211 is mounted at a shaft end of the driving motor 1210, which penetrates through the lower surface of the fixing plate 1209, a second gear 1212 is engaged with the surface of the first gear 1211, a pull rod 1213 is hinged below the second gear 1212, one end of the pull rod 1213, which is far away from the second gear 1212, is hinged to the outer side of the piston plate 1206, after the driving motor 1210 is started, the piston plate 1206 is driven to slide in the fourth fixing cylinder 1205 in a reciprocating manner, when the piston plate 1206 is displaced to the leftmost end, clean water in the fourth fixing cylinder 1205 is squeezed, the one-way liquid outlet valve 1204 overcomes the elastic force of the internal spring to open, so that the clean water is ejected from the ejection net plate 1203, the mesh size of the ejection net plate 1203 can be determined as required, so that the water is ejected into a water mist form for combining dust particles, when the piston plate 1206 is displaced to the rightmost end, a negative pressure is formed in the fourth fixing cylinder 1205 at this time, one-way feed liquor valve 1207 overcomes inside spring force and backs down, and the clear water in the collecting box 9 is attracted because of the negative pressure, enters into the fixed section of thick bamboo 1205 of fourth from feed liquor pipe 1208, and then makes water can recycle, increases operation rate, has also realized the dust fall simultaneously and has removed dust.
Furthermore, a bent rod 1214 is fixed between the piston plate 1206 and the angle plate 113, so that the cleaning and water spraying processes of the filter screen 10 are simultaneously performed, thereby improving efficiency.
Further, a guide rod 1215 is fixedly connected to the top of the filter box 8, a guide sleeve 1216 is fixedly connected to both ends of the angle plate 113, the guide sleeve 1216 slides on the guide rod 1215, and the angle plate 113 slides on the guide rod 1215 through the guide sleeve 1216, so that the movement stability of the angle plate 113 can be improved.
On the basis of the above-mentioned embodiment, slider 13 is fixed with below this application rose box 8 front side, slider 13's inboard slides has rack 14, the upper end of collecting box 9 is fixed with third gear 15 with rack 14 looks meshing, the one end of rack 14 is fixed with the preceding of knee 1214, in knee 1214 translation process, can drive collecting box 9 rotatory, then it can be inevitable to filter a little impurity in collecting box 9 from filter screen 10 and can be because of centrifugal action, the outer fringe is long-pending at collecting box 9 bottom gradually, and the clear water that has filtered in collecting box 9 can further dirty liquid separation, the cleanliness factor of guarantee clear water. During installation, a turntable may be provided below the collecting chamber 9, so that the collecting chamber 9 rotates on the turntable.
Further, the collection tank 9 is detachable from the filter tank 8 so as to clean the impurities in the collection tank 9.
Further, the bottom of the liquid inlet pipe 1208 is at a distance from the bottom of the collection tank 9, preventing the suction of impurities.
Further, the collecting box 9 can be transparent so as to visually know the amount of impurities in the collecting box, and further, the cleaning is convenient.
The working principle is as follows: when the frame moving dedusting equipment for the hydraulic support is used, firstly, clean water is filled in the collection box 9, then the driving motor 1210 is started to drive the piston plate 1206 to slide in the fourth fixed cylinder 1205 in a reciprocating manner, when the piston plate 1206 is displaced to the leftmost end, clean water in the fourth fixed cylinder 1205 is squeezed, the one-way liquid outlet valve 1204 overcomes the elastic force of an internal spring to be pushed open, so that the clean water is sprayed out from the spraying screen plate 1203 and sprayed into the first fixed cylinder 2 to be combined with the entering dust into sewage, the sewage falls into the filter box 8 from the water outlet 6, when the piston plate 1206 slides in a reciprocating manner, the angle plate 113 is driven to move in a reciprocating manner through the bent rod 1214, when the angle plate 113 moves away from the bristle plate 112, at the moment, the guide wheel 115 rolls along the guide groove 114, so that the distance between the two second fixed rods 111 is increased, and the two bristle plates 112 are further driven to move towards the two sides of the filter screen 10, on the contrary, when the angle plate 113 moves towards the direction close to the bristle plate 112, the guide wheel 115 rolls along the guide groove 114, so that the distance between the two second fixing rods 111 becomes smaller, and then the two bristle plates 112 are driven to move towards the middle of the filter screen 10, and finally the filter screen 10 is cleaned in a reciprocating manner, so that water can be saved, the water utilization rate is improved, and dust removal can be realized.
In addition, this application can set up a rotary disk in the installation, in the collecting box 9 lower part for collecting box 9 rotates on the carousel. The curved bar 1214 translation in-process can drive the collecting box 9 rotatory, then inevitably strains a little impurity in the collecting box 9 from filter screen 10 and can be because of centrifugal action, long-pending staying in collecting box 9 bottom outer fringe gradually, and the clear water of having strained in the collecting box 9 can further the dirty liquid separation, ensures the cleanliness factor of clear water.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides a move a dust collecting equipment for hydraulic support, includes hydraulic support (1), its characterized in that: a first fixed cylinder (2) is arranged on the outer side of the hydraulic support (1), a negative pressure draught fan (3) is arranged on the first fixed cylinder (2), a second fixed cylinder (4) is arranged on the negative pressure draught fan (3), a dust inlet cup (5) is fixed on the second fixed cylinder (4), a water outlet (6) is fixed below the middle of the first fixed cylinder (2), a first fixed rod (7) is fixed below the edge of the first fixed cylinder (2), a filter box (8) is fixed at the lower end of the first fixed rod (7), a collecting box (9) is rotatably sleeved below the filter box (8), a filter screen (10) is arranged on the inner wall of the filter box (8), a cleaning mechanism (11) is arranged above the filter screen (10), a liquid spraying mechanism (12) is arranged on the right side of the first fixed cylinder (2);
the cleaning mechanism (11) comprises a second fixing rod (111), the second fixing rod (111) slides on the upper surface of the filter box (8), and a brushing plate (112) which is in contact with the filter screen (10) is fixed at the lower end of the second fixing rod (111) extending into the filter box (8);
an angle-shaped plate (113) is arranged above the second fixing rod (111) penetrating out of the filter box (8), a guide groove (114) is formed in the lower surface of the angle-shaped plate (113), a guide wheel (115) is fixed to the top of one end, extending into the angle-shaped plate (113), of the second fixing rod (111), and the guide wheel (115) rolls along the guide groove (114); a guide rail (116) is fixed on the upper surface of the filter box (8), and a sliding groove (117) in sliding contact with the guide rail (116) is formed in the lower surface of the second fixing rod (111);
the liquid spraying mechanism (12) comprises a third fixed cylinder (1201), flanges (1202) are fixed on the opposite surfaces of the third fixed cylinder (1201) and the first fixed cylinder (2), the opposite surfaces of the two flanges (1202) are fixedly clamped with a spraying screen plate (1203), a one-way liquid outlet valve (1204) is installed in the third fixed cylinder (1201), a fourth fixed cylinder (1205) is fixed at one end, far away from the flange (1202), of the third fixed cylinder (1201), a piston plate (1206) is connected to the inner wall of the fourth fixed cylinder (1205) in a sliding mode, a one-way liquid inlet valve (1207) is installed on the outer side of the piston plate (1206), a liquid inlet pipe (1208) is installed at one end of the one-way liquid inlet valve (1207), and the upper end of the liquid inlet pipe (1208) penetrates into the middle of the inner cavity of the collection box (9); the fixed plate (1209) is fixed on the upper surface of the fourth fixed cylinder (1205), the driving motor (1210) is installed on the upper surface of the fixed plate (1209), the driving motor (1210) penetrates out of the shaft end below the fixed plate (1209) and is installed with a first gear (1211), the surface of the first gear (1211) is meshed with a second gear (1212), the lower surface of the second gear (1212) is hinged with a pull rod (1213), and one end, away from the second gear (1212), of the pull rod (1213) is hinged with the outer side of the piston plate (1206).
2. The frame moving and dust removing device for the hydraulic support according to claim 1, wherein: and a bent rod (1214) is fixed between the piston plate (1206) and the angle plate (113).
3. The frame moving and dust removing device for the hydraulic support according to claim 1, wherein: the top of the filter box (8) is fixedly connected with a guide rod (1215), two ends of the angle plate (113) are fixedly connected with a guide sleeve (1216), and the guide sleeve (1216) slides on the guide rod (1215).
4. The frame moving and dust removing device for the hydraulic support according to claim 1, wherein: a sliding block (13) is fixed on the lower surface of the front side of the filter box (8), a rack (14) slides on the inner side of the sliding block (13), a third gear (15) meshed with the rack (14) is fixed at the upper end of the collecting box (9), and one end of the rack (14) is fixed with the front surface of the bent rod (1214).
5. The mobile rack dust removing apparatus for a hydraulic support according to claim 4, wherein: the lower part of the collecting box (9) is rotatably arranged on the rotating disc.
CN202010401024.3A 2020-05-13 2020-05-13 A move a dust collecting equipment for hydraulic support Active CN111535847B (en)

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CN111535847B true CN111535847B (en) 2022-05-03

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112746859A (en) * 2021-01-08 2021-05-04 朱正泉 Dust removal equipment for coal mine electromechanical fully mechanized mining support
CN116066165B (en) * 2023-03-15 2023-06-13 山西和信基业科技股份有限公司 Automatic hydraulic support for underground opening

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CN102230392A (en) * 2011-06-01 2011-11-02 山东科技大学 Mining face support movement automatic spray negative pressure secondary dust reducing method and device
CN206468371U (en) * 2017-02-07 2017-09-05 中国神华能源股份有限公司 Dust pelletizing system for fully-mechanized mining working
CN206655696U (en) * 2017-03-22 2017-11-21 枣庄矿业(集团)付村煤业有限公司 New and effective coal-winning machine wet scrubber
CN208153050U (en) * 2018-05-10 2018-11-27 永贵能源开发有限责任公司新田煤矿 A kind of coal mine spray dust remover
CN110030029A (en) * 2019-05-20 2019-07-19 神华神东煤炭集团有限责任公司 A kind of micro- mist purification method of negative pressure pumping dirt and system for mining height workface face
CN209145627U (en) * 2018-11-19 2019-07-23 河南工业和信息化职业学院 A kind of coal mine device for reducing dust
CN110951512A (en) * 2019-12-13 2020-04-03 徐州宇晟安全环保科技有限公司 Automatic dust fall system and method for coal unloading point of lifting well
CN210483729U (en) * 2019-07-12 2020-05-08 临沂矿业集团菏泽煤电有限公司 Dust removal fan with dust absorption sleeve

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102230392A (en) * 2011-06-01 2011-11-02 山东科技大学 Mining face support movement automatic spray negative pressure secondary dust reducing method and device
CN206468371U (en) * 2017-02-07 2017-09-05 中国神华能源股份有限公司 Dust pelletizing system for fully-mechanized mining working
CN206655696U (en) * 2017-03-22 2017-11-21 枣庄矿业(集团)付村煤业有限公司 New and effective coal-winning machine wet scrubber
CN208153050U (en) * 2018-05-10 2018-11-27 永贵能源开发有限责任公司新田煤矿 A kind of coal mine spray dust remover
CN209145627U (en) * 2018-11-19 2019-07-23 河南工业和信息化职业学院 A kind of coal mine device for reducing dust
CN110030029A (en) * 2019-05-20 2019-07-19 神华神东煤炭集团有限责任公司 A kind of micro- mist purification method of negative pressure pumping dirt and system for mining height workface face
CN210483729U (en) * 2019-07-12 2020-05-08 临沂矿业集团菏泽煤电有限公司 Dust removal fan with dust absorption sleeve
CN110951512A (en) * 2019-12-13 2020-04-03 徐州宇晟安全环保科技有限公司 Automatic dust fall system and method for coal unloading point of lifting well

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