CN108678799B - A kind of dedusting device for coal mine safety - Google Patents
A kind of dedusting device for coal mine safety Download PDFInfo
- Publication number
- CN108678799B CN108678799B CN201810671577.3A CN201810671577A CN108678799B CN 108678799 B CN108678799 B CN 108678799B CN 201810671577 A CN201810671577 A CN 201810671577A CN 108678799 B CN108678799 B CN 108678799B
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- fixedly installed
- motor
- installs case
- main body
- coal mine
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F5/00—Means or methods for preventing, binding, depositing, or removing dust; Preventing explosions or fires
- E21F5/02—Means or methods for preventing, binding, depositing, or removing dust; Preventing explosions or fires by wetting or spraying
- E21F5/04—Spraying barriers
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F5/00—Means or methods for preventing, binding, depositing, or removing dust; Preventing explosions or fires
- E21F5/20—Drawing-off or depositing dust
Abstract
The invention discloses a kind of dedusting device for coal mine safety, including main body, recovering mechanism, the inner top side two sides of the main body are fixedly installed the first installs case respectively, second installs case, the inside of first installs case is movably installed with the first screw rod by bearing, the outside of first screw rod is movably installed with the first movable part by screw thread, it is flexibly connected between first movable part and the first installs case, first motor is fixedly installed by mounting base in the lower end of first movable part, the output shaft end of the first motor is fixedly installed the first mounting plate, the lower end of first mounting plate is fixedly installed first annular spray head, the side of first installs case is fixedly installed the second motor by mounting base, the output shaft end of second motor is fixedly connected with the first screw rod shaft.The present invention saves water convenient for achieving the purpose that water is recycled, and drops the output cost of low water usage, while having the purpose of final dusting.
Description
Technical field
The present invention relates to deduster field, specially a kind of dedusting device for coal mine safety.
Background technique
Coal mine is the mankind in the region of the mining area exploitation coal resources rich in coal, is generally divided into underground mine and outdoor coal
Mine.When coal seam is remote from earth's surface, it is typically chosen to underground and digs tunnel digging coal, this is underground mine.When coal seam is away from earth's surface
Distance it is close when, be typically chosen directly removing surface soil layer excavate coal, this is open coal mine.China's overwhelming majority coal mine category
In underground mine.Coal mine range includes the very big region of above and below ground and related facility.Coal mine is the mankind in digging rich in having
The proportional space excavated when the geological stratification of coal generally includes tunnel, well cave and face etc..Coal is most important solid
Fuel is one kind of kaustobilite.It is the plant in great numbers grown by certain geological epoch, in suitable geological environment
In, it is gradually accumulated into thick-layer, and be buried in water-bed or silt, is formed by very long geochronic geochronic natural incoalation
's.It is most with producing coal in the stratum in the Carboniferous Period, the Permian Period, Jurassic Period and the Tertiary Period in the world in Various Geolcgical Ages, it is important
Coal-forming age.The phosphorus content of coal is generally 46~97%, brown to black, has dim to metallic luster.According to coalification
The difference of degree, coal can be divided into peat, four class of lignite, bituminous coal and anthracite, and dust-extraction unit is commonly called as deduster, be to remove or reduce
The device of fly ash content in flue gas.The type of dust-extraction unit can be divided into biology and receive film dust-arrest device, cloud and mist dust-arrest device, cloud and mist
Dust-arrest device, bag-type dust collector, cyclone dust collector, wet dust separater, electrostatic precipitator, desulfation dust-extraction device.
Existing device has the disadvantage that
1, existing device dedusting is all by electrostatic precipitation, but electrostatic precipitation is possible to will cause dust explosion.
2, existing apparatus does not have the purpose of final dusting, while the degree of mixing of existing device water mist and dust is not high.
Summary of the invention
The purpose of the present invention is to provide a kind of dedusting device for coal mine safety, mentioned above in the background art to solve
Problem.
To achieve the above object, the invention provides the following technical scheme: a kind of dedusting device for coal mine safety, including master
Body, recovering mechanism, the inner top side two sides of the main body are fixedly installed the first installs case, the second installs case respectively, and described
The inside of one installs case is movably installed with the first screw rod by bearing, and the outside of first screw rod is movably installed with by screw thread
First movable part is flexibly connected between first movable part and the first installs case, and the lower end of first movable part passes through peace
It fills seat and first motor is fixedly installed, the output shaft end of the first motor is fixedly installed the first mounting plate, first installation
The lower end of plate is fixedly installed first annular spray head, and the side of first installs case is fixedly installed the second electricity by mounting base
Machine, the output shaft end of second motor are fixedly connected with the first screw rod shaft, the side fixed setting of first installs case
Have the second installs case, the inside of second installs case is movably installed with the second screw rod by bearing, second screw rod it is outer
Side is movably installed with the second movable part by screw thread, is flexibly connected between second movable part and the second installs case, and described
Third motor is fixedly installed by mounting base in the lower end of two movable parts, and the output shaft end of the third motor is fixedly installed second
Mounting plate, the lower end of second mounting plate are fixedly installed the second annular nozzle, and the side of second installs case passes through peace
Dress seat is fixedly installed the 4th motor, and the output shaft end of the 4th motor is fixedly connected with the second screw rod shaft, the main body
Inside two sides be fixedly installed blower mechanism respectively, the inner upper end two sides of the main body are fixedly installed vacuum cleaner respectively
Structure, the recovering mechanism are fixed at the lower end of main body, and the recovering mechanism includes sedimentation basin, pulsating pump, sewage pipe, described
Sedimentation basin is fixed at the lower end of main body, and the upper end side of the sedimentation basin is fixedly installed pulsating pump, the sedimentation basin
Lower end side is fixedly installed sewage pipe.
Further, the side of the main body is fixedly installed recycling bins close to the side of pulsating pump, the recycling bins
Water inlet end is fixedly connected by pipeline with the water outlet of pulsating pump.
Further, recycling bins upper end side is fixedly installed water injection pipe, and the outer surface of the recycling bins is fixed
Visual windows are provided with, the outer surface of the visual windows is fixedly installed scale.
Further, the upper end of the main body is fixedly installed suction pump, the water inlet end of the suction pump by mounting base
It is fixedly connected by pipeline with the water outlet of recycling bins, the water outlet of the suction pump is fixedly installed first by threeway head and leads
Pipe, the second conduit, first conduit, water inlet end of second conduit respectively with first annular spray head, the second annular nozzle are fixed
Connection, first conduit, the second conduit are respectively Universal pipe.
Further, first installs case, the second installs case inside two sides side wall offer sliding slot respectively, described
One movable part, the second movable part two sides be fixedly installed the sliding block to match with sliding slot respectively, the sliding block and sliding slot cooperate
Connection.
Further, the blower mechanism includes the first blower, the second blower, the first blowing is covered, the second blowing is covered, described
First blower, the second blower pass through the inside two sides that mounting base is fixed at main body, first blower, the second blower respectively
Outlet air end be fixedly installed respectively the first blowing cover, second blowing cover.
Further, the air outlet of the first blowing cover is upward, and the air outlet of the second blowing cover is downward.
Further, the dust collection mechanism includes exhaust fan, dust hood, and the exhaust fan is set by mounting base fixation respectively
It sets in the upper end two sides of main body, the exhaust fan air intake is fixedly installed dust hood.
Further, barrier net is fixedly installed between the sedimentation basin and lower body.
Further, the first motor, the second motor, third motor, the 4th motor outside be fixedly installed respectively
Dirt seal housing.
Compared with prior art, the beneficial effects of the present invention are:
1, first annular spray head, the second annular nozzle is arranged by setting in the present invention, is carried out by water injection pipe to recycling bins
The water of recycling bins is extracted and is delivered to first annular spray head, the second ring by the first conduit, the second conduit by water filling, starting suction pump
Shape spray head is rotated by the second motor of starting, the 4th motor, and the steering of the second motor, the 4th motor on the contrary, drive the in turn
The rotation of one screw rod, the second screw rod passes through so that first annular spray head, the second annular nozzle be driven to move in the opposite direction
First motor, third motor drive first annular spray head, the second annular nozzle rotating spraying, so that first annular spray head, second
The spraying range of annular nozzle expands, and then reaches spraying to Omnibearing even on the inside of main body, when main body on the inside of dust with
Water mist mixes more abundant, and the inside progress for passing through sedimentation basin in the inside of sedimentation basin is fallen with the mixed dust of water mist
Upper layer aqueous is delivered to recycling bins by starting pulsating pump and is recycled by precipitating, reaches water and water conservation is recycled
Purpose, the output cost of low water usage drops, and sedimentation basin is discharged by sewage pipe in the mixture of lower layer's muddiness；
2, the present invention passes through the first blower of starting blower mechanism, second by setting setting blower mechanism, dust collection mechanism
Blower, by the first blower, the second blower by the first blowing cover, the second blowing cover to being blowed on the inside of main body, thus will
The dust activation adhered on the inside of main body, while starting the exhaust fan of dust collection mechanism, dust is detached in main body by dust hood
Side achievees the purpose that final dusting.
Detailed description of the invention
Fig. 1 is a kind of dedusting device for coal mine safety overall structure diagram of the present invention；
Fig. 2 is the installation view of a kind of the first installs case of dedusting device for coal mine safety of the present invention, the second installs case；
Fig. 3 is the installation view of a kind of dedusting device for coal mine safety sliding slot of the present invention, sliding block.
In Fig. 1-3: 1, main body；2, the first installs case；21, the first screw rod；22, the first movable part；23, first motor；24,
First mounting plate；25, first annular spray head；26, the second motor；3, the second installs case；31, the second screw rod；32, the second activity
Part；33, third motor；34, the second mounting plate；35, the second annular nozzle；36, the 4th motor；4, blower mechanism；5, vacuum cleaner
Structure；6, recovering mechanism；7, sedimentation basin；71, net is obstructed；8, pulsating pump；9, sewage pipe；10, recycling bins；, 11, visual windows；12,
Suction pump；13, the first conduit；14, the second conduit；15, sliding slot；16, sliding block；17, the first blower；171, the second blower；18,
One blowing cover；181, the second blowing cover；19, exhaust fan；191, dust hood；20, dirt seal housing.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1-3 is please referred to, the present invention provides a kind of technical solution: a kind of dedusting device for coal mine safety, including main body 1,
Recovering mechanism 6, the inner top side two sides of the main body 1 are fixedly installed the first installs case 2, the second installs case 3 respectively, and described
The inside of one installs case 2 is movably installed with the first screw rod 21 by bearing, and the outside of first screw rod 21 passes through screw thread activity
First movable part 22 is installed, is flexibly connected between first movable part 22 and the first installs case 2, first movable part 22
Lower end first motor 23 is fixedly installed by mounting base, the output shaft end of the first motor 23 is fixedly installed the first installation
Plate 24, the lower end of first mounting plate 24 are fixedly installed first annular spray head 25, and the side of first installs case 2 passes through
Mounting base is fixedly installed the second motor 26, and the output shaft end of second motor 26 is fixedly connected with 21 shaft of the first screw rod,
The side of first installs case 2 is fixedly installed the second installs case 3, and the inside of second installs case 3 passes through bearing activity
Second screw rod 31 is installed, the outside of second screw rod 31 is movably installed with the second movable part 32 by screw thread, and described second
It is flexibly connected between movable part 32 and the second installs case 3, the lower end of second movable part 32 passes through mounting base fixed setting the
Three motors 33, the output shaft end of the third motor 33 are fixedly installed the second mounting plate 34, under second mounting plate 34
End is fixedly installed the second annular nozzle 35, and the side of second installs case 3 is fixedly installed the 4th motor by mounting base
36, the output shaft end of the 4th motor 36 is fixedly connected with 31 shaft of the second screw rod, and the inside two sides of the main body 1 are solid respectively
Surely it is provided with blower mechanism 4, the inner upper end two sides of the main body 1 are fixedly installed dust collection mechanism 5, the recovering mechanism respectively
6 are fixed at the lower end of main body 1, and the recovering mechanism 6 includes sedimentation basin 7, pulsating pump 8, sewage pipe 9, and the sedimentation basin 7 is solid
The lower end of main body 1 is set calmly, and the upper end side of the sedimentation basin 7 is fixedly installed pulsating pump 8, the lower end of the sedimentation basin 7
Side is fixedly installed sewage pipe 9.
The side of main body 1 of the present invention is fixedly installed recycling bins 10, the recycling bins 10 close to the side of pulsating pump 8
Water inlet end be fixedly connected with the water outlet of pulsating pump 8 by pipeline, be convenient for recycling aqueous.
10 upper end side of recycling bins of the present invention is fixedly installed water injection pipe, and the outer surface of the recycling bins 10 is fixed
Visual windows 11 are provided with, the outer surface of the visual windows 11 is fixedly installed scale, convenient for 10 inside of observation recycling bins
Level condition.
The upper end of main body 1 of the present invention is fixedly installed suction pump 12, the water inlet of the suction pump 12 by mounting base
End is fixedly connected by pipeline with the water outlet of recycling bins 10, and the water outlet of the suction pump 12 is fixedly installed by threeway head
First conduit 13, the second conduit 14, first conduit 13, the second conduit 14 are annular with first annular spray head 25, second respectively
The water inlet end of spray head 35 is fixedly connected, and first conduit 13, the second conduit 14 are respectively Universal pipe, convenient for being first annular spray
First 25, second annular nozzle 35 supplies water and Universal pipe is in order not to interfering the movement of first annular spray head 25, the second annular nozzle 35.
First installs case 2 of the present invention, the second installs case 3 inside two sides side wall offer sliding slot 15 respectively, it is described
First movable part 22, the second movable part 32 two sides be fixedly installed the sliding block 16 to match with sliding slot 15, the sliding block respectively
16 are cooperatively connected with sliding slot 15, have guiding role to the first movable part 22, the second movable part 32.
Blower mechanism 4 of the present invention includes the first blower 17, the second blower 171, first blowing cover the 18, second blowing cover
181, first blower 17, the second blower 171 are fixed at the inside two sides of main body 1 by mounting base respectively, and described
One blower 17, the second blower 171 outlet air end be fixedly installed respectively the first blowing cover 18, second blowing cover 181, convenient for activation
The dust adhered on the inside of main body 1.
The air outlet of first blowing cover 18 of the present invention is upward, and the air outlet of the second blowing cover 181 is downward, is convenient for
Blow dust.
Dust collection mechanism 5 of the present invention includes exhaust fan 19, dust hood 191, and the exhaust fan 19 passes through mounting base respectively
The upper end two sides of main body 1 are fixed at, 19 air intake of exhaust fan is fixedly installed dust hood 191, convenient for in main body 1
Side carries out dust suction dedusting.
It is fixedly installed barrier net 71 between 1 lower end of sedimentation basin 7 of the present invention and main body, avoids falling sedimentation basin.
First motor 23 of the present invention, the second motor 26, third motor 33, the 4th motor 36 fixation is set respectively in outside
It is equipped with dirt seal housing 20, guarantees the stable operation of first motor 23, the second motor 26, third motor 33, the 4th motor 36.
Working principle: in use, filling the water by water injection pipe to recycling bins 10, start suction pump 12 for recycling bins 10
Water, which is extracted, is delivered to first annular spray head 25, the second annular nozzle 35 by the first conduit 13, the second conduit 14, passes through starting the
Two motors 26, the 4th motor 36 rotation, and the second motor 26, the 4th motor 36 steering on the contrary, drive in turn the first screw rod 21,
The rotation of second screw rod 31 passes through so that first annular spray head 25, the second annular nozzle 35 be driven to move in the opposite direction
One motor 23, third motor 33 drive first annular spray head 25,35 rotating spraying of the second annular nozzle, so that first annular spray head
25, the spraying range of the second annular nozzle 35 expands, and then reaches spraying to 1 inside Omnibearing even of main body, so that in main body 1
The dust of side mixes more abundant with water mist, falls the inside in sedimentation basin 7 with the mixed dust of water mist, passes through sedimentation basin
7 inside is precipitated, and upper layer aqueous is delivered to recycling bins 10 by starting pulsating pump 8 and is recycled, reaches water and follows
Ring drops the output cost of low water usage using the purpose saved water, and sedimentation basin is discharged by sewage pipe 9 in the mixture of lower layer's muddiness
7, by starting the first blower 17, the second blower 171 of blower mechanism 4, pass through the by the first blower 17, the second blower 171
It is blowed on the inside of one blowing cover the 18, second blowing 181 pairs of main bodys 1 of cover, to the dust adhered on the inside of main body 1 be activated, together
Dust is detached the inside of main body 1 by dust hood 191, reaches the mesh of final dusting by the exhaust fan 19 of Shi Qidong dust collection mechanism 5
's.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (10)
1. a kind of dedusting device for coal mine safety, including main body (1), recovering mechanism (6), it is characterised in that: the main body (1)
Inner top side two sides are fixedly installed the first installs case (2), the second installs case (3), the inside of first installs case (2) respectively
It is movably installed with the first screw rod (21) by bearing, the outside of first screw rod (21) is movably installed with first by screw thread and lives
Moving part (22) is flexibly connected between first movable part (22) and the first installs case (2), under first movable part (22)
First motor (23) are fixedly installed by mounting base in end, and the output shaft end of the first motor (23) is fixedly installed the first installation
The lower end of plate (24), first mounting plate (24) is fixedly installed first annular spray head (25), first installs case (2)
Side is fixedly installed the second motor (26) by mounting base, the output shaft end and the first screw rod (21) of second motor (26)
Shaft is fixedly connected, and the side of first installs case (2) is fixedly installed the second installs case (3), second installs case (3)
Inside be movably installed with the second screw rod (31) by bearing, the outside of second screw rod (31) is movably installed with by screw thread
Second movable part (32) is flexibly connected, second movable part between second movable part (32) and the second installs case (3)
(32) third motor (33) are fixedly installed by mounting base in lower end, and the output shaft end of the third motor (33) is fixedly installed
The lower end of second mounting plate (34), second mounting plate (34) is fixedly installed the second annular nozzle (35), second peace
The case side of (3) is fixedly installed the 4th motor (36) by mounting base, the output shaft end of the 4th motor (36) and the
Two screw rods (31) shaft is fixedly connected, and the inside two sides of the main body (1) are fixedly installed blower mechanism (4), the master respectively
The inner upper end two sides of body (1) are fixedly installed dust collection mechanism (5) respectively, and the recovering mechanism (6) is fixed at main body (1)
Lower end, the recovering mechanism (6) includes sedimentation basin (7), pulsating pump (8), sewage pipe (9), sedimentation basin (7) fixed setting
It is fixedly installed pulsating pump (8) in the upper end side of the lower end of main body (1), the sedimentation basin (7), under the sedimentation basin (7)
End side is fixedly installed sewage pipe (9).
2. a kind of dedusting device for coal mine safety according to claim 1, it is characterised in that: the side of the main body (1)
Side close to pulsating pump (8) is fixedly installed recycling bins (10), and the water inlet end of the recycling bins (10) passes through pipeline and water suction
The water outlet of pump (8) is fixedly connected.
3. a kind of dedusting device for coal mine safety according to claim 2, it is characterised in that: recycling bins (10) upper end
Side is fixedly installed water injection pipe, and the outer surface of the recycling bins (10) is fixedly installed visual windows (11), described visual
The outer surface of window (11) is fixedly installed scale.
4. a kind of dedusting device for coal mine safety according to claim 1, it is characterised in that: the upper end of the main body (1)
It is fixedly installed suction pump (12) by mounting base, the water inlet end of the suction pump (12) is gone out by pipeline and recycling bins (10)
Water end (W.E.) is fixedly connected, and the water outlet of the suction pump (12) is fixedly installed the first conduit (13), the second conduit by threeway head
(14), first conduit (13), the second conduit (14) respectively with first annular spray head (25), the second annular nozzle (35) into
Water end (W.E.) is fixedly connected, and first conduit (13), the second conduit (14) are respectively Universal pipe.
5. a kind of dedusting device for coal mine safety according to claim 4, it is characterised in that: first installs case (2),
The inside two sides side wall of second installs case (3) offers sliding slot (15) respectively, first movable part (22), the second movable part
(32) two sides are fixedly installed the sliding block (16) to match with sliding slot (15) respectively, and the sliding block (16) and sliding slot (15) cooperate
Connection.
6. a kind of dedusting device for coal mine safety according to claim 1, it is characterised in that: blower mechanism (4) packet
Include the first blower (17), the second blower (171), first blowing cover (18), second blowing cover (181), first blower (17),
Second blower (171) is fixed at the inside two sides of main body (1), first blower (17), second by mounting base respectively
The outlet air end of blower (171) is fixedly installed the first blowing cover (18), the second blowing cover (181) respectively.
7. a kind of dedusting device for coal mine safety according to claim 6, it is characterised in that: the first blowing cover (18)
Air outlet it is upward, it is described second blowing cover (181) air outlet it is downward.
8. a kind of dedusting device for coal mine safety according to claim 1, it is characterised in that: dust collection mechanism (5) packet
Exhaust fan (19), dust hood (191) are included, the exhaust fan (19) is fixed at the upper end of main body (1) by mounting base respectively
Two sides, exhaust fan (19) air intake are fixedly installed dust hood (191).
9. a kind of dedusting device for coal mine safety according to claim 1, it is characterised in that: the sedimentation basin (7) and master
Barrier net (71) is fixedly installed between body (1) lower end.
10. a kind of dedusting device for coal mine safety according to claim 1, it is characterised in that: the first motor (23),
Second motor (26), third motor (33), the 4th motor (36) outside be fixedly installed dirt seal housing (20) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810671577.3A CN108678799B (en) | 2018-06-26 | 2018-06-26 | A kind of dedusting device for coal mine safety |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810671577.3A CN108678799B (en) | 2018-06-26 | 2018-06-26 | A kind of dedusting device for coal mine safety |
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| Publication Number | Publication Date |
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| CN108678799A CN108678799A (en) | 2018-10-19 |
| CN108678799B true CN108678799B (en) | 2019-08-20 |
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| CN201810671577.3A Expired - Fee Related CN108678799B (en) | 2018-06-26 | 2018-06-26 | A kind of dedusting device for coal mine safety |
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| CN109647097B (en) * | 2018-12-17 | 2023-09-26 | 宁波市政工程建设集团股份有限公司 | Construction dust control method |
| CN110508073A (en) * | 2019-08-30 | 2019-11-29 | 贵州大学 | A kind of mining dust-extraction unit easy to remove |
| CN111005752B (en) * | 2019-12-10 | 2021-04-13 | 山东大学 | Tunnel dust removal vehicle |
| CN111042853A (en) * | 2020-01-13 | 2020-04-21 | 永康悠长矿产开采技术有限公司 | Dust removal mine safety device capable of achieving water circulation |
| CN111282391B (en) * | 2020-05-12 | 2020-08-04 | 山东交通职业学院 | Environment-friendly dust purification system for cement loading and unloading production line |
| CN113601973A (en) * | 2021-08-06 | 2021-11-05 | 长胜纺织科技发展(上海)有限公司 | Moistening processing equipment and moistening processing method |
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| CN204238974U (en) * | 2014-09-24 | 2015-04-01 | 山东国华矿业工程有限公司 | For the dedusting sprinkling truck in coal mine roadway |
| CN105257331A (en) * | 2015-10-14 | 2016-01-20 | 灌阳县鸿运矿山设备有限公司 | Mine wet type dust removing device |
| CN206816292U (en) * | 2017-05-26 | 2017-12-29 | 江苏鼎甲科技有限公司 | A kind of water circulation type wet shot dust arrester for underground coal mine |
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| CN108678799A (en) | 2018-10-19 |
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