CN111946388B - Colliery dust fall board and colliery dust device - Google Patents
Colliery dust fall board and colliery dust device Download PDFInfo
- Publication number
- CN111946388B CN111946388B CN202010825517.XA CN202010825517A CN111946388B CN 111946388 B CN111946388 B CN 111946388B CN 202010825517 A CN202010825517 A CN 202010825517A CN 111946388 B CN111946388 B CN 111946388B
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- Prior art keywords
- plate body
- plate
- coal mine
- slide rail
- dust
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- 239000000428 dust Substances 0.000 title claims abstract description 85
- 239000003245 coal Substances 0.000 claims abstract description 43
- 238000004140 cleaning Methods 0.000 claims abstract description 18
- 238000005406 washing Methods 0.000 claims abstract description 12
- 239000007788 liquid Substances 0.000 claims description 19
- 238000003860 storage Methods 0.000 claims description 12
- 238000001914 filtration Methods 0.000 claims description 7
- 238000010521 absorption reaction Methods 0.000 claims description 3
- 239000011148 porous material Substances 0.000 claims 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 24
- 238000010276 construction Methods 0.000 abstract description 8
- 239000003595 mist Substances 0.000 abstract description 7
- 238000005507 spraying Methods 0.000 abstract description 3
- 238000009825 accumulation Methods 0.000 abstract description 2
- 239000007921 spray Substances 0.000 description 12
- 238000011010 flushing procedure Methods 0.000 description 5
- 238000005065 mining Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 238000005422 blasting Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 230000005641 tunneling Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/30—Cleaning by methods involving the use of tools by movement of cleaning members over a surface
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
- B08B15/04—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area from a small area, e.g. a tool
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/02—Cleaning by the force of jets or sprays
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK 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
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Nozzles (AREA)
Abstract
The invention discloses a coal mine dust falling plate and a coal mine dust falling device, wherein the plate body is arranged in a construction area, a large amount of water mist is sprayed out of an atomizing nozzle, raised dust in the air is adsorbed and falls onto the plate body, meanwhile, a bearing driving motor drives an inner rotating blade to rotate on a bearing support, so that the raised dust in the air is adsorbed into an accommodating cavity, a ball screw drives a cleaning push plate to slide on the surface of the plate body, the dust on the surface of the plate body is cleaned and is accommodated to a position close to a feed hole, and the dust is washed into the feed hole by a washing nozzle, so that water drops with dust are accommodated, and water accumulation in a coal mine roadway caused by directly spraying water mist is avoided.
Description
Technical Field
The invention relates to the technical field of coal mining, in particular to a coal mine dust falling plate and a coal mine dust falling device.
Background
At present, in the process of coal mining, various links such as drilling, blasting, tunneling, coal mining operation, roof management, coal loading and transportation and the like can generate a large amount of dust, and due to the fact that geological conditions and physical properties of coal and rock are different, different mines have different mining modes, operation methods, ventilation conditions and mechanization degrees, and the situations of dust places are not the same.
A large amount of raise dusts that produce in the coal mine production process, current dust fall measure is through the water spray dust fall, but because coal mine tunnel space is narrow, the ground that falls to coal mine tunnel after the water smoke that sprays and the raise dusts contact causes a large amount of ponding in the coal mine tunnel to influence the normal production in colliery.
Disclosure of Invention
The invention aims to provide a coal mine dust fall plate and a coal mine dust fall device, and aims to solve the technical problem that in the prior art, water spray is used for dust fall, but the space of a coal mine tunnel is narrow, sprayed water mist and raised dust fall to the ground of the coal mine tunnel after contacting, a large amount of water is accumulated in the coal mine tunnel, and the normal production of a coal mine is affected.
In order to achieve the purpose, the coal mine dust fall plate comprises a plate body and a dust collection assembly; the plate body is provided with an accommodating cavity and a feeding hole, the accommodating cavity is positioned inside the plate body, and the feeding hole penetrates through the plate body and is communicated with the accommodating cavity; the dust collection assembly comprises an atomizing nozzle, a bearing support, an internal rotation blade, a bearing driving motor and a dust falling component, the atomizing nozzle is fixedly connected with the plate body and is positioned on one side of the plate body, which is far away from the feeding hole, the bearing support is fixedly connected with the plate body and is positioned inside the feeding hole, the internal rotation blade is rotatably connected with the bearing support and is positioned on one side of the bearing support, which is far away from the accommodating cavity, the bearing driving motor is fixedly connected with the bearing support, and an output shaft is fixedly connected with the internal rotation blade and is positioned on one side of the bearing support, which is close to the internal rotation blade; the dust fall component is including washing terminals, horizontal slide rail, clean push pedal and ball screw, washing terminals with plate body fixed connection, and be located the plate body is close to one side of internal rotation blade, horizontal slide rail with plate body fixed connection, and be located the plate body is close to one side of internal rotation blade, clean push pedal with horizontal slide rail sliding connection, and be located horizontal slide rail is close to one side of internal rotation blade, ball screw with horizontal slide rail rotates to be connected, and with clean push pedal rotates to be connected, and is located horizontal slide rail is close to one side of clean push pedal.
The ball screw comprises a threaded screw rod and a screw rod driving motor, and the threaded screw rod is rotatably connected with the transverse slide rail and is positioned inside the transverse slide rail; the screw rod driving motor is fixedly connected with the transverse sliding rail, an output shaft is fixedly connected with the threaded screw rod, and the output shaft is positioned on one side, close to the threaded screw rod, of the transverse sliding rail.
The ball screw further comprises a guide sliding block, the guide sliding block is fixedly connected with the cleaning push plate, is connected with the transverse sliding rail in a sliding mode, and is rotatably connected with the threaded screw rod, and the guide sliding block is located on one side, close to the cleaning push plate, of the transverse sliding rail.
The ball screw further comprises a rotary bearing, the rotary bearing is rotatably connected with the transverse sliding rail, fixedly connected with the threaded screw rod and located on one side, close to the threaded screw rod, of the transverse sliding rail.
The plate body is further provided with a filter hole, and the filter hole is located on one side, close to the feed hole, of the plate body, penetrates through the plate body and is communicated with the accommodating cavity.
The dust fall component further comprises a filter screen, and the filter screen is fixedly connected with the plate body and located inside the containing cavity.
Wherein, the dust absorption subassembly still includes the liquid reserve tank, the liquid reserve tank with plate body fixed connection to through the pipe with atomizer connects, and through the pipe with washing terminals connects, the liquid reserve tank is located the plate body is kept away from one side of internal rotation blade.
Wherein, dust absorption component still includes the booster pump, the booster pump with liquid reserve tank fixed connection to through the pipe with atomizer connects, and through the pipe with wash shower nozzle connects, the booster pump is located the liquid reserve tank is kept away from one side of plate body.
The invention further comprises a coal mine dust falling device which comprises the coal mine dust falling plate and a horizontal transfer slide rail, wherein the horizontal transfer slide rail is connected with the plate body in a sliding mode and is positioned on one side, far away from the internal rotation blade, of the plate body.
According to the coal mine dust falling plate and the coal mine dust falling device, the plate body is arranged in a construction area, the atomizing nozzles spray a large amount of water mist, so that the dust in the air is adsorbed and falls onto the plate body, meanwhile, the bearing driving motor drives the internal rotating blades to rotate on the bearing support, the dust in the air is adsorbed into the accommodating cavity, the ball screw drives the cleaning push plate to slide on the surface of the plate body, the dust on the surface of the plate body is cleaned and stored to a position close to the feeding hole, the flushing nozzles flush the dust into the feeding hole, water drops with the dust are stored, and water accumulation in a coal mine roadway caused by direct spraying of water mist is avoided.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural view of a dust falling member of the present invention.
Fig. 2 is a schematic view of the structure of the dust suction assembly of the present invention.
Fig. 3 is a schematic view of the structure of the ball screw of the present invention.
FIG. 4 is a schematic view of the installation structure of the liquid storage tank and the booster pump of the present invention.
Fig. 5 is a schematic view of the connection structure of the horizontal transfer sliding rail and the plate body of the invention.
In the figure: the dust collection device comprises a plate body 1, a dust collection component 2, a containing cavity 11, a feeding hole 12, a filtering hole 13, an atomizing spray head 21, a bearing support 22, an internal rotating blade 23, a bearing driving motor 24, a dust falling component 25, a liquid storage tank 26, a booster pump 27, a coal mine dust falling plate 100, a horizontal transfer sliding rail 200, a coal mine dust falling device 300, a flushing spray head 251, a transverse sliding rail 252, a cleaning push plate 253, a ball screw 254, a filtering net 255, a threaded screw 2541, a screw driving motor 2542, a guide sliding block 2543 and a rotary bearing 2544.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention. Further, in the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Referring to fig. 1 to 3, the invention provides a coal mine dust fall plate 100, which includes a plate body 1 and a dust suction assembly 2; the plate body 1 is provided with an accommodating cavity 11 and a feeding hole 12, the accommodating cavity 11 is positioned inside the plate body 1, and the feeding hole 12 penetrates through the plate body 1 and is communicated with the accommodating cavity 11; the dust collection assembly 2 comprises an atomizing nozzle 21, a bearing support 22, an internal rotation blade 23, a bearing driving motor 24 and a dust falling component 25, wherein the atomizing nozzle 21 is fixedly connected with the plate body 1 and is positioned on one side of the plate body 1 far away from the feeding hole 12, the bearing support 22 is fixedly connected with the plate body 1 and is positioned inside the feeding hole 12, the internal rotation blade 23 is rotatably connected with the bearing support 22 and is positioned on one side of the bearing support 22 far away from the accommodating cavity 11, the bearing driving motor 24 is fixedly connected with the bearing support 22, and an output shaft is fixedly connected with the internal rotation blade 23 and is positioned on one side of the bearing support 22 close to the internal rotation blade 23; the dust-settling member 25 comprises a washing nozzle 251, a transverse slide rail 252, a cleaning push plate 253 and a ball screw 254, the washing nozzle 251 is fixedly connected with the plate body 1 and is located on one side of the plate body 1 close to the internal rotation blade 23, the transverse slide rail 252 is fixedly connected with the plate body 1 and is located on one side of the plate body 1 close to the internal rotation blade 23, the cleaning push plate 253 is slidably connected with the transverse slide rail 252 and is located on one side of the transverse slide rail 252 close to the internal rotation blade 23, and the ball screw 254 is rotatably connected with the transverse slide rail 252 and is rotatably connected with the cleaning push plate 253 and is located on one side of the transverse slide rail 252 close to the cleaning push plate 253.
In this embodiment, the plate body 1 is a rectangular plate and is installed on the side wall of a coal mine to isolate a construction area, the inside of the plate body 1 is provided with the accommodating cavity 11, the plate body 1 is provided with the feed hole 12 towards one side of the construction area, the feed hole 12 is communicated with the accommodating cavity 11, the atomizer 21 is installed on the plate body 1 towards one side of the construction area by threads, the number of the atomizer 21 is multiple, and the atomizer is located at multiple ends of the plate body 1, so that the dust fall area is wider, the bearing support 22 is installed in the feed hole 12 by threads, a bearing is installed on the bearing support 22, the inner rotating blade 23 is rotatably connected with the bearing support 22 by the bearing, the shell thread of the bearing driving motor 24 is fixed on the bearing support 22, the output shaft of the bearing driving motor 24 drives the inner rotating blade 23 to rotate, the arc-shaped surface of the inner rotating blade 23 faces the inside of the accommodating cavity 11, so that the inner rotating blade 23 blows external air into the accommodating cavity 11 under the driving of the bearing driving motor 24, and thus, the raised dust can be accommodated; the water mist sprayed by the atomizing spray head 21 enables the dust in the air to fall down and to be adsorbed on the surface of the plate body 1, the ball screw 254 drives the cleaning push plate 253 to slide on the transverse slide rail 252, the bottom of the cleaning push plate 253 is provided with a brush which can clean the dust particles on the surface of the plate body 1, the flushing spray head 251 sprays water towards the direction of the feed port 12, so that the accumulated dust is fed into the accommodating cavity 11 from the feed port 12, thus the plate body 1 is installed in a construction area, the atomizing spray head 21 sprays a large amount of water mist, the dust in the air is adsorbed and dropped on the plate body 1, meanwhile, the bearing driving motor 24 drives the inner rotating blades 23 to rotate on the bearing support 22, so that the dust in the air is adsorbed in the accommodating cavity 11, and the ball screw 254 drives the cleaning push plate 253 to slide on the surface of the plate body 1, it is right the dust on plate body 1 surface is cleared up to accomodate and be close to the position of feed port 12, washing terminals 251 washes the dust extremely in the feed port 12 to accomodate the drop of water that has the dust, avoided directly spraying the water smoke and caused ponding in the coal mine tunnel.
Further, referring to fig. 3, the ball screw 254 includes a screw 2541 and a screw driving motor 2542, the screw 2541 is rotatably connected to the transverse slide rail 252 and is located inside the transverse slide rail 252; the screw rod driving motor 2542 is fixedly connected with the transverse slide rail 252, and an output shaft is fixedly connected with the threaded screw rod 2541 and is located on one side of the transverse slide rail 252 close to the threaded screw rod 2541.
In the present embodiment, it is preferred that,
further, referring to fig. 3, the ball screw 254 further includes a guiding slider 2543, the guiding slider 2543 is fixedly connected to the cleaning push plate 253, slidably connected to the transverse slide rail 252, and rotatably connected to the threaded screw 2541, and the guiding slider 2543 is located on one side of the transverse slide rail 252 close to the cleaning push plate 253.
In this embodiment, an end portion of the cleaning push plate 253 is fixed to the guide slider 2543 by a screw, the guide slider 2543 has a screw hole therein, and the screw rod 2541 penetrates through the screw hole of the guide slider 2543 and is driven by the screw rod driving motor 2542 to rotate, so that the guide slider 2543 and the cleaning push plate 253 are driven to slide together.
Further, referring to fig. 3, the ball screw 254 further includes a rotary bearing 2544, and the rotary bearing 2544 is rotatably connected to the transverse slide rail 252, is fixedly connected to the threaded screw 2541, and is located at a side of the transverse slide rail 252 close to the threaded screw 2541.
In this embodiment, the outer shell of the rotary bearing 2544 is screwed to the lateral slide rail 252 and is screwed to the screw rod 2541 by an inner ring, and the rotary bearing 2544 is rotated by the ball inside, so that the screw rod 2541 is rotatably connected to the lateral slide rail 252.
Further, referring to fig. 1, the plate body 1 further has a filter hole 13, and the filter hole 13 is located on one side of the plate body 1 close to the feeding hole 12, penetrates through the plate body 1, and is communicated with the accommodating cavity 11.
In this embodiment, the plate body 1 has a plurality of filtering holes 13, and the filtering holes 13 are located on one side of the plate body 1 close to the construction area and are communicated with the accommodating cavity 11, so that water with dust sprayed from the flushing nozzle 251 can enter the accommodating cavity 11 through the filtering holes 13, and the water with dust adsorbed on the surface of the plate body 1 is prevented from being accumulated.
Further, referring to fig. 3, the dust falling member 25 further includes a filter screen 255, and the filter screen 255 is fixedly connected to the plate body 1 and is located inside the accommodating cavity 11.
In this embodiment, the end of the filter screen 255 is mounted on the inner side wall of the accommodating cavity 11 through a bracket, so that the filter screen 255 covers the cross section of the accommodating cavity 11, the water entering from the filter hole 13 and the feed hole 12 can reach the filter screen 255, and the filter screen 255 filters the water with dust, so that the clean water can be reused.
Further, referring to fig. 4, the dust collection assembly 2 further includes a liquid storage tank 26, the liquid storage tank 26 is fixedly connected to the plate body 1, connected to the atomizer 21 through a conduit, and connected to the washing nozzle 251 through a conduit, and the liquid storage tank 26 is located on a side of the plate body 1 away from the internal rotation blade 23.
In the present embodiment, the reservoir tank 26 is screwed to the bottom of the plate body 1 and penetrates the inside of the accommodating chamber 11, so that water filtered by the filter screen 255 enters the reservoir tank 26 and can be reused.
Further, referring to fig. 5, the dust collection assembly 2 further includes a booster pump 27, the booster pump 27 is fixedly connected to the liquid storage tank 26, connected to the atomizer 21 through a conduit, and connected to the flushing nozzle 251 through a conduit, and the booster pump 27 is located on a side of the liquid storage tank 26 away from the plate body 1.
In this embodiment, the pressurizing pump 27 is screwed on the outer surface of the liquid storage tank 26 and is connected to the atomizer 21 and the rinse nozzle 251 through pipes, so as to pressurize the atomizer 21 and the rinse nozzle 251, and thus the atomizer 21 and the rinse nozzle 251 can spray more widely.
Referring to fig. 5, a coal mine dust falling device 300 includes the coal mine dust falling plate 100, and further includes a horizontal transfer slide rail 200, where the horizontal transfer slide rail 200 is slidably connected to the plate body 1 and is located on one side of the plate body 1 away from the internal rotation blade 23.
In this embodiment, install drive belt and motor drive in the horizontal transport slide rail 200, will plate body 1 installs on the drive belt to the drive belt rotates, thereby will plate body 1 carries out horizontal sideslip, and then makes plate body 1 can remove dust to a plurality of construction stations.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (9)
1. A coal mine dust fall plate is characterized by comprising a plate body and a dust collection assembly;
the plate body is provided with an accommodating cavity and a feeding hole, the accommodating cavity is positioned inside the plate body, and the feeding hole penetrates through the plate body and is communicated with the accommodating cavity;
the dust collection assembly comprises an atomizing nozzle, a bearing support, an internal rotation blade, a bearing driving motor and a dust falling component, the atomizing nozzle is fixedly connected with the plate body and is positioned on one side of the plate body, which is far away from the feeding hole, the bearing support is fixedly connected with the plate body and is positioned inside the feeding hole, the internal rotation blade is rotatably connected with the bearing support and is positioned on one side of the bearing support, which is far away from the accommodating cavity, the bearing driving motor is fixedly connected with the bearing support, and an output shaft is fixedly connected with the internal rotation blade and is positioned on one side of the bearing support, which is close to the internal rotation blade;
the dust fall component is including washing terminals, horizontal slide rail, clean push pedal and ball screw, washing terminals with plate body fixed connection, and be located the plate body is close to one side of internal rotation blade, horizontal slide rail with plate body fixed connection, and be located the plate body is close to one side of internal rotation blade, clean push pedal with horizontal slide rail sliding connection, and be located horizontal slide rail is close to one side of internal rotation blade, ball screw with horizontal slide rail rotates to be connected, and with clean push pedal rotates to be connected, and is located horizontal slide rail is close to one side of clean push pedal.
2. The coal mine dust fall plate of claim 1,
the ball screw comprises a threaded screw and a screw driving motor, and the threaded screw is rotatably connected with the transverse slide rail and is positioned inside the transverse slide rail; the screw rod driving motor is fixedly connected with the transverse sliding rail, an output shaft is fixedly connected with the threaded screw rod, and the output shaft is positioned on one side, close to the threaded screw rod, of the transverse sliding rail.
3. The coal mine dust fall plate of claim 2,
the ball screw further comprises a guide sliding block, the guide sliding block is fixedly connected with the cleaning push plate, is connected with the transverse sliding rail in a sliding mode, and is connected with the threaded screw rod in a rotating mode, and the guide sliding block is located on one side, close to the cleaning push plate, of the transverse sliding rail.
4. The coal mine dust fall plate of claim 2,
the ball screw further comprises a rotary bearing, the rotary bearing is rotatably connected with the transverse sliding rail, fixedly connected with the threaded screw rod and located on one side, close to the threaded screw rod, of the transverse sliding rail.
5. The coal mine dust fall plate of claim 1,
the plate body still has the filtration pore, the filtration pore is located the plate body is close to one side of feed port, and run through the plate body, and with hold the chamber and link up.
6. The coal mine dust fall plate of claim 1,
the dust fall component further comprises a filter screen, and the filter screen is fixedly connected with the plate body and is located inside the containing cavity.
7. The coal mine dust fall plate of claim 1,
the dust collection assembly further comprises a liquid storage tank, the liquid storage tank is fixedly connected with the plate body and is connected with the atomizing nozzle through a guide pipe, the liquid storage tank is connected with the washing nozzle through a guide pipe, and the liquid storage tank is located on one side of the inner rotating blade, which is far away from the plate body.
8. The coal mine dust fall plate of claim 7,
dust absorption assembly still includes the booster pump, the booster pump with liquid reserve tank fixed connection to through the pipe with atomizer connects, and through the pipe with washing terminals connects, the booster pump is located the liquid reserve tank is kept away from one side of plate body.
9. A coal mine dust fall device, comprising the coal mine dust fall plate of claim 1, and further comprising a horizontal transfer slide rail, wherein the horizontal transfer slide rail is slidably connected with the plate body and is positioned on one side of the plate body, which is far away from the internal rotation blade.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010825517.XA CN111946388B (en) | 2020-08-17 | 2020-08-17 | Colliery dust fall board and colliery dust device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010825517.XA CN111946388B (en) | 2020-08-17 | 2020-08-17 | Colliery dust fall board and colliery dust device |
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| Publication Number | Publication Date |
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| CN111946388A CN111946388A (en) | 2020-11-17 |
| CN111946388B true CN111946388B (en) | 2022-01-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010825517.XA Active CN111946388B (en) | 2020-08-17 | 2020-08-17 | Colliery dust fall board and colliery dust device |
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| CN (1) | CN111946388B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU542833A1 (en) * | 1974-11-06 | 1977-01-15 | Донецкий Государсвтенный Проектно-Конструкторский И Экспериментальный Институт | Dust collection device |
| CN103410555A (en) * | 2013-09-01 | 2013-11-27 | 李茜 | Gallery dust remover for coal mine safety production |
| CN109854267A (en) * | 2018-11-28 | 2019-06-07 | 卢小玲 | A kind of protective device of tunnel boring machine |
| CN211052070U (en) * | 2019-10-29 | 2020-07-21 | 山东科技大学 | Dust collector for underground excavation |
-
2020
- 2020-08-17 CN CN202010825517.XA patent/CN111946388B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU542833A1 (en) * | 1974-11-06 | 1977-01-15 | Донецкий Государсвтенный Проектно-Конструкторский И Экспериментальный Институт | Dust collection device |
| CN103410555A (en) * | 2013-09-01 | 2013-11-27 | 李茜 | Gallery dust remover for coal mine safety production |
| CN109854267A (en) * | 2018-11-28 | 2019-06-07 | 卢小玲 | A kind of protective device of tunnel boring machine |
| CN211052070U (en) * | 2019-10-29 | 2020-07-21 | 山东科技大学 | Dust collector for underground excavation |
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| CN111946388A (en) | 2020-11-17 |
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