CN112901248A - Height-adjustable spraying dust-settling device for underground coal mine - Google Patents
Height-adjustable spraying dust-settling device for underground coal mine Download PDFInfo
- Publication number
- CN112901248A CN112901248A CN202110061725.1A CN202110061725A CN112901248A CN 112901248 A CN112901248 A CN 112901248A CN 202110061725 A CN202110061725 A CN 202110061725A CN 112901248 A CN112901248 A CN 112901248A
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- water
- fixed mounting
- mounting
- water pump
- box
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- 239000003245 coal Substances 0.000 title claims abstract description 16
- 238000005507 spraying Methods 0.000 title description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 103
- 239000000428 dust Substances 0.000 claims abstract description 34
- 239000007921 spray Substances 0.000 claims abstract description 28
- 230000001681 protective effect Effects 0.000 claims abstract description 11
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 6
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 6
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 6
- 241001330002 Bambuseae Species 0.000 claims description 5
- 239000011425 bamboo Substances 0.000 claims description 5
- 244000309464 bull Species 0.000 claims description 4
- 230000006978 adaptation Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 4
- 230000002457 bidirectional effect Effects 0.000 abstract 1
- 239000007788 liquid Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 241000209128 Bambusa Species 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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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
- E21F5/02—Means or methods for preventing, binding, depositing, or removing dust; Preventing explosions or fires by wetting or spraying
- E21F5/04—Spraying barriers
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The invention discloses a height-adjustable spray dust-settling device in a coal mine, which comprises a movable mounting plate, wherein a water storage tank and a first mounting box are respectively and fixedly mounted on the upper surface of the movable mounting plate, a first water pump is fixedly mounted on the inner wall of the first mounting box, the water outlet end of the first water pump is fixedly connected with a connecting pipe, one end, far away from the first water pump, of the connecting pipe extends into the water storage tank, the water inlet end of the first water pump is communicated with an external water source through a water pipe, and a bidirectional motor and a protective box are respectively and fixedly mounted on the upper surface of the water storage tank. This colliery is spray dust device of increaseing in pit through setting up storage water tank, two-way motor, guard box, vertical screw post, internal thread adjusting cylinder, first conical gear and second conical gear, makes this dust device at the in-process of in-service use, can start the two-way motor according to the actual conditions in the pit in the colliery and realize having improved this dust device's practicality to the regulation of atomizing nozzle height.
Description
Technical Field
The invention relates to the technical field of dust settling devices, in particular to a height-adjustable spray dust settling device for an underground coal mine.
Background
In the production process of the coal mine, the coal mine is usually arranged at the bottom of the ground and is produced in a relatively closed environment, a large amount of dust is generated in the production process, and people can seriously affect the health of people when working in the dust environment for a long time.
The dust device that uses is fixed structure mostly in the pit in current colliery, and it can't adjust its height according to actual conditions, and the practicality is relatively poor, and most of them can only spray the dust fall to an orientation in addition, and small part is little though can spray to the all-round, but the distance of spraying on the one hand receives the restriction, and on the other hand needs to adopt a plurality of atomizer, leads to the waste of water resource more serious in unit interval.
Therefore, a height-adjustable spraying dust-settling device under a coal mine is needed.
Disclosure of Invention
The invention aims to provide a height-adjustable spray dust-settling device for an underground coal mine, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a height-adjustable spray dust-settling device in a coal mine comprises a movable mounting plate, wherein a water storage tank and a first mounting box are respectively and fixedly mounted on the upper surface of the movable mounting plate, a first water pump is fixedly mounted on the inner wall of the first mounting box, a connecting pipe is fixedly connected to the water outlet end of the first water pump, one end, away from the first water pump, of the connecting pipe extends into the water storage tank, the water inlet end of the first water pump is communicated with an external water source through a water pipe, a two-way motor and a protective box are respectively and fixedly mounted on the upper surface of the water storage tank, the two-way motor is positioned in the protective box, vertical threaded columns are rotatably connected to the upper surface of the water storage tank, the number of the vertical threaded columns is two, the two vertical threaded columns are symmetrically arranged on two sides of the two-way motor, and the top ends of the, two equal threaded connection in surface of vertical screw thread post has an internal thread to adjust a section of thick bamboo, two the top fixed mounting that an internal thread adjusted a section of thick bamboo has the mounting panel, the mounting hole has been seted up to the upper surface of mounting panel, the inner wall fixed mounting of mounting hole has first bearing, the inner wall fixed mounting of first bearing has linking sleeve pipe.
Preferably, it has hollow water spray dish to link up sheathed tube top fixed mounting, the upper surface of hollow water spray dish is provided with slope atomizing nozzle, the quantity of slope atomizing nozzle is two, two slope atomizing nozzle symmetry sets up the upper surface at hollow water spray dish, the last fixed surface of mounting panel installs the rotating electrical machines, the output fixed mounting of rotating electrical machines has first fluted disc, it has the second fluted disc to link up sheathed tube outer fixed surface, first fluted disc and second fluted disc intermeshing.
Preferably, it has sealed bearing to link up sheathed tube inner wall fixed mounting, sealed bearing's inner wall fixed mounting has the straight tube, the last fixed surface of guard box installs the second install bin, the inner wall fixed mounting of second install bin has the second water pump, the end fixed mounting that intakes of second water pump has the inlet tube, the opening has been seted up to the upper surface of storage water tank, open-ended inner wall fixed mounting has the honeycomb duct, the one end that the second water pump was kept away from to the inlet tube and the top fixed connection of honeycomb duct, the bottom of honeycomb duct extends to the interior bottom of storage water tank, the bottom fixed mounting of honeycomb duct has the filter mantle, the play water end fixedly connected with outlet pipe of second water pump, the bottom fixed connection of the one end that the second water pump was kept away from to the outlet pipe.
Preferably, two mounting holes are formed in the upper surface of the protective box, the two mounting holes correspond to the two vertical threaded columns in position respectively, second bearings are fixedly mounted on the inner walls of the two mounting holes, and the inner walls of the two second bearings are fixedly connected with the surfaces of the two vertical threaded columns respectively.
Preferably, the two output ends of the two-way motor are fixedly provided with rotating rods, the two output ends of the two-way motor are fixedly provided with first bevel gears and second bevel gears respectively, the one ends of the rotating rods, far away from the two-way motor, are fixedly provided with second bevel gears respectively, and the first bevel gears are meshed with the second bevel gears respectively.
Preferably, the inside wall fixed mounting of storage water tank has level sensor, the front of storage water tank is provided with the waterproof control case, the front of waterproof control case is connected with the chamber door through hinge rotation, the surface of chamber door is provided with the inserted block, the slot with inserted block looks adaptation is seted up in the front of waterproof control case, the inside of waterproof control case is provided with control panel and controller respectively, level sensor and first water pump all with controller electric connection.
Preferably, the lower fixed surface of moving the mounting panel installs the universal wheel, the quantity of universal wheel is four, four the universal wheel is the four corners department that the rectangle array set up at the moving the mounting panel lower surface.
Preferably, the front surface of the water storage tank is provided with an installation opening, and the inner wall of the installation opening is fixedly provided with a transparent observation window.
Advantageous effects
The invention provides a height-adjustable spray dust-settling device for an underground coal mine, which has the following beneficial effects:
1. this colliery is spray dust device that can heighten in pit, through setting up the storage water tank, two-way motor, the guard box, vertical screw post, an internal thread adjusting cylinder, first conical gear and second conical gear, make this dust device at the in-process of in-service use, can start two-way motor according to the actual conditions in the pit in the colliery, two-way motor's rotation drives vertical screw post through first conical gear and second conical gear and rotates, the rotation of vertical screw post is through the regulation of internal thread adjusting cylinder realization to atomizing nozzle height, the practicality of this dust device has been improved.
2. This colliery is spray dust device of increaseing in pit through setting up mounting panel, first bearing, linking sleeve pipe, rotating electrical machines, first fluted disc, second fluted disc and sealed bearing, makes this dust device when the spray dust fall, can start rotating electrical machines, and the rotation of rotating electrical machines drives the rotatory spraying of atomizing nozzle through first fluted disc and second fluted disc, has increased the scope of dust fall on the one hand, and on the other hand has practiced thrift the water resource.
Drawings
FIG. 1 is a schematic front sectional view of the present invention;
FIG. 2 is a schematic front view of the present invention;
FIG. 3 is an enlarged view of the structure at A in FIG. 1;
FIG. 4 is an enlarged view of the structure at B in FIG. 1;
FIG. 5 is a schematic view of a front cross-section of the adapter sleeve of the present invention.
In the figure: 1 mobile mounting plate, 2 water storage tanks, 3 first water pumps, 4 two-way motors, 5 protective boxes, 6 vertical threaded columns, 7 internal thread adjusting cylinders, 8 mounting plates, 9 first bearings, 10 linking sleeves, 11 hollow water spraying discs, 12 atomizing nozzles, 13 rotating motors, 14 first fluted discs, 15 second fluted discs, 16 sealing bearings, 17 second water pumps, 18 water inlet pipes, 19 guide pipes, 20 water outlet pipes, 21 second bearings, 22 first conical gears, 23 second conical gears, 24 liquid level sensors, 25 waterproof control boxes, 26 control panels, 27 controllers, 28 universal wheels and 29 transparent observation windows.
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. 1-5, the present invention provides a technical solution: the utility model provides a colliery is spray dust device of increaseing in pit, is including removing mounting panel 1, and the lower fixed surface of removing mounting panel 1 installs universal wheel 28, and the quantity of universal wheel 28 is four, and four universal wheels 28 are the four corners department that the rectangle array set up at removing mounting panel 1 lower surface.
The upper surface of the movable mounting plate 1 is fixedly provided with a water storage tank 2 and a first mounting box respectively, the inner side wall of the water storage tank 2 is fixedly provided with a liquid level sensor 24, the front of the water storage tank 2 is provided with a waterproof control box 25, the front of the waterproof control box 25 is rotatably connected with a box door through a hinge, the surface of the box door is provided with an insert block, the front of the waterproof control box 25 is provided with a slot matched with the insert block, the inside of the waterproof control box 25 is provided with a control panel 26 and a controller 27 respectively, and the liquid level sensor 24 and the first water pump 3 are electrically connected with the controller 27.
The front of the water storage tank 2 is provided with an installation opening, and the inner wall of the installation opening is fixedly provided with a transparent observation window 29.
The inner wall fixed mounting of first install bin has first water pump 3, the play water end fixedly connected with connecting pipe of first water pump 3, the one end that first water pump 3 was kept away from to the connecting pipe extends to the inside of storage water tank 2, the end of intaking of first water pump 3 leads to pipe and outside water source intercommunication, the upper surface of storage water tank 2 is fixed mounting respectively has two-way motor 4 and guard box 5, two-way motor 4 is located the inside of guard box 5, the upper surface of storage water tank 2 rotates and is connected with vertical screw post 6, two mounting holes have been seted up to the upper surface of guard box 5, two mounting holes are corresponding with the position of two vertical screw posts 6 respectively, the equal fixed mounting of inner wall of two mounting holes has second bearing 21, the inner wall of two second bearings 21 is connected with the fixed surface of two vertical screw posts 6.
The quantity of vertical screw post 6 is two, 6 symmetries of two vertical screw posts set up the both sides at two-way motor 4, the top of two vertical screw posts 6 all extends to the upper surface of guard box 5, two equal fixed mounting of output of two-way motor 4 have the bull stick, the equal fixed mounting of one end that two-way motor 4 was kept away from to two bull sticks has first bevel gear 22, the equal fixed mounting in surface of two vertical screw posts 6 has second bevel gear 23, every first bevel gear 22 respectively with a second bevel gear 23 intermeshing.
The equal threaded connection in surface of two vertical screw thread posts 6 has an internal thread to adjust a section of thick bamboo 7, and the top fixed mounting of two internal thread adjusting section of thick bamboos 7 has a mounting panel 8, and the mounting hole has been seted up to the upper surface of mounting panel 8, and the inner wall fixed mounting of mounting hole has first bearing 9, and the inner wall fixed mounting of first bearing 9 has linking sleeve 10.
Linking up top fixed mounting of sleeve pipe 10 has hollow water spray disc 11, the upper surface of hollow water spray disc 11 is provided with slope atomizing nozzle 12, the quantity of slope atomizing nozzle 12 is two, two slope atomizing nozzle 12 symmetries set up the upper surface at hollow water spray disc 11, through setting up storage water tank 2, two-way motor 4, protective housing 5, vertical screw post 6, internal thread adjusting cylinder 7, first conical gear 22 and second conical gear 23, make this dust device at the in-process of in-service use, can start two-way motor 4 according to the actual conditions in the pit in the colliery, two-way motor 4's rotation drives vertical screw post 6 through first conical gear 22 and second conical gear 23 and rotates, the rotation of vertical screw post 6 realizes the regulation to atomizing nozzle 12 height through internal thread adjusting cylinder 7, the practicality of this dust device has been improved.
The upper surface fixed mounting of mounting panel 8 has rotating electrical machines 13, and the output end fixed mounting of rotating electrical machines 13 has first fluted disc 14, and the fixed surface of linking sleeve pipe 10 installs second fluted disc 15, first fluted disc 14 and second fluted disc 15 intermeshing.
Linking up the inner wall fixed mounting of sleeve pipe 10 and having seal bearing 16, seal bearing 16's inner wall fixed mounting has the straight tube, the last fixed surface of protective housing 5 installs the second install bin, the inner wall fixed mounting of second install bin has second water pump 17, the end fixed mounting that intakes of second water pump 17 has inlet tube 18, the opening has been seted up to the upper surface of storage water tank 2, open-ended inner wall fixed mounting has honeycomb duct 19, the one end that second water pump 17 was kept away from to inlet tube 18 and honeycomb duct 19's top fixed connection, honeycomb duct 19's bottom extends to the interior bottom of storage water tank 2, honeycomb duct 19's bottom fixed mounting has the filter mantle, the play water end fixedly connected with outlet pipe 20 of second water pump 17, the one end that second water pump 17 was kept away from to outlet.
Through setting up mounting panel 8, first bearing 9, linking sleeve pipe 10, rotating electrical machines 13, first fluted disc 14, second fluted disc 15 and sealed bearing 16, make this dust device when the spraying dust fall, can start rotating electrical machines 13, rotating electrical machines 13's rotation drives atomizing nozzle 12 rotatory spraying through first fluted disc 14 and second fluted disc 15, has increased the scope of dust fall on the one hand, and on the other hand has practiced thrift the water resource.
The working principle is as follows: this dust device is at the in-process of in-service use, can start two-way motor 4 according to the actual conditions in the pit in the colliery, two-way motor 4's rotation drives vertical screw post 6 through first bevel gear 22 and second bevel gear 23 and rotates, vertical screw post 6's rotation is through internal thread adjusting cylinder 7 realization to the regulation of atomizing nozzle 12 height, the practicality of this dust device has been improved, and this dust device is when the spraying dust fall, can start rotating electrical machines 13, rotating electrical machines 13's rotation drives the rotatory spraying of atomizing nozzle 12 through first fluted disc 14 and second fluted disc 15, the scope of dust fall has been increased on the one hand, on the other hand has practiced thrift the water resource.
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 (7)
1. The utility model provides a colliery is spray dust device of increaseing in pit, is including removing mounting panel (1), its characterized in that: the upper surface of the movable mounting plate (1) is respectively and fixedly provided with a water storage tank (2) and a first mounting box, the inner wall of the first mounting box is fixedly provided with a first water pump (3), the water outlet end of the first water pump (3) is fixedly connected with a connecting pipe, one end, far away from the first water pump (3), of the connecting pipe extends to the inside of the water storage tank (2), the water inlet end of the first water pump (3) is communicated with an external water source through a water pipe, the upper surface of the water storage tank (2) is respectively and fixedly provided with a two-way motor (4) and a protective box (5), the two-way motor (4) is positioned inside the protective box (5), the upper surface of the water storage tank (2) is rotatably connected with vertical threaded columns (6), the number of the vertical threaded columns (6) is two, and the two vertical threaded columns (6) are symmetrically arranged on two sides of the two, the top of two vertical screw thread post (6) all extends to the upper surface of protective housing (5), two the equal threaded connection in surface of vertical screw thread post (6) has an internal thread to adjust a section of thick bamboo (7), two the top fixed mounting of an internal thread regulation section of thick bamboo (7) has mounting panel (8), the mounting hole has been seted up to the upper surface of mounting panel (8), the inner wall fixed mounting of mounting hole has first bearing (9), the inner wall fixed mounting of first bearing (9) has linking sleeve pipe (10), the top fixed mounting of linking sleeve pipe (10) has hollow spray disk (11), the upper surface of hollow spray disk (11) is provided with slope atomizing nozzle (12), the quantity of slope atomizing nozzle (12) is two, two slope atomizing nozzle (12) symmetry sets up the upper surface at hollow spray disk (11), the upper surface fixed mounting of mounting panel (8) has rotating electrical machines (13), the output end fixed mounting of rotating electrical machines (13) has first fluted disc (14), the outer fixed surface of linking up sleeve pipe (10) installs second fluted disc (15), first fluted disc (14) and second fluted disc (15) intermeshing.
2. The coal mine underground height-adjustable spray dust settling device according to claim 1, which is characterized in that: the inner wall fixed mounting who links up sleeve pipe (10) has seal bearing (16), the inner wall fixed mounting of seal bearing (16) has the straight tube, the last fixed surface of guard box (5) installs the second install bin, the inner wall fixed mounting of second install bin has second water pump (17), the end fixed mounting that intakes of second water pump (17) has inlet tube (18), the opening has been seted up to the upper surface of storage water tank (2), open-ended inner wall fixed mounting has honeycomb duct (19), the one end that second water pump (17) were kept away from in inlet tube (18) and the top fixed connection of honeycomb duct (19), the bottom of honeycomb duct (19) extends to the interior bottom of storage water tank (2), the bottom fixed mounting of honeycomb duct (19) has the filter mantle, the play water end fixed connection of second water pump (17) has outlet pipe (20), and one end of the water outlet pipe (20) far away from the second water pump (17) is fixedly connected with the bottom end of the straight pipe.
3. The coal mine underground height-adjustable spray dust settling device according to claim 1, which is characterized in that: two mounting holes are formed in the upper surface of the protective box (5), the two mounting holes correspond to the two vertical threaded columns (6) in position respectively, a second bearing (21) is fixedly mounted on the inner wall of each mounting hole, and the inner wall of each second bearing (21) is fixedly connected with the surface of each vertical threaded column (6) respectively.
4. The coal mine underground height-adjustable spray dust settling device according to claim 1, which is characterized in that: two equal fixed mounting of output of two-way motor (4) have the bull stick, two the equal fixed mounting of one end that two-way motor (4) were kept away from to the bull stick has first conical gear (22), two the equal fixed mounting in surface of vertical screw thread post (6) has second conical gear (23), every first conical gear (22) respectively with a second conical gear (23) intermeshing.
5. The coal mine underground height-adjustable spray dust settling device according to claim 1, which is characterized in that: the utility model discloses a water storage tank, including storage water tank (2), the inside wall fixed mounting of storage water tank (2) has level sensor (24), the front of storage water tank (2) is provided with waterproof control box (25), the front of waterproof control box (25) is connected with the chamber door through hinge rotation, the surface of chamber door is provided with the inserted block, the slot with inserted block looks adaptation is seted up in the front of waterproof control box (25), the inside of waterproof control box (25) is provided with control panel (26) and controller (27) respectively, level sensor (24) and first water pump (3) all with controller (27) electric connection.
6. The coal mine underground height-adjustable spray dust settling device according to claim 1, which is characterized in that: the lower fixed surface that removes mounting panel (1) installs universal wheel (28), the quantity of universal wheel (28) is four, four universal wheel (28) are the four corners department that the rectangle array set up at removal mounting panel (1) lower surface.
7. The coal mine underground height-adjustable spray dust settling device according to claim 1, which is characterized in that: the front of the water storage tank (2) is provided with an installation opening, and the inner wall of the installation opening is fixedly provided with a transparent observation window (29).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110061725.1A CN112901248A (en) | 2021-01-18 | 2021-01-18 | Height-adjustable spraying dust-settling device for underground coal mine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110061725.1A CN112901248A (en) | 2021-01-18 | 2021-01-18 | Height-adjustable spraying dust-settling device for underground coal mine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112901248A true CN112901248A (en) | 2021-06-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110061725.1A Pending CN112901248A (en) | 2021-01-18 | 2021-01-18 | Height-adjustable spraying dust-settling device for underground coal mine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112901248A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114766267A (en) * | 2022-05-09 | 2022-07-22 | 神木市农业技术推广中心 | Mountain region apple intelligence frost prevention device |
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| CN108798752A (en) * | 2018-06-05 | 2018-11-13 | 荆门畅享光年机电技术服务有限公司 | Dust monitoring and control system under a kind of mine |
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| CN209838469U (en) * | 2019-04-22 | 2019-12-24 | 王振浩 | Fog gun machine that dust fall is effectual that tunnel was used |
| CN111075497A (en) * | 2019-12-26 | 2020-04-28 | 山东东山新驿煤矿有限公司 | Height-adjustable spraying dust-settling device for underground coal mine |
| CN211422695U (en) * | 2020-01-13 | 2020-09-04 | 毋会兵 | Mining spray dust removal device |
| CN211836943U (en) * | 2019-12-26 | 2020-11-03 | 淮安惠而邦企业管理有限公司 | Road bridge construction is with environmental protection dust device |
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2021
- 2021-01-18 CN CN202110061725.1A patent/CN112901248A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201720158U (en) * | 2010-06-29 | 2011-01-26 | 李永明 | Rotation device of watering spray gun |
| CN206503616U (en) * | 2017-02-16 | 2017-09-19 | 张宏升 | A kind of coal mining deduster |
| CN108412532A (en) * | 2018-05-17 | 2018-08-17 | 顾可琴 | A kind of mine equipment self-action depositing dust watering device |
| CN108798752A (en) * | 2018-06-05 | 2018-11-13 | 荆门畅享光年机电技术服务有限公司 | Dust monitoring and control system under a kind of mine |
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| CN209838469U (en) * | 2019-04-22 | 2019-12-24 | 王振浩 | Fog gun machine that dust fall is effectual that tunnel was used |
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| CN211836943U (en) * | 2019-12-26 | 2020-11-03 | 淮安惠而邦企业管理有限公司 | Road bridge construction is with environmental protection dust device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114766267A (en) * | 2022-05-09 | 2022-07-22 | 神木市农业技术推广中心 | Mountain region apple intelligence frost prevention device |
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Application publication date: 20210604 |