CN111871097A - Mine dust collecting equipment - Google Patents
Mine dust collecting equipment Download PDFInfo
- Publication number
- CN111871097A CN111871097A CN202010683123.5A CN202010683123A CN111871097A CN 111871097 A CN111871097 A CN 111871097A CN 202010683123 A CN202010683123 A CN 202010683123A CN 111871097 A CN111871097 A CN 111871097A
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- China
- Prior art keywords
- wall
- ring
- fog gun
- machine body
- gun machine
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 239000000428 dust Substances 0.000 title claims abstract description 21
- 238000007664 blowing Methods 0.000 claims abstract description 19
- 239000000344 soap Substances 0.000 claims abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 8
- 238000010438 heat treatment Methods 0.000 claims description 23
- 238000009423 ventilation Methods 0.000 claims description 10
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 238000010410 dusting Methods 0.000 claims 7
- 230000000694 effects Effects 0.000 description 9
- 238000000034 method Methods 0.000 description 4
- 230000005587 bubbling Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000012216 screening Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 238000013467 fragmentation Methods 0.000 description 1
- 238000006062 fragmentation reaction Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/06—Spray cleaning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/04—Separating dispersed particles from gases, air or vapours by liquid as separating agent by passing the gas or air or vapour through foam
-
- 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
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Details Or Accessories Of Spraying Plant Or Apparatus (AREA)
Abstract
The invention relates to mine dust removing equipment which comprises a base, wherein a fog gun body is rotatably connected to the base, a mounting plate is rotatably connected to one end face of the fog gun body, a plurality of groups of mounting holes are uniformly formed in the mounting plate at intervals, a bubble blowing ring is mounted on the inner wall of each mounting hole, a driving mechanism for driving the mounting plate to rotate is arranged on the outer wall of the fog gun body, a support is fixedly connected to the outer wall of the fog gun body, a placing disc is fixedly connected to the support, soapy water is placed in the placing disc, the mounting plate is driven to rotate by the driving mechanism and then is soaked in the soapy water in the placing disc, the mounting plate is driven out by the driving mechanism, the fog gun body is started, the soapy bubbles are blown out under the action of air blown out by the fog gun body and the action of the bubble blowing ring, the soapy bubbles fly upwards under the action of the fog gun body, the dust is adsorbed on the soap bubbles, and the operator can clean and adsorb the dust in the air on the mine conveniently.
Description
Technical Field
The invention relates to mining equipment, in particular to mine dust removal equipment.
Background
Mine dust is mainly composed of ore particles and other powdery substances, and is divided into dry dust and wet dust in state. In the mining and subsequent processing production processes, dust generation is mainly concentrated in the drilling and blasting processes, the crushing, the screening, the belt conveying, the transporting and the transferring processes. A complete mine processing production line needs to go through the processes of crushing, screening, grinding, transporting, collecting and the like, and fine-grade particles can be gradually separated along with the fragmentation and the movement of ores in each process, so that more and more dust can be generated.
There is a need for a device that facilitates the adsorption of dust from mine air to improve the safety of the operator.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide the mine dust removal equipment which has the effect of facilitating an operator to clean and adsorb dust in the air on a mine.
The above object of the present invention is achieved by the following technical solutions:
the utility model provides a mine dust collecting equipment, includes the base, rotates on the base and is connected with a fog gun machine body rotate on the one end terminal surface that fog gun machine body is close to the export and be connected with a mounting panel, the mounting panel is circular setting a plurality of groups mounting hole have been seted up to the interval is even on the mounting panel, and the mounting hole is circular setting install a bubbling ring on the mounting hole inner wall be equipped with on the fog gun machine body outer wall and be used for driving mounting panel pivoted actuating mechanism a fixedly connected with support on the fog gun machine body outer wall, fixedly connected with one places the dish on the support place fertile soap water in placing the dish.
Through adopting above-mentioned technical scheme, soapy water has been placed in placing the dish, it rotates to drive the mounting panel through actuating mechanism, the mounting panel rotates the back and soaks in the soapy water of placing the dish, come out the mounting panel drive through actuating mechanism, fog gun machine body starts, blow off soapy bubble under the wind that blows out through fog gun machine body and the effect of blowing bubble ring, soapy bubble upwards flies under the effect of fog gun machine body, under the effect of soapy bubble, the dust is adsorbed on the soapy bubble, through such setting, moreover, the steam generator is simple in structure, and convenient for operation, the operator has been made things convenient for and has cleared up and adsorb the dust in the air on the mine.
The invention is further configured to: the froth ring includes the first ring, offers spigot surface, fixed connection second ring, the snap ring of fixed connection on the first ring outer wall on the first ring one end terminal surface, the one inclined plane of serving of keeping away from the first ring at the snap ring of fixed connection on the second ring outer wall, be slick and sly setting between the one end of spigot surface and the mounting panel, the diameter of the second ring outer wall is less than the outer wall diameter of first ring, and the internal diameter of first ring is the same with the second ring internal diameter, and the second ring outer wall supports tightly on the mounting hole inner wall, and the outer wall diameter of snap ring is greater than the diameter of mounting hole.
Through adopting above-mentioned technical scheme, the second ring sliding connection is in the mounting hole, and first ring one side is supported tightly on mounting panel one side, and one side of snap ring is supported tightly on the opposite side of mounting panel, through such setting, simple structure, convenient operation has improved the stability of blowing soap bubble.
The invention is further configured to: the air duct is installed on the one end inner wall that first ring was kept away from to the second ring, has seted up the internal thread on the one end inner wall that first ring was kept away from to the second ring set up the external screw thread on the air duct outer wall, mesh between internal thread and the external screw thread the air duct is kept away from the second ring and is served a fixedly connected with air guide ring, the one end that the air duct was kept away from to the air guide ring is the flaring setting.
Through adopting above-mentioned technical scheme, the one end of air duct is passed through the cooperation of internal thread and external screw thread and is connected on the second ring inner wall, under the effect of air duct ring, has further improved the stability to the formation of soap bubble.
The invention is further configured to: actuating mechanism includes that one end fixed connection rotates the bracing piece of connection on fog gun machine body outer wall, one end on one end inner wall of fog gun machine body, one end and rotates the lifting bar of connection in bracing piece one end and rotate the actuating cylinder that drives of connection on fog gun machine body outer wall, the flexible end that drives actuating cylinder rotates the connection on the lower surface of bracing piece, the other end fixed connection of lifting bar is in one side lateral wall upper end that the mounting panel is close to the fog gun machine body, the other end of actuating bar rotates to be connected on one side lateral wall lower end that the mounting panel is close to the fog gun machine.
Through adopting above-mentioned technical scheme, rotate through driving actuating cylinder drive bracing piece, the bracing piece drives the lift bar motion, and lift bar and actuating lever drive mounting panel rotate, through such setting, simple structure, convenient operation has made things convenient for operator drive mounting panel to rotate.
The invention is further configured to: and a heating rod is arranged on the inner wall of one end of the fog gun machine body close to the placing disc, and the heating rod and the fog gun machine body are in the same power supply loop.
By adopting the technical scheme, the heating rod is arranged on the inner wall of the fog gun machine body, and hot air is blown into soap bubbles conveniently by the heating rod, so that the soap bubbles are convenient to fly.
The invention is further configured to: be equipped with a coupling mechanism between heating rod and fog gun machine body inner wall, coupling mechanism includes connecting pipe, fixed connection of fixed connection on fog gun machine body inner wall and the go-between of fixed connection on heating rod one end outer wall, sliding connection is in the company's of managing on the heating rod outer wall, set up annular, the interlink of sliding connection on the annular inner wall on the pipe inner wall, set up the first screw thread on interlink inner wall, set up the second screw thread on the connecting pipe outer wall and set up and be used for spacing interlink and company's pipe locating part simultaneously pivoted between interlink and company's pipe, heating pipe one end sliding connection is in the connecting pipe, the width of interlink is less than the width of annular, mesh between first screw thread and the second screw thread.
Through adopting above-mentioned technical scheme, under the effect of locating part, rotate the connecting pipe, the connecting pipe drives the interlinkage and rotates, and first screw thread on the interlinkage and the second thread engagement on the connecting pipe outer wall have made things convenient for the operator to the installation and the dismantlement of heating rod through such setting, simple structure, and convenient operation.
The invention is further configured to: the locating part includes that first terminal surface tooth and fixed connection that fixed connection kept away from the annular on the one end inner wall of connecting pipe are kept away from the second terminal surface tooth on the one end terminal surface of connecting pipe in the interlinkage, mesh between first terminal surface tooth and the second terminal surface tooth.
Through adopting above-mentioned technical scheme, through the meshing of first terminal surface tooth and second terminal surface tooth, made things convenient for spacing interlink of operator and connecting pipe to rotate simultaneously.
The invention is further configured to: the fog gun machine body is close to fixedly connected with wind-collecting cover on the one end inner wall of placing the dish, the wind-collecting cover is the flaring setting fixedly connected with ventilation pipe on the wind-collecting cover, the ventilation pipe is the flexibility setting fixedly connected with a blowing cover on the actuating lever outer wall, the opening of blowing cover just is the flaring setting up upwards, the one end and the blowing cover fixed connection of ventilation pipe.
By adopting the technical scheme, the air blown out from the fog gun machine body enters the air collecting cover and enters the air blowing cover through the ventilation pipe, and soap bubbles are further conveniently blown to the air under the action of the air blowing cover.
In summary, the invention includes at least one of the following beneficial technical effects: the dust in the air on the mine can be conveniently cleaned and adsorbed by an operator; the soap bubbles are further conveniently blown to the air under the action of the blowing cover; the connecting ring and the connecting pipe can be conveniently limited by an operator to rotate simultaneously.
Drawings
FIG. 1 is a schematic view of the overall structure of the embodiment;
FIG. 2 is a schematic structural view of a bubble ring in the embodiment;
fig. 3 is a schematic structural view of the connection mechanism in the embodiment.
Reference numerals: 1. a base; 2. a fog gun machine body; 3. mounting a plate; 4. mounting holes; 5. a bubble blowing ring; 6. a drive mechanism; 7. a support; 8. soapy water; 9. a first ring; 10. a guide surface; 11. a second ring; 12. a snap ring; 13. an inclined surface; 14. an air duct; 15. an internal thread; 16. an external thread; 17. a gas guide ring; 18. a drive rod; 19. a support bar; 20. a lifting bar; 21. a driving cylinder; 22. a heating rod; 23. a connecting mechanism; 24. a connecting pipe; 25. a connecting ring; 26. connecting pipes; 27. a ring groove; 28. interlinking; 29. a first thread; 30. a second thread; 31. a limiting member; 32. a first end face tooth; 33. a second end face tooth; 34. a wind collecting cover; 35. a vent pipe; 36. a blowing hood; 37. and placing the tray.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in figure 1, the mine dust removal equipment disclosed by the invention comprises a base 1, wherein a fog gun machine body 2 is rotatably connected to the base 1.
As shown in fig. 1 and 2, a mounting plate 3 is rotatably connected to an end face of the fog gun body 2 close to the outlet, the mounting plate 3 is in a circular arrangement, a plurality of groups of mounting holes 4 are uniformly arranged on the mounting plate 3 at intervals, the mounting holes 4 are in a circular luxury appearance, a bubble blowing ring 5 is mounted on the inner wall of each mounting hole 4, a driving mechanism 6 for driving the mounting plate 3 to rotate is arranged on the fog gun body 2, a bracket 7 is fixedly connected to the outer wall of the fog gun body 2, a placing plate 37 is fixedly connected to the bracket 7, soapy water 8 is placed in the placing plate 37, and the driving mechanism 6 drives the mounting plate 3 to rotate and then to be soaked in the placing plate 37.
As shown in fig. 1 and 2, the bubbling ring 5 includes a first ring 9, a guide surface 10, a second ring 11, a snap ring 12, and an inclined surface 13, the second ring 11 is slidably coupled in the mounting hole 4, first ring 9 fixed connection is on the one end terminal surface of second ring 11, the internal diameter of first ring 9 is the same with the internal diameter of second ring 11, one side lateral wall of first ring 9 supports tightly on 3 side lateral walls of mounting panel, spigot surface 10 is seted up on the one end terminal surface that mounting panel 3 was kept away from to first ring 9, be slick and sly setting between spigot surface 10 one end and the 3 side lateral walls of mounting panel, snap ring 12 fixed connection is on the other end outer wall of second ring 11, the external diameter of snap ring 12 is greater than the diameter of mounting hole 4, one side lateral wall of snap ring 12 supports tightly on 3 side lateral walls of mounting panel, inclined plane 13 is seted up on one side that mounting panel 3 was kept away from to snap ring 12, be slick and sly setting between 13 one end of inclined.
As shown in fig. 1 and 2, for better bubble blowing, an air duct 14 is installed on the inner wall of one end of the second ring 11 far away from the first ring 9, an internal thread 15 is provided on the inner wall of the second ring 11, an external thread 16 is provided on the outer wall of one end of the air duct 14, the external thread 16 is meshed with the internal thread 15, an air guide ring 17 is fixedly connected to one end of the air duct 14, and one end of the air guide ring 17 far away from the air duct 14 is flared.
As shown in fig. 1 and fig. 2, the driving mechanism 6 includes a driving rod 18, a supporting rod 19, a lifting rod 20, a driving cylinder 21, one end of the driving rod 18 is fixedly connected to the inner wall of one end of the fog gun machine body 2, the mounting plate 3 is rotatably connected to one end of the driving rod 18, one end of the supporting rod 19 is rotatably connected to the outer wall of the fog gun machine body 2, the driving cylinder 21 is rotatably connected to the outer wall of the fog gun machine body 2, the telescopic end of the driving cylinder 21 is rotatably connected to the outer wall of the supporting rod 19, one end of the lifting rod 20 is rotatably connected to one end of the supporting rod 19, and the other end of the lifting rod 20 is rotatably connected to the upper end of one.
As shown in fig. 1 and 3, in order to facilitate better soap bubbles floating, a heating rod 22 is fixedly connected to the inner wall of the fog gun body 2, and the heating rod 22 and the fog gun body 2 are in the same power supply loop.
As shown in fig. 1 and 3, in order to facilitate the installation and removal of the heating rod 22 by an operator, a connection mechanism 23 is provided between the heating rod 22 and the inner wall of the fog gun machine body 2, the connection mechanism 23 includes a connection pipe 24 fixedly connected to the inner wall of the fog gun machine body 2, a connection ring 25 fixedly connected to the outer wall of one end of the heating rod 22, a connection pipe 26 slidably connected to the outer wall of the heating rod 22, a ring groove 27 formed on the inner wall of the connection pipe 26, a connection ring 28 slidably connected to the inner wall of the ring groove 27, a first thread 29 formed on the inner wall of the connection ring 28, a second thread 30 formed on the outer wall of the connection pipe 24, and a limiting member 31 provided between the connection ring 28 and the connection pipe 26 for limiting the simultaneous rotation of the connection ring 28, one end of the heating tube is slidably connected in the connecting tube 24, the width of the connecting ring 28 is smaller than that of the ring groove 27, and the first thread 29 and the second thread 30 are engaged with each other.
As shown in fig. 1 and 3, the limiting member 31 includes a first end face tooth 32 fixedly connected to an inner wall of one end of the ring groove 27 away from the connecting pipe 24 and a second end face tooth 33 fixedly connected to an end face of the connecting ring 28 away from the connecting pipe 24, and the first end face tooth 32 and the second end face tooth 33 are engaged with each other.
As shown in fig. 1 and 3, in order to better blow up soap bubbles, a wind collecting cover 34 is fixedly connected to the inner wall of one end of the fog gun machine body 2 close to the placing plate 37, the wind collecting cover 34 is in a flaring configuration, a ventilation pipe 35 is fixedly connected to the wind collecting cover 34, the ventilation pipe 35 is in a flexible configuration, a blowing cover 36 is fixedly connected to the outer wall of the driving rod 18, the opening of the blowing cover 36 faces upwards and is in a flaring configuration, and one end of the ventilation pipe 35 is fixedly connected to the blowing cover 36.
The implementation principle of the embodiment is as follows: first ring 9 passes mounting hole 4 under the effect of spigot surface 10, and 11 sliding connection of second ring are in mounting hole 4, drive actuating cylinder 21 drive bracing piece 19 and rotate, and bracing piece 19 drive mounting panel 3 rotates, soaks in fertile soap 8 after mounting panel 3 rotates, drives actuating cylinder 21 and drives out mounting panel 3 drive, and fog gun machine body 2 starts, under fog gun machine body 2's effect, blows off fertile soap bubble, fertile soap bubble adsorbs the dust in the air.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (8)
1. The utility model provides a mine dust collecting equipment, includes base (1), rotates on base (1) and is connected with a fog gun machine body (2), its characterized in that: fog gun machine body (2) are close to and rotate on the one end terminal surface of export and are connected with a mounting panel (3), mounting panel (3) are circular setting a plurality of groups mounting hole (4) have been seted up to even interval on mounting panel (3), and mounting hole (4) are circular setting install a bubble ring (5) on mounting hole (4) inner wall be equipped with on fog gun machine body (2) outer wall and be used for driving mounting panel (3) pivoted actuating mechanism (6) fixedly connected with a support (7) on fog gun machine body (2) outer wall, fixedly connected with one on support (7) places dish (37) place fertile soap water (8) in dish (37).
2. The mine dusting equipment of claim 1, wherein: the utility model discloses a bubble blowing device, including blow bubble ring (5) including first ring (9), offer spigot surface (10), fixed connection second ring (11), fixed connection snap ring (12) on second ring (11) outer wall on first ring (9) one end terminal surface, offer inclined plane (13) of seting away from one of first ring (9) in snap ring (12), be slick and sly setting between the one end of spigot surface (10) and mounting panel (3), the diameter of the outer wall of second ring (11) is less than the outer wall diameter of first ring (9), and the internal diameter of first ring (9) is the same with the internal diameter of second ring (11), and second ring (11) outer wall supports tightly on mounting hole (4) inner wall, and the outer wall diameter of snap ring (12) is greater than the diameter of mounting hole (4).
3. The mine dusting equipment of claim 2, wherein: install an air duct (14) on second ring (11) keep away from the one end inner wall of first ring (9), set up on second ring (11) keep away from the one end inner wall of first ring (9) and have internal thread (15) external screw thread (16) have been seted up on air duct (14) outer wall, mesh between internal thread (15) and external screw thread (16) air duct (14) keep away from one of second ring (11) and serve fixedly connected with air guide ring (17), the one end that air guide ring (17) were kept away from air duct (14) is the flaring setting.
4. The mine dusting equipment of claim 3, wherein: actuating mechanism (6) include that one end fixed connection is at actuating lever (18) on fog gun machine body (2) one end inner wall, one end rotate and connect bracing piece (19) on fog gun machine body (2) outer wall, one end rotate connect bracing piece (20) on bracing piece (19) one end and rotate drive actuating cylinder (21) of connection on fog gun machine body (2) outer wall, the flexible end that drives actuating cylinder (21) rotates to be connected on the lower surface of bracing piece (19), the other end fixed connection of bracing piece (20) is close to one side lateral wall upper end of fog gun machine body (2) in mounting panel (3), the other end of actuating lever (18) rotates to be connected on one side lateral wall lower end that mounting panel (3) are close to fog gun machine body (2).
5. The mine dusting equipment of claim 1, wherein: a heating rod (22) is installed on the inner wall of one end, close to the placing disc (37), of the fog gun machine body (2), and the heating rod (22) and the fog gun machine body (2) are in the same power supply loop.
6. The mine dusting equipment of claim 5, wherein: be equipped with a coupling mechanism (23) between heating rod (22) and fog gun machine body (2) inner wall, coupling mechanism (23) include connecting pipe (24) of fixed connection on fog gun machine body (2) inner wall, fixed connection go-between (25) on heating rod (22) one end outer wall, connecting pipe (26) of sliding connection on heating rod (22) outer wall, set up annular (27) on connecting pipe (26) inner wall, link (28) of sliding connection on annular (27) inner wall, set up first screw thread (29) on link (28) inner wall, set up second screw thread (30) on connecting pipe (24) outer wall and set up be used for spacing link (28) and connecting pipe (26) pivoted locating part (31) simultaneously between link (28) and connecting pipe (26), heating pipe one end sliding connection is in connecting pipe (24), the width of link (28) is less than the width of annular (27), the first thread (29) and the second thread (30) are engaged.
7. The mine dusting equipment of claim 6, wherein: locating part (31) including fixed connection first terminal surface tooth (32) and fixed connection on the one end terminal surface that connecting pipe (24) were kept away from in annular (27) the connecting pipe (24) on the one end inner wall with fixed connection, mesh between first terminal surface tooth (32) and second terminal surface tooth (33).
8. The mine dusting equipment of claim 4, wherein: fog gun machine body (2) are close to fixedly connected with wind-collecting hood (34) on the one end inner wall of placing dish (37), wind-collecting hood (34) are the flaring setting fixedly connected with ventilation pipe (35) on wind-collecting hood (34), ventilation pipe (35) are the flexibility setting fixedly connected with one blows gas cover (36) on actuating lever (18) outer wall, blow gas cover (36) opening up and be the flaring setting, the one end and the blowing gas cover (36) fixed connection of ventilation pipe (35).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010683123.5A CN111871097B (en) | 2020-07-15 | 2020-07-15 | Mine dust collecting equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010683123.5A CN111871097B (en) | 2020-07-15 | 2020-07-15 | Mine dust collecting equipment |
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| Publication Number | Publication Date |
|---|---|
| CN111871097A true CN111871097A (en) | 2020-11-03 |
| CN111871097B CN111871097B (en) | 2022-05-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010683123.5A Active CN111871097B (en) | 2020-07-15 | 2020-07-15 | Mine dust collecting equipment |
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| CN (1) | CN111871097B (en) |
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| CN207805285U (en) * | 2017-12-30 | 2018-09-04 | 刘秀美 | A kind of air bubble type fog gun machine |
| CN110107337A (en) * | 2018-02-01 | 2019-08-09 | 北京源深节能技术有限责任公司 | Underground dust removal method |
| CN209675341U (en) * | 2018-11-01 | 2019-11-22 | 北京新能源汽车股份有限公司 | Battery pack quick change retaining mechanism |
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