CN113417685A - Mine ventilation device with ventilation and dust prevention device - Google Patents
Mine ventilation device with ventilation and dust prevention device Download PDFInfo
- Publication number
- CN113417685A CN113417685A CN202110610968.6A CN202110610968A CN113417685A CN 113417685 A CN113417685 A CN 113417685A CN 202110610968 A CN202110610968 A CN 202110610968A CN 113417685 A CN113417685 A CN 113417685A
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- drum
- type filter
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- 238000009423 ventilation Methods 0.000 title claims abstract description 46
- 239000000428 dust Substances 0.000 title claims abstract description 28
- 230000002265 prevention Effects 0.000 title claims abstract description 14
- 230000007246 mechanism Effects 0.000 claims abstract description 52
- 238000001914 filtration Methods 0.000 claims abstract description 12
- 238000005507 spraying Methods 0.000 claims abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 10
- 229910000831 Steel Inorganic materials 0.000 claims description 27
- 239000010959 steel Substances 0.000 claims description 27
- 230000005540 biological transmission Effects 0.000 claims description 25
- 238000004140 cleaning Methods 0.000 claims description 6
- 238000005192 partition Methods 0.000 claims description 3
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims 2
- 239000010931 gold Substances 0.000 claims 2
- 229910052737 gold Inorganic materials 0.000 claims 2
- 238000011084 recovery Methods 0.000 abstract description 5
- 239000008187 granular material Substances 0.000 abstract 1
- 239000003599 detergent Substances 0.000 description 10
- 230000009471 action Effects 0.000 description 6
- 230000000903 blocking effect Effects 0.000 description 4
- 230000001360 synchronised effect Effects 0.000 description 4
- 239000003245 coal Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000013011 mating Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 238000004887 air purification Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000006467 substitution reaction 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
- E21F1/00—Ventilation of mines or tunnels; Distribution of ventilating currents
- E21F1/006—Ventilation at the working face of galleries or tunnels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/24—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
- B01D46/2403—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies characterised by the physical shape or structure of the filtering element
- B01D46/2411—Filter cartridges
-
- 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
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)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention relates to the technical field of mine ventilation devices, in particular to a mine ventilation device with a ventilation and dust prevention device, which comprises a ventilation pipeline, a plugging cover, spraying hardware fittings, a water pipe, a recovery box, a protection mechanism and a filtering mechanism, wherein the plugging cover is arranged on one side of the ventilation pipeline; axial fan starts, through the dust suction of air pipe in with the mine, because the setting of wire net and arc wire net, great granule debris can't pound the drum-type filter in making the dust to avoid the drum-type filter to be injured by a pound.
Description
Technical Field
The invention relates to the technical field of mine ventilation devices, in particular to a mine ventilation device with a ventilation and dust prevention device.
Background
The mine is a general name of a roadway, an underground chamber, equipment, a ground building and a structure forming an underground coal mine production system, and the production system of the mine comprises a coal conveying system, a ventilation system, a material conveying system, a drainage system and the like, wherein the ventilation system is an indispensable system in the production operation of the mine.
However, in the process of excavating a roadway, a large amount of dust can be generated, the existing underground coal mine ventilation device directly intercepts the dust through an air filter, the ventilation device mainly comprises an axial flow fan and a dustproof device, the dust can be attached to the surface of the air filter in the dustproof device, and therefore the air filter needs to be cleaned and maintained frequently to ensure the air purification effect of the air filter, but the air filter needs to be detached, cleaned after being detached and then installed, so that the maintenance of the air filter is very troublesome, and the service life of the air filter is shortened due to the fact that the dust contains large solid particles which are smashed on the air filter, and the air filter is damaged.
Disclosure of Invention
The invention aims to provide a mine ventilation device with a ventilation dustproof device, which aims to solve the problems in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme: a mine ventilation device with a ventilation and dust prevention device comprises a ventilation pipeline, a plugging cover, spraying hardware fittings, a water pipe, a recovery box, a protection mechanism and a filtering mechanism, wherein the plugging cover is arranged on one side of the ventilation pipeline;
protection mechanism includes the plectane, and plectane one side sets up the ring channel, and the plectane sets up two sets ofly, sets up the wire net between two sets of plectanes, and wire net top symmetry sets up two sets of slip wire net mechanisms, connects through a plurality of fixed establishment between two sets of slip wire net mechanisms, and a set of plectane opposite side connecting axle is one, and the axle one end sets up the bearing, and the bearing imbeds on the built-in support of air pipe.
Preferably, the filtering mechanism comprises a drum-type filter, one end of the drum-type filter is connected with the plug in a matching mode, two groups of guide pillars are symmetrically arranged on one side of the plug, a first spring is sleeved on each guide pillar, and a transmission shaft mechanism is arranged at the other end of the drum-type filter.
Preferably, slip wire net mechanism includes the arc wire net, and two sets of arc strips of arc wire net both ends symmetric connection are connected through the horizontal pole between two sets of arc strips, set up a plurality of locating holes on a set of horizontal pole.
Preferably, the fixing mechanism comprises a positioning column, a sliding chute is arranged in the positioning column, a sliding rod is arranged in the sliding chute, a second spring is sleeved on the sliding rod, two sections of the sliding rod are symmetrically provided with two groups of vertical bearings, and the vertical bearings are embedded into the clamping block.
Preferably, the transmission shaft mechanism comprises a bearing pipe, one side of the bearing pipe is connected with the other end of the drum filter in a matched mode, the other side of the bearing pipe is provided with a transmission pipe, a bearing is arranged on the transmission pipe, the bearing is embedded into a partition plate arranged in the ventilation pipeline, and one end of the transmission pipe is connected with the belt wheel.
Preferably, another group of plectane fixed connection transmission pipe, the wire net is the semicircle arc form, two sets of plectanes of wire net both ends fixed connection.
Preferably, one end of the guide post is provided with an upright bearing, and the upright bearing is embedded into a group of circular plates.
Preferably, two sets of shafts are arranged on one side of each arc-shaped strip, bearings are arranged on the shafts and rotatably connected with the annular grooves, and the distance between the two sets of arc-shaped steel wire meshes is slightly smaller than the inner diameter of the steel wire mesh in the shape of a semicircular arc.
Preferably, two groups of clamping grooves are symmetrically arranged on two sides in the positioning hole, the positioning hole is connected with the positioning column in a matched mode, and the clamping grooves are connected with the end portions of the clamping blocks in a matched mode.
Preferably, the transmission pipe and the adapting pipe are integrally formed, and the transmission pipe is communicated with the drum-type filter through the adapting pipe.
Compared with the prior art, the invention has the beneficial effects that:
1. the axial flow fan is started, dust in the mine is sucked out through the ventilating duct, and large particle impurities in the dust cannot be smashed on the drum-type filter due to the arrangement of the steel wire mesh and the arc-shaped steel wire mesh, so that the drum-type filter is prevented from being smashed;
2. when the drum-type filter needs to be cleaned, a detergent is injected into the blocking cover through the water pipe, then the atomized detergent is sprayed on the drum-type filter through the spraying hardware fitting, then the motor enables the belt pulley to rotate through the synchronous belt, the belt pulley enables the drum-type filter to rotate through the carrying pipe, the drum-type filter rotates, the detergent is uniformly sprayed on the drum-type filter, the detergent enables dust adhered to the drum-type filter to be dissolved, then the drum-type filter rotates at a high speed, dirt on the drum-type filter is thrown out through centrifugal action, and therefore automatic cleaning of the drum-type filter is achieved, and cleaning efficiency of the drum-type filter is improved;
3. when the drum-type filter needs to be replaced, at first, stir two sets of horizontal poles, make fixed establishment break away from with the locating hole, then under the mating reaction of bearing and ring channel, make two sets of slip wire net mechanisms open along the ring channel, and overlap with the wire net, then promote drum-type filter to one side, make the end cap sharp retreat under the mating reaction of guide pillar and upright bearing, and compression spring one, make the drum-type filter other end and delivery pipe break away from, thereby relieve the fixed to drum-type filter, protection machanism sets for with filtering mechanism's cooperation, the workman of being convenient for is to drum-type filter's installation and dismantlement.
Drawings
FIG. 1 is a combined view of a structural circular plate, a steel wire mesh, a cross bar, an arc-shaped strip and an arc-shaped steel wire mesh;
FIG. 2 is a front cross-sectional view of the structure of the present invention;
FIG. 3 is a side partial cross-sectional view of the structural protection mechanism of the present invention;
FIG. 4 is an enlarged view taken at A in FIG. 3;
FIG. 5 is a combination view of the circular plate, the arc-shaped strips and the annular grooves of the present invention.
In the figure: 1. a ventilation duct; 2. a blocking cover; 3. spraying hardware fittings; 4. a water pipe; 5. a recovery box; 6. a protection mechanism; 7. a filtering mechanism; 601. a circular plate; 602. steel wire mesh; 603. an annular groove; 604. a first shaft; 605. a sliding steel wire mesh mechanism; 606. a fixing mechanism; 701. a guide post; 702. a first spring; 703. a plug; 704. a drum-type filter; 705. a transmission shaft mechanism; 6051. a cross bar; 6052. an arc-shaped strip; 6053. an arc-shaped steel wire mesh; 6054. positioning holes; 6061. a positioning column; 6062. a chute; 6063. a second spring; 6064. a slide bar; 6065. a clamping block; 7051. a bearing pipe; 7052. a drive tube; 7053. a pulley.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 5, the present invention provides a technical solution: a mine ventilation device with a ventilation dust-proof device comprises a ventilation pipeline 1, a plugging cover 2, spraying fittings 3, a water pipe 4, a recovery box 5, a protection mechanism 6 and a filtering mechanism 7, wherein the plugging cover 2 is arranged on one side of the ventilation pipeline 1, one side of the plugging cover 2 is connected with the water pipe 4, a plurality of spraying fittings 3 are arranged on the other side of the plugging cover 2 at equal intervals, the recovery box 5 is arranged on the other side of the ventilation pipeline 1, the protection mechanism 6 with the functions of replacing and cleaning the filter is arranged in the ventilation pipeline 1, the filtering mechanism 7 is arranged in the protection mechanism 6, the filtering mechanism 7 comprises a drum-type filter 704, one end of the drum-type filter 704 is matched and connected with a plug 703, two groups of guide pillars 701 are symmetrically arranged on one side of the plug 703, a first spring 702 is sleeved on the guide pillars 701, a transmission shaft mechanism 705 is arranged on the other end of the drum-type filter 704, the transmission shaft mechanism 705 comprises a bearing pipe 7051, one side of the bearing pipe 7051 is matched and connected with the other end of the drum-type filter 704, the other side of the bearing pipe 7051 is provided with a transmission pipe 7052, the transmission pipe 7052 is provided with a bearing, the bearing is embedded into a partition board arranged in the ventilation pipeline 1, one end of the transmission pipe 7052 is connected with a belt wheel 7053, the transmission pipe 7052 and the bearing pipe 7051 are integrally formed, the transmission pipe 7052 is communicated with the drum-type filter 704 through the bearing pipe 7051, the ventilation pipeline 1 is connected with an axial flow fan, the belt wheel 7053 rotates in a matching way with a motor through a synchronous belt, the axial flow fan is started, dust in a mine is sucked out through the ventilation pipeline 1, due to the arrangement of the steel wire mesh 602 and the arc-shaped steel wire mesh 6053, larger particle sundries in the dust cannot be smashed on the drum-type filter 704, so that the drum-type filter 704 is prevented from being smashed, when the drum-type filter 704 needs to be cleaned, the washing agent is injected into the blocking cover 2 through the water pipe 4, and then the atomized washing agent is sprayed on the drum-type filter 704 through the spraying hardware fitting 3, then the motor rotates the belt wheel 7053 through the synchronous belt, the belt wheel 7053 rotates the drum-type filter 704 through the receiving pipe 7051, the drum-type filter 704 rotates to enable the detergent to be uniformly sprayed on the drum-type filter 704, the detergent enables dust adhered to the drum-type filter 704 to be dissolved, then the drum-type filter 704 rotates at a high speed, dirt on the drum-type filter 704 is thrown out through centrifugal action, and therefore automatic cleaning of the drum-type filter 704 is achieved, and cleaning efficiency of the drum-type filter 704 is improved;
further, the protection mechanism 6 includes circular plates 601, one side of the circular plate 601 is provided with an annular groove 603, the circular plates 601 are provided with two groups, a steel wire mesh 602 is arranged between the two groups of circular plates 601, two groups of sliding steel wire mesh mechanisms 605 are symmetrically arranged above the steel wire mesh 602, the two groups of sliding steel wire mesh mechanisms 605 are connected through a plurality of fixing mechanisms 606, the other side of the circular plate 601 is connected with a shaft I604, one end of the shaft I604 is provided with a bearing, the bearing is embedded into a support seat arranged in the ventilation duct 1, the sliding steel wire mesh mechanism 605 includes an arc-shaped steel wire mesh 6053, two ends of the arc-shaped steel wire mesh 6053 are symmetrically connected with two groups of arc-shaped bars 6052, the two groups of arc-shaped bars 6052 are connected through a cross bar 6051, a plurality of positioning holes 6054 are arranged on the cross bar 6051, the fixing mechanism 606 includes a positioning column 6061, a chute 6062 is arranged in the positioning column 6061, a sliding bar 6064 is provided with a sliding bar 6064, two groups of springs 6063 are symmetrically arranged on the sliding bar 6064, the vertical bearing is embedded into a fixture block 6065, the other group of circular plates 601 is fixedly connected with a transmission pipe 7052, the steel wire mesh 602 is in a semi-circular arc shape, two ends of the steel wire mesh 602 are fixedly connected with two groups of circular plates 601, one end of a guide pillar 701 is provided with the vertical bearing, the vertical bearing is embedded into one group of circular plates 601, one side of an arc-shaped strip 6052 is provided with two groups of shafts, the shafts are provided with bearings, the bearings are rotatably connected with annular grooves 603, the distance between the two groups of arc-shaped steel wire meshes 6053 is slightly smaller than the inner diameter of the semi-circular arc-shaped steel wire mesh 602, two groups of clamping grooves are symmetrically arranged on two sides in a positioning hole 6054, the positioning hole 6054 is matched and connected with a positioning column 6061, the clamping grooves are matched and connected with the end part of the fixture block 6065, when the drum-type filter 704 needs to be replaced, firstly, the two groups of cross rods 6051 are shifted to separate the fixing mechanism 606 from the positioning hole 6054, then under the matching action of the bearings and the annular grooves 603, the two groups of sliding steel wire mesh mechanisms are opened along the annular grooves 603 and are overlapped with the steel wire mesh 602, then, the drum filter 704 is pushed to one side, the plug 703 is linearly retreated under the matching action of the guide column 701 and the vertical bearing, and the first spring 702 is compressed, so that the other end of the drum filter 704 is separated from the bearing pipe 7051, the fixing of the drum filter 704 is released, the matching setting of the protection mechanism 6 and the filtering mechanism 7 is released, and the installation and the disassembly of the drum filter 704 by workers are facilitated.
The working principle is as follows: in the using process, when the drum-type filter 704 needs to be cleaned, detergent is injected into the blocking cover 2 through the water pipe 4, atomized detergent is sprayed on the drum-type filter 704 through the spraying hardware fittings 3, then the motor enables the belt pulley 7053 to rotate through the synchronous belt, the belt pulley 7053 enables the drum-type filter 704 to rotate through the receiving pipe 7051, the drum-type filter 704 rotates, the detergent is evenly sprayed on the drum-type filter 704, the detergent enables dust adhered to the drum-type filter 704 to be dissolved, then the drum-type filter 704 rotates at a high speed, dirt on the drum-type filter 704 is thrown out through centrifugal action, when the drum-type filter 704 needs to be replaced, firstly, the two groups of cross rods 6051 are poked, the fixing mechanism 606 is separated from the positioning hole 6054, then the two groups of sliding steel wire mesh mechanisms 605 are opened along the annular groove 603 under the matching action of the bearing and the annular groove 603, and overlapped with the wire mesh 602, and then the drum filter 704 is pushed to one side, so that the plug 703 is linearly retreated by the cooperation of the guide column 701 and the upright bearing, and the first spring 702 is compressed, so that the other end of the drum filter 704 is separated from the receiving pipe 7051, thereby releasing the fixation of the drum filter 704.
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 (10)
1. The utility model provides a dust keeper mine ventilation unit takes a breath, includes air pipe (1), shutoff lid (2), spraying gold utensil (3), water pipe (4), retrieves box (5), protection mechanism (6), filtering mechanism (7), air pipe (1) one side sets up shutoff lid (2), water pipe (4) are connected to shutoff lid (2) one side, and shutoff lid (2) opposite side equidistance sets up a plurality of spraying gold utensils (3), air pipe (1) opposite side sets up retrieves box (5), its characterized in that: a protection mechanism (6) with the functions of facilitating replacement and cleaning of the filter is arranged in the ventilation pipeline (1), and a filtering mechanism (7) is arranged in the protection mechanism (6);
protection mechanism (6) include plectane (601), plectane (601) one side sets up ring channel (603), and plectane (601) sets up two sets of, and is two sets of set up wire net (602) between plectane (601), wire net (602) top symmetry sets up two sets of sliding wire net mechanism (605), and is two sets of connect through a plurality of fixed establishment (606) between sliding wire net mechanism (605), and is a set of plectane (601) opposite side connecting axle (604), axle (604) one end sets up the bearing, the bearing imbeds on air pipe (1) built-in support.
2. A mine ventilation device with air exchange and dust prevention as claimed in claim 1, wherein: the filtering mechanism (7) comprises a drum-type filter (704), one end of the drum-type filter (704) is connected with a plug (703) in a matching mode, two groups of guide columns (701) are symmetrically arranged on one side of the plug (703), a first spring (702) is sleeved on each guide column (701), and a transmission shaft mechanism (705) is arranged at the other end of the drum-type filter (704).
3. A mine ventilation device with air exchange and dust prevention as claimed in claim 1, wherein: slide wire net mechanism (605) includes arc wire net (6053), arc wire net (6053) both ends symmetric connection two sets of arc strip (6052), and is two sets of connect through horizontal pole (6051) between arc strip (6052), it is a set of set up a plurality of locating holes (6054) on horizontal pole (6051).
4. A mine ventilation device with air exchange and dust prevention as claimed in claim 1, wherein: fixed establishment (606) includes reference column (6061), built-in spout (6062) of reference column (6061), set up slide bar (6064) in spout (6062), spring two (6063) are established to the cover on slide bar (6064), and two sections symmetries of slide bar (6064) set up two sets of bearings that stand immediately, stand bearing embedding fixture block (6065).
5. A mine ventilation device with air exchange and dust prevention as claimed in claim 1, wherein: the transmission shaft mechanism (705) comprises a bearing pipe (7051), one side of the bearing pipe (7051) is matched and connected with the other end of the drum-type filter (704), the other side of the bearing pipe (7051) is provided with a transmission pipe (7052), a bearing is arranged on the transmission pipe (7052), the bearing is embedded into a partition plate arranged in the ventilation pipeline (1), and one end of the transmission pipe (7052) is connected with a belt pulley (7053).
6. A mine ventilation device with air exchange and dust prevention as claimed in claim 1, wherein: and the other group of circular plates (601) are fixedly connected with a transmission pipe (7052), the steel wire mesh (602) is in a semi-circular arc shape, and two groups of circular plates (601) are fixedly connected at two ends of the steel wire mesh (602).
7. A mine ventilation device with air exchange and dust prevention as claimed in claim 2, wherein: one end of the guide post (701) is provided with a vertical bearing, and the vertical bearing is embedded into a group of circular plates (601).
8. A mine ventilation device with air exchange and dust prevention as claimed in claim 3, wherein: arc strip (6052) one side sets up two sets of axles, epaxial the setting bearing, the bearing rotates and connects ring channel (603), and is two sets of the interval of arc wire net (6053) slightly is less than the internal diameter of wire net (602) of semicircle shape.
9. A mine ventilation device with air exchange and dust prevention as claimed in claim 3, wherein: two groups of clamping grooves are symmetrically arranged on two sides in the positioning hole (6054), the positioning hole (6054) is connected with the positioning column (6061) in a matched mode, and the clamping grooves are connected with the end portion of the clamping block (6065) in a matched mode.
10. A mine ventilation device with air exchange and dust prevention as claimed in claim 5, wherein: the transmission pipe (7052) and the bearing pipe (7051) are integrally formed, and the transmission pipe (7052) is communicated with the drum-type filter (704) through the bearing pipe (7051).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110610968.6A CN113417685B (en) | 2021-06-01 | 2021-06-01 | Mine ventilation device with ventilation dustproof device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110610968.6A CN113417685B (en) | 2021-06-01 | 2021-06-01 | Mine ventilation device with ventilation dustproof device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113417685A true CN113417685A (en) | 2021-09-21 |
| CN113417685B CN113417685B (en) | 2024-06-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110610968.6A Active CN113417685B (en) | 2021-06-01 | 2021-06-01 | Mine ventilation device with ventilation dustproof device |
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| CN (1) | CN113417685B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209179808U (en) * | 2018-11-19 | 2019-07-30 | 河南工业和信息化职业学院 | Cooling device is used in a kind of ventilation of underground coal mine |
| CN211598731U (en) * | 2019-11-30 | 2020-09-29 | 内蒙古聚祥煤业集团有限公司阳塔煤矿 | Mine underground ventilation dust removal device |
| CN212177206U (en) * | 2020-06-03 | 2020-12-18 | 朱思刚 | Coal mine underground fully-mechanized roadway dual dust-settling device |
| CN212614828U (en) * | 2020-06-10 | 2021-02-26 | 张兵兵 | Ventilation equipment for coal mine safety |
| KR20210026333A (en) * | 2019-08-30 | 2021-03-10 | 나기원 | Air supply and ventilation air purifier for subway main line |
| CN112502767A (en) * | 2020-12-03 | 2021-03-16 | 山东科技大学 | Dust fall breather is used in coal mining |
| CN213088293U (en) * | 2020-08-17 | 2021-04-30 | 高焕婷 | Coal mine operation ventilation unit |
-
2021
- 2021-06-01 CN CN202110610968.6A patent/CN113417685B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209179808U (en) * | 2018-11-19 | 2019-07-30 | 河南工业和信息化职业学院 | Cooling device is used in a kind of ventilation of underground coal mine |
| KR20210026333A (en) * | 2019-08-30 | 2021-03-10 | 나기원 | Air supply and ventilation air purifier for subway main line |
| CN211598731U (en) * | 2019-11-30 | 2020-09-29 | 内蒙古聚祥煤业集团有限公司阳塔煤矿 | Mine underground ventilation dust removal device |
| CN212177206U (en) * | 2020-06-03 | 2020-12-18 | 朱思刚 | Coal mine underground fully-mechanized roadway dual dust-settling device |
| CN212614828U (en) * | 2020-06-10 | 2021-02-26 | 张兵兵 | Ventilation equipment for coal mine safety |
| CN213088293U (en) * | 2020-08-17 | 2021-04-30 | 高焕婷 | Coal mine operation ventilation unit |
| CN112502767A (en) * | 2020-12-03 | 2021-03-16 | 山东科技大学 | Dust fall breather is used in coal mining |
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| Publication number | Publication date |
|---|---|
| CN113417685B (en) | 2024-06-11 |
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