CN213790741U - Underground ventilation device for coal mine excavation - Google Patents
Underground ventilation device for coal mine excavation Download PDFInfo
- Publication number
- CN213790741U CN213790741U CN202022725680.7U CN202022725680U CN213790741U CN 213790741 U CN213790741 U CN 213790741U CN 202022725680 U CN202022725680 U CN 202022725680U CN 213790741 U CN213790741 U CN 213790741U
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- Prior art keywords
- filter screen
- air
- wall
- fan
- dust
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- 238000009423 ventilation Methods 0.000 title claims abstract description 52
- 239000003245 coal Substances 0.000 title claims description 26
- 238000009412 basement excavation Methods 0.000 title description 3
- 238000001914 filtration Methods 0.000 claims abstract description 38
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 17
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 10
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 8
- 238000004140 cleaning Methods 0.000 claims description 14
- 239000011148 porous material Substances 0.000 claims description 14
- 238000005065 mining Methods 0.000 claims description 10
- 239000007921 spray Substances 0.000 claims description 9
- 239000000428 dust Substances 0.000 abstract description 32
- 239000012535 impurity Substances 0.000 abstract description 4
- 238000011045 prefiltration Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000036541 health Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- RHZUVFJBSILHOK-UHFFFAOYSA-N anthracen-1-ylmethanolate Chemical compound C1=CC=C2C=C3C(C[O-])=CC=CC3=CC2=C1 RHZUVFJBSILHOK-UHFFFAOYSA-N 0.000 description 1
- 239000003830 anthracite Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002802 bituminous coal Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000003077 lignite Substances 0.000 description 1
- 239000002932 luster Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000003415 peat Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
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- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The utility model relates to a colliery digging tool technical field just discloses a colliery is excavated and is used ventilation unit in pit, including the device casing, device casing top and water storage box bottom fixed connection, water storage box bottom and atomizer top are linked together. This colliery is excavated and is used ventilation unit in pit, through the fan with among the air suction ventilation unit, carry out the prefilter through the dust of first filter screen in to the air, through secondary filter net to air secondary filter, it takes place danger to avoid the too much messenger workman of dust in the air to inhale, through atomizer, make tiny dust in the air deposit, promote clean board through the motor, be convenient for clear up the dust, the peculiar smell and the impurity of filter paper filter plate active carbon filter plate in to the air carry out last filtration, long-time after-use device need clean, the filter screen all can directly be dismantled, thereby when having solved ventilation unit and using filtration equipment for a long time and need clean, dismantle comparatively loaded down with trivial details problem.
Description
Technical Field
The utility model relates to a colliery digging apparatus technical field specifically is a colliery is excavated and is used ventilation unit in pit.
Background
Coal mines are areas where humans mine coal resources in coal-rich mining areas, and are generally divided into underground coal mines and opencast coal mines. When the coal seam is far from the ground surface, a tunnel is usually dug to the underground, so that the coal is a mineworker coal mine. When the coal seam is very close to the earth surface, the coal is generally excavated by directly stripping the earth surface, which is an open pit coal mine. It is formed by that the flourishing plants grown in a certain geologic age are gradually piled up into a thick layer in a proper geologic environment, and are buried in the water bottom or silt, and then are subjected to the natural coalification action in a long geologic age. The carbon content of the coal is generally 46-97%, and the coal is brown to black and has dull to metallic luster. According to the degree of coalification, coal can be classified into peat, lignite, bituminous coal and anthracite. The dust blocking and filtering device has the advantages that the dust blocking and filtering device needs to enter a mine in the process of mining a coal mine, miners working in the mine need to use the ventilation device, but the existing ventilation device only has poor dust blocking and filtering effects in the using process, so that dust enters the mine along with air, and the physical health of the miners is seriously affected.
Chinese patent publication No. CN211448741U provides a coal mining underground ventilation device, including defeated tuber pipe, the right side of defeated tuber pipe is through flange fixedly connected with air inlet box, the air intake has been seted up at the top of air inlet box, the top of air inlet box is provided with the apron, first opening has been seted up at the top of apron, first open-ended internal weld has the block net. The utility model discloses a through setting up defeated tuber pipe, the air inlet case, a cover plate, first opening, the block, the dog, place the board, the sponge filter plate, water supply installation, the water tank, the inlet tube, the outlet pipe, T type connecting pipe, the sponge strip, the setting of drain pipe and closing cap, it only carries out the simple problem that blocks dust filter effect not good to have solved current ventilation unit at the in-process that uses, this colliery is excavated and is used ventilation unit in the pit, possess the advantage of wet absorption dust, very big reduction the content of dust granule in the air, the damage that the dust caused to user's health has been reduced, but this ventilation unit uses filtration equipment when needing to be clean for a long time, it is comparatively loaded down with trivial details to dismantle.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
Not enough to prior art, the utility model provides a colliery is excavated and is used ventilation unit in pit has solved ventilation unit and has used filtration equipment for a long time and need when clean, dismantles comparatively loaded down with trivial details problem.
(II) technical scheme
In order to achieve the above object, the utility model provides a following technical scheme: a downhole ventilation device for coal mining comprises a device shell, wherein the top of the device shell is fixedly connected with the bottom of a water storage tank, the bottom of the water storage tank is communicated with the top of an atomizing spray head, the top end of the atomizing spray head penetrates through the inner wall of the top of the device shell, the bottom of the inner wall of the device shell is contacted with the bottom of a cleaning plate, the back of the cleaning plate is fixedly connected with the front of a fixed block, the rear end of the fixed block is rotatably connected with the front end of a pushing block, the rear end of the pushing block is rotatably connected with the bottom end of a rotating block through a rotating shaft, the inner wall of the top end of the rotating block is fixedly connected with the outer surface of an output end of a motor, a through hole is formed in the bottom of the left end of the device shell, the inner wall of the left side of the bottom end of the device shell is fixedly connected with the right side surface of a turning plate connecting block, the bottom end of the turning plate connecting block is rotatably connected with the right end of a turning plate, a secondary filter screen is arranged at the left end of the device shell, and the left side surface of the device shell is communicated with a right side surface of a ventilation pipe, a ventilation pipe top and connecting piece bottom fixed connection, the connecting piece rotates with first filter screen top to be connected, first filter screen surface contacts with a ventilation pipe middle part cavity inner wall, device casing middle part inner wall contacts with filter paper filter plate lateral surface, device casing middle part inner wall contacts with active carbon filter plate lateral surface, device casing right flank is linked together with two left surfaces of ventilation pipe, two left surfaces of ventilation pipe and cubic filter screen right flank fixed connection, two inner walls of ventilation pipe and fan support lateral surface fixed connection, fan support inner wall and fan surface fixed connection.
Preferably, the surfaces of the primary filter screen, the secondary filter screen and the tertiary filter screen are all provided with filter holes.
Preferably, the filtration pore on the first filter screen is greater than the filtration pore of secondary filter screen, the filtration pore of secondary filter screen is greater than the filtration pore of tertiary filter screen.
Preferably, the surfaces of the primary filter screen and the secondary filter screen are provided with handles, and a cavity matched with the position of the secondary filter screen is formed in the shell of the device.
Preferably, the fan can be divided into a fan motor and fan blades, and six fan blades are uniformly connected to the fan.
Preferably, both ends communicate with a set of atomizer top respectively around the water storage box bottom, every group the atomizer bottom has all seted up the spout.
(III) advantageous effects
Compared with the prior art, the utility model provides a colliery is excavated and is used ventilation unit in pit possesses following beneficial effect:
1. this colliery is excavated and is used ventilation unit in pit, through the fan with among the air suction ventilation unit, carry out the prefilter through the dust of first filter screen in to the air, through secondary filter net to air secondary filter, it takes place danger to avoid the too much messenger workman of dust in the air to inhale, through atomizer, make tiny dust in the air deposit, promote clean board through the motor, be convenient for clear up the dust, the peculiar smell and the impurity of filter paper filter plate active carbon filter plate in to the air carry out last filtration, long-time after-use device need clean, the filter screen all can directly be dismantled, thereby when having solved ventilation unit and using filtration equipment for a long time and need clean, dismantle comparatively loaded down with trivial details problem.
2. This colliery is excavated and is used ventilation unit in pit, through first filter screen, the filtration pore has all been seted up on secondary filter screen and cubic filter screen surface, be convenient for filter the dust in the air, filtration pore is greater than secondary filter screen's filtration pore through the filtration pore of crossing on the first filter screen, secondary filter screen's filtration pore is greater than cubic filter screen's filtration pore, be convenient for make the not equidimension dust in the air filtered away, all be provided with the handle through first filter screen and secondary filter screen surface, set up on the device casing with secondary filter screen position assorted cavity, be convenient for clear up the filter screen.
Drawings
FIG. 1 is a sectional view of the present invention;
FIG. 2 is a schematic view of the filter screen of the present invention;
fig. 3 is a schematic view of the structure of the pushing block of the present invention.
In the figure: 1. a device housing; 2. a water storage tank; 3. an atomizing spray head; 4. filtering paper and filtering plate; 5. an active carbon filter plate; 6. cleaning the plate; 7. a fixed block; 8. a pushing block; 9. a rotating shaft; 10. rotating the block; 11. a motor; 12. a secondary filter screen; 13. a first ventilation pipe; 14. a connecting member; 15. a fan bracket; 16. primary filtering by a filter screen; 17. turning over a plate; 18. a turnover plate connecting block; 19. a second ventilation pipe; 20. a third filtering net; 21. a fan.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: a downhole ventilation device for coal mining comprises a device shell 1, the top of the device shell 1 is fixedly connected with the bottom of a water storage tank 2, the bottom of the water storage tank 2 is communicated with the top of an atomizing spray head 3, the top end of the atomizing spray head 3 penetrates through the inner wall of the top of the device shell 1, the bottom of the inner wall of the device shell 1 is contacted with the bottom of a cleaning plate 6, the back of the cleaning plate 6 is fixedly connected with the front of a fixed block 7, the rear end of the fixed block 7 is rotatably connected with the front end of a pushing block 8, the rear end of the pushing block 8 is rotatably connected with the bottom end of a rotating block 10 through a rotating shaft 9, the inner wall of the top end of the rotating block 10 is fixedly connected with the outer surface of the output end of a motor 11, the bottom of the left end of the device shell 1 is provided with a through hole, the inner wall of the left end of the device shell 1 is fixedly connected with the right side of a turning plate connecting block 18, the bottom end of the turning plate connecting block 18 is rotatably connected with the right end of a turning plate 17, and the left end of the device shell is provided with a secondary filter screen 12, the left side surface of a device shell 1 is communicated with the right side surface of a ventilation pipe I13, the top of the ventilation pipe I13 is fixedly connected with the bottom of a connecting piece 14, the connecting piece 14 is rotatably connected with the top end of a primary filter screen 16, the outer surface of the primary filter screen 16 is contacted with the inner wall of a cavity in the middle of the ventilation pipe I13, the inner wall in the middle of the device shell 1 is contacted with the outer side surface of a filter paper filter plate 4, the inner wall in the middle of the device shell 1 is contacted with the outer side surface of an active carbon filter plate 5, the right side surface of the device shell 1 is communicated with the left side surface of a ventilation pipe II 19, the left side surface of the ventilation pipe II 19 is fixedly connected with the right side surface of a tertiary filter screen 20, the inner wall of the ventilation pipe II 19 is fixedly connected with the outer side surface of a fan support 15, and the inner wall of the fan support 15 is fixedly connected with the outer surface of a fan 21.
Specifically, in order to facilitate the filtering of dust in the air, the surfaces of the primary filter screen 16, the secondary filter screen 12 and the tertiary filter screen 20 are all provided with filter holes, and dust with different sizes is filtered through three layers of filter screens.
Specifically, in order to filter out dust with different sizes in the air, the filtering holes of the primary filter screen 16 are larger than the filtering holes of the secondary filter screen 12, and the filtering holes of the secondary filter screen 12 are larger than the filtering holes of the tertiary filter screen 20, so that the filtering effect of the filter screens is improved.
Specifically, in order to facilitate cleaning of the filter screen, the surfaces of the primary filter screen 16 and the secondary filter screen 12 are provided with handles, a cavity matched with the position of the secondary filter screen 12 is formed in the device shell 1, and the filter screen is pulled out of the device shell 1 through the handles to be cleaned.
Specifically, in order to increase the air flow rate, the fan 21 may be divided into a fan motor and six fan blades, and six fan blades are uniformly connected to the fan 21, so that the air flow rate is increased by the rotation of the fan.
Specifically, for the convenience of making the dust in the air deposit, both ends communicate with 3 tops of a set of atomizer respectively around 2 bottoms of water storage box, and the spout has all been seted up to 3 bottoms of every group atomizer, and the dust in the air is deposited to device casing 1 bottom by steam parcel.
The working principle is as follows: open fan 21 and inhale the ventilation unit with the air in, the air is filter 16 for the first time and is carried out prefilter to the dust in the air, secondary filter 12 is to the air secondary filter, 3 blowout water smoke of atomizer with the 2 intercommunications of water storage box, make tiny dust in the air deposit, it promotes cleaning plate 6 and drives cleaning plate 6 and remove to open motor 11, clear up out the dust outside device casing 1, filter paper filter plate 4 active carbon filter plate 5 filters the peculiar smell and the impurity in the air at last, the filter screen needs to be clean after long-time the use, the filter screen all can directly be dismantled.
To sum up, the underground ventilation device for coal mine excavation sucks air into the ventilation device through the fan 21, primarily filters dust in the air through the primary filter screen 16, secondarily filters the air through the secondary filter screen 12, avoids danger caused by excessive dust in the air which is sucked by workers, precipitates fine dust in the air through the atomizing nozzle 3, pushes the cleaning plate 6 through the motor 11 to facilitate cleaning of the dust, finally filters peculiar smell and impurities in the air through the filter paper filter plate 4 and the activated carbon filter plate 5, needs cleaning after long-time use, can be directly disassembled, thereby solving the problem that the disassembly is complicated when the ventilation device uses the filter equipment for a long time and needs cleaning, and is convenient for filtering dust in the air through the primary filter screen 16, the secondary filter screen 12 and the tertiary filter screen 20 which are provided with filter holes on the surfaces, the filtering holes in the primary filter screen 16 are larger than the filtering holes in the secondary filter screen 12, the filtering holes in the secondary filter screen 12 are larger than the filtering holes in the tertiary filter screen 20, dust in the air is conveniently filtered out, the surface of the primary filter screen 16 and the surface of the secondary filter screen 12 are provided with handles, and a cavity matched with the position of the secondary filter screen 12 is formed in the device shell 1, so that the filter screen is convenient to clean.
The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.
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 (6)
1. The utility model provides a colliery is excavated and is used ventilation unit in pit, includes device casing (1), its characterized in that: the device is characterized in that the top of the device shell (1) is fixedly connected with the bottom of the water storage tank (2), the bottom of the water storage tank (2) is communicated with the top of the atomizing spray head (3), the top end of the atomizing spray head (3) penetrates through the inner wall of the top of the device shell (1), the bottom of the inner wall of the device shell (1) is contacted with the bottom of the cleaning plate (6), the back of the cleaning plate (6) is fixedly connected with the front of the fixed block (7), the rear end of the fixed block (7) is rotatably connected with the front end of the pushing block (8), the rear end of the pushing block (8) is rotatably connected with the bottom of the rotating block (10) through the rotating shaft (9), the inner wall of the top end of the rotating block (10) is fixedly connected with the outer surface of the output end of the motor (11), the bottom of the left end of the device shell (1) is provided with a through hole, the inner wall of the left side of the bottom of the device shell (1) is fixedly connected with the right side surface of the turning plate connecting block (18), the board connecting block that turns over (18) bottom is rotated with the board (17) right-hand member and is connected, device casing (1) left end is provided with secondary filter screen (12), device casing (1) left surface is linked together with ventilation pipe (13) right flank, ventilation pipe (13) top and connecting piece (14) bottom fixed connection, connecting piece (14) are rotated with first filter screen (16) top and are connected, first filter screen (16) surface contacts with ventilation pipe (13) middle part cavity inner wall, device casing (1) middle part inner wall contacts with filter paper filter plate (4) lateral surface, device casing (1) middle part inner wall contacts with active carbon filter plate (5) lateral surface, device casing (1) right flank is linked together with two (19) left flanks of ventilation pipe, two (19) left flanks of ventilation pipe and tertiary filter screen (20) right flank fixed connection, the inner wall of the second ventilation pipe (19) is fixedly connected with the outer side face of the fan support (15), and the inner wall of the fan support (15) is fixedly connected with the outer surface of the fan (21).
2. The underground ventilation device for coal mining according to claim 1, wherein: the surfaces of the primary filter screen (16), the secondary filter screen (12) and the tertiary filter screen (20) are all provided with filter holes.
3. The underground ventilation device for coal mining according to claim 2, wherein: the filtration pore on first filter screen (16) is greater than the filtration pore of secondary filter screen (12), the filtration pore of secondary filter screen (12) is greater than the filtration pore of tertiary filter screen (20).
4. The underground ventilation device for coal mining according to claim 1, wherein: the surface of the primary filter screen (16) and the surface of the secondary filter screen (12) are both provided with handles, and a cavity matched with the position of the secondary filter screen (12) is formed in the device shell (1).
5. The underground ventilation device for coal mining according to claim 1, wherein: the fan (21) can be divided into a fan motor and fan blades, and six fan blades are uniformly connected to the fan (21).
6. The underground ventilation device for coal mining according to claim 1, wherein: the front end and the rear end of the bottom of the water storage tank (2) are respectively communicated with the tops of a group of atomizing spray heads (3), and a nozzle is formed in the bottom of each group of atomizing spray heads (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022725680.7U CN213790741U (en) | 2020-11-23 | 2020-11-23 | Underground ventilation device for coal mine excavation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022725680.7U CN213790741U (en) | 2020-11-23 | 2020-11-23 | Underground ventilation device for coal mine excavation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213790741U true CN213790741U (en) | 2021-07-27 |
Family
ID=76937864
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022725680.7U Expired - Fee Related CN213790741U (en) | 2020-11-23 | 2020-11-23 | Underground ventilation device for coal mine excavation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213790741U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116357371A (en) * | 2023-03-29 | 2023-06-30 | 锡矿山闪星锑业有限责任公司 | A air reversing device for ventilation during mine operation |
-
2020
- 2020-11-23 CN CN202022725680.7U patent/CN213790741U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116357371A (en) * | 2023-03-29 | 2023-06-30 | 锡矿山闪星锑业有限责任公司 | A air reversing device for ventilation during mine operation |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210727 |