CN212479305U - Mine ventilation structure capable of effectively controlling air flow - Google Patents
Mine ventilation structure capable of effectively controlling air flow Download PDFInfo
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- CN212479305U CN212479305U CN202021248268.4U CN202021248268U CN212479305U CN 212479305 U CN212479305 U CN 212479305U CN 202021248268 U CN202021248268 U CN 202021248268U CN 212479305 U CN212479305 U CN 212479305U
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- fixedly connected
- air
- air supply
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- pipe
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Abstract
The utility model discloses a mine ventilation structure that can effective control wind flow, including the pressurization forced draught blower, the upper end fixedly connected with connecting pipe of pressurization forced draught blower, the fixed surface of connecting pipe is connected with the check valve, the top fixedly connected with main blast pipe of connecting pipe, the fixed surface of main blast pipe is connected with air supply branch pipe, air supply branch pipe's fixed surface is connected with the valve, air supply branch pipe's bottom fixedly connected with drainage bellows, the interior diapire fixedly connected with partition panel of drainage bellows, the spout has been seted up in the front of partition panel. This mine ventilation structure that can effective control air current through setting up partition panel, door plant, step-down bellows and hand wheel, refers to the rotatory hand wheel of manometer, opens the door plant, and a small amount of highly-compressed air gets into and forms the ordinary pressure air in the step-down bellows, under the effect of door plant, makes the end of main blast pipe still keep the high atmospheric pressure to realize the effect of effective control air current.
Description
Technical Field
The utility model relates to a mine ventilation technical field specifically is a mine ventilation structure that can effective control wind current.
Background
Mine ventilation means that fresh air is input into a mine, the oxygen concentration is increased, toxic and harmful gases and dust in the mine are diluted and removed, and the basic tasks of the mine ventilation are as follows: enough fresh air is supplied to the underground to meet the requirement of personnel on oxygen; harmful gas and dust in the well are diluted, and safe production is ensured; in order to adjust the underground climate and create a good working environment, structures for guiding and controlling the wind flow, namely ventilation facilities, which are divided into facilities for guiding the wind flow and cutting off the wind flow, must be built in some roadways in order to make the underground wind flow and be distributed along a designated route.
Current mine ventilation trunk line total length overlength, air flow resistance is big, and has seted up more guide reposition of redundant personnel ventilation facility along the way, causes terminal air pipe wind speed not enough, can not satisfy the demand of secret oxygen suppliment, consequently, the utility model provides a can effective control wind flow's mine ventilation structure.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a mine ventilation structure that can effective control wind current to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a mine ventilation structure capable of effectively controlling air flow comprises a pressurizing air feeder, wherein the upper end of the pressurizing air feeder is fixedly connected with a connecting pipe, the surface of the connecting pipe is fixedly connected with a one-way valve, the top end of the connecting pipe is fixedly connected with a main air supply pipe, the surface of the main air supply pipe is fixedly connected with an air supply branch pipe, the surface of the air supply branch pipe is fixedly connected with a valve, the bottom end of the air supply branch pipe is fixedly connected with a drainage air box, the inner bottom wall of the drainage air box is fixedly connected with a partition plate, the front of the partition board is provided with a chute, the inner wall of the chute is connected with a gate board in a sliding way, the front of the partition board is fixedly connected with a pressure reducing air box, the front of the pressure reducing air box is fixedly connected with a rectifier, the front of the drainage air box is provided with an open slot, and the inner wall of the open slot is fixedly connected with an electric shutter, and the upper surface of the drainage bellows is respectively provided with an operation indicator light and a pressure gauge.
Preferably, the number of the drainage air boxes is multiple, and the multiple drainage air boxes are communicated with the main air supply pipe through the air supply branch pipes.
Preferably, the bottom end of the air supply branch pipe extends into the drainage air box, and the bottom end of the air supply branch pipe is fixedly connected with the back face of the partition plate.
Preferably, the side fixedly connected with installation limiting plate of drainage bellows, threaded hole is seted up to the side of installation limiting plate, and the inner wall threaded connection of screw hole has the threaded rod, the left end of threaded rod extends to in the drainage bellows, the left end of threaded rod is rotated with the side of gate board and is connected, the right-hand member fixedly connected with hand wheel of threaded rod.
Preferably, the surface of the pressure reducing air box is provided with a mounting hole, the inner wall of the mounting hole is fixedly connected with a pressure sensor, and the pressure gauge is communicated with the pressure reducing air box through a copper pipe.
Preferably, the inner wall fixedly connected with of rectifier has a plurality of cowling panels, the rectifier is provided with the filter screen with electronic shutter's opposite face.
Advantageous effects
The utility model provides a mine ventilation structure that can effective control wind current possesses following beneficial effect:
1. this mine ventilation structure that can effective control air current through setting up partition panel, door plant, step-down bellows and hand wheel, refers to the rotatory hand wheel of manometer, opens the door plant, and a small amount of highly-compressed air gets into and forms the ordinary pressure air in the step-down bellows, under the effect of door plant, makes the end of main blast pipe still keep the high atmospheric pressure to realize the effect of effective control air current.
2. This mine ventilation structure that can effective control wind current through setting up air supply branch pipe, valve and drainage bellows, the shutoff valve makes things convenient for the maintenance and the maintenance of drainage bellows, through setting up step-down bellows and rectifier, and highly-compressed air is the rectifier of flowing through fast after the decompression, and the disorderly air current of rectifying plate cutting in the rectifier prevents that high-speed air current from forming the vortex and producing the noise to realize the effect of noise abatement.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic side sectional view of a drainage bellows;
fig. 3 is an enlarged schematic view of a portion a in fig. 2.
In the figure: 1 pressurizing air feeder, 2 connecting pipes, 3 one-way valves, 4 main air feeding pipes, 5 air feeding branch pipes, 6 valves, 7 drainage air boxes, 8 partition plates, 9 gate plates, 10 pressure reducing air boxes, 11 rectifiers, 12 electric shutters, 13 operation indicating lamps, 14 pressure gauges, 15 installation limiting plates and 16 pressure sensors.
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: the utility model provides a mine ventilation structure that can effective control wind flow, including pressurization forced draught blower 1, the upper end fixedly connected with connecting pipe 2 of pressurization forced draught blower 1, the fixed surface of connecting pipe 2 is connected with check valve 3, the top fixedly connected with main blast pipe 4 of connecting pipe 2, the fixed surface of main blast pipe 4 is connected with air supply branch pipe 5, the fixed surface of air supply branch pipe 5 is connected with valve 6, the bottom fixedly connected with drainage bellows 7 of air supply branch pipe 5, the quantity of drainage bellows 7 is a plurality of, and a plurality of drainage bellows 7 all communicate with main blast pipe 4 through air supply branch pipe 5, through setting up air supply branch pipe 5, valve 6 and drainage bellows 7, shutoff valve 6, make things convenient for the maintenance and the maintenance of drainage bellows 7.
Interior diapire fixedly connected with partition panel 8 of drainage bellows 7, the bottom of air supply branch pipe 5 extends to in the drainage bellows 7, the bottom of air supply branch pipe 5 and the back fixed connection of partition panel 8, the spout has been seted up in the front of partition panel 8, the inner wall sliding connection of spout has brake plate 9, the side fixedly connected with installation limiting plate 15 of drainage bellows 7, the threaded hole is seted up to the side of installation limiting plate 15, and the inner wall threaded connection of screw hole has the threaded rod, the left end of threaded rod extends to in the drainage bellows 7, the left end of threaded rod rotates with brake plate 9's side to be connected, the right-hand member fixedly connected with hand wheel of threaded rod.
The front surface of the partition plate 8 is fixedly connected with a pressure reducing air box 10, the surface of the pressure reducing air box 10 is provided with a mounting hole, and the inner wall of the mounting hole is fixedly connected with a pressure sensor 16, the front of the pressure reducing air box 10 is fixedly connected with a rectifier 11, the front of the drainage air box 7 is provided with an open slot, and the inner wall of the open slot is fixedly connected with an electric shutter 12, the upper surface of the drainage air box 7 is respectively provided with an operation indicator lamp 13 and a pressure gauge 14, the pressure gauge 14 is communicated with the decompression air box 10 through a copper pipe, the inner wall of the rectifier 11 is fixedly connected with a plurality of rectifier plates, the opposite surfaces of the rectifier 11 and the electric shutter 12 are provided with filter screens, through setting up step-down bellows 10 and rectifier 11, high-pressure air is fast flow through rectifier 11 after the decompression, and the turbulent air current of rectifying plate cutting in rectifier 11 prevents that high-speed air current from forming the vortex and producing the noise to realize the effect of noise reduction.
Through setting up partition panel 8, gate board 9, step-down bellows 10 and hand wheel, refer to 14 rotatory hand wheels of manometer, open gate board 9, a small amount of highly-compressed air gets into and forms the ordinary pressure air in the step-down bellows 10, under the effect of gate board 9, makes the end of main blast pipe 4 still keep the high-pressure air to realize the effect of effective control distinguished and admirable.
The working principle is as follows: when the mine ventilation structure capable of effectively controlling the air flow is used, the pressurizing air feeder 1 is installed outside a mine, the drainage air boxes 7 are installed in a roadway in the mine, one drainage air box 7 is arranged at a certain distance, the drainage air boxes 7 are communicated with the pressurizing air feeder 1 on the ground through the main air supply pipe 4, the hand wheel is rotated, the gate plate 9 is opened, a small amount of high-pressure air in the main air supply pipe 4 enters the decompression air box 10 to form normal-pressure air, the tail end of the main air supply pipe 4 still keeps high air pressure under the action of the gate 9, the valve 6 is turned off, maintenance and repair of the drainage air boxes 7 are facilitated, the high-pressure air rapidly flows through the rectifier 11 after being decompressed, the rectifier plate in the rectifier 11 cuts disordered air flow, the high-speed air flow is prevented from forming vortex to generate noise, and the ventilation structure has the functions of controlling the air flow and reducing the.
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 mine ventilation structure of ability effective control wind current, includes pressurization forced draught blower (1), its characterized in that: the air supply device is characterized in that a connecting pipe (2) is fixedly connected to the upper end of the pressurizing air feeder (1), a check valve (3) is fixedly connected to the surface of the connecting pipe (2), a main air supply pipe (4) is fixedly connected to the top end of the connecting pipe (2), an air supply branch pipe (5) is fixedly connected to the surface of the main air supply pipe (4), a valve (6) is fixedly connected to the surface of the air supply branch pipe (5), a drainage air box (7) is fixedly connected to the bottom end of the air supply branch pipe (5), a partition plate (8) is fixedly connected to the inner bottom wall of the drainage air box (7), a sliding groove is formed in the front of the partition plate (8), a gate plate (9) is slidably connected to the inner wall of the sliding groove, a pressure reducing air box (10) is fixedly connected to the front of the partition plate (8), a rectifier (11), and the inner wall of the open slot is fixedly connected with an electric shutter (12), and the upper surface of the drainage air box (7) is respectively provided with an operation indicator lamp (13) and a pressure gauge (14).
2. A mine ventilation structure effective in controlling air flow, as claimed in claim 1, wherein: the number of the drainage air boxes (7) is multiple, and the drainage air boxes (7) are communicated with the main air supply pipe (4) through the air supply branch pipes (5).
3. A mine ventilation structure effective in controlling air flow, as claimed in claim 1, wherein: the bottom of air supply branch pipe (5) extends to the interior of drainage bellows (7), the bottom of air supply branch pipe (5) and the back fixed connection of partition panel (8).
4. A mine ventilation structure effective in controlling air flow, as claimed in claim 1, wherein: the utility model discloses a drainage bellows (7) is characterized in that the side fixedly connected with installation limiting plate (15) of drainage bellows (7), the side of installation limiting plate (15) is seted up threaded hole, and the inner wall threaded connection of screw hole has a threaded rod, the left end of threaded rod extends to in drainage bellows (7), the left end of threaded rod is rotated with the side of gate board (9) and is connected, the right-hand member fixedly connected with hand wheel of threaded rod.
5. A mine ventilation structure effective in controlling air flow, as claimed in claim 1, wherein: the surface of the pressure reducing air box (10) is provided with a mounting hole, the inner wall of the mounting hole is fixedly connected with a pressure sensor (16), and the pressure gauge (14) is communicated with the pressure reducing air box (10) through a copper pipe.
6. A mine ventilation structure effective in controlling air flow, as claimed in claim 1, wherein: the inner wall fixedly connected with of rectifier (11) has a plurality of cowling panels, the opposite face of rectifier (11) and electronic shutter (12) is provided with the filter screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021248268.4U CN212479305U (en) | 2020-07-01 | 2020-07-01 | Mine ventilation structure capable of effectively controlling air flow |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021248268.4U CN212479305U (en) | 2020-07-01 | 2020-07-01 | Mine ventilation structure capable of effectively controlling air flow |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212479305U true CN212479305U (en) | 2021-02-05 |
Family
ID=74456266
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021248268.4U Expired - Fee Related CN212479305U (en) | 2020-07-01 | 2020-07-01 | Mine ventilation structure capable of effectively controlling air flow |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212479305U (en) |
-
2020
- 2020-07-01 CN CN202021248268.4U patent/CN212479305U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210205 Termination date: 20210701 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |