CN214914179U - Dust device for tunnel advanced drilling - Google Patents
Dust device for tunnel advanced drilling Download PDFInfo
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- CN214914179U CN214914179U CN202120577554.3U CN202120577554U CN214914179U CN 214914179 U CN214914179 U CN 214914179U CN 202120577554 U CN202120577554 U CN 202120577554U CN 214914179 U CN214914179 U CN 214914179U
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Abstract
The utility model relates to a dust device is used in tunnel drilling ahead, including tunnel support, tunnel support's inner wall both sides bottom all is provided with the air supply subassembly, tunnel support's inner wall top is provided with convulsions dust removal subassembly, the air that contains the dust in the convulsions dust removal subassembly in with the tunnel is taken out. The utility model, through the arrangement of the air supply assembly, the air flow in the tunnel is improved while the outside air is sent into the tunnel, so that the air containing dust in the tunnel moves upwards, and the air draft and dust removal assembly is convenient for air draft; through setting up convulsions dust removal subassembly, can be with the air suction in the tunnel wherein, simultaneously with the dust suction wherein, and the operation of removing dust is gone on in the draught tube, can avoid water smoke to lead to wet smooth in the tunnel, be favorable to carrying out the safety in production construction, utilize spraying in the pipeline to remove dust simultaneously, can not use the filter screen to the trouble of change filter screen has been avoided.
Description
Technical Field
The utility model relates to a tunnel probing dust removal technical field. In particular to a dust-settling device for tunnel advanced drilling.
Background
The advanced tunnel drilling is to utilize a drilling device to excavate underground engineering geotechnical layers of tunnels, mine holes and the like so as to obtain corresponding geological information such as geotechnical data, underground resources and the like; when drilling construction is carried out in the tunnel, dust is inevitably generated due to the limited space in the tunnel, and after excessive dust is contained in the air in the tunnel, the air is unfavorable for the health of workers on one hand and influences the safety in the tunnel on the other hand; the existing dust removal is generally spray dust removal in a tunnel, but after the spray dust removal, the ground in the tunnel is wet and slippery, which is not beneficial to safe production operation; and traditional air extraction filters and removes dust, and after long-time use, its filter screen can block up, influences the filter effect.
SUMMERY OF THE UTILITY MODEL
Therefore, the utility model aims to solve the technical problem that a dust device is used in tunnel advanced drilling is provided that the filter effect is good, avoids causing the ground wet and slippery.
In order to solve the technical problem, the utility model provides a following technical scheme: the utility model provides a dust device is used in tunnel drilling ahead, includes tunnel support, tunnel support's inner wall both sides bottom all is provided with the air supply subassembly, tunnel support's inner wall top is provided with convulsions dust removal subassembly, the air that contains the dust in the convulsions dust removal subassembly takes out in with the tunnel.
The utility model provides a dust device is used in tunnel drilling ahead, convulsions dust removal subassembly includes exhaust column and air exhauster, the convulsions end of air exhauster with the exhaust column is located the outer tip intercommunication in tunnel, the outer tip inner wall in tunnel of exhaust column is provided with the toper net, the inner wall top fixedly connected with mount of exhaust column, mount fixedly connected with high-pressure water pipe is passed through at the inner wall top of exhaust column, high-pressure water pipe's lateral wall intercommunication has the atomising head, the both sides of exhaust column all communicate there is the air inlet side pipe.
Above-mentioned dust device is used in tunnel drilling ahead, the inner wall bottom of exhaust column is provided with a plurality of V-arrangement guiding gutters, there is the drinking-water pipe through the pipeline intercommunication in the middle of the tank bottom of V-arrangement guiding gutter, the one end of drinking-water pipe is provided with the suction pump.
Above-mentioned dust device is used in tunnel drilling in advance, the bottom fixedly connected with rack of support, the lateral wall of rack with the inside wall overlap joint of exhaust column.
Above-mentioned dust device is used in tunnel drilling in advance, annular guiding gutter has been seted up along its circumference to the inside wall of exhaust column, the bottom of annular guiding gutter with the lateral wall intercommunication of V-arrangement guiding gutter.
Above-mentioned dust device is used in tunnel drilling in advance, the air supply subassembly includes the tuber pipe, the air outlet has been seted up to the lateral wall of tuber pipe, the middle part of tuber pipe is provided with the aviation baffle, the aviation baffle is located the middle part of air outlet, just the one end tilt up that the tuber pipe was kept away from to the aviation baffle.
The technical scheme of the utility model following profitable technological effect has been obtained:
1. the utility model discloses, through setting up the air supply subassembly, when can sending into the tunnel with the ambient air, improve the interior air flow of tunnel, the air upward movement who contains the dust in making the tunnel, the convulsions of being convenient for dust removal subassembly convulsions.
2. The utility model discloses, through setting up convulsions dust removal subassembly, can be with the air suction in the tunnel wherein, simultaneously with the dust suction wherein, and the dust removal operation is gone on in the draught tube, can avoid water smoke to lead to wet and smooth in the tunnel, be favorable to carrying out the safety in production construction, utilize spraying in the pipeline to remove dust simultaneously, can not use the filter screen to avoid the trouble of changing the filter screen, can not lead to the dust collection efficiency to descend because of filter screen blocking simultaneously.
3. The utility model discloses, through setting up the rack, when the interior water smoke of convulsions tube gos forward along with the air current, can make the water smoke adhere to the surface at the rack, make the water smoke form the water droplet and fall, reduce the water content of exhaust air, through setting up annular guiding gutter, can block the drop of water that adheres to on the exhaust column lateral wall because the air current promotes to go forward, make it converge V-arrangement guiding gutter.
Drawings
FIG. 1 is a schematic view of the structure of the utility model after installation;
FIG. 2 is a schematic view of the front cross-sectional structure of the exhausting and dust-removing assembly of the present invention;
FIG. 3 is a schematic view of a side view cross-sectional structure of the exhausting and dust-removing assembly of the present invention;
fig. 4 is a schematic side view of the net rack of the present invention;
fig. 5 is a schematic side view of the section structure of the middle wind pipe of the present invention.
The reference numbers in the figures denote: 1-supporting a tunnel; 2-an air draft dust removal component; 201-an exhaust pipe; 202-a fixing frame; 203-high pressure water pipe; 204-a spray head; 205-an exhaust fan; 206-air inlet side pipe; 207-a rack; 208-annular guide grooves; 209-V-shaped diversion trench; 210-a water pumping pipe; 211-suction pump; 212-a conical mesh; 3-an air supply assembly; 301-air duct; 302-air outlet; 303-wind deflector.
Detailed Description
Referring to fig. 1, the dust settling device for tunnel advanced drilling comprises a tunnel support 1, wherein air supply assemblies 3 are arranged at the bottoms of two sides of the inner wall of the tunnel support 1, an air draft dust removal assembly 2 is arranged at the top of the inner wall of the tunnel support 1, as shown in fig. 2-3, the air draft dust removal assembly 2 comprises an air draft pipe 201 and an air draft fan 205, the air draft end of the air draft fan 205 is communicated with the end part of the air draft pipe 201 outside the tunnel, a conical net 212 is arranged on the inner wall of the outer end part of the tunnel of the air draft pipe 201, a fixing frame 202 is fixedly connected with the top of the inner wall of the air draft pipe 201, a high pressure water pipe 203 is fixedly connected with the top of the inner wall of the air draft pipe 201 through the fixing frame 202, the side wall of the high pressure water pipe 203 is communicated with an atomizing spray head 204, the two sides of the air draft pipe 201 are communicated with air inlet side pipes 206, and the bottom of the inner wall of the air draft pipe 201 is provided with a plurality of V-shaped guide grooves 209, through setting up the rack 207, when the water smoke advances along with the air current in the exhaust column 201, can make the water smoke adhere to the surface of rack 207, make the water smoke form the water droplet and fall, reduce the water content of exhaust air, through setting up annular guiding gutter 208, can block attached to the lateral wall of exhaust column 201 because the drop of water that the air current promotes to advance, make it converge V-arrangement guiding gutter 209, there is a drinking-water pipe 210 through the pipeline intercommunication in the middle of the tank bottom of V-arrangement guiding gutter 209, the one end of drinking-water pipe 210 is provided with suction pump 211, the inside wall of exhaust column 201 has seted up annular guiding gutter 208 along its circumference, the bottom of annular guiding gutter 208 with the lateral wall of V-arrangement guiding gutter 209 communicates, as shown in figure 4, the bottom fixedly connected with rack 207 of support, the lateral wall of rack 207 with the inside wall overlap joint of exhaust column 201, through setting up convulsions dust removal subassembly 2, can be with the air suction in the tunnel wherein, simultaneously with the dust suction wherein, and the operation of removing dust is gone on in exhaust column 201, can avoid water smoke to lead to in the tunnel wet and smooth, be favorable to carrying out the safety in production construction, utilize spraying in the pipeline to remove dust simultaneously, can not use the filter screen to avoid the trouble of changing the filter screen, can not lead to the dust collection efficiency to descend because of the filter screen blocks up simultaneously.
As shown in fig. 5, the air supply assembly 3 includes an air duct 301, an air outlet 302 is provided on a side wall of the air duct 301, an air deflector 303 is provided at a middle portion of the air duct 301, the air deflector 303 is located at the middle portion of the air outlet 302, and an end of the air deflector 303, which is far away from the air duct 301, is inclined upward, so that when the air supply assembly 3 is provided, external air can be supplied into the tunnel, air flow in the tunnel is improved, air containing dust in the tunnel moves upward, and air draft and dust removal assembly 2 is convenient for air draft.
During the work process, when the air-conditioning system is used, the positive pressure blower is arranged at the end part outside the tunnel of the air pipe 301, the air outside the tunnel is input into the tunnel through the air pipe 301, and because the air deflector 303 is arranged in the middle of the air outlet 302 of the air pipe 301, the air exhausted from the upper part of the air outlet 302 is blown to the oblique upper part under the action of the air deflector 303, meanwhile, the air in the tunnel is driven to flow upwards, the dust is driven to move upwards, and the air exhausted from the lower part of the air outlet 302 is blown out along the horizontal direction;
the external power supply is connected with the exhaust fan 205 and the suction pump 211, the high-pressure water pipe 203 is connected with a high-pressure water source, when the exhaust fan 205 is started, air in the tunnel is pumped into the exhaust pipe 201 through the air inlet side pipes 206 at two sides of the exhaust pipe 201, and dust in the air is driven into the exhaust pipe 201, meanwhile, high-pressure water is sprayed out in the form of water mist through the spray head 204 to perform spraying and dust removal, the water mist adsorbs dust in the air, under the action of gravity, part of the water mist falls down to the inner wall of the exhaust pipe 201 and slides down to the V-shaped diversion trench 209, when the advancing air drives the water mist to advance, the water mist continuously collides with the net rack 207 and is attached to the surface of the net rack, then the water slides to the V-shaped diversion trench 209, finally the water is discharged after passing through the conical net 212, the water collected in the V-shaped diversion trench 209 flows into the water pumping pipe 210 and is discharged out of the tunnel under the action of the suction pump 211, and the ground of the tunnel is prevented from being wet and slippery.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications are possible which remain within the scope of the appended claims.
Claims (6)
1. The dust settling device for tunnel advanced drilling comprises a tunnel support (1) and is characterized in that air supply assemblies (3) are arranged at the bottoms of two sides of the inner wall of the tunnel support (1), and an air draft dust removal assembly (2) is arranged at the top of the inner wall of the tunnel support (1); and the air exhausting and dust removing component (2) is used for exhausting air containing dust in the tunnel.
2. The dust settling device for the tunnel advanced drilling is characterized in that the air draft dust removal assembly (2) comprises an air draft pipe (201) and an air draft fan (205), the air draft end of the air draft fan (205) is communicated with the end portion, located outside the tunnel, of the air draft pipe (201), a tapered net (212) is arranged on the inner wall of the outer end portion of the tunnel of the air draft pipe (201), a fixing frame (202) is fixedly connected to the top of the inner wall of the air draft pipe (201), a high-pressure water pipe (203) is fixedly connected to the top of the inner wall of the air draft pipe (201) through the fixing frame (202), a spraying head (204) is communicated with the side wall of the high-pressure water pipe (203), and air inlet side pipes (206) are communicated with the two sides of the air draft pipe (201).
3. The dust settling device for the advanced drilling of the tunnel according to claim 2, wherein a plurality of V-shaped guide grooves (209) are formed in the bottom of the inner wall of the exhaust pipe (201), the middle of the bottom of each V-shaped guide groove (209) is communicated with a water pumping pipe (210) through a pipeline, and a suction pump (211) is arranged at one end of each water pumping pipe (210).
4. The dust settling device for the advanced tunnel drilling according to claim 2, wherein a net rack (207) is fixedly connected to the bottom of the support, and the side wall of the net rack (207) is overlapped with the inner side wall of the exhaust pipe (201).
5. The dust settling device for the advanced tunnel drilling according to claim 2, wherein an annular guide groove (208) is formed in the inner side wall of the exhaust pipe (201) along the circumferential direction of the exhaust pipe, and the bottom end of the annular guide groove (208) is communicated with the side wall of the V-shaped guide groove (209).
6. The dust falling device for the advanced drilling of the tunnel according to claim 1, wherein the air supply assembly (3) comprises an air pipe (301), an air outlet (302) is formed in a side wall of the air pipe (301), an air deflector (303) is arranged in the middle of the air pipe (301), the air deflector (303) is located in the middle of the air outlet (302), and one end, far away from the air pipe (301), of the air deflector (303) inclines upwards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120577554.3U CN214914179U (en) | 2021-03-22 | 2021-03-22 | Dust device for tunnel advanced drilling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120577554.3U CN214914179U (en) | 2021-03-22 | 2021-03-22 | Dust device for tunnel advanced drilling |
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| Publication Number | Publication Date |
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| CN214914179U true CN214914179U (en) | 2021-11-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120577554.3U Active CN214914179U (en) | 2021-03-22 | 2021-03-22 | Dust device for tunnel advanced drilling |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116085028A (en) * | 2023-04-13 | 2023-05-09 | 山西工程技术学院 | Tunnel ventilation control system |
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2021
- 2021-03-22 CN CN202120577554.3U patent/CN214914179U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116085028A (en) * | 2023-04-13 | 2023-05-09 | 山西工程技术学院 | Tunnel ventilation control system |
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