CN119957291A - A dust reduction facility for tunnel construction - Google Patents
A dust reduction facility for tunnel construction Download PDFInfo
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- CN119957291A CN119957291A CN202510177282.0A CN202510177282A CN119957291A CN 119957291 A CN119957291 A CN 119957291A CN 202510177282 A CN202510177282 A CN 202510177282A CN 119957291 A CN119957291 A CN 119957291A
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Abstract
The invention belongs to the technical field of tunnel construction, in particular to a tunnel construction dust fall facility which comprises a frame, wherein a dust fall box is arranged at the top end of the frame, a box cover is arranged at the top end of the dust fall box, a first air pump is arranged at the top end of the box cover, the output end of the first air pump penetrates into the dust fall box, an air vent piece is arranged at the lowest part of the inside of the dust fall box, and the air inlet end of the air vent piece is communicated with a first guide pipe.
Description
Technical Field
The invention belongs to the technical field of tunnel construction, and particularly relates to a dust fall facility for tunnel construction.
Background
The tunnel is an engineering building buried underground, and can be divided into a traffic tunnel, a hydraulic tunnel, a municipal tunnel, a mine tunnel and a military tunnel by utilizing an underground space to construct the tunnel, so that the convenience of traffic is improved, dust is inevitably generated in the tunnel construction process, for example, a large amount of dust is generated in drilling, blasting, shoveling and other operations, dust is generated in the operation of an excavator, a bulldozer, a loader and the like, and in addition, dust is also generated in the operation of vehicles, tail gas emission, tunnel maintenance and the like.
The method is characterized in that workers in the tunnel are exposed to dust for a long time and are prone to pulmonary diseases such as pneumoconiosis and silicosis, dust fall treatment is needed in the tunnel, dust fall can be carried out by sprinkling water in the tunnel, ventilating, using a dust removing vehicle and the like, the dust removing vehicle is generally selected for operation for convenience, and particularly when the dust is removed by the dust removing vehicle, an air pump arranged on the dust removing vehicle can absorb air in the tunnel and then filter the air through a filter cloth bag or a filter plate and other filter structures.
Therefore, the invention provides a dust fall facility for tunnel construction.
Disclosure of Invention
In order to overcome the deficiencies of the prior art, at least one technical problem presented in the background art is solved.
The technical scheme includes that the tunnel construction dust settling facility comprises a frame, wherein a dust settling box is arranged at the top end of the frame, a box cover is arranged at the top end of the dust settling box, a first air pump is arranged at the top end of the box cover, the output end of the first air pump penetrates into the dust settling box, an air vent piece is arranged at the lowest part in the dust settling box, the air inlet end of the air vent piece is communicated with a first guide pipe, the first guide pipe penetrates into the outside of the dust settling box, a second air pump is externally connected with the first guide pipe outside the dust settling box, and the second air pump is arranged at the top end of the frame;
The dust box comprises a dust box body, and is characterized in that a motor is arranged at the lowest part in the dust box body, a linkage plate is arranged at the top end of the output end of the motor, a first air guide pipe is fixedly connected to one end of the linkage plate, which is far away from the motor, the bottom end of the first air guide pipe is communicated with an air ventilation piece and is rotationally connected with the air ventilation piece, a jet head is arranged at the top end of the first air guide pipe in a communicated mode, an electromagnet is arranged at the bottom end of the jet head, a filter disc is arranged in the dust box body and above the jet head, an annular ring is arranged in the dust box body and above the filter disc, a first annular groove is formed in the top end of the annular ring, a rotating piece is inserted into the first annular groove, a sealing cover is arranged at the bottom end of a part of the rotating piece, which is located outside the first annular groove, and a magnetic block is arranged at the top end of the sealing cover.
Preferably, the ventilation piece comprises a first sealing ring and an annular air box, an annular gap is formed in the top end of the annular air box, the first sealing ring is inserted into the annular gap, the first air duct is communicated with the first sealing ring, and the first guide pipe and the second guide pipe are both communicated with the annular air box.
Preferably, an air bag is arranged at the bottom end opening of the sealing cover.
Preferably, the top of the sealing cover is provided with a bearing column, the top of the bearing column penetrates through the upper side of the rotating piece, the top of the bearing column is provided with a bearing plate, a buffer spring is arranged between the bearing plate and the rotating piece, and a gap exists between the bottom of the sealing cover and the filter plate in the initial process.
Preferably, a notch is formed in the bottom end of the inner part of the first annular groove, the roller is rotationally connected to the notch, the roller rolls on the inner wall of the first annular groove when the first annular groove slides, and the bottom end part of the rotating piece positioned in the first annular groove is not contacted with the bottom end of the first annular groove.
Preferably, the side of annular circle is provided with the inlet tube, the tip that the annular circle was kept away from to the inlet tube link up to the dust box outside, and the tip of the inlet tube that is located the dust box outside points upwards and the intercommunication is provided with the water injection section of thick bamboo.
Preferably, a second sealing ring is inserted into the first annular groove, a fracture for embedding the rotating piece is formed in the second sealing ring, the rotating piece is matched with the second sealing ring to seal the notch of the first annular groove, and the second sealing ring is rotationally connected with the inner wall of the first annular groove.
Preferably, the side of annular ring is provided with the delivery tube, delivery tube one end and first ring channel intercommunication, the other end link up to the dust box outside.
Preferably, the top end of the sealing cover is communicated with a second air duct, a second annular groove is formed in the bottom end of the box cover, a third sealing ring is connected in the second annular groove in a rotating mode, the top end of the second air duct penetrates through the third sealing ring, a third air pump is arranged on the top end of the box cover, the input end of the third air pump penetrates into the second annular groove, a discharge pipe is arranged in the output end of the third air pump in a communicating mode, and the end portion, far away from the third air pump, of the discharge pipe is located outside the tunnel.
Preferably, the second airway tube is made of a deformable plastic.
The beneficial effects of the invention are as follows:
1. the dust settling facility for tunnel construction is provided with the sealing cover and the air jet head, when the dust settling facility is used, the top end part of the filter piece is sealed by the sealing cover, then air flow is sprayed out from the lower part through the air jet head, dust blocked on the filter piece is ejected when the dust is acted by the air flow in the opposite direction, the filter piece is fully dredged along with synchronous rotation of the air jet head and the sealing cover, regular disassembly and cleaning are not needed, and dust settling treatment on a tunnel is not needed to be stopped when dredging, so that the dust settling efficiency of the tunnel is improved.
2. According to the tunnel construction dust fall facility, the air bags are arranged, and can be attached to the top ends of the filter plates when in use, so that the sealing effect of the sealing cover on the top ends of the filter plates is improved.
Drawings
The invention is further described below with reference to the accompanying drawings.
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a schematic side view of the dust bin of the present invention;
FIG. 3 is a schematic view of the internal structure of the dust fall box of the invention;
FIG. 4 is a schematic view of the vent attachment structure of the present invention;
FIG. 5 is a schematic view of a vent of the present invention;
FIG. 6 is a schematic view of a first airway tube connection structure of the present invention;
FIG. 7 is a schematic view of the seal cap attachment structure of the present invention;
FIG. 8 is a schematic view of an annular ring of the present invention;
FIG. 9 is a schematic view of a second seal ring on an annular ring of the present invention;
FIG. 10 is a schematic view of the seal housing of the present invention in connection with a rotating member;
FIG. 11 is a side schematic view of a rotor of the present invention;
FIG. 12 is a schematic view of the bottom end structure of the case cover of the present invention;
fig. 13 is a schematic view of the bottom end of the case cover of the present invention.
In the figure, 1, a frame, 11, a dust fall box, 12, a box cover, 121, a second annular groove, 122, a third air pump, 123, a discharge pipe, 13, a first air pump, 2, an air ventilation piece, 200, a first sealing ring, 201, an annular air box, 21, a first guide pipe, 22, a second air pump, 23, a second guide pipe, 3, a motor, 31, a linkage plate, 32, a first air guide pipe, 34, an electromagnet, 4, a filter plate, 5, an annular ring, 51, a first annular groove, 510, a second sealing ring, 52, a rotating piece, 521, a roller, 53, a sealing cover, 54, a receiving column, 55, a receiving plate, 56, a buffer spring, 57, a magnetic block, 58, an air bag, 581, a water injection cylinder, 582, a water inlet pipe, 59, a delivery pipe, 6, a second air guide pipe and 61, and a third sealing ring.
Detailed Description
The invention is further described in connection with the following detailed description in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.
As shown in fig. 1 to 8, the tunnel construction dust-settling facility of the embodiment of the invention comprises a frame 1, wherein a dust-settling tank 11 is arranged at the top end of the frame 1, and an air outlet is formed at the bottom end of the dust-settling tank 11, a tank cover 12 is arranged at the top end of the dust-settling tank 11, a first air pump 13 is arranged at the top end of the tank cover 12, the output end of the first air pump 13 penetrates into the dust-settling tank 11, a ventilation piece 2 is arranged at the lowest part in the dust-settling tank 11, the air inlet end of the ventilation piece 2 is communicated with a first guide pipe 21, the first guide pipe 21 penetrates into the outside of the dust-settling tank 11, a second air pump 22 is externally connected with the first guide pipe 21 positioned outside the dust-settling tank 11, the second air pump 22 is arranged at the top end of the frame 1, a second guide pipe 23 is arranged at the air outlet pipe of the ventilation piece 2 in a communication way, and the second guide pipe 23 penetrates into the outside of the dust-settling tank 11;
the motor 3 is arranged at the lowest part in the dust box 11, the linkage plate 31 is arranged at the top end of the output end of the motor 3, a first air duct 32 is fixedly connected at one end of the linkage plate 31 far away from the motor 3, the bottom end of the first air duct 32 is communicated with the ventilation piece 2 and is rotationally connected with the same, the air jet head 33 is arranged at the top end of the first air duct 32 in a communicated manner, the electromagnet 34 is arranged at the bottom end of the air jet head 33, the filter plate 4 is arranged in the dust box 11 and above the air jet head 33, the annular ring 5 is arranged in the dust box 11 and above the filter plate 4, the first annular groove 51 is arranged at the top end of the annular ring 5, the rotating piece 52 is inserted into the interior of the first annular groove 51, the sealing cover 53 is arranged at the bottom end of the part of the rotating piece 52 outside the first annular groove 51, and the magnetic block 57 is arranged at the top end of the sealing cover 53;
When the existing dust fall treatment is carried out on the tunnel, the dust fall can be carried out by sprinkling water, ventilating, using a dust removal vehicle and other operations in the tunnel; the dust removal vehicle is generally selected for operation for convenience; when dust is reduced by the dust removal vehicle, the air pump on the dust removal vehicle can absorb the air in the tunnel, and then the air is filtered by the filter structures such as the filter cloth bag or the filter plate, and the like, and in actual operation, the filter structures are easy to be blocked after being used for a period of time, so that the air pump on the dust removal vehicle is required to be removed and cleaned regularly, and the dust removal vehicle is very inconvenient; in order to solve the problems, the embodiment of the invention is provided with a jet head 33, a sealing cover 53 and the like, and the specific use process is that when in use, a worker pushes a frame 1 into a tunnel, then starts a first air pump 13, the first air pump 13 pumps air in the tunnel into a dust fall box 11, then filters dust through a filter disc 4, and then discharges the dust through an air outlet formed at the bottom end of the dust fall box 11, in the process, the top end of a filter disc 4 continuously gathers the dust, after a period of use, an electromagnet 34 is electrified, the electromagnet 34 attracts a magnet 57 above, meanwhile, a second air pump 22 and a motor 3 are started, the second air pump 22 injects outside air into an air guide piece 2 through a first guide pipe 21, the air guide piece 2 discharges part of air through a second guide pipe 23, the other part of the air is injected into a first air guide pipe 32, then the first air guide pipe 32 injects the air into the jet head 33, and then discharges the air through the jet head 33 to the bottom end of the filter disc 4, the second guide pipe 23 is provided for buffering the air guide piece 2, the motor 2 is prevented from instantaneously flowing through the jet head 33, the bottom end of the filter disc 4 is driven by the air guide pipe 3 to rotate, the air guide plate 32 is driven by the first air guide pipe 3, the first air guide pipe 32 drives the air jet head 33 to rotate, the electromagnet 34 electrified simultaneously attracts the magnetic block 57, the magnetic block 57 drives the rotating piece 52 to rotate in the first annular groove 51 on the annular ring 5 through the sealing cover 53, the sealing cover 53 is located right above the air jet head 33 when rotating, the first air pump 13 works normally at this time, the sealing cover 53 blocks the air flow output by the first air pump 13, so that the part of the filter piece 4 located below the sealing cover 53 is fully acted by the air flow sprayed by the air jet head 33 below, the dust blocked on the filter piece 4 is ejected when being acted by the air flow in the opposite direction, the filter piece 4 is fully dredged along with the synchronous rotation of the air jet head 33 and the sealing cover 53, regular disassembly and cleaning are not needed, dust falling treatment of a tunnel is not needed to be stopped when dredging, the tunnel dust falling efficiency is improved, and the air pipe (not shown in the drawing) led outside the tunnel is externally connected to the input end of the second air pump 22, so that the bottom end part of the filter piece 4 is prevented from being blocked by the air.
The ventilation piece 2 comprises a first sealing ring 200 and an annular air box 201, an annular gap is formed in the top end of the annular air box 201, the first sealing ring 200 is inserted into the annular gap, a first air guide pipe 32 is communicated with the first sealing ring 200, a first guide pipe 21 and a second guide pipe 23 are communicated with the annular air box 201, when the first air guide pipe 32 rotates, the first air guide pipe 32 drives the first sealing ring 200 to rotate in the annular gap on the annular air box 201, a second air pump 22 firstly injects outside air into the annular air box 201 and then enters the first air guide pipe 32, the second air pump 22 does not need to synchronously rotate in the whole inflation process, the second air pump 22 is protected, and the use stability is improved.
An air bag 58 is arranged at the bottom end opening of the sealing cover 53, and the air bag 58 can be attached to the top end of the filter 4 when in use, so that the sealing effect of the sealing cover 53 on the top end of the filter 4 is improved.
As shown in fig. 4 to 11, the top end of the sealing cover 53 is provided with a receiving post 54, the top end of the receiving post 54 penetrates through the upper side of the rotating piece 52, the top end of the receiving post 54 is provided with a receiving plate 55, a buffer spring 56 is arranged between the receiving plate 55 and the rotating piece 52, a gap exists between the bottom end of the sealing cover 53 and the filter 4 at the beginning, when the electromagnet 34 is electrified, the magnetic block 57 is attracted to have downward magnetic force, so that the sealing cover 53 drives the receiving post 54 to move downwards, the receiving post 54 drives the receiving plate 55 to compress the buffer spring 56, the bottom end of the sealing cover 53 is stopped when contacting with the top end of the filter 4, then the receiving post slides on the top end of the filter 4, and finally, when the electromagnet 34 is powered off, the sealing cover 53 is reset, the sealing cover 53 is prevented from continuously contacting the filter 4, and the filter 4 is continuously damaged by friction.
The bottom end of the rotating piece 52 positioned in the first annular groove 51 is provided with a notch, the notch is rotationally connected with a roller 521, the roller 521 rolls on the inner wall of the first annular groove 51 when the rotating piece 52 slides in the first annular groove 51, the bottom end part of the rotating piece 52 positioned in the first annular groove 51 is not contacted with the bottom end of the first annular groove 51, the roller 521 rolls on the inner wall of the first annular groove 51 when the rotating piece 52 rotates, the bottom end part of the rotating piece 52 positioned in the first annular groove 51 is not contacted with the bottom end of the first annular groove 51, and therefore the phenomenon that the bottommost inner wall of the first annular groove 51 is continuously rubbed by the bottom end of the rotating piece 52, so that the loss of the rotating piece 52 occurs and the service life is influenced is avoided.
The side of the annular ring 5 is provided with a water inlet pipe 582, the end part of the water inlet pipe 582, which is far away from the annular ring 5, penetrates out of the dust box 11, the end part of the water inlet pipe 582, which is positioned outside the dust box 11, is upwards directed and is communicated with a water injection cylinder 581, a one-way valve is arranged in the water injection cylinder 581, when the device is used, the one-way valve is opened, liquid water in the water injection cylinder 581 flows into the first annular groove 51 through the water inlet pipe 582, the first annular groove 51 is cooled, and the phenomenon that the rotating piece 52 continuously rubs in the first annular groove 51 to heat, so that the annular ring 5 is overheated and deforms is avoided.
The second sealing ring 510 is inserted into the first annular groove 51, the second sealing ring 510 is provided with a fracture for embedding the rotating piece 52, the rotating piece 52 is matched with the second sealing ring 510 to seal the notch of the first annular groove 51, the second sealing ring 510 is rotationally connected with the inner wall of the first annular groove 51, and water vapor generated by evaporation of liquid water in the first annular groove 51 can be prevented from entering the dust settling tank 11 through the arrangement of the second sealing ring 510, dust in the dust settling tank 11 is humidified to form clusters, and the filter disc 4 is blocked rapidly.
The side surface of the annular ring 5 is provided with a delivery pipe 59, one end of the delivery pipe 59 is communicated with the first annular groove 51, the other end of the delivery pipe 59 penetrates out of the dust box 11, and the delivery pipe 59 discharges the water vapor in the first annular groove 51 out of the dust box 11 to avoid concentration of the water vapor in the first annular groove 51.
As shown in fig. 12 to 13, the top end of the sealing cover 53 is provided with a second air duct 6 in a communicating manner, the bottom end of the box cover 12 is provided with a second annular groove 121, the inside of the second annular groove 121 is rotationally connected with a third sealing ring 61, the top end of the second air duct 6 penetrates through the third sealing ring 61, the top end of the box cover 12 is provided with a third air pump 122, the input end of the third air pump 122 penetrates through the second annular groove 121, the output end of the third air pump 122 is provided with a discharge pipe 123 in a communicating manner, the end part of the discharge pipe 123 far away from the third air pump 122 is positioned outside the tunnel, when the sealing cover 53 rotates, the second air duct 6 at the top end synchronously rotates, the second air duct 6 drives the third sealing ring 61 to rotate in the second annular groove 121, at the moment, the third air pump 122 is started up, the third air pump 122 pumps the inside of the sealing cover 53 through the input end of the second annular groove 121, at the moment, the electromagnet 34 is controlled to be electrified intermittently, and the motor 3 is started, so that the sealing cover 53 intermittently rotates and moves downwards, when the bottom end of the sealing cover 53 contacts the top end of the filter 4, the end is far from the end of the filter 4, the filter is automatically stopped, and the dust is discharged intermittently, and the dust is required to be discharged intermittently and discharged and the filter is not to the filter 122 and is stopped.
The second air duct 6 is made of deformable plastic, and the second air duct 6 is synchronously deformed when the sealing cover 53 moves, and interference by the second air duct 6 when the sealing cover 53 moves up and down is prevented.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. The tunnel construction dust-settling facility is characterized by comprising a frame (1), wherein a dust-settling box (11) is arranged at the top end of the frame (1), a box cover (12) is arranged at the top end of the dust-settling box (11), a first air pump (13) is arranged at the top end of the box cover (12), the output end of the first air pump (13) penetrates into the dust-settling box (11), a ventilation piece (2) is arranged at the lowest part in the dust-settling box (11), a first guide pipe (21) is communicated with the air inlet end of the ventilation piece (2), the first guide pipe (21) penetrates into the outside of the dust-settling box (11), a second air pump (22) is externally connected with the first guide pipe (21) outside the dust-settling box (11), and the second air pump (22) is arranged at the top end of the frame (1), and a second guide pipe (23) is communicated with the air outlet pipe of the ventilation piece (2) and penetrates into the outside of the dust-settling box (11);
The dust settling tank is characterized in that a motor (3) is arranged at the lowest position of the interior of the dust settling tank (11), a linkage plate (31) is arranged at the top end of the output end of the motor (3), a first air guide pipe (32) is fixedly connected with one end of the linkage plate (31) away from the motor (3), the bottom end of the first air guide pipe (32) is communicated with a ventilation piece (2) and is rotationally connected with the ventilation piece, a jet head (33) is arranged at the top end of the first air guide pipe (32) in a communicated mode, an electromagnet (34) is arranged at the bottom end of the jet head (33), a filter disc (4) is arranged in the dust settling tank (11) and above the jet head (33), an annular ring (5) is arranged in the dust settling tank (11) and above the filter disc (4), a first annular ring (51) is arranged at the top end of the annular ring (5), a rotating piece (52) is inserted into the interior of the first annular ring (51), a sealing cover (53) is arranged at the bottom end of the portion of the first annular ring (51), and a magnetic sealing cover (57) is arranged at the top end of the sealing cover (53).
2. The tunnel construction dust fall facility of claim 1, wherein the ventilation piece (2) comprises a first sealing ring (200) and an annular air box (201), an annular gap is formed in the top end of the annular air box (201), the first sealing ring (200) is inserted into the annular gap, the first air duct (32) is communicated with the first sealing ring (200), and the first guide pipe (21) and the second guide pipe (23) are both communicated with the annular air box (201).
3. The tunnel construction dust fall facility according to claim 1, wherein an airbag (58) is provided at a bottom end opening of the seal cover (53).
4. The tunnel construction dust fall facility of claim 1, wherein a receiving column (54) is arranged at the top end of the sealing cover (53), the top end of the receiving column (54) penetrates through the upper portion of the rotating piece (52), a receiving plate (55) is arranged at the top end of the receiving column (54), a buffer spring (56) is arranged between the receiving plate (55) and the rotating piece (52), and a gap exists between the bottom end of the sealing cover (53) and the filter piece (4) in the initial stage.
5. The tunnel construction dust fall facility of claim 1, wherein a notch is formed in the bottom end of the portion, located in the first annular groove (51), of the rotating member (52), a roller (521) is rotationally connected to the notch, the roller (521) rolls on the inner wall of the first annular groove (51) when the rotating member (52) slides in the first annular groove (51), and the bottom end portion, located in the first annular groove (51), of the rotating member (52) is not in contact with the bottom end of the first annular groove (51).
6. The tunnel construction dust fall facility of claim 5, wherein a water inlet pipe (582) is arranged on the side face of the annular ring (5), the end portion, far away from the annular ring (5), of the water inlet pipe (582) penetrates out of the dust fall box (11), and the end portion, located outside the dust fall box (11), of the water inlet pipe (582) is upwards directed and is communicated with a water injection cylinder (581).
7. The tunnel construction dust fall facility according to claim 6, wherein a second sealing ring (510) is inserted into the first annular groove (51), a fracture for embedding a rotating piece (52) is formed in the second sealing ring (510), the rotating piece (52) is matched with the second sealing ring (510) to seal a notch of the first annular groove (51), and the second sealing ring (510) is in rotary connection with the inner wall of the first annular groove (51).
8. A dust settling facility for tunnel construction according to claim 7, wherein the side surface of the annular ring (5) is provided with a delivery pipe (59), one end of the delivery pipe (59) is communicated with the first annular groove (51), and the other end of the delivery pipe is communicated with the dust settling box (11).
9. The tunnel construction dust fall facility of claim 2, wherein a second air duct (6) is communicated with the top end of the sealing cover (53), a second annular groove (121) is formed in the bottom end of the box cover (12), a third sealing ring (61) is rotatably connected to the inside of the second annular groove (121), the top end of the second air duct (6) penetrates through the third sealing ring (61), a third air pump (122) is arranged at the top end of the box cover (12), the input end of the third air pump (122) penetrates into the second annular groove (121), a discharge pipe (123) is communicated with the output end of the third air pump (122), and the end part, far away from the third air pump (122), of the discharge pipe (123) is located outside the tunnel.
10. A tunnel construction dust fall installation according to claim 9, characterized in that the second air duct (6) is made of deformable plastic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202510177282.0A CN119957291B (en) | 2025-02-18 | 2025-02-18 | A dust reduction facility for tunnel construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202510177282.0A CN119957291B (en) | 2025-02-18 | 2025-02-18 | A dust reduction facility for tunnel construction |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN119957291A true CN119957291A (en) | 2025-05-09 |
| CN119957291B CN119957291B (en) | 2025-07-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202510177282.0A Active CN119957291B (en) | 2025-02-18 | 2025-02-18 | A dust reduction facility for tunnel construction |
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| Country | Link |
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| CN (1) | CN119957291B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN216498215U (en) * | 2022-01-07 | 2022-05-13 | 张娇娜 | Dust fall equipment for building engineering |
| CN218953306U (en) * | 2022-12-13 | 2023-05-02 | 陕西蒲白西固煤业有限责任公司 | Coal mining machine with cooling and dust reducing functions |
| CN219363689U (en) * | 2023-03-22 | 2023-07-18 | 盐城天洲环保设备有限公司 | Recycling device for converter dust |
| CN220328239U (en) * | 2023-06-26 | 2024-01-12 | 焦作千业水泥有限责任公司 | Cement plant air dust fall machine |
| CN221220537U (en) * | 2023-11-07 | 2024-06-25 | 山西乡宁焦煤集团东沟煤业有限公司 | Dust fall device |
-
2025
- 2025-02-18 CN CN202510177282.0A patent/CN119957291B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN216498215U (en) * | 2022-01-07 | 2022-05-13 | 张娇娜 | Dust fall equipment for building engineering |
| CN218953306U (en) * | 2022-12-13 | 2023-05-02 | 陕西蒲白西固煤业有限责任公司 | Coal mining machine with cooling and dust reducing functions |
| CN219363689U (en) * | 2023-03-22 | 2023-07-18 | 盐城天洲环保设备有限公司 | Recycling device for converter dust |
| CN220328239U (en) * | 2023-06-26 | 2024-01-12 | 焦作千业水泥有限责任公司 | Cement plant air dust fall machine |
| CN221220537U (en) * | 2023-11-07 | 2024-06-25 | 山西乡宁焦煤集团东沟煤业有限公司 | Dust fall device |
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| Publication number | Publication date |
|---|---|
| CN119957291B (en) | 2025-07-25 |
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