Tunnel construction dust removal device
By combining water curtain nozzles with collection frames, the system achieves water recycling and impurity filtration, solving the problems of obstructed vision and slippery road surfaces in existing tunnel construction dust removal devices, thus improving construction safety and resource utilization efficiency.
Patent Information
- Application Number
- CN202520244894.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-17
- Publication Date
- 2025-12-16
- Estimated Expiration
- 2035-02-17
AI Technical Summary
Existing dust suppression devices used in tunnel construction can obstruct vision and make the tunnel surface slippery when spraying water mist, affecting construction safety and traffic.
The system uses water curtain nozzles in conjunction with a collection frame, so that the sprayed clean water falls directly back into the water storage tank. Combined with filter holes and a filter screen, impurities are filtered out, achieving clean water recycling and avoiding slippery roads and equipment damage.
It effectively reduces water consumption, ensures clear visibility inside the tunnel, avoids slippery road surfaces, protects equipment, and improves construction safety.
Smart Images

Figure CN223676325U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a dust collector, especially a tunnel construction dust collector. BACKGROUND
[0002] Tunnel is a buried engineering building in stratum, is a form of human utilization of underground space, in the tunnel construction process, the construction of blasting and tunneling is easy to produce a large amount of dust, not only influence the visibility inside the tunnel, also greatly influence construction safety and personnel health, need to use dust falling device to carry out dust removal, dust falling operation to the tunnel internal space.
[0003] Such as the tunnel construction dust collector of Chinese patent publication disclosure no. CN221799871U;Such as the tunnel construction dust collector of Chinese patent publication disclosure no. CN220941449U;
[0004] The above-mentioned existing dust collector all utilize the water mist of spraying, although can effectively remove the water mist in air, but the water mist of spraying diffuses in the tunnel interior, first also can shield a part of sight, influence the in-and-out of construction vehicle in the tunnel, secondly, the water mist will finally fall on the tunnel ground, will cause the road surface in the tunnel to be wet, causes the problem of the road inside the tunnel to be muddy. UTILITY MODEL CONTENTS
[0005] The utility model aims at providing a tunnel construction dust collector to solve the existing problems in the background art.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a tunnel construction dust collector, including the collection frame, the collection frame is fixedly connected with two arc supports on the upper surface, one of the arc supports is fixedly connected with a motor, the motor output end is fixedly connected with a blast fan blade, a plurality of water curtain nozzles are fixedly connected on the other arc support, a water storage groove is formed on the upper surface of the collection frame, a supporting cross rod is fixedly connected in the water storage groove, a supporting plate is placed on the upper surface of the supporting cross rod, a plurality of filter holes are formed in the supporting plate.
[0007] Preferably, the guiding rubber column is fixedly connected on the upper surface of the collection frame close to the position of the two side edges, and the guiding rubber column is attached with a reflective sticker.
[0008] Preferably, a water taking groove is formed in the inner wall of one side of the water storage groove, and a filter screen is fixedly connected at the opening of the water taking groove.
[0009] Preferably, a circulating pump machine is fixedly connected on the upper surface of the collection frame close to the position of one side edge, and the input end of the circulating pump machine is inserted into the water taking groove by a pipeline.
[0010] Preferably, the circulating pump machine output end is fixed with a conveying pipe, and the conveying pipe is connected with the water curtain sprayer through a pipeline.
[0011] Compared with the prior art, the utility model has the beneficial effects that:
[0012] 1、 through water curtain sprayer and collection frame mutual cooperation, water curtain sprayer sprays clean water and falls directly to the inside of the water storage tank, avoids clean water wetting the tunnel road surface, and can reduce the consumption of water resources.
[0013] 2、 through the filter hole and filter screen, the backflow of clean water can be filtered, and the problem of mud and impurities entering the water tank and being sucked into the circulating pump machine, causing damage to the circulating pump machine, is avoided. BRIEF DESCRIPTION OF DRAWINGS
[0014] Fig. 1 It is the whole structure schematic view of the utility model;
[0015] Fig. 2 It is the sectional view of the utility model;
[0016] Fig. 3 It is the collection frame half sectional view of the utility model.
[0017] In the drawing: 1, collection frame;101, guide rubber column;102, water storage tank;103, support cross bar;104, water tank;105, filter screen;2, circulating pump machine;201, conveying pipe;3, arched support;4, motor;401, air blower blade;5, support plate;501, filter hole;6, water curtain sprayer. DETAILED DESCRIPTION
[0018] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.
[0019] Please refer to Figs. 1-3 The utility model provides a kind of technical scheme: a tunnel construction dust removal device, including collection frame 1, two arched supports 3 are fixed on the upper surface of collection frame 1, one of arched supports 3 is fixed with motor 4, motor 4 output end is fixed with air blower blade 401, a plurality of water curtain sprayers 6 are fixed on the other arched support 3, water storage tank 102 is set on the upper surface of collection frame 1, support cross bar 103 is fixed in water storage tank 102, support plate 5 is placed on the upper surface of support cross bar 103, a plurality of filter holes 501 are set in support plate 5.
[0020] In the embodiment, by laying the collecting frame 1 inside the tunnel, installing the arch-shaped support 3 with a proper height according to the size of the tunnel, the vehicles passing through the tunnel can pass through the middle of the arch-shaped support 3 directly, avoiding affecting the passing of the engineering vehicles in the tunnel, filling a certain amount of clean water into the water storage tank 102, using the conveying device to convey the clean water to the water curtain nozzle 6, the water curtain nozzle 6 sprays a sparse water curtain downward, then starting the motor 4 to drive the air blowing fan blade 401 to rotate, the rotation of the air blowing fan blade 401 drives the air in the tunnel to flow, so that the air carrying dust passes through the water curtain, the dust in the air is absorbed by the water curtain to achieve the purpose of dust reduction, and the clean water sprayed downward falls directly into the water storage tank 102 for recycling and storage, avoiding the clean water flowing directly into the tunnel pavement, using the supporting cross rod 103 to support the supporting plate 5, the supporting plate 5 covers the water storage tank 102, can support the passing vehicles to pass through the water storage tank 102, and the filter holes 501 can allow the clean water to pass through, and can block large stones and the like, avoiding the stones and the like entering the water storage tank 102 directly.
[0021] In order to achieve the purpose of avoiding the mud and sand into the water taking tank 104, the device adopts the following technical scheme: the guide rubber column 101 is fixedly connected to the collecting frame 1 near the two side edges, the guide rubber column 101 is attached with a reflective sticker, and the water taking tank 104 is formed in the inner wall of one side of the water storage tank 102.
[0022] The guide rubber column 101 can guide the vehicles to drive near the center, avoiding the collision and damage of the arch-shaped support 3 or the circulating pump machine 2, the reflective sticker attached to the surface of the guide rubber column 101 can reflect a certain light source, avoiding that the operators in the tunnel cannot observe the position of the guide rubber column 101, and the filter screen 105 can filter the clean water entering the water taking tank 104, avoiding that the mud and sand contained in the backflow clean water enters the water taking tank 104.
[0023] In order to achieve the purpose of pumping the clean water to the water curtain nozzle 6, the device adopts the following technical scheme: the circulating pump machine 2 is fixedly connected to the collecting frame 1 near one side edge, the input end of the circulating pump machine 2 is inserted into the water taking tank 104 through a pipeline, the output end of the circulating pump machine 2 is fixedly connected with the conveying pipe 201, and the conveying pipe 201 is connected with the water curtain nozzle 6 through a pipeline.
[0024] By starting the circulating pump machine 2, the clean water in the water taking tank 104 can be pumped to the conveying pipe 201 through the pipeline, the clean water is conveyed to the water curtain nozzle 6 through the conveying pipe 201, and finally backflows to the water storage tank 102, completing the circulation of the clean water.
[0025] The working principle and use process of the utility model: need to install the device in the tunnel inside when using, fill certain fresh water to the inside of water storage tank 102, the fresh water in water storage tank 102 can flow into the inside of water taking tank 104 after filtering through filter screen 105, start circulating pump machine 2 can extract fresh water from water taking tank 104 to delivery pipe 201, the fresh water to water curtain spray head 6 is sprayed downward through delivery pipe 201 and forms sparse water curtain, start motor 4 can drive the rotation of air blowing fan blade 401, the rotation of air blowing fan blade 401 can drive the air flow in the tunnel, make the air pass through the water curtain with dust, utilize the dust in the air of water curtain and absorb, reach the purpose of dust fall, and the fresh water that is sprayed downward will directly fall into the inside of water storage tank 102, and enter water taking tank 104 again and spray circularly.
[0026] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. A tunnel construction dust removal device comprising a collection frame (1), characterized in that: Two arc supports (3) are fixed on the collecting frame (1), one of the arc supports (3) is fixed with a motor (4), the output end of the motor (4) is fixed with a blowing fan blade (401), the other arc support (3) is fixed with a plurality of water curtain nozzles (6), a water storage groove (102) is formed on the collecting frame (1), a supporting cross rod (103) is fixed in the water storage groove (102), a supporting plate (5) is placed on the supporting cross rod (103), a plurality of filter holes (501) are formed in the supporting plate (5).
2. The tunnel construction dust removal device according to claim 1, characterized in that: A guide rubber column (101) is fixed on the collecting frame (1) near the two side edges, and the guide rubber column (101) is attached with a reflective sticker.
3. The tunnel construction dust removal device according to claim 1, characterized in that: A water taking groove (104) is formed in the inner wall of one side of the water storage groove (102), and a filter screen (105) is fixed on the opening of the water taking groove (104).
4. The tunnel construction dust removal device according to claim 1, characterized in that: A circulating pump (2) is fixed on the collecting frame (1) near one side edge, and the input end of the circulating pump (2) is inserted into the water taking groove (104) through a pipeline.
5. The dust removal device for tunnel construction according to claim 4, characterized in that: A conveying pipe (201) is fixed on the output end of the circulating pump (2), and the conveying pipe (201) is connected with the water curtain nozzle (6) through a pipeline.
Citation Information
Patent Citations
A dust removal device for tunnel construction
CN220941449U
Tunnel construction dust removal device
CN221799871U