Tunnel waste slag screening equipment

By designing the crushing plate, filter plate, and atomizing nozzle of the tunnel waste screening equipment, the environmental protection and resource reuse issues of waste disposal during tunnel construction have been solved, achieving efficient separation of waste and dust control, and promoting resource recycling.

CN223655091UActive Publication Date: 2025-12-12XINJIANG ROAD & BRIDGE CONSTR GRP CO LTD +1
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Patent Information

Application Number
CN202520364921.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-04
Publication Date
2025-12-12
Estimated Expiration
2035-03-04

AI Technical Summary

Technical Problem

Existing methods for handling waste during tunnel construction cannot meet the needs of environmental protection and resource reuse, resulting in environmental pollution and resource waste.

Method used

A tunnel waste screening device was designed, comprising a crushing plate, a filter plate, atomizing nozzles, and a vibration assembly. Through crushing, screening, and atomizing spraying technologies, the waste is effectively separated and dust is controlled.

Benefits of technology

It achieves efficient crushing and separation of waste residue, reduces dust diffusion, improves resource recycling rate, and reduces environmental pollution.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses tunnel waste slag screening equipment, and belongs to the field of tunnel waste slag screening. The tunnel waste slag screening equipment comprises a working box and a guide plate fixedly connected in a cavity of the working box, a crushing plate is arranged in the working box, a convex block is arranged on the surface of the guide plate, and a hopper shape is formed between the crushing plate and the guide plate; the liquid spraying box is arranged in the working box, the filter screen plate is connected in the working box through a buffer piece, atomization spraying holes are formed in the liquid spraying box, a pressurizing liquid supply assembly is arranged in the working box, and the output end of the pressurizing liquid supply assembly is communicated with the liquid spraying box; according to the utility model, waste slag can be effectively extruded and crushed into broken stones, then the broken stones are processed or recycled, fine aggregate can penetrate through meshes of the filter screen plate, coarse aggregate (coarse aggregate (small broken stones)) can be blocked on the fine aggregate and is convenient to separate, and water mist can effectively adsorb dust particles in the air to settle the dust particles, so that the waste slag can be recycled. And dust diffusion is reduced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to tunnel abandoned slag screening technical field especially relates to a kind of tunnel abandoned slag screening equipment. BACKGROUND

[0002] Tunnel engineering as the important component of city infrastructure construction, in the process of tunnel construction excavation, a large amount of tunnel abandoned slag is inevitably produced, with the popularization of sustainable development concept, resource recycling and reuse are particularly important, in tunnel construction, reasonable treatment of abandoned slag utilization renewable resources, not only can reduce the environmental pollution of construction, but also can save material cost.

[0003] With the continuous development of tunnel engineering construction, the traditional abandoned slag treatment method cannot meet the needs of environmental protection and resource recycling. In order to effectively solve the problem of a large amount of abandoned slag produced in the process of tunnel construction, while reducing the influence on environment, it is urgent to design an environmentally friendly and efficient tunnel abandoned slag screening equipment. UTILITY MODEL CONTENT

[0004] The utility model aims at solving the problems of waste and environmental pollution caused by landfilling waste in the prior art, and proposes a tunnel abandoned slag screening equipment.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] A kind of tunnel abandoned slag screening equipment, including working tank, further comprising: guide plate fixedly connected in the cavity of working tank, wherein, the working tank is provided with breaker plate, and the surface of guide plate is provided with lug, and the breaker plate and guide plate form a bucket between them;Filter screen plate connected in the working tank by buffer piece, wherein, the filter screen plate is provided with vibration assembly, and the filter screen plate is arranged below the discharge end of guide plate;Liquid injection box fixedly connected on the inner wall of the cavity of working tank, wherein, atomizing spray hole is formed on the liquid injection box, and the working tank is provided with pressure liquid supply assembly, and the output end of pressure liquid supply assembly is communicated with liquid injection box.

[0007] In order to facilitate the pressurized delivery of liquid in storage cavity to atomizing spray hole, preferably, the pressure liquid supply assembly includes a pressure cylinder, the cavity of the working tank is fixedly connected with a mounting plate, the pressure cylinder is fixedly connected to the mounting plate, and a pressure rod is slidably connected to the pressure cylinder, one end of the pressure rod is fixedly connected to the breaker plate, the other end of the pressure rod extends into the pressure cylinder and is provided with a piston, and the piston is in close contact with the inner wall of the pressure cylinder, the pressure cylinder is respectively connected with an air inlet pipe and an air outlet pipe, the guide plate and the working tank form a storage cavity, the air outlet pipe is fixedly connected with the storage cavity, and the storage cavity is communicated with the liquid injection box through a telescopic pipe.

[0008] In order to prevent the air in the pressure cylinder from backflow, further, the air inlet pipe and the air outlet pipe are both provided with a one-way valve.

[0009] In order to facilitate the sliding movement of the crushing plate, preferably, the mounting plate is fixedly connected with a hydraulic cylinder, and the crushing plate is fixedly connected to the output end of the hydraulic cylinder.

[0010] In order to facilitate the vibration of the filter screen plate, preferably, the vibration assembly comprises a vibration motor fixedly connected to the filter screen plate, and the filter screen plate is provided with a baffle.

[0011] In order to facilitate the feeding of the rejected slag, preferably, the working box is provided with a feeding port, and the output end of the feeding port faces the guide plate.

[0012] In order to facilitate the discharge and recycling of the rejected slag, further, the working box is provided with a first outlet and a second outlet, respectively, the output end of the filter screen plate faces the first outlet, and the working box is provided with a conveying belt, the conveying belt is arranged below the filter screen plate, and the conveying belt extends to the outside of the working box through the second outlet.

[0013] In order to facilitate the vibration effect of the filter screen plate, preferably, the buffer comprises a spring, and the two ends of the spring are connected to the filter screen plate and the working box, respectively.

[0014] In order to intercept the air entering the air inlet pipe, preferably, the working box is provided with a shielding cover, and the air inlet pipe extends into the cavity of the shielding cover.

[0015] Further, the shielding cover is provided with a filter screen.

[0016] Compared with the prior art, the tunnel rejected slag screening equipment has the following beneficial effects:

[0017] 1. The tunnel rejected slag screening equipment can effectively adsorb dust particles in the air through the atomizing nozzles, so that the dust is reduced and the diffusion of the dust is reduced.

[0018] 2. The tunnel rejected slag screening equipment can generate vibration through the vibration motor, so that fine aggregate or soil can more easily penetrate the mesh holes of the filter screen plate, and coarse aggregate (small pieces of gravel) is blocked thereon, facilitating separation.

[0019] 3. The tunnel rejected slag screening equipment can effectively crush the rejected slag through the reciprocating movement of the crushing plate driven by the hydraulic cylinder, and due to the design of the guide plate and the existence of the surface protrusions, the material is uniformly distributed during the extrusion process, avoiding local overload and ensuring the efficiency of the crushing process. The crushed stone can form small particles, which can be processed or recycled for use.

[0020] The part not involved in the device is same as or can be realized by the prior art, the abandoned slag can be effectively extruded and broken, the broken stone blocks can form small particles, and then the particles are processed or recycled, the fine aggregate or soil can more easily penetrate the mesh holes of the filter screen plate, and the coarse aggregate (small stone blocks) is blocked thereon, so that separation is facilitated, and the fine mist can effectively adsorb dust particles in the air, so that the dust particles are settled and the spread of dust is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 A first perspective view of a structure of the tunnel abandoned slag screening equipment is provided in the utility model;

[0022] Figure 2 A second perspective view of a structure of the tunnel abandoned slag screening equipment is provided in the utility model;

[0023] Figure 3 A schematic view of a cavity in a working box of the tunnel abandoned slag screening equipment is provided in the utility model;

[0024] Figure 4 A schematic view of a structure of a part of the tunnel abandoned slag screening equipment is provided in the utility model Figure 1 .

[0025] Figure 5 A schematic view of a structure of a part of the tunnel abandoned slag screening equipment is provided in the utility model Figure 2 .

[0026] In the drawing: 1, working box; 2, guide plate; 3, protruding block; 4, mounting plate; 5, hydraulic cylinder; 6, breaking plate; 7, filter screen plate; 8, baffle; 9, spring; 10, vibration motor; 11, liquid spraying box; 12, atomizing spray hole; 13, booster cylinder; 14, booster rod; 15, shielding cover; 16, feeding port; 17, first outlet; 18, second outlet. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the utility model will be clearly and completely described in combination with 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.

[0028] In the description of the utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0029] Embodiment:

[0030] With reference to Figures 1-5 A tunnel waste residue screening device, comprising a working box 1, a feeding port 16 is further formed on the top of the working box 1, a guide plate 2 is further fixedly connected in the cavity of the working box 1, a movable crushing plate 6 is arranged in the working box 1, and a protrusion 3 is arranged on the surface of the guide plate 2, and a bucket shape is formed between the crushing plate 6 and the guide plate 2, which is used for extruding and crushing the tunnel waste residue, and the output end of the feeding port 16 faces the guide plate 2, so that the stones and soil in the waste residue can be put into the feeding port 16, and in this process, the output end faces the guide plate 2, so that the materials can be smoothly sent into the crushing area, that is, the stones and soil enter between the crushing plate 6 and the guide plate 2 through the feeding port 16, and a mounting plate 4 is further installed in the working box 1, a hydraulic cylinder 5 is fixedly connected on the mounting plate 4, and the crushing plate 6 is fixedly connected on the output end of the hydraulic cylinder 5.

[0031] The crushing plate 6 is fixedly connected on the output end of the hydraulic cylinder 5, can reciprocally move left and right under the driving of the hydraulic cylinder 5, can effectively extrude and crush the waste residue, and due to the design of the guide plate 2 and the existence of the protrusion 3 on the surface thereof, the materials are uniformly distributed in the extruding process, local overload is avoided, the efficiency of the crushing process is ensured, the crushed stones can form small particles, and then are processed or recycled.

[0032] A filter screen plate 7 is further connected in the working box 1 through a buffer, the buffer comprises a spring 9, both ends of the spring 9 are connected on the filter screen plate 7 and the working box 1 respectively, a vibrating assembly is arranged on the filter screen plate 7, and the filter screen plate 7 is arranged below the discharge end of the guide plate 2, the vibrating assembly comprises a vibrating motor 10 fixedly connected on the filter screen plate 7, and a baffle 8 is arranged on the filter screen plate 7.

[0033] The spring 9 is used for connecting between the filter screen plate 7 and the working box 1, buffers the impact in the screening process, the design of the spring 9 can slow down the impact force when the materials enter the filter screen plate 7, protects the filter screen plate 7 from being damaged, and improves the stability and effectiveness of the screening, the vibrating motor 10 is used for exciting the vibration of the filter screen plate 7, increases the movement of the materials on the screen surface, promotes the particles to pass through the filter screen plate 7, which can improve the processing efficiency, through the vibration, the fine aggregate or soil can more easily penetrate the mesh, while the coarse aggregate (small pieces of crushed stone) is blocked thereon, facilitating separation.

[0034] First and second outlets 17 and 18 are respectively formed on the working box 1, a conveying belt is arranged in the working box 1, the conveying belt is arranged below the filter screen plate 7, and the conveying belt extends to the outside of the working box 1 through the second outlet 18, is suitable for discharging the separated soil materials, and the materials are discharged by the conveying belt through the outlet, facilitating further processing or recycling.

[0035] The output end of the filter screen plate 7 is directed towards the first outlet 17 provided on the other side of the working tank 1, and the small stones suitable for reuse can be discharged through the outlet after being screened by the filter screen plate 7, so as to be smoothly transferred to the outside of the working tank 1.

[0036] In addition, a liquid spraying box 11 is fixedly connected to the inner wall of the working tank 1, and the liquid spraying box 11 is provided with atomizing spray holes 12, and the working tank 1 is provided with a pressurized liquid supply assembly, and the output end of the pressurized liquid supply assembly is in communication with the liquid spraying box 11, so that fine water mist can be sprayed out through the liquid spraying box 11, thereby reducing the amount of dust inside the working tank 1.

[0037] Further, the pressurized liquid supply assembly comprises a pressurized cylinder 13, the working tank 1 is fixedly connected with a mounting plate 4 in the cavity, the pressurized cylinder 13 is fixedly connected to the mounting plate 4, and the pressurized cylinder 13 is slidably connected with a pressurized rod 14, one end of the pressurized rod 14 is fixedly connected to the crushing plate 6, and the other end of the pressurized rod 14 extends into the pressurized cylinder 13 and is provided with a piston, and the piston is in close contact with the inner wall of the pressurized cylinder 13.

[0038] The guide plate 2 forms a liquid storage cavity with the working tank 1, the air outlet pipe is fixedly connected with the liquid storage cavity, and the liquid storage cavity is in communication with the liquid spraying box 11 through the telescopic pipe.

[0039] When the hydraulic cylinder 5 is started, the pressurized rod 14 will move back and forth synchronously, which can drive the piston to press the air in the pressurized cylinder 13, the pressurized cylinder 13 is respectively connected with the air inlet pipe and the air outlet pipe, so that air is taken in through the air inlet pipe and air is taken out through the air outlet pipe, and the air inlet pipe is arranged in the cavity of the shielding cover 15, and the shielding cover 15 is provided with a filter screen, so that the dust can be filtered, and the air inlet pipe and the air outlet pipe are both provided with a one-way valve, so that the gas in the pressurized cylinder 13 can be transported to the liquid storage cavity through the air outlet pipe, the liquid storage cavity is pressurized, and then the water source in the liquid storage cavity is transported to the liquid spraying box 11, and the water mist is sprayed out through the atomizing spray holes 12, thereby reducing the amount of dust inside the working tank 1.

[0040] When the device works, a large amount of dust is generated in the process of crushing and screening the waste residue, and through the atomizing spray holes 12, the fine water mist can effectively adsorb the dust particles in the air, so that the dust particles can be settled and the spread of dust can be reduced.

[0041] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A tunnel spoil screening device, comprising a working box (1), characterized in that, Also includes: A guide plate (2) is fixedly connected inside the cavity of the work box (1). The work box (1) is provided with a crushing plate (6), and the surface of the guide plate (2) is provided with a protrusion (3), and a bucket shape is formed between the crushing plate (6) and the guide plate (2); The filter screen (7) is connected to the working box (1) by a buffer. The filter plate (7) is provided with a vibration component, and the filter plate (7) is located below the discharge end of the guide plate (2); The spray box (11) is fixedly connected to the inner wall of the cavity of the working box (1). The spray box (11) is provided with atomizing nozzles (12), and the working box (1) is provided with a pressurized liquid supply component, and the output end of the pressurized liquid supply component is connected to the spray box (11).

2. The tunnel spoil screening equipment according to claim 1, characterized in that, The pressurized liquid supply assembly includes a pressurized cylinder (13), an mounting plate (4) is fixedly connected inside the cavity of the working box (1), the pressurized cylinder (13) is fixedly connected to the mounting plate (4), and a pressurized rod (14) is slidably connected to the pressurized cylinder (13). One end of the pressurized rod (14) is fixedly connected to the crushing plate (6), and the other end of the pressurized rod (14) extends into the pressurized cylinder (13) where a piston is provided, and the piston is in contact with the inner wall of the pressurized cylinder (13). An air inlet pipe and an air outlet pipe are respectively connected to the pressurized cylinder (13). The guide plate (2) and the working box (1) form a liquid storage chamber. The air outlet pipe is fixedly connected to the liquid storage chamber. The liquid storage chamber is connected to the spray box (11) through a telescopic pipe.

3. The tunnel spoil screening equipment according to claim 2, characterized in that, Both the air inlet pipe and the air outlet pipe are equipped with one-way valves.

4. A tunnel spoil screening device according to claim 2, characterized in that, A hydraulic cylinder (5) is fixedly connected to the mounting plate (4), and the crushing plate (6) is fixedly connected to the output end of the hydraulic cylinder (5).

5. A tunnel spoil screening device according to claim 1, characterized in that, The vibration assembly includes a vibration motor (10) fixedly connected to the filter plate (7), and a baffle (8) is provided on the filter plate (7).

6. A tunnel spoil screening device according to claim 5, characterized in that, The work box (1) is provided with a feed inlet (16), and the output end of the feed inlet (16) faces the guide plate (2).

7. A tunnel spoil screening device according to claim 6, characterized in that, The working box (1) is provided with a first outlet (17) and a second outlet (18). The output end of the filter plate (7) faces the first outlet (17), and a conveyor belt is provided inside the working box (1). The conveyor belt is located below the filter plate (7) and extends through the second outlet (18) to the outside of the working box (1).

8. A tunnel spoil screening device according to claim 1, characterized in that, The buffer includes a spring (9), the two ends of which are connected to the filter plate (7) and the working box (1), respectively.

9. A tunnel spoil screening device according to claim 1, characterized in that, The top of the work box (1) is provided with a shield (15), and the air inlet pipe extends into the cavity of the shield (15).

10. A tunnel spoil screening device according to claim 9, characterized in that, The shield (15) is provided with a filter screen.