Dust removal device for pavement base water-stable mixing station
By designing enclosed chambers and equipping water-stabilized mixing plants with spray and cleaning components, the problem of dust emissions during the transportation and mixing of cement and aggregate materials has been solved, achieving effective dust removal and reducing environmental pollution.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-30
- Publication Date
- 2026-04-03
AI Technical Summary
Dust generated during the transportation and mixing of cement and aggregate materials at water-stabilized mixing plants is freely emitted, causing environmental pollution.
Design a dust removal device including a compartment, a spray assembly, and a cleaning assembly. The compartment consists of side walls and a ceiling. The spray assembly sprays dust through a water pump, main water pipe, auxiliary water pipe, and nozzles connected to the bottom of the ceiling. The cleaning assembly cleans the ground through a ring water pipe and high-pressure nozzles. A dust concentration detector monitors the dust concentration in real time and activates the spray assembly. Dust curtains and dust nets reduce dust overflow.
It effectively prevents dust from being emitted into the environment from the cement and crushed stone conveying area and dry material mixing area of the water-stabilized mixing plant, reduces dust content, and lowers the dust concentration in the cabin through spraying and cleaning components.
Smart Images

Figure CN224071564U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the technical field of dust removal devices, specifically to a dust removal device used in a road base water-stabilized mixing plant. Background Technology
[0002] Water-stabilized mixing plants for highway pavement base construction are typically located close to the construction site and are temporary facilities used for mixing and processing cement and aggregate mixtures. Their purpose is to facilitate short-distance transportation and timely paving of the water-stabilized mix. Due to terrain conditions and construction costs, conventional water-stabilized mixing plants are generally open-air. During the mixing process, dust generated from the transportation and mixing of cement and aggregate materials is freely emitted and dispersed by the wind, affecting the lives of nearby residents and causing environmental pollution. Utility Model Content
[0003] In view of the shortcomings of the existing technology, the purpose of this utility model is to provide a dust removal device for a road base water-stabilized mixing plant, so as to solve the technical problem that the dust generated by the transportation and mixing of cement and sand and gravel materials in the existing water-stabilized mixing plant is freely emitted, affecting the lives of surrounding residents and causing environmental pollution.
[0004] To solve the above-mentioned technical problems, this utility model provides a dust removal device for a road base water-stabilized mixing plant, including a chamber, a spraying assembly, and a cleaning assembly. The chamber includes a side wall that is enclosed along the circumference and a roof covering the side wall. The chamber covers the cement and crushed stone conveying area and the dry material mixing area of the water-stabilized mixing plant. The side wall is provided with a slot for the conveyor belt for transporting the mixed material to pass through. The side wall is also provided with an openable door. The spraying assembly is connected to the bottom of the roof, and the cleaning assembly is connected to the bottom of the side wall.
[0005] With the above structure, the dust removal device for a road base water-stabilized mixing plant of this utility model has the following advantages: the relatively enclosed chamber formed by the side walls and the ceiling prevents the free emission of dust from the cement and crushed stone conveying area and the dry material mixing area of the water-stabilized mixing plant, reducing the amount of dust emitted into the environment from the cement and crushed stone conveying area and the dry material mixing area of the water-stabilized mixing plant. In addition, the spraying component sprays the interior of the chamber, causing the dust to be deposited on the ground, reducing the dust content in the chamber. The cleaning component cleans the sludge formed by the dust deposit on the ground.
[0006] As an improvement, the spray assembly includes a water pump, a main water pipe, several auxiliary water pipes, and several nozzles. The main water pipe is connected to the bottom of the ceiling along its length. Several auxiliary water pipes are equidistantly distributed along the length of the ceiling and connected to the bottom of the ceiling. Each auxiliary water pipe is set along the width of the ceiling and is connected to the main water pipe. The water pump is connected to the main water pipe, and several nozzles are connected to the bottom of each auxiliary water pipe. With this structure, the water pump supplies water to the main water pipe, the water flows from the main water pipe to each auxiliary water pipe and is sprayed out from the nozzles. The auxiliary water pipes are equidistantly distributed along the length of the ceiling, and each auxiliary water pipe is set along the width of the ceiling, which improves the dust removal effect of the spray in the cabin.
[0007] As an improvement, several nozzles on each auxiliary water pipe are equidistantly arranged along the length of the auxiliary water pipe; this structure further enhances the dust removal effect.
[0008] As an improvement, a dust concentration detector is installed inside the cabin, which is electrically connected to the spray assembly. With this structure, the dust concentration detector monitors the dust concentration inside the cabin in real time, and the spray assembly is activated to remove dust when the dust concentration reaches a preset value.
[0009] As an improvement, the cleaning assembly includes an annular water pipe arranged circumferentially along the inner wall of the side wall and several high-pressure nozzles. The high-pressure nozzles are connected to the annular water pipe and are equidistantly arranged circumferentially along the annular water pipe, with each high-pressure nozzle facing the ground. With this structure, the high-pressure nozzles spray water onto the ground after being activated, so as to clean the floor inside the compartment.
[0010] As an improvement, a dustproof curtain is provided at the top of the slot; this structure reduces the amount of dust overflowing at the slot.
[0011] As an improvement, the roof is equipped with several exhaust vents, each connected to a dust screen; this structure allows air to circulate between the cabin and the outside air, while the dust screens reduce dust from escaping from the exhaust vents.
[0012] As an improvement, the top of the canopy is equipped with several exhaust channels that correspond one-to-one with the exhaust vents, and each exhaust channel is connected to a fan; this structure further promotes the circulation of air between the cabin and the outside air. Attached Figure Description
[0013] Figure 1 This is a schematic diagram of the structure of this utility model.
[0014] Figure 2 This is a three-dimensional structural diagram of the present invention.
[0015] Figure 3 This is a schematic diagram of the grooved section of this utility model.
[0016] Figure 4 This is a schematic diagram of the structure of the exhaust port of this utility model.
[0017] Reference numerals: 1. Compartment; 11. Side wall; 12. Ceiling; 2. Sprinkler assembly; 21. Water pump; 22. Main water pipe; 23. Auxiliary water pipe; 24. Sprinkler head; 3. Cleaning assembly; 31. Circular water pipe; 32. High-pressure nozzle; 4. Slot; 5. Door; 6. Dust curtain; 7. Exhaust port; 8. Dust net; 9. Exhaust passage; 10. Fan. Detailed Implementation
[0018] The dust removal device for a road base water-stabilized mixing plant according to this utility model will be described in detail below with reference to the accompanying drawings.
[0019] like Figures 1 to 4 As shown, a dust removal device for a road base water-stabilized mixing plant includes a chamber 1, a spray assembly 2, and a washing assembly 3. The chamber 1 includes circumferentially enclosed side walls 11 and a roof 12 covering the side walls 11. The chamber 1 is constructed of corrugated steel sheets. The side walls 11 and the roof 12 are fixedly connected by threaded fasteners, while the side walls 11 are directly fixed to the ground by threaded fasteners. The chamber 1 covers the cement and aggregate conveying area and the dry material mixing area of the water-stabilized mixing plant. Figure 2 As shown, the overall structure of compartment 1 is roughly rectangular. However, due to the different widths of the cement and crushed stone conveying area and the dry material mixing area, compartment 1 has a wider wide section and a narrower narrow section.
[0020] like Figure 3 As shown, the side wall 11 is provided with a slot 4 for the conveyor belt for transporting the mixed material. The slot 4 is located at the end of the narrow section. The conveyor belt for transporting the mixed material is exposed outside the chamber 1 through the slot 4. A dust curtain 6 is provided at the top of the slot 4 to reduce the leakage of dust from the chamber 1.
[0021] like Figure 2 As shown, the side wall 11 is also provided with an openable door 5. In this embodiment, there are two doors 5 in total. One door 5 is for workers to enter and exit, and the other door 5 is for the transportation of raw materials. The doors 5 are connected to the side wall 11 in the form of hinges or roller shutters.
[0022] like Figure 1As shown, the sprinkler assembly 2 is connected to the bottom of the ceiling 12. The sprinkler assembly 2 includes a water pump 21, a main water pipe 22, several auxiliary water pipes 23, and several nozzles 24. The main water pipe 22 is connected to the bottom of the ceiling 12 along its length. The several auxiliary water pipes 23 are equidistantly distributed along the length of the ceiling 12 and connected to the bottom of the ceiling 12. Each auxiliary water pipe 23 is arranged along the width of the ceiling 12 and is connected to the main water pipe 22. The water pump 21 is connected to the main water pipe 22. Several nozzles 24 are connected to the bottom of each auxiliary water pipe 23. The nozzles 24 on each auxiliary water pipe 23 are equidistant along its length. The auxiliary water pipe 23 in the wider section is longer than the auxiliary water pipe 23 in the narrower section. Each auxiliary water pipe 23 has four or six nozzles 24 arranged according to its length. The specific structure of the nozzles 24 is prior art and will not be described in detail here.
[0023] In addition, a dust concentration detector is installed in the compartment 1. The dust concentration detector is electrically connected to the spray assembly 2, specifically, it is electrically connected to the water pump 21.
[0024] like Figure 1 As shown, the cleaning assembly 3 is connected to the bottom of the side wall 11. The cleaning assembly 3 includes an annular water pipe 31 arranged circumferentially along the inner wall of the side wall 11 and several high-pressure nozzles 32. The several high-pressure nozzles 32 are connected to the annular water pipe 31 and are equidistantly arranged circumferentially along the annular water pipe 31. Each high-pressure nozzle 32 faces the ground. The specific structure of the high-pressure nozzle 32 is existing technology and will not be described in detail here.
[0025] like Figure 4 As shown, the ceiling 12 is provided with several exhaust ports 7, and each exhaust port 7 is connected to a dustproof net 8; the top of the ceiling 12 is provided with several exhaust channels 9 corresponding to the exhaust ports 7, and each exhaust channel 9 is connected to a fan 10.
[0026] In this invention, a relatively enclosed chamber 1 is formed by side walls 11 and ceiling 12 to prevent the free emission of dust from the cement and aggregate conveying area and dry material mixing area of the water-stabilized mixing plant, thereby reducing the amount of dust emitted into the environment. In addition, the spraying component 2 sprays the interior of the chamber 1, causing the dust to settle on the ground, reducing the dust content in the chamber 1. The cleaning component 3 then cleans the sludge formed by the dust deposits on the ground.
[0027] The embodiments of the present invention have been described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above-described embodiment. All other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.
Claims
1. A dust removal device for a water stable mixing station of a road base, characterized by, The utility model provides a cement and gravel material cleaning cabin, which comprises a cabin (1), a spraying assembly (2) and a cleaning assembly (3), the cabin (1) comprises a side wall (11) arranged in a circumferential direction and a ceiling (12) arranged above the side wall (11), the cabin (1) covers a cement and gravel material conveying area and a dry material mixing and stirring area of a water stable mixing station, the side wall (11) is provided with a slot (4) for a conveying belt conveying mixed materials to pass through, and the side wall (11) is also provided with a door body (5) that can be opened and closed, the spraying assembly (2) is connected to the bottom end of the ceiling (12), and the cleaning assembly (3) is connected to the bottom of the side wall (11).
2. The dust removing apparatus for a pavement base water stable mixing station according to claim 1, characterized by The spraying assembly (2) comprises a water pump (21), a main water pipe (22), a plurality of auxiliary water pipes (23) and a plurality of spray heads (24), the main water pipe (22) is connected to the bottom end of the ceiling (12) in the length direction of the ceiling (12), the plurality of auxiliary water pipes (23) are distributed at equal intervals in the length direction of the ceiling (12) and are connected to the bottom end of the ceiling (12), each auxiliary water pipe (23) is arranged in the width direction of the ceiling (12), each auxiliary water pipe (23) is connected to the main water pipe (22), the water pump (21) is connected to the main water pipe (22), and the bottom end of each auxiliary water pipe (23) is connected to a plurality of spray heads (24).
3. The dust removal device for a pavement base water stable mixing station according to claim 2, characterized in that, The plurality of spray heads (24) on each auxiliary water pipe (23) are arranged at equal intervals in the length direction of the auxiliary water pipe (23).
4. The dust removing apparatus for a pavement base water stable mixing station according to claim 1, characterized by A dust concentration detector is arranged in the cabin (1) and is electrically connected to the spraying assembly (2).
5. The dust removing apparatus for a pavement base water stable mixing station according to claim 1, characterized by The cleaning assembly (3) comprises an annular water pipe (31) arranged in the circumferential direction of the inner wall of the side wall (11) and a plurality of high-pressure nozzles (32), the plurality of high-pressure nozzles (32) are connected to the annular water pipe (31) and are arranged at equal intervals in the circumferential direction of the annular water pipe (31), and each high-pressure nozzle (32) faces the ground.
6. The dust removing apparatus for a pavement base water stable mixing station according to claim 1, characterized by The top end of the slot (4) is provided with a dustproof curtain (6).
7. The dust removing apparatus for a pavement base water stable mixing station according to claim 1, characterized by The ceiling (12) is provided with a plurality of exhaust ports (7), and a dustproof net (8) is connected to each exhaust port (7).
8. The dust removal device for a water-stable mixture station for a road base according to claim 7, characterized in that, The top end of the ceiling (12) is provided with a plurality of exhaust channels (9) corresponding to the exhaust ports (7) in a one-to-one manner, and a fan (10) is connected to each exhaust channel (9).