Construction waste crushing and separating device capable of reducing dust
By using transmission gears and tilted crushing shafts in the crushing and separation device of construction waste, efficient crushing and separation of large pieces of raw materials is achieved, the problem of raw material retention is solved, and the dust reduction effect of the equipment is improved through water spray dust reduction measures.
Patent Information
- Application Number
- CN202421721158.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-19
- Publication Date
- 2025-05-16
- Estimated Expiration
- 2034-07-19
AI Technical Summary
When the existing construction waste crushing and separation devices deal with large pieces of raw materials, they are prone to rolling, resulting in large pieces of raw materials being retained, affecting the crushing efficiency and subsequent processing.
A dust-reducing construction waste crushing and separation device is designed, using transmission gears and tilted crushing shafts. The first driving motor drives the transmission gears to rotate, drives the crushing shafts to crush raw materials, and repeatedly crushes and separates large pieces of raw materials through the filter grid and the guide shaft. At the same time, dust reduction cleaning columns and water inlet pipes are used to spray water and dust reduction, which improves the dust reduction effect of the equipment.
Through the cooperation of the inclined crushing shaft and transmission gear, the retention of large pieces of raw materials is effectively avoided, and the crushing efficiency and effect is improved. At the same time, the water spray and dust reduction measures of the dust reduction cleaning column significantly improve the dust reduction effect of the equipment.
Smart Images
Figure CN222872285U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of building construction, in particular to a construction waste crushing and separation device for reducing dust. Background Art
[0002] Construction waste refers to the general term for slag, waste concrete, waste bricks and stones, waste mortar, mud, asphalt blocks, waste plastics, waste metals, waste bamboo and wood and other wastes generated in the production activities of the construction industry such as demolition, construction, decoration and repair. If construction waste is not handled and utilized in time, it will have adverse effects on society, the environment and resources. The crushing and separation of construction waste is an important link in the treatment and resource utilization of construction waste. The main purpose of crushing and separation is to decompose large pieces of construction waste into smaller particles and separate them according to different material properties for subsequent classification and reuse. The materials after crushing and separation can have multiple uses. The crushed aggregates can be used to produce recycled concrete, recycled bricks and other building materials. The separated metals can be recycled and reused. Light materials such as plastics and wood can also be handled and reprocessed separately.
[0003] When the existing construction waste crushing and separation device is in use, the raw materials are introduced from the top and then crushed and separated. However, the raw materials are of different sizes. Smaller raw materials are easy to be crushed and fall, while large pieces of raw materials are easy to roll in the drum-type crushing structure, which makes the large pieces of raw materials retained, which is not conducive to improving the crushing efficiency and affects the subsequent processing of raw materials. Utility Model Content
[0004] The utility model aims to provide a construction waste crushing and separation device with dust reduction, so as to solve the problem proposed in the above-mentioned background technology that large pieces of raw materials are prone to rolling in the drum-type crushing structure, causing the large pieces of raw materials to be retained, which is not conducive to improving the crushing efficiency and affects the subsequent processing of the raw materials.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a dust-reducing construction waste crushing and separation device, comprising a protective shell, a front surface of which is rotatably connected to a maintenance door, an upper surface of the protective shell is fixedly connected to a feed hopper, a cavity is provided inside the protective shell, an inner wall of the protective shell cavity is fixedly connected to a first drive motor, two transmission gears are rotatably connected to the inner wall of the protective shell cavity, one end of the rotating shaft of the transmission gear is fixedly connected to a crushing shaft, a filter rack is fixedly connected to the inner wall of the protective shell cavity, an opening is provided on the inner wall of the protective shell cavity, and a dust filter is fixedly connected to the surface of the opening of the protective shell, and a guide fan is provided on the rear surface of the protective shell.
[0006] Preferably, the feed hopper is communicated with the upper end of the protective shell cavity, and the output end of the first drive motor is fixedly connected to the rotating shaft of the transmission gear on one side.
[0007] By adopting the above technical solution, the raw materials can be easily introduced into the protective shell through the feed hopper, and the transmission gear is driven to rotate by the first drive motor.
[0008] Preferably, the two transmission gears are meshed with each other, the crushing shaft is of truncated cone design, the crushing shaft surface is provided with crushing tooth blocks, and the tooth blocks of the two crushing shafts are staggered, and the crushing shaft is of inclined design.
[0009] By adopting the above technical solution, the two transmission gears are meshed with each other, so that the transmission gear drives the crushing shaft to rotate.
[0010] Preferably, the filter rack is of inclined design, and a complex processing groove is provided between the inner wall of the protective shell cavity and the filter rack.
[0011] By adopting the above technical solution, the inclined design of the filter frame facilitates the discharge of fine raw materials, and the large raw materials are collected through the complex processing groove of the protective shell.
[0012] Preferably, a second drive motor is fixed to the bottom surface of the reprocessing groove of the protective shell, and the output end of the second drive motor is fixedly connected to a material guide shaft, the outer surface of the material guide shaft is provided with spiral blades, and the upper end of the reprocessing groove of the protective shell is connected to the feed hopper.
[0013] By adopting the above technical solution, the second driving motor drives the material guide shaft to rotate so that the spiral blades drive the raw materials.
[0014] Preferably, a vertical gear is provided at the output end of the second driving motor, a horizontal gear is rotatably connected to the inner wall of the complex processing groove of the protective shell, a dust reduction and cleaning column is rotatably connected to the inner wall of the cavity at the lower end of the protective shell, and an opening is provided on the side surface of the dust reduction and cleaning column, and a water inlet pipe is installed through the side surface of the protective shell.
[0015] By adopting the above technical solution, the second driving motor drives the vertical gear to rotate, so that the vertical gear drives the horizontal gear to rotate, and the horizontal gear drives the dust reduction and cleaning column to rotate through the transmission chain.
[0016] Preferably, the vertical gear and the horizontal gear are meshed and connected, a sprocket is provided at one end of the rotating shaft of the horizontal gear, a sprocket is provided at one end of the rotating shaft of the dust reduction cleaning column, a transmission chain is provided between the sprocket of the dust reduction cleaning column and the sprocket of the horizontal gear, a dust reduction nozzle is provided on the surface of the dust reduction cleaning column, and the dust reduction cleaning column is rotatably connected to the water inlet pipe, and the water inlet pipe is communicated with the nozzle of the dust reduction cleaning column.
[0017] By adopting the above technical solution, water is injected into the dust reduction cleaning column through the water inlet pipe, so that the dust reduction cleaning column sprays water through the dust reduction nozzle to reduce dust while rotating.
[0018] Compared with the prior art, the utility model has the following beneficial effects: the construction waste crushing and separation device for dust reduction:
[0019] 1. A transmission gear and a crushing shaft are provided. When the device is working, the first driving motor drives the transmission gear on one side to rotate, so that the two transmission gears mesh and rotate with each other, and the crushing shaft is driven to rotate by the transmission gear. The inclined crushing shaft is convenient for guiding the movement of raw materials, and the frustum design of the crushing shaft makes the size of the crushing gradually increase, so that large pieces of raw materials will not accumulate and stay, and it is conducive to the rapid passage of small raw materials, thereby improving the crushing efficiency;
[0020] 2. A filter rack and a guide shaft are provided, so that when the device is working, the raw materials are separated by the filter rack, thereby leaving large pieces of raw materials. Then the inclined filter rack guides the large pieces of raw materials into the reprocessing groove of the protective shell, so that the guide shaft is driven to rotate by the second drive motor, so that the blades of the guide shaft drive the large pieces of raw materials to fall to the upper end of the crushing shaft again, thereby repeatedly crushing the large pieces of raw materials, improving the crushing effect;
[0021] 3. A dust removal cleaning column and a water inlet pipe are provided, so that when the device is working, the dust generated by the internal processing can be guided through the guide fan and the dust filter to prevent the dust from flying out and affecting the health of personnel, and the cleaning water is introduced into the dust removal cleaning column through the water inlet pipe, so that the dust removal cleaning column sprays water through the dust removal nozzle to absorb the dust, and the horizontal gear and the dust removal cleaning column are driven to rotate through the second drive motor and the vertical gear, so that the dust removal cleaning column improves the uniformity of spraying cleaning water and improves the dust reduction effect. BRIEF DESCRIPTION OF THE DRAWINGS
[0022] Figure 1 This is a schematic diagram of the three-dimensional structure of the protective housing and the maintenance door connected to the utility model;
[0023] Figure 2 This is a schematic diagram of the three-dimensional structure of the connection between the protective housing and the feed hopper of the utility model;
[0024] Figure 3 This is a schematic diagram of the three-dimensional structure of the connection between the first driving motor and the transmission gear of the utility model;
[0025] Figure 4 This is a schematic diagram of the three-dimensional structure of the connection between the protective housing and the filter frame of the utility model;
[0026] Figure 5 This is a schematic diagram of the three-dimensional structure of the second driving motor and the vertical gear connected to the utility model;
[0027] Figure 6 It is a schematic diagram of the three-dimensional structure of the connection between the second drive motor and the material guide shaft of the utility model.
[0028] In the figure: 1. Protective shell; 2. Maintenance door; 3. Feed hopper; 4. First drive motor; 5. Transmission gear; 6. Crushing shaft; 7. Filter rack; 8. Dust filter; 9. Guide fan; 10. Second drive motor; 11. Vertical gear; 12. Guide shaft; 13. Horizontal gear; 14. Dust reduction and cleaning column; 15. Water inlet pipe. DETAILED DESCRIPTION
[0029] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0030] See also Figure 1-6 The utility model provides a technical solution: a dust-reducing construction waste crushing and separation device, comprising a protective shell 1, a maintenance baffle door 2, a feed hopper 3, a first drive motor 4, a transmission gear 5, a crushing shaft 6, a filter rack 7, a dust filter 8, a guide fan 9, a second drive motor 10, a vertical gear 11, a guide shaft 12, a horizontal gear 13, a dust-reducing cleaning column 14 and a water inlet pipe 15. The protective shell 1 is rotatably connected with the maintenance baffle door 2 on its front surface, the feed hopper 3 is connected to the upper end of the cavity of the protective shell 1, and the output end of the first drive motor 4 is fixedly connected to the rotating shaft of the transmission gear 5 on one side. When using this device, raw materials are introduced through the feed hopper 3, and then the transmission gear 5 on one side is driven to rotate, so that the two transmission gears 5 are meshed and rotated with each other, and the crushing shaft 6 is driven to rotate by the transmission gear 5 to crush the raw materials, so that the raw materials are separated and filtered by the filter rack 7 and then collected centrally, and the dust filter 8 is used to prevent dust from flying out, and the guide fan 9 guides the dust to prevent it from being discharged from the feed hopper 3.
[0031] A feed hopper 3 is fixedly connected to the upper surface of the protective shell 1, a cavity is provided inside the protective shell 1, two transmission gears 5 are meshed with each other, the crushing shaft 6 is of truncated cone design, crushing tooth blocks are provided on the surface of the crushing shaft 6, and the tooth blocks of the two crushing shafts 6 are staggered, the crushing shaft 6 is of inclined design, the filter frame 7 is of inclined design, and a complex processing groove is provided between the inner wall of the cavity of the protective shell 1 and the filter frame 7. When the crushing shaft 6 is working, the inclined design of the crushing shaft 6 is convenient for guiding the raw material to move, so that the raw material can be crushed and fall quickly at the same time, thereby preventing the blockage of large pieces of raw material.
[0032] A first drive motor 4 is fixedly connected to the inner wall of the cavity of the protective shell 1, and two transmission gears 5 are rotatably connected to the inner wall of the cavity of the protective shell 1. One end of the rotating shaft of the transmission gear 5 is fixedly connected to the crushing shaft 6. A second drive motor 10 is fixed to the bottom surface of the reprocessing groove of the protective shell 1, and a guide shaft 12 is fixedly connected to the output end of the second drive motor 10. The outer surface of the guide shaft 12 is provided with spiral blades. The upper end of the reprocessing groove of the protective shell 1 is connected to the feed hopper 3. The inclined filter frame 7 separates the crushed raw materials and guides the remaining large pieces of raw materials, so that the large pieces of raw materials slide into the reprocessing groove of the protective shell 1. The guide shaft 12 is driven to rotate by the second drive motor 10, so that the guide shaft 12 drives the large pieces of raw materials to fall back to the upper end of the crushing shaft 6 through the spiral blades, thereby repeatedly crushing the large pieces of raw materials and improving the crushing effect.
[0033] The inner wall of the cavity of the protective shell 1 is fixedly connected with a filter frame 7, the inner wall of the cavity of the protective shell 1 is provided with an opening, and the surface of the opening of the protective shell 1 is fixedly connected with a dust filter 8, the rear surface of the protective shell 1 is provided with a guide fan 9, the output end of the second drive motor 10 is provided with a vertical gear 11, the inner wall of the complex processing groove of the protective shell 1 is rotatably connected with a horizontal gear 13, the inner wall of the cavity at the lower end of the protective shell 1 is rotatably connected with a dust reduction cleaning column 14, and the side surface of the dust reduction cleaning column 14 is provided with an opening, and a water inlet pipe 15 is installed through the side surface of the protective shell 1, the vertical gear 11 is meshed with the horizontal gear 13, one end of the rotating shaft of the horizontal gear 13 is provided with a sprocket, and one end of the rotating shaft of the dust reduction cleaning column 14 is provided with a sprocket. A transmission chain is arranged between the sprocket of the cleaning column 14 and the sprocket of the horizontal gear 13, a dust reduction nozzle is arranged on the surface of the dust reduction cleaning column 14, and the dust reduction cleaning column 14 is rotatably connected to the water inlet pipe 15, and the water inlet pipe 15 is communicated with the nozzle of the dust reduction cleaning column 14. When the second drive motor 10 is working, its output end drives the vertical gear 11 to rotate, and the vertical gear 11 drives the horizontal gear 13 to rotate through the tooth block, so that the horizontal gear 13 drives the dust reduction cleaning column 14 to rotate through the transmission chain, and introduces cleaning water to the dust reduction cleaning column 14 through the water inlet pipe 15, so that the dust reduction nozzle of the dust reduction cleaning column 14 sprays water to adsorb dust. At the same time, the rotating dust reduction cleaning column 14 will improve the uniformity of water spraying, thereby further improving the dust reduction effect.
[0034] Working principle: When using the construction waste crushing and separation device for dust reduction, firstly, the raw materials are introduced through the feed hopper 3, so that the first drive motor 4 drives the transmission gear 5 to rotate, and the two transmission gears 5 are engaged with each other to drive the crushing shaft 6 to rotate to crush the raw materials. At the same time, the crushing shaft 6 will guide the raw materials to fall, and separate the raw materials through the filter frame 7, so that the large pieces of raw materials filtered out are guided to the guide shaft 12, so that the second drive motor 10 drives the guide shaft 12 to rotate, thereby driving the large pieces of raw materials to be repeatedly crushed, and the dust is guided and collected through the dust filter 8 and the guide fan 9. At the same time, the second drive motor 10 drives the horizontal gear 13 and the dust reduction cleaning column 14 to rotate through the vertical gear 11, so that the water inlet pipe 15 introduces water into the dust reduction cleaning column 14, and the dust reduction cleaning column 14 is rotated to spray water to reduce dust, thereby increasing the overall practicality.
[0035] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A construction waste crushing and separation device for dust reduction, comprising a protective housing (1), a front surface of which is rotatably connected to a maintenance door (2), and an upper surface of the protective housing (1) is fixedly connected to a feed hopper (3), characterized in that: The protective shell (1) is provided with a cavity inside, the inner wall of the cavity of the protective shell (1) is fixedly connected to a first drive motor (4), the inner wall of the cavity of the protective shell (1) is rotatably connected to two transmission gears (5), one end of the rotating shaft of the transmission gear (5) is fixedly connected to a crushing shaft (6), the inner wall of the cavity of the protective shell (1) is fixedly connected to a filter rack (7), the inner wall of the cavity of the protective shell (1) is provided with an opening, and the surface of the opening of the protective shell (1) is fixedly connected to a dust filter (8), and the rear surface of the protective shell (1) is provided with a guide fan (9).
2. The construction waste crushing and separation device for dust reduction according to claim 1 is characterized by: The feed hopper (3) is in communication with the upper end of the cavity of the protective housing (1), and the output end of the first drive motor (4) is fixedly connected to the rotating shaft of a transmission gear (5) on one side.
3. The construction waste crushing and separation device for dust reduction according to claim 1 is characterized by: The two transmission gears (5) are meshed with each other, the crushing shaft (6) is of truncated cone design, a crushing tooth block is arranged on the surface of the crushing shaft (6), and the tooth blocks of the two crushing shafts (6) are staggered, and the crushing shaft (6) is of inclined design.
4. The construction waste crushing and separation device for dust reduction according to claim 1 is characterized by: The filter mesh frame (7) is of inclined design, and a complex processing groove is provided between the inner wall of the cavity of the protective shell (1) and the filter mesh frame (7).
5. The construction waste crushing and separation device for dust reduction according to claim 1 is characterized by: A second drive motor (10) is fixed to the bottom surface of the reprocessing groove of the protective housing (1), and a material guide shaft (12) is fixedly connected to the output end of the second drive motor (10), and a spiral blade is provided on the outer surface of the material guide shaft (12). The upper end of the reprocessing groove of the protective housing (1) is connected to the feed hopper (3).
6. The construction waste crushing and separation device for dust reduction according to claim 5 is characterized by: The output end of the second drive motor (10) is provided with a vertical gear (11), the inner wall of the complex processing groove of the protective shell (1) is rotatably connected to a horizontal gear (13), the inner wall of the cavity at the lower end of the protective shell (1) is rotatably connected to a dust removal and cleaning column (14), and the side surface of the dust removal and cleaning column (14) is provided with an opening, and a water inlet pipe (15) is installed through the side surface of the protective shell (1).
7. The construction waste crushing and separation device for dust reduction according to claim 6 is characterized by: The vertical gear (11) is meshedly connected with the horizontal gear (13); a sprocket is provided at one end of the rotating shaft of the horizontal gear (13); a sprocket is provided at one end of the rotating shaft of the dust reduction cleaning column (14); a transmission chain is provided between the sprocket of the dust reduction cleaning column (14) and the sprocket of the horizontal gear (13); a dust reduction nozzle is provided on the surface of the dust reduction cleaning column (14); the dust reduction cleaning column (14) is rotatably connected with the water inlet pipe (15), and the water inlet pipe (15) is communicated with the nozzle of the dust reduction cleaning column (14).