Building waste environment-friendly classification device

By using a support frame, carrier column, separation hopper, and motor-driven gear transmission system, combined with dust filter components and cleaning components, the problem of incomplete dust separation in construction waste classification is solved, achieving thorough classification and safe transportation of dust and solids.

CN224114551UActive Publication Date: 2026-04-14QIN HENG CONSTR DEV CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-05-12
Publication Date
2026-04-14

AI Technical Summary

Technical Problem

Existing environmental sorting devices for construction waste use vibration during dust separation, which causes some dust to remain adhered to the top of the waste and cannot be separated. Furthermore, the dust is easily dispersed during vibration, posing a health hazard to operators.

Method used

The system employs a support frame, column, separation hopper, sieve plate, and motor-driven gear transmission system to move and vibrate construction waste back and forth in the separation hopper. Combined with dust filtration components to collect dust, the motor-driven screw rotates the sealing cover to prevent dust from overflowing. The dust filtration and cleaning components achieve thorough separation and collection of dust.

Benefits of technology

It achieves thorough separation of dust and solids in construction waste, reduces dust spillage, protects worker health, and ensures safety and environmental protection during transportation.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an environment-friendly classification device for building waste, which relates to the technical field of building waste classification and comprises a support frame, carrying columns are inserted into the front side and the rear side of the support frame, the support frame is rotatably connected with the carrying columns through bearings, a separation hopper is fixed between the two carrying columns, and a sieve plate is fixedly mounted in the separation hopper. And the bottom of the separating hopper fixedly communicates with a discharging pipe, and the outer portion of the front side loading column is fixedly sleeved with a first gear. A first motor is used for driving a second gear to rotate back and forth, the second gear drives a first gear to rotate, and the first gear drags a separation hopper to rotate by means of a carrying column, so that building waste put into the separation hopper moves back and forth on a sieve plate, the building waste can vibrate after colliding with the separation hopper, and the angle of the building waste can change back and forth; and dust in the building waste is separated, so that the dust and other solids in the building waste are classified more thoroughly.
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Description

Technical Field

[0001] This utility model relates to the field of construction waste sorting technology, and in particular to an environmentally friendly construction waste sorting device. Background Technology

[0002] Construction processes generate a large amount of construction waste, including discarded building materials, packaging materials, and construction equipment. The accumulation of this waste at construction sites not only occupies significant land resources but also potentially pollutes the surrounding environment. Therefore, it is necessary to use transport vehicles to transfer the construction waste to specialized processing plants for disposal.

[0003] Before construction waste is transferred, it needs to be simply sorted by volume. This is because dust from construction waste is stirred up during transfer and unloading, mixing into the air and seriously endangering the respiratory health of transport personnel and workers. Furthermore, the scattered dust poses a significant environmental hazard, failing to meet environmental protection requirements. Common construction waste sorting devices use vibration to shake off dust from the waste. However, the construction waste does not change its shape during vibration, causing some dust to remain adhered to the top and unable to separate. Moreover, the vibration easily disperses dust into the air, causing pollution and harming the respiratory health of operators. Utility Model Content

[0004] The purpose of this application is to provide an environmentally friendly construction waste sorting device to solve the problem mentioned in the background art that common environmentally friendly construction waste sorting devices use vibration to shake off the dust from the construction waste during the separation of construction waste dust. However, the construction waste does not change its shape during the vibration process, resulting in some dust still adhering to the top of the construction waste and being unable to be separated. Furthermore, during the vibration of the construction waste, the dust is easily dispersed into the air, causing certain pollution and endangering the respiratory health of the operators.

[0005] To achieve the above objectives, this application provides the following technical solution: an environmentally friendly sorting device for construction waste, comprising a support frame, with carrier columns inserted into both the front and rear sides of the support frame, and the connection between the support frame and the carrier columns being rotatably connected via bearings. A separation hopper is fixed between the two carrier columns, a sieve plate is fixedly installed inside the separation hopper, and a discharge pipe is fixedly connected to the bottom of the separation hopper. A first gear is fixedly sleeved on the outside of the front carrier column. A transmission rod is inserted into the front side of the support frame, and the connection between the support frame and the transmission rod is rotatably connected via bearings. A second gear is fixedly fixed at the rear end of the transmission rod, and the first gear and the second gear mesh with each other. The front side of the support frame is fixedly... A first motor is fixedly installed, and the transmission rod is driven by the first motor. A first support plate is fixed to the outside of the separation hopper. A rectangular frame plate is fixed to the top of the first support plate. A lead screw is rotatably connected between the upper and lower inner walls of the rectangular frame plate through bearings. A sliding plate is threaded onto the lead screw. The sliding plate slides against the inner wall of the rectangular frame plate, and a sealing cover is fixed on the sliding plate. The sealing cover is located directly above the separation hopper. A second motor is fixedly installed at the bottom of the first support plate, and the lead screw is driven by the second motor. A dust filter assembly is installed on the support frame. The dust filter assembly is connected to the discharge pipe and is used to collect the dust separated in the separation hopper.

[0006] Furthermore, a reinforcing rod is fixed between the upper and lower inner walls of the rectangular frame plate, and the sliding plate is slidably sleeved on the outside of the reinforcing rod.

[0007] Furthermore, the dust filtration assembly includes a second support plate, which is fixedly mounted on a support frame. A filter cylinder is fixedly mounted on the top of the second support plate. A feed pipe is fixedly connected to the filter cylinder. A corrugated pipe is fixedly connected between the feed pipe and the discharge pipe. A discharge pipe is fixedly connected to the bottom of the filter cylinder. A discharge valve is installed on the discharge pipe. A top plate is fixedly mounted on the top of the filter cylinder. An exhaust assembly is installed on the top plate. The exhaust assembly is used to discharge the air inside the filter cylinder. A filter assembly is installed inside the filter cylinder. The filter assembly is used to trap dust inside the filter cylinder. A cleaning assembly is installed on the filter cylinder and the top plate. The cleaning assembly is used to clean the filter assembly.

[0008] Furthermore, the exhaust assembly includes a fan, which is fixedly installed on the top of the top plate. The air inlet of the fan is fixedly connected to an air duct, and the top plate is fixedly sleeved on the outside of the air duct.

[0009] Furthermore, the filter assembly includes a carrier plate, which is fixedly installed inside the filter cylinder, and the carrier plate has several mounting holes. Dust removal filter bags are installed in the mounting holes, and a cage is inserted into the inside of the dust removal filter bags.

[0010] Furthermore, the cleaning assembly includes a third support plate, which is fixedly installed on the outside of the filter cartridge. A high-pressure air tank is fixedly installed on the top of the third support plate. An air supply pipe is fixedly connected to the high-pressure air tank. A transfer pipe is fixedly connected to the other end of the air supply pipe. A plurality of blow pipes are fixedly connected to the transfer pipe. The top plate is fixedly sleeved on the outside of the plurality of blow pipes. An electromagnetic pulse valve is installed on the air supply pipe.

[0011] Furthermore, an air pump is fixedly installed at the bottom of the third support plate, and an air supply pipe is fixedly connected between the air outlet of the air pump and the high-pressure air tank. A one-way valve is installed on the air supply pipe.

[0012] In summary, the technical effects and advantages of this utility model are as follows:

[0013] In this invention, a first motor drives a second gear to rotate back and forth, which in turn drives the first gear to rotate. The first gear, with the help of a support column, pulls the separation bucket to rotate, causing the construction waste placed in the separation bucket to move back and forth above the screen plate in the separation bucket. When the construction waste collides with the separation bucket, it vibrates and its angle changes back and forth, allowing the dust in the construction waste to be separated and fall below the screen plate with the assistance of the dust filter assembly. In this way, the separation of dust and other solids in the construction waste is more thorough, which facilitates the separate transportation of both, reduces the spillage of dust during the transportation of construction waste, and protects the breathing safety of workers.

[0014] In this invention, a second motor drives a lead screw to rotate, which in turn pulls a sliding plate to move longitudinally via lead screw transmission. The sliding plate then moves the sealing cover accordingly, allowing the sealing cover to cover the top of the separation hopper as it rotates back and forth, preventing dust from spilling out during the sorting of construction waste. After the construction waste is sorted and loaded / unloaded, the sealing cover moves upward to maintain a suitable distance from the separation hopper, thus not interfering with the loading and unloading of construction waste. Attached Figure Description

[0015] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the accompanying drawings used in the embodiments or the prior art will be briefly introduced below.

[0016] Figure 1 This is a three-dimensional structural schematic diagram of a construction waste environmental sorting device according to an embodiment of this application;

[0017] Figure 2 This is a diagram showing the positional relationship between the support frame, the column, the sieve plate, and the discharge pipe in the embodiments of this application;

[0018] Figure 3 This is a diagram showing the connection relationship between the rectangular frame plate, lead screw, sliding plate, and sealing cover in the embodiments of this application;

[0019] Figure 4 This is a three-dimensional structural diagram of the dust filter assembly in an embodiment of this application;

[0020] Figure 5 This is a partial structural schematic diagram of the dust filter assembly in an embodiment of this application;

[0021] Figure 6 This is a three-dimensional structural diagram of the cleaning component in an embodiment of this application.

[0022] In the diagram: 1. Support frame; 2. Carrying column; 3. Screen plate; 4. Discharge pipe; 5. First gear; 6. Second gear; 7. First motor; 8. First support plate; 9. Rectangular frame plate; 10. Lead screw; 11. Slide plate; 12. Second motor; 13. Sealing cover; 14. Reinforcing rod; 15. Second support plate; 16. Filter cylinder; 17. Feed pipe; 18. Corrugated pipe; 19. Discharge pipe; 20. Top plate; 21. Fan; 22. Air duct; 23. Carrying plate; 24. Dust collector filter bag; 25. Cage frame; 26. Third support plate; 27. High-pressure air tank; 28. Air supply pipe; 29. ​​Transfer pipe; 30. Pulse jet pipe; 31. Air pump; 32. Air replenishment pipe. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0024] Example: Reference Figure 1-6The illustrated environmentally friendly waste sorting device includes a support frame 1. Support columns 2 are inserted into both the front and rear sides of the support frame 1, and the connection between the support frame 1 and the support columns 2 is rotatably connected via bearings. A separation hopper is fixed between the two support columns 2. A screen plate 3 is fixedly installed inside the separation hopper, and a discharge pipe 4 is fixedly connected to the bottom of the separation hopper. A first gear 5 is fixedly sleeved on the outside of the front support column 2. A transmission rod is inserted into the front side of the support frame 1, and the connection between the support frame 1 and the transmission rod is rotatably connected via bearings. A second gear 6 is fixed at the rear end of the transmission rod. The first gear 5 and the second gear 6 mesh with each other. A first motor 7 is fixedly installed on the front side of the support frame 1, and the transmission rod is driven by the first motor 7. A first support plate 8 is fixed to the outside of the separation hopper. A rectangular frame plate 9 is fixed to the top of the first support plate 8. A lead screw 10 is rotatably connected between the upper and lower inner walls of the rectangular frame plate 9 via bearings. A sliding plate 11 is threaded onto the lead screw 10. The sliding plate 11 slides against the inner wall of the rectangular frame plate 9, and a sealing plate is fixed on the sliding plate 11. The sealing cover 13 is located directly above the separation hopper. The second motor 12 drives the lead screw 10 to rotate, so that the lead screw 10 pulls the slide plate 11 to move longitudinally in a lead screw transmission manner. The slide plate 11 drives the sealing cover 13 to move accordingly, so that the sealing cover 13 can cover the top of the separation hopper when the separation hopper rotates back and forth, so as to prevent the dust from overflowing during the sorting of construction waste. When the construction waste is loaded and unloaded after sorting, the sealing cover 13 moves up to maintain a suitable distance from the separation hopper, so as not to interfere with the loading and unloading of construction waste. A reinforcing rod 14 is fixed between the upper and lower inner walls of the rectangular frame plate 9. The slide plate 11 is slidably sleeved on the outside of the reinforcing rod 14. The reinforcing rod 14 plays an auxiliary support role and can share the force of the lead screw 10, so that it is not easy to deform. The second motor 12 is fixedly installed at the bottom of the first support plate 8. The lead screw 10 is driven by the second motor 12. A dust filter assembly is installed on the support frame 1. The dust filter assembly is connected to the discharge pipe 4 and is used to collect the dust separated in the separation hopper.

[0025] The first motor 7 drives the second gear 6 to rotate back and forth, which in turn drives the first gear 5 to rotate. The first gear 5, with the help of the support column 2, pulls the separation bucket to rotate, causing the construction waste put into the separation bucket to move back and forth above the screen plate 3 in the separation bucket. After the construction waste collides with the separation bucket, it vibrates and its angle changes back and forth, which separates the dust in the construction waste. With the assistance of the dust filter component, the dust falls below the screen plate 3. In this way, the separation of dust and other solids in the construction waste is more thorough, which facilitates the separate transportation of both and reduces the spillage of dust during the transportation of construction waste, protecting the breathing safety of workers. After the construction waste is separated from the dust, when the first motor 7 indirectly drives the separation bucket to rotate, the separation bucket and the screen plate 3 can be tilted. In this way, the construction waste in the separation bucket can slide out of the separation bucket by its own weight, making the discharge of construction waste more convenient and time-saving.

[0026] The dust filtration assembly includes a second support plate 15, which is fixedly mounted on the support frame 1. A filter cylinder 16 is fixedly mounted on the top of the second support plate 15. A feed pipe 17 is fixedly connected to the filter cylinder 16. A corrugated pipe 18 is fixedly connected between the feed pipe 17 and the discharge pipe 4. A discharge pipe 19 is fixedly connected to the bottom of the filter cylinder 16. A discharge valve is installed on the discharge pipe 19. A top plate 20 is fixedly mounted on the top of the filter cylinder 16. An exhaust assembly is installed on the top plate 20. The exhaust assembly is used to discharge the air inside the filter cylinder 16. A filter assembly is installed inside the filter cylinder 16. The filter assembly is used to trap dust inside the filter cylinder 16. A cleaning assembly is installed on the filter cylinder 16 and the top plate 20. The cleaning assembly is used to clean the filter assembly.

[0027] The exhaust assembly includes a fan 21, which is fixedly installed on the top of the top plate 20. The air inlet of the fan 21 is fixedly connected to the air duct 22, and the top plate 20 is fixedly sleeved on the outside of the air duct 22.

[0028] The filter assembly includes a carrier plate 23, which is fixedly installed inside the filter cartridge 16. The carrier plate 23 has multiple mounting holes, in which dust removal filter bags 24 are installed. A cage 25 is inserted into the inside of the dust removal filter bag 24.

[0029] The air above the carrier plate 23 inside the filter cylinder 16 is exhausted by the blower 21, so that the filter cylinder 16 introduces air along the feed pipe 17. The dust in the separation hopper will enter the filter cylinder 16 with the airflow. The dust filter bag 24 will trap the dust inside the filter cylinder 16. The discharge valve on the discharge pipe 19 is opened periodically to remove the dust temporarily stored inside the filter cylinder 16 for processing.

[0030] The cleaning assembly includes a third support plate 26, which is fixedly installed on the outside of the filter cartridge 16. A high-pressure air tank 27 is fixedly installed on the top of the third support plate 26. An air supply pipe 28 is fixedly connected to the high-pressure air tank 27. A transfer pipe 29 is fixedly connected to the other end of the air supply pipe 28. Multiple blow pipes 30 are fixedly connected to the transfer pipe 29. A top plate 20 is fixedly sleeved on the outside of the multiple blow pipes 30. An electromagnetic pulse valve is installed on the air supply pipe 28. An air pump 31 is fixedly installed on the bottom of the third support plate 26. An air supply pipe 32 is fixedly connected between the air outlet of the air pump 31 and the high-pressure air tank 27. A one-way valve is installed on the air supply pipe 32, which allows air to flow in only one direction in the air supply pipe 32.

[0031] Periodically opening the electromagnetic pulse valve allows high-pressure air from the high-pressure air tank 27 to be discharged along the blow pipe 30, cleaning the dust filter bag 24 and forcing the dust particles adhering to the dust filter bag 24 to peel off, making the dust filter bag 24 more usable. Activating the air pump 31 can inflate the high-pressure air tank 27, allowing it to be replenished with air after use for reuse.

[0032] Working principle of this utility model:

[0033] A forklift is used to scoop up construction waste and transfer it to the separation hopper. Screen plate 3 supports the construction waste. The second motor 12 drives the lead screw 10 to rotate, causing the lead screw 10 to drive the sliding plate 11 downwards via lead screw transmission. The sliding plate 11 pulls the sealing cover 13 downwards and onto the separation hopper. The first motor 7 drives the second gear 6 to rotate back and forth. The second gear 6 meshes with the first gear 5, thus driving the first gear 5 to rotate back and forth. The first gear 5, with the help of the support column 2, pulls the separation hopper back and forth, causing the waste to accumulate in the separation hopper. The construction waste on the sieve plate 3 moves back and forth and comes into contact with the separation hopper during the movement. The construction waste tilts as the separation hopper rotates, and the contact causes the construction waste to shake, causing the dust in the construction waste to fall below the sieve plate 3. After a period of time, the dust and other solids in the construction waste are separated. The first motor 7 indirectly drives the separation hopper to rotate, causing the sieve plate 3 to tilt. In this way, when the sealing cover 13 moves up, the construction waste in the separation hopper can slide out of the separation hopper by its own weight and then be collected and transported.

[0034] When the first motor 7 is running, the fan 21 is also activated. The fan 21 can exhaust the air inside the filter cartridge 16, which forces the air in the separation hopper to transfer to the filter cartridge 16. Dust enters the filter cartridge 16 along with the airflow. The air is exhausted by the fan 21, while the dust is blocked inside the filter cartridge 16 by the dust collector filter bag 24. When the dust collected inside the filter cartridge 16 reaches a certain amount, the sorting of construction waste can be paused, and the discharge valve on the discharge pipe 19 can be opened to allow the dust inside the filter cartridge 16 to be discharged and transferred for processing. When too much dust adheres to the surface of the dust collector filter bag 24 and the airflow is obstructed, the electromagnetic pulse valve can be opened to allow the high-pressure air in the high-pressure air tank 27 to be sprayed out along the blow pipe 30, acting on the dust collector filter bag 24 to peel off the dust adhering to its surface. Each time the high-pressure air tank 27 is used, the air pump 31 can be activated to refill it so that the high-pressure air tank 27 can be used again next time.

[0035] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. An environmentally friendly sorting device for construction waste, comprising a support frame (1), characterized in that: The support frame (1) has a column (2) inserted into both the front and rear sides, and the connection between the support frame (1) and the column (2) is rotatably connected by a bearing. A separation hopper is fixed between the two columns (2), and a screen plate (3) is fixedly installed inside the separation hopper. A discharge pipe (4) is fixedly connected to the bottom of the separation hopper. A first gear (5) is fixedly sleeved on the outside of the front column (2). A transmission rod is inserted into the front side of the support frame (1), and the connection between the support frame (1) and the transmission rod is rotatably connected by a bearing. A second gear (6) is fixed at the rear end of the transmission rod. The first gear (5) and the second gear (6) mesh with each other. A first motor (7) is fixedly installed on the front side of the support frame (1). The transmission rod is driven by the first motor (7). A first support plate (8) is fixed to the outside of the separation hopper. A rectangular frame plate (9) is fixed to the top of the first support plate (8). A lead screw (10) is rotatably connected between the upper and lower inner walls of the rectangular frame plate (9) through a bearing. A sliding plate (11) is threaded onto the lead screw (10). The sliding plate (11) slides against the inner wall of the rectangular frame plate (9). A sealing cover (13) is fixed on the sliding plate (11). The sealing cover (13) is located directly above the separation hopper. A second motor (12) is fixedly installed at the bottom of the first support plate (8). The lead screw (10) is driven by the second motor (12). A dust filter assembly is installed on the support frame (1). The dust filter assembly is connected to the discharge pipe (4) and is used to collect the dust separated in the separation hopper.

2. The environmentally friendly sorting device for construction waste according to claim 1, characterized in that: A reinforcing rod (14) is fixed between the upper and lower inner walls of the rectangular frame plate (9), and the sliding plate (11) is slidably sleeved on the outside of the reinforcing rod (14).

3. The environmentally friendly sorting device for construction waste according to claim 1, characterized in that: The dust filter assembly includes a second tray (15), which is fixedly mounted on a support frame (1). A filter cylinder (16) is fixedly mounted on the top of the second tray (15). A feed pipe (17) is fixedly connected to the filter cylinder (16). A corrugated pipe (18) is fixedly connected between the feed pipe (17) and the discharge pipe (4). A discharge pipe (19) is fixedly connected to the bottom of the filter cylinder (16). A discharge valve is installed on the discharge pipe (19). A top plate (20) is fixedly mounted on the top of the filter cylinder (16). An exhaust assembly is installed on the top plate (20). The exhaust assembly is used to discharge the air inside the filter cylinder (16). A filter assembly is installed inside the filter cylinder (16). The filter assembly is used to trap dust inside the filter cylinder (16). A cleaning assembly is installed on the filter cylinder (16) and the top plate (20). The cleaning assembly is used to clean the filter assembly.

4. The environmentally friendly sorting device for construction waste according to claim 3, characterized in that: The exhaust assembly includes a fan (21), which is fixedly installed on the top of the top plate (20). The air inlet of the fan (21) is fixedly connected to an air duct (22), and the top plate (20) is fixedly sleeved on the outside of the air duct (22).

5. The environmentally friendly sorting device for construction waste according to claim 3, characterized in that: The filter assembly includes a carrier plate (23), which is fixedly installed inside the filter cylinder (16). The carrier plate (23) has several mounting holes, in which dust removal filter bags (24) are installed. A cage (25) is inserted into the inside of the dust removal filter bag (24).

6. The environmentally friendly sorting device for construction waste according to claim 3, characterized in that: The cleaning assembly includes a third tray (26), which is fixedly installed on the outside of the filter cartridge (16). A high-pressure gas tank (27) is fixedly installed on the top of the third tray (26). An air supply pipe (28) is fixedly connected to the high-pressure gas tank (27). A transfer pipe (29) is fixedly connected to the other end of the air supply pipe (28). A plurality of blow pipes (30) are fixedly connected to the transfer pipe (29). The top plate (20) is fixedly sleeved on the outside of the plurality of blow pipes (30). An electromagnetic pulse valve is installed on the air supply pipe (28).

7. The environmentally friendly sorting device for construction waste according to claim 6, characterized in that: An air pump (31) is fixedly installed at the bottom of the third tray (26). An air supply pipe (32) is fixedly connected between the air outlet of the air pump (31) and the high-pressure air tank (27). A one-way valve is installed on the air supply pipe (32).