Building waste discharging device in building construction and using method

Abstract

The invention relates to the technical field of construction waste treatment, and discloses a construction waste discharging device in building construction and a using method, and the construction waste discharging device comprises a conveying mechanism, a screening mechanism, a sorting mechanism and a spraying dust suppression mechanism. Wherein the screening mechanism comprises a screening roller driven by a driving motor, and multiple screening holes with the hole diameters sequentially increased from the feeding end to the discharging end are formed in the surface of the screening roller; the sorting mechanism comprises a visual sensor used for collecting image information and a multi-degree-of-freedom mechanical arm used for grabbing materials. During working, construction waste is conveyed into the screening roller through the conveying mechanism to be automatically separated according to the size, meanwhile, the spraying dust suppression mechanism suppresses flying dust in the process, large materials obtained after screening are recognized through a visual sensor, and a mechanical arm is guided to conduct accurate grabbing. Through cooperative work of all the mechanisms, automation, intelligence and greenization of garbage treatment are achieved, the treatment efficiency is high, sorting is accurate, and the resource recovery rate is effectively increased.

Description

A construction waste disposal device and its usage method in building construction Technical Field

[0001] This invention relates to the field of construction waste treatment technology, specifically to a construction waste discharge device and its usage method during construction. Background Technology

[0002] The rapid development of the construction industry has generated a large amount of construction waste. This waste has a complex composition, and direct landfilling not only occupies a large amount of land resources but also has long-term negative impacts on the environment. Therefore, the classification, recycling, and reuse of construction waste has become a key link in achieving sustainable development and a circular economy in the construction industry.

[0003] Currently, construction waste processing typically employs a combination of manual sorting and simple mechanical screening. However, existing technologies have significant shortcomings in terms of processing efficiency, sorting accuracy, and environmental protection. On the one hand, the processing of construction waste heavily relies on manual labor, resulting in high labor intensity, low processing efficiency, and fluctuating sorting quality due to human factors, making it difficult to guarantee the purity of recycled materials. On the other hand, existing mechanical equipment is mostly single-function crushers or vibrating screens, capable of only achieving coarse separation based on size, and unable to effectively distinguish between mixtures of similar-sized but different materials (such as wood blocks, plastics, and concrete blocks), which greatly limits the economic value of waste resource recovery.

[0004] Furthermore, during the crushing, conveying, and screening process, construction waste generates a large amount of dust due to the tumbling and falling of materials, causing serious air pollution at the work site and in the surrounding environment, and endangering the health of on-site workers. Existing technologies often lack a systematic and integrated dust suppression design, typically employing temporary manual spraying, which is ineffective in suppressing dust and fails to cover all dust-generating points, thus failing to fundamentally solve the problem of dust dispersion. Therefore, developing an integrated, automated, and intelligent construction waste processing device to overcome the shortcomings of existing technologies, such as low efficiency, insufficient sorting accuracy, and severe environmental pollution, has significant practical significance and application value. Summary of the Invention

[0005] To address the shortcomings of existing technologies, this invention provides a construction waste disposal device and its usage method for building construction, which solves the problems of low efficiency, insufficient sorting accuracy, and serious environmental pollution in existing technologies.

[0006] To achieve the above objectives, the present invention provides the following technical solution: a construction waste discharge device and method for use in building construction, comprising: a conveying mechanism including a support frame; a screening mechanism including a housing; a sorting mechanism including a base and a sensor bracket; and a dust suppression spraying mechanism including a water tank.

[0007] Preferably, a mounting frame is fixedly connected to the top of the support frame, a movable frame is fixedly connected to the bottom of the mounting frame, a conveyor belt is provided inside the mounting frame, a feeding hopper is fixedly connected to the top of the mounting frame, and a discharging hopper is fixedly connected to the side of the mounting frame away from the feeding hopper.

[0008] Preferably, a feed hopper is fixedly connected to the top of the housing, a drive motor is fixedly connected to the outside of the housing, a reducer is provided at the output end of the drive motor, and a screening roller is fixedly connected to the output end of the reducer.

[0009] Preferably, the screening roller has several screening holes on its outside, the bottom of the casing is fixedly connected to a discharge hopper, and the bottom of the discharge hopper is provided with a collection box.

[0010] Preferably, the screen holes are set to three different sizes from left to right: small, medium, and large.

[0011] Preferably, the bottom of the base is fixedly connected to the top of the housing, a support arm is rotatably connected to the top of the base, a second support arm is rotatably connected to the top of the first support arm, a third support arm is rotatably connected to the top of the second support arm, a rotary motor is rotatably connected to the top of the third support arm, and a robotic arm is fixedly connected to the output end of the rotary motor.

[0012] Preferably, a cylinder is provided between the first and second support arms, a cylinder is provided between the second and third support arms, a cylinder is provided between the third support arm and the rotary motor, and a signal receiver is provided inside the rotary motor.

[0013] Preferably, the base is fixedly connected to the outside of the housing, and three visual sensors are fixedly connected to the bottom of the sensor bracket, with a signal transmitter installed inside each visual sensor.

[0014] Preferably, the bottom of the water tank is fixedly connected to the top of the casing, a delivery pump is fixedly connected to the outside of the water tank, a connecting pipe is fixedly connected to the output end of the delivery pump, and several spray pipes are fixedly connected to the outside of the connecting pipe.

[0015] A method for using a construction waste disposal device in building construction includes the following steps: Step 1: Pre-operation preparation and inspection Before starting the equipment, the operator must conduct a comprehensive inspection to ensure that the equipment is in a safe and ready state. Site and placement inspection: Place the equipment on a solid and flat ground, ensuring that the four corners of the support frame and the mobile frame are stable and without shaking. Ensure that there is sufficient operating space around the equipment for easy loading, monitoring, and emptying of the collection box. Check and clear any obstacles around the equipment to ensure the safety of personnel and construction vehicles. Energy and medium inspection: Connect the main power supply and check whether the cable is intact and whether the joints are secure. Confirm that the power supply voltage matches the equipment's rated voltage. Fill the water tank of the dust suppression spray mechanism with sufficient clean water, check the water level to ensure adequate water supply throughout one operation cycle, and check all water pipe connections for leaks. Check the air source providing power to cylinders one, two, and three to ensure the air pressure reaches the preset working range and that the air pipe connections are tight and leak-free. Mechanical structure inspection: Check if the conveyor belt tension is appropriate, and whether there is any damage or large hard objects attached to the surface. Manually rotate it slightly to confirm that it runs smoothly without jamming. Open the inspection port of the machine casing and check the inside of the screening roller for any residual waste from the previous operation or debris clogging the screening holes. If any is found, clean it thoroughly. Check if the claws of the robotic arm are intact and if the screws at the connection points of the robotic arm are tight. Confirm that all the collection boxes are placed in the correct position below the discharge hopper and are empty. Control system check: Check if the lens of the visualization sensor is clean and free of dust or mud to avoid affecting recognition accuracy. Enter the system control interface and check if the sorting program has been set. Based on the composition of the waste to be processed, select or configure the target items to be sorted, execute a "return to origin" or "self-check" program, and observe whether the robotic arm can smoothly complete a set of return actions.

[0016] Step 2: Start-up and Operation Process After completing all preparations, start and operate the equipment in the following order: 1. Start the equipment: Start the sorting mechanism and the screening mechanism. The drive motor drives the dividing roller to start rotating through the reducer. Start the dust suppression spraying mechanism. The conveying pump starts working. The spray pipe sprays water mist to pre-wet the subsequent feeding area. Start the conveying mechanism. The conveyor belt starts running. 2. Feeding operation: Use a loader, excavator or manual labor to evenly pour the construction waste into the feeding hopper. Feeding should be continuous and uniform. Avoid dumping too much material at once, which may cause the conveyor belt to overload or become blocked. Large pieces of waste exceeding the diameter of the feeding hopper or the screening roller are strictly prohibited from being fed into the system. 3. Automated processing: Waste falls from the feeding hopper onto the conveyor belt. During its transport to the unloading hopper, it is initially sprayed with water by the spray pipe to suppress dust. The waste enters the rotating screening roller through the unloading hopper and the feeding hopper. Small particles fall through the small screen holes at the front, medium-sized particles fall through the medium screen holes in the middle, and larger particles fall through the large screen holes at the rear. Waste falling into the collection box will pass through the scanning area of ​​the visual sensor. The sensor identifies the preset target waste, and the signal transmitter sends the type and location information of the material to the control system of the robot. The control system drives the robot arm and the rotary motor to move the robot arm quickly and accurately above the target material and grab it. After grabbing it, the robot arm moves it and places it into the corresponding collection box and releases it.

[0017] This invention provides a construction waste disposal device and its usage method in building construction. It has the following beneficial effects: 1. By setting up a cooperating conveying mechanism and a screening mechanism, this invention achieves full automation of the construction waste process from feeding and conveying to initial screening. The drive motor in the screening mechanism drives the screening roller to rotate continuously, and the waste is automatically separated according to size using the screen holes arranged from small to large on its surface, forming a continuous assembly line operation. This significantly reduces manual intervention and greatly improves processing efficiency compared to traditional manual sorting or intermittent operation of a single device.

[0018] 2. This invention integrates a sensor bracket and a visual sensor into the sorting mechanism. The visual sensor actively identifies the size of the sieved material and guides a robotic arm controlled by multiple support arms and cylinders to precisely grasp it. This intelligent identification and grasping method can accurately separate construction waste of different sizes, achieving refined waste classification and greatly improving the value of subsequent resource utilization.

[0019] 3. This invention, by setting up a dust suppression spraying mechanism, uses the linkage of water tank, conveying pump and spray pipe to spray humidify at key stages of garbage conveying and screening and tumbling. This can effectively suppress the generation and spread of dust from the source, not only protecting the surrounding air environment, but also improving the working conditions of on-site operators, which meets the requirements of modern construction for green and environmental protection. Attached Figure Description

[0020] Figure 1 is a perspective view of the present invention; Figure 2 is a schematic diagram of the conveying mechanism of the present invention; Figure 3 is a schematic diagram of the screening mechanism of the present invention; Figure 4 is a schematic diagram of the screening roller of the present invention; Figure 5 is a schematic diagram of the sorting mechanism of the present invention; Figure 6 is a schematic diagram of the sensor bracket of the present invention; Figure 7 is a schematic diagram of the spray dust suppression mechanism of the present invention; Figure 8 is a flowchart illustrating the method of using a construction waste discharge device in construction according to the present invention.

[0021] The components include: 1. Conveying mechanism; 101. Support frame; 102. Mounting frame; 103. Moving frame; 104. Conveyor belt; 105. Feeding hopper; 106. Discharging hopper; 2. Screening mechanism; 201. Machine casing; 202. Feeding hopper; 203. Drive motor; 204. Reducer; 205. Screening roller; 206. Screening hole; 207. Discharge hopper; 208. Collection box; 3. Sorting mechanism; 301. Base; 302. First-section support arm; 303. Cylinder 1; 304. Second-section support arm; 305. Cylinder 2; 306. Third-section support arm; 307. Cylinder 3; 308. Rotary motor; 309. Robotic arm; 310. Sensor bracket; 311. Visual sensor; 4. Spray dust suppression mechanism; 401. Water tank; 402. Conveying pump; 403. Connecting pipe; 404. Spray pipe. Detailed Implementation

[0022] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0023] Example:

[0024] Referring to Figure 1, an embodiment of the present invention provides a construction waste discharge device for building construction, which is used to realize the automated treatment of construction waste. Its working method may include the following steps: conveying and dust suppression treatment step, in which the input construction waste is conveyed and sprayed to suppress dust during the conveying process.

[0025] The size screening process involves rotating and tumbling the conveyed construction waste and separating it according to its size.

[0026] The visual recognition and sorting process involves collecting and recognizing image information of specific materials after screening, and performing grasping and classification operations based on the recognition results.

[0027] In one specific embodiment of the present invention, the overall structure of the construction waste disposal device during building construction integrates four major functional mechanisms to collaboratively perform the above-mentioned steps. The device includes: a conveying mechanism 1, a screening mechanism 2, a sorting mechanism 3, and a dust suppression spraying mechanism 4.

[0028] In terms of overall layout, the conveying mechanism 1 is located at the feed end of the device, and its function is to receive and transport the initial mixed construction waste. The screening mechanism 2 is connected to the discharge end of the conveying mechanism 1 and is used to receive the waste from the conveying mechanism 1 and perform the size screening process.

[0029] The sorting mechanism 3 is installed above the screening mechanism 2, and its working range covers the discharge path of the screening mechanism 2 to perform visual recognition and sorting processing steps.

[0030] The components of the spray dust suppression mechanism 4 are arranged on the upper part of the conveying mechanism 1 and the screening mechanism 2 and in the material transfer area, so as to perform the dust suppression function in the conveying and dust suppression process during the material movement.

[0031] Specifically, the conveying mechanism 1 is stably set up by its own support frame 101, and the housing 201 of the screening mechanism 2 not only houses the screening components inside, but its external structure also provides an installation base for the base 301 of the sorting mechanism 3 and the water tank 401 of the spray dust suppression mechanism 4.

[0032] Referring to Figure 2, the construction waste is received by the feeding hopper 105 and falls onto the conveyor belt 104. The conveyor belt 104 is started to smoothly transport the construction waste to the unloading hopper 106 for transfer to the next processing stage. The conveying mechanism 1 uses a support frame 101 as its basic structure. A mounting frame 102 is fixedly connected to the top of the support frame 101, and a movable frame 103 is fixedly connected to the bottom of the mounting frame 102 for moving and deploying the device. The inside of the mounting frame 102 is equipped with a conveyor belt 104 as the core of the conveying. At the top of the feeding end of the mounting frame 102, a feeding hopper 105 for collecting and guiding materials is fixedly connected. At the discharge end of the mounting frame 102 away from the feeding hopper 105, a unloading hopper 106 for discharging materials is fixedly connected.

[0033] Referring to Figures 3 and 4, the screening mechanism 2 receives construction waste transferred from the hopper 106 and guides it into the screening roller 205. The screening roller 205 is driven to rotate, so that the waste inside is separated according to size differences through the screening holes 206 of different specifications during the tumbling process. The undersize material is then classified and collected through the discharge hopper 207 and the collection box 208. Specifically, the main body of the screening mechanism 2 is a housing 201, with a feed hopper 202 fixedly connected to its top. A drive motor 203 is fixedly connected to the outside of the housing 201. A reducer 204 is provided at the output end of the drive motor 203 to provide stable and high torque power. A screening roller 205 is fixedly connected to the output end of the reducer 204, thereby driving it to rotate. Several screening holes 206 are opened on the outside of the screening roller 205. These screening holes 206 are set along the axial direction of the screening roller 205 from the feed end to the discharge end, and their hole diameters are set to three different specifications: small, medium, and large. A discharge hopper 207 is fixedly connected to the bottom of the housing 201. A movable collection box 208 is provided at the bottom of the discharge hopper 207 for receiving and classifying and storing the screened material.

[0034] Referring to Figures 5 and 6, the sorting mechanism 3 collects image information of the material flowing below it through a visual sensor 311, processes the image information to identify the preset target material, and generates a control signal containing the target material's position information. This signal drives the multi-degree-of-freedom robotic arm to precisely position itself above the target material, controlling the robotic arm 309 to perform a grasping action and transfer the material to a designated recycling area. The base 301 of the sorting mechanism 3 is fixedly connected to the top or outside of the housing 201 of the screening mechanism 2. A support arm 302 is rotatably connected to the top of the base 301, a second support arm 304 is rotatably connected to the top of the first support arm 302, and a third support arm 306 is rotatably connected to the top of the second support arm 304, forming the main body of a multi-joint robotic arm. To achieve the driving of each joint, a support arm 306 is rotatably connected to the top of the first support arm 302. A cylinder 303 is installed between the second and third sections of the support arm 304. A cylinder 305 is installed between the second and third sections of the support arm 304 and the third section of the support arm 306. A rotary motor 308 is rotatably connected to the top of the third section of the support arm 306. A cylinder 307 is installed between the third section of the support arm 306 and the rotary motor 308. A gripping robot 309 is fixedly connected to the output end of the rotary motor 308. A signal receiver is installed inside the robot 309 to receive instructions from the sensors. The visual recognition part consists of a sensor bracket 310 and a visualization sensor 311. Three visualization sensors 311 are fixedly connected to the bottom of the sensor bracket 310. A signal transmitter is installed inside the visualization sensor 311 to send recognition and positioning signals to the control system of the robot arm.

[0035] Referring to Figure 7, the spray dust suppression mechanism 4 pressurizes the water in the water tank 401 and delivers it to the pipeline by starting the conveying pump 402. The water is then atomized and sprayed out through the spray pipes 404 to cover the area where materials move and fall, generating dust. The water tank 401 of the spray dust suppression mechanism 4 is fixedly connected to the top of the housing 201. The conveying pump 402 is fixedly connected to the outside of the water tank 401. The output end of the conveying pump 402 is fixedly connected to the connecting pipe 403. Several spray pipes 404 are fixedly connected to the outside of the connecting pipe 403. These spray pipes 404 are arranged above the material transfer path from the conveying mechanism 1 to the screening mechanism 2, and at the feed inlet of the screening mechanism 2, to ensure effective coverage of key dust-generating points.

[0036] Working Principle: This invention is an automated construction waste processing device used in construction. Its core working principle integrates four major functions: conveying, dust suppression spraying, size screening, and intelligent sorting, to achieve efficient, environmentally friendly, and automated classification and processing of construction waste. Its workflow can be broken down into the following steps: Feeding and Conveying: First, the construction waste is loaded onto the conveyor belt 104 of the conveying mechanism 1 through the feeding hopper 105. The conveyor belt smoothly transports the waste to the subsequent screening mechanism.

[0037] Dust suppression by spraying: During the garbage transportation and treatment process, in order to prevent dust from flying and causing environmental pollution, the dust suppression by spraying mechanism 4 will be activated. Water in water tank 401 is drawn out by delivery pump 402 and forms water mist through connecting pipe 403 and spray pipe 404 to spray the falling and rolling garbage, effectively suppressing the generation of dust.

[0038] Feeding and rotation: The conveyed waste enters the feed hopper 202 of the screening mechanism 2 and then falls into the screening roller 205. The drive motor 203 drives the screening roller 205 to rotate continuously through the reducer 204.

[0039] Size separation: The surface of the screening roller 205 has three different sizes of screening holes 206, namely small, medium and large, from the inlet to the outlet. As the screening roller rotates, the internal waste is constantly tumbling: the smallest materials, such as sand and small stones, fall through the small screening hole 206 at the front first.

[0040] Medium-sized materials will continue to tumble forward and fall through the medium-sized screen holes in the middle section.

[0041] Larger materials fall through the larger screen holes at the rear.

[0042] Collection: The screened material falls into the discharge hopper 207 below the screening roller and is eventually collected in the corresponding collection box 208, thus realizing the initial classification of waste by size. Visual recognition: For the material flow that is usually large in size and mixed in type after being processed by the screening mechanism, further material sorting is required. The three visual sensors 311 installed on the sensor bracket 310 will scan the material and perform image recognition to determine the size and specifications of the waste.

[0043] Signal transmission: When the visual sensor 311 identifies the preset target material, its internal signal transmitter will send out a command signal.

[0044] Robotic arm positioning and gripping: After receiving the signal, the control system will drive cylinder 1 303, cylinder 2 305 and cylinder 307 to adjust the angle and position of the first support arm 302, the second support arm 304 and the third support arm 306. At the same time, the rotary motor 308 will adjust the posture of the robotic arm 309, thereby accurately positioning the robotic arm 309 above the target material.

[0045] Sorting and Placement: After the robotic arm 309 grasps the target material, it moves it to the designated collection box 208, completing one sorting operation. This process is repeated continuously, achieving automated separation of waste of different materials.

[0046] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A construction waste disposal device and its usage method during building construction, characterized in that, It includes a conveying mechanism (1), which includes a support frame (101); a screening mechanism (2), which includes a housing (201); a sorting mechanism (3), which includes a base (301) and a sensor bracket (310); and a dust suppression spraying mechanism (4), which includes a water tank (401).

2. The construction waste disposal device and its usage method in building construction according to claim 1, characterized in that, The top of the support frame (101) is fixedly connected to the mounting frame (102), the bottom of the mounting frame (102) is fixedly connected to the movable frame (103), the inside of the mounting frame (102) is provided with a conveyor belt (104), the top of the mounting frame (102) is fixedly connected to the feeding hopper (105), and the side of the mounting frame (102) away from the feeding hopper (105) is fixedly connected to the unloading hopper (106).

3. The construction waste disposal device and its usage method in building construction according to claim 1, characterized in that, The top of the housing (201) is fixedly connected to a feed hopper (202), and the outside of the housing (201) is fixedly connected to a drive motor (203). The output end of the drive motor (203) is provided with a reducer (204), and the output end of the reducer (204) is fixedly connected to a screening roller (205).

4. The construction waste disposal device and its usage method in building construction according to claim 3, characterized in that, The screening roller (205) has several screening holes (206) on its outside. The bottom of the housing (201) is fixedly connected to a discharge hopper (207), and a collection box (208) is provided at the bottom of the discharge hopper (207).

5. The construction waste disposal device and its usage method in building construction according to claim 4, characterized in that, The screen holes (206) are set to three different sizes from left to right: small, medium, and large.

6. The construction waste disposal device and its usage method according to claim 1, characterized in that, The bottom of the base (301) is fixedly connected to the top of the housing (201). A support arm (302) is rotatably connected to the top of the base (301). A second support arm (304) is rotatably connected to the top of the first support arm (302). A third support arm (306) is rotatably connected to the top of the second support arm (304). A rotary motor (308) is rotatably connected to the top of the third support arm (306). A robot arm (309) is fixedly connected to the output end of the rotary motor (308).

7. A construction waste disposal device and its usage method according to claim 6, characterized in that, A cylinder 1 (303) is provided between the first support arm (302) and the second support arm (304), a cylinder 2 (305) is provided between the second support arm (304) and the third support arm (306), a cylinder 3 (307) is provided between the third support arm (306) and the rotary motor (308), and a signal receiver is provided inside the rotary motor (308).

8. A construction waste disposal device and its usage method according to claim 1, characterized in that, The base (301) is fixedly connected to the outside of the housing (201), and three visual sensors (311) are fixedly connected to the bottom of the sensor bracket (310). A signal transmitter is provided inside the visual sensor (311).

9. A construction waste disposal device and its usage method according to claim 1, characterized in that, The bottom of the water tank (401) is fixedly connected to the top of the housing (201). A delivery pump (402) is fixedly connected to the outside of the water tank (401). A connecting pipe (403) is fixedly connected to the output end of the delivery pump (402). Several spray pipes (404) are fixedly connected to the outside of the connecting pipe (403).

10. A method of using a construction waste discharge device in building construction, based on the construction waste discharge device in building construction as described in any one of claims 1-9, characterized in that, Includes the following steps: Step 1: Pre-operation preparation and inspection Before starting the equipment, the operator must conduct a comprehensive inspection to ensure that the equipment is in a safe standby state. Site and placement inspection: Place the equipment on a solid and flat ground, ensuring that the four corners of the support frame (101) and the mobile frame (103) are stable and without shaking. Ensure that there is enough operating space around the equipment for easy loading, monitoring, and emptying of the collection box (208). Check and clear obstacles around the equipment to ensure the safety of personnel and engineering vehicles. Energy and medium inspection: Connect the main power supply and check whether the cable is intact and whether the joint is firm. Confirm that the power supply voltage matches the rated voltage of the equipment (the drive motor 203 and the delivery pump 402), inject sufficient clean water into the water tank (401) of the spray dust suppression mechanism (4), check the water level to ensure sufficient water volume within one operation cycle, check that there are no leaks at the connection of the water pipes, check the air source that provides power to the cylinder one (303), the cylinder two (305), and the cylinder three (307), and ensure that the air pressure reaches the preset working range and that the air pipe connection is tight and leak-free; mechanical structure inspection: check whether the tension of the conveyor belt (104) is appropriate, whether there is any damage or large hard objects attached to the surface, and manually rotate it slightly to confirm its If there is no jamming during operation, open the inspection port of the housing (201) and check whether there is any garbage left over from the last operation or debris blocking the screen hole (206) inside the screening roller (205). If so, clean it. Check whether the claw of the robot (309) is intact and whether the screws at the connection of the robot arm are tight. Confirm that all the collection boxes (208) are placed in the correct position under the discharge hopper (207) and ensure that they are empty. Control system check: Check whether the lens of the visualization sensor (311) is clean and free from dust and mud to avoid affecting the recognition accuracy. Enter the system control interface and check whether the sorting program has been set. According to the composition of the waste to be processed, select or configure the target items to be sorted, execute a "return to origin" or "self-check" procedure, and observe whether the robotic arm (309) can smoothly complete a set of return actions; Second step: Start-up and operation process After completing all the preparation work, start and operate the equipment in the following order:

1. Start the equipment: Start the sorting mechanism (3) and the screening mechanism (2), the drive motor (203) drives the dividing roller (205) to start rotating through the reducer (204), start the spray dust suppression mechanism (4), the conveying pump (402) starts working, the spray pipe (404) sprays water mist to pre-wet the subsequent feeding area, start the conveying mechanism (1), and the conveyor belt (104) starts running; 2. Feeding operation: Use a loader, excavator or manual method to evenly pour the construction waste into the feeding hopper (105). The feeding should be continuous and uniform to avoid dumping too much material at one time, causing the conveyor belt (104) to be overloaded or blocked. It is strictly forbidden to put in large pieces of garbage whose size far exceeds the diameter of the feeding hopper or the diameter of the screening roller (205); 3. Automated processing: Garbage falls from the feeding hopper (105) onto the conveyor belt (104). During the process of being transported to the unloading hopper (106), the spray pipe (404) sprays it to suppress dust. The garbage enters the rotating screening roller (205) through the unloading hopper (106) and the feeding hopper (202). Small particles fall through the small screen holes (206) at the front, and medium-sized particles fall through the medium screen holes (206) in the middle section. Larger materials fall through the large screen holes (206) at the rear end. The waste that falls into the collection box (208) will pass through the scanning area of ​​the visualization sensor (311). The sensor (311) identifies the preset target waste, and the signal transmitter sends the material type and location information to the control system of the robot. The control system drives the robot arm and the rotary motor (308) to make the robot (309) move quickly and accurately above the target material and grab it. After the robot grabs it, it will move it and place it into the corresponding collection box (208) and release it.

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