Decontamination interception device and decontamination method

Abstract

The present application belongs to sewage treatment technical field, specifically disclose a sewage unloading interception device and sewage unloading method, including: sewage unloading tank, with sewage pipe communication;Screening part, set up in the inside of sewage unloading tank, to the sewage that sewage pipe flows out and is filtered through sewage unloading tank;Driving part, with screening part is connected, driving part penetrates sewage unloading tank, to drive screening part moves and swings in sewage unloading tank;With the following advantages: have the characteristics of not easy to block vacuum sewage host rotor pump, and can effectively block the solid impurities such as cotton fabric, metal screw, coin and so on that are mixed in operation and are difficult to pass through vacuum rotor pump.

Description

Technical Field

[0001] This invention relates to the field of wastewater treatment technology, and more specifically, to a wastewater interception device and a wastewater discharge method. Background Technology

[0002] Existing railway vacuum sewage discharge systems utilize a rotary pump vacuum negative pressure structure for sewage suction and discharge. Sewage is directly collected through pipelines and passed through the vacuum sewage discharge unit. This sewage may contain sharp or soft solid impurities that are difficult to pass through the vacuum rotary pump, such as cotton fabrics, metal screws, and coins. This can easily cause blockages, entanglement, and abnormal wear, significantly impacting the service life of the main unit.

[0003] Therefore, a wastewater interception device is proposed to solve the aforementioned problems. Summary of the Invention

[0004] The present invention aims to provide a contamination interception device to solve or improve at least one of the above-mentioned technical problems.

[0005] In view of this, a first aspect of the present invention is to provide a waste interception device.

[0006] A second aspect of the present invention is to provide a method for unloading contaminants.

[0007] A first aspect of the present invention provides a wastewater interception device, comprising: a wastewater discharge tank connected to a sewage discharge pipe; a screening section disposed inside the wastewater discharge tank for filtering sewage flowing out of the sewage discharge pipe and passing through the wastewater discharge tank; and a drive section connected to the screening section, the drive section passing through the wastewater discharge tank for driving the screening section to move and swing within the wastewater discharge tank.

[0008] The wastewater interception device provided by this invention is characterized by its resistance to clogging of the vacuum wastewater discharge main rotor pump, and can effectively block sharp or soft solid impurities such as cotton fabrics, metal screws, and coins that are difficult to pass through the vacuum rotor pump during operation. It also has the advantage of effectively intercepting metal screws and other solid objects larger than 6mm. Furthermore, it does not affect the pressure within the pipeline or the flow of the liquid during equipment operation.

[0009] This equipment operates entirely within a sealed space, ensuring excellent sealing and environmental friendliness. It is also equipped with a mobile network terminal for real-time control. When used with a converged handheld terminal, it can immediately notify users of equipment status, perform control checks, remotely control operation, and monitor the overall operational status of the equipment in real time.

[0010] This equipment features automatic cleaning, centralized collection, automatic packaging, and is safe and reliable. It greatly reduces personnel operating costs and effectively extends the service life of the equipment.

[0011] In any of the above technical solutions, the sludge unloading box is provided with a first cavity and a second cavity that are interconnected, and the first cavity is provided with a drain outlet; the screening part is located inside either the first cavity or the second cavity; wherein, the first cavity is located between the second cavity and the inner cavity of the sludge discharge pipe.

[0012] In this technical solution, by setting up two cavities, a first cavity and a second cavity, inside the wastewater discharge box, the screening section can operate separately in the two cavities. The wastewater is continuously filtered in the first cavity. When too much waste accumulates inside the screening section, it can be transferred to the second cavity for wastewater discharge in a timely manner. After discharge, it can return to the first cavity for continuous wastewater filtration. The whole process does not require human presence and has a high degree of autonomous operation capability.

[0013] In any of the above technical solutions, the screening section includes a filter screen, and the waste discharge box is provided with a first nozzle connected to the first cavity and a second nozzle connected to the second cavity; the opening directions of the first nozzle and the second nozzle are arranged opposite to each other.

[0014] In this technical solution, the screening section adopts a filter screen. One side of the filter screen is a one-way opening, and the other five sides are a mesh porous structure, so that sewage flows in from the opening of the filter screen and flows out from the porous structure of the other sides, and the dirt in the sewage is intercepted inside the filter screen. Both the first and second connectors are equipped with solenoid valves that can be opened and closed. The first connector is connected to an external sewage pipe to introduce sewage into the sludge discharge box. The second connector corresponds to the inlet of an external sludge collection box to collect the dropped sludge. The openings of the first and second inlets are set opposite to each other, so that dirt falls in from one direction and out from the other opposite direction, so that dirt can be stored and removed inside the filter screen.

[0015] In any of the above technical solutions, when the filter screen is located in the first cavity, the opening of the filter screen corresponds to the first inlet; when the filter screen is located in the second cavity, the opening of the filter screen corresponds to the second inlet.

[0016] In this technical solution, in the first cavity, the opening of the filter screen corresponds to the first inlet so that the filter screen can directly contact the sewage flowing in from the first inlet. Specifically, the first inlet is opened vertically. In the second cavity, the opening of the filter screen corresponds to the second inlet so that the filter screen can directly discharge the accumulated and intercepted dirt downwards. Specifically, the first inlet is opened vertically.

[0017] In any of the above technical solutions, the wastewater interception device further includes: a positioning part disposed outside the wastewater unloading box; wherein the positioning part corresponds to the connection between the first cavity and the second cavity.

[0018] In this technical solution, by setting the positioning part outside the wastewater discharge box, damage to the overall sealed structure of the wastewater discharge box can be minimized. Furthermore, by positioning the positioning part at the connection between the first cavity and the second cavity, it is easier to position the filter screen that moves between the first cavity and the second cavity, thus preventing wastewater from flowing into the second cavity during filtration and separation and further flowing out to the outside through the second inlet, causing environmental pollution.

[0019] Specifically, the connection between the first cavity and the second cavity has a longitudinal wall, and the bottom of the inner wall of the first cavity is lower than the lowest point of the connection.

[0020] In any of the above technical solutions, the screening section further includes a sealing plate connected to the filter screen, and the positioning section includes a positioning component and a locking member; the locking member penetrates the outer wall of the waste discharge box and extends into the second cavity, and the positioning component is used to drive the locking member to extend into or move out of the second cavity; wherein, when the filter screen is located in the first cavity, the sealing plate is located at the communication point and blocks the first cavity, and the locking member is located in the second cavity and abuts against the sealing plate.

[0021] In this technical solution, the sealing plate can increase the lateral area of ​​the filter screen, which is beneficial for sealing the first cavity inside the first cavity so as to isolate the connection between it and the second cavity. The locking mechanism is designed to move under the influence of the positioning component, penetrating the outer wall of the waste discharge box and extending into the second cavity. It exerts a force on the filter screen in the first cavity that is not in the first cavity but on the sealing plate support, with the force directed from the second cavity to the first cavity, so that the locking mechanism abuts against the sealing plate, thereby causing the sealing plate to abut against the connection between the first cavity and the second cavity.

[0022] In any of the above technical solutions, the waste discharge box has a through hole at one end near the drive unit, and an extension sleeve for sealing the through hole is provided inside the waste discharge box; the two ends of the extension sleeve are respectively connected to the inner wall of the through hole and the side wall of the sealing plate.

[0023] In this technical solution, a through hole is opened at one end of the waste discharge box near the drive unit, allowing the drive unit to move freely and reducing interference to the drive unit. Furthermore, an extension sleeve is set in the through hole, with one end of the extension sleeve connected to the side wall of the sealing plate and the other end connected to the inner wall of the through hole. Specifically, the side wall of the sealing plate is circumferentially connected and the inner wall of the through hole is circumferentially connected. This allows the drive unit to move freely while forming an isolation between the second cavity and the drive unit, and prevents the waste discharged in the second cavity from contacting the drive unit and causing mechanical failure.

[0024] In any of the above technical solutions, the contamination interception device further includes: a monitoring unit, which includes: a detection module for acquiring data on the amount of contaminants in the filter screen; a calculation module for determining whether the amount of contaminants conforms to a preset rule, and if so, generating control data; a control module for adjusting the opening and closing of the first nozzle according to the control data; and a drive module for controlling the drive unit and the positioning component according to the control data.

[0025] In this technical solution, the monitoring unit can detect the continuously accumulated dirt inside the filter screen. When the amount of dirt exceeds a preset rule, the flow of sewage is stopped and the dirt inside the filter screen is removed. After removal, the filter screen can continue to filter sewage, and this process is repeated.

[0026] In any of the above technical solutions, the detection module is a distance sensor; the distance sensor is placed at the top of the first cavity and corresponds to the opening of the filter screen.

[0027] In this technical solution, the detection module is set as a distance sensor to continuously detect the real-time distance between the bottom of the inner wall of the filter screen and the distance sensor. When the distance is too short, it indicates that the amount of dirt inside is too high, which means that the amount of dirt does not meet the preset rules. Specifically, the preset rules are based on the distance between the bottom of the filter screen and the distance sensor when it is unloaded as the first distance, and the distance between the bottom of the filter screen and the opening as the second distance. When the difference between the first distance and the real-time distance is greater than half of the second distance, it is determined that the amount of dirt does not meet the preset rules.

[0028] A second aspect of the present invention provides a method for unloading contaminants, comprising the following steps: the driving unit places the filter screen in a first cavity, and the wastewater passes sequentially through a first inlet, the filter screen, and a drain outlet; the filter screen continuously intercepts contaminants in the wastewater, and the detection module acquires data on the amount of contaminants; the calculation module determines whether the amount of contaminants conforms to a preset rule, and if so, generates control data; the control module closes the first inlet, and the driving module controls the driving unit to move the filter screen into a second cavity; the driving unit flips the filter screen and drives the filter screen to swing repeatedly, so that the contaminants in the filter screen fall out from the second inlet; the driving unit reverses the filter screen and drives the filter screen to move into the first cavity.

[0029] The wastewater unloading method provided by the present invention can switch between two working conditions, namely, interception and release of wastewater, by placing the filter screen in the first chamber and the second chamber respectively, so as to filter the sewage without maintenance, protect the structure of the sewage pipeline and avoid damage from the wastewater inside. It is capable of self-cleaning, ensuring that the equipment can operate continuously even when unattended.

[0030] The beneficial effects of this invention compared to the prior art are as follows: It features a vacuum decontamination rotor pump that is not prone to clogging and can effectively block sharp or soft solid impurities such as cotton fabrics, metal screws, and coins that are difficult to pass through the vacuum rotor pump during operation. It also effectively intercepts metal screws and other solid objects larger than 6mm. It does not affect the pressure or fluidity of the liquid within the pipeline during equipment operation.

[0031] All operations of this equipment take place within the sealed space of the wastewater discharge tank, ensuring excellent sealing and environmental friendliness. The equipment is also equipped with a mobile network terminal for real-time monitoring and control. When used with a converged handheld terminal, it can immediately notify users of equipment status, perform control checks, remotely control operation, and monitor the overall operational status of the equipment in real time.

[0032] This equipment features automatic cleaning, centralized collection, automatic packaging, and is safe and reliable. It greatly reduces personnel operating costs and effectively extends the service life of the equipment.

[0033] Additional aspects and advantages of embodiments of the invention will become apparent in the following description or may be learned by practice of embodiments of the invention. Attached Figure Description

[0034] The above and / or additional aspects and advantages of the present invention will become apparent and readily understood from the description of the embodiments taken in conjunction with the following drawings, in which: Figure 1 This is a schematic diagram of the structure of the present invention; Figure 2 This is a schematic diagram of the base and its connection structure of the present invention; Figure 3 This is a schematic diagram of the rotating rod and its connection structure according to the present invention; Figure 4 This is a schematic diagram of the extension sleeve and its connection structure of the present invention; Figure 5 This is a schematic diagram of the worm gear and its connection structure according to the present invention; Figure 6 This is a logic block diagram of the monitoring unit of the present invention; Figure 7 This is a flowchart of the method steps of the present invention.

[0035] in, Figure 1-7 The correspondence between the reference numerals and component names in the attached drawings is as follows: 1. Waste discharge box, 2. Clamping device, 3. Worm gear, 4. Worm gear motor, 5. Gear, 6. Rotary motor, 7. Robotic arm motor, 8. Base, 9. Rotating plate, 10. Filter screen, 11. Sealing plate, 12. Extension sleeve, 13. Rotating rod. Detailed Implementation

[0036] To better understand the above-mentioned objectives, features, and advantages of the present invention, the present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments. It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.

[0037] Many specific details are set forth in the following description in order to provide a full understanding of the invention. However, the invention may also be practiced in other ways different from those described herein, and therefore the scope of protection of the invention is not limited to the specific embodiments disclosed below.

[0038] Please see Figure 1-7 The following describes some embodiments of the wastewater interception device and wastewater discharge method of the present invention.

[0039] An embodiment of the first aspect of the present invention provides a wastewater interception device. In some embodiments of the present invention, such as... Figure 1-6 As shown, the wastewater interception device includes: The wastewater discharge box is connected to the sewage pipe.

[0040] The screening section is located inside the wastewater discharge box to filter the wastewater flowing out of the discharge pipe and passing through the wastewater discharge box.

[0041] The drive unit is connected to the screening unit and extends through the waste discharge box to drive the screening unit to move and swing within the waste discharge box.

[0042] The wastewater interception device provided by this invention is characterized by its resistance to clogging of the vacuum wastewater discharge main rotor pump, and can effectively block sharp or soft solid impurities such as cotton fabrics, metal screws, and coins that are difficult to pass through the vacuum rotor pump during operation. It also has the advantage of effectively intercepting metal screws and other solid objects larger than 6mm. Furthermore, it does not affect the pressure within the pipeline or the flow of the liquid during equipment operation.

[0043] This equipment operates entirely within a sealed space, ensuring excellent sealing and environmental friendliness. It is also equipped with a mobile network terminal for real-time control. When used with a converged handheld terminal, it can immediately notify users of equipment status, perform control checks, remotely control operation, and monitor the overall operational status of the equipment in real time.

[0044] This equipment features automatic cleaning, centralized collection, automatic packaging, and is safe and reliable. It greatly reduces personnel operating costs and effectively extends the service life of the equipment.

[0045] Furthermore, the drive unit is a robotic arm, which includes a base 8, a rotating plate 9, a robotic arm motor 7, and a rotary motor 6. There are three robotic arm motors 7. The first robotic arm motor 7 is mounted on the base 8. The rotating plate 9 is rotatably mounted on the base 8 and fixedly connected to the output shaft of the first robotic arm motor 7 mounted on the base 8. The second robotic arm motor 7 is mounted on the rotating plate 9. The output shaft of the second robotic arm motor 7 is mounted with a first connecting plate. The end of the first connecting plate away from the second robotic arm motor 7 is fixedly mounted with a third robotic arm motor 7. The third robotic arm motor 7 is provided with a second connecting plate. The rotary motor 6 is fixedly mounted on the second connecting plate.

[0046] In any of the above embodiments, the waste discharge box is provided with a first cavity and a second cavity that are interconnected, and the first cavity is provided with a drain outlet.

[0047] The screening section is located inside either the first cavity or the second cavity.

[0048] The first cavity is located between the second cavity and the inner cavity of the sewage pipe.

[0049] In this embodiment, by setting up two cavities, a first cavity and a second cavity, inside the wastewater discharge box, the screening section can operate separately in the two cavities. The wastewater is continuously filtered in the first cavity. When too much waste accumulates inside the screening section, it can be transferred to the second cavity for wastewater discharge in a timely manner. After discharge, it can return to the first cavity for continuous wastewater filtration. The whole process does not require human presence and has a high degree of autonomous operation capability.

[0050] In any of the above embodiments, the screening section includes a filter screen 10, and a first connector connected to the first cavity and a second connector connected to the second cavity on the waste discharge box.

[0051] The openings of the first and second connectors are set opposite to each other.

[0052] In this embodiment, the screening section adopts a filter screen 10. One side of the filter screen 10 is a one-way opening, and the other five sides are a mesh porous structure, so that sewage flows in from the opening of the filter screen 10 and flows out from the porous structure of the other sides, and the dirt in the sewage is intercepted inside the filter screen 10. Both the first and second connectors are equipped with solenoid valves that can be opened and closed. The first connector is connected to an external sewage pipe to introduce sewage into the sludge discharge box. The second connector corresponds to the inlet of an external sludge collection box to collect the dropped sludge. The openings of the first and second nozzles are set opposite to each other, so that dirt falls in from one direction and out from the other opposite direction, so that dirt can be stored and removed in the filter screen 10.

[0053] Specifically, the right end of the filter screen 10 is fixedly connected to the output shaft of the rotary motor 6.

[0054] In any of the above embodiments, when the filter screen 10 is located in the first cavity, the opening of the filter screen 10 corresponds to the first inlet.

[0055] When the filter screen 10 is located in the second cavity, the opening of the filter screen 10 corresponds to the second inlet.

[0056] In this embodiment, in the first cavity, the opening of the filter screen 10 corresponds to the first inlet so that the filter screen 10 can directly contact the sewage flowing in from the first inlet. Specifically, the first inlet is opened vertically. In the second cavity, the opening of the filter screen 10 corresponds to the second inlet so that the filter screen 10 can directly discharge the accumulated and intercepted dirt downwards. Specifically, the first inlet is opened vertically.

[0057] In any of the above embodiments, a positioning part is further included, disposed outside the waste discharge box; The positioning part corresponds to the connection between the first cavity and the second cavity.

[0058] In this embodiment, by placing the positioning part outside the wastewater discharge box, damage to the overall sealed structure of the wastewater discharge box can be minimized. Furthermore, by positioning the positioning part at the connection between the first cavity and the second cavity, it is easier to position the filter screen 10 that travels between the first cavity and the second cavity, thus preventing wastewater from flowing into the second cavity during filtration and separation and further flowing out through the second nozzle, causing environmental pollution.

[0059] Specifically, the connection between the first cavity and the second cavity has a longitudinal wall, and the bottom of the inner wall of the first cavity is lower than the lowest point of the connection.

[0060] Furthermore, the positioning assembly includes a worm motor 4, a worm 3, a gear 5, and a rotating rod 13; Two rotating rods 13 are provided and are rotatably installed at the connection between the first cavity and the second cavity, respectively. Gears 5 are fixedly installed on the top of the rotating rods 13 at both ends. The worm motor 4 is installed on the top of the connection. The output end of the worm motor 4 is connected to the worm 3 to drive the worm 3 to rotate. The two ends of the worm 3 are threaded to mesh with the gears 5 to drive the two gears 5 to rotate in opposite directions.

[0061] In any of the above embodiments, the screening section further includes a sealing plate 11 connected to the filter screen 10, and the positioning section includes a positioning component and a locking element 2.

[0062] The card 2 penetrates the outer wall of the waste discharge box and extends into the second cavity. The positioning component is used to drive the card 2 to extend into or out of the second cavity.

[0063] When the filter screen 10 is located in the first cavity, the sealing plate 11 is located at the connection and seals the first cavity, and the clamp 2 is located in the second cavity and abuts against the sealing plate 11.

[0064] In this embodiment, the sealing plate 11 can increase the lateral area of ​​the filter screen 10, which is beneficial for sealing the first cavity within the first cavity to isolate its connection with the second cavity. The locking piece 2 is movable under the drive of the positioning component to penetrate the outer wall of the waste discharge box and extend into the second cavity. It exerts a force on the filter screen 10 in the first cavity but not on the sealing plate 11 support, with the direction from the second cavity to the first cavity, so that the locking piece 2 abuts against the sealing plate 11, thereby causing the sealing plate 11 to abut against the connection between the first cavity and the second cavity.

[0065] Specifically, the clip 2 is an arc-shaped rod, and when the clip 2 abuts against the sealing plate, the inner arc of the clip faces the sealing plate; and the waste discharge box is provided with an arc-shaped hole that matches the clip 2, and the inner wall of the arc-shaped hole fits against the side wall of the clip 2.

[0066] In any of the above embodiments, a through hole is provided at one end of the sludge discharge box near the drive unit, and an extension sleeve 12 for sealing the through hole is provided inside the sludge discharge box.

[0067] The two ends of the extension sleeve 12 are respectively connected to the inner wall of the through hole and the side wall of the sealing plate 11.

[0068] In this embodiment, a through hole is opened at one end of the waste discharge box near the drive unit, allowing the drive unit to move freely and reducing interference to the drive unit. Furthermore, an extension sleeve 12 is provided in the through hole, with one end of the extension sleeve 12 connected to the side wall of the sealing plate 11 and the other end connected to the inner wall of the through hole. Specifically, the side wall of the sealing plate 11 is circumferentially connected and the inner wall of the through hole is circumferentially connected. This allows the drive unit to move freely while forming an isolation between the second cavity and the drive unit, and prevents the waste discharged in the second cavity from contacting the drive unit and causing mechanical failure.

[0069] Specifically, the extension sleeve 12 is pre-folded and made of rubber.

[0070] In any of the above embodiments, a monitoring unit is further included, the monitoring unit comprising: The detection module is used to obtain data on the amount of dirt inside the filter screen 10.

[0071] The calculation module is used to determine whether the existing data conforms to preset rules; if so, it generates control data.

[0072] The control module is used to adjust the opening and closing of the first connector based on control data.

[0073] The drive module is used to control the drive unit and positioning components according to the control data.

[0074] In this embodiment, the monitoring unit can detect the continuously accumulated dirt inside the filter screen 10. When the amount of dirt exceeds a preset rule, the flow of sewage is stopped and the dirt inside the filter screen 10 is removed. After removal, the filter screen 10 can continue to filter sewage, and this process is repeated.

[0075] In any of the above embodiments, the detection module is a distance sensor.

[0076] The distance sensor is placed at the top of the first cavity, corresponding to the opening of the filter screen 10.

[0077] In this embodiment, the detection module is set as a distance sensor to continuously detect the real-time distance between the bottom of the inner wall of the filter screen 10 and the distance sensor. When the distance is too short, it indicates that the amount of dirt inside is too high, which means that the amount of dirt does not meet the preset rules. Specifically, the preset rules are based on the distance between the bottom of the filter screen 10 and the distance sensor when it is unloaded as the first distance and the distance between the bottom of the filter screen 10 and the opening as the second distance. When the difference between the first distance and the real-time distance is greater than half of the second distance, it is determined that the amount of dirt does not meet the preset rules.

[0078] A second aspect of the present invention provides a method for unloading contaminants. In some embodiments of the present invention, such as... Figure 7 As shown, the waste disposal method includes: S1, the drive unit places the filter screen 10 into the first cavity, and the sewage passes through the first inlet, the filter screen 10 and the drain outlet in sequence.

[0079] S2, the filter screen 10 continuously intercepts dirt in the sewage, and the detection module obtains the amount of dirt.

[0080] S3, the calculation module determines whether the existing data conforms to the preset rules, and if so, generates control data.

[0081] S4, the control module closes the first inlet, and the drive module controls the drive unit to move the filter screen 10 into the second cavity.

[0082] S5, the drive unit flips the filter screen 10 and drives the filter screen 10 to swing repeatedly so that the dirt in the filter screen 10 falls out from the second nozzle.

[0083] S6, the drive unit reverses the filter screen 10, causing the filter screen 10 to move into the first chamber.

[0084] The wastewater discharge method provided by the present invention, by placing the filter screen 10 in the first chamber and the second chamber respectively, can switch between two working conditions: interception of wastewater and shaking and release of wastewater. This allows for the filtration of wastewater without maintenance, protecting the structure of the wastewater pipeline and preventing damage from wastewater inside the wastewater. It is capable of self-cleaning, ensuring that the equipment can operate continuously even when unattended.

[0085] In the description of this invention, it should be understood that the terms "longitudinal", "lateral", "up", "down", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this invention, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this invention.

[0086] The embodiments described above are merely preferred embodiments of the present invention and are not intended to limit the scope of the present invention. Various modifications and improvements made by those skilled in the art to the technical solutions of the present invention without departing from the spirit of the present invention should fall within the protection scope defined by the claims of the present invention.

Claims

1. A wastewater interception device, characterized in that, include: The waste discharge box is connected to the sewage pipe. A screening section is located inside the wastewater discharge tank to filter the wastewater flowing out of the discharge pipe and passing through the wastewater discharge tank; A drive unit, connected to the screening unit, passes through the waste discharge box to drive the screening unit to move and swing within the waste discharge box; the drive unit is a robotic arm, which includes a base, a rotating plate, a robotic arm motor, and a rotary motor; three robotic arm motors are provided, wherein the first robotic arm motor is mounted on the base, the rotating plate is rotatably mounted on the base and fixedly connected to the output shaft of the first robotic arm motor mounted on the base, the second robotic arm motor is mounted on the rotating plate, the output shaft of the second robotic arm motor is mounted with a first connecting plate, the end of the first connecting plate away from the second robotic arm motor is fixedly mounted with a third robotic arm motor, the third robotic arm motor is provided with a second connecting plate, and a rotary motor is fixedly mounted on the second connecting plate; The screening section includes a filter screen; one side of the filter screen is a one-way opening, and the other five sides are a mesh-like porous structure; the right end of the filter screen is fixedly connected to the output shaft of the rotary motor; the sludge discharge box is provided with a first cavity and a second cavity that are interconnected, and the first cavity is provided with a drain outlet; the screening section is located inside either the first cavity or the second cavity; wherein, the first cavity is located between the second cavity and the inner cavity of the sludge discharge pipe; It also includes: a positioning part, disposed outside the waste discharge box; wherein the positioning part corresponds to the communication point between the first cavity and the second cavity; The screening section further includes a sealing plate connected to the filter screen, and the positioning section includes a positioning component and a locking member; the locking member penetrates the outer wall of the waste discharge box and extends into the second cavity, and the positioning component is used to drive the locking member to extend into or move out of the second cavity; wherein, when the filter screen is located in the first cavity, the sealing plate is located at the communication point and blocks the first cavity, and the locking member is located in the second cavity and abuts against the sealing plate.

2. The wastewater interception device according to claim 1, characterized in that, The waste discharge box is provided with a first connector connected to the first cavity and a second connector connected to the second cavity; both the first connector and the second connector are provided with solenoid valves that can be opened and closed. The opening directions of the first connector and the second connector are opposite.

3. The wastewater interception device according to claim 2, characterized in that, When the filter screen is located in the first cavity, the opening of the filter screen corresponds to the first inlet. When the filter screen is located in the second cavity, the opening of the filter screen corresponds to the second inlet.

4. The wastewater interception device according to claim 1, characterized in that, The waste discharge box has a through hole at one end near the drive unit, and an extension sleeve for sealing the through hole is provided inside the waste discharge box. The two ends of the extension sleeve are respectively connected to the inner wall of the through hole and the side wall of the sealing plate.

5. The wastewater interception device according to claim 2, characterized in that, Also includes: The monitoring unit includes: The detection module is used to acquire data on the amount of dirt inside the filter screen; The calculation module is used to determine whether the existing data conforms to preset rules, and if so, to generate control data; A control module is used to adjust the opening and closing of the first connector according to the control data; A drive module is used to control the drive unit and the positioning component according to the control data.

6. The wastewater interception device according to claim 5, characterized in that, The detection module is a distance sensor; The distance sensor is placed at the top of the first cavity and corresponds to the opening of the filter screen.

7. A method for unloading contaminants based on the contaminant interception device described in claim 6, characterized in that, Includes the following steps: The drive unit places the filter screen in the first cavity, and the sewage passes through the first inlet, the filter screen and the drain outlet in sequence. The filter screen continuously intercepts the pollutants in the wastewater, and the detection module acquires data on the amount of pollutants. The calculation module determines whether the existing data conforms to the preset rules; if so, it generates control data. The control module closes the first inlet, and the drive module controls the drive unit to move the filter screen into the second cavity; The drive unit flips the filter screen and drives the filter screen to swing repeatedly so that the dirt inside the filter screen falls out from the second inlet. The drive unit reverses the filter screen, causing the filter screen to move into the first cavity.

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