Electronic beam irradiation treatment integrated wastewater treatment system and control method

Abstract

The invention belongs to the technical field of wastewater treatment, and discloses an electron beam irradiation treatment integrated wastewater treatment system and a control method.The system comprises a self-shielding irradiation cabin and at least one other wastewater treatment cabin, and each wastewater treatment cabin is provided with a standardized water outlet connector and a water inlet connector; the wastewater treatment cabins are connected with other wastewater treatment cabins through pipelines to form a multi-stage wastewater treatment system. According to the sewage treatment pilot plant test device, related equipment and pipelines of all links related to sewage treatment are integrated into the transportable square cabin, and the specified sewage treatment cabins can be connected among all links according to requirements through standardized interfaces, so that the sewage treatment pilot plant test device is easy to assemble and carry and can be repeatedly utilized.

Description

Technical Field

[0001] The invention belongs to the technical field of wastewater treatment, and in particular relates to an electron beam irradiation treatment integrated wastewater treatment system and a control method. Background Art

[0002] The statements in this section merely provide background information related to the present invention and do not necessarily constitute prior art.

[0003] Before applying the wastewater treatment scheme to actual wastewater treatment, small-scale and pilot tests must be conducted to ensure the effectiveness of the final treatment scheme. Small-scale tests usually refer to tests conducted in laboratories or small equipment to verify the feasibility and effectiveness of different treatment methods. Pilot tests refer to tests conducted in medium-sized equipment or actual sewage treatment plants to verify whether the treatment scheme in the small test is suitable for the actual operating environment.

[0004] The general sewage treatment pilot plant is designed and processed for only one pilot task. However, due to the differences in wastewater quality and wastewater types, there are various wastewater treatment processes, so it is difficult to reuse the existing sewage treatment pilot plants. Moreover, due to the large number of equipment involved in the plant and the complex pipe connections, the pilot plant is also difficult to transport and the site is limited. The pilot experiment cycle is short, and the pilot plant is easily idle, which is difficult to match the manpower and material resources consumed in design and construction. Summary of the invention

[0005] In order to overcome the shortcomings of the above-mentioned prior art, the present invention provides an integrated wastewater treatment system and control method for electron beam irradiation treatment, which integrates the relevant equipment and pipelines of each link involved in sewage treatment into a transportable cabin, and through a standardized interface, the designated wastewater treatment cabins can be connected between each link as needed, so that the sewage treatment pilot device is easy to assemble, easy to carry, and can be reused.

[0006] To achieve the above-mentioned objectives, the first aspect of the present invention provides an integrated wastewater treatment system for electron beam irradiation treatment, characterized in that it includes a self-shielded irradiation chamber and at least one other wastewater treatment chamber, each wastewater treatment chamber is provided with a standardized water outlet interface and a water inlet interface for connecting with other wastewater treatment chambers through pipelines to form a multi-stage wastewater treatment system.

[0007] In some embodiments, each wastewater treatment chamber is provided with a chamber control system, and wastewater transmission control elements and monitoring elements connected to the chamber control system; the system also includes a central controller capable of establishing connections with each chamber control system in the multi-stage wastewater treatment system.

[0008] In some embodiments, the system further includes a host monitoring system and / or a voice broadcasting system connected to the central controller.

[0009] In some embodiments, the system further comprises a video monitoring system, and each wastewater treatment chamber is provided with a camera for monitoring key equipment.

[0010] In some embodiments, the self-shielded irradiation chamber includes a water storage tank, a receiving water tank, an accelerator and an irradiation water box; the water inlet interface of the self-shielded irradiation chamber is connected to the first water inlet of the water storage tank via a water inlet pipe, the first water outlet of the water storage tank is connected to the water inlet of the irradiation water box via a first pipe, the water outlet of the irradiation water box is connected to the water inlet of the receiving water tank via a second pipe, the first water outlet of the receiving water tank is connected to the water outlet interface of the self-shielded irradiation chamber; the second water outlet of the receiving water tank is connected to the second water inlet of the water storage tank via a self-circulation pipe.

[0011] In some embodiments, a branch pipeline is further provided on the second pipeline, connected to the third water inlet of the water storage tank, and a directional control valve is provided at the branch to control the wastewater passing through the irradiated water box to flow to the water storage tank or the receiving water tank.

[0012] In some embodiments, the irradiated water box is further provided with another water outlet connected to the water inlet of the wastewater recovery tank; the water outlet of the wastewater recovery tank is connected to the third water inlet of the water storage tank via a third channel.

[0013] In some embodiments, an irradiation shielding structure is provided outside the accelerator and the irradiation water box; the irradiation shielding structure includes an upper shielding body and a lower shielding body, the upper shielding body is arranged around the accelerator; the lower shielding body has an internal cavity for placing the irradiation water box; in the shielding structure, the outer wall thickness of each local area is different.

[0014] In some embodiments, the other wastewater treatment chambers include a pretreatment chamber, an irradiation post-treatment chamber, a biochemical system chamber, and an oxidation deep treatment chamber.

[0015] A second aspect of the present invention provides a control method for the electron beam irradiation integrated wastewater treatment system, which is applied to a central controller, and the method comprises:

[0016] In response to the start-stop control command, control the start and stop of each level of wastewater treatment system, monitor the operating status of each level of wastewater treatment system in real time based on the monitoring element, and in response to the adjustment parameters of the wastewater transmission control element, control the wastewater transmission flow and direction in the corresponding cabin;

[0017] Among them, the start-stop control instructions are automatically generated based on preset start-stop conditions, and the preset start-stop conditions include water outlet and water inlet conditions of each wastewater treatment chamber.

[0018] In one or more of the above technical solutions, by integrating the relevant equipment and pipelines of each link involved in sewage treatment into a transportable cabin, and through standardized interfaces, the designated wastewater treatment cabins between each link can be connected according to needs, so that a combination of various sewage treatment processes can be realized, which is suitable for the treatment of sewage of various water qualities and types. At the same time, it is easy to carry, which greatly increases the possibility of reuse. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The accompanying drawings in the specification, which constitute a part of the present invention, are used to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute improper limitations on the present invention.

[0020] Figure 1 This is a schematic diagram of the functional architecture of the integrated wastewater treatment system for electron beam irradiation treatment in an embodiment of the present invention;

[0021] Figure 2 Schematic diagram of the electrical connection relationship between the central control cabin and the wastewater treatment cabin in an embodiment of the present invention;

[0022] Figure 3 It is an overall top view of the internal structure of the self-shielding irradiation cabin in an embodiment of the present invention;

[0023] Figure 4 It is a side view of the internal structure of the self-shielding irradiation cabin in an embodiment of the present invention;

[0024] Figure 5 It is a side view of a water storage tank and a water receiving tank in an embodiment of the present invention;

[0025] Figure 6 This is an overall schematic diagram of the radiation shielding structure in an embodiment of the present invention;

[0026] Figure 7 This is a schematic diagram of the internal structure of the radiation shielding structure in an embodiment of the present invention;

[0027] Figure 8 Schematic diagram of the principle of optimizing the thickness of the outer wall of the radiation shielding structure in an embodiment of the present invention;

[0028] Fig. 9 The schematic diagram of the wastewater treatment system based on the typical wastewater treatment process;

[0029] Fig.10 This is the start-stop control logic diagram of the wastewater treatment system based on the typical wastewater treatment process.

[0030] Among them, 1. water storage tank, 2. storage water tank, 3. irradiation water box, 4. irradiation shielding structure, 5. first water inlet of water storage tank, 6. first water outlet of storage water tank, 7. first pipeline, 8. second pipeline, 9. self-circulation pipeline, 10. submersible pump, 11. first branch pipeline, 12. second branch pipeline, 13. wastewater recovery tank, 14. third pipeline, 15. water pump, 16. accelerator; 4-1. upper shielding body, 4-2. lower shielding body, 4-3. shielding door, 4-4. bottom shielding body, 4-5. T-stage shielding block; 16-1. electron gun, 16-2. accelerating tube, 16-3. bellows, 16-4. waveguide window, 16-5. waveguide, 16-6. scanning magnet, 16-7. titanium pump, 16-8. scanning box. DETAILED DESCRIPTION

[0031] It should be noted that the following detailed descriptions are exemplary and are intended to provide further explanation of the present invention. Unless otherwise specified, all technical and scientific terms used herein have the same meanings as those commonly understood by those skilled in the art to which the present invention belongs.

[0032] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit exemplary embodiments according to the present invention. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprising" and / or "including" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.

[0033] In the absence of conflict, the embodiments of the present invention and the features of the embodiments may be combined with each other.

[0034] One or more embodiments of the present invention provide an integrated wastewater treatment system for electron beam irradiation treatment, such as Figure 1 As shown, it includes a self-shielded irradiation cabin and at least one other wastewater treatment cabin. Each wastewater treatment cabin is provided with a standardized water outlet and water inlet interface, which is used to connect with other wastewater treatment cabins through pipelines to form a multi-stage wastewater treatment system. In addition to the self-shielded irradiation cabin, other wastewater treatment cabins include a pretreatment cabin, a self-shielded irradiation cabin, a post-irradiation treatment cabin, a biochemical system cabin, and an oxidation deep treatment cabin. Those skilled in the art will understand that if there are other needs for wastewater treatment, more wastewater treatment cabins can be added.

[0035] By setting the above-mentioned standardized water outlet interface and water inlet interface, it is possible to realize any number and order of combinations between the multiple wastewater treatment chambers according to the treatment requirements of different types of wastewater, obtain different wastewater treatment schemes, and form an efficient and cost-effective wastewater treatment implementation plan.

[0036] The self-shielded irradiation cabin and each of the wastewater treatment cabins are equipped with wastewater transmission control elements and monitoring elements, and are equipped with a separate cabin control system connected to each of the wastewater transmission control elements and monitoring elements to control the flow rate, direction and start and stop of the system of wastewater in the cabin. The wastewater transmission control elements include water pumps, fans, valves, etc., the monitoring elements include flow meters, liquid level sensors, pressure sensors, etc., and the valves include electric valves, solenoid valves, directional control valves, etc.

[0037] like Figure 2 As shown, the system also includes a central controller. When the self-shielded irradiation cabin is connected to other wastewater treatment cabins through pipelines, the central controller is also connected to the control unit of each other wastewater treatment cabin. The central controller is used to control the overall power on and off of the specified wastewater treatment cabin combination, the working sequence and connection of each cabin, the start and stop control of key components and equipment in a single cabin, monitor the operating status of the specified device cabin combination, monitor the internal operating status of a single cabin, and record the operating parameters of each cabin. In some embodiments, the central controller is located in the central control cabin.

[0038] Based on this, each of the wastewater treatment cabins can be controlled individually. In order to achieve comprehensive control of the system, the system also includes a central controller, which establishes communication connections with the cabin control systems of the multiple wastewater treatment cabins respectively. Through the central controller, the connection and operation sequence of each wastewater treatment cabin can be set, and the start and stop of the water pumps and valves in each cabin can be controlled through the cabin control system of each cabin. The central controller is configured to: respond to the start and stop control instructions, control the start and stop of the wastewater treatment system at each level, monitor the operating status of the wastewater treatment system at each level in real time based on the monitoring element, and respond to the adjustment parameters for the wastewater transmission control element input by the user at any time, and control the wastewater transmission flow and direction in the corresponding cabin.

[0039] In some embodiments, the start-stop control instructions may be generated in response to a user request, or may be automatically generated based on preset start-stop conditions, wherein the preset start-stop conditions include the user's settings for the outlet and inlet conditions of each wastewater treatment tank, such as the conditions that need to be met for the outlet pump of the current level, the inlet valve and the inlet pump of the next level of wastewater treatment tank to be turned on, that is, the conditions for the wastewater to be transferred from the current tank to the next tank.

[0040] By connecting the central controller to the cabin control systems of each cabin, it is only necessary to adjust the timing control of each cabin control system to obtain a comprehensive control system that is suitable for different cabin combination schemes. Compared with individual control of each cabin, since the operating conditions of each cabin can be fully understood, the control of each valve, water pump, etc. can be adjusted as needed at any time, which is more accurate and helps to improve the wastewater treatment effect.

[0041] The central controller is also connected to a host monitoring system, through which the entire system status can be viewed, equipment can be remotely operated, and system parameters can be set.

[0042] The system also includes a video monitoring system to remotely monitor the equipment in each wastewater treatment chamber. By installing an appropriate number of cameras in each chamber, video monitoring of key parts is performed. The video monitoring screen is configured in the central control cabin to facilitate remote viewing of the equipment operation status of each chamber, and video tracing can be performed for up to one month. The video monitoring system consists of a hard disk recorder, a surveillance TV and cameras in each chamber.

[0043] The system also includes a voice broadcast system, which is connected to the central controller and is used to broadcast and notify the operating status of the equipment in each wastewater treatment chamber, so that the central control operator does not need to go to each chamber to inform. The voice broadcast system consists of a microphone, an amplifier and speakers in each chamber.

[0044] The central controller communicates with the cabin control systems in each sewage treatment cabin through Ethernet, collects subsystem status, remotely controls each subsystem component, and organizes the coordinated work of each sub-cabin system according to the process flow; the central control cabin electrical control subsystem can remotely stop the work of each cabin system in an emergency; the central control cabin electrical control subsystem performs remote video monitoring of each cabin, and broadcasts notifications to each cabin through the voice broadcast system.

[0045] The system also includes a power distribution system, which is used to supply power to each wastewater treatment chamber and has the function of cutting off the corresponding power supply circuit in case of failure, such as over-voltage and under-voltage protection. The power distribution system consists of a multi-channel output outdoor distribution box, and is connected to the AC380V three-phase five-wire system of the mains electricity, which supplies power to the central control chamber, pre-treatment chamber, irradiation chamber, post-treatment chamber, biochemical chamber and deep treatment chamber, and realizes independent connection and disconnection control.

[0046] In order to facilitate transportation and assembly and save space, the multiple wastewater treatment chambers all adopt a compact structural design, so that the system can be easily placed and used in different application scenarios.

[0047] The pretreatment chamber is used to pretreat wastewater with high turbidity. If the wastewater has low turbidity, it does not need to pass through the pretreatment chamber. The pretreatment chamber includes a regulating buffer tank, a high-efficiency sedimentation tank, an intermediate water tank and a self-cleaning filter connected in sequence. The water inlet interface of the pretreatment chamber is connected to the regulating buffer tank, and the water outlet interface is connected to the self-cleaning filter. The water flow process in the tank is as follows: (1) After the incoming water enters the tank, it is first pressurized by the water inlet pump. After pressurization, it is divided into two branches. One branch enters the regulating buffer tank from the top through the flow meter, and the other branch returns to the front water. (2) The water outlet from the regulating buffer tank is pressurized by the water outlet pump and is divided into two branches. One branch enters the high-efficiency sedimentation tank from the bottom through the flow meter, and the other branch returns to the regulating buffer tank. The regulating buffer tank is equipped with an overflow port, a mud discharge port, a drain port, and a scum port. The generated sludge and wastewater are all discharged to the outside of the system through a mud discharge pump; (3) The effluent from the high-efficiency sedimentation tank enters the intermediate water tank through gravity. The high-efficiency sedimentation tank is equipped with a mud discharge port. The sludge is discharged to the outside of the system through a sludge pump. The sedimentation tank is equipped with a backwash pump to pressurize the water in the intermediate water tank and enter the high-efficiency sedimentation tank through the flow meter. The backwash water is discharged to the outside of the system through the sludge outlet and the sludge pump; (4) After the water outlet of the intermediate water tank is pressurized by the pump, it is divided into two branches, one branch enters the self-cleaning filter through the flow meter, and the other branch returns to the intermediate water tank; (5) The water outlet of the self-cleaning filter automatically enters the next system unit with a certain pressure. When the inlet and outlet pressures of the self-cleaning filter are relatively large, the backwash mode is automatically turned on, and the water in the intermediate water tank is used for backwashing. The generated wastewater is discharged to the outside of the system; (6) The three dosing systems are pressurized by the dosing pumps, and then enter the high-efficiency sedimentation tank through the flow meter and the pipeline mixer installed on the pipeline.

[0048] The self-shielded irradiation chamber integrates electrons into the self-shielded system, limits ionizing radiation to the irradiated area, and realizes continuous and rapid wastewater transportation and irradiation of the specified irradiation dose through the wastewater transportation device. As an example, 3MeV / 2kW electrons are used.

[0049] like Figure 3-Figure 5 As shown, the self-shielded irradiation cabin includes a water storage tank 1, a receiving water tank 2, an accelerator 16 and an irradiation water box 3. The water inlet interface of the self-shielded irradiation cabin is connected to the first water inlet 5 of the water storage tank via a water inlet pipeline, the first water outlet of the water storage tank 1 is connected to the water inlet of the irradiation water box 3 via a first pipeline 7, the water outlet of the irradiation water box 3 is connected to the water inlet of the receiving water tank 2 via a second pipeline 8, the first water outlet 6 of the receiving water tank is connected to the water outlet interface of the self-shielded irradiation cabin, and is used to output the irradiated water to the next processing link, and the irradiation water box 3 is arranged within the irradiation range of the accelerator 16.

[0050] The second water outlet of the receiving water tank 2 is connected to the second water inlet of the water storage tank 1 via a self-circulating pipeline 9. In addition, a submersible pump 10 is connected to the self-circulating pipeline 9. The submersible pump 10 is used to transport the water in the receiving water tank 2 back to the water storage tank 1 through the self-circulating pipeline, and then the water in the water storage tank 1 is transported to the irradiation water box 3 again through the first pipeline, so as to realize the self-circulation of sewage to achieve the purpose of multiple irradiation and improve the irradiation treatment effect.

[0051] The second pipeline 8 is also provided with a second branch pipeline 12, which is connected to the third water inlet of the water storage tank 1. A directional control valve is provided at the branch to control the wastewater passing through the irradiation water box 3 to flow to the water storage tank 1 or the receiving water tank 2. Based on this, when the electron beam is not in place or the beam is not stable, the wastewater can be returned to the water storage tank 1.

[0052] An electric valve is provided on the pipeline between the first water inlet of the water storage tank 1 and the water inlet interface of the self-shielded irradiation cabin to control the flow rate and flow of sewage entering the water storage tank 1. An electric valve is provided on the pipeline between the water outlet of the storage water tank 2 and the water outlet interface of the self-shielded irradiation cabin to control the flow rate and flow of irradiated water discharged outside the cabin, so as to discharge the water flow stably.

[0053] The water inlet of the water storage tank 1 and the water outlet of the water storage tank 2 are both provided with sampling ports for detecting the water quality entering the self-shielded irradiation cabin and the water quality after irradiation treatment, and for determining the control parameters and number of cycles required for irradiation treatment.

[0054] The water storage tank 1 and the receiving water tank 2 are both provided with liquid level gauges for real-time monitoring of the water volume to avoid too little or too much water in the water tanks.

[0055] The first pipeline 7 is provided with a water inlet switch valve for controlling the flow rate entering the irradiation water box 3. The first pipeline 7 is also provided with a one-way valve to prevent backflow. The first pipeline 7 is provided with a first branch pipeline 11, which is connected to the second water outlet of the water storage tank 1, and the height of the second water outlet is higher than the first water outlet. The first branch pipeline 11 is used as an overflow pipe, and an overflow valve is provided on it, so that the excess water in the water storage tank 1 is input into the irradiation water box 3 through the overflow pipe and the first pipeline to prevent water overflow.

[0056] The second pipeline 8 is provided with a water outlet switch valve and a flow meter. The water outlet switch valve is used to control the flow rate of the irradiated water, and the flow meter is used to monitor the flow rate of the discharged water.

[0057] The irradiation water box 3 is divided into multiple areas in the length direction, including water inlet areas and water outlet areas on both sides, and an irradiation area in the middle; the box body is provided with a water inlet and a water outlet corresponding to the water inlet area and the water outlet area respectively; the upper surface of the bottom plate of the box body is high in the middle and low on both sides, forming a step-shaped shape. The bottom plate parts corresponding to the water inlet area and the water outlet area are lower in height than other areas. Through the step-shaped flow channel, the sewage can slowly flow over the irradiation area after entering the box body, which increases the uniformity of the sewage irradiation and improves the utilization efficiency of the irradiation electron beam. The sewage only needs to be irradiated once, which is helpful for measuring the total amount of sewage. The specific structure of the irradiation water box 3 can refer to the patent application document CN117776326A.

[0058] When the irradiation water box 3 with this structural design is used, bubbles may enter when conveying water, thus affecting the irradiation effect. In addition, due to the stepped structural design of the lower surface of the irradiation water box 3, residual water may not be able to flow out from the water outlet. Therefore, the irradiation water box 3 is also provided with another water outlet, which is connected to the water inlet of the wastewater recovery tank 13, for recovering the water in the irradiation water box 3.

[0059] In addition, the water outlet of the wastewater recovery tank 13 is connected to the third water inlet of the water storage tank 1 via a third pipeline 14; a pressure pump 15 is provided in the wastewater recovery tank 13 for transporting water in the wastewater recovery tank 13 back to the water storage tank 1.

[0060] In order to save space and facilitate the mobile transportation of the self-shielded irradiation cabin, the water storage tank 1 is arranged on the upper part of the storage water tank 2, and the irradiation water box 3 and the accelerator 16 are arranged on one side. Through the form and structure of the split water tank, the circulation and real-time monitoring of the water body in the tank are realized, which can realize the unidirectional flow of sewage and the self-circulation of sewage to achieve the purpose of multiple irradiation, increase the number of irradiation times of the water body, and improve the irradiation treatment effect.

[0061] The accelerator 16 and the irradiation water box 3 are provided with an irradiation shielding structure 4. Figure 6 and Figure 7As shown, the irradiation shielding structure 4 includes an upper shielding body 4-1 and a lower shielding body 4-2, wherein the upper shielding body 4-1 is arranged around the accelerator 16; the lower shielding body 4-2 has an internal cavity for placing the irradiation water box 3. The material of the shielding structure is at least one of lead, lead antimony and lead alloy. The attenuation law of X-rays with a nominal energy of 3MeV in lead material is reduced to 1 / 10 every 40cm. Therefore, for a dose attenuation of 7 orders of magnitude, at least 28cm thick lead or lead antimony or lead alloy material is required. If the shielding material is installed according to this thickness in all X-ray radiation directions, the overall weight will reach 50 to 160 tons. Considering the thickness of the shielding layer from the source to each angle of the space, some angles will be superimposed due to different channels, and some angles will increase after dividing by the cosine value of the angle, so the thickness of the shielding layer at many positions can be reduced accordingly. As a specific implementation method, the analysis space range (for example, the space within 3 meters of the irradiation area) is set with the shielding structure as the center; the X-ray energy value is set, and the point with the maximum irradiation dose is recorded as the ray source point; the initial thickness of the shielding structure is set, and the irradiation dose rate on the boundary of the analysis space under the initial thickness is calculated; according to the irradiation dose rate threshold set for the boundary of the analysis space, the thickness of the shielding structure is optimized to ensure that when the ray source point reaches the boundary of the analysis space, the irradiation dose rate threshold is met. Figure 8 Middle①- For the sample point example of calculating the irradiation dose rate received on the boundary of the analysis space, if the irradiation dose rate at a certain point on the analysis boundary is greater than the set irradiation dose rate threshold, the thickness of the outer wall on the path from the ray source point to the point can be appropriately reduced. Conversely, if the irradiation dose rate at a certain point on the analysis boundary is less than the set irradiation dose rate threshold, the thickness of the outer wall on the path from the ray source point to the point needs to be increased. As an example, the irradiation dose at the exit of the accelerating tube is the largest, followed by the large dose irradiation reaching the radiation receiving area on the top of the water, which will reflect the X-rays. Therefore, the exit of the accelerating tube and the radiation receiving area on the top of the water box are used as ray source points, and the top irradiation dose rate, the side irradiation dose rate and the bottom irradiation dose rate of the analysis space are set respectively, for example, set to 100μSv / h, 2.5μSv / h, and 5mSv / h respectively. After the structural optimization, the overall weight of the shielding body is between 12 and 28 tons, which has a significant decrease and meets the transportation requirements. To facilitate the processing of the shielding structure, in some embodiments, the thickness of the outer wall of the shielding structure is optimized by partitioning according to the radiation dose rate received on the analysis boundary. The areas where the shielding structures correspond to adjacent sample points with similar radiation dose rates are also similar. Therefore, a cross-overlapping design is adopted, and adjacent shielding structure areas with similar required thicknesses use a whole shielding block, which reduces the processing difficulty, reduces the overall quality of the self-shielding, and achieves effective shielding, so that the environmental radiation dose outside the self-shielding body meets the requirements of domestic and international radiation protection standards, thereby ensuring the safety of the environment and personnel.

[0062] As an example, the accelerator 16 includes an electron gun 16-1, an accelerating tube 16-2, a bellows 16-3 and a scanning box 16-8 arranged from top to bottom, and the scanning box 16-8 is surrounded by a scanning magnet 16-6. A waveguide 16-5 is provided on one side of the accelerating tube 16-2, and a waveguide window 16-4 is provided at the connection between the accelerating tube 16-2 and the waveguide 16-5. The waveguide 16-5 is used to transmit microwave power, and the microwave power is fed into the accelerating tube 16-2 through the waveguide window 16-4; the bellows 16-3 is a component connecting the accelerating tube 16-2 and the scanning box 16-8, and is an important channel for electron beam drift, which has the function of solving the problem of thermal expansion and adjusting the accumulated error when the equipment is installed; the scanning box 16-8 is used to provide the vacuum space required for the formation of the fan-shaped electron beam, and the lower surface of the scanning box 16-8 is provided with a titanium window (50 microns thick), which can ensure the vacuum while allowing electrons to pass smoothly. The titanium pump 16-7 is arranged on one side of the scanning box 16-8, and is used to maintain the vacuum inside the accelerating tube 16-2 and the scanning box 16-8. If this accelerator 16 is applied, the upper shielding body 4-1 includes a shielding body body, and the inner cavity shape of the shielding body body is adapted to the accelerator 16. For example, the waveguide 16-5, the connecting pipe, the ventilation pipe, etc. can be buried in the upper shielding body 4-1 by pre-buried pipes. In addition, the initial outer wall thickness meets a certain threshold, and the overall shape of the upper shielding body 4-1 is similar to the accelerator 16. The cross-sectional area in the height interval corresponding to the electron gun 16-1 is the smallest, and the cross-sectional area in the height interval corresponding to the accelerating tube 16-2 and the bellows 16-3, and the height interval corresponding to the scanning box 16-8 increases in sequence. The upper surface of the shielding body body, the position corresponding to the electron gun 16-1 of the accelerator 16, and the side surface of the shielding body body, and the positions corresponding to the waveguide 16-5 and the titanium pump 16-7 are respectively assumed to be shielding blocks.

[0063] The lower shielding body 4-2 includes a side shielding body and a bottom shielding body 4-4. The upper surface of the bottom shielding body 4-4 is provided with a T-stage shielding block 4-5. The T-stage shielding block 4-5 includes a plurality of flat shielding plates of the same shape but different sizes. The plurality of shielding plates are stacked from large to small at the center of the upper surface of the bottom shielding body 4-4, and the largest shielding plate is in contact with the bottom shielding body 4-4. The uppermost shielding plate is used to place the irradiation water box 3.

[0064] In order to facilitate the placement of the radiation water box, at least one side surface of the lower shielding body 4-2 is provided as a shielding door 4-3.

[0065] The shielding blocks and shielding plates are a specific implementation of the thickness optimization of the shielding outer wall structure, so that no matter where the accelerator is located, it can be guaranteed that the radiation dose rate is lower than the target when it is a certain distance from the radiation source. Based on the above structural optimization, mobile transportation becomes possible.

[0066] The water flow process in the self-shielded irradiation cabin is as follows: (1) Wastewater flows into the water tank from outside the cabin at a set flow rate and flow rate. There is a liquid level monitor in the water tank. When the wastewater reaches the set liquid level, the water intake is stopped; (2) The water flows out of the water tank at a set flow rate or flow rate. The water output and flow rate are controlled by a valve or flow meter, and the wastewater is prevented from flowing back through a one-way valve; (3) By controlling the one-way valve, the wastewater sample before irradiation is collected; (4) The flowing water flows into the beam lower section device through the pipeline and receives the specified irradiation dose; (5) The irradiated wastewater returns to different wastewater tanks through the return pipe and return flow meter; (6) When the electron beam is not in place or the beam is not stable, the wastewater is returned to the water tank through the return pipe; when the electron beam is stable, the irradiated wastewater returns to the storage box; the storage box is provided with a sampling port. If it is found that the water quality in the storage box does not meet the standard after sampling, the wastewater in the storage box is transported back to the water tank through the self-circulating pipeline. (7) The exhaust valve of the under-beam device is started at the same time as the under-beam device is started. The water flowing out through the exhaust valve and the exhaust pipe flows into the water storage tank after reaching a certain liquid level.

[0067] The post-irradiation treatment chamber is used to treat the post-irradiation treatment wastewater, remove the sediment produced in the wastewater, and adjust the wastewater quality conditions such as pH to meet the needs of subsequent treatment procedures. The post-irradiation treatment chamber includes a coagulation sedimentation tank and a neutralization regulating tank. The coagulation sedimentation tank treats the irradiated wastewater, and then it is tempered in the neutralization regulating tank. The water flow process in the chamber is as follows: (1) The water from the irradiation system is first pressurized by the water inlet pump and then divided into two branches. One branch enters the water inlet regulating tank from the top through the flow meter, and the other branch returns to the front water; (2) The water outlet from the water regulating tank is pressurized by the water outlet pump from the bottom and divided into two branches. One branch enters the high-density sedimentation tank through the flow meter, and the other branch returns to the water inlet regulating tank; (3) The effluent from the high-density sedimentation tank enters the neutralization regulating tank by gravity. The high-efficiency sedimentation tank is equipped with There is a sludge discharge port. The sludge is pressurized by a sludge pump and divided into two branches. One branch returns to the flocculation area through a sludge flow meter, and the other branch is discharged from the system. The four dosing systems are pressurized by dosing pumps and enter the high-density sedimentation tank through flow meters. (4) The effluent from the neutralization and regulating tank is pressurized by a pump and divided into two branches. One branch enters the biochemical system through a flow meter, and the other branch returns to the neutralization and regulating tank. The two dosing systems are pressurized by dosing pumps and enter the neutralization and regulating tank through flow meters.

[0068] The biochemical system cabin includes a water inlet regulating tank, an anoxic tank, an aerobic tank, a secondary sedimentation tank, a sludge return device, etc.; anoxic treatment, aerobic treatment and secondary sedimentation treatment are performed on different wastewaters to achieve the purpose of removing wastewater pollutants. The flow process of water in the cabin is as follows: (1) The incoming water is first pressurized by the water inlet pump and then divided into two branches. One branch enters the anoxic tank from the top through the flow meter, and the other branch returns to the front water; (2) The anoxic tank enters the aerobic tank through overflow, the aerobic tank enters the secondary sedimentation tank through overflow, and the secondary sedimentation tank enters the intermediate water tank through gravity. Among them, an internal reflux pump is set to make the aerobic tank pass through the internal reflux pump and return to the anoxic tank through the flow meter. The sludge in the secondary sedimentation tank is pressurized by the sludge pump and then divided into two branches. One branch enters the anoxic tank from the bottom through the flow meter, and the other branch is discharged to the outside of the system; the three dosing systems are pressurized by the dosing pumps, through the flow meter, and enter the aerobic tank; (3) The effluent from the intermediate water tank is pressurized by the pump and enters the deep treatment system through the flow meter; (4) A deep treatment system reflux pump is set to make the water from the deep treatment system enter the anoxic tank through the flow meter after being pressurized by the pump.

[0069] The oxidation deep treatment chamber includes an ozone catalytic oxidation device and a heterogeneous Feton oxidation device. The two technologies have their own advantages and disadvantages and have different treatment effects on different types of wastewater. In the actual application process, according to the wastewater situation, ozone technology or heterogeneous Feton technology is selected for treatment to achieve the purpose of good treatment effect and low operating cost. The effluent from the intermediate pool enters the deep treatment chamber. The two interfaces in the chamber are the ozone catalytic device interface and the heterogeneous Feton device interface. In actual application, one of the ozone catalytic oxidation device or the Feton device is selected as the deep treatment means, and they will not be used at the same time.

[0070] Water flow process of the ozone catalytic oxidation system: (1) The incoming water is first pressurized by the water inlet pump and then divided into two branches. One branch enters the water inlet regulating tank from the top through the flow meter, and the other branch returns to the front water inlet; (2) The effluent from the water inlet regulating tank is pressurized by the water outlet pump and then divided into two branches. One branch enters the safety filter through the flow meter, and the other branch returns to the water inlet regulating tank; 2 sets of dosing systems are pressurized by dosing pumps, and enter the water inlet regulating tank through the flow meter; (3) The effluent from the safety filter is pressurized by the pump and enters the ozone catalytic tower through the flow meter; (4) The effluent from the ozone catalytic tower enters the effluent tank by gravity; (5) The effluent from the effluent tank is pressurized by the deep treatment system reflux pump and then divided into two branches. One branch enters the water inlet regulating tank of the biochemical system from the top through the flow meter, and the other branch returns to the effluent tank.

[0071] The water flow process of the heterogeneous Fenton catalytic oxidation system: (1) The incoming water is first pressurized by the inlet pump and then divided into two branches. One branch enters the inlet regulating tank from the top through the flow meter, and the other branch returns to the front water; (2) The effluent from the inlet regulating tank is pressurized by the outlet pump and then divided into two branches. One branch enters the safety filter through the flow meter, and the other branch returns to the inlet regulating tank; 2 sets of dosing systems are pressurized by the dosing pumps, and enter the inlet regulating tank through the flow meter; (3) The effluent from the safety filter is pressurized by the pump and enters the Fenton catalytic tower through the flow meter; 1 set of dosing systems is pressurized by the dosing pumps, and enters the Fenton catalytic tower through the pipeline mixer; (4) The effluent from the Fenton catalytic tower enters the effluent tank by gravity. (5) The effluent from the effluent tank is pressurized by the deep treatment system reflux pump and then divided into two branches. One branch enters the biochemical system inlet regulating tank from the top through the flow meter, and the other branch returns to the effluent tank.

[0072] By designing each wastewater treatment chamber into a compact structure, it can not only meet the demand for treatment volume, but also meet the requirements of road transportation, thus adapting to various application scenarios. In addition, this also provides convenience for users to flexibly combine, so that more types of wastewater can be treated in a limited space. Table 1 shows the size parameters and treatment scale examples of each wastewater treatment chamber based on the above design.

[0073] Table 1 Dimensional parameters of wastewater treatment tank

[0074]

[0075] The combination of the pilot plant depends on the type of wastewater and the wastewater treatment process. According to the typical wastewater treatment process, take the wastewater raw water - pretreatment chamber - self-shielded irradiation chamber - irradiation post-treatment chamber - biochemical treatment chamber - oxidation deep treatment chamber - discharge and reuse wastewater treatment process as an example. Fig. 9 and Fig.10 As shown in the figure, the flow process of wastewater in the integrated wastewater treatment system is described:

[0076] (1) After the system is started, the wastewater enters the regulating buffer tank through the inlet pump of the pretreatment system.

[0077] The central controller can monitor and adjust the liquid level of the buffer tank, pipeline flow, pipeline pressure, electric valve opening, scraper operation status and water inlet pump operation status in real time; sludge pump operation status, pipeline pressure and sludge flow; outlet pump operation status, pipeline flow and pipeline pressure; real-time monitoring of the mixer operation status, pH value, sludge value, liquid level value and turbidity value of the high-efficiency sedimentation tank; backwash pump operation status, as well as pipeline pressure and flow; real-time monitoring of the liquid level of the intermediate water tank, the operation status of the outlet water pump, pipeline flow and pipeline pressure, and control whether the intermediate water tank outlet water pump is running according to the water level of the water tank of the next-level irradiation system.

[0078] Monitor the operating status of the dosing pump and agitator in real time, and remotely control the start and stop of the dosing pump and agitator as needed.

[0079] (2) After the system is started, the effluent from the pretreatment intermediate water tank flows into the water storage tank of the self-shielded irradiation cabin.

[0080] The central controller monitors in real time the opening and closing status of the water tank inlet solenoid valve, the water tank liquid level, the operating status of the water tank submersible pump, the opening of the water tank outlet electric valve, the water tank outlet pressure, and the water tank outlet flow rate.

[0081] After the water flows through the under-beam device, the central controller monitors the return water flow, the status of the return water double-outlet solenoid valve, and the opening of the storage box water inlet electric valve in real time, and controls whether the post-processing water inlet pump is running according to the liquid level of the storage box.

[0082] The central controller monitors the liquid level of the exhaust water tank, the operating status of the exhaust water tank submersible pump, and the opening and closing status of the exhaust solenoid valve in real time. When the water flow reaches the irradiation setting value, the system automatically controls the accelerator to emit electron beams, and the central controller monitors the accelerator data and operating status in real time.

[0083] (3) After the system is started, the water in the irradiation system storage box is pumped into the regulating tank of the post-treatment system through the water inlet pump. The central controller monitors the operating status of the water inlet pump and the water inlet pipe pressure, the water inlet valve opening, the liquid level and pH value of the regulating tank; the operating status of the regulating tank outlet pump, the pipeline pressure and flow value are monitored in real time; the operating status of the mixer in the reaction zone of the high-density sedimentation tank, the operating status of the mixer in the flocculation zone and the pH value of the flocculation zone are monitored in real time; the central controller monitors the operating status of the sludge pump in the sedimentation zone, the opening and closing status of the electric valve of the external discharge pipe, and the pressure value of the sludge discharge pipe in real time; the central controller monitors the high-density sedimentation tank in real time Liquid level value, sludge value and turbidity value; the central controller monitors the operating status of the dosing pump and agitator in the high-density sedimentation tank in real time, and can be remotely started and stopped according to needs; the central controller monitors the operating status of the agitator in the reaction zone of the neutralization and adjustment tank in real time, as well as the pH value; real-time monitoring of the liquid level in the mixing adjustment tank; the central controller monitors the operating status of the outlet water pump, the pressure and flow status of the outlet water pipeline in real time, and controls whether the outlet water pump is running according to the liquid level of the biochemical system inlet adjustment tank; the central controller monitors the operating status of the dosing pump and agitator in the neutralization and adjustment tank in real time, and can be remotely started and stopped according to needs.

[0084] After the system is started, the effluent from the neutralization regulating tank of the post-treatment system enters the inlet regulating tank through the inlet pump of the biochemical system inlet regulating tank. The central controller monitors the operating status of the inlet pump, pipeline pressure and flow, the opening and closing status of the electric valve, and the liquid level and pH value of the inlet regulating tank in real time; the central controller monitors the operating status of the outlet pump of the inlet regulating tank, as well as the pipeline pressure and flow; the central controller monitors the operating status of the agitator of the anoxic tank, ORP value, liquid level value, heater and underwater propeller in real time; the central controller monitors the dissolved oxygen value, pH value, Temperature value, operating status of heating temperature control device and aeration fan, flow value of aeration pipe; the central controller monitors the operating status of internal return sludge pump, pipeline pressure and flow value in real time; the central controller monitors the liquid level value of secondary sedimentation tank, operating status of sludge pump, pipeline flow and pressure value, opening and closing status of electric valve in real time; the central controller monitors the liquid level value of outlet pool, operating status of outlet water pump, outlet pipeline pressure and flow value in real time, and controls whether the outlet pump is running according to the liquid level of inlet regulating tank of deep treatment system; the central controller monitors the operating status of dosing pump and agitator of biochemical tank in real time.

[0085] (5) After the system is started, the effluent from the biochemical system effluent pool enters the ozone catalytic oxidation inlet regulating pool or the heterogeneous Fenton catalytic oxidation inlet regulating pool as needed;

[0086] Situation 1: The effluent from the biochemical system effluent pool enters the ozone catalytic oxidation inlet regulating pool. The central controller monitors the opening and closing of the inlet valve, the liquid level of the inlet regulating pool, the pH value, and the operating status of the agitator in the reaction zone in real time; the central controller monitors the operating status of the outlet pump of the regulating pool, the pipeline pressure and flow in real time; the central control monitors the operating status of the ozone generator, the ozone flow and ozone concentration in the ozone reaction tower in real time; the central control monitors the liquid level of the effluent pool, the operating status of the drainage / backwash water pump, and the pressure and flow of the outlet pipeline in real time; the central controller monitors the opening and closing status of the automatic valve of the backwash pipeline (branch line after the backwash water pump), the backwash aeration inlet automatic valve, the backwash outlet automatic valve and the tower top exhaust automatic valve, as well as the opening and closing status of the drainage automatic valve of the drainage pipeline; the central controller monitors the operating status of the dosing pump and the agitator of the inlet regulating pool in real time;

[0087] Case 2: The effluent from the biochemical system effluent tank enters the heterogeneous Fenton catalytic oxidation inlet regulating tank. The central controller monitors the opening and closing of the inlet valve, the liquid level of the inlet regulating tank, the pH value, and the operating status of the reaction zone agitator in real time; the central controller monitors the operating status of the regulating tank effluent pump, the pipeline pressure and flow in real time; the central controller monitors the operating status of the hydrogen peroxide dosing pump, the aeration air pump, and the aeration air flow in real time; the central control monitors the effluent tank level, the operating status of the drainage / backwash water pump, and the outlet pipeline pressure and flow in real time; the central controller monitors the backwash pipeline (back branch line of the backwash water pump) automatic valve, the backwash aeration inlet automatic valve, the backwash outlet automatic valve and the tower top exhaust automatic valve opening and closing status, as well as the drainage automatic valve of the drainage pipeline opening and closing status; the central controller monitors the operating status of the inlet regulating tank dosing pump and the agitator in real time.

[0088] Those skilled in the art can understand that, according to the water quality of the sewage to be treated, the pretreatment chamber and the irradiation post-treatment chamber can be selectively connected, and according to the type of sewage to be treated, the ozone catalytic oxidation device and the heterogeneous Feton oxidation device in the biochemical treatment chamber and the oxidation deep treatment chamber can be selectively connected. In one or more embodiments of the present invention, by separately designing each link of the wastewater treatment, it can be combined and applied for different wastewater treatment scenarios, and by independently designing it into a transportable chamber, each wastewater treatment chamber can be free from site restrictions, thereby improving utilization and saving costs.

[0089] According to the functional division of the integrated platform for treating wastewater by electron beam irradiation technology, the wastewater treatment system provided in one or more embodiments of the present invention is mainly composed of 7 major technical modules. The first is the core module electron beam irradiation module, which adopts a linear accelerator with an energy of 1 to 3 MeV and a power of no more than 2 kW, and uses a self-shielding structure design. Through the wastewater conveying device, the wastewater is continuously and quickly conveyed and irradiated with a specified irradiation dose to meet different irradiation treatment requirements. It has the characteristics of highly integrated accelerator, shielding and wastewater conveying system, movable, small size, and easy transportation; the second is the central control module, which can monitor and control the technical parameters of a single technical module in real time, and can also monitor and control the technical parameters of multiple technical modules in different combinations in real time, and has data recording and statistical analysis functions, including accelerator irradiation key parameters, wastewater conveying key parameters and related treatment parameters. The third is the pretreatment module, which can treat wastewater with high turbidity, and remove suspended matter in the wastewater through step-by-step treatment of the adjustment buffer tank, high-efficiency sedimentation tank, intermediate water tank and self-cleaning filter to meet the requirements of subsequent treatment technology. The fourth is the post-treatment module, which contains a coagulation sedimentation tank and a neutralization adjustment tank. The coagulation sedimentation tank can treat the irradiation post-treatment wastewater, remove the sediment produced in the wastewater, and adjust the wastewater quality conditions such as pH to meet the needs of subsequent treatment processes. The fifth is the biochemical treatment module, which contains an inlet adjustment tank, anoxic tank, aerobic tank, secondary sedimentation tank, sludge return device, etc., which can perform anoxic treatment, aerobic treatment and secondary sedimentation treatment for different wastewaters to achieve the purpose of removing wastewater pollutants. The sixth is the ozone catalytic oxidation technology module, which treats the effluent from biochemical treatment or electron beam irradiation, and adopts the form of an ozone catalytic oxidation tower to improve the gas-water mixing efficiency, achieve efficient mixing of ozone and wastewater, and achieve the purpose of effectively degrading and removing residual organic pollutants in the wastewater; the seventh is the heterogeneous Fenton oxidation technology module, which treats the effluent from biochemical treatment or electron beam irradiation, and adopts the form of a liquid fluidized bed. It uses the combined action of an oxidant (H2O2) and a heterogeneous Fenton catalyst to achieve the treatment of residual organic pollutants in the wastewater.

[0090] One or more embodiments of the present invention are based on a movable self-shielded irradiation system, and selectively connect a wastewater pretreatment system, an irradiation post-treatment system, a biochemical system, and a deep treatment system. The above systems are all integrated into a standard container, including a central control cabin, a self-shielded irradiation system cabin, a pretreatment cabin, a post-treatment cabin, a biochemical treatment cabin, and a deep treatment cabin. Each cabin has independent water inlet and outlet pipes, a complete water circulation pipeline, and an independent control system, and can be used and operated independently in different scenarios. Its miniaturization and compact structure are suitable for use in different application scenarios. Different technical modules can be combined according to the actual situation of the wastewater to form an efficient and cost-effective wastewater treatment implementation plan. In addition, the above cabins are managed and controlled by a highly integrated central control management system, and can be organically and flexibly combined into a composite wastewater treatment platform according to the water quality characteristics of the wastewater to be treated, forming a multifunctional, highly compatible, and highly efficient electron beam irradiation wastewater treatment integrated platform.

[0091] Although the above describes the specific implementation mode of the present invention in conjunction with the accompanying drawings, it is not intended to limit the scope of protection of the present invention. Those skilled in the art should understand that various modifications or variations that can be made by those skilled in the art on the basis of the technical solution of the present invention without creative work are still within the scope of protection of the present invention.

Claims

1. An electron beam irradiation integrated wastewater treatment system, characterized in that: It includes a self-shielded irradiation cabin and at least one other wastewater treatment cabin. Each wastewater treatment cabin is provided with a standardized water outlet interface and a water inlet interface for connecting with other wastewater treatment cabins through pipelines to form a multi-stage wastewater treatment system.

2. The electron beam irradiation integrated wastewater treatment system according to claim 1, characterized in that: Each wastewater treatment chamber is provided with a chamber control system, and wastewater transmission control elements and monitoring elements connected to the chamber control system; the system also includes a central controller capable of establishing connection with each chamber control system in the multi-stage wastewater treatment system.

3. The electron beam irradiation integrated wastewater treatment system according to claim 1, characterized in that: The system also includes a host monitoring system and / or a voice broadcasting system connected to the central controller.

4. The electron beam irradiation integrated wastewater treatment system according to claim 1, characterized in that: The system also includes a video surveillance system, with cameras installed in each wastewater treatment chamber for monitoring key equipment.

5. The electron beam irradiation integrated wastewater treatment system according to claim 1, characterized in that: The self-shielded irradiation cabin includes a water storage tank, a receiving water tank, an accelerator and an irradiation water box; the water inlet interface of the self-shielded irradiation cabin is connected to the first water inlet of the water storage tank via a water inlet pipeline, the first water outlet of the water storage tank is connected to the water inlet of the irradiation water box via a first pipeline, the water outlet of the irradiation water box is connected to the water inlet of the receiving water tank via a second pipeline, the first water outlet of the receiving water tank is connected to the water outlet interface of the self-shielded irradiation cabin; the second water outlet of the receiving water tank is connected to the second water inlet of the water storage tank via a self-circulation pipeline.

6. The electron beam irradiation integrated wastewater treatment system according to claim 5, characterized in that: The second pipeline is also provided with a branch pipeline connected to the third water inlet of the water storage tank. A directional control valve is provided at the branch to control the wastewater passing through the irradiated water box to flow to the water storage tank or the receiving water tank.

7. The electron beam irradiation integrated wastewater treatment system according to claim 5, characterized in that: The irradiated water box is also provided with another water outlet connected to the water inlet of the wastewater recovery tank; the water outlet of the wastewater recovery tank is connected to the third water inlet of the water storage tank via a third channel.

8. The electron beam irradiation integrated wastewater treatment system according to claim 5, characterized in that: The accelerator and the irradiation water box are provided with an irradiation shielding structure outside; the irradiation shielding structure comprises an upper shielding body and a lower shielding body, the upper shielding body is arranged around the accelerator; the lower shielding body has an internal cavity for placing the irradiation water box; in the shielding structure, the outer wall thickness of each local area is different.

9. The electron beam irradiation integrated wastewater treatment system according to claim 1, characterized in that: The other wastewater treatment chambers include a pretreatment chamber, an irradiation post-treatment chamber, a biochemical system chamber and an oxidation deep treatment chamber.

10. A control method for the integrated wastewater treatment system by electron beam irradiation as claimed in any one of claims 1 to 9, applied to a central controller, characterized in that: The method comprises: In response to the start-stop control command, control the start and stop of each level of wastewater treatment system, monitor the operating status of each level of wastewater treatment system in real time based on the monitoring element, and in response to the adjustment parameters of the wastewater transmission control element, control the wastewater transmission flow and direction in the corresponding cabin; Among them, the start-stop control instructions are automatically generated based on preset start-stop conditions, and the preset start-stop conditions include water outlet and water inlet conditions of each wastewater treatment chamber.

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