Modular system for wastewater treatment plant individual wastewater treatment equipment and method of use

Abstract

The application discloses a modular single sewage treatment device for sewage treatment plants and a use method, the device body is sequentially provided with a water inlet tank, a filtering cavity, an anaerobic cavity, an anoxic cavity, an aerobic cavity, a membrane reaction cavity, a disinfection cavity and a volatile cavity, each cavity is connected through an overflow tank and an overflow pipe to realize smooth water flow transition, the water inlet tank is provided with a slow flow plate, the filtering cavity is provided with a sieve plate and a waste discharge device, the anaerobic cavity and the anoxic cavity respectively utilize phosphorus accumulating bacteria and denitrifying bacteria to treat sewage, the aerobic cavity provides an aerobic environment through a gas explosion disc and is provided with a reflux device to realize cooperative treatment, the membrane reaction cavity is used for deep filtration through MBR membranes, the disinfection cavity guarantees disinfection effect through a disinfectant pump and a stirring device, and the volatile cavity removes volatile substances through a water dripping part and an exhaust fan. Through modular design and reasonable layout, the device realizes cooperative operation of each cavity, effectively improves sewage treatment efficiency and quality, and can better meet the demand of sewage treatment plants.

Description

Technical Field

[0001] This invention belongs to the field of wastewater treatment technology, specifically relating to a modular wastewater treatment device for individual wastewater treatment plants and its usage method. Background Technology

[0002] Wastewater treatment equipment uses a variety of technologies, including physical, chemical, and biological methods, to separate, degrade, and remove pollutants from wastewater in order to achieve water purification. Its main function is to remove suspended solids, organic matter, heavy metals, nitrogen, phosphorus, and other pollutants from different types of wastewater, such as domestic sewage and industrial wastewater, through processes such as interception, sedimentation, filtration, oxidation, and disinfection. This ensures that the treated water meets the discharge standards of environmental protection regulations or meets the reuse requirements for industrial production, municipal miscellaneous uses, and landscape water. Different types of equipment have their own characteristics in terms of structure, process, and operation, but they all have the core purpose of achieving wastewater purification and play an important role in environmental protection and water resource recycling.

[0003] However, the existing equipment's filtration, anaerobic, anoxic, and aerobic treatment stages are relatively independent and lack an effective collaborative working mechanism, making the entire wastewater treatment process inconsistent and difficult to achieve efficient and stable wastewater treatment. Secondly, the coordinated operation of disinfectant pumps and water pumps is slow, requiring manual repeated testing of wastewater and repeated operation of disinfectant pumps, making the process cumbersome. Summary of the Invention

[0004] The purpose of this invention is to provide a modular wastewater treatment device and its usage method for a single wastewater treatment plant, in order to solve the problem mentioned in the background art that the existing equipment has relatively independent treatment processes such as filtration, anaerobic, anoxic, and aerobic treatment, lacking an effective collaborative working mechanism, which makes the entire wastewater treatment process not coherent and difficult to achieve efficient and stable wastewater treatment.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a modular wastewater treatment device for a single wastewater treatment plant, comprising a main body of the wastewater treatment device;

[0006] An inlet tank is provided on the right side of the main body of the sewage treatment equipment, a waste discharge pipe is provided on the left side of the bottom of the main body of the sewage treatment equipment, and an outlet is provided on the right side of the bottom of the main body of the sewage treatment equipment.

[0007] A filtration chamber is located on the right side of the water inlet tank, an anaerobic chamber is located on the right side of the filtration chamber, an anoxic chamber is located on the right side of the anaerobic chamber, an aerobic chamber is located on the right side of the anoxic chamber, a membrane reaction chamber is located on the side of the aerobic chamber, a disinfection chamber is located on the left side of the membrane reaction chamber, and a volatilization chamber is located on the left side of the disinfection chamber.

[0008] Preferably, an overflow trough is provided above the side of the filtration chamber, anaerobic chamber, anoxic chamber, aerobic chamber, membrane reaction chamber and disinfection chamber, and an overflow pipe is provided behind the overflow trough, with the outlet of the overflow pipe located at the bottom of the next chamber.

[0009] Preferably, a flow-damping plate is provided inside the water inlet tank, and the flow-damping plates are arranged alternately. The bottom of the water inlet tank is connected to the filter chamber.

[0010] Preferably, a sieve plate is provided at the middle position inside the filter chamber, a discharge hopper is provided at the bottom position of the filter chamber, a water pump is provided at the bottom position of the discharge hopper, and the water pump is connected to a waste discharge pipe.

[0011] Preferably, a drip element is provided at the upper part of the evaporation chamber, a main pipe is provided at the middle part of the drip element, a horizontal pipe is connected in an array below the main pipe, drip holes are arrayed at the bottom of the horizontal pipe, support rods are provided on the left and right sides of the main pipe, an exhaust fan is provided at the top of the evaporation chamber, and a water outlet ramp is provided at the bottom of the evaporation chamber, the water outlet ramp is connected to the outer water outlet.

[0012] Preferably, a disinfectant pump is installed on the right side of the disinfection chamber, a connecting pipe is installed at the bottom of the disinfectant pump, and a drain pipe is connected to the bottom of the connecting pipe. A stirring motor is installed in the middle of the disinfection chamber, and a stirring rod is installed at the bottom of the stirring motor. The disinfected water is pumped into the dripping part of the evaporation chamber by the water pump.

[0013] Preferably, an aeration plate is provided at the middle position inside the aerobic chamber, and a discharge hopper is provided at the bottom position of the aeration plate.

[0014] Preferably, a second water pump is provided at the bottom of the second discharge hopper, and a return pipe is provided at the bottom of the second water pump, the return pipe being connected to the bottom of the anoxic chamber.

[0015] Preferably, polyphosphate-accumulating bacteria are installed inside the anaerobic chamber, denitrifying bacteria are installed inside the anoxic chamber, an MBR membrane is installed inside the membrane reaction chamber, a discharge hopper three is installed at the bottom of the membrane reaction chamber, a water pump three is installed at the bottom of the discharge hopper three, and a waste discharge pipe two is also installed on the right side of the water pump three.

[0016] Preferably, the bottom of the anaerobic chamber, the anoxic chamber, and the disinfection chamber are all equipped with a guide pipe, and a tail material pump is installed to transport the material to the waste discharge pipe.

[0017] The overflow pipe inside the disinfection chamber is provided with a guide groove, and a float plate is slidably installed outside the guide groove; a central hole is provided in the middle of the float plate for the stirring rod and stirring blade to pass through.

[0018] A buoyancy column is installed on the float plate, and an air bladder is installed on the buoyancy column; a trigger switch is installed on the top of the position plate, and the trigger end of the trigger switch extends through the position plate to the bottom of the position plate, and the bottom height is higher than the bottom height of the pipe of the four input terminals of the water pump at the bottom of the position plate.

[0019] The buoyancy column includes a guide rod and a guide sleeve. The top of the guide rod passes through the guide sleeve to the top of the position plate, and the guide sleeve is built into the position plate. An airbag is installed on the guide rod. An inflation tube is installed at the input end of the airbag and extends through the guide sleeve and is equipped with a pressure holding valve and a reversing valve. The reversing valve has an air inlet pipe and an air outlet pipe to the outside.

[0020] The airbag is provided with a top ring at the top, which is located below the trigger end of the trigger switch and is used to move and abut the trigger end of the trigger switch as the guide rod rises.

[0021] Compared with the prior art, the present invention provides a modular wastewater treatment device for a single wastewater treatment plant, which has the following advantages:

[0022] 1. The system comprises a filtration chamber, anaerobic chamber, anoxic chamber, aerobic chamber, membrane reaction chamber, disinfection chamber, overflow trough, overflow pipe, flow slowing plate, sieve plate, drip edge, main pipe, horizontal pipe, drip hole, support rod, exhaust fan, outlet ramp, disinfectant pump, connecting pipe, drain pipe, stirring motor, and stirring rod. An overflow trough is installed above and to the sides of the filtration chamber, anaerobic chamber, anoxic chamber, aerobic chamber, membrane reaction chamber, and disinfection chamber, with an overflow pipe installed behind it. The overflow pipe outlet is located at the bottom of the next chamber. This design ensures that the water level in each chamber reaches a certain level. At a constant height, a smooth overflow is achieved, allowing water to flow smoothly and stably into the next treatment chamber. This avoids damage to the internal treatment environment of each chamber due to excessively high water levels or excessive water flow impact, ensuring the continuity and stability of the wastewater treatment process. The staggered flow-damping plates within the inlet tank effectively slow down the inlet water flow velocity, allowing the wastewater entering the equipment to transition more smoothly to subsequent treatment stages. This prevents high-speed water flow from impacting the internal structure and treatment processes of chambers such as the filter chamber, facilitating higher efficiency in subsequent filtration and biological treatment stages. The filtration chamber effectively filters wastewater by using a screen plate in the middle to intercept large particles, protecting the treatment environment of subsequent chambers. A discharge hopper and connected pump at the bottom promptly discharge filtered impurities through a waste pipe, preventing accumulation that could affect filtration and equipment operation. The drip system in the evaporation chamber, with its main pipe, horizontal pipe, and drip holes, allows water to fall slowly in a dispersed manner, increasing the contact area between water and air. Combined with the exhaust fan at the top, this accelerates the evaporation of volatile substances in the water. The inclined outlet plate at the bottom facilitates the smooth flow of treated water to the outlet, improving the efficiency and effectiveness of evaporation treatment. In the disinfection chamber, a disinfectant pump precisely injects disinfectant into the wastewater through connecting and drain pipes. A stirring motor in the middle drives a stirring rod to thoroughly mix the disinfectant and wastewater, ensuring uniformity and effectiveness of disinfection. The disinfected water is then pumped into the drip system in the evaporation chamber by a pump, effectively connecting the disinfection and evaporation processes and further improving the overall quality of wastewater treatment.

[0023] 2. Through the arrangement of the aeration disc, discharge hopper II, water pump II, and return pipe, the aeration disc, positioned in the center of the aerobic chamber, evenly introduces air into the surrounding wastewater, providing sufficient dissolved oxygen for aerobic microorganisms and creating a favorable aerobic environment. This helps aerobic microorganisms efficiently decompose organic matter in wastewater, converting it into harmless substances such as carbon dioxide and water, thereby significantly improving the removal efficiency of organic matter in wastewater and enhancing the overall wastewater treatment effect. Discharge hopper II and water pump II are located at the bottom of the aerobic chamber. Discharge hopper II effectively collects impurities and some sludge generated during the treatment process, while water pump II promptly discharges these substances or performs subsequent treatments, preventing the accumulation of impurities and sludge in the aerobic chamber. Accumulation and maintenance of a stable treatment environment within the aerobic chamber ensures the continuous and stable operation of the aerobic treatment process. The return pipe connected to pump two is connected to the bottom of the anoxic chamber. This design constructs an effective internal circulation system. Through the return pipe, some of the treated wastewater in the aerobic chamber can flow back to the bottom of the anoxic chamber. The returned wastewater contains certain microbial metabolites, which can provide a suitable environment and material conditions for the denitrification reaction in the anoxic chamber, enhance the denitrification effect, and improve the removal capacity of nitrogen from the wastewater. At the same time, this circulation also helps to maintain the balance and stability of the microbial community in the entire wastewater treatment system, enabling the chambers to work together and improving the overall treatment efficiency of the wastewater treatment equipment. Attached Figure Description

[0024] Figure 1 This is a schematic diagram of the structure of the present invention;

[0025] Figure 2 This is a schematic diagram of the internal structure of the water inlet tank, filter chamber, anaerobic chamber, anoxic chamber and aerobic chamber in this invention;

[0026] Figure 3 This is a schematic diagram of the structure of the membrane reaction chamber, sterilization chamber, and evaporation chamber in this invention;

[0027] Figure 4 This is a schematic diagram of the dripping component in this invention;

[0028] Figure 5 This is a schematic diagram of the internal structure of another water inlet tank, filter chamber, anaerobic chamber, anoxic chamber and aerobic chamber of the present invention;

[0029] Figure 6 This is a schematic diagram of another membrane reaction chamber, sterilization chamber, and evaporation chamber according to the present invention;

[0030] Figure 7 This is a schematic diagram of the position plate and floating plate structure of the present invention. Figure 1 ;

[0031] Figure 8 for Figure 7 Enlarged view of part A;

[0032] Figure 9 This is a schematic diagram of the position plate and floating plate structure of the present invention. Figure 2 .

[0033] In the picture:

[0034] 1. Main body of wastewater treatment equipment; 21. Waste discharge pipe one; 22. Waste discharge pipe two; 3. Inlet tank; 4. Filtration chamber; 5. Anaerobic chamber; 6. Anoxic chamber; 7. Aerobic chamber; 8. Membrane reaction chamber; 9. Disinfection chamber; 10. Volatilization chamber;

[0035] 11. Flow buffer plate; 121. Water pump one; 122. Water pump two; 123. Water pump three; 124. Water pump four; 13. Screen plate; 14. Overflow trough; 15. Overflow pipe; 16. Aeration plate; 171. Discharge hopper one; 172. Discharge hopper two; 173. Discharge hopper three; 18. Return pipe; 19. Disinfectant pump; 20. Agitator motor; 21. Drain pipe; 22. Agitator motor; 23. Agitator rod; 24. Water outlet inclined plate; 25. Water outlet; 26. Drip element;

[0036] 27. Main pipe; 28. Support rod; 29. ​​Horizontal pipe; 30. Drip hole; 31. Exhaust fan; 32. MBR membrane;

[0037] 33. Guide pipe; 34. Tail feed pump; 151. Guide channel;

[0038] 91. Position plate; 92. Floating plate; 93. Center hole; 94. Trigger switch;

[0039] 10. Buoyancy column; 101. Airbag; 102. Guide rod; 103. Guide sleeve; 104. Inflation tube; 105. Pressure holding valve; 106. Reversing valve; 107. Inlet pipe; 108. Exhaust pipe; 109. Top ring; Detailed Implementation

[0040] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0041] Example 1

[0042] This invention provides, for example Figure 1-4 The illustration shows a modular wastewater treatment equipment for a single wastewater treatment plant, including a wastewater treatment equipment body 1;

[0043] A water inlet trough 3 is provided on the right side inside the main body 1 of the sewage treatment equipment; a waste discharge pipe 21 is provided on the left side of the bottom of the main body 1 of the sewage treatment equipment; and a water outlet 25 is provided on the right side of the bottom of the main body 1 of the sewage treatment equipment.

[0044] A filtration chamber 4 is located on the right side of the inlet tank 3. An anaerobic chamber 5 is located on the right side of the filtration chamber 4. An anoxic chamber 6 is located on the right side of the anaerobic chamber 5. An aerobic chamber 7 is located on the right side of the anoxic chamber 6. A membrane reaction chamber 8 is located on the side of the aerobic chamber 7. A disinfection chamber 9 is located on the left side of the membrane reaction chamber 8. A volatilization chamber 10 is located on the left side of the disinfection chamber 9.

[0045] An overflow trough 14 is provided on the upper side of the filtration chamber 4, anaerobic chamber 5, anoxic chamber 6, aerobic chamber 7, membrane reaction chamber 8 and disinfection chamber 9. An overflow pipe 15 is provided on the rear side of the overflow trough 14. The outlet of the overflow pipe 15 is located at the bottom of the next chamber.

[0046] A flow-damping plate 11 is installed inside the water inlet tank 3. The flow-damping plates 11 are arranged in an alternating manner. The bottom of the water inlet tank 3 is connected to the filter chamber 4.

[0047] A sieve plate 13 is provided in the middle of the filter chamber 4, and a discharge hopper 171 is provided at the bottom of the filter chamber 4. A water pump 121 is provided at the bottom of the discharge hopper 171 and is connected to the waste discharge pipe 21.

[0048] A dripping element 26 is provided at the upper part of the evaporation chamber 10. A main pipe 27 is provided at the middle part of the dripping element 26. A horizontal pipe 29 is connected in an array below the main pipe 17. Drip holes 30 are arrayed at the bottom of the horizontal pipe 29. Support rods 28 are provided on the left and right sides of the main pipe 27. An exhaust fan 31 is provided at the top of the evaporation chamber 10. A water outlet ramp 24 is provided at the bottom of the evaporation chamber 10. The water outlet ramp 24 is connected to the outer water outlet 25.

[0049] A disinfectant pump 19 is installed on the right side inside the disinfection chamber 9. A connecting pipe is installed at the bottom of the disinfectant pump 19, and a drain pipe 21 is connected to the bottom of the connecting pipe. A stirring motor 22 is installed in the middle of the disinfection chamber 9, and a stirring rod 23 is installed at the bottom of the stirring motor 22. The disinfected water is pumped into the dripping part 26 of the evaporation chamber 10 through the water pump 4 124.

[0050] An aeration plate 16 is installed in the middle of the aerobic chamber 7, and a discharge hopper 172 is installed at the bottom of the aeration plate 16.

[0051] A water pump 122 is installed at the bottom of the discharge hopper 2 172, and a return pipe 18 is installed at the bottom of the water pump 2 122. The return pipe 18 is connected to the bottom of the oxygen-deficient chamber 6.

[0052] Polyphosphate-accumulating bacteria are installed inside the anaerobic chamber 5, denitrifying bacteria are installed inside the anoxic chamber 6, an MBR membrane 32 is installed inside the membrane reaction chamber 8, a discharge hopper 3 173 is installed at the bottom of the membrane reaction chamber 8, a water pump 3 123 is installed at the bottom of the discharge hopper 3 173, and a waste discharge pipe 22 is also installed on the right side of the water pump 3 123.

[0053] In this embodiment, a modular wastewater treatment unit for a wastewater treatment plant is implemented as follows: Wastewater first flows into the inlet tank 3 on the right side inside the main body 1 of the wastewater treatment unit. The staggered flow-damping plates 11 within the inlet tank 3 slow the flow rate of the wastewater, allowing it to enter the subsequent treatment stages more smoothly. Simultaneously, the bottom of the inlet tank 3 is connected to the filter chamber 4, through which the wastewater flows. In the filter chamber 4, the wastewater passes through the screen plate 13 in the middle, which intercepts larger particles of impurities. The discharge hopper 171 at the bottom of the filter chamber 4 collects these impurities. A water pump 121 at the bottom of the discharge hopper 171 discharges the impurities through the waste discharge pipe 21. The pre-filtered wastewater continues to flow into the anaerobic chamber 5 on the right side. After entering the anaerobic chamber 5, the wastewater undergoes anaerobic treatment using polyphosphate-accumulating bacteria (PABs) within the chamber. These PPBs decompose organic matter in the wastewater under anaerobic conditions, releasing phosphorus and removing some pollutants. The treated wastewater then flows through an overflow trough 14 on the side of the anaerobic chamber 5 and an overflow pipe 15 into the next chamber—the anoxic chamber 6. The outlet of the overflow pipe 15 is located at the bottom of the anoxic chamber 6, ensuring a smooth water flow. In the anoxic chamber 6, denitrifying bacteria further treat the wastewater. These bacteria use organic matter as a carbon source to reduce nitrate nitrogen to nitrogen gas, thus removing nitrogen from the wastewater. The wastewater, having completed anoxic treatment, flows into the aerobic chamber 7 through the overflow trough 14 and overflow pipe 15 on the side of this chamber. An aeration plate 16 located in the middle of the aerobic chamber 7 introduces air into the wastewater, providing a suitable aerobic environment for microorganisms. Under aerobic conditions, the microorganisms further decompose the organic matter in the wastewater, converting it into harmless substances such as carbon dioxide and water. A water pump 122 connected to the discharge hopper 172 at the bottom of the aerobic chamber 7 returns a portion of the wastewater to the bottom of the anoxic chamber 6 via the return pipe 18, achieving synergistic operation of the aerobic and anoxic treatment processes. The remaining wastewater flows into the membrane reactor 8 via the overflow trough 14 and overflow pipe 15. The membrane reactor 8 is equipped with an MBR membrane 32, which further filters and separates the wastewater, removing fine particles, bacteria, and other pollutants to improve water quality. The discharge hopper 173 at the bottom of the membrane reactor 8 connects to… Pump 3 (123) discharges part of the treated wastewater through waste pipe 22, while the remaining wastewater flows into disinfection chamber 9. Inside disinfection chamber 9, disinfectant pump 19 on the right side injects disinfectant into the wastewater through connecting pipe and drain pipe 21. Simultaneously, stirring motor 22 in the middle of the chamber drives stirring rod 23 to agitate the wastewater, ensuring uniform mixing of the disinfectant and effectively killing bacteria and other harmful substances in the wastewater. The disinfected water is then pumped by pump 4 (124) into the drip element 26 of evaporation chamber 10. The water entering evaporation chamber 10 is distributed to various horizontal pipes 29 through the main pipe 27 of drip element 26 and drips from the drip holes 30 at the bottom of the horizontal pipes 29. The exhaust fan 31 at the top of evaporation chamber 10 operates, accelerating the evaporation process and removing volatile substances from the water.After evaporation treatment, the water flows along the bottom outlet ramp 24 to the outer outlet 25, and is finally discharged in compliance with standards.

[0054] like Figure 1 and Figure 3-4 As shown, overflow troughs 14 are installed on the upper side of the filtration chamber 4, anaerobic chamber 5, anoxic chamber 6, aerobic chamber 7, membrane reaction chamber 8, and disinfection chamber 9. An overflow pipe 15 is installed behind the overflow trough 14, with its outlet located at the bottom of the next chamber. A flow-slowing plate 11 is installed inside the inlet trough 3, with the plates staggered. The bottom of the inlet trough 3 is connected to the filtration chamber 4. A sieve plate 13 is installed in the middle of the filtration chamber 4. A discharge hopper 171 is installed at the bottom of the filtration chamber 4, and a water pump 121 is installed at the bottom of the discharge hopper 171, connected to a waste discharge pipe 21. A dripping element 26 is installed above the evaporation chamber 10, with a dripping element 26 located in the middle of its interior. A main pipe 27 is provided, and a horizontal pipe 29 is arrayed below the main pipe 27. A drip hole 30 is arrayed at the bottom of the horizontal pipe 29. Support rods 28 are provided on the left and right sides of the main pipe 27. An exhaust fan 31 is provided at the top of the evaporation chamber 10. A water outlet ramp 24 is provided at the bottom of the evaporation chamber 10 and is connected to the outer water outlet 25. A disinfectant pump 19 is provided on the right side inside the disinfection chamber 9. A connecting pipe is provided at the bottom of the disinfectant pump 19 and a drain pipe 21 is connected to the bottom of the connecting pipe. A stirring motor 22 is provided in the middle of the disinfection chamber 9. A stirring rod 23 is provided at the bottom of the stirring motor 22. The disinfected water is pumped into the drip element 26 of the evaporation chamber 10 by the water pump 4 124.

[0055] Preferably, overflow troughs 14 are provided above the sides of the filtration chamber 4, anaerobic chamber 5, anoxic chamber 6, aerobic chamber 7, membrane reaction chamber 8, and disinfection chamber 9, with overflow pipes 15 installed behind them. The outlet of the overflow pipe 15 is located at the bottom of the next chamber. This design ensures stable overflow when the water level in each chamber reaches a certain height, allowing the water to flow smoothly and stably into the next treatment chamber. This avoids damage to the internal treatment environment of each chamber due to excessively high water levels or excessive water flow impact, ensuring the continuity and stability of the wastewater treatment process. The staggered flow-damping plates 11 in the inlet trough 3 effectively slow down the inlet water flow rate, allowing the wastewater entering the equipment to transition more smoothly to subsequent treatment stages. This avoids the impact of high-speed water flow on the internal structure and treatment process of the filtration chamber 4 and other chambers, facilitating more efficient subsequent filtration and biochemical treatment stages. The sieve plate 13 installed in the middle of the filtration chamber 4 can intercept large particulate impurities in the wastewater, playing a preliminary filtration role and protecting the treatment environment of subsequent chambers. The discharge hopper 171 and the connected water pump 121 can promptly discharge the filtered impurities through the waste discharge pipe 21, preventing the accumulation of impurities from affecting the filtration effect and equipment operation. The dripping element 26 in the evaporation chamber 10, through the design of the main pipe 27, horizontal pipe 29 and dripping hole 30, allows the water to fall slowly in a dispersed form, increasing the contact area between water and air. Combined with the exhaust fan 31 at the top, it accelerates the evaporation of volatile substances in the water. The water outlet inclined plate 24 at the bottom facilitates the smooth flow of treated water to the outlet 25, improving the efficiency and effect of evaporation treatment. The disinfectant pump 19 in the disinfection chamber 9 accurately injects disinfectant into the sewage through the connecting pipe and the drain pipe 21. The stirring motor 22 in the middle position drives the stirring rod 23 to stir, so that the disinfectant and sewage are fully mixed, ensuring the uniformity and effectiveness of the disinfection effect. The disinfected water is pumped into the dripping element 26 in the evaporation chamber 10 through the water pump 124, realizing the effective connection between the disinfection and evaporation links, and further improving the overall quality of sewage treatment.

[0056] like Figure 1 and Figure 2 As shown, an aeration plate 16 is installed in the middle of the aerobic chamber 7, a discharge hopper 172 is installed at the bottom of the aeration plate 16, a water pump 122 is installed at the bottom of the discharge hopper 172, and a return pipe 18 is installed at the bottom of the water pump 122. The return pipe 18 is connected to the bottom of the anoxic chamber 6.

[0057] Preferably, the aeration disc 16 is positioned in the middle of the aerobic chamber 7, which can evenly fill the surrounding sewage with air, providing sufficient dissolved oxygen for aerobic microorganisms and creating a good aerobic environment. This helps aerobic microorganisms efficiently decompose organic matter in sewage, converting it into harmless substances such as carbon dioxide and water, thereby significantly improving the removal efficiency of organic matter in sewage and enhancing the overall sewage treatment effect. The bottom of the aerobic chamber 7 is equipped with a discharge hopper 2 172 and a water pump 2 122. The discharge hopper 2 172 can effectively collect impurities and some sludge generated during the treatment process, while the water pump 2 122 can promptly discharge these substances or perform subsequent treatment, preventing the large accumulation of impurities and sludge in the aerobic chamber 7 and maintaining aerobic conditions. The stable treatment environment inside chamber 7 ensures the continuous and stable operation of the aerobic treatment process. The return pipe 18 connected to pump 2122 is connected to the bottom of anoxic chamber 6. This design creates an effective internal circulation system. Through the return pipe 18, some of the treated wastewater in aerobic chamber 7 can flow back to the bottom of anoxic chamber 6. The returned wastewater contains certain microbial metabolites, which can provide a suitable environment and material conditions for the denitrification reaction in anoxic chamber 6, enhance the denitrification effect, and improve the removal capacity of nitrogen in wastewater. At the same time, this circulation also helps to maintain the balance and stability of the microbial community in the entire wastewater treatment system, enabling the chambers to work together and improving the overall treatment efficiency of the wastewater treatment equipment.

[0058] like Figure 1-4 As shown, polyphosphate-accumulating bacteria are installed inside the anaerobic chamber 5, denitrifying bacteria are installed inside the anoxic chamber 6, an MBR membrane 32 is installed inside the membrane reaction chamber 8, a discharge hopper 3 173 is installed at the bottom of the membrane reaction chamber 8, a water pump 3 123 is installed at the bottom of the discharge hopper 3 173, and a waste discharge pipe 22 is also installed on the right side of the water pump 3 123.

[0059] Optionally, polyphosphate-accumulating bacteria (PABs) can be placed inside the anaerobic chamber 5. PABs can release stored phosphorus in an anaerobic environment. After wastewater enters the anaerobic chamber 5, PABs utilize readily biodegradable organic matter in the wastewater as a carbon source, decomposing polyphosphates within their cells and releasing orthophosphates through metabolic activities. This creates conditions for subsequent aerobic phosphorus uptake. This process not only helps remove some organic matter from the wastewater but also lays the foundation for the phosphorus removal stage of the entire wastewater treatment system, allowing PABs to excessively absorb phosphorus under subsequent aerobic conditions, thereby effectively reducing the phosphorus content in the wastewater and improving the phosphorus removal efficiency of wastewater treatment. Denitrifying bacteria are placed inside the anoxic chamber 6. Denitrifying bacteria utilize organic matter in the wastewater as a carbon source under anoxic conditions. Using nitrates or nitrites as electron donors and nitrites as electron acceptors, denitrification reactions are carried out. The metabolic activities of denitrifying bacteria effectively remove nitrogen from wastewater. The use of MBR membranes greatly improves sludge-water separation efficiency, eliminates the need for complex sedimentation and filtration equipment, simplifies the process, enhances the wastewater treatment system's ability to degrade organic matter, and improves treatment efficiency and effect. A discharge hopper 3 173 is set at the bottom of the membrane reaction chamber 8, which can collect impurities, residual sludge and other substances generated during the membrane reaction process in a timely manner. The water pump 3 123 connected to the bottom of the discharge hopper 3 173 can discharge these collected substances into the membrane reaction chamber 8 through the waste discharge pipe 2 on the right side, maintaining the high-efficiency treatment capacity of the wastewater treatment system.

[0060] Example 2

[0061] like Figure 5-9 As shown, this is another embodiment of the present invention, based on embodiment 1, as follows: Figure 5 and 6 As shown, the bottoms of the anaerobic chamber 5, the anoxic chamber 6, and the disinfection chamber 9 are all equipped with a guide pipe 33, and a tailings pump 34 is installed to transport the wastewater to the first waste discharge pipe 21. Based on the principle of communicating vessels, when wastewater tailings are present, they may not be able to be discharged into the next chamber through the overflow pipe, resulting in accumulation and inability to discharge wastewater. To solve the aforementioned problem, this invention installs a guide pipe at the bottom of the chamber where wastewater cannot be discharged independently, pumping it back into the first waste discharge pipe, and enhances the flowability through the tailings pump.

[0062] like Figure 6 As shown, an overflow pipe 15 in the disinfection chamber 9 has a guide groove 151 on its outside, and a float plate 92 is slidably installed on the outside of the guide groove 151; a central hole 93 is provided in the middle of the float plate 92 for the stirring rod 23 and stirring blade to pass through.

[0063] like Figure 9 As shown, a buoyancy column 10 is installed on the float plate 92, and an airbag 101 is installed on the buoyancy column 10; a trigger switch 94 is installed on the top of the position plate 91, and the trigger end of the trigger switch 94 extends through the position plate 91 to the bottom of the position plate 91, and the bottom height is higher than the bottom height of the pipe of the input end of the water pump 124 at the bottom of the position plate 91.

[0064] The buoyancy column 10 includes a guide rod 102 and a guide sleeve 103. The top of the guide rod 102 passes through the guide sleeve 103 to the top of the position plate 91. The guide sleeve 103 is built into the position plate 91. An airbag 101 is installed on the guide rod 102. An inflation tube 104 is installed at the input end of the airbag 101 and extends through the guide sleeve 103 and is equipped with a pressure holding valve 105 and a reversing valve 106. The reversing valve 106 has an air inlet pipe 107 and an exhaust pipe 108 to the outside.

[0065] A top ring 109 is provided on the top of the airbag 101. The top ring 109 is located below the trigger end of the trigger switch 94 and is used to move and abut the trigger end of the trigger switch 94 as the guide rod 102 rises. When the buoyancy increases, it continuously pushes the float plate upward and moves along the guide groove; the top ring abuts the top trigger switch, and the trigger switch emits a signal to indicate to external personnel that the water level has reached and that continuous pumping of disinfectant for sewage treatment has begun. This can be used to control the on / off switch of the disinfectant pump. At this time, because there is gas in the airbag, the buoyancy is large, and it continuously abuts the trigger switch and continues to work. After the staff detects that the sewage treatment meets the standards, the gas is discharged through the reversing valve controlled by the external controller, the airbag shrinks, the trigger switch is deactivated, and the disinfectant pump is turned off. The fourth water pump starts working to pump the disinfected water into the evaporation chamber, ensuring that the disinfection standard is met before controlling the discharge. This invention uses the buoyancy of the airbag to abut the trigger switch to continuously pump in disinfectant. Combined with the online monitoring module, the detection frequency can be reduced, and the control linkage between the disinfectant pump and the fourth water pump can be achieved.

[0066] Finally, it should be noted that the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A modular wastewater treatment unit for a wastewater treatment plant, comprising a wastewater treatment unit body (1). The main body (1) of the sewage treatment equipment is provided with an inlet tank (3) on the top of one side and a waste discharge pipe (21) on the bottom of the same side. The main body (1) of the sewage treatment equipment is provided with an outlet (25) at the tail end. Its features are: The inlet tank (3) is connected to a filter chamber (4), and then passes through an anaerobic chamber (5), an anoxic chamber (6), an aerobic chamber (7), a membrane reaction chamber (8), a disinfection chamber (9) and a evaporation chamber (10) in sequence; the outlet is located at the bottom of the evaporation chamber (10); An overflow trough (14) is provided above the side of the filtration chamber (4), anaerobic chamber (5), anoxic chamber (6), aerobic chamber (7), membrane reaction chamber (8) and disinfection chamber (9). An overflow pipe (15) is provided behind the overflow trough (14). The outlet of the overflow pipe (15) is located at the bottom of the next chamber and is used for sewage flow and balance. A group of bacteria is installed in the anaerobic chamber (5) for phosphorus removal from wastewater; a group of bacteria is installed in the anoxic chamber (6) for nitrogen removal from wastewater; a membrane filter is installed in the membrane reaction chamber (8) for filtering wastewater; and a disinfection structure is installed in the disinfection chamber (9) for disinfection treatment of wastewater.

2. The modular wastewater treatment equipment for a single wastewater treatment plant according to claim 1, characterized in that: A flow-slowing plate (11) is provided inside the water inlet tank (3). The flow-slowing plates (11) are arranged in an alternating manner. The bottom of the water inlet tank (3) is connected to the filter chamber (4).

3. A modular wastewater treatment device for a single wastewater treatment plant according to claim 2, characterized in that: A sieve plate (13) is provided in the middle of the filter chamber (4), and a discharge hopper (171) is provided at the bottom of the filter chamber (4). A water pump (121) is provided at the discharge port at the bottom of the discharge hopper (171), and the water pump (121) is connected to the waste discharge pipe (21).

4. A modular wastewater treatment device for a single wastewater treatment plant according to claim 3, characterized in that: A dripping element (26) is provided at the upper part of the evaporation chamber (10); The dripping component (26) includes a base plate and a main pipe (27) disposed in the middle of the base plate. A water inlet is provided on one side of the main pipe (27) and is connected to the end of the overflow pipe (15) from the disinfection chamber (9). A horizontal pipe (29) is arrayed below the main pipe (17), and drip holes (30) are arrayed along the axial direction at the bottom of the horizontal pipe (29); the main pipe (17) and the horizontal pipe (29) are connected in a continuous manner; Support rods (28) are installed on both sides of the main tube (27) to support the transverse (29) on the base plate; An exhaust fan (31) is provided at the top of the evaporation chamber (10), and a water outlet ramp (24) is provided at the bottom of the evaporation chamber (10). The exhaust fan (31) outputs towards the water outlet ramp (24), and the water outlet ramp (24) is connected to the outer water outlet (25).

5. A modular wastewater treatment device for a single wastewater treatment plant according to claim 1, characterized in that: The disinfection chamber (9) is equipped with a position plate (91) and a disinfectant pump (19). The disinfectant pump (19) is installed on the position plate (91). The outlet of the disinfectant pump (19) passes through the position plate (91) and is connected to a connecting pipe. The bottom of the connecting pipe is connected to a drain pipe (21). The drain pipe (21) is laid flat at the bottom of the disinfection chamber (9). The input end of the disinfectant pump (19) is equipped with an input pipe and connects to the outside of the disinfection chamber (9). A stirring motor (22) is installed in the middle of the disinfection chamber (9). A stirring rod (23) is installed in parallel with the output end of the stirring motor (22) downwards. The stirring rod (23) passes through the position plate (91). A water pump (123) is also installed on the position plate (91). A pipe is set at the bottom to pass through the position plate (91), and an overflow pipe (15) is set at the top to pump water into the drip part (26) of the evaporation chamber (10).

6. A modular wastewater treatment device for a single wastewater treatment plant according to claim 1, characterized in that: An aeration plate (16) is provided in the middle of the aerobic chamber (7), and a discharge hopper (172) is provided at the bottom of the aeration plate (16).

7. A modular wastewater treatment device for a single wastewater treatment plant according to claim 6, characterized in that: A water pump (122) is installed at the bottom of the discharge hopper (172), and a return pipe (18) is installed at the bottom of the water pump (122). The return pipe (18) is connected to the bottom of the anoxic chamber (6).

8. A modular wastewater treatment equipment for a single wastewater treatment plant according to claim 1, characterized in that: The first bacterial group includes polyphosphate-accumulating bacteria, and the second bacterial group includes denitrifying bacteria; an MBR membrane (32) is installed inside the membrane reaction chamber (8), a discharge hopper (173) is installed at the bottom of the membrane reaction chamber (8), a water pump (123) is installed at the bottom of the discharge hopper (173), and a waste discharge pipe (22) is also installed on the right side of the water pump (123).

9. A modular wastewater treatment device for a single wastewater treatment plant according to claim 1, characterized in that: The bottom of the anaerobic chamber (5), the anoxic chamber (6) and the disinfection chamber (9) are all equipped with a guide pipe (33) and a tail material pump (34) to transport the material to the waste discharge pipe (21). The overflow pipe (15) inside the disinfection chamber (9) has a guide groove (151) on its outside, and a float plate (92) is slidably installed on the outside of the guide groove (151); a middle hole (93) is opened in the middle of the float plate (92) for the stirring rod (23) and stirring blade to pass through; A buoyancy column (10) is installed on the float plate (92), and an airbag (101) is installed on the buoyancy column (10); a trigger switch (94) is installed on the top of the position plate (91), and the trigger end of the trigger switch (94) extends through the position plate (91) to the bottom of the position plate (91), and the bottom height is higher than the bottom height of the pipe at the bottom of the position plate (91) of the input end of the water pump (124); The buoyancy column (10) includes a guide rod (102) and a guide sleeve (103). The top of the guide rod (102) passes through the guide sleeve (103) to the top of the position plate (91). The guide sleeve (103) is built into the position plate (91). An airbag (101) is installed on the guide rod (102). An inflation tube (104) is installed at the input end of the airbag (101) and extends through the guide sleeve (103) and is fitted with a pressure holding valve (105) and a reversing valve (106). The reversing valve (106) is provided with an air inlet pipe (107) and an exhaust pipe (108) to the outside. The airbag (101) is provided with a top ring (109) at the top. The top ring (109) is located below the trigger end of the trigger switch (94) and is used to move and abut the trigger end of the trigger switch (94) as the guide rod (102) rises.

10. A method for using modular wastewater treatment equipment in a single wastewater treatment plant, characterized in that: The specific implementation steps are as follows: Step 1: The sewage first flows into the inlet tank (3) on the right side inside the main body (1) of the sewage treatment equipment. The flow slowing plates (11) arranged in the inlet tank (3) slow down the flow rate of the sewage, so that the sewage enters the subsequent treatment stage more smoothly. At the same time, the bottom of the inlet tank (3) is connected to the filter chamber (4), and the sewage flows into the filter chamber (4) through it. In the filter chamber (4), the sewage passes through the screen plate (13) in the middle position. The screen plate (13) intercepts larger particulate impurities in the sewage. The discharge hopper (171) set at the bottom of the filter chamber (4) collects the impurities. The water pump (121) at the bottom of the discharge hopper (171) discharges the impurities out of the equipment through the waste discharge pipe (21). Step 2: After preliminary filtration, the wastewater continues to flow to the anaerobic chamber (5) on the right. After entering the anaerobic chamber (5), the wastewater is treated anaerobically by polyphosphate-accumulating bacteria installed in the chamber. The polyphosphate-accumulating bacteria decompose the organic matter in the wastewater in the anaerobic environment and release phosphorus at the same time, thereby removing some pollutants from the wastewater. The treated wastewater flows through the overflow trough (14) above the side of the anaerobic chamber (5) and through the overflow pipe (15) into the anoxic chamber (6) of the next chamber. The outlet of the overflow pipe (15) is located at the bottom of the anoxic chamber (6) to ensure a smooth water flow. In the anoxic chamber (6), the wastewater is treated with anoxic bacteria by denitrifying bacteria. The denitrifying bacteria use the organic matter in the wastewater as a carbon source to reduce nitrate nitrogen to nitrogen gas, thereby removing nitrogen from the wastewater. The wastewater that has completed the anoxic treatment flows into the aerobic chamber (7) through the overflow trough (14) and overflow pipe (15) above the side of the chamber. Step 3: The aeration plate (16) set in the middle of the aerobic chamber (7) fills the sewage with air to provide a suitable aerobic environment for microorganisms; The water pump 2 (122) connected to the bottom discharge hopper 2 (172) of the aerobic chamber (7) allows a portion of the wastewater to flow back to the bottom of the anoxic chamber (6) through the return pipe (18), thus achieving the coordinated operation of the aerobic and anoxic treatment processes; the other portion of the wastewater flows into the membrane reaction chamber (8) through the overflow trough (14) and the overflow pipe (15). Step 4: An MBR membrane (32) is installed inside the membrane reaction chamber (8). The MBR membrane (32) further filters and separates the wastewater. A discharge hopper (173) and a connected water pump (123) are installed at the bottom of the membrane reaction chamber (8) to discharge part of the treated wastewater through the waste discharge pipe (22). Step 5: The remaining sewage flows into the disinfection chamber (9). The disinfectant pump (19) on the right side of the disinfection chamber (9) injects disinfectant into the sewage through the connecting pipe and the drain pipe (21). At the same time, the stirring motor (22) in the middle of the disinfection chamber (9) drives the stirring rod (23) to stir the sewage, so that the disinfectant and sewage are evenly mixed; Step 6: The disinfected water is pumped into the dripping part (26) of the evaporation chamber (10) by the water pump four (124). The water entering the evaporation chamber (10) is distributed to each horizontal pipe (29) through the main pipe (27) of the dripping part (26) and drips down from the dripping hole (30) at the bottom of the horizontal pipe (29). Simultaneously, the exhaust fan (31) at the top of the evaporation chamber (10) operates to accelerate the evaporation process of water, remove volatile substances from the water, and the water that has undergone evaporation treatment flows along the bottom water outlet slope (24) to the outer water outlet (25) and is finally discharged after meeting the standards.

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