Municipal sewage treatment device

Abstract

The invention discloses a municipal sewage treatment device which comprises a bottom plate, the top of the bottom plate is fixedly connected with a pretreatment unit, the left side of the top of the bottom plate is fixedly connected with a resource separation unit, and the left side of the pretreatment unit is fixedly connected with a conveying mechanism used for being communicated with the resource separation unit. The left side of the front side of the top of the bottom plate is fixedly connected with an energy conversion unit. The integrated structural design of the pretreatment unit, the resource separation unit, the conveying mechanism, the energy conversion unit and the refining unit is integrated on the bottom plate, systematic treatment of municipal sewage is achieved, the whole process of pretreatment, resource separation, energy conversion and water quality refining is covered, and the problems that an existing sewage treatment device focuses on treatment, the resource conversion rate is low, and the treatment cost is low are solved. Water resources, nitrogen and phosphorus nutrients and organic matter energy are not recycled, organic energy in the water resources is lost, and the overall environmental protection property and energy saving property are affected.

Description

Technical Field

[0001] This invention relates to the field of municipal wastewater technology, specifically to municipal wastewater treatment devices. Background Technology

[0002] Municipal wastewater refers to domestic sewage and industrial wastewater collected by municipal sewage pipe networks. It typically contains a variety of pollutants, such as organic matter, nitrogen and phosphorus compounds, heavy metals, and suspended solids. If this wastewater is discharged directly without treatment, it will cause serious environmental pollution. Therefore, it needs to be treated by professional wastewater treatment plants to meet discharge standards or reuse requirements. Municipal wastewater treatment generally includes multiple stages such as pretreatment, primary treatment, secondary treatment, and advanced treatment, using a variety of methods such as physical, chemical, and biological methods.

[0003] Current municipal wastewater treatment technologies mainly include activated sludge process and biofilm process. The core objective is to remove pollutants from water through physical, chemical or biological means. Although the treated effluent meets the discharge standards, the organic matter in the wastewater is converted into CO2 and emitted, forming excess sludge (which needs to be incinerated or landfilled). Only a small amount of nutrients (such as phosphorus) are recovered through chemical precipitation.

[0004] Existing wastewater treatment facilities focus on treatment, but have low resource conversion rates. Water resources, nitrogen and phosphorus nutrients, and organic energy are not recovered, resulting in the loss of organic energy within water resources and affecting overall environmental protection and energy conservation.

[0005] Therefore, it is necessary to redesign and modify the wastewater treatment equipment to effectively prevent the loss of internal energy from the water resources. Summary of the Invention

[0006] To address the problems mentioned in the background art, the present invention aims to provide a municipal wastewater treatment device that has the advantage of being able to recover the organic energy lost during the wastewater treatment process, thereby solving the problem of energy loss within water resources.

[0007] To achieve the above objectives, the present invention provides the following technical solution: a municipal sewage treatment device, comprising a base plate, a pretreatment unit fixedly connected to the top of the base plate, a resource separation unit fixedly connected to the left side of the top of the base plate, a conveying mechanism for connecting the resource separation unit fixedly connected to the left side of the pretreatment unit, an energy conversion unit fixedly connected to the left side of the front side of the top of the base plate, a refining unit fixedly connected to the front side of the top of the base plate, a cleaning mechanism fixedly connected to the front of the pretreatment unit, and an odor purification mechanism fixedly connected to the front of the cleaning mechanism.

[0008] As a preferred embodiment of the present invention, the pretreatment unit includes an inlet channel, a bar screen is installed at the top of the inlet channel, a support plate is fixedly connected to both the front and back of the bar screen, the inner side of the support plate is fixedly connected to the inlet channel, a sedimentation tank is connected to the left side of the inlet channel, a swirl aerator is installed inside the sedimentation tank, and a connecting pipe is connected to the right side of the swirl aerator.

[0009] As a preferred embodiment of the present invention, the conveying mechanism includes a conveying pump fixedly connected to the left side of the sedimentation tank. The input end of the conveying pump is connected to an inlet pipe, and the side of the inlet pipe away from the conveying pump extends into the interior of the sedimentation tank. The output end of the conveying pump is connected to a drain pipe, and the side of the drain pipe away from the conveying pump is connected to a resource separation unit.

[0010] In a preferred embodiment of the present invention, the resource separation unit includes a ceramic membrane assembly connected to the left side of the drain pipe. The ceramic membrane assembly contains ceramic membrane tubes arranged in a honeycomb pattern. A top cover is fixedly connected to the top of the ceramic membrane tubes. A pipe is connected to the bottom of the ceramic membrane assembly. An ion exchange column is connected to the side of the pipe away from the ceramic membrane assembly. A membrane concentrate delivery pipe is connected to the bottom of the front side of the ion exchange column. A membrane permeate delivery pipe is connected to the bottom of the right side of the ion exchange column.

[0011] As a preferred embodiment of the present invention, the energy conversion unit includes an anaerobic membrane bioreactor connected to the front of the membrane concentrate delivery pipe, and a support assembly is fixedly connected to the surface of the anaerobic membrane bioreactor, the bottom of the support assembly being fixedly connected to the base plate.

[0012] As a preferred embodiment of the present invention, the refining unit includes a pure water device connected to the right side of the membrane permeate delivery pipe, a frame assembly is fixedly connected to the surface of the pure water device, and an electrical control component is provided on the right side of the top front of the frame assembly.

[0013] As a preferred embodiment of the present invention, both sides of the inner side of the bracket assembly are fixedly connected with inclined reinforcing plates, and the inclined reinforcing plates are symmetrically designed.

[0014] In a preferred embodiment of the present invention, a corner block assembly is fixedly connected to the right side of the supporting concave plate, and the inner side of the corner block assembly is fixedly connected to the water inlet channel. The cleaning mechanism includes a motor, and a pulley is fixedly connected to the output end of the motor. A connecting belt is drivenly connected to the surface of the pulley. A cleaning brush roller is movably connected to the left side of the top of the water inlet channel via a bearing. The top of the cleaning brush roller is in contact with the bar screen machine. A pulley is fixedly connected to the front side of the cleaning brush roller, and the side of the connecting belt away from the pulley is drivenly connected to the surface of the pulley.

[0015] As a preferred embodiment of the present invention, a pump base assembly is fixedly connected to the right side of the conveying pump, and the right side of the pump base assembly is fixedly connected to the sedimentation tank.

[0016] In a preferred embodiment of the present invention, the bottom of the bar screen is provided with a waste frame, and a handle assembly is fixedly connected to the front of the waste frame. The odor purification mechanism includes a helical gear one fixedly connected to the front of a pulley one. A reciprocating screw is movably connected to the right side of the front of the water inlet channel via a bearing. A helical gear two is fixedly connected to the left side of the reciprocating screw. The back of the helical gear two meshes with the helical gear one. A purification box is fixedly connected to the right side of the front of the base plate. A hole for venting is opened at the bottom of the front of the purification box. Filter plates are horizontally fixedly connected to the top and bottom of the inner cavity of the purification box. A suction fan is fixedly connected to the bottom of the inner cavity of the purification box. A reciprocating block is threadedly connected to the surface of the reciprocating screw and fixedly connected to the top. The back of the reciprocating block is slidably connected to the water inlet channel. A concave rod is fixedly connected to the top of the reciprocating block. An air suction hose is connected to the top of the purification box. The side of the connecting concave rod away from the reciprocating block is fixedly connected to the air suction hose. A slag frame is slidably connected to the inner side of the water inlet channel. The slag frame is used to collect impurities swept off by the cleaning brush roller.

[0017] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0018] 1. This invention integrates a pretreatment unit, a resource separation unit, a conveying mechanism, an energy conversion unit, and a purification unit into a single structural design on a base plate, enabling systematic treatment of municipal wastewater. It covers the entire process of pretreatment, resource separation, energy conversion, and water purification, solving the problem that existing wastewater treatment devices focus on treatment while having low resource conversion rates. Water resources, nitrogen and phosphorus nutrients, and organic energy are not recovered, leading to the loss of organic energy within the water resources and affecting the overall environmental protection and energy efficiency.

[0019] 2. This invention uses a bar screen installed at the top of the inlet channel, with a supporting concave plate to ensure stable installation. The inlet channel connects to a grit chamber and contains a built-in cyclone aerator. The bar screen intercepts large solid impurities in the wastewater, while the cyclone aerator promotes the settling of sand particles. Connecting pipes ensure smooth aeration pathways, solving the problem of solid impurities and sand particles affecting subsequent treatment processes and achieving efficient pretreatment purification. Furthermore, the left side of the inlet channel connects to the grit chamber, which houses a cyclone aerator. A connecting pipe connects to the right side of the aerator, forming a complete functional structure for the pretreatment process, acting as the first line of defense. The supporting concave plate ensures the bar screen remains stable during long-term operation, even under impact from wastewater or impurities, preventing displacement or tilting that could affect the interception effect. It also generates a swirling mixing effect, promoting the separation of inorganic particles like sand from the wastewater, allowing them to settle quickly to the bottom of the grit chamber, and preventing sand from caking at the bottom, facilitating subsequent sand removal.

[0020] 3. This invention uses a fixed transfer pump on the left side of the grit chamber to extract pre-treated wastewater from the grit chamber through the inlet pipe, and then transports it to the resource separation unit through the drain pipe. This solves the problems of poor wastewater transport and insufficient power between treatment units, ensuring the continuity of the wastewater treatment process. The mechanical power of the pump provides continuous and stable power for wastewater transport, ensuring that the wastewater can overcome pipeline resistance and flow quickly and efficiently. The fixed connection between the transfer pump and the grit chamber ensures the stability of the transfer pump during operation and reduces pipeline loosening or leakage caused by vibration.

[0021] 4. This invention connects to the ceramic membrane module via a drain pipe on the left side. The ceramic membrane module contains ceramic membrane tubes arranged in a honeycomb pattern. A top cover is fixedly connected to the top of each ceramic membrane tube. The bottom of the ceramic membrane module is connected to an ion exchange column via a pipe. The bottom front of the ion exchange column is connected to a membrane concentrate delivery pipe, and the bottom right side is connected to a membrane permeate delivery pipe. This honeycomb arrangement not only increases the effective filtration area of ​​the ceramic membrane and improves the throughput per unit time, but also ensures uniform distribution of wastewater within the membrane module, avoiding uneven separation caused by excessively fast or slow flow rates in certain areas. Furthermore, it effectively intercepts suspended particles and colloids in the wastewater. This system separates solids and macromolecular organic matter, achieving initial separation of macromolecular pollutants in wastewater. The top cover protects the ceramic membrane cartridge, preventing external impurities from entering the membrane module. It also facilitates the installation, maintenance, and replacement of the ceramic membrane cartridge. This system enables the stepwise separation of different types and particle sizes of pollutants in municipal wastewater, solving the problems of incomplete separation and poor adaptability to complex pollutants in traditional separation equipment. It improves the precision of resource separation and the efficiency of pollutant removal, providing targeted treatment targets for subsequent energy conversion and water purification processes. It also creates conditions for the recycling of resources in wastewater.

[0022] 5. This invention connects the front of the membrane concentrate delivery pipe to the anaerobic membrane bioreactor and fixes a support assembly to the surface of the anaerobic membrane bioreactor. The bottom of the support assembly is fixedly connected to the base plate. This allows the organic pollutants in the membrane concentrate to be decomposed into combustible gases such as methane through the metabolic activity of microorganisms in an anaerobic environment. These gases can be recovered and utilized as clean energy, realizing the conversion of organic pollutants into energy and improving the resource recovery value in the wastewater treatment process. Simultaneously, the anaerobic digestion process can further degrade organic pollutants, reducing the pollutant content in the membrane concentrate and lowering the difficulty of subsequent treatment. The support assembly provides stable installation support for the anaerobic membrane bioreactor. Since the anaerobic membrane bioreactor will generate certain vibrations during operation and the equipment itself has a certain weight, the support assembly, through its fixed connection to the base plate, can evenly transfer the weight of the equipment to the base plate, preventing displacement or tilting due to its own weight or vibration, and ensuring the stability of the equipment operation.

[0023] 6. This invention connects the right side of the membrane permeate delivery pipe to the water purifier, and fixes a frame assembly to the surface of the water purifier. An electrical control component is installed on the top right side of the frame assembly, enabling deep treatment of the membrane permeate. Through multiple purification processes such as reverse osmosis, ion exchange, and activated carbon adsorption, residual micro-impurities, soluble salts, heavy metal ions, and odor substances in the water are further removed, ensuring the effluent meets the specified pure water standards and enabling wastewater purification and reuse. The frame assembly provides stable support for the water purifier. Since the water purifier needs to maintain a stable posture during operation, the frame assembly, indirectly fixed to the base plate, effectively distributes the weight of the water purifier, resists minor vibrations during operation, and prevents equipment displacement or damage. Simultaneously, the frame assembly also protects the water purifier's pipes and interfaces, preventing leaks caused by external impacts. The electrical control component allows for precise adjustment of the water purifier's operating parameters, such as inlet pressure, flow rate, and treatment time, optimizing the purification process in real time based on the membrane permeate quality to ensure the stability and consistency of the purification effect.

[0024] 7. This invention effectively disperses the pressure and tension borne by the support assembly by fixing symmetrically designed inclined reinforcing plates to both sides of the inner side of the support assembly. This distributes the weight and vibration impact force transmitted from the anaerobic membrane bioreactor to the support assembly evenly to each connection point of the support, avoiding local stress concentration. Compared with horizontal or vertical structures, the inclined structure has stronger shear and bending resistance, which can effectively enhance the overall rigidity and stability of the support assembly and prevent deformation and displacement of the support assembly during long-term use. The symmetrical design ensures that the force on both sides of the support assembly is balanced, avoiding tilting of the support due to excessive force on one side, further improving the stability and reliability of the support. While ensuring the stable operation of the anaerobic membrane bioreactor, it reduces the material consumption and manufacturing cost of the support assembly.

[0025] 8. This invention, by fixing a corner block assembly to the right side of the supporting concave plate, has good stability and load-bearing capacity. It can effectively fill the connection gap between the supporting concave plate and the water inlet channel, increase the contact area between the two, and allow the force borne by the supporting concave plate to be transmitted to the water inlet channel more evenly. This avoids damage to the connection part due to excessive local stress. The corner block assembly is fixedly connected to the supporting concave plate and the water inlet channel respectively, forming a double fixing effect, which further enhances the firmness and reliability of the connection and prevents the supporting concave plate from loosening or shifting under long-term stress.

[0026] 9. This invention provides a stable support plane for the pump by fixing a pump base assembly to the right side of the pump, ensuring that the weight of the pump is evenly distributed on the pump base assembly. This prevents deformation of the pump body due to uneven stress. The right side of the pump base assembly is fixedly connected to the grit chamber, forming an integral structure between the pump and the grit chamber. The stability of the grit chamber helps to offset the vibration generated during the operation of the pump, reducing the impact of vibration on the pump itself and the connecting pipelines. At the same time, the pump base assembly can also accurately position the pump, ensuring that the inlet pipe can accurately extend to the preset position inside the grit chamber, guaranteeing pumping efficiency and preventing deviation of the inlet pipe position due to pump displacement, which would affect sewage extraction. In addition, the pump base assembly can also play a certain role in shock absorption, absorbing some vibration energy through its own structural characteristics and reducing the noise of the pump during operation.

[0027] 10. This invention, by setting a waste frame at the bottom of the bar screen and fixing a handle assembly to the front of the waste frame, can directly receive solid waste falling from the bar screen, realizing automatic waste collection. It eliminates the need for operators to monitor and retrieve the waste in real time, reducing labor intensity. The size of the waste frame matches the width and height of the bar screen, ensuring comprehensive collection of all waste intercepted by the bar screen and preventing secondary pollution caused by waste falling into other areas. The handle assembly, fixed to the front of the waste frame, provides a convenient grip for operators, allowing them to easily remove the waste frame from the bottom of the bar screen for waste cleaning and dumping. The operation is simple and labor-saving, improving cleaning efficiency. Furthermore, the structural design of the waste frame facilitates cleaning; after cleaning the waste, the waste frame can be quickly rinsed to prevent waste residue from causing odors or bacterial growth. Attached Figure Description

[0028] Figure 1 This is a schematic diagram of the structure of the present invention;

[0029] Figure 2 This is a structural diagram of the preprocessing unit of the present invention;

[0030] Figure 3 This is a structural diagram of the resource separation unit of the present invention;

[0031] Figure 4 This is a structural diagram of the energy conversion unit of the present invention;

[0032] Figure 5 This is a structural diagram of the refining unit of the present invention;

[0033] Figure 6 This is a side view of the structure of the present invention;

[0034] Figure 7 This is a structural diagram of the cyclone aerator of the present invention;

[0035] Figure 8 This is a cross-sectional view of the ceramic membrane assembly of the present invention;

[0036] Figure 9 This is a structural diagram of the cleaning mechanism and odor purification mechanism of the present invention;

[0037] Figure 10 This is a cross-sectional view of the purification chamber of the present invention.

[0038] In the diagram: 1. Base plate; 2. Pretreatment unit; 3. Resource separation unit; 4. Conveying mechanism; 5. Energy conversion unit; 6. Refining unit; 7. Inlet channel; 8. Bar screen; 9. Support plate; 10. Grit chamber; 11. Cyclone aerator; 12. Connecting pipe; 13. Transfer pump; 14. Inlet pipe; 15. Drain pipe; 16. Ceramic membrane module; 17. Ceramic membrane cylinder; 18. Top cover; 19. Pipeline; 20. Ion exchange column; 21. Membrane concentrate delivery pipe; 22. Membrane permeate delivery pipe; 23. Anaerobic membrane bioreactor; 24. Support assembly; 5. Water purifier; 26. Frame assembly; 27. Electrical control assembly; 28. Slanted reinforcing plate; 29. ​​Corner block assembly; 30. Pump base assembly; 31. Waste box; 32. Handle assembly; 33. Cleaning mechanism; 34. Odor purification mechanism; 35. Motor; 36. Belt pulley one; 37. Connecting belt; 38. Cleaning brush roller; 39. Belt pulley two; 40. Helical gear one; 41. Reciprocating screw; 42. Helical gear two; 43. Purification box; 44. Filter plate; 45. Suction fan; 46. Reciprocating block; 47. Connecting concave rod; 48. Suction hose; 49. Sludge box. Detailed Implementation

[0039] 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.

[0040] like Figures 1 to 10 As shown, an embodiment of the present invention provides a municipal sewage treatment device, including a base plate 1, a pretreatment unit 2, a resource separation unit 3, a conveying mechanism 4, an energy conversion unit 5, and a purification unit 6. The pretreatment unit 2 is fixedly connected to the top of the base plate 1, the resource separation unit 3 is fixedly connected to the top left side of the base plate 1, the conveying mechanism 4 is fixedly connected to the left side of the pretreatment unit 2 for connecting the pretreatment unit 2 and the resource separation unit 3, the energy conversion unit 5 is fixedly connected to the top front left side of the base plate 1, the purification unit 6 is fixedly connected to the top front side of the base plate 1, a cleaning mechanism 33 is fixedly connected to the front of the pretreatment unit 2, and an odor purification mechanism 34 is fixedly connected to the front of the cleaning mechanism 33. The units cooperate to form an overall structure for the whole process treatment of municipal sewage.

[0041] Specifically, the pretreatment unit 2 is used to achieve preliminary purification of sewage, removing large solid impurities and sand particles, laying the foundation for subsequent treatment. The pretreatment unit 2 includes an inlet channel 7, which serves as the sewage inlet channel. A bar screen 8 is installed on its top, which is used to intercept larger suspended solids, floating objects, and other solid impurities in the sewage. Supporting concave plates 9 are fixedly connected to both the front and back of the bar screen 8. The inner side of the supporting concave plates 9 is fixedly connected to the inlet channel 7, providing stable installation support for the bar screen 8. An angle block assembly 29 is fixedly connected to the right side of the supporting concave plates 9, and the inner side of the angle block assembly 29 is fixedly connected to the inlet channel 7, further enhancing the firmness of the connection between the supporting concave plates 9 and the inlet channel 7. A grit chamber 10 is connected to the left side of the inlet channel 7, which is used to achieve sand-water separation. A cyclone aerator 11 is installed inside the grit chamber 10. After the cyclone aerator 11 is activated, it can cause the sewage to swirl, promoting sand particle settling. The right side of the cyclone aerator 11 is connected to... A connecting pipe 12 is provided to introduce air and ensure the normal operation of the cyclone aerator 11. It should be noted that the core function of the cyclone aerator 11 is to drive the sewage to form a directional cyclone. Under the action of centrifugal force of the cyclone, sand particles will be concentrated in the sand collection area at the bottom of the tank. This centrifugal settling force is much greater than the buoyancy effect of the aeration bubbles on the sand particles. At the same time, the circulation formed by the cyclone can prevent sand particles from accumulating at the bottom of the tank. Moreover, the aeration is not for strengthening the stirring, but to introduce an appropriate amount of air through the connecting pipe 12. On the one hand, it makes the cyclone flow field more stable and avoids the formation of local dead water areas. On the other hand, it can peel off the organic slime attached to the surface of the sand particles, reduce the adhesion between sand particles, and make fine sand particles more likely to settle in individual form without forming scum. The aeration rate, cyclone speed and other parameters of the cyclone aerator 11 can be adjusted according to the particle size of the influent sand particles. For fine sand particles, a combination mode of low aeration rate and high cyclone intensity can be used to ensure the sand-water separation effect and avoid excessive binding of bubbles and sand particles.

[0042] The conveying mechanism 4 is used to achieve stable conveying of pretreated sewage to the resource separation unit 3, solving the problems of poor sewage conveying and insufficient power. The conveying mechanism 4 includes a conveying pump 13 fixedly connected to the left side of the grit chamber 10. The conveying pump 13 provides continuous power for sewage conveying. A pump base assembly 30 is fixedly connected to the right side of the conveying pump 13. The right side of the pump base assembly 30 is fixedly connected to the grit chamber 10, which improves the stability of the operation of the conveying pump 13 and reduces the impact of vibration. The input end of the conveying pump 13 is connected to an inlet pipe 14. The side of the inlet pipe 14 away from the conveying pump 13 extends into the interior of the grit chamber 10 for pumping out the pretreated sewage in the grit chamber 10. The output end of the conveying pump 13 is connected to a drain pipe 15. The side of the drain pipe 15 away from the conveying pump 13 is connected to the resource separation unit 3 to achieve directional conveying of sewage.

[0043] The resource separation unit 3 is used to achieve the step-by-step separation of pollutants in wastewater, providing targeted treatment targets for subsequent energy conversion and water purification. The resource separation unit 3 includes a ceramic membrane module 16 connected to the left side of the drain pipe 15. The ceramic membrane module 16 is used to intercept suspended particles, colloidal substances, and large organic molecules. Inside the ceramic membrane module 16 are ceramic membrane cylinders 17 arranged in a honeycomb pattern. This arrangement increases the effective filtration area, improves the treatment capacity per unit time, and ensures uniform wastewater distribution. The top of the ceramic membrane cylinders 17 is fixedly connected to... The top cover 18 protects the ceramic membrane cartridge 17, facilitating its installation, maintenance, and replacement. A pipe 19 connects to the bottom of the ceramic membrane module 16. An ion exchange column 20 is connected to the side of the pipe 19 furthest from the ceramic membrane module 16. The ion exchange column 20 removes ionic impurities from wastewater. A membrane concentrate delivery pipe 21 connects to the bottom front of the ion exchange column 20 for discharging the treated membrane concentrate. A membrane permeate delivery pipe 22 connects to the bottom right side of the ion exchange column 20 for discharging the treated membrane permeate. It should be noted that the ceramic membrane cartridge 17... Made of porous ceramic material, its membrane pore size can be precisely controlled within the required range. This filtration precision can efficiently remove particles larger than suspended particles, colloids, and large molecular organic matter in wastewater. After treatment, the suspended solids content in the membrane permeate can be stably controlled within the normal range, far below the requirements for suspended solids content in the ion exchange resin feed water, eliminating the need for additional intermediate filtration devices such as security filters. Furthermore, the honeycomb arrangement of the ceramic membrane cartridge 17 not only increases the effective filtration area and improves the throughput per unit time, but also allows the wastewater to form a uniform cross-flow filtration field inside the membrane module, avoiding local concentration polarization and pollutant deposition. At the same time, the regularity of the honeycomb structure can reduce membrane surface flow velocity fluctuations, reduce the probability of membrane pore blockage, and ensure long-term stability of membrane permeate water quality, providing clean feed water conditions for the ion exchange column 20. In addition, the membrane concentrate delivery pipe 21 can promptly discharge pollutants retained by the ceramic membrane, preventing the retained substances from flowing back to the ion exchange column 20.

[0044] The energy conversion unit 5 is used to convert organic pollutants in the membrane concentrate into clean energy and realize resource recycling. The energy conversion unit 5 includes an anaerobic membrane bioreactor 23 connected to the front of the membrane concentrate delivery pipe 21. The anaerobic membrane bioreactor 23 can decompose organic pollutants by microbial metabolism in an anaerobic environment to generate combustible gases such as biogas. A support assembly 24 is fixedly connected to the surface of the anaerobic membrane bioreactor 23. The bottom of the support assembly 24 is fixedly connected to the bottom plate 1 to provide stable installation support for the anaerobic membrane bioreactor 23. Inclined reinforcing plates 28 are fixedly connected to both sides of the inner side of the support assembly 24. The inclined reinforcing plates 28 are symmetrically designed to enhance the overall rigidity and stability of the support assembly 24 and avoid deformation caused by local stress concentration.

[0045] The refining unit 6 is used to perform deep treatment of the membrane permeate to achieve wastewater purification and reuse. The refining unit 6 includes a pure water device 25 connected to the right side of the membrane permeate delivery pipe 22. The pure water device 25 removes residual impurities in the water through multiple refining processes so that the effluent meets the pure water standard. A frame assembly 26 is fixedly connected to the surface of the pure water device 25. The frame assembly 26 provides stable support for the pure water device 25. An electronic control assembly 27 is set on the right side of the top front of the frame assembly 26, which can precisely adjust the operating parameters of the pure water device 25 to ensure stable refining effect.

[0046] The cleaning mechanism 33 is used to clean the bar screen 8 to ensure its interception effect. The cleaning mechanism 33 includes a motor 35. The output end of the motor 35 is fixedly connected to a pulley 36. A connecting belt 37 is driven to the surface of the pulley 36. A cleaning brush roller 38 is movably connected to the top left side of the water inlet channel 7 through a bearing. The top of the cleaning brush roller 38 contacts the bar screen 8 and can clean the impurities attached to the bar screen 8. A pulley 39 is fixedly connected to the front side of the cleaning brush roller 38. The side of the connecting belt 37 away from the pulley 36 is driven to the surface of the pulley 39. After the motor 35 is started, the cleaning brush roller 38 is driven to rotate through the transmission action of the pulley 36, the connecting belt 37 and the pulley 39.

[0047] Odor purification mechanism 34 is used to purify odors generated during sewage treatment. Odor purification mechanism 34 includes a helical gear 40 fixedly connected to the front of pulley 36; a reciprocating screw 41 is movably connected to the right side of the front of the inlet channel 7 via a bearing; a helical gear 42 is fixedly connected to the left side of the reciprocating screw 41; the back of the helical gear 42 meshes with the helical gear 40; a purification box 43 is fixedly connected to the right side of the front of the base plate 1; filter plates 44 are horizontally fixedly connected to the top and bottom of the inner cavity of the purification box 43 for filtering odor substances; and an absorbent plate is fixedly connected to the bottom of the inner cavity of the purification box 43. A fan 45 provides suction power. A reciprocating block 46 is threaded onto the surface of a reciprocating screw 41. The back of the reciprocating block 46 is slidably connected to the water inlet channel 7. A concave rod 47 is fixedly connected to the top of the reciprocating block 46. An air suction hose 48 is connected to the top of the purification box 43. The side of the connecting concave rod 47 away from the reciprocating block 46 is fixedly connected to the air suction hose 48. When the pulley 36 rotates, it drives the helical gear 40 to rotate, which in turn drives the reciprocating screw 41 to rotate through the helical gear 42. This causes the reciprocating block 46 to move back and forth along the reciprocating screw 41, thereby driving the air suction hose 48 to move and expand the suction range.

[0048] In addition, a waste frame 31 is provided at the bottom of the bar screen 8. The waste frame 31 is used to receive solid waste falling from the bar screen 8, so as to realize automatic waste collection. A handle assembly 32 is fixedly connected to the front of the waste frame 31, which makes it easy for operators to take out the waste frame 31 for cleaning. This setting does not require operators to be on duty in real time to retrieve the waste, which reduces labor intensity and can prevent secondary pollution caused by falling waste.

[0049] The working principle and usage process of this invention are as follows: First, when treating municipal sewage, the municipal sewage first enters the inlet channel 7 of the pretreatment unit 2. The bar screen 8 at the top of the inlet channel 7 is activated to intercept larger suspended solids, floating solids and other solid impurities in the sewage. The intercepted impurities fall into the waste box 31 below under the action of gravity. The staff can periodically remove the waste box 31 through the handle assembly 32 to clean and dump the impurities. The bar screen 8 is firmly installed above the inlet channel 7 under the double fixing action of the support concave plate 9 and the corner block assembly 29 to ensure stable interception effect. After the sewage is initially filtered by the bar screen 8, it flows into the grit chamber 10. The cyclone aerator 11 in the grit chamber 10 introduces air through the connecting pipe 12. After activation, it causes the sewage to swirl. Under the combined action of the cyclone centrifugal force and gravity, the inorganic particles such as sand with higher density in the sewage quickly settle to the bottom of the grit chamber 10, realizing sand-water separation and further purifying the sewage quality.

[0050] At the same time, the motor 35 of the cleaning mechanism 33 is started. The motor 35 drives the pulley 36 to rotate, which drives the pulley 39 to rotate through the connecting belt 37, thereby causing the cleaning brush roller 38 to rotate and clean the bar screen 8 to prevent impurities from adhering and affecting the interception effect. The sewage that has completed the sedimentation treatment in the sedimentation tank 10 is transported to the resource separation unit 3 through the conveying mechanism 4, and then the swept impurities are collected by the slag frame 49.

[0051] The specific process is as follows: the transfer pump 13 operates, and its input end enters the grit chamber 10 through the inlet pipe 14 to extract sewage. Then, the sewage is pressurized and transported to the ceramic membrane module 16 through the outlet pipe 15. With the support and fixation of the pump base assembly 30, the transfer pump 13 operates stably, reducing the impact of vibration on the pipeline connection and ensuring that the sewage can overcome the pipeline resistance and flow efficiently and smoothly. After the sewage enters the ceramic membrane module 16...

[0052] Under the filtration effect of the ceramic membrane cylinder 17 arranged in a honeycomb pattern, suspended particles, colloidal substances and macromolecular organic matter are effectively intercepted. After preliminary separation by the ceramic membrane module 16, the liquid flows into the ion exchange column 20 through the pipe 19. Under the ion exchange effect inside the ion exchange column 20, ionic impurities in the wastewater are further removed. The treated wastewater is divided into two parts: membrane concentrate and membrane permeate. The membrane concentrate is discharged through the membrane concentrate delivery pipe 21, and the membrane permeate is discharged through the membrane permeate delivery pipe 22. The membrane concentrate is transported to the anaerobic membrane bioreactor 23 of the energy conversion unit 5 through the membrane concentrate delivery pipe 21. Under anaerobic conditions, the anaerobic membrane bioreactor 23 uses the metabolic activities of internal microorganisms to decompose the organic pollutants in the membrane concentrate and convert them into clean energy such as biogas, realizing the recycling of organic energy and further reducing the pollutant content in the membrane concentrate.

[0053] The anaerobic membrane bioreactor 23 operates stably under the support of the support assembly 24 and the inclined reinforcing plate 28, avoiding displacement or tilting due to its own weight or vibration. The membrane permeate is transported to the pure water device 25 of the purification unit 6 through the membrane permeate delivery pipe 22. The pure water device 25 starts to operate and removes residual trace impurities through multiple purification processes such as reverse osmosis, ion exchange, and activated carbon adsorption.

[0054] The electronic control component 27 on the front of the frame component 26 monitors and adjusts the operating parameters of the water purifier 25 in real time, such as the inlet water pressure, flow rate, and treatment time, to ensure that the treatment process is stable and efficient. Finally, the water purifier 25 outputs purified water that meets the prescribed standards, realizing the recycling and reuse of wastewater. During the wastewater treatment process, the odor purification mechanism 34 operates synchronously. When the pulley 1 36 rotates, it drives the helical gear 1 40 to rotate. Through meshing with the helical gear 2 42, it drives the reciprocating screw 41 to rotate, causing the reciprocating block 46 to move back and forth along the reciprocating screw 41, thereby driving the suction hose 48 to move and expand the suction range.

[0055] When the suction fan 45 is activated, the odorous gases generated during sewage treatment are drawn into the purification tank 43 through the suction hose 48. After being filtered and purified by the filter plate 44, the odor emission is reduced, and the comfort of the treatment environment is improved. The filter plate 44 is made of activated carbon material, which has a microporous structure and a huge specific surface area. It captures gas molecules through physical adsorption. By integrating various treatment units and auxiliary mechanisms on the base plate 1, the system treatment of municipal sewage is realized, covering the entire process of pretreatment, resource separation, energy conversion and water purification. It maximizes the recovery of water resources, nitrogen and phosphorus nutrients and organic energy in sewage, effectively solves the problems of low resource conversion rate and organic energy loss in existing sewage treatment devices, and significantly improves the overall environmental protection and energy saving.

[0056] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0057] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A municipal sewage treatment device, comprising a base plate (1), characterized in that: A pretreatment unit (2) is fixedly connected to the top of the base plate (1), a resource separation unit (3) is fixedly connected to the left side of the top of the base plate (1), a conveying mechanism (4) for connecting the resource separation unit (3) is fixedly connected to the left side of the pretreatment unit (2), an energy conversion unit (5) is fixedly connected to the left side of the front side of the top of the base plate (1), a refining unit (6) is fixedly connected to the front side of the top of the base plate (1), a cleaning mechanism (33) is fixedly connected to the front of the pretreatment unit (2), and an odor purification mechanism (34) is fixedly connected to the front of the cleaning mechanism (33).

2. The municipal wastewater treatment device according to claim 1, characterized in that: The pretreatment unit (2) includes an inlet channel (7), a bar screen (8) is installed on the top of the inlet channel (7), a support plate (9) is fixedly connected to both the front and back of the bar screen (8), the inner side of the support plate (9) is fixedly connected to the inlet channel (7), a sedimentation tank (10) is connected to the left side of the inlet channel (7), a swirl aerator (11) is installed inside the sedimentation tank (10), and a connecting pipe (12) is connected to the right side of the swirl aerator (11).

3. The municipal wastewater treatment device according to claim 2, characterized in that: The conveying mechanism (4) includes a conveying pump (13) fixedly connected to the left side of the sedimentation tank (10). The input end of the conveying pump (13) is connected to an inlet pipe (14). The side of the inlet pipe (14) away from the conveying pump (13) extends into the interior of the sedimentation tank (10). The output end of the conveying pump (13) is connected to a drain pipe (15). The side of the drain pipe (15) away from the conveying pump (13) is connected to the resource separation unit (3).

4. The municipal wastewater treatment device according to claim 3, characterized in that: The resource separation unit (3) includes a ceramic membrane assembly (16) connected to the left side of the drain pipe (15). The ceramic membrane assembly (16) is provided with a ceramic membrane tube (17) inside. The ceramic membrane tube (17) is arranged in a honeycomb pattern. A top cover (18) is fixedly connected to the top of the ceramic membrane tube (17). A pipe (19) is connected to the bottom of the ceramic membrane assembly (16). An ion exchange column (20) is connected to the side of the pipe (19) away from the ceramic membrane assembly (16). A membrane concentrate delivery pipe (21) is connected to the bottom of the front side of the ion exchange column (20). A membrane permeate delivery pipe (22) is connected to the bottom of the right side of the ion exchange column (20).

5. The municipal wastewater treatment device according to claim 4, characterized in that: The energy conversion unit (5) includes an anaerobic membrane bioreactor (23) connected to the front of the membrane concentrate delivery pipe (21). A support assembly (24) is fixedly connected to the surface of the anaerobic membrane bioreactor (23), and the bottom of the support assembly (24) is fixedly connected to the bottom plate (1).

6. The municipal wastewater treatment device according to claim 4, characterized in that: The purification unit (6) includes a water purifier (25) connected to the right side of the membrane permeate delivery pipe (22). A frame assembly (26) is fixedly connected to the surface of the water purifier (25). An electronic control assembly (27) is provided on the right side of the top front of the frame assembly (26).

7. The municipal wastewater treatment device according to claim 5, characterized in that: Both sides of the inner side of the bracket assembly (24) are fixedly connected with inclined reinforcing plates (28), which are symmetrically designed.

8. The municipal wastewater treatment device according to claim 2, characterized in that: A corner block assembly (29) is fixedly connected to the right side of the support concave plate (9). The inner side of the corner block assembly (29) is fixedly connected to the water inlet channel (7). The cleaning mechanism (33) includes a motor (35). A pulley (36) is fixedly connected to the output end of the motor (35). A connecting belt (37) is connected to the surface of the pulley (36). A cleaning brush roller (38) is movably connected to the top left side of the water inlet channel (7) via a bearing. The top of the cleaning brush roller (38) is in contact with the bar screen (8). A pulley (39) is fixedly connected to the front side of the cleaning brush roller (38). The side of the connecting belt (37) away from the pulley (36) is connected to the surface of the pulley (39).

9. The municipal wastewater treatment device according to claim 3, characterized in that: The right side of the delivery pump (13) is fixedly connected to a pump base assembly (30), and the right side of the pump base assembly (30) is fixedly connected to the sedimentation tank (10).

10. The municipal wastewater treatment device according to claim 8, characterized in that: The bottom of the bar screen (8) is provided with a waste frame (31), and a handle assembly (32) is fixedly connected to the front of the waste frame (31). The odor purification mechanism (34) includes a helical gear (40) fixedly connected to the front of the pulley (36). The right side of the front of the water inlet channel (7) is movably connected to a reciprocating screw (41) via a bearing. The left side of the reciprocating screw (41) is fixedly connected to a helical gear (42). The back of the helical gear (42) meshes with the helical gear (40). The right side of the front of the base plate (1) is fixedly connected to a purification box (43). The bottom of the front of the purification box (43) has a hole for exhaust. The top and bottom of the inner cavity of the purification box (43) are connected to the bottom of the base plate (1). A filter plate (44) is fixedly connected horizontally to each of the purification boxes (43). A suction fan (45) is fixedly connected to the bottom of the inner cavity of the purification box (43). A reciprocating block (46) is fixedly connected to the top of the reciprocating screw (41) by a threaded connection. The back of the reciprocating block (46) is slidably connected to the water inlet channel (7). A concave rod (47) is fixedly connected to the top of the reciprocating block (46). A suction hose (48) is connected to the top of the purification box (43). The side of the connecting concave rod (47) away from the reciprocating block (46) is fixedly connected to the suction hose (48). A sludge frame (49) is slidably connected to the inner side of the water inlet channel (7). The sludge frame (49) is used to collect the impurities swept off by the cleaning brush roller (38).

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