CN115745153A

CN115745153A - Anti-fouling MBR (membrane bioreactor) membrane assembly based on ecological pool technology

Info

Publication number: CN115745153A
Application number: CN202211583497.5A
Authority: CN
Inventors: 鲁朋; 谢辉
Original assignee: Jiangsu Wushui Environmental Engineering Co ltd
Current assignee: Jiangsu Wushui Environmental Engineering Co ltd
Priority date: 2022-12-09
Filing date: 2022-12-09
Publication date: 2023-03-07

Abstract

The invention provides a pollution and blockage resistant MBR (membrane bioreactor) membrane component based on an ecological pool technology, which comprises an ecological pool, a liquid inlet pipe, a metering pump, a grating component, an adding component, a cooling component, an MBR membrane component, a mud pump, a temperature sensor, a liquid outlet pipe, an aeration pump, an electric control cabinet, a PLC (programmable logic controller), a baffle and a clamping groove, wherein the liquid inlet pipe is connected with the metering pump; according to the invention, the temperature sensor is arranged to detect the temperature value of sewage and sludge in the ecological pool, when the detected temperature value reaches a set value, the PLC controls the second electromagnetic valve and the semiconductor refrigerator to be electrified and operated, water is added into the ecological pool through the conveying pipe, meanwhile, the semiconductor refrigerator refrigerates the water in the conveying pipe, and the ecological pool is cooled by adding quantitative cooling water, so that the phenomenon that sludge is piled and fermented due to overhigh temperature in the ecological pool is avoided, high-viscosity bubbles are prevented from occurring, and the normal operation of an MBR membrane module is ensured; the anti-fouling MBR membrane assembly based on the ecological pool technology is simple in structure, convenient and fast to operate and convenient to popularize and apply in the market.

Description

Anti-fouling MBR (membrane bioreactor) membrane assembly based on ecological pool technology

Technical Field

The invention belongs to the technical field of MBR (membrane bioreactor) membrane assemblies, and particularly relates to a pollution and blockage resistant MBR membrane assembly based on an ecological tank technology.

Background

The sewage treatment project is a comprehensive project which mainly improves the ecological environment and improves the living quality of rural residents, and is an environmental project which benefits people. After the sewage treatment station is built, the influence on the surrounding environment needs to be reduced as much as possible, the landscape ecosystem of the village can be greatly improved, particularly, the water environment of a river channel is greatly improved, the characteristics and local characteristics of the village are highlighted, the modernization of a new countryside is embodied, the rural residents and enterprises and public institutions in the surrounding area are benefited, and the residents in the countryside can participate in the work of rural domestic sewage treatment consciously, so that the rural domestic sewage treatment station is really beneficial to the people.

The MBR membrane is a novel sewage treatment technology combining an efficient membrane separation technology and an activated sludge method, and can be used for treating municipal or industrial sewage with higher organic matter content; however, the conventional MBR membrane module has some problems, for example, the high temperature in the ecological pool causes dead sludge to be piled up and fermented, and a plurality of high-viscosity bubbles appear; the treatment tank is not provided with a liquid level meter, so that the high liquid level is a false liquid level, and the actual liquid level is lower than the proper liquid level of the MBR membrane module, which is not beneficial to the stable and efficient operation of the MBR membrane module; therefore, the invention of the pollution-blocking-resistant MBR membrane module based on the ecological pool technology is very necessary.

Disclosure of Invention

In order to solve the technical problems, the invention provides a pollution and blockage resistant MBR membrane component based on an ecological tank technology, which comprises an ecological tank, a liquid inlet pipe, a metering pump, a grid component, an adding component, a cooling component, an MBR membrane component, a mud pump, a liquid outlet pipe, an aeration pump and a clamping groove, wherein the liquid inlet pipe is arranged at the middle position above one side of the ecological tank; the metering pump is arranged on the liquid inlet pipe; the ecological pool is provided with a plurality of clamping grooves, and the clamping grooves are formed in the front end and the rear end of one side, close to the liquid inlet pipe, above the ecological pool; the grid component is arranged on one side, close to the liquid inlet pipe, above the inner part of the ecological pool, and the front end and the rear end of the grid component are clamped in the clamping grooves; the adding assembly is arranged on one side, which is far away from the liquid inlet pipe, above the ecological pool; the cooling assembly is arranged above one side, close to the liquid inlet pipe, of the front side of the ecological pool; the MBR membrane module is arranged on one side of the ecological tank, which is far away from the liquid inlet pipe, and is connected with the ecological tank through a pipeline; the liquid outlet pipe is arranged in the middle of one side of the MBR membrane assembly, which is far away from the liquid inlet pipe; the sludge pump is arranged below the front side of the ecological pool; the aeration pump is arranged below the front side of the MBR membrane module.

Preferably, the anti-fouling MBR membrane module based on the ecological pool technology further comprises a temperature sensor, an electric control cabinet, a PLC controller and a baffle, wherein the temperature sensor and the electric control cabinet are arranged below the front side of the ecological pool; the PLC controller is arranged below the front side of the MBR membrane module; the baffle is arranged on one side of the interior of the ecological tank, which is far away from the liquid inlet pipe; temperature sensor detects the temperature value of sewage and mud in the ecological pond, when the temperature value that detects reaches the setting value, PLC controller control second solenoid valve and semiconductor cooler circular telegram operation, add water in toward the ecological pond through the conveyer pipe, semiconductor cooler refrigerates the water in the conveyer pipe simultaneously, cool down through adding quantitative cooling water in toward the ecological pond, avoid the ecological pond in high temperature and cause the fermentation of dying mud pile, prevent the high viscosity bubble from appearing, guarantee MBR membrane module normal operating.

Preferably, the grid assembly comprises a grid box, a clamping plate, a limiting plate, a grid net and a through groove, and the grid box is arranged on one side, close to the liquid inlet pipe, above the interior of the ecological pool; the plurality of clamping plates are arranged at two ends above the front side and the rear side of the grating box, and the tail ends of the clamping plates are clamped in the clamping grooves; the number of the limiting plates is multiple, the limiting plates are arranged at the lower end of one side, away from the grid box, of the clamping plate, and the inner sides of the limiting plates are attached to the outer side of the ecological pool; the grid net is arranged below the interior of the grid box; the through groove is formed in one side, close to the liquid inlet pipe, of the grid box and is aligned with the liquid inlet pipe, and the through groove is communicated with the interior of the liquid inlet pipe; sewage passes through the feed liquor pipe and gets into in the ecological pond, the grid net blocks the particle impurity in the sewage, reach the purpose of detaching particle impurity in the sewage, avoid particle impurity to get into the processing incasement and influence the water purification effect of MBR membrane body, the cardboard card is established in the draw-in groove, realize the detachable installation of grid case, be convenient for regularly take out grid case and cardboard and carry out the clearance of particle impurity, guarantee grid assembly normal operating, the inboard of limiting plate and the outside laminating of ecological pond, guarantee the stable of grid case and place, the phenomenon that the grid case removed appears when avoiding using, make logical groove align with the feed liquor pipe all the time, guarantee grid case normal operating.

Preferably, the adding assembly comprises a mounting plate, an adding box, an adding pipe, a first electromagnetic valve, a box cover and a material supplementing pipe, wherein the mounting plate is mounted on one side, which is far away from the liquid inlet pipe, above the ecological pool; the adding box is arranged in the middle above the mounting plate; the adding pipe is arranged below the adding box, and the lower end of the adding pipe penetrates below the mounting plate; the first electromagnetic valve is arranged on the adding pipe, is positioned below the mounting plate and is respectively connected with the electric control cabinet and the PLC through wires; the box cover is arranged above the adding box; the feed supplement pipe is arranged in the middle position above the box cover and is communicated with the inside of the adding box; the first solenoid valve circular telegram of PLC controller control is moved, through adding the pipe and toward adding quantitative organic nutrient in the ecological pond, make and keep sufficient biochemical nature in the ecological pond, guarantee to cultivate high activated sludge in the ecological pond, produce the high viscosity bubble when avoiding the booster pump to carry sewage through the pipeline toward handling the incasement, prevent that the high viscosity bubble from attaching to on MBR membrane body and influencing the water purification effect of MBR membrane body, improve the work efficiency of MBR membrane module.

Preferably, the cooling assembly comprises a conveying pipe, a semiconductor refrigerator and a second electromagnetic valve, and the conveying pipe is arranged above one side, close to the liquid inlet pipe, of the front side of the ecological pool; the semiconductor refrigerator is arranged on the conveying pipe and is respectively connected with the electric control cabinet and the PLC through wires; the second electromagnetic valve is arranged on the conveying pipe and positioned on the front side of the semiconductor refrigerator, and the second electromagnetic valve is respectively connected with the electric control cabinet and the PLC through leads.

Preferably, the MBR membrane module comprises a treatment box, an MBR membrane body, an assembly plate, a mounting groove, an aeration hole, an aeration pipe, a check valve and an electronic liquid level meter, wherein the treatment box is mounted on one side of the ecological tank, which is far away from the liquid inlet pipe, and is connected with the ecological tank through a pipeline; the mounting grooves are arranged in a plurality and clamped at two sides of the front side in the treatment box; the MBR membrane bodies are multiple, and the front end and the rear end of each MBR membrane body are clamped in the mounting grooves; the assembling plates are arranged on the front side and the rear side above the treatment box and are positioned above the mounting groove; the number of the aeration pipes is multiple, and the aeration pipes are arranged inside the inner wall of the treatment tank; the aeration holes are arranged at the bottom of the treatment box and communicated with the interiors of the corresponding aeration pipes; the number of the check valves is multiple, and the check valves are arranged at the front end of the aeration pipe; the electronic liquid level meter is arranged at the rear side of the treatment box; the electronic liquid level meter detects a liquid level value in the treatment tank, and the PLC controls the running states of the metering pump and the booster pump according to the detected liquid level value to control the liquid level in the treatment tank, so that the actual liquid level in the treatment tank is at a proper liquid level value for the MBR membrane body to work, and stable and efficient running of the MBR membrane assembly is facilitated; the check valve is installed at the front end on the aeration pipe, and the check valve is used for preventing the sewage in the treatment box from flowing backwards to the aeration pump through the aeration hole and the aeration pipe, and the check valve plays the protective action to the aeration pump, guarantees aeration pump normal operating, improves aeration pump's life.

Preferably, the ecological pool adopts a hollow structure; one end of the liquid inlet pipe, which is far away from the ecological pool, is connected with a sewage pipe through a pipeline; the metering pump is respectively connected with the electric control cabinet and the PLC through wires; the sludge pump is connected with the lower part of the interior of the ecological pool through a sludge discharge pipe, and the sludge pump is respectively connected with the electric control cabinet and the PLC through leads; the liquid outlet pipe is communicated with the inside of the treatment box; the aeration pump is respectively connected with the electric control cabinet and the PLC through wires; the draw-in groove adopts the cuboid structure, and the size and the cardboard size matching of draw-in groove.

Preferably, the detection probe of the temperature sensor is positioned inside the ecological pool; the electric control cabinet is connected with commercial power through a power line; the PLC is connected with the electric control cabinet through a wire; the baffle adopts the cuboid structure, and the baffle size matches with the inside size of ecological pool, and this baffle is located and adds the pipe below and deviates from one side of feed liquor pipe.

Preferably, the treatment box is of a hollow structure, a booster pump is arranged on a pipeline between the treatment box and the ecological pool, and the booster pump is respectively connected with the electric control cabinet and the PLC through leads; an aluminum alloy frame is arranged on the outer side of the MBR membrane body, the size of the aluminum alloy frame is matched with that of the mounting groove, and the upper end of the aluminum alloy frame is flush with the upper end of the treatment box; the assembling plate is of a cuboid structure, and the lower end of the assembling plate is attached to the upper end of the aluminum alloy frame; the outside of MBR membrane body is provided with the aluminum alloy frame, the size of aluminum alloy frame matches with the size of mounting groove, the upper end of aluminum alloy frame and the upper end parallel and level of handling the case, be convenient for carry out the installation and the dismantlement of MBR membrane body, be favorable to regularly taking out MBR membrane body and carry out the cleanness on its surface, guarantee the steady high-efficient operation of MBR membrane body, the lower extreme of equipment board and the upper end laminating of aluminum alloy frame, the equipment board is used for improving the firm nature of MBR membrane body installation, the phenomenon that the MBR membrane body appears rocking or removes when avoiding using.

Preferably, the mounting grooves are of a cuboid structure and are symmetrically arranged, and the mounting grooves are arranged at equal intervals; the aeration holes are arranged at equal intervals and are positioned on one side of the corresponding MBR membrane body close to the liquid inlet pipe; the aeration pipes are arranged at equal intervals, and the front ends of the aeration pipes are connected with an air outlet of the aeration pump; the number of the check valves is the same as that of the aeration pipes; a detection probe of the electronic liquid level meter is positioned inside the processing box, and the electronic liquid level meter is respectively connected with the electric control cabinet and the PLC controller through leads; during the use, the aeration pump carries out the aeration operation through aeration pipe and aeration pore pair treatment incasement, guarantees to handle the sewage oxygen content of incasement and satisfies the processing demand, and aeration pore bit is in the MBR membrane body that corresponds and is close to one side of feed liquor pipe simultaneously, and aeration is carried out the aeration and is washd in one side that MBR membrane body is close to the feed liquor pipe, avoids impurity to adhere to in the outside of MBR membrane body, improves the resistant stifled performance of fouling of MBR membrane body.

Compared with the prior art, the invention has the following beneficial effects:

1. according to the invention, the temperature sensor and the cooling assembly are arranged, the temperature sensor detects the temperature value of sewage and sludge in the ecological tank, when the detected temperature value reaches a set value, the PLC controls the second electromagnetic valve and the semiconductor refrigerator to be electrified and operated, water is added into the ecological tank through the conveying pipe, meanwhile, the semiconductor refrigerator refrigerates the water in the conveying pipe, and the temperature is reduced by adding quantitative cooling water into the ecological tank, so that the phenomenon that sludge is piled and fermented due to overhigh temperature in the ecological tank is avoided, high-viscosity bubbles are prevented, and the normal operation of an MBR membrane assembly is ensured.

2. According to the arrangement of the electronic liquid level meter, the electronic liquid level meter detects the liquid level value in the treatment tank, the PLC controls the running states of the metering pump and the booster pump according to the detected liquid level value, and controls the liquid level in the treatment tank, so that the actual liquid level in the treatment tank is at the proper liquid level value for the work of the MBR membrane body, and the stable and efficient running of the MBR membrane component is facilitated.

3. According to the arrangement of the grid assembly, sewage enters the ecological pool through the liquid inlet pipe, the grid net blocks particle impurities in the sewage, the purpose of removing the particle impurities in the sewage is achieved, the particle impurities are prevented from entering the treatment tank to influence the water purification effect of the MBR membrane body, the clamping plate is clamped in the clamping groove, the grid box is detachably mounted, the grid box and the clamping plate can be taken out regularly to clean the particle impurities conveniently, the normal operation of the grid assembly is guaranteed, the inner side of the limiting plate is attached to the outer side of the ecological pool, the stable placement of the grid box is guaranteed, the phenomenon that the grid box moves when in use is avoided, the through groove is always aligned with the liquid inlet pipe, and the normal operation of the grid box is guaranteed.

4. According to the arrangement of the adding assembly, the PLC controls the first electromagnetic valve to be electrified and operated, and quantitative organic nutrients are added into the ecological tank through the adding pipe, so that sufficient biochemical property is kept in the ecological tank, high-activity sludge is cultured in the ecological tank, high-viscosity bubbles are prevented from being generated when the booster pump conveys sewage into the treatment box through a pipeline, the high-viscosity bubbles are prevented from being attached to the MBR membrane body to influence the water purifying effect of the MBR membrane body, and the working efficiency of the MBR membrane assembly is improved.

5. When the MBR membrane module is used, the aeration pump performs aeration operation on the inside of the treatment box through the aeration pipe and the aeration hole to ensure that the oxygen content of sewage in the treatment box meets the treatment requirement, meanwhile, the aeration hole is positioned at one side of the corresponding MBR membrane body close to the liquid inlet pipe, and the aeration performs aeration washing on one side of the MBR membrane body close to the liquid inlet pipe, so that impurities are prevented from attaching to the outer side of the MBR membrane body, and the anti-fouling performance of the MBR membrane body is improved.

6. According to the arrangement of the assembling plate and the installing groove, the aluminum alloy frame is arranged on the outer side of the MBR membrane body, the size of the aluminum alloy frame is matched with that of the installing groove, the upper end of the aluminum alloy frame is flush with the upper end of the treating box, the MBR membrane body can be conveniently installed and disassembled, the MBR membrane body can be taken out periodically to clean the surface of the MBR membrane body, the stable and efficient operation of the MBR membrane body is ensured, the lower end of the assembling plate is attached to the upper end of the aluminum alloy frame, and the assembling plate is used for improving the firmness of the installation of the MBR membrane body and avoiding the phenomenon that the MBR membrane body shakes or moves when in use.

7. According to the invention, the check valve is arranged at the front end of the aeration pipe and is used for preventing sewage in the treatment tank from flowing back into the aeration pump through the aeration hole and the aeration pipe, and the check valve plays a role in protecting the aeration pump, so that the normal operation of the aeration pump is ensured, and the service life of the aeration pump is prolonged.

Drawings

Fig. 1 is a schematic structural view of the present invention.

Fig. 2 is a schematic structural diagram of the ecological pool, the baffle plate and the clamping groove of the invention.

Fig. 3 is a schematic view of the construction of the grill assembly of the present invention.

Fig. 4 is a schematic structural diagram of the additive assembly of the present invention.

Fig. 5 is a schematic structural diagram of another view of the add-on assembly of the present invention.

Fig. 6 is a schematic structural view of the cooling assembly of the present invention.

Fig. 7 is a schematic structural view of an MBR membrane module of the present invention.

FIG. 8 is a top view of a treatment tank of the present invention.

FIG. 9 is a schematic view showing the structure of a treatment tank, an aeration tube and a check valve according to the present invention.

In the figure:

1-an ecological pond, 2-a liquid inlet pipe, 3-a metering pump, 4-a grid assembly, 41-a grid box, 42-a clamping plate, 43-a limiting plate, 44-a grid net, 45-a through groove, 5-an adding assembly, 51-a mounting plate, 52-an adding box, 53-an adding pipe, 54-a first electromagnetic valve, 55-a box cover, 56-a supplementing pipe, 6-a cooling assembly, 61-a conveying pipe, 62-a semiconductor refrigerator, 63-a second electromagnetic valve, 7-an MBR membrane assembly, 71-a treating box, 72-an MBR membrane body, 73-an assembling plate, 74-a mounting groove, 75-an aeration hole, 76-an aeration pipe, 77-a check valve, 78-an electronic liquid level meter, 8-a mud pump, 9-a temperature sensor, 10-a liquid outlet pipe, 11-an aeration pump, 12-an electric control cabinet, 13-a PLC controller, 14-a baffle plate and 15-a clamping groove.

Detailed Description

The invention is further described below with reference to the accompanying drawings:

example (b):

as shown in figures 1 to 9

The invention provides a pollution and blockage resistant MBR (membrane bioreactor) membrane component based on an ecological pool technology, which comprises an ecological pool 1, a liquid inlet pipe 2, a metering pump 3, a grating component 4, an adding component 5, a cooling component 6, an MBR membrane component 7, a mud pump 8, a liquid outlet pipe 10, an aeration pump 11 and a clamping groove 15, wherein the liquid inlet pipe 2 is arranged in the middle position above one side of the ecological pool 1; the metering pump 3 is arranged on the liquid inlet pipe 2; a plurality of clamping grooves 15 are adopted, and the clamping grooves 15 are formed in the front end and the rear end of one side, close to the liquid inlet pipe 2, above the ecological pool 1; the grid component 4 is arranged at one side, close to the liquid inlet pipe 2, above the interior of the ecological pool 1, and the front end and the rear end of the grid component 4 are clamped in the clamping grooves 15; the adding component 5 is arranged on one side, which is far away from the liquid inlet pipe 2, above the ecological pool 1; the cooling component 6 is arranged above one side of the front side of the ecological pool 1 close to the liquid inlet pipe 2; the MBR membrane module 7 is arranged on one side of the ecological tank 1, which is far away from the liquid inlet pipe 2, and the MBR membrane module 7 is connected with the ecological tank 1 through a pipeline; the liquid outlet pipe 10 is arranged in the middle of one side of the MBR membrane module 7, which is far away from the liquid inlet pipe 2; the mud pump 8 is arranged below the front side of the ecological pool 1; the aeration pump 11 is arranged below the front side of the MBR membrane module 7; the ecological pool 1 adopts a hollow structure; one end of the liquid inlet pipe 2 departing from the ecological pool 1 is connected with a sewage pipe through a pipeline; the metering pump 3 is respectively connected with the electric control cabinet 12 and the PLC 13 through leads; the sludge pump 8 is connected with the lower part of the interior of the ecological pool 1 through a sludge discharge pipe, and the sludge pump 8 is respectively connected with the electric control cabinet 12 and the PLC 13 through leads; the liquid outlet pipe 10 is communicated with the inside of the treatment box 71; the aeration pump 11 is respectively connected with the electric control cabinet 12 and the PLC 13 through wires; the clamping groove 15 is of a cuboid structure, and the size of the clamping groove 15 is matched with that of the clamping plate 42; the electronic liquid level meter 78 detects the liquid level value in the treatment box 71, the PLC 13 controls the operation state of the metering pump 3 and the booster pump according to the detected liquid level value, and controls the liquid level in the treatment box 71, so that the actual liquid level in the treatment box 71 is at the proper liquid level value for the work of the MBR membrane body 72, and the stable and efficient operation of the MBR membrane assembly 7 is facilitated.

In the embodiment, the anti-fouling MBR membrane module based on the ecological pool technology further comprises a temperature sensor 9, an electric control cabinet 12, a PLC (programmable logic controller) 13 and a baffle 14, wherein the temperature sensor 9 and the electric control cabinet 12 are arranged below the front side of the ecological pool 1; the PLC 13 is arranged below the front side of the MBR membrane module 7; the baffle plate 14 is arranged on one side of the interior of the ecological pool 1, which is far away from the liquid inlet pipe 2; the detection probe of the temperature sensor 9 is positioned inside the ecological pool 1; the electric control cabinet 12 is connected with commercial power through a power line; the PLC 13 is connected with the electric control cabinet 12 through a wire; baffle 14 adopts the cuboid structure, and baffle 14's size and ecological pool 1 inside size match, and this baffle 14 is located and adds the pipe 53 below and deviates from one side of feed liquor pipe 2.

In this embodiment, the grid assembly 4 includes a grid box 41, a clamping plate 42, a limiting plate 43, a grid net 44 and a through groove 45, and the grid box 41 is disposed on one side of the upper portion inside the ecological pool 1, which is close to the liquid inlet pipe 2; a plurality of clamping plates 42 are adopted, the clamping plates 42 are arranged at two ends above the front side and the rear side of the grid box 41, and the tail ends of the clamping plates 42 are clamped in the clamping grooves 15; a plurality of limiting plates 43 are adopted, the limiting plates 43 are arranged at the lower end of one side of the clamping plate 42, which is far away from the grating box 41, and the inner sides of the limiting plates 43 are attached to the outer side of the ecological pool 1; the grill net 44 is installed below the inside of the grill case 41; the through groove 45 is formed in one side, close to the liquid inlet pipe 2, of the grid box 41, the through groove 45 is aligned with the liquid inlet pipe 2, and the through groove 45 is communicated with the inside of the liquid inlet pipe 2; sewage passes through feed liquor pipe 2 and gets into ecological pond 1 in, grid net 44 blocks the particle impurity in the sewage, reach the purpose of detaching particle impurity in the sewage, avoid particle impurity to get into and handle the incasement 71 and influence the water purification effect of MBR membrane body 72, cardboard 42 card is established in draw-in groove 15, realize the detachable installation of grid case 41, be convenient for regularly take out grid case 41 and cardboard 42 and carry out the clearance of particle impurity, guarantee grid assembly 4 normal operating, limiting plate 43's inboard and ecological pond 1's the outside laminating, guarantee the stable of grid case 41 and place, the phenomenon that removes appears in grid case 41 when avoiding using, make logical groove 45 align with feed liquor pipe 2 all the time, guarantee grid case 41 normal operating.

In this embodiment, the adding assembly 5 includes a mounting plate 51, an adding tank 52, an adding pipe 53, a first electromagnetic valve 54, a tank cover 55 and a feeding pipe 56, wherein the mounting plate 51 is mounted on one side of the ecological pool 1 away from the liquid inlet pipe 2; the addition tank 52 is installed at an intermediate position above the mounting plate 51; the adding pipe 53 is installed below the adding box 52, and the lower end of the adding pipe 53 penetrates below the mounting plate 51; the first electromagnetic valve 54 is installed on the adding pipe 53, the first electromagnetic valve 54 is positioned below the installing plate 51, and the first electromagnetic valve 54 is respectively connected with the electric control cabinet 12 and the PLC 13 through wires; the tank cover 55 is mounted above the addition tank 52; the material supplementing pipe 56 is arranged in the middle position above the box cover 55, and the material supplementing pipe 56 is communicated with the inside of the adding box 52; PLC controller 13 controls first solenoid valve 54 circular telegram operation, add quantitative organic nutrient through adding pipe 53 in toward ecological pool 1, make and keep sufficient biochemical nature in the ecological pool 1, guarantee to cultivate high activated sludge in the ecological pool 1, produce the high viscosity bubble when avoiding the booster pump to carry sewage through the pipeline toward handling the case 71, prevent that the high viscosity bubble from attaching to MBR membrane body 72 and influencing the water purification effect of MBR membrane body 72, improve the work efficiency of MBR membrane module 7.

In this embodiment, the cooling assembly 6 includes a delivery pipe 61, a semiconductor refrigerator 62, and a second electromagnetic valve 63, wherein the delivery pipe 61 is installed above one side of the front side of the ecological pool 1, which is close to the liquid inlet pipe 2; the semiconductor refrigerator 62 is arranged on the conveying pipe 61, and the semiconductor refrigerator 62 is respectively connected with the electric control cabinet 12 and the PLC 13 through wires; the second electromagnetic valve 63 is installed on the conveying pipe 61, the second electromagnetic valve 63 is positioned at the front side of the semiconductor refrigerator 62, and the second electromagnetic valve 63 is respectively connected with the electric control cabinet 12 and the PLC 13 through wires; temperature sensor 9 detects the temperature value of sewage and mud in ecological pool 1, when the temperature value that detects reaches the setting value, PLC controller 13 control second solenoid valve 63 and the circular telegram operation of semiconductor refrigerator 62, add water in toward ecological pool 1 through conveyer pipe 61, semiconductor refrigerator 62 refrigerates the water in conveyer pipe 61 simultaneously, cool down through adding quantitative cooling water toward ecological pool 1 in, avoid the high temperature in ecological pool 1 and cause the fermentation of dead mud pile set, prevent the high viscosity bubble from appearing, guarantee MBR 7 normal operating.

In this embodiment, the MBR membrane module 7 includes a treatment tank 71, an MBR membrane body 72, an assembly plate 73, a mounting groove 74, an aeration hole 75, an aeration pipe 76, a check valve 77, and an electronic level meter 78, the treatment tank 71 is mounted on a side of the ecological pool 1 away from the liquid inlet pipe 2, and the treatment tank 71 is connected with the ecological pool 1 through a pipeline; a plurality of mounting grooves 74 are adopted, and the mounting grooves 74 are clamped at two sides of the front side in the treatment box 71; a plurality of MBR membrane bodies 72 are adopted, and the front end and the rear end of each MBR membrane body 72 are clamped in the mounting grooves 74; the assembling plates 73 are arranged on the front side and the rear side above the processing box 71, and the assembling plates 73 are positioned above the mounting grooves 74; a plurality of aeration pipes 76 are adopted, and the aeration pipes 76 are arranged inside the inner wall of the treatment box 71; a plurality of aeration holes 75 are provided, and the aeration holes 75 are provided at the bottom of the treatment tank 71, and the aeration holes 75 communicate with the insides of the corresponding aeration pipes 76; a plurality of check valves 77 are adopted, and the check valves 77 are installed at the front end of the aeration pipe 76; an electronic level meter 78 is installed on the rear side of the treatment tank 71; the treatment box 71 is of a hollow structure, a booster pump is arranged on a pipeline between the treatment box 71 and the ecological pool 1, and the booster pump is respectively connected with the electric control cabinet 12 and the PLC 13 through leads; an aluminum alloy frame is arranged on the outer side of the MBR membrane body 72, the size of the aluminum alloy frame is matched with that of the mounting groove 74, and the upper end of the aluminum alloy frame is flush with the upper end of the treatment box 71; the assembling plate 73 is of a cuboid structure, and the lower end of the assembling plate 73 is attached to the upper end of the aluminum alloy frame; the mounting grooves 74 are of a rectangular parallelepiped structure, the mounting grooves 74 are symmetrically arranged, and the mounting grooves 74 are arranged at equal intervals; the aeration holes 75 are arranged at equal intervals, and the aeration holes 75 are positioned at one side of the corresponding MBR membrane body 72 close to the liquid inlet pipe 2; the aeration pipes 76 are arranged at equal intervals, and the front ends of the aeration pipes 76 are connected with the air outlet of the aeration pump 11; the number of the check valves 77 is the same as that of the aeration pipes 76; a detection probe of the electronic liquid level meter 78 is positioned inside the processing box 71, and the electronic liquid level meter 78 is respectively connected with the electric control cabinet 12 and the PLC 13 through leads; when the device is used, the aeration pump 11 performs aeration operation on the inside of the treatment tank 71 through the aeration pipe 73 and the aeration holes 75 to ensure that the oxygen content of sewage in the treatment tank 71 meets the treatment requirement, meanwhile, the aeration holes 75 are positioned at one side, close to the liquid inlet pipe 2, of the corresponding MBR membrane body 72, and aeration washing is performed on one side, close to the liquid inlet pipe 2, of the MBR membrane body 72, so that impurities are prevented from attaching to the outer side of the MBR membrane body 72, and the pollution and blockage resistant performance of the MBR membrane body 72 is improved; an aluminum alloy frame is arranged on the outer side of the MBR membrane body 72, the size of the aluminum alloy frame is matched with that of the mounting groove 74, the upper end of the aluminum alloy frame is flush with the upper end of the treatment box 71, so that the MBR membrane body 72 can be conveniently mounted and dismounted, the MBR membrane body 72 can be conveniently taken out periodically to clean the surface of the MBR membrane body 72, the stable and efficient operation of the MBR membrane body 72 is ensured, the lower end of an assembling plate 73 is attached to the upper end of the aluminum alloy frame, and the assembling plate 73 is used for improving the mounting firmness of the MBR membrane body 72 and avoiding the phenomenon that the MBR membrane body 72 shakes or moves when in use; check valve 77 is installed at the front end on aeration pipe 76, and check valve 77 is used for preventing the sewage in the processing case 71 to flow backwards to aeration pump 11 through aeration hole 75 and aeration pipe 76 in, and check valve 77 plays the guard action to aeration pump 11, guarantees aeration pump 11 normal operating, improves aeration pump 11's life.

Principle of operation

In the invention, when the device is used, the electric control cabinet 12 is connected with commercial power to supply power, the PLC 13 is electrified to operate and control, sewage enters the ecological pool 1 through the liquid inlet pipe 2, the grid net 44 blocks particle impurities in the sewage, the purpose of removing the particle impurities in the sewage is achieved, the particle impurities are prevented from entering the treatment box 71 to influence the water purification effect of the MBR membrane body 72, the clamping plate 42 is clamped in the clamping groove 15, the detachable installation of the grid box 41 is realized, the grid box 41 and the clamping plate 42 can be taken out periodically to clean the particle impurities, the grid component 4 is ensured to operate normally, the inner side of the limiting plate 43 is attached to the outer side of the ecological pool 1, the stable placement of the grid box 41 is ensured, the phenomenon that the grid box 41 moves during use is avoided, the through groove 45 is always aligned with the liquid inlet pipe 2, and the normal operation of the grid box 41 is ensured; the PLC 13 controls the first electromagnetic valve 54 to be electrified and operated, quantitative organic nutrients are added into the ecological tank 1 through the adding pipe 53, so that sufficient biochemical property is kept in the ecological tank 1, high-activity sludge is cultured in the ecological tank 1, high-viscosity bubbles are prevented from being generated when the booster pump conveys sewage into the treatment box 71 through a pipeline, the high-viscosity bubbles are prevented from being attached to the MBR membrane body 72 to influence the water purification effect of the MBR membrane body 72, and the working efficiency of the MBR membrane module 7 is improved; the temperature sensor 9 detects the temperature value of sewage and sludge in the ecological pool 1, when the detected temperature value reaches a set value, the PLC 13 controls the second electromagnetic valve 63 and the semiconductor refrigerator 62 to be electrified and operated, water is added into the ecological pool 1 through the conveying pipe 61, meanwhile, the semiconductor refrigerator 62 refrigerates the water in the conveying pipe 61, and the temperature is reduced by adding quantitative cooling water into the ecological pool 1, so that the phenomenon that the temperature in the ecological pool 1 is too high to cause dead sludge accumulation and fermentation is avoided, high-viscosity bubbles are prevented from occurring, and the normal operation of the MBR 7 is ensured; the aeration pump 11 performs aeration operation in the treatment tank 71 through the aeration pipe 73 and the aeration holes 75 to ensure that the oxygen content of the sewage in the treatment tank 71 meets the treatment requirement, meanwhile, the aeration holes 75 are positioned at one side of the corresponding MBR membrane body 72 close to the liquid inlet pipe 2, and the aeration performs aeration washing on one side of the MBR membrane body 72 close to the liquid inlet pipe 2 to avoid impurities from attaching to the outer side of the MBR membrane body 72 and improve the anti-fouling performance of the MBR membrane body 72; the outer side of the MBR membrane body 72 is provided with an aluminum alloy frame, the size of the aluminum alloy frame is matched with that of the mounting groove 74, the upper end of the aluminum alloy frame is flush with the upper end of the treatment box 71, so that the MBR membrane body 72 can be conveniently mounted and dismounted, the MBR membrane body 72 can be taken out periodically to clean the surface of the MBR membrane body 72, the stable and efficient operation of the MBR membrane body 72 is ensured, the lower end of the assembling plate 73 is attached to the upper end of the aluminum alloy frame, and the assembling plate 73 is used for improving the mounting firmness of the MBR membrane body 72 and avoiding the phenomenon that the MBR membrane body 72 shakes or moves when in use; the check valve 77 is arranged at the front end of the aeration pipe 76, the check valve 77 is used for preventing sewage in the treatment tank 71 from flowing back into the aeration pump 11 through the aeration hole 75 and the aeration pipe 76, and the check valve 77 plays a role in protecting the aeration pump 11, so that the normal operation of the aeration pump 11 is ensured, and the service life of the aeration pump 11 is prolonged; the electronic liquid level meter 78 detects the liquid level value in the treatment box 71, the PLC 13 controls the operation state of the metering pump 3 and the booster pump according to the detected liquid level value, and controls the liquid level in the treatment box 71, so that the actual liquid level in the treatment box 71 is at the proper liquid level value for the work of the MBR membrane body 72, and the stable and efficient operation of the MBR membrane assembly 7 is facilitated.

The technical solutions of the present invention or similar technical solutions designed by those skilled in the art based on the teachings of the technical solutions of the present invention are all within the scope of the present invention.

Claims

1. A resistant dirty stifled MBR membrane module based on ecological pool technique which characterized in that: the ecological pond comprises an ecological pond (1), a liquid inlet pipe (2), a metering pump (3), a grid assembly (4), an adding assembly (5), a cooling assembly (6), an MBR (membrane bioreactor) assembly (7), a mud pump (8), a liquid outlet pipe (10), an aeration pump (11) and a clamping groove (15), wherein the liquid inlet pipe (2) is arranged in the middle position above one side of the ecological pond (1); the metering pump (3) is arranged on the liquid inlet pipe (2); the ecological pool is characterized in that a plurality of clamping grooves (15) are formed, and the clamping grooves (15) are formed in the front end and the rear end of one side, close to the liquid inlet pipe (2), above the ecological pool (1); the grid component (4) is arranged on one side, close to the liquid inlet pipe (2), above the inner part of the ecological pool (1), and the front end and the rear end of the grid component (4) are clamped in the clamping grooves (15); the adding assembly (5) is arranged on one side, deviating from the liquid inlet pipe (2), above the ecological pool (1); the cooling assembly (6) is arranged above one side, close to the liquid inlet pipe (2), of the front side of the ecological pool (1); the MBR membrane module (7) is arranged on one side of the ecological pool (1) departing from the liquid inlet pipe (2), and the MBR membrane module (7) is connected with the ecological pool (1) through a pipeline; the liquid outlet pipe (10) is arranged in the middle of one side, away from the liquid inlet pipe (2), of the MBR membrane module (7); the mud pump (8) is arranged below the front side of the ecological pool (1); the aeration pump (11) is arranged below the front side of the MBR membrane module (7).

2. The ecological pool technology-based anti-fouling MBR membrane module as claimed in claim 1, wherein: the ecological pool also comprises a temperature sensor (9), an electric control cabinet (12), a PLC (programmable logic controller) controller (13) and a baffle (14), wherein the temperature sensor (9) and the electric control cabinet (12) are arranged below the front side of the ecological pool (1); the PLC (13) is arranged below the front side of the MBR membrane module (7); the baffle (14) is arranged on one side of the interior of the ecological pool (1) deviating from the liquid inlet pipe (2).

3. The ecological pool technology-based anti-fouling MBR membrane module as claimed in claim 1, wherein: the grid assembly (4) comprises a grid box (41), a clamping plate (42), a limiting plate (43), a grid net (44) and a through groove (45), wherein the grid box (41) is arranged on one side, close to the liquid inlet pipe (2), above the inner part of the ecological pool (1); the device is characterized in that a plurality of clamping plates (42) are adopted, the clamping plates (42) are arranged at two ends above the front side and the rear side of the grid box (41), and the tail ends of the clamping plates (42) are clamped in the clamping grooves (15); the number of the limiting plates (43) is multiple, the limiting plates (43) are arranged at the lower end of one side, away from the grid box (41), of the clamping plate (42), and the inner sides of the limiting plates (43) are attached to the outer side of the ecological pool (1); the grid net (44) is arranged below the inside of the grid box (41); the through groove (45) is formed in one side, close to the liquid inlet pipe (2), of the grid box (41), the through groove (45) is aligned with the liquid inlet pipe (2), and the through groove (45) is communicated with the interior of the liquid inlet pipe (2).

4. The ecological pool technology-based anti-fouling MBR membrane module as claimed in claim 1, wherein: the adding component (5) comprises a mounting plate (51), an adding box (52), an adding pipe (53), a first electromagnetic valve (54), a box cover (55) and a material supplementing pipe (56), wherein the mounting plate (51) is mounted on one side, deviating from the liquid inlet pipe (2), above the ecological pool (1); the adding box (52) is arranged in the middle position above the mounting plate (51); the adding pipe (53) is installed below the adding box (52), and the lower end of the adding pipe (53) penetrates below the mounting plate (51); the first electromagnetic valve (54) is arranged on the adding pipe (53), the first electromagnetic valve (54) is positioned below the mounting plate (51), and the first electromagnetic valve (54) is respectively connected with the electric control cabinet (12) and the PLC (13) through wires; the box cover (55) is arranged above the adding box (52); the material supplementing pipe (56) is arranged in the middle position above the box cover (55), and the material supplementing pipe (56) is communicated with the inside of the adding box (52).

5. The ecological pool technology-based anti-fouling MBR membrane module as claimed in claim 1, wherein: the cooling assembly (6) comprises a conveying pipe (61), a semiconductor refrigerator (62) and a second electromagnetic valve (63), wherein the conveying pipe (61) is arranged above one side, close to the liquid inlet pipe (2), of the front side of the ecological pool (1); the semiconductor refrigerator (62) is arranged on the conveying pipe (61), and the semiconductor refrigerator (62) is respectively connected with the electric control cabinet (12) and the PLC (13) through wires; the second electromagnetic valve (63) is installed on the conveying pipe (61), the second electromagnetic valve (63) is located on the front side of the semiconductor refrigerator (62), and the second electromagnetic valve (63) is connected with the electric control cabinet (12) and the PLC (13) through wires respectively.

6. The ecological pool technology-based anti-fouling MBR membrane module as claimed in claim 1, wherein: the MBR membrane module (7) comprises a treatment box (71), an MBR membrane body (72), an assembly plate (73), a mounting groove (74), an aeration hole (75), an aeration pipe (76), a check valve (77) and an electronic liquid level meter (78), wherein the treatment box (71) is mounted on one side of the ecological pool (1) deviating from the liquid inlet pipe (2), and the treatment box (71) is connected with the ecological pool (1) through a pipeline; the plurality of mounting grooves (74) are adopted, and the mounting grooves (74) are clamped on two sides of the front side in the treatment box (71); the MBR membrane bodies (72) are multiple, and the front end and the rear end of each MBR membrane body (72) are clamped in the mounting grooves (74); the assembling plates (73) are arranged on the front side and the rear side above the processing box (71), and the assembling plates (73) are positioned above the mounting grooves (74); a plurality of aeration pipes (76) are adopted, and the aeration pipes (76) are arranged inside the inner wall of the treatment box (71); the aeration holes (75) are arranged in plurality, the aeration holes (75) are arranged at the bottom of the treatment box (71), and the aeration holes (75) are communicated with the interiors of the corresponding aeration pipes (76); the number of the check valves (77) is multiple, and the check valves (77) are arranged at the front end of the aeration pipe (76); the electronic level meter (78) is mounted on the rear side of the treatment tank (71).

7. The ecological pool technology-based anti-fouling MBR membrane module as claimed in claim 1, wherein: the ecological pool (1) adopts a hollow structure; one end of the liquid inlet pipe (2) departing from the ecological pool (1) is connected with a sewage pipe through a pipeline; the metering pump (3) is respectively connected with the electric control cabinet (12) and the PLC (13) through wires; the sludge pump (8) is connected with the lower part inside the ecological pool (1) through a sludge discharge pipe, and the sludge pump (8) is respectively connected with the electric control cabinet (12) and the PLC (13) through leads; the liquid outlet pipe (10) is communicated with the inside of the treatment box (71); the aeration pump (11) is respectively connected with the electric control cabinet (12) and the PLC (13) through wires; the clamping groove (15) is of a cuboid structure, and the size of the clamping groove (15) is matched with that of the clamping plate (42).

8. The ecological pool technology-based anti-fouling MBR membrane module as claimed in claim 2, wherein: a detection probe of the temperature sensor (9) is positioned inside the ecological pool (1); the electric control cabinet (12) is connected with commercial power through a power line; the PLC (13) is connected with the electric control cabinet (12) through a wire; baffle (14) adopt the cuboid structure, and the size of baffle (14) matches with ecological pool (1) inside size, and this baffle (14) are located and add one side that deviates from feed liquor pipe (2) below pipe (53).

9. The ecological pond technology-based anti-fouling MBR membrane module of claim 6, which is characterized in that: the treatment box (71) is of a hollow structure, a booster pump is arranged on a pipeline between the treatment box (71) and the ecological pool (1), and the booster pump is respectively connected with the electric control cabinet (12) and the PLC (13) through leads; an aluminum alloy frame is arranged on the outer side of the MBR membrane body (72), the size of the aluminum alloy frame is matched with that of the mounting groove (74), and the upper end of the aluminum alloy frame is flush with the upper end of the treatment box (71); the assembling plate (73) is of a cuboid structure, and the lower end of the assembling plate (73) is attached to the upper end of the aluminum alloy frame.

10. The ecological pond technology-based anti-fouling MBR membrane module of claim 6, which is characterized in that: the mounting grooves (74) are of a cuboid structure, the mounting grooves (74) are symmetrically arranged, and the mounting grooves (74) are arranged at equal intervals; the aeration holes (75) are arranged at equal intervals, and the aeration holes (75) are positioned on one side of the corresponding MBR membrane body (72) close to the liquid inlet pipe (2); the aeration pipes (76) are arranged at equal intervals, and the front ends of the aeration pipes (76) are connected with an air outlet of the aeration pump (11); the number of the check valves (77) is the same as that of the aeration pipes (76); and a detection probe of the electronic liquid level meter (78) is positioned in the processing box (71), and the electronic liquid level meter (78) is respectively connected with the electric control cabinet (12) and the PLC (13) through leads.