Integrated MBR (Membrane Bioreactor) equipment

Abstract

The invention relates to the technical field of MBR equipment, in particular to integrated MBR equipment which comprises a grating pool, a regulating pool arranged at the right end of the grating pool, an aerobic pool arranged at the right end of the regulating pool, an MBR pool arranged at the right end of the aerobic pool, a water inlet pipe arranged on the left side of the outer surface of the grating pool, a guide plate arranged in the grating pool, and a conveying and filtering mechanism arranged at the upper end of the guide plate. A mixing mechanism is arranged at the front end of the mounting rack; a boss is arranged at the upper end of the rear surface of the aerobic tank; an air blower is arranged at the upper end of the boss; a microporous aeration mechanism is arranged at the lower end of the air blower; large particles and clotted dirt are collected through the row teeth on the surface of the conveying ramp, conveyed to the upper end and then conveyed by the conveying belt for follow-up treatment. The membrane cleaning mechanism cleans multiple groups of reaction membranes, and the cleaning rollers scrub and clean the surfaces of the two sides of the reaction membranes, so that the service life of the reaction membranes is prolonged, and the filtering effect is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of MBR equipment, and in particular to an integrated MBR equipment. Background Art

[0002] MBR equipment, the full name of which is membrane bioreactor, is a new type of efficient sewage treatment process that combines high-efficiency membrane separation technology with traditional activated sludge method. It utilizes all the advantages of membrane bioreactor, such as good effluent quality, low operating cost, strong system impact resistance, small amount of sludge, high degree of automation, etc. MBR equipment can be used as a small sewage reuse equipment or as the core treatment unit of a larger sewage treatment plant.

[0003] In the prior art, sewage containing flocs needs to be pretreated, stirred and mixed after adding flocculants, and then coagulated in a sedimentation tank. The integrated MBR equipment effectively reduces the operation steps and has the advantages of high degree of automation, small footprint and stable effluent quality.

[0004] One of the main problems in MBR technology is membrane fouling. The accumulation of organic matter, inorganic sediments, and microorganisms on the membrane surface and in the membrane pores will cause the membrane flux to decrease, affecting the treatment efficiency. Membrane fouling will increase the cleaning frequency and energy consumption, and even shorten the service life of the membrane. Due to physical damage, high-load use, chemical corrosion and other reasons, the membrane fibers may peel and break. Membrane fouling not only affects the flux of the membrane, but may also cause the quality of the effluent to deteriorate. After the membrane is contaminated, in order to maintain the same water production flux, the system may require a higher pressure, which will increase energy consumption. Regular cleaning can ensure that the effluent quality meets the expected standards, reduce additional energy consumption, and prevent permanent damage to the membrane, thereby extending the service life of the membrane and reducing the replacement frequency and production costs. Summary of the invention

[0005] The purpose of the present invention is to solve the shortcomings existing in the background technology and to propose an integrated MBR device.

[0006] In order to achieve the above purpose, the technical solution adopted by the present invention is: an integrated MBR equipment, including a grille pool, a regulating pool is provided at the right end of the grille pool, an aerobic pool is provided at the right end of the regulating pool, an MBR pool is provided at the right end of the aerobic pool, a water inlet pipe is provided on the left side of the outer surface of the grille pool, a guide plate is provided inside the grille pool, a conveying and filtering mechanism is provided at the upper end of the guide plate, a mounting bracket is provided on one side inside the regulating pool, a mixing mechanism is provided at the front end of the mounting bracket, a boss is provided on the upper end of the rear surface of the aerobic pool, a blower is provided on the upper end of the boss, a microporous aeration mechanism is provided at the lower end of the blower, a lifting motor is provided on one side of the inner wall of the MBR pool, and a membrane cleaning mechanism is provided at the lower end of the lifting motor.

[0007] Preferably, the conveying and filtering mechanism includes a platform fixedly mounted on the upper end of the guide plate, a rotating motor is provided at the upper end of the platform, a discharge port is provided at the rear end of the platform, a conveying ramp is provided between the guide plates, and a plurality of equidistantly arranged rows of teeth are provided on the surface of the conveying ramp.

[0008] Preferably, a limiting frame is provided at the upper end of the grille pool located below the discharge port, and a conveyor belt is provided at the upper end of the limiting frame.

[0009] Preferably, the mixing mechanism includes a driving motor fixedly mounted on the lower end of the front surface of the mounting bracket, a stirring blade is provided at the front end of the driving motor, a first drainer is provided on the right side of the lower surface of the inner wall of the regulating tank, a shunt pipe is provided at the output end of the first drainer, and the shunt pipe is connected to the interior of the aerobic tank.

[0010] Preferably, the microporous aeration mechanism includes an air supply pipe fixedly installed at the output end of the blower, a bronchial tube is provided at the lower end of the air supply pipe, a microporous aeration tube is provided at the upper end of the bronchial tube, a second drainer is provided on the right side inside the aerobic tank, a guide pipe is provided at the output end of the second drainer, and the guide pipe is connected to the inside of the regulating tank.

[0011] Preferably, a plurality of equally spaced mounting frames are provided inside the MBR pool, and a reaction membrane is provided on the upper end of each mounting frame.

[0012] Preferably, the membrane cleaning mechanism includes a guide rail fixedly installed on the left side of the inner wall of the MBR tank, a lifting slide rail is provided on the rear surface of the inner wall of the MBR tank, a lifting motor is provided at the upper end of the lifting slide rail, a lifting guide rod is provided at the output end of the lifting motor, a moving block is slidably installed on the lifting slide rail, a cleaning frame is provided at the front end of the moving block, and a plurality of equidistantly arranged cleaning rollers are rotatably installed inside the cleaning frame.

[0013] Preferably, a through groove is provided between the grid tank and the regulating tank, and a through groove is provided between the aerobic tank and the MBR tank.

[0014] Compared with the prior art, the present invention has the following beneficial effects:

[0015] 1. A conveying and filtering mechanism is arranged inside the grid pool of the present invention, and large particles and agglomerated dirt are collected by the row of teeth on the surface of the conveying ramp, and then conveyed to the upper end by a conveyor belt for subsequent treatment, thereby reducing the processing intensity of subsequent sewage treatment;

[0016] 2. The present invention is provided with multiple sets of drainage machines to transport water in the regulating tank and the aerobic tank to each other. The aerobic tank acts on pollutants in the sewage, thereby improving the sewage treatment effect;

[0017] 3. The present invention provides a membrane cleaning mechanism in the MBR pool for cleaning multiple groups of reaction membranes. The cleaning rollers scrub the surfaces on both sides of the reaction membranes, thereby improving the service life and filtering effect of the reaction membranes. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a structural schematic diagram of an integrated MBR device of the present invention;

[0019] Figure 2 A cross-sectional view of an integrated MBR device of the present invention;

[0020] Figure 3 A schematic diagram of a grid pool structure of an integrated MBR device of the present invention;

[0021] Figure 4 The present invention is an integrated MBR device Figure 3 Enlarged view of point A in the middle;

[0022] Figure 5 A cross-sectional view of a regulating tank structure of an integrated MBR device of the present invention;

[0023] Figure 6 This is a schematic diagram of the aerobic tank structure of an integrated MBR device of the present invention;

[0024] Figure 7 A schematic diagram of the MBR pool structure of an integrated MBR device of the present invention;

[0025] Figure 8 This is a schematic diagram of the membrane cleaning mechanism structure of an integrated MBR device of the present invention.

[0026] In the figure: 1, grille pool; 2, regulating pool; 3, aerobic pool; 4, MBR pool; 5, water inlet pipe; 6, through slot; 7, mounting frame; 8, reaction membrane; 9, boss; 101, guide plate; 102, conveying ramp; 103, row of teeth; 104, stand; 105, rotating motor; 106, discharge port; 107, conveyor belt; 108, limit frame; 201, mounting bracket; 202, driving motor ; 203, stirring blade; 204, first drain fan; 205, diversion pipe; 301, microporous aeration pipe; 302, blower; 303, gas pipe; 304, guide pipe; 305, second drain fan; 306, bronchial tube; 401, cleaning rack; 402, guide rail; 403, lifting motor; 404, moving block; 405, cleaning roller; 406, lifting guide rod; 407, lifting slide rail. DETAILED DESCRIPTION

[0027] The following description is used to disclose the present invention so that those skilled in the art can implement the present invention. The preferred embodiments described below are only examples, and those skilled in the art may think of other obvious variations.

[0028] like Figure 1-Figure 8 An integrated MBR device is shown, comprising a grille pool 1, a regulating pool 2 is provided at the right end of the grille pool 1, an aerobic pool 3 is provided at the right end of the regulating pool 2, an MBR pool 4 is provided at the right end of the aerobic pool 3, a water inlet pipe 5 is provided on the left side of the outer surface of the grille pool 1, a guide plate 101 is provided inside the grille pool 1, a conveying and filtering mechanism is provided on the upper end of the guide plate 101, a mounting bracket 201 is provided on one side inside the regulating pool 2, a mixing mechanism is provided on the front end of the mounting bracket 201, a boss 9 is provided on the upper end of the rear surface of the aerobic pool 3, a blower 302 is provided on the upper end of the boss 9, a microporous aeration mechanism is provided on the lower end of the blower 302, a lifting motor 403 is provided on one side of the inner wall of the MBR pool 4, and a membrane cleaning mechanism is provided on the lower end of the lifting motor 403.

[0029] like Figure 2 As shown, a through groove 6 is provided between the grille tank 1 and the regulating tank 2, and a through groove 6 is provided between the aerobic tank 3 and the MBR tank 4. The sewage enters the grille tank 1 through the water inlet pipe 5, and then naturally flows into the regulating tank 2 through the through groove 6. At this time, the sewage is filtered and transported to the aerobic tank 3 through the first drainage machine 204. The sewage inside the aerobic tank 3 naturally flows into the MBR tank 4 through the through groove 6 for treatment.

[0030] like Figure 3 , Figure 4 As shown, the conveying and filtering mechanism includes a platform 104 fixedly mounted on the upper end of the guide plate 101, a rotating motor 105 is provided on the upper end of the platform 104, a discharge port 106 is provided at the rear end of the platform 104, a conveying ramp 102 is provided between the guide plates 101, and a plurality of equidistantly arranged row teeth 103 are provided on the surface of the conveying ramp 102. Large particles and clumped flocs in the sewage are collected by the rising row teeth 103, lifted to the discharge port 106 and then fall into the conveyor belt 107 at the lower end, so as to facilitate centralized treatment by the staff.

[0031] A limiting frame 108 is provided at the upper end of the grille tank 1 and the lower end of the discharge port 106 , and a conveyor belt 107 is provided at the upper end of the limiting frame 108 .

[0032] like Figure 5 As shown, the mixing mechanism includes a driving motor 202 fixedly mounted on the lower end of the front surface of the mounting bracket 201, a stirring blade 203 is provided at the front end of the driving motor 202, a first drainer 204 is provided on the right side of the lower surface of the inner wall of the regulating tank 2, a shunt pipe 205 is provided at the output end of the first drainer 204, and the shunt pipe 205 is connected to the inside of the aerobic tank 3. The stirring blade 203 fully mixes the sewage to prevent sludge precipitation and improve the reaction efficiency.

[0033] like Figure 6 As shown, the microporous aeration mechanism includes an air pipe 303 fixedly installed at the output end of the blower 302, a bronchial tube 306 is provided at the lower end of the air pipe 303, a microporous aeration tube 301 is provided at the upper end of the bronchial tube 306, a second drainer 305 is provided on the right side of the aerobic tank 3, a guide tube 304 is provided at the output end of the second drainer 305, and the guide tube 304 is connected to the inside of the regulating tank 2. The microporous aeration mechanism can maintain a certain dissolved oxygen concentration in the aerobic tank 3, and use aerobic microorganisms to decompose organic matter in the sewage, thereby further reducing the organic matter content in the sewage.

[0034] A plurality of mounting frames 7 are arranged equidistantly inside the MBR pool 4. A reaction membrane 8 is provided at the upper end of each mounting frame 7. The reaction membrane 8 is the core device of the MBR pool 4. The membrane separation technology is used to treat the wastewater from the biological reactor. The purpose of the centralized arrangement of multiple groups is to facilitate quick cleaning and subsequent maintenance.

[0035] like Figure 7-Figure 8 As shown, the membrane cleaning mechanism includes a guide rail 402 fixedly installed on the left side of the inner wall of the MBR tank 4, a lifting rail 407 is provided on the rear surface of the inner wall of the MBR tank 4, a lifting motor 403 is provided on the upper end of the lifting rail 407, a lifting guide rod 406 is provided on the output end of the lifting motor 403, a moving block 404 is slidably installed on the lifting rail 407, a cleaning frame 401 is provided at the front end of the moving block 404, and a plurality of cleaning rollers 405 arranged equidistantly are rotatably installed inside the cleaning frame 401. After long-term use, a large amount of dirt will remain on the surface of the reaction membrane 8. The contaminated reaction membrane 8 not only has a decreased flux, but also requires a higher pressure to maintain the original water production flux, resulting in increased energy consumption. Regular cleaning using the membrane cleaning mechanism can reduce additional energy consumption and prevent permanent damage to the reaction membrane 8, thereby extending the service life of the membrane and reducing the replacement frequency and cost.

[0036] Working principle: External sewage is input into the grille pool 1 through the water inlet pipe 5. The sewage that has not been pretreated contains a large amount of large particles and agglomerated flocs. The rotating motor 105 is activated to drive the conveying ramp 102 to convey it upward. The surface of the conveying ramp 102 is provided with a number of equidistantly arranged rows of teeth 103. The large impurities and flocs inside the sewage are collected by the rows of teeth 103 and conveyed to the discharge port 106 by the conveying ramp 102. A limit frame 108 is provided at the upper end of the grille pool 1 at the lower end of the discharge port 106. A conveyor belt 107 for conveying is provided at the upper end of the limit frame 108 to convey the collected large impurities and flocs outward for centralized treatment.

[0037] The initially screened sewage flows into the regulating tank 2 through the through slot 6, and the stirring blade 203 is driven by the driving motor 202 to rotate, so that the sewage in the regulating tank 2 is fully mixed to prevent the sludge mixed therein from settling, thereby improving the reaction efficiency of sewage treatment. A first drainer 204 is installed on the right side of the regulating tank 2, and the first drainer 204 transports the sewage in the regulating tank 2 to the aerobic tank 3 through the diversion pipe 205.

[0038] A blower 302 is provided on one side of the aerobic pool 3. The blower 302 delivers external air to the bronchial tube 306 through the air delivery pipe 303, and delivers air to the microporous aeration tube 301 through the bronchial tube 306. The microporous aeration tube 301 provides sufficient oxygen to the MBR pool 4 to meet the metabolic needs of aerobic microorganisms. These microorganisms use oxygen to decompose organic matter in sewage, and the microporous aeration tube 301 increases the gas-liquid contact area by generating tiny bubbles, thereby improving the oxygen transfer efficiency and dissolved oxygen level. A second drainer 305 is also provided inside the aerobic pool 3, and the water body is delivered to the regulating pool 2 through the guide pipe 304 through the second drainer 305, thereby achieving the purpose of repeated participation in treatment.

[0039] After the sewage in the aerobic tank 3 overflows, it flows into the MBR tank 4 through the through groove 6. The reaction membrane 8 is the core component of the MBR tank 4. The reaction membrane 8 realizes the efficient separation between the activated sludge and the organic matter of the powder machine and the treated water body. Due to the interception of the reaction membrane 8, the microorganisms in the activated sludge are completely intercepted in the bioreactor, which makes it possible to maintain a higher microbial concentration in the system and improves the overall removal efficiency of the reaction device for pollutants.

[0040] A membrane cleaning mechanism is provided on one side of the MBR pool 4, which is used to regularly clean the surface of the reaction membrane 8 to prevent a large amount of organic matter, inorganic sediments, microorganisms, etc. from remaining on the surface after long-term use, and the flocculent matter is difficult to completely remove. In order to ensure the aquatic flux of the reaction membrane 8, it needs to be cleaned regularly. A moving block 404 is slidably installed at the front end of the lifting rail 407, and a cleaning frame 401 is fixedly installed at the front end of the moving block 404. The cleaning frame 401 slides along the guide rail 402 through the lifting motor 403. A number of equidistantly arranged cleaning rollers 405 are rotatably installed inside the cleaning frame 401, and are driven up and down by the lifting motor 403. A number of mounting frames 7 are equidistantly installed in the MBR pool 4, and a reaction membrane 8 is clamped on the upper end of each mounting frame 7. The surfaces on both sides of the reaction membrane 8 are cleaned by lifting and lowering the cleaning roller 405, which effectively improves the service life and work efficiency of the reaction membrane 8.

[0041] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions only describe the principles of the present invention. The present invention may be subject to various changes and improvements without departing from the spirit and scope of the present invention. These changes and improvements fall within the scope of the present invention. The scope of protection claimed by the present invention is defined by the attached claims and their equivalents.

Claims

1. An integrated MBR device, comprising a grid tank (1), characterized in that: A regulating tank (2) is provided at the right end of the regulating tank (1), an aerobic tank (3) is provided at the right end of the regulating tank (2), an MBR tank (4) is provided at the right end of the aerobic tank (3), a water inlet pipe (5) is provided on the left side of the outer surface of the grille tank (1), a guide plate (101) is provided inside the grille tank (1), a conveying and filtering mechanism is provided at the upper end of the guide plate (101), a mounting bracket (201) is provided at one side inside the regulating tank (2), a mixing mechanism is provided at the front end of the mounting bracket (201), a boss (9) is provided at the upper end of the rear surface of the aerobic tank (3), a blower (302) is provided at the upper end of the boss (9), a microporous aeration mechanism is provided at the lower end of the blower (302), a lifting motor (403) is provided at one side of the inner wall of the MBR tank (4), a membrane cleaning mechanism is provided at the lower end of the lifting motor (403).

2. An integrated MBR device according to claim 1, characterized in that: The conveying and filtering mechanism comprises a platform (104) fixedly mounted on the upper end of the guide plate (101), a rotating motor (105) being provided on the upper end of the platform (104), a discharge port (106) being provided at the rear end of the platform (104), a conveying ramp (102) being provided between the guide plates (101), and a plurality of rows of teeth (103) being arranged at equal distances being provided on the surface of the conveying ramp (102).

3. An integrated MBR device according to claim 2, characterized in that: The upper end of the grille pool (1) is located at the lower end of the discharge port (106) and is provided with a limiting frame (108), and the upper end of the limiting frame (108) is provided with a conveyor belt (107).

4. An integrated MBR device according to claim 1, characterized in that: The mixing mechanism comprises a driving motor (202) fixedly mounted on the lower end of the front surface of the mounting bracket (201), a stirring blade (203) being provided at the front end of the driving motor (202), a first drainer (204) being provided on the right side of the lower surface of the inner wall of the regulating tank (2), a shunt pipe (205) being provided at the output end of the first drainer (204), and the shunt pipe (205) being connected to the interior of the aerobic tank (3).

5. An integrated MBR device according to claim 1, characterized in that: The microporous aeration mechanism comprises an air delivery pipe (303) fixedly mounted at the output end of a blower (302); a bronchial pipe (306) is provided at the lower end of the air delivery pipe (303); a microporous aeration pipe (301) is provided at the upper end of the bronchial pipe (306); a second drainer (305) is provided on the right side inside the aerobic tank (3); a guide pipe (304) is provided at the output end of the second drainer (305); and the guide pipe (304) is connected to the inside of the regulating tank (2).

6. An integrated MBR device according to claim 1, characterized in that: A plurality of mounting frames (7) arranged at equal distances are arranged inside the MBR pool (4), and a reaction membrane (8) is arranged at the upper end of each mounting frame (7).

7. An integrated MBR device according to claim 1, characterized in that: The membrane cleaning mechanism comprises a guide rail (402) fixedly mounted on the left side of the inner wall of the MBR tank (4); a lifting rail (407) is arranged on the rear surface of the inner wall of the MBR tank (4); a lifting motor (403) is arranged on the upper end of the lifting rail (407); a lifting guide rod (406) is arranged on the output end of the lifting motor (403); a moving block (404) is slidably mounted on the lifting rail (407); a cleaning frame (401) is arranged at the front end of the moving block (404); and a plurality of cleaning rollers (405) arranged at equal distances are rotatably mounted inside the cleaning frame (401).

8. An integrated MBR device according to claim 1, characterized in that: A through groove (6) is provided between the grid tank (1) and the regulating tank (2), and a through groove (6) is provided between the aerobic tank (3) and the MBR tank (4).

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