Integrated MBR (Membrane Bioreactor) sewage treatment equipment

Through the combined cleaning method of chemical spraying, ultrasonic vibration and coagulant, the problem of membrane contamination in MBR equipment is solved, efficient membrane bioreactor cleaning is achieved and dirt is prevented from adhesion again, and the service life of the equipment is extended.

CN223175935UActive Publication Date: 2025-08-01ZHUHAI HUAYUE ENVIRONMENTAL PROTECTION ENG CO LTD
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Patent Information

Application Number
CN202421955065.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-13
Publication Date
2025-08-01
Estimated Expiration
2034-08-13

AI Technical Summary

Technical Problem

When existing MBR equipment cleans up membrane pollution, water backwashing cannot effectively remove organic matter on the surface of the membrane, affecting the service life of the equipment and the quality of the effluent water.

Method used

The membrane bioreactor is cleaned by combining agent spraying, ultrasonic vibration and coagulation aid. The cleaning agent is sprayed onto the surface of the membrane through a medicine pump. The ultrasonic generator vibrates. The coagulation aids cause the dirt to condense and discharge it from the thrust.

Benefits of technology

It realizes automatic cleaning of membrane bioreactors, with good cleaning effect and prevents dirt from sticking again, and extends the life of the equipment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses integrated MBR (Membrane Bioreactor) sewage treatment equipment. The device comprises a separation tank, a membrane bioreactor is arranged at the bottom end in the separation tank, a motor is arranged on one side of the separation tank, a worm is arranged at the output end of the motor, two sets of rotating rods are arranged on the sides, close to each other, of the separation tank, worm wheels are arranged on the surfaces of the two sets of rotating rods in a sleeving mode, and two sets of mounting plates are arranged on one sides of the two sets of rotating rods. An ultrasonic generator is arranged on one side of the mounting plate, a baffle is arranged on one side in the separation tank, two first water pipes are arranged at the top end of the membrane bioreactor, multiple second water pipes are arranged on the sides, close to each other, of the two first water pipes, multiple nozzles are arranged on one sides of the second water pipes, and a pesticide storage box is arranged on one side of the separation tank; when the membrane bioreactor cleaning device is used, the membrane bioreactor can be automatically cleaned, and the membrane bioreactor cleaning device is convenient to clean and good in effect.
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Description

Technical Field

[0001] The utility model relates to the technical field of sewage treatment, in particular to an integrated MBR sewage treatment device. Background Technique

[0002] Integrated MBR sewage treatment, namely membrane bioreactor (abbreviated as MBR) sewage treatment technology, is an efficient, environmentally friendly and energy-saving sewage treatment method in the modern sewage treatment field. It combines the advantages of biological treatment technology and membrane separation technology, and through the efficient interception of the membrane module, it realizes the effective removal and recycling of pollutants in sewage.

[0003] MBR equipment has high efficiency in sewage treatment, but membrane fouling is an inevitable problem. Membrane fouling will affect the membrane flux and separation effect, and then affect the effluent quality and treatment efficiency.

[0004] When the existing MBR equipment is cleaned, it usually adopts backwashing with water, so a large amount of organic matter attached to the membrane surface cannot be completely removed, which affects the service life of the MBR equipment. Content of the Utility Model

[0005] The purpose of the utility model is to provide an integrated MBR sewage treatment device to solve the problems raised in the above background technique.

[0006] To achieve the above purpose, the utility model provides the following technical solution: including a separation tank, a membrane bioreactor is provided at the bottom end inside the separation tank, a motor is provided on one side of the separation tank, a worm is provided at the output end of the motor, two groups of rotating rods are provided on the mutually close sides of the separation tank, worm wheels are sleeved on the surfaces of the two groups of rotating rods, two groups of mounting plates are provided on one side of each of the two groups of rotating rods, an ultrasonic generator is provided on one side of the mounting plate, a baffle is provided on one side inside the separation tank, two groups of water pipes one are provided at the top end of the membrane bioreactor, a plurality of water pipes two are provided on the mutually close sides of the two groups of water pipes one, a plurality of nozzles are provided on one side of the water pipe two, a medicine storage tank is provided on one side of the separation tank, a medicine pump is provided at the bottom end inside the medicine storage tank, a water delivery pipe is provided at the water delivery end of the medicine pump, the other end of the water delivery pipe is connected with a three-way pipe one, and the other end of the three-way pipe one is connected and communicated with the water pipe one.

[0007] Preferably, a coagulant aid tank is provided at the top end of the separation tank, a water pump is provided at the bottom end inside the coagulant aid tank, the output end of the water pump is connected with a three-way pipe two, and the other end of the three-way pipe two penetrates through the baffle and extends into the separation tank.

[0008] Preferably, a stirrer is provided on one side inside the separation tank, and a sewage discharge port is provided on one side of the separation tank.

[0009] Preferably, a long hole is formed in one side of the baffle, and the long hole is located directly below the mounting plate.

[0010] Preferably, the worm is meshed with the worm wheel.

[0011] Preferably, a disinfection tank is provided on one side of the separation tank, a reaction tank is provided on the other side, and an adjustment tank is provided on the other side of the reaction tank.

[0012] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0013] When cleaning the membrane bioreactor, the cleaning agent is pumped into the first three-way pipe through the medicine pump, and is transmitted to two groups of the first water pipes and multiple groups of the second water pipes through the first three-way pipe. The cleaning agent is sprayed into the membrane bioreactor through the nozzles below the second water pipes. At the same time, the motor rotates the worm, the worm rotates the worm wheel, the worm wheel drives the rotating rod, and the rotating rod rotates the mounting plate to rotate to the membrane bioreactor below the baffle through the long hole. The ultrasonic generator installed on the mounting plate vibrates the membrane bioreactor through the medicine medium. Under the combined action of the cleaning agent and ultrasonic vibration, the dirt attached to the membrane bioreactor is cleaned and dropped. Then, the water pump sends the coagulant in the coagulant tank into the separation tank through the second three-way pipe. The dirt cleaned in the membrane bioreactor is coagulated by the coagulant and falls to the bottom of the separation tank, preventing the cleaned dirt from adhering to the membrane bioreactor again. Finally, the pusher pushes the coagulated dirt out through the sewage outlet to complete the cleaning of the membrane bioreactor. When in use, the present utility model can automatically clean the membrane bioreactor, and the cleaning is convenient and the effect is good. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 is a schematic diagram of the overall structure of an integrated MBR sewage treatment device of the present utility model;

[0015] Figure 2 is a schematic diagram of a partial structure of an integrated MBR sewage treatment device of the present utility model;

[0016] Figure 3 is a schematic diagram of a partial structure of an integrated MBR sewage treatment device of the present utility model.

[0017] In the figure: 1, separation tank; 2, disinfection tank; 3, reaction tank; 4, adjustment tank; 5, membrane bioreactor; 6, motor; 7, worm; 8, rotating rod; 9, worm wheel; 10, mounting plate; 11, ultrasonic generator; 12, baffle; 13, first water pipe; 14, second water pipe; 15, nozzle; 16, medicine storage tank; 17, medicine pump; 18, water delivery pipe; 19, first three-way pipe; 20, coagulant tank; 21, water pump; 22, second three-way pipe; 23, pusher; 24, sewage outlet. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0018] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present utility model.

[0019] Please refer to Figures 1-3 , the present utility model provides a technical solution: including a separation tank 1, a membrane bioreactor 5 is provided at the bottom end inside the separation tank 1, a motor 6 is provided on one side of the separation tank 1, a worm 7 is provided at the output end of the motor 6, two groups of rotating rods 8 are provided on the mutually close sides of the separation tank 1, worm wheels 9 are sleeved on the surfaces of the two groups of rotating rods 8, two groups of mounting plates 10 are provided on one side of the two groups of rotating rods 8, an ultrasonic generator 11 is provided on one side of the mounting plate 10, a baffle 12 is provided on one side inside the separation tank 1, two groups of water pipes 13 are provided at the top end of the membrane bioreactor 5, a plurality of water pipes 14 are provided on the mutually close sides of the two groups of water pipes 13, a plurality of nozzles 15 are provided on one side of the water pipe 14, a medicine storage tank 16 is provided on one side of the separation tank 1, a medicine pump 17 is provided at the bottom end inside the medicine storage tank 16, a water delivery pipe 18 is provided at the water delivery end of the medicine pump 17, the other end of the water delivery pipe 18 is connected with a tee pipe 19, and the other end of the tee pipe 19 is connected and communicated with the water pipe 13.

[0020] Refer to Figure 2 , a coagulant aid tank 20 is provided at the top end of the separation tank 1, a water pump 21 is provided at the bottom end inside the coagulant aid tank 20, the output end of the water pump 21 is connected with a tee pipe 22, and the other end of the tee pipe 22 penetrates through the baffle 12 and extends into the separation tank 1;

[0021] By adopting the above technical solution, the water pump 21 sends the coagulant aid in the coagulant aid tank 20 into the separation tank 1 through the tee pipe 22, and the dirt cleaned in the membrane bioreactor 5 is coagulated by the coagulant aid and then falls to the bottom end of the separation tank, preventing the cleaned dirt from adhering to the membrane bioreactor 5 again.

[0022] Refer to Figure 3 , a pusher 23 is provided on one side inside the separation tank 1, and a sewage outlet 24 is provided on one side of the separation tank 1;

[0023] By adopting the above technical solution, the pusher 23 pushes the coagulated dirt out through the sewage outlet 24.

[0024] Refer to Figure 2 , a long hole is opened on one side of the baffle 12, and the long hole is located directly below the mounting plate 10;

[0025] By adopting the above technical solution, when treating sewage, the ultrasonic generator 11 can be isolated by the baffle 12 to prevent damage. When cleaning the membrane bioreactor 5, the motor 6 rotates the worm 7, the worm 7 rotates the worm gear 9, the worm gear 9 drives the rotating rod 8, and the rotating rod 8 rotates the mounting plate 10 to rotate through the long hole to the membrane bioreactor 5 below the baffle 12. The ultrasonic generator 11 installed on the mounting plate 10 vibrates the membrane bioreactor 5, and the dirt attached to the membrane bioreactor 5 vibrates and falls off. After the cleaning is completed, the mounting plate 10 resets above the baffle 12.

[0026] Refer to Figure 2 , the worm 7 meshes with the worm gear 9;

[0027] By adopting the above technical solution, the motor 6 rotates the worm 7, the worm 7 rotates the worm gear 9, the worm gear 9 drives the rotating rod 8, and the rotating rod 8 rotates the mounting plate 10 for subsequent operations.

[0028] Refer to Figure 1 , a disinfection tank 2 is provided on one side of the separation tank 1, and a reaction tank 3 is provided on the other side. An adjustment tank 4 is provided on the other side of the reaction tank 3;

[0029] By adopting the above technical solution, large particulate impurities in the sewage are removed through the adjustment tank 1 and the water quality and water volume are adjusted. The sewage after water quality adjustment enters the reaction tank 3, and organic pollutants are degraded and transformed under the action of microorganisms. The sewage treated by the bioreactor enters the separation tank 1 for solid-liquid separation to obtain purified water. The purified water is disinfected and then used or discharged subsequently.

[0030] Working principle: When cleaning the membrane bioreactor 5, the cleaning agent is pumped into the tee 19 by the chemical pump 17, and is transmitted to the two groups of water pipes 13 and multiple groups of water pipes 14 through the tee 19. The cleaning agent is sprayed into the membrane bioreactor 5 through the nozzles 15 below the water pipes 14. At the same time, the motor 6 rotates the worm 7, the worm 7 rotates the worm gear 9, the worm gear 9 drives the rotating rod 8, and the rotating rod 8 rotates the mounting plate 10 to rotate through the long hole to the membrane bioreactor 5 below the baffle 12. The ultrasonic generator 11 installed on the mounting plate 10 vibrates the membrane bioreactor 5 through the chemical agent medium. Under the combined action of the chemical agent and ultrasonic vibration, the dirt attached to the membrane bioreactor 5 is cleaned and falls off. Then, the water pump 21 sends the coagulant in the coagulant tank 20 into the separation tank 1 through the tee 22. The dirt cleaned in the membrane bioreactor 5 is coagulated by the coagulant and then falls to the bottom of the separation tank to prevent the cleaned dirt from adhering to the membrane bioreactor 5 again. Finally, the pusher 23 pushes the coagulated dirt out through the sewage outlet 24 to complete the cleaning of the membrane bioreactor 5.

[0031] When in use, the utility model can automatically clean the membrane bioreactor, with convenient cleaning and good effect.

[0032] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements not only includes those elements, but also includes other elements not expressly listed, or also includes elements inherent to such process, method, article or device.

[0033] Although the embodiments of the present utility model have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present utility model, and the scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. An integrated MBR sewage treatment device, including a separation tank (1), characterized in that: Inside the bottom end of the separation tank (1), there is a membrane bioreactor (5). On one side of the separation tank (1), there is a motor (6). The output end of the motor (6) is provided with a worm (7). On the mutually close sides of the separation tank (1), there are two groups of rotating rods (8). On the surfaces of the two groups of rotating rods (8), there are worm wheels (9) sleeved. On one side of each of the two groups of rotating rods (8), there are two groups of mounting plates (10). On one side of the mounting plate (10), there is an ultrasonic generator (11). On one side inside the separation tank (1), there is a baffle (12). On the top of the membrane bioreactor (5), there are two groups of water pipes one (13). On the mutually close sides of the two groups of water pipes one (13), there are multiple groups of water pipes two (14). On one side of the water pipe two (14), there are multiple groups of nozzles (15). On one side of the separation tank (1), there is a medicine storage tank (16). Inside the bottom end of the medicine storage tank (16), there is a medicine pump (17). The water delivery end of the medicine pump (17) is provided with a water delivery pipe (18). The other end of the water delivery pipe (18) is connected with a tee pipe one (19). The other end of the tee pipe one (19) is connected and communicated with the water pipe one (13).

2. An integrated MBR sewage treatment device according to claim 1, characterized in that: On the top of the separation tank (1), there is a coagulant aid tank (20). Inside the bottom end of the coagulant aid tank (20), there is a water pump (21). The output end of the water pump (21) is connected with a tee pipe two (22). The other end of the tee pipe two (22) penetrates through the baffle (12) and extends into the separation tank (1).

3. An integrated MBR sewage treatment device according to claim 1, characterized in that: On one side inside the separation tank (1), there is a pusher (23). On one side of the separation tank (1), there is a sewage outlet (24).

4. An integrated MBR sewage treatment device according to claim 1, characterized in that: On one side of the baffle (12), there is a long hole, and the long hole is located directly below the mounting plate (10).

5. An integrated MBR sewage treatment device according to claim 1, characterized in that: The worm (7) is meshed with the worm wheel (9).

6. An integrated MBR sewage treatment device according to claim 1, characterized in that: On one side of the separation tank (1), there is a disinfection tank (2), on the other side, there is a reaction tank (3), and on the other side of the reaction tank (3), there is an adjustment tank (4).