Membrane biological reaction equipment

Abstract

The utility model provides membrane biological reaction equipment, relates to the technical field of bioreactors, and aims to solve the problem that certain dead angles exist due to the fact that most aeration structures of the existing membrane bioreactors are fixedly mounted at the bottoms of membrane structures and the working ranges and angles of the aeration structures are fixed. The main body assembly comprises a reaction tank, a control rod and a baffle plate; a rectangular through groove is formed in the upper end of the rear side of the reaction tank; the control rod is rotationally mounted at the upper end of the rear side of the reaction tank, and gears are fixedly mounted on two sides of the control rod. When the aeration assembly works, the driving wheel can drive each group of rotating rods to rotate through the belt, so that the rotating rods can perform 360-degree dead-angle-free air blowing, the aeration effect can be improved, microorganisms sinking at the bottom of the reaction tank can be blown up, and the biological reaction efficiency is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of bioreactors, and more specifically, particularly relates to membrane bioreactor equipment. Background Art

[0002] Sewage treatment equipment is a kind of equipment that can effectively treat sewage and filter it. It is of great significance to improve the ecological environment, enhance the urban quality and promote economic development. Sewage treatment systems mostly use MBR membrane bioreactors as the core for treatment. By using membrane components to filter sewage, the purpose of purifying water quality is achieved. Based on the existing technology, it is found that the existing membrane bioreactor equipment has some shortcomings:

[0003] First, the aeration structure of the existing membrane bioreactor is mostly fixedly installed at the bottom of the membrane structure. Therefore, its working range and angle are fixed, which leads to certain dead angles.

[0004] Secondly, the existing membrane bioreactor lacks a structure to assist in cleaning floating objects. After some mixed floating objects in the sewage are washed to the surface of the water, they cannot be cleaned up in time. After a large amount of accumulation, this will affect the filtration efficiency of the membrane bioreactor. Utility Model Content

[0005] In view of the above-mentioned technical problems, the utility model relates to a membrane bioreactor device to solve some shortcomings of the existing membrane bioreactor devices. Firstly, the aeration structure of the membrane bioreactor is mostly fixedly installed at the bottom of the membrane structure. Therefore, its working range and angle are fixed, which leads to certain dead angles. Secondly, the membrane bioreactor lacks a structure for assisting in cleaning floating objects. After some mixed floating objects in the sewage are washed to the water surface, they cannot be cleaned in time. After a large amount of accumulation, this will affect the filtration efficiency of the membrane bioreactor.

[0006] In a first aspect, the present disclosure provides a membrane bioreactor device, which is achieved by the following specific technical means:

[0007] A membrane bioreactor device, comprising:

[0008] The main body component comprises a reaction pool, a control rod and a baffle, wherein a rectangular through groove is provided at the upper rear end of the reaction pool; the control rod is rotatably mounted at the upper rear end of the reaction pool, and gears are fixedly mounted on both sides of the control rod; the baffle is slidably mounted at the upper rear end of the reaction pool through an elastic member, and the wedge-shaped structure at the upper rear end of the baffle covers the rectangular through groove at the upper rear end of the reaction pool; the main body component is provided with a filter component, which comprises a frame, a docking port and a hanging rod; the frame is composed of two groups of interconnected annular structures, and the interior of the frame is a hollow structure, and water pipes at the upper ends of both sides of the frame penetrate the reaction pool; the The docking ports are equidistantly opened on both sides of the frame, and the docking ports penetrate the frame; the hanging rods are symmetrically opened on both sides of the bottom of the frame; the filter assembly is provided with an aeration assembly, the aeration assembly includes a bottom frame, an air collecting chamber and a driving wheel, the bottom frame is arranged at the lower end of the frame, and the bottom frame is located on the inner bottom side of the reaction tank, and the connecting rods on both sides of the bottom frame are hung on the hanging rods at both ends of the frame, and the air inlet pipe at the outer end of the bottom frame penetrates the side end of the reaction tank; the air collecting chamber is opened at the inner side end of the bottom frame, and the air collecting chamber is connected to the air inlet pipe at the outer end of the bottom frame; the driving wheel is rotatably installed at the inner side end of the bottom frame, and the driving wheel is connected to an electric motor.

[0009] Preferably, the main body component includes: a slide groove and a scraper rod; the slide groove is opened on both sides of the upper end inside the reaction pool, and the slide groove passes through the rear side of the reaction pool; the scraper rod is movably installed on the inner top side of the reaction pool, and the two sides of the scraper rod are slidably connected to the slide groove through elastic parts, the two sides of the scraper rod extend from the rear side of the reaction pool, and the racks at both ends of the scraper rod are connected to the gear transmission on the control rod.

[0010] Preferably, the main body component includes: a rear tank and a collecting box; the rear tank is opened on the outer rear side of the reaction tank; the collecting box is inserted into the rear tank, and the upper end of the collecting box is flush with the bottom of the rectangular through tank on the rear side of the reaction tank.

[0011] Preferably, the filter assembly includes: a connecting tube, a locking groove and a limit card; the connecting tube is slidably installed inside the frame, and the two ends of the connecting tube extend from the inside of the docking port, and a T-shaped through groove is opened inside the connecting tube; the locking groove is located on both sides of the outside of the connecting tube; the limit card is inserted into the outside of the connecting tube, and the two sides of the inside of the limit card are locked with the locking groove.

[0012] Preferably, the filtration assembly comprises: a water collecting pipe and a fiber bundle; the water collecting pipes are equidistantly arranged on the inner side of the frame, and the two ends of the water collecting pipes are plugged into and matched with the connecting pipes, and the water collecting pipes are connected to the connecting pipes; a filter membrane is provided on the fiber bundle, and the fiber bundle is arranged between two groups of water collecting pipes.

[0013] Preferably, the aeration assembly includes: the aeration assembly includes: a bottom frame, an air collecting chamber and a driving wheel; the bottom frame is a rectangular structure; the air collecting chamber is opened at the inner side end of the bottom frame, and the air collecting chamber is connected to the air intake pipe at the outer end of the bottom frame; the driving wheel is rotatably installed at the inner side end of the bottom frame, and the driving wheel is connected to an electric motor.

[0014] Preferably, the aeration assembly comprises: a rotating rod and air holes; the rotating rod is equidistantly rotatably installed on the inner side of the bottom frame, and the interior of the rotating rod is a hollow structure, the rotating rod is connected to the driving wheel through a belt, and the side end of the rotating rod is connected to the air collecting chamber; the air holes are equidistantly opened on the side end of the rotating rod.

[0015] Preferably, the aeration assembly comprises: side grooves and connecting rods; the side grooves are symmetrically arranged on both sides of the bottom frame; the connecting rods are rotatably installed in the side grooves, and two groups of circular holes are symmetrically arranged on the upper end of the connecting rods.

[0016] Compared with the prior art, the utility model has the following beneficial effects:

[0017] 1. In this device, a filter assembly is provided, a bottom frame is provided at the bottom of the filter assembly, and an air collecting chamber connected to an air guide pipe is provided inside the bottom frame, a rotating rod with air holes is rotatably installed on the bottom frame, and the rotating rod is connected to the air collecting chamber, a driving wheel is rotatably installed on the side end of the bottom frame, and the driving wheel is connected to each group of rotating rods through a belt drive, when the aeration assembly is working, the driving wheel can drive each group of rotating rods to rotate through the belt, so that the rotating rods can perform 360° blowing without dead angles, which can not only increase the aeration effect, but also blow up the microorganisms sunk at the bottom of the reaction tank, thereby increasing the biological reaction efficiency.

[0018] 2. In this device, a main body component is provided, a scraper rod is slidably installed on the inner side of the upper end of the reaction tank through a slide groove, and a control rod with a gear is rotatably installed on the upper end of the rear side of the reaction tank, the gear on the control rod is connected to the rack on the scraper rod through a transmission, and the collection box is plugged into the rear end of the reaction tank through a rear groove. When in use, the scraper rod can be moved along the water surface by rotating the control rod, and the foam and floating objects on the water surface can be scraped off, reducing the content of impurities in the sewage, thereby ensuring the filtration efficiency of the sewage. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Those skilled in the art will have a better understanding of the present disclosure and will more clearly appreciate the advantages of the present disclosure through the following drawings. The drawings described here are only for illustrative purposes of selected embodiments, not all possible implementations, and are not intended to limit the scope of the present disclosure.

[0020] In the attached picture:

[0021] Figure 1It is a three-dimensional structural schematic diagram of the utility model.

[0022] Figure 2 It is a schematic diagram of the split structure of the utility model.

[0023] Figure 3 It is a schematic diagram of the internal structure of the utility model.

[0024] Figure 4 It is a schematic diagram of the upper end cutaway structure of the utility model.

[0025] Figure 5 It is a three-dimensional structural schematic diagram of the filter assembly of the utility model.

[0026] Figure 6 The utility model is Figure 5 The schematic diagram of the enlarged structure of part A is presented.

[0027] Figure 7 It is a schematic diagram of the three-dimensional structure of the aeration component of the utility model.

[0028] In the figure, the corresponding relationship between the component names and the figure numbers is as follows:

[0029] 1. Main components;

[0030] 101, reaction pool; 1011, control rod; 1012, baffle;

[0031] 102, chute; 1021, scraper;

[0032] 103, rear tank; 1031, collection box;

[0033] 2. Filter components;

[0034] 201, frame; 2011, docking port; 2012, mounting rod;

[0035] 202, connecting pipe; 2021, engaging groove; 2022, limiting card;

[0036] 203, water collecting pipe; 2031, fiber bundle;

[0037] 3. Aeration components;

[0038] 301, bottom frame; 3011, air collecting chamber; 3012, driving wheel;

[0039] 302, rotating rod; 3021, air hole;

[0040] 303, side groove; 3031, connecting rod. DETAILED DESCRIPTION

[0041] In the description of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as limiting the present invention. The following describes various embodiments of the present invention in detail in conjunction with the drawings.

[0042] Embodiment 1: As shown in the attached Figure 1 To Attachment Figure 7 As shown:

[0043] The utility model provides a membrane bioreactor, comprising: a main body component 1; the main body component 1 comprises a reaction pool 101, a control rod 1011 and a baffle 1012, and a rectangular through slot is provided at the upper rear end of the reaction pool 101; the control rod 1011 is rotatably mounted at the upper rear end of the reaction pool 101, and gears are fixedly mounted on both sides of the control rod 1011; the baffle 1012 is slidably mounted at the upper rear end of the reaction pool 101 through an elastic member, and a wedge-shaped structure at the upper end of the baffle 1012 covers the rectangular through slot at the upper rear end of the reaction pool 101; a filter component 2 is provided on the main body component 1, and the filter component 2 comprises a frame 201, a docking port 2011 and a hanging rod 2012; the frame 201 is composed of two groups of interconnected annular structures, and the interior of the frame 201 is a hollow structure, and water pipes at the upper ends of both sides of the frame 201 penetrate the reaction pool 101; the docking port 2 011 are equidistantly opened on both sides of the frame 201, and the docking port 2011 passes through the frame 201; the hanging rod 2012 is symmetrically opened on both sides of the bottom of the frame 201; the filter assembly 2 is provided with an aeration assembly 3, the aeration assembly 3 includes a bottom frame 301, a gas collecting chamber 3011 and a driving wheel 3012, the bottom frame 301 is arranged at the lower end of the frame 201, and the bottom frame 301 is located at the inner bottom side of the reaction tank 101, and the connecting rods 3031 on both sides of the bottom frame 301 are hung on the hanging rods 2012 at both ends of the frame 201, and the air inlet pipe at the outer end of the bottom frame 301 passes through the side end of the reaction tank 101; the gas collecting chamber 3011 is opened at the inner side end of the bottom frame 301, and the gas collecting chamber 3011 is connected to the air inlet pipe at the outer end of the bottom frame 301; the driving wheel 3012 is rotatably installed at the inner side end of the bottom frame 301, and the driving wheel 3012 is connected to an electric motor.

[0044] Further, such as Figure 2-4As shown, the main body component 1 includes: a slide groove 102 and a scraper rod 1021; the slide groove 102 is opened on both sides of the upper end inside the reaction pool 101, and the slide groove 102 passes through the rear side of the reaction pool 101; the scraper rod 1021 is movably installed on the inner top side of the reaction pool 101, and the two sides of the scraper rod 1021 are slidably connected with the slide groove 102 through elastic parts, the two sides of the scraper rod 1021 extend from the rear side of the reaction pool 101, and the racks at both ends of the scraper rod 1021 are connected with the gear transmission on the control rod 1011; the rear groove 103 and the collecting box 1031; the rear groove 103 is opened on the outer rear side of the reaction pool 101; the collecting box 1031 is inserted into the rear groove 103, and the upper end of the collecting box 1031 is flush with the bottom of the rectangular through groove on the rear side of the reaction pool 101.

[0045] As the second embodiment of the present application, on the basis of the first embodiment, by setting a rectangular slide groove 102, the scraper rod 1021 can be slidably installed to the inner upper end of the reaction tank 101 through the slide groove 102; a C-shaped scraper rod 1021 is set, and the floating objects on the top of the reaction water can be cleaned by moving the scraper rod 1021; a rectangular rear groove 103 is set, and the collection box 1031 can be plugged into the rear end of the reaction tank 101 through the rear groove 103; a rectangular collection box 1031 is set, and the floating objects pushed out from the inside of the reaction tank 101 by the scraper rod 1021 can be collected.

[0046] Further, such as Figure 5-6 As shown, the filter assembly 2 includes: a connecting pipe 202, a snap-fit ​​groove 2021 and a limit card 2022; the connecting pipe 202 is slidably installed inside the frame 201, and the two ends of the connecting pipe 202 extend from the inside of the docking port 2011, and a T-shaped through groove is opened inside the connecting pipe 202; the snap-fit ​​groove 2021 is located on both sides of the outside of the connecting pipe 202; the limit card 2022 is plugged into the outside of the connecting pipe 202, and the two sides of the inside of the limit card 2022 are snapped with the snap-fit ​​groove 2021; a cross-shaped connecting pipe 202 is provided, and the water collecting pipe 203 can be installed on the frame 201 through the connecting pipe 202, and the connecting pipe 202 can connect the water collecting pipe 203 with the frame 201 Connection; a rectangular snap-fit ​​groove 2021 is set, and a limit card 2022 is inserted into the snap-fit ​​groove 2021, so that the water collecting pipe 203 can be fixed in the frame 201; the water collecting pipe 203 and the fiber bundle 2031; the water collecting pipe 203 is equidistantly arranged on the inner side of the frame 201, and the two ends of the water collecting pipe 203 are plugged and matched with the connecting pipe 202, and the water collecting pipe 203 is connected with the connecting pipe 202; a filter membrane is provided on the fiber bundle 2031, and the fiber bundle 2031 is arranged between two groups of water collecting pipes 203; a circular water collecting pipe 203 is set, and the water filtered by each group of fiber bundles 2031 can be collected in a centralized manner; the fiber bundle 2031 is set to filter the water in the reaction tank 101.

[0047] Further, such as Figure 7 As shown, the aeration assembly 3 includes: a bottom frame 301, a gas collecting chamber 3011 and a driving wheel 3012; the bottom frame 301 is a rectangular structure; the gas collecting chamber 3011 is opened at the inner side end of the bottom frame 301, and the gas collecting chamber 3011 is connected to the air inlet pipe at the outer end of the bottom frame 301; the driving wheel 3012 is rotatably installed at the inner side end of the bottom frame 301, and the driving wheel 3012 is connected to an electric motor; a rotating rod 302 and an air hole 3021; ​​the rotating rod 302 is equidistantly rotatably installed at the bottom frame 30 1, and the interior of the rotating rod 302 is a hollow structure, the rotating rod 302 is connected to the driving wheel 3012 through a belt, and the side end of the rotating rod 302 is connected to the air collecting chamber 3011; the air holes 3021 are equidistantly arranged at the side end of the rotating rod 302; the side grooves 303 and the connecting rod 3031; the side grooves 303 are symmetrically arranged on both sides of the bottom frame 301; the connecting rod 3031 is rotatably installed in the side grooves 303, and two groups of circular holes are symmetrically arranged on the upper end of the connecting rod 3031.

[0048] As the third embodiment of the present application, on the basis of the first embodiment, by setting a rotating rod 302, the gas in the gas collecting chamber 3011 can be ejected outward through the rotating rod 302; by setting a circular air hole 3021, the gas in the rotating rod 302 can be ejected through the air hole 3021; ​​by setting a rectangular side groove 303, the connecting rod 3031 can be movably installed on both sides of the bottom frame 301 through the side groove 303; by setting an L-shaped connecting rod 3031, the bottom frame 301 can be hung to the bottom of the frame body 201 through the connecting rod 3031.

[0049] The specific usage and function of this embodiment are as follows:

[0050] In the utility model, Figure 1-7As shown, the collecting box 1031 is inserted into the rear end of the reaction tank 101 through the rear slot 103, and then the scraper rod 1021 is slidably installed at the upper end of the reaction tank 101, and the scraper rod 1021 is connected to the gear transmission on the control rod 1011 on the rear side of the reaction tank 101, and the water collecting pipe 203 with the fiber bundle 2031 is evenly arranged inside the frame 201, and then the connecting pipe 202 in the docking port 2011 is pushed to the inner end of the frame 201 and plugged into the right side of the water collecting pipe 203, and then the limit card 2022 is plugged into the position of the connecting pipe 202 outside the docking port 2011 through the engaging slot 2021, so that the connecting pipe 202 is in the frame 201 The bottom frame 301 is fixed inside and the water collecting pipe 203 is installed inside the frame 201. The connecting rod 3031 is rotated and installed in the side grooves 303 at both ends of the bottom frame 301. The connecting rod 3031 is turned upward and snapped onto the bottom sides of the frame 201, so that the hanging rod 2012 passes through the connecting rod 3031, and the rotating rod 302 is rotated and installed inside the bottom frame 301, and connected to the gas collecting chamber 3011, and then the rotating rod 302 is connected to the driving wheel 3012 on the bottom frame 301 through a belt, and the frame 201 and the bottom frame 301 are placed in the reaction pool 101, and the water outlet pipe on the frame 201 and the air guide on the bottom frame 301 are connected. The pipe extends from the reaction tank 101, and the sewage containing activated sludge is poured into the reaction tank 101. The microorganisms in the sludge can perform biological reactions on the sewage, and by starting the water pump, negative pressure is generated inside the frame 201. The sewage will enter the interior through the filter holes on the fiber bundle 2031 and collect in the water collecting pipe 203. Then, each group of water collecting pipes 203 collects the filtered water into the frame 201 through the connecting pipe 202, and finally it is extracted from the reaction tank 101 through the frame 201. The air pump will transport gas through the air collecting chamber 3011 of the air guide pipe to the bottom frame 301, and then blow it out from the air hole 3021 on the rotating rod 302, so that the The activated sludge sunk at the bottom of the reaction tank 101 is blown up to join the biological reaction process, and the fiber bundle 2031 is prompted to swing in an undirected manner, thereby shaking off impurities attached to the surface of the fiber bundle 2031 to prevent them from clogging the filter holes on the fiber bundle 2031. While filtering the sewage, the control rod 1011 is rotated to slowly move the scraper rod 1021 along the horizontal plane to scrape off the foam containing floating objects. The baffle 1012 is pushed downward, and the foam is pushed out of the rectangular through groove at the upper end of the rear side of the reaction tank 101 and collected in the collection box 1031 at the rear end of the reaction tank 101, thereby avoiding affecting the filtration efficiency.

[0051] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. There are many ways of detachable installation, for example, it can be through the method of plug-in and buckle matching, and for example, through the method of bolt connection, etc.

[0052] The above clearly and completely describes the concept, specific structure and technical effects of the present invention in combination with the embodiments and drawings, so as to fully understand the purpose, characteristics and effects of the present invention.

[0053] Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, other embodiments obtained by those skilled in the art without creative work are all within the scope of protection of the present invention. In addition, all the connection / connection relationships mentioned in the text do not refer to the direct connection of components, but refer to the fact that a better connection structure can be formed by adding or reducing connection accessories according to the specific implementation situation.

[0054] The specific description of the present invention in the above embodiments is only used to further illustrate the present invention and cannot be understood as limiting the scope of protection of the present invention. Technical engineers in this field may make some non-essential improvements and adjustments to the present invention based on the contents of the above invention, which fall within the scope of protection of the present invention.

Claims

1. A membrane bioreactor device, comprising: A main body component (1); the main body component (1) comprises a reaction pool (101), a control rod (1011) and a baffle (1012); a rectangular through slot is provided at the upper rear end of the reaction pool (101); the control rod (1011) is rotatably mounted at the upper rear end of the reaction pool (101), and gears are fixedly mounted on both sides of the control rod (1011); the baffle (1012) is slidably mounted at the upper rear end of the reaction pool (101) via an elastic member, and a wedge-shaped structure at the upper end of the baffle (1012) covers the rectangular through slot at the upper rear end of the reaction pool (101); the main body component (1) is characterized in that A filter assembly (2) is provided on the filter assembly (2), the frame (201) of the filter assembly (2) is located inside the reaction tank (101), and water pipes at the upper ends of both sides of the frame (201) penetrate the reaction tank (101); an aeration assembly (3) is provided on the filter assembly (2), the bottom frame (301) of the aeration assembly (3) is located at the lower end of the frame (201), and the bottom frame (301) is located at the inner bottom side of the reaction tank (101), connecting rods (3031) at both sides of the bottom frame (301) are hung on hanging rods (2012) at both ends of the frame (201), and an air inlet pipe at the outer end of the bottom frame (301) penetrates the side end of the reaction tank (101).

2. A membrane bioreactor device according to claim 1, characterized in that: The main body component (1) comprises: a slide groove (102) and a scraper rod (1021); the slide groove (102) is arranged on both sides of the upper end inside the reaction pool (101), and the slide groove (102) passes through the rear side of the reaction pool (101); the scraper rod (1021) is movably installed on the top side of the inside of the reaction pool (101), and both sides of the scraper rod (1021) are slidably connected to the slide groove (102) through elastic parts, both sides of the scraper rod (1021) extend from the rear side of the reaction pool (101), and the racks at both ends of the scraper rod (1021) are transmission-connected to the gears on the control rod (1011).

3. A membrane bioreactor device according to claim 1, characterized in that: The main body component (1) comprises: a rear groove (103) and a collection box (1031); the rear groove (103) is opened on the outer rear side of the reaction tank (101); the collection box (1031) is inserted into the interior of the rear groove (103), and the upper end of the collection box (1031) is flush with the bottom of the rectangular through groove on the rear side of the reaction tank (101).

4. A membrane bioreactor device according to claim 1, characterized in that: The filter assembly (2) comprises: a frame (201), a docking port (2011) and a hanging rod (2012); the frame (201) is composed of two groups of interconnected annular structures, and the interior of the frame (201) is a hollow structure; the docking ports (2011) are equidistantly arranged on both sides of the frame (201), and the docking ports (2011) penetrate the frame (201); and the hanging rod (2012) is symmetrically arranged on both sides of the bottom of the frame (201).

5. A membrane bioreactor device according to claim 4, characterized in that: The filter assembly (2) comprises: a connecting tube (202), a locking groove (2021) and a limiting card (2022); the connecting tube (202) is slidably mounted inside the frame (201), and both ends of the connecting tube (202) extend from the inside of the docking port (2011), and a T-shaped through groove is provided inside the connecting tube (202); the locking groove (2021) is located on both sides of the outside of the connecting tube (202); the limiting card (2022) is plugged into the outside of the connecting tube (202), and both sides of the inside of the limiting card (2022) are locked with the locking groove (2021).

6. A membrane bioreactor device according to claim 5, characterized in that: The filter assembly (2) comprises: a water collecting pipe (203) and a fiber bundle (2031); the water collecting pipes (203) are arranged at equal distances on the inner side of the frame (201), and both ends of the water collecting pipe (203) are plugged into and matched with the connecting pipe (202), and the water collecting pipe (203) and the connecting pipe (202) are connected; a filter membrane is provided on the fiber bundle (2031), and the fiber bundle (2031) is arranged at equal distances between two groups of water collecting pipes (203).

7. The membrane bioreactor device according to claim 1, characterized in that: The aeration assembly (3) comprises: a bottom frame (301), a gas collecting chamber (3011) and a driving wheel (3012); the bottom frame (301) is a rectangular structure; the gas collecting chamber (3011) is disposed at an inner side end of the bottom frame (301), and the gas collecting chamber (3011) is connected to an air intake pipe at an outer end of the bottom frame (301); the driving wheel (3012) is rotatably mounted at the inner side end of the bottom frame (301), and the driving wheel (3012) is connected to an electric motor.

8. A membrane bioreactor device according to claim 7, characterized in that: The aeration assembly (3) comprises: a rotating rod (302) and air holes (3021); the rotating rod (302) is equidistantly rotatably mounted on the inner side of the bottom frame (301), and the interior of the rotating rod (302) is a hollow structure; the rotating rod (302) is transmission-connected to a driving wheel (3012) via a belt, and the side end of the rotating rod (302) is connected to the air collecting chamber (3011); the air holes (3021) are equidistantly arranged on the side end of the rotating rod (302).

9. The membrane bioreactor device according to claim 7, characterized in that: The aeration assembly (3) comprises: a side groove (303) and a connecting rod (3031); the side groove (303) is symmetrically arranged on both sides of the bottom frame (301); the connecting rod (3031) is rotatably installed in the side groove (303), and two groups of circular holes are symmetrically arranged on the upper end of the connecting rod (3031).

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