Curtain type MABR sewage treatment device

Abstract

The invention provides a curtain type MABR sewage treatment device which comprises a fixing frame, a base is fixed to the bottom of the fixing frame, an air inlet pipe is fixedly installed on the side of the base, an aeration box and a supporting seat are fixedly installed at the bottom of the base, an aeration pipe is fixed to one end of the aeration box, and an air outlet pipe is fixed to the other end of the aeration box. Control valves are fixedly mounted on the aeration pipe and the air inlet pipe, a cavity is formed in the fixing frame, a fixing hole is formed in the fixing frame, an open groove is formed between the fixing hole and the cavity, and a movable pipe is movably mounted in the fixing hole. When the curtain type MABR sewage treatment device is used, preliminary aeration is carried out through the air inlet, bubbles discharged from the air inlet can move upwards to the interior and the two sides of the membrane module, preliminary aeration is carried out through the air inlet, in addition, the bubbles are split while being blocked by the holes in the limiting plates, and the bubbles are separated by the holes in the limiting plates; the flow of bubbles is slowed down under the cooperation of the open pores, and in addition, the limiting plates move inwards to limit and fix the membrane module.

Description

Technical Field

[0001] The present invention relates to the field of sewage treatment equipment, in particular to a curtain-type MABR sewage treatment device. Background Art

[0002] Sewage treatment needs to be carried out through MABR. MABR, also known as membrane bioreactor, is a new water treatment technology that combines activated sludge method with membrane separation technology. At present, with the requirements of sewage treatment volume and treatment efficiency, a curtain membrane group composed of multiple MBR curtain membranes is used and combined with a fixed frame to achieve multiple MBR curtain membranes to treat sewage at the same time. During sewage treatment, the existing membrane surface cannot fully contact with oxygen.

[0003] According to a curtain-type MABR sewage treatment equipment disclosed in the patent document with the existing publication number CN221544351U, it includes a bottom plate, a top frame and a support plate, four groups of support feet are installed at the four corners of the bottom of the bottom plate, eight groups of support frames are equidistantly installed on the top of the bottom plate, and a group of top frames are arranged on the top of the support frames, and six groups of card slots are opened on the left and right sides of the top of the top frame from front to back, and three groups of MABR curtain membrane groups are arranged between the top frame and the bottom plate from front to back, and a group of support plates are arranged under the MABR curtain membrane group, and the side of the support plate is welded to the inner side of the support frame. When the technical solution is used, by setting the guide groove and the vent, the air input into the water body can be concentrated to the two sides of the MABR curtain membrane group, and the aeration area on both sides of the MABR curtain membrane group is increased, so that the oxygen is evenly distributed, and the problem of poor gas-liquid mass transfer is avoided. For the above technical solution, although the solution increases the aeration area, the aeration position is single, and the limit fixation of the membrane group cannot be completed while reducing the bubble movement speed, which is inconvenient when used. Summary of the invention

[0004] In view of the shortcomings of the prior art, the purpose of the present invention is to provide a curtain-type MABR sewage treatment device to solve the problems raised in the above-mentioned background technology. The present invention has a novel structure. When in use, preliminary aeration is performed through the air inlet. The bubbles discharged from the air inlet will move upward to the inside and both sides of the membrane group, and preliminary aeration is performed through the air inlet. In addition, the openings on the limit plate block the bubbles and split them at the same time. With the cooperation of the openings, the flow of bubbles is slowed down. In addition, the limit plate moves inward to complete the limiting fixation of the membrane group.

[0005] In order to achieve the above-mentioned purpose, the present invention is implemented through the following technical scheme: a curtain-type MABR sewage treatment device, comprising a fixing frame, a base is fixed at the bottom of the fixing frame, an air inlet pipe is fixedly installed on the side of the base, an aeration box and a support seat are respectively fixedly installed at the bottom of the base, an aeration pipe is fixed at one end of the aeration box, a control valve is fixedly installed on the aeration pipe and the air inlet pipe, a cavity is opened inside the fixing frame, a fixing hole is opened inside the fixing frame, a groove is opened between the fixing hole and the cavity, a movable pipe is movably installed inside the fixing hole, and a connecting plate is welded on the side of the movable pipe.

[0006] Furthermore, the connecting plate is movably installed inside the slot, a supporting plate is fixed to one end of the connecting plate, a membrane group is movably installed on the side of the supporting plate, and the membrane group is a MABR membrane structure.

[0007] Furthermore, a support tube is fixed to the side of the support plate, a limit plate is movably installed on the top of the support tube, and a hole is opened on the limit plate.

[0008] Furthermore, a sliding block is welded on the support tube, a sliding groove is formed at the bottom of the limiting plate, and the sliding block is movably installed inside the sliding groove through a supporting mechanism.

[0009] Furthermore, the support plate and the connection plate are provided with air cavities inside, the air cavities are connected to the support tube, the inner wall of the support tube is provided with air outlets, and the air outlets are matched with two sides of the membrane group.

[0010] Furthermore, an installation cavity is opened between the base and the fixing frame, and an installation tube is fixedly installed inside the installation cavity, and the installation tube is fixedly connected to one end of the air inlet pipe.

[0011] Furthermore, a connecting pipe is welded to the top of the installation pipe, a sealing seat is fixed to the top of the connecting pipe, a fixing pipe is fixed on the sealing seat, and one end of the fixing pipe is movably mounted inside the movable pipe.

[0012] Furthermore, an air inlet is opened on the inner wall of the cavity, a mesh plate is fixedly installed inside the air inlet, and the air inlet is in movably contact with the bottom of the membrane group.

[0013] Furthermore, a rubber plate is fixed to the side of the limit plate, and the rubber plate is in movably contact with the side of the membrane group. An opening is opened on the side of the fixing frame, and a filter screen is fixedly installed inside the opening.

[0014] Furthermore, a sealing ring is fixed inside the movable tube, and the sealing ring is in contact with the outer wall of the fixed tube.

[0015] Beneficial effects of the present invention:

[0016] 1. This curtain-type MABR sewage treatment device performs preliminary aeration through the air inlet when in use. The bubbles discharged from the air inlet will move upward to the inside and both sides of the membrane group and perform preliminary aeration through the air inlet. In addition, the openings on the limit plate block the bubbles and split them at the same time. With the cooperation of the openings, the flow of bubbles is slowed down. In addition, the limit plate moves inward to complete the limiting fixation of the membrane group.

[0017] 2. In this curtain-type MABR sewage treatment device, when the membrane group is positioned and installed by the support plate, the air outlet holes on the inner wall of the support tube exhaust air inwardly, and the bubbles discharged from the air outlet holes are directly blown to the side of the membrane group, and secondary aeration is carried out through the air outlet holes and the membrane group. When the membrane group needs to be replaced later, the movable tube moves upward and drives the membrane group to move upward through the limit plate for disassembly, which is convenient for rapid replacement or cleaning later. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a structural schematic diagram of a curtain-type MABR sewage treatment device of the present invention;

[0019] Figure 2 It is a structural schematic diagram of point A of a curtain-type MABR sewage treatment device of the present invention after being enlarged;

[0020] Figure 3 This is a schematic diagram of the structure of a movable pipe of a curtain-type MABR sewage treatment device of the present invention;

[0021] Figure 4 This is a structural schematic diagram of a support pipe of a curtain-type MABR sewage treatment device of the present invention;

[0022] Figure 5 It is a structural schematic diagram of point B of a curtain-type MABR sewage treatment device of the present invention after enlargement;

[0023] Figure 6 A schematic diagram of the side cross-sectional structure of a limit plate of a curtain-type MABR sewage treatment device of the present invention;

[0024] Figure 7 This is a schematic diagram of a top view cross-sectional structure of a support plate of a curtain-type MABR sewage treatment device of the present invention;

[0025] Figure 8 This is a schematic diagram of the installation pipe structure of a curtain-type MABR sewage treatment device of the present invention;

[0026] In the figure: 1. fixing frame; 2. base; 3. air inlet pipe; 4. aeration box; 5. aeration pipe; 6. support seat; 7. opening; 8. filter screen; 9. cavity; 10. fixing hole; 11. slot; 12. movable pipe; 13. connecting plate; 14. support plate; 15. membrane group; 16. limit plate; 17. opening; 18. support pipe; 19. slider; 20. slide groove; 21. support mechanism; 22. air outlet; 23. air cavity; 24. air inlet; 25. installation cavity; 26. installation pipe; 27. connecting pipe; 28. sealing seat; 29. ​​fixing pipe; 30. mesh plate. DETAILED DESCRIPTION

[0027] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further explained below in conjunction with specific implementation methods.

[0028] See also Figures 1 to 8 The present invention provides a technical solution: a curtain-type MABR sewage treatment device, comprising a fixing frame 1, a base 2 is fixed at the bottom of the fixing frame 1, an air inlet pipe 3 is fixedly installed on the side of the base 2, an aeration box 4 and a support seat 6 are respectively fixedly installed at the bottom of the base 2, an aeration pipe 5 is fixed at one end of the aeration box 4, and a control valve is fixedly installed on the aeration pipe 5 and the air inlet pipe 3, a cavity 9 is opened inside the fixing frame 1, a fixing hole 10 is opened inside the fixing frame 1, a groove 11 is opened between the fixing hole 10 and the cavity 9, a movable pipe 12 is movably installed inside the fixing hole 10, a connecting plate 13 is welded on the side of the movable pipe 12, and the connecting plate 13 and the movable pipe 12 drive the positioning installation of the support plate 14 in the later stage, and after installation, the connecting plate 13 is used to limit and fix the movable pipe 12 to avoid shaking between the movable pipe 12 and the support plate 14.

[0029] In this embodiment, the connecting plate 13 is movably installed inside the slot 11, a support plate 14 is fixed at one end of the connecting plate 13, a membrane group 15 is movably installed on the side of the support plate 14, and the membrane group 15 is a MABR membrane structure. A support tube 18 is fixed on the side of the support plate 14, a limit plate 16 is movably installed on the top of the support tube 18, an opening 17 is provided on the limit plate 16, a slider 19 is welded on the support tube 18, a slide groove 20 is provided at the bottom of the limit plate 16, and the slider 19 is movably installed inside the slide groove 20 through a support mechanism 21, and the support mechanism 21 is a support spring, which drives the limit plate 16 to move toward the membrane group 15, and the limit plate 16 completes the clamping and limiting of the membrane group 15.

[0030] In this embodiment, an air cavity 23 is formed inside the support plate 14 and the connecting plate 13, and the air cavity 23 is connected to the support tube 18. An air outlet hole 22 is formed on the inner wall of the support tube 18, and the air outlet hole 22 cooperates with both sides of the membrane group 15. An installation cavity 25 is formed between the base 2 and the fixing frame 1, and an installation tube 26 is fixedly installed inside the installation cavity 25. The installation tube 26 is fixedly connected to one end of the air inlet pipe 3, and a connecting tube 27 is welded to the top of the installation tube 26. A sealing seat 28 is fixed to the top of the connecting tube 27, and a fixed tube 29 is fixed on the sealing seat 28. One end of the fixed tube 29 is movably installed inside the movable tube 12. The movable tube 12 is later installed on the top of the fixed tube 29 from top to bottom. After the fixed tube 29 is connected to the movable tube 12, the gas is introduced into the air cavity 23.

[0031] In this embodiment, an air inlet 24 is opened on the inner wall of the cavity 9, and a mesh plate 30 is fixedly installed inside the air inlet 24. The air inlet 24 is in movably contact with the bottom of the membrane group 15, and a rubber plate is fixed on the side of the limiting plate 16. The rubber plate is in movably contact with the side of the membrane group 15. An opening 7 is opened on the side of the fixing frame 1, and a filter screen 8 is fixedly installed inside the opening 7. A sealing ring is fixed inside the movable tube 12, and the sealing ring is in contact with the outer wall of the fixed tube 29. When the limiting plate 16 contacts with the membrane group 15 through the rubber plate, the rubber plate is used for buffering. When the membrane group 15 is disassembled separately, the limiting plate 16 scrapes and cleans the surface of the membrane group 15 through the rubber plate.

[0032] When the device is in use, the fixing frame 1 and the base 2 are placed as a whole in the sewage pool. Before use, the device is connected to the air inlet pipe 3 and the aeration pipe 5 through an external pipe to provide the required gas. When aeration treatment is required, the gas inside the aeration pipe 5 enters the interior of the aeration box 4, and the gas inside the aeration box 4 moves upward through the air inlet 24. The gas is initially split into bubbles through the mesh plate 30 inside the air inlet 24, and the bubbles move upward. The bubbles move upward to the side and inside of the membrane group 15, and preliminary aeration treatment is achieved on the side and inside of the membrane group 15 through the air inlet 24. When the bubbles move to the membrane group 15, the gas-liquid mass transfer is smoother, and the oxygen distribution on both sides and the middle position of the membrane group 15 is more uniform, thereby accelerating the degradation rate of organic matter on both sides of the membrane group 15, accelerating the sewage treatment rate, and improving the work efficiency. When it is necessary to increase the gas entry, the air inlet pipe 3 enters the installation pipe 26, and the gas inside the installation pipe 26 enters the connecting pipe 27 and the fixed pipe 29 , the gas enters the movable tube 12 through the fixed tube 29, the gas in the movable tube 12 enters the interior of the support tube 18 through the wind cavity 23, and the gas inside the support tube 18 is discharged outward from the air outlet 22, and the discharged gas contacts the side of the membrane group 15 again, and contacts the limit plate 16 and the opening 17 after the bubble moves upward, and the limit plate 16 and the opening 17 cooperate to slow down the rising speed of the bubble again, so that the gas and the membrane group 15 are fully contacted and reacted, and the gas after passing through the opening 17 is split again to form a large number of bubbles to complete the aeration treatment. When the membrane group 15 needs to be replaced separately in the later stage, the membrane group 15 moves upward, and the limit plate 16 scrapes and cleans the surface of the membrane group 15 through the rubber plate. During installation, the limit plate 16 provides positioning support for the membrane group 15, so that the membrane group 15 can be quickly positioned and installed in the use position. In the later stage, the movable tube 12 can also be moved upward, and the movable tube 12 drives the limit plate 16 and the membrane group 15 to complete all quick removal, which meets the use in different situations.

[0033] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. It is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and the present invention can be implemented in other specific forms without departing from the spirit or basic features of the present invention. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the present invention is defined by the attached claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims are included in the present invention. Any figure mark in the claims should not be regarded as limiting the claims involved.

[0034] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A curtain-type MABR sewage treatment device, comprising a fixing frame (1), characterized in that: A base (2) is fixed to the bottom of the fixed frame (1), an air intake pipe (3) is fixedly installed on the side of the base (2), an aeration box (4) and a support seat (6) are respectively fixedly installed on the bottom of the base (2), an aeration pipe (5) is fixed to one end of the aeration box (4), and control valves are fixedly installed on the aeration pipe (5) and the air intake pipe (3), a cavity (9) is opened inside the fixed frame (1), a fixing hole (10) is opened inside the fixed frame (1), a groove (11) is opened between the fixing hole (10) and the cavity (9), a movable pipe (12) is movably installed inside the fixing hole (10), and a connecting plate (13) is welded to the side of the movable pipe (12).

2. A curtain-type MABR sewage treatment device according to claim 1, characterized in that: The connecting plate (13) is movably mounted inside the slot (11); a supporting plate (14) is fixed to one end of the connecting plate (13); a membrane group (15) is movably mounted on the side of the supporting plate (14); and the membrane group (15) is a MABR membrane structure.

3. A curtain-type MABR sewage treatment device according to claim 1, characterized in that: A support tube (18) is fixed to the side of the support plate (14), a limit plate (16) is movably mounted on the top of the support tube (18), and an opening (17) is formed on the limit plate (16).

4. A curtain-type MABR sewage treatment device according to claim 3, characterized in that: A slider (19) is welded on the support tube (18), a slide groove (20) is provided at the bottom of the limit plate (16), and the slider (19) is movably installed inside the slide groove (20) through a support mechanism (21).

5. A curtain-type MABR sewage treatment device according to claim 1, characterized in that: The support plate (14) and the connecting plate (13) are both provided with an air cavity (23), the air cavity (23) is connected to the support tube (18), the inner wall of the support tube (18) is provided with an air outlet hole (22), and the air outlet hole (22) cooperates with two sides of the membrane group (15).

6. A curtain-type MABR sewage treatment device according to claim 1, characterized in that: An installation cavity (25) is provided between the base (2) and the fixing frame (1), a installation tube (26) is fixedly installed inside the installation cavity (25), and the installation tube (26) is fixedly connected to one end of the air intake pipe (3).

7. A curtain-type MABR sewage treatment device according to claim 6, characterized in that: A connecting tube (27) is welded to the top of the installation tube (26), a sealing seat (28) is fixed to the top of the connecting tube (27), a fixing tube (29) is fixed on the sealing seat (28), and one end of the fixing tube (29) is movably mounted inside the movable tube (12).

8. A curtain-type MABR sewage treatment device according to claim 1, characterized in that: An air inlet (24) is provided on the inner wall of the cavity (9), a mesh plate (30) is fixedly installed inside the air inlet (24), and the air inlet (24) is in active contact with the bottom of the membrane group (15).

9. A curtain-type MABR sewage treatment device according to claim 3, characterized in that: A rubber plate is fixed to the side of the limit plate (16), and the rubber plate is in movably contact with the side of the membrane group (15). An opening (7) is opened on the side of the fixing frame (1), and a filter screen (8) is fixedly installed inside the opening (7).

10. A curtain-type MABR sewage treatment device according to claim 7, characterized in that: A sealing ring is fixed inside the movable tube (12), and the sealing ring is in contact with the outer wall of the fixed tube (29).

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