Combination device for mounting MABR (Membrane Aerated Baffled Reactor) membrane unit in flood discharge river channel

Abstract

The utility model discloses a combined device for mounting an MABR (Membrane Aerated Baffled Reactor) membrane unit in a flood discharge river channel, which relates to the field of mounting and fixing of the MABR membrane unit, and mainly comprises the MABR membrane unit, a main groove, a fixing pile, an L-shaped right-angle hook, a hook-shaped anchor bolt, a binding wire and a protective net, and the main groove is arranged at the bottom of the flood discharge river channel; the MABR membrane units are uniformly arranged in the main tank; the fixed pile is pre-buried and fixed at the bottom of the main groove; the L-shaped right-angle hook is welded on the fixed pile and is connected with the MABR membrane unit; and the MABR membrane units are fixed by using the protection net, the hook-shaped anchor bolts and the binding wires. According to the device, through the arrangement of the concrete main groove, the pre-buried fixing hooks and the protection net, the MABR membrane unit is fixed to the bottom of the main groove, installation is convenient, and the MABR membrane unit is protected from being damaged in the flood season. The device is of a frame structure, the MABR membrane assembly can make full contact with river water, the structure is simple, the treatment effect is good, stability is good, mounting and dismounting are convenient, safety and stability of the MABR membrane unit in the flood season can be guaranteed, and meanwhile the flood discharge space of an original river channel is not occupied.

Description

Technical Field

[0001] The utility model is a combined device for installing a MABR membrane unit in a flood - discharging river channel, and relates to the field of installation and fixation of MABR membrane units. Background Art

[0002] The application of MABR technology in surface water is mainly reflected in aspects such as purification of river and lake water bodies, treatment of black and odorous water bodies, and ecological restoration of water environment. The MABR technology, fully known as Membrane Aerated Biofilm Reactor, is a new type of water treatment technology. Based on the principle of biofilm reactor, it realizes the purification of polluted water bodies by using special membrane materials and biofilms attached to the membrane surface. The MABR technology has the characteristics of strong shock resistance, high efficiency, safety, ecological sustainability, simple operation and maintenance, etc. At the same time, it can continuously and efficiently reduce pollutants in water bodies and improve the self - purification ability of water bodies. Therefore, it is highly favored in surface water applications.

[0003] MABR is mainly applied in the form of membrane units in in - situ treatment projects of surface water. For example, in the patent "CN208933060U", the "combined curtain - type enhanced coupled biofilm reactor (EHBR) in - situ purification device system for river and lake water bodies" and in the patent "CN217555886U", the "comprehensive MABR membrane module for river channels" are mentioned. The designed height of the membrane units is higher than the river bottom. When applied in flood - discharging river channels, it occupies the original flood - discharging cross - sectional area of the river channel. Moreover, the flow velocity is fast and the impact force is large during the flood season of the flood - discharging river channel, and the membrane units are easily washed away. Content of the Utility Model

[0004] The utility model aims to break through the limitations of the application of MABR technology in in - situ water quality improvement projects of flood - discharging river channels, and provides a combined device for installing a MABR membrane unit in a flood - discharging river channel. The device has a simple structure, good stability, is convenient for installation and disassembly, can ensure the safety and stability of the MABR membrane unit during the flood season, and does not occupy the original flood - discharging space of the river channel.

[0005] The utility model is realized through the following technical solutions:

[0006] Combined device for installing MABR membrane units in a flood channel, characterized in that it mainly includes MABR membrane units, main troughs, fixed piles, L-shaped right-angle hooks, hook-shaped anchor bolts, binding wires and protection nets. The main troughs are arranged at the bottom of the flood channel; the MABR membrane units are evenly arranged in the main troughs; the fixed piles are pre-buried and fixed at the bottom of the main troughs and installed on the inner side of the water-facing surface of the MABR membrane units; the L-shaped right-angle hooks are welded on the fixed piles to connect the MABR membrane units; the protection nets are arranged on the top of the main troughs and flush with the designed river bottom; the hook-shaped anchor bolts are arranged at both ends of the protection nets and fixed at the bottom of the main troughs; the binding wires are arranged at the top of the fixed piles to connect the protection nets and the fixed piles.

[0007] Further, the main trough is of a reinforced concrete structure, with a height of 0.5 m to 1.0 m, and the top is flush with the designed river bottom of the flood channel.

[0008] Further, the center spacing of the MABR membrane units is 3 m to 5 m.

[0009] Further, the fixed piles are embedded parts, with a length of 1.5 m to 3 m, and the arrangement spacing is 1 m to 2 m.

[0010] Further, the L-shaped right-angle hooks are welded on the fixed piles, and the welding height is flush with the height of the MABR membrane units.

[0011] Further, for the L-shaped right-angle hooks, the heads are installed downward, and the net size of the orifice is 15 mm to 20 mm.

[0012] Further, the protection net is selected from one of expanded metal mesh and wire mesh; the aperture of the protection net is 25 mm to 50 mm.

[0013] Further, one end of the hook-shaped anchor bolt is fixed at the bottom of the main trough, and the other end is a hook-shaped structure and is connected to the protection net.

[0014] Further, the binding wires are used to bind the protection net and the fixed piles, and the diameter of the binding wires is 0.7 mm to 1 mm.

[0015] In summary, the present utility model has the following beneficial effects compared with the prior art:

[0016] Compared with the prior art, the utility model proposes a combined device for installing a MABR membrane unit in a flood channel. Through the setting of a concrete main trough, pre-buried fixing hooks and a protective net, the MABR membrane unit can be fixed at the bottom of the main trough, which is not only easy to install, but also can ensure that the MABR membrane unit is not washed away during the flood season; the protective net is set at the top of the main trough to prevent the MABR membrane assembly from being hung up by branches, branches and other garbage carried in the water and losing its function. The combined device is a frame structure, which can make the MABR membrane assembly fully contact with the river water, thereby achieving effective treatment of the river water, reducing pollutants and ensuring the treatment effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Attached Figure 1 It is a schematic diagram of the top structure of the utility model.

[0018] Attached Figure 2 It is a front view structural schematic diagram of the utility model.

[0019] Attached Figure 3 It is a left-side structural schematic diagram of the utility model.

[0020] Attached Figure 4 This is a schematic diagram of the structure of the MABR membrane unit of the utility model.

[0021] Attached Figure 5 It is a schematic diagram of the three-dimensional structure of the main slot of the utility model.

[0022] Attached Figure 6 This is a schematic diagram of the structure of a hook-type anchor bolt of the utility model.

[0023] In the figure: 1. MABR membrane unit, 2. main trough, 3. fixing pile, 4. L-shaped right-angle hook, 5. hook-type anchor bolt, 6. binding wire, 7. protective net. DETAILED DESCRIPTION

[0024] The following is a combination of the utility model examples attached Figure 1 -Attached Figure 6 , clearly and completely describe the technical solution implemented by the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments of the utility model, other similar embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of this application.

[0025] Combined device for installing MABR membrane units in a flood discharge channel, mainly including MABR membrane unit 1, main channel 2, fixed pile 3, L-shaped right-angle hook 4, hook-shaped anchor bolt 5, binding wire 6 and protection net 7. The main channel 2 is arranged at the bottom of the flood discharge channel; the MABR membrane units 1 are evenly arranged in the main channel; the fixed piles 3 are pre-buried and fixed at the bottom of the main channel 2, and are installed on the inner side of the water-facing surface of the MABR membrane unit 1; the L-shaped right-angle hooks 4 are welded on the fixed piles 3 to connect the MABR membrane units 1; the protection net 7 is arranged on the top of the main channel 2 and is flush with the designed river bottom; the hook-shaped anchor bolts 5 are arranged at both ends of the protection net 7 and are fixed at the bottom of the main channel 2; the binding wire 6 is arranged on the top of the fixed pile 3 to connect the protection net 7 and the fixed pile 3.

[0026] The main channel 2 is of reinforced concrete structure, and the top of the main channel 2 is flush with the designed river bottom of the flood discharge channel; the MABR membrane unit 1 is of frame structure, and several MABR membrane units 1 are evenly arranged at the bottom of the main channel 2; the fixed pile 3 is a pre-embedded part, and the L-shaped right-angle hook 4 is welded on the fixed pile 3 for fixing the frame of the MABR membrane unit 1; the protection net 7 is arranged on the top of the main channel 2 and is flush with the designed river bottom of the flood discharge channel, and both ends of the protection net 7 are fixed to the bottom of the main channel 2 by hook-shaped anchor bolts 5, and the protection net 7 is connected to the fixed pile 3 by binding wire 6, wherein one end of the hook-shaped anchor bolt 5 is fixed at the bottom of the main channel 2, and the other end is a hook-shaped structure and is connected to the protection net 7.

[0027] Example 1, according to the above device, the dimensions of the components are limited. The designed height of the main channel 2 is 0.5 m; the center distance of the MABR membrane components 1 is 3 m; the length of the fixed pile 3 is 1.5 m and the arrangement distance is 1 m; the L-shaped right-angle hook 5 is welded on the fixed pile 3, and the welding height is flush with the height of the MABR membrane unit 1; the head of the L-shaped right-angle hook 4 is installed downward, and the net diameter of the orifice is 15 mm; the protection net is selected from wire mesh with a pore size of 25 mm; the diameter of the binding wire 6 is 0.7 mm.

[0028] Example 2, the difference from Example 1 is that the dimensions of the component structures are changed for limitation.

[0029] The designed height of the main channel 2 is 1.0 m; the center distance of the MABR membrane components 1 is 5 m; the length of the fixed pile 3 is 3 m and the arrangement distance is 2 m; the L-shaped right-angle hook 5 is welded on the fixed pile 3, and the welding height is flush with the height of the MABR membrane unit 1; the head of the L-shaped right-angle hook 4 is installed downward, and the net diameter of the orifice is 20 mm; the protection net is selected from wire mesh with a pore size of 50 mm; the diameter of the binding wire 6 is 1 mm.

[0030] Example 3, the difference from Examples 1-2 is that the dimensions of the component structures are changed for limitation.

[0031] The designed height of the main groove 2 is 0.8 m; the center spacing of the MABR membrane module 1 is 4 m; the length of the fixed pile 3 is 2 m and the arrangement spacing is 1.5 m; the L-shaped right-angle hook 5 is welded on the fixed pile 3, and the welding height is flush with the height of the MABR membrane unit 1; the head of the L-shaped right-angle hook 4 is installed downward, and the net size of the aperture is 20 mm; the protective net is selected from wire mesh with a pore size of 25 mm; the diameter of the binding wire 6 is 0.8 mm.

[0032] In the above embodiments, according to the one-river-one-policy, it is necessary to select the size limits of the components of the device in combination with the hydrology and water quality of the river and lake water bodies and the treatment requirements, and check according to the flood discharge conditions, and finally determine the sizes of the internal components of the device.

[0033] Although the practical examples of the present invention 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 examples without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the claims and their equivalents.

Claims

1. A combined device for installing a MABR membrane unit in a flood channel, characterized in that: The invention mainly comprises a MABR membrane unit (1), a main trough (2), a fixing pile (3), an L-shaped right-angle hook (4), a hook-shaped anchor bolt (5), a binding wire (6) and a protective net (7); the main trough (2) is arranged at the bottom of a flood channel; the MABR (1) membrane units are evenly arranged in the main trough (2); the fixing pile (3) is pre-buried and fixed at the bottom of the main trough (2), and is installed on the inner side of the water-facing surface of the MABR membrane unit (1); the L-shaped right-angle hook (4) is welded to the fixing pile (3) and connected to the MABR membrane unit (1); the protective net (7) is arranged at the top of the main trough (2) and is flush with the designed river bottom; the hook-shaped anchor bolt (5) is arranged at both ends of the protective net (7) and is fixed at the bottom of the main trough (2); the binding wire (6) is arranged at the top of the fixing pile (3) and connects the protective net (7) and the fixing pile (3).

2. The combined device for installing the MABR membrane unit in a flood channel according to claim 1, characterized in that: The main channel (2) is a reinforced concrete structure with a height of 0.5m-1.0m, and the top is flush with the designed riverbed of the flood channel.

3. The combined device for installing the MABR membrane unit in a flood channel according to claim 1, characterized in that: The center spacing of the MABR membrane units is 3m~5m.

4. The combined device for installing the MABR membrane unit in a flood channel according to claim 1, characterized in that: The fixing piles (3) are embedded parts with a length of 1.5m to 3m and an arrangement spacing of 1m to 2m.

5. The combined device for installing the MABR membrane unit in a flood channel according to claim 1, characterized in that: The L-shaped right-angle hook (4) is installed with its head downward, and has a net diameter of 15 mm to 20 mm.

6. The combined device for installing the MABR membrane unit in a flood channel according to claim 1, characterized in that: The protective net (7) is selected from a steel plate net and a steel wire net; the pore size of the protective net (7) is 25 mm to 50 mm.

7. The combined device for installing the MABR membrane unit in a flood channel according to claim 1, characterized in that: The diameter of the binding wire (6) is 0.7 mm to 1 mm.

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