Anti-blocking water distribution device for anaerobic reactor

Abstract

The utility model relates to the technical field of sewage treatment, in particular to an anti-blocking water distribution device for an anaerobic reactor, which comprises a water inlet circulation component, a first-stage water distributor, a second-stage water distribution main pipe and a third-stage anti-blocking water distribution head, one end, far away from the first-stage water distributor, of the second-stage water distribution main pipe extends to the bottom area of the anaerobic reactor, and the water inlet end of the second-stage water distribution main pipe is communicated with the water outlet end of the first-stage water distributor; the third-stage anti-blocking water distributors are distributed in an array mode, and the water inlet end of each third-stage anti-blocking water distribution head is communicated with the water outlet end of the second-stage water distribution main pipe in a one-to-one correspondence mode. The use amount of water distribution pipelines is reduced through the structural design of graded water distribution, the water distribution system is conveniently installed and overhauled in cooperation with the modularized anti-blocking water distribution head structure, meanwhile, the flow speed of water flow in the pipelines is guaranteed through the design of the communication structure of the pipelines, and the water distribution efficiency is improved. The problems that an existing anaerobic reactor water distribution system is prone to scaling and blocking and inconvenient to overhaul are solved.

Description

Technical Field

[0001] This utility model relates to the field of wastewater treatment technology, and in particular to an anti-clogging water distribution device for an anaerobic reactor. Background Technology

[0002] The anaerobic reactor is the core process unit in the leachate treatment system of a municipal solid waste incineration power plant, and the normal operation of the water distribution system is fundamental to ensuring the efficiency of the anaerobic reactor. Landfill leachate is characterized by high salt content, hardness, and alkalinity. During the anaerobic reaction, the pH value of the wastewater rises, easily forming scale and causing blockages in the water distribution system pipes.

[0003] In existing technologies, the water distribution methods of anaerobic reactors mostly adopt one pipe with multiple holes, one pipe with one hole, or branched water distribution. Such water distribution methods have complex pipeline layouts, large number of water distribution pipelines, long pipelines, high risk of scaling and blockage, and fixed connection structures between pipelines. During maintenance, the entire pipeline needs to be disassembled, resulting in a large workload and inconvenient operation. This can easily lead to a decrease in the operating efficiency of the anaerobic reactor, an increase in the frequency of major repairs, and affect the stable operation of the sewage treatment system. Utility Model Content

[0004] The purpose of this invention is to provide an anti-clogging water distribution device for anaerobic reactors, which aims to solve the problems of easy scaling and clogging, inconvenient maintenance, and complex pipeline layout in existing anaerobic reactor water distribution systems.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] An anti-clogging water distribution device for an anaerobic reactor, comprising:

[0007] A water inlet circulation component is used to introduce water into the water distribution device and form a circulating water flow; the water inlet end of the water inlet circulation component is connected to an external water source;

[0008] A primary water distributor is used to receive and distribute the water flow delivered by the water inlet circulation assembly; the inlet end of the primary water distributor is connected to the water inlet circulation assembly.

[0009] Secondary water distribution mains are spaced apart along the length of the primary water distributor. The end of each secondary water distribution main extends away from the primary water distributor to the bottom area of ​​the anaerobic reactor, and the inlet end of the secondary water distribution main is connected to the outlet end of the primary water distributor.

[0010] A three-stage anti-clogging water distribution head is installed at the outlet end of each of the two-stage water distribution mains. The three-stage anti-clogging water distribution heads are arranged in an array, with the inlet end of each three-stage anti-clogging water distribution head corresponding to the outlet end of the two-stage water distribution main. The three-stage anti-clogging water distribution head includes a water distribution body and several water distribution branch pipes. The water distribution body has a water distribution chamber that communicates with the water distribution branch pipes. The side wall of the water distribution body has multiple water distribution holes that communicate with the water distribution chambers. The multiple water distribution holes are evenly distributed in a ring along the circumference of the water distribution body. The multiple water distribution branch pipes are fixedly connected to the side wall of the water distribution body, corresponding to the positions of the water distribution holes.

[0011] Preferably, the water inlet circulation assembly includes a main water inlet pipe, an inner circulation water inlet pipe, and a water inlet pump. The outlet end of the inner circulation water inlet pipe is connected to the pipe body of the main water inlet pipe, and the outlet end of the main water inlet pipe is connected to the inlet end of the primary water distributor. The output end of the water inlet pump is fixedly connected to the pipe body of the main water inlet pipe.

[0012] Preferably, the primary water distributor has a hollow cavity structure, and an inlet is provided on the side of the primary water distributor. The inlet is fixedly connected to the outlet of the water circulation component.

[0013] Preferably, the top of the primary water distributor is provided with several water outlets, which are equidistantly distributed along the top end face of the primary water distributor, and each water outlet is fixedly connected to the inlet end of the secondary water distribution main pipe.

[0014] Preferably, the end of the secondary water distribution main pipe away from the primary water distributor is provided with an arc-shaped connecting section, and each arc-shaped connecting section is provided with a water distribution interface, which is fixedly connected to the inlet end of the tertiary anti-clogging water distribution head.

[0015] Preferably, the top of the water distribution body is provided with a connection port, the connection port is detachably fixedly connected to the water distribution interface of the water distribution main pipe, and the inner wall of the connection port is provided with an internal thread; the outer wall of the water distribution interface is provided with an external thread that matches the internal thread.

[0016] Preferably, each of the water distribution branch pipes extends outward along the radial direction of the water distribution body. The pipe body of the water distribution branch pipe is a straight pipe structure, and the end of the water distribution branch pipe away from the water distribution body is open. The pipe diameter of each of the water distribution branch pipes is the same, and the length of the water distribution branch pipes is consistent.

[0017] Preferably, an elastic sealing assembly is provided at the connection between the water distribution body and the water distribution branch pipe. The elastic sealing assembly includes an elastic sealing washer and a compression spring. The elastic sealing washer is embedded in the inner wall of the water distribution body and located inside the water distribution hole. One end of the compression spring abuts against the inner wall of the elastic sealing washer, and the other end is connected to a spring fixing seat. The spring fixing seat is sleeved inside the water distribution port.

[0018] In summary, the beneficial effects of this utility model are as follows:

[0019] This invention achieves graded water distribution through the sequential connection of an inlet circulation component, a primary water distributor, a secondary water distribution main pipe, and a tertiary anti-clogging water distribution head. Compared to traditional multi-hole, branched water distribution methods, it significantly reduces the overall amount of water distribution pipeline used and lowers the risk of pipe scaling and clogging. Furthermore, its compact structure, lack of complex connecting parts, and ease of processing and installation make it suitable for various upflow anaerobic reactors, such as upflow anaerobic sludge bed and expanded sludge bed anaerobic reactors. It is particularly suitable for treating high-concentration organic wastewater prone to scaling, such as landfill leachate and livestock and poultry breeding wastewater, ensuring the efficient and stable operation of anaerobic reactors. Attached Figure Description

[0020] Figure 1 This is a plan view of the anti-clogging water distribution device for the anaerobic reactor of this utility model. The arrows indicate the direction of water inlet.

[0021] Figure 2 This is a longitudinal sectional view of the anti-clogging water distribution device for the anaerobic reactor of this utility model;

[0022] Figure 3 yes Figure 2 Enlarged view of the structure at point a;

[0023] Figure 4 This is a schematic diagram of the anti-clogging water distribution device for the anaerobic reactor of this utility model;

[0024] Figure 5 This is a schematic diagram of the structure of the primary water distribution main pipe in this utility model;

[0025] Figure 6 This is a partial exploded view of the three-stage anti-clogging water distribution head in this utility model;

[0026] Figure 7 This is a three-dimensional sectional view of the water distribution body in this utility model;

[0027] Figure 8 yes Figure 7 Enlarged view of the structure at point b in the middle;

[0028] Figure 9 This is a diagram showing the working state of the sealing component during normal water distribution of the water distribution device of this utility model;

[0029] Figure 10 This is a diagram showing the working state of the sealing component when the water distribution device of this utility model stops distributing water.

[0030] Explanation of the reference numerals in the figure:

[0031] 1. Anaerobic reactor; 2. Inlet water circulation assembly; 21. Main inlet water pipe; 22. Internal circulation inlet water pipe; 23. Inlet water pump; 3. Primary water distributor; 31. Inlet; 32. Outlet; 4. Secondary water distribution main pipe; 41. Water distribution interface; 5. Tertiary anti-clogging water distribution head; 51. Water distribution body; 511. Water distribution chamber; 512. Water distribution hole; 513. Connection port; 52. Water distribution branch pipe; 6. Elastic sealing assembly; 61. Elastic sealing gasket; 62. Compression spring; 63. Annular limiting step; 64. Spring fixing seat. Detailed Implementation

[0032] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model are within the protection scope of the present utility model.

[0033] Those skilled in the art should understand that, in the disclosure of this utility model, the terms "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, the above terms should not be construed as limitations on this utility model.

[0034] In the description of this utility model, the use of terms such as "several" means one or more, with "multiple" meaning two or more. Terms like "greater than," "less than," and "exceeding" are understood to exclude the stated number, while "above," "below," and "within" are understood to include the stated number. The use of terms like "first," "second," and "third" is merely for distinguishing technical features and should not be construed as indicating or implying relative importance, the quantity of indicated technical features, or the sequential relationship between indicated technical features.

[0035] The following is in conjunction with the appendix Figure 1-10 The present invention provides a more detailed description of an embodiment of an anti-clogging water distribution device for an anaerobic reactor.

[0036] An anti-clogging water distribution device for an anaerobic reactor, such as Figure 1 , 2As shown, the system includes an inlet water circulation assembly 2, a primary water distributor 3, a secondary water distribution main pipe 4, and a tertiary anti-clogging water distributor 5, all connected in sequence. The inlet water circulation assembly 2 is located in the outer region of the anaerobic reactor 1 and is used to mix the external inlet water with the internal circulating return water to form a circulating water flow, which is then introduced into the water distribution device. In this embodiment, as... Figure 1 , 4 As shown, the water inlet circulation assembly 2 includes a main water inlet pipe 21, an internal circulation water inlet pipe 22, and a water inlet pump 23.

[0037] Furthermore, the main inlet pipe 21 is arranged horizontally, with one side connected to the outlet of the internal circulation inlet pipe 22 via a three-way valve. The inlet of the internal circulation inlet pipe 22 extends into the clear liquid zone inside the anaerobic reactor 1 to extract the treated effluent for internal circulation. The other side of the main inlet pipe 21 is connected to the output flange of the inlet pump 23, and the input of the inlet pump 23 is connected to an external water source to extract the leachate to be treated. The outlet of the main inlet pipe 21 is connected to the inlet 31 of the primary water distributor 3. Through the pressurization effect of the inlet pump 23, the external inlet water and the internal circulation return water are fully mixed in the main inlet pipe 21, which not only increases the hydraulic load of the inlet water but also reduces the instantaneous concentration of scaling ions in the inlet water by utilizing the dilution effect of the circulating water, thus reducing the risk of scaling from the source.

[0038] In this embodiment, as Figure 1 , 5 As shown, the primary water distributor 3 is located on one side of the anaerobic reactor 1 and has a hollow cavity structure. An inlet 31 is provided at the center of its side end face. The inlet 31 uses a clamp-type quick connector to quickly fix it to the main water inlet pipe 21.

[0039] Furthermore, several water outlet ports 32 are provided on the top end face of the primary water distributor 3. In this embodiment, the number of water outlet ports 32 is set to four, which are equidistantly distributed circumferentially along the top end face of the primary water distributor 3. The distance between adjacent water outlet ports 32 is 500-800mm to ensure the uniformity of water flow distribution. A flow guide cone structure can also be provided inside the cavity of the primary water distributor 3. The cone surface of the flow guide cone faces the inlet 31, so that the water flow entering the cavity is dispersed circumferentially along the cone surface, avoiding the water flow directly hitting the bottom and causing uneven local flow velocity. The inner wall of each water outlet port 32 is provided with internal threads to form a detachable sealed connection with the inlet end of the secondary water distribution main pipe 4, facilitating later maintenance and replacement.

[0040] In this embodiment, as Figure 1 , 2 As shown in Figure 4, the end of the secondary water distribution main pipe 4 away from the primary water distributor 3 is provided with an arc-shaped connecting section. Each arc-shaped connecting section is provided with a water distribution interface 41, which is fixedly connected to the inlet end of the tertiary anti-clogging water distribution head 5.

[0041] Furthermore, the number of secondary water distribution mains 4 corresponds to the number of outlet ports 32 of the primary water distributor 3. In this embodiment, four are provided. Each secondary water distribution main 4 extends radially along the anaerobic reactor 1, and its end is provided with a downwardly inclined arc-shaped connecting section. The bending radius of the arc-shaped connecting section is 300-500mm, and the bending angle is 90°-120°, so that the water flow can be smoothly turned and vertically transported to the bottom area of ​​the anaerobic reactor 1. Each arc-shaped connecting section has a water distribution port 41 at its end. The outer wall of the water distribution port 41 is provided with external threads to form a detachable connection with the tertiary anti-clogging water distribution head 5.

[0042] It should be noted that the diameter of the secondary water distribution main pipe 4 gradually decreases along the water flow direction. In this embodiment, the diameter of the inlet pipe is DN100 and the diameter of the outlet pipe is DN80. The variable diameter design maintains the stability of the flow velocity inside the pipe and reduces scale deposition in the low-speed zone.

[0043] The three-stage anti-clogging water distribution head 5 serves as the final water distribution unit and is arranged in an array in the bottom water distribution area of ​​the anaerobic reactor 1. In this embodiment, a three-stage anti-clogging water distribution head 5 is connected to the water distribution interface 41 of each secondary water distribution main pipe 4, and a total of four three-stage anti-clogging water distribution heads 5 are set. The spacing between each three-stage anti-clogging water distribution head 5 is 800-1200mm to ensure the uniformity of the water distribution coverage.

[0044] In this embodiment, as Figure 4 , 6 As shown, the three-stage anti-clogging water distribution head 5 includes a water distribution body 51 and four water distribution branch pipes 52. The water distribution body 51 is a cylindrical hollow structure, which forms a water distribution chamber 511 inside. A connection port 513 is opened at the top. The inner wall of the connection port 513 is provided with an internal thread that matches the external thread of the water distribution interface 41, so that the water distribution body 51 and the secondary water distribution main pipe 4 form a threaded sealing connection. During disassembly and assembly, only the water distribution body 51 needs to be rotated to complete the replacement of a single water distribution head without disassembling the entire pipeline.

[0045] Furthermore, four water distribution holes 512 are evenly distributed circumferentially on the side wall of the water distribution body 51. The four water distribution holes 512 are located on the same horizontal plane, and the central angle between adjacent water distribution holes 512 is 90 degrees. A water distribution branch pipe 52 is fixed at the outer end of each water distribution hole 512. The water distribution branch pipe 52 extends horizontally outward along the radial direction of the water distribution body 51. Its pipe body is a straight pipe with a uniform diameter. The end away from the water distribution body 51 is open and set as the final water outlet. The diameter of the water distribution branch pipe 52 is set to 15-25mm, and the length is set to 80-150mm to ensure that the water jet has sufficient kinetic energy to penetrate the sludge bed. The specifications of the four water distribution branch pipes 52 are completely identical to ensure that the water flow rate in all directions of the same water distribution head is uniform.

[0046] To ensure the sealing of the connection between the water distribution body 51 and the water distribution branch pipe 52, an elastic sealing component 6 is provided at the connection to enhance sealing reliability and compensate for thermal expansion and contraction. In this embodiment, as shown... Figure 6-10 As shown, the elastic sealing assembly 6 includes an elastic sealing washer 61 and a compression spring 62. The elastic sealing washer 61 is made of fluororubber and is embedded around the inner port of the water distribution hole 512. An integrated annular limiting step 63 is provided at the inner port of the water distribution hole 512. The annular limiting step 63 is used to limit the position of the elastic sealing washer 61, preventing the elastic sealing washer 61 from being washed away from the water distribution hole 512 by the water flow, while ensuring the fit of the sealing surface. The compression spring 62 is made of stainless steel and is arranged along the axial direction of the water distribution hole 512. One end of the compression spring 62 abuts against the inner wall of the elastic sealing washer 61, and the other end is connected to a spring fixing seat 64. The spring fixing seat 64 is sleeved inside the water distribution hole 512 to fix the other end of the compression spring 62, preventing the compression spring 62 from shifting or tilting during the extension and contraction process, and ensuring the axial transmission of the elastic force.

[0047] Furthermore, the working process of the elastic sealing component 6 is as follows:

[0048] like Figure 9 As shown, when the water distribution device is distributing water normally (solid arrows indicate the flow direction of the pressurized water flow, and dashed arrows indicate the direction of the elastic force of the compression spring 62), the pressurized water flow from the water inlet circulation component 2 enters the water distribution chamber 511 and forms water pressure along the axial direction of the water distribution hole 512. At this time, the direction of the elastic force of the compression spring 62 is opposite to the flow direction of the pressurized water flow; this water pressure acts on the side of the elastic sealing gasket 61 near the annular limiting step 63. When the water pressure is greater than the pre-compression elastic force of the compression spring 62, the water flow pushes the elastic sealing gasket 61 to move towards the side of the water distribution branch pipe 52, the compression spring 62 is further compressed, and the inner port of the water distribution hole 512 opens accordingly. The water flow enters the water distribution branch pipe 52 through the water distribution hole 512 and finally exits from the open end.

[0049] like Figure 10 As shown, when the water distribution device stops distributing water (the solid arrow represents the backflow direction of sludge and impurities in anaerobic reactor 1, and the dashed arrow represents the direction of the elastic force of compression spring 62), the water pressure in the water distribution chamber 511 disappears. At this time, the direction of the elastic force of compression spring 62 is consistent with the backflow direction of sludge and impurities in anaerobic reactor 1; compression spring 62 resets itself by its own elastic restoring force, pushing the elastic sealing gasket 61 to re-fit tightly against the annular limiting step 63, and its end face fits against the surface of the annular limiting step 63 again, completely sealing the inner port of water distribution hole 512, thereby preventing sludge and impurities in anaerobic reactor 1 from flowing back into water distribution chamber 511 from water distribution branch pipe 52, and avoiding scaling and blockage of water distribution hole 512 and water distribution branch pipe 52 from the source.

[0050] It should be noted that the compression spring 62 is in a pre-compressed state, possessing elastic resistance under normal conditions. This ensures that the elastic sealing gasket 61 can tightly seal the water distribution hole 512 when the water supply is interrupted, rather than being in a naturally relaxed state. Furthermore, when temperature changes cause slight displacement at the connection point, the compression spring 62 provides elastic compensation force to keep the elastic sealing gasket 61 in a closed state, preventing scale from entering through gaps. Simultaneously, the elastic sealing gasket 63 is not a typical O-ring or flat washer; it is actually an axially movable sealing piston.

[0051] The working process of this utility model is as follows:

[0052] Landfill leachate is drawn into the main inlet pipe 21 by the inlet pump 23, where it mixes with the circulating return water from the internal circulation inlet pipe 22 to form a circulating water flow. The mixed water flow enters the cavity through the inlet 31 of the primary water distributor 3, and is evenly distributed to the outlet interface 32 after being dispersed by the guide cone. After entering each secondary water distribution main pipe 4, the water flow is transported downward along the pipe body and is diverted to the corresponding tertiary anti-clogging water distribution head 5 through each water distribution interface 41. After entering the water distribution chamber 511 of the water distribution body 51, the water flow is evenly distributed to the four water distribution branch pipes 52 through the four water distribution holes 512, and finally ejected from the open end of the water distribution branch pipe 52, forming a uniformly distributed rising water flow at the bottom of the anaerobic reactor 1, which fully contacts the anaerobic sludge to carry out biochemical reaction.

[0053] When a blockage occurs in a third-stage anti-clogging water distribution head 5 during operation, the operator can enter through the maintenance manhole of the anaerobic reactor 1, use a special tool to rotate the blocked water distribution body 51, remove it from the water distribution interface 41, replace it with a spare water distribution head or clean and unclog it and reinstall it. The replacement time for a single water distribution head can be controlled within 15 minutes, without stopping the operation of the anaerobic reactor 1 or disassembling other pipelines, which significantly reduces the workload of maintenance and system downtime.

[0054] In summary, this invention achieves optimized flow from top water intake to uniform bottom water distribution through a four-stage series structure consisting of an inlet circulation component 2, a primary water distributor 3, a secondary water distribution main pipe 4, and a tertiary anti-clogging water distribution head 5. The device has a compact overall structure and is easy to manufacture and install, making it particularly suitable for the anaerobic treatment of high-concentration organic wastewater prone to scaling, such as landfill leachate and livestock and poultry breeding wastewater, providing effective technical support for the long-term stable operation of the anaerobic reactor.

[0055] The embodiments described in this specific implementation are preferred embodiments of this application and are not intended to limit the scope of protection of this application. Identical components are represented by the same reference numerals. Therefore, all equivalent changes made to the structure, shape, and principle of this application should be covered within the scope of protection of this application.

Claims

1. A clog-resistant water distribution device for an anaerobic reactor, characterized in that, include: A water inlet circulation component is used to introduce water into the water distribution device and form a circulating water flow. The water inlet of the water circulation component is connected to an external water source; A primary water distributor is used to receive and distribute the water flow delivered by the water inlet circulation assembly; the inlet end of the primary water distributor is connected to the water inlet circulation assembly. Secondary water distribution mains are spaced apart along the length of the primary water distributor. The end of each secondary water distribution main extends away from the primary water distributor to the bottom area of ​​the anaerobic reactor, and the inlet end of the secondary water distribution main is connected to the outlet end of the primary water distributor. A three-stage anti-clogging water distribution head is installed at the outlet end of each of the two-stage water distribution mains. The three-stage anti-clogging water distribution heads are arranged in an array, with the inlet end of each three-stage anti-clogging water distribution head corresponding to the outlet end of the two-stage water distribution main. The three-stage anti-clogging water distribution head includes a water distribution body and several water distribution branch pipes. The water distribution body has a water distribution chamber that communicates with the water distribution branch pipes. The side wall of the water distribution body has multiple water distribution holes that communicate with the water distribution chambers. The multiple water distribution holes are evenly distributed in a ring along the circumference of the water distribution body. The multiple water distribution branch pipes are fixedly connected to the side wall of the water distribution body, corresponding to the positions of the water distribution holes.

2. The anti-clogging water distribution device for an anaerobic reactor according to claim 1, characterized in that, The water inlet circulation assembly includes a main water inlet pipe, an inner circulation water inlet pipe, and a water inlet pump. The outlet end of the inner circulation water inlet pipe is connected to the pipe body of the main water inlet pipe, and the outlet end of the main water inlet pipe is connected to the inlet end of the primary water distributor. The output end of the water inlet pump is fixedly connected to the pipe body of the main water inlet pipe.

3. The anti-clogging water distribution device for an anaerobic reactor according to claim 1, characterized in that, The primary water distributor has a hollow cavity structure, and an inlet is provided on the side of the primary water distributor. The inlet is fixedly connected to the outlet of the water circulation component.

4. The anti-clogging water distribution device for an anaerobic reactor according to claim 1, characterized in that, The top of the primary water distributor has several water outlets, which are equidistantly distributed along the top end face of the primary water distributor. Each water outlet is fixedly connected to the inlet end of the secondary water distribution main pipe.

5. The anti-clogging water distribution device for an anaerobic reactor according to claim 4, characterized in that, The secondary water distribution main pipe has an arc-shaped connecting section at the end away from the primary water distributor. Each arc-shaped connecting section has a water distribution interface, which is fixedly connected to the inlet end of the tertiary anti-clogging water distribution head.

6. The anti-clogging water distribution device for an anaerobic reactor according to claim 5, characterized in that, The top of the water distribution body is provided with a connection port, which is detachably and fixedly connected to the water distribution interface, and the inner wall of the connection port is provided with an internal thread; the outer wall of the water distribution interface is provided with an external thread that matches the internal thread.

7. The anti-clogging water distribution device for an anaerobic reactor according to claim 1, characterized in that, Each of the water distribution branch pipes extends outward radially along the water distribution body. The pipe body of each water distribution branch pipe is a straight pipe structure, and the end of the water distribution branch pipe away from the water distribution body is open. The pipe diameter of each water distribution branch pipe is the same, and the length of each water distribution branch pipe is consistent.

8. The anti-clogging water distribution device for an anaerobic reactor according to claim 1, characterized in that, An elastic sealing assembly is provided at the connection between the water distribution body and the water distribution branch pipe. The elastic sealing assembly includes an elastic sealing washer and a compression spring. The elastic sealing washer is embedded in the inner wall of the water distribution body and located inside the water distribution hole. One end of the compression spring abuts against the inner wall of the elastic sealing washer, and the other end is connected to a spring fixing seat. The spring fixing seat is sleeved inside the water distribution port.

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