Rotational flow water distribution device of anaerobic reactor

By employing a swirling water distribution device in the anaerobic reactor, and utilizing the water distribution hole group and water circulation components to form an annular flow and spiral upward water flow, the problems of sludge deposition and uneven distribution in the water distributor are solved, achieving uniform water distribution and efficient microbial mixing, and reducing energy consumption and costs.

CN223674431UActive Publication Date: 2025-12-16HAINAN UNIV
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Patent Information

Application Number
CN202423234178.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-26
Publication Date
2025-12-16
Estimated Expiration
2034-12-26

AI Technical Summary

Technical Problem

Existing anaerobic reactors are prone to sludge deposition and uneven water distribution in their water distributors, which affects the reactor's performance and increases costs.

Method used

An anaerobic reactor swirl water distribution device is used, with the water outlet holes of each water distribution hole group arranged in a circumferential array at their central symmetrical points. Combined with the water circulation components, this forms a ring flow and a spiral upward water flow, ensuring thorough mixing of microorganisms and feed liquid and preventing sludge deposition.

Benefits of technology

This achieves uniform water distribution, avoids sludge deposition, improves water distribution efficiency, reduces energy consumption and costs, and ensures the effectiveness of the reactor.

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Abstract

The utility model relates to the technical field of sewage treatment equipment, and provides a rotational flow water distribution device of an anaerobic reactor, which comprises an effluent distribution device, a return water distribution device, a feeding system and a water circulation component, and the effluent distribution device is arranged in an anaerobic fermentation tank; the water outlet distribution device is provided with at least one water distribution hole group, each water distribution hole group comprises a plurality of water outlets, the central symmetry points of the plurality of water outlets of each water distribution hole group are coplanar and are distributed in a circumferential array manner, and a plane formed by the central symmetry points of the plurality of water outlets of each water distribution hole group is parallel to the bottom wall of the anaerobic fermentation tank; each first distributor is connected with the raw material pool through a water segregator; the utility model aims to solve the problems that the water distributor of the existing anaerobic fermentation tank is easy to cause sludge deposition, non-uniform in water distribution and high in manufacturing cost. The water distributor has the technical effects that uniform distribution and full mixing with fermentation microorganisms are ensured, water flow spirally ascends in the fermentation tank, the fermentation efficiency is improved, sludge deposition in the water distributor is avoided, and the cost and the energy consumption are reduced.
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Description

Technical Field

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

[0002] As a new generation of high-efficiency anaerobic reactors, the internal circulation anaerobic reactor offers advantages in wastewater treatment, including high treatment capacity, small footprint, good operational stability, and low investment cost. The water distributor system, a key component within the reactor, combines water distribution and agitation functions, determining the reactor's influent method, influencing the flow pattern of the reactor bed, and affecting the gas-liquid-solid three-phase flow behavior within the reactor bed. Currently, existing anaerobic reactors use one or more inverted funnel-shaped water distributors arranged orderly at the bottom of the reactor, with each distributor having uniform openings to complete the water distribution process. However, this method is prone to sludge deposition in areas with slow water flow after prolonged use. This sludge buildup is extremely difficult to clean and also results in uneven water distribution, leading to time-consuming, labor-intensive, and costly practices that negatively impact the reactor's performance. Utility Model Content

[0003] This invention provides a vortex water distribution device for an anaerobic reactor, which solves the defects of existing anaerobic reactor water distributors that are prone to sludge deposition and uneven water distribution. It achieves the effect of preventing sludge deposition in the water distributor and achieving more uniform water distribution, while reducing energy consumption.

[0004] This utility model provides an anaerobic reactor swirl water distribution device, including an anaerobic fermenter, an effluent distribution device and a water circulation component, wherein the effluent distribution device is installed inside the anaerobic fermenter.

[0005] The water distribution device is equipped with at least one water distribution hole group, each water distribution hole group includes multiple water outlets, the central symmetric points of the multiple water outlets of each water distribution hole group are coplanar and arranged in a circular array, and the plane formed by the central symmetric points of the multiple water outlets of each water distribution hole group is parallel to the bottom wall of the anaerobic fermenter.

[0006] The first end of the water circulation component is connected to the water outlet cloth device, and the second end of the water circulation component is connected to the anaerobic fermenter. The water outlet cloth device is located below the second end of the water circulation component.

[0007] According to the water distribution device of the anaerobic reactor, the water sprayed through the multiple water outlets during work can form annular flow state by the arrangement of the multiple water outlets of each water distribution hole group in the form of circumferential array and sharing the center symmetry point; the water distribution hole group is matched with the water circulation assembly, so that the water flow can form circulation and spiral rising in the anaerobic fermentation tank, thereby ensuring the sufficient mixing of the microorganisms and the liquid, realizing uniform water distribution while avoiding sludge deposition, improving the water distribution efficiency, and further ensuring the use effect of the reactor.

[0008] In addition, the water distribution device of the anaerobic reactor can further have the following additional technical features.

[0009] In some embodiments of the utility model, the water distribution device includes at least one group of first distributors, each group of first distributors includes at least three first distributors in circumferential array, each group of first distributors is located in the anaerobic fermentation tank, at least one water outlet is arranged on each first distributor, each first distributor is connected with the first end of the water circulation assembly, and the water distribution holes of each group of first distributors are combined to form a water distribution hole group.

[0010] By adopting the above-mentioned embodiments, the setting, installation and maintenance of the water outlets of the corresponding water distribution hole group are facilitated by the circumferential array of the first distributors.

[0011] In some embodiments of the utility model, the water circulation assembly includes a circulating pump and a connecting pipeline, each first distributor is connected with the water outlet of the circulating pump, one end of the connecting pipeline is connected with the water inlet of the circulating pump, and the other end of the connecting pipeline is inserted into the anaerobic fermentation tank and located above the multiple first distributors.

[0012] By adopting the above-mentioned embodiments, the power source for the water inlet and outlet of the cyclone distributor is provided by the setting of the circulating pump, and the reliable work of the multiple cyclone distributors is ensured.

[0013] In some embodiments of the utility model, a second distributor is further included, the second distributor is arranged in the anaerobic fermentation tank, one end of the connecting pipeline away from the circulating pump is connected with the second distributor, and each first distributor is located below the second distributor.

[0014] By adopting the above-mentioned embodiments, the reliable backflow of the water flow from bottom to top is ensured by the setting of the second distributor, and at the same time, the reliable connection of the circulating pump to the anaerobic fermentation tank is realized, thereby ensuring the reliability of the water circulation.

[0015] In some embodiments of the utility model, the water circulation assembly further includes a water distributor, the water outlet of the circulating pump and the multiple first distributors are connected with the water distributor through pipelines.

[0016] By adopting the above-mentioned embodiment, the communication between the multiple water outlets and the water outlet of the circulating pump is realized through the transition of the water distributor, thereby ensuring that the water passing through the circulating pump can be reliably pumped into each first distributor.

[0017] In some embodiments of the present application, a first valve is arranged on the pipeline between the water distributor and the circulating pump.

[0018] By adopting the above-mentioned embodiment, the liquid in the anaerobic fermentation tank can be prevented from flowing back to the circulating pump through the arrangement of the first valve, thereby indirectly increasing the reliability of the use of the circulating pump.

[0019] In some embodiments of the present application, each first distributor comprises a mounting plate and multiple water distribution plates, one side of the mounting plate is connected with the bottom wall of the anaerobic fermentation tank, and multiple water distribution plates are arranged in sequence from the beginning to the end on the other side of the mounting plate, and a water outlet hole is formed between adjacent two water distribution plates.

[0020] By adopting the above-mentioned embodiment, the mounting plate only needs to be arranged in a circular arc shape, and multiple water distribution plates are arranged in sequence from the beginning to the end along the circular arc-shaped mounting plate, so that the axes of the multiple water outlet holes formed present a circular arc array, which is matched with the circular array of the multiple first distributors, thereby realizing the circular array of the multiple water outlet holes of each water distribution hole group, and indirectly reducing the processing, transportation and installation difficulty of the first distributor.

[0021] In some embodiments of the present application, the side shape of each first distributor is arc-shaped.

[0022] By adopting the above-mentioned embodiment, the water outlet hole only needs to be opened along the arc-shaped path through the arrangement of the double-line arc-shaped cross section of the first distributor, thereby reducing the processing and installation difficulty of the water outlet hole.

[0023] In some embodiments of the present application, a feed pump and a feed adjustment tank are further included, the water inlet of the feed pump is connected with the feed adjustment tank through a pipeline, and the water outlet of the feed pump is connected with the water distributor through a pipeline.

[0024] By adopting the above-mentioned embodiment, the liquid in the adjustment tank can be reliably pumped into the anaerobic fermentation tank through the arrangement of the feed pump, and is fully mixed with the liquid in the anaerobic fermentation tank.

[0025] In some embodiments of the present application, a second valve is arranged on the pipeline between the feed pump and the water distributor.

[0026] By adopting the above-mentioned embodiment, the liquid in the anaerobic fermentation tank can be prevented from flowing back to the feed pump through the arrangement of the second valve, thereby indirectly increasing the reliability of the use of the feed pump.

[0027] In summary, the present application includes at least one of the following beneficial technical effects:

[0028] By arranging the center symmetry points of the plurality of water outlets of each water distribution hole group in a circumferential array and coplanar, the material liquid sprayed through the plurality of water outlets during operation can form a ring flow state; the water distribution hole group cooperates with the water circulation assembly to form a circulating flow and spiral upward in the anaerobic fermentation tank, thereby ensuring sufficient mixing of microorganisms and material liquid, achieving uniform water distribution while avoiding sludge deposition, improving water distribution efficiency, and thereby ensuring the use effect of the reactor, reducing cost and energy consumption.

[0029] The arrangement of the second distributor ensures reliable backflow of the water flow from bottom to top while reliably connecting the circulating pump to the anaerobic fermentation tank, thereby ensuring the reliability of the circulating pump operation. BRIEF DESCRIPTION OF DRAWINGS

[0030] Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The accompanying drawings are included to provide a description of the preferred embodiments, and are not meant to limit the present application. Moreover, the same reference numerals in the various drawings indicate the same or similar components. In the drawings:

[0031] Figure 1 A front view of the anaerobic reactor cyclone water distribution device according to the embodiment of the present application is schematically shown.

[0032] Figure 2 An A-A cross-sectional view of the anaerobic reactor cyclone water distribution device according to the embodiment of the present application is schematically shown.

[0033] Figure 3 A top view of the anaerobic reactor cyclone water distribution device according to the embodiment of the present application is schematically shown.

[0034] Figure 4 A C-C cross-sectional view of the anaerobic reactor cyclone water distribution device according to the embodiment of the present application is schematically shown.

[0035] Figure 5 A perspective view of the anaerobic reactor cyclone water distribution device according to the embodiment of the present application is schematically shown.

[0036] Figure 6 A perspective view of the first distributor of the anaerobic reactor cyclone water distribution device according to the embodiment of the present application is schematically shown.

[0037] Reference signs:

[0038] 1 anaerobic fermentation tank; 2 second distributor; 4 connecting pipeline; 5 first distributor; 51 mounting plate; 52 water distribution plate; 53 water inlet pipe; 54 water outlet hole; 55 end plate; 6 water distribution pipe; 7 circulating pump; 8 water distributor; 9 feed pump; 11 first valve; 12 second valve. DETAILED DESCRIPTION

[0039] Example embodiments of the present disclosure will be described more fully hereinafter with reference to the accompanying drawings. While example embodiments of the present disclosure are shown in the drawings, it is understood that the present disclosure can be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the present disclosure to those skilled in the art.

[0040] It is to be understood that the terminology used herein is for the purpose of describing particular example embodiments only and is not intended to be limiting. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. The terms "comprises", "comprising", "includes", "including" and "has" are inclusive and therefore specify the presence of stated features, steps, operations, elements, and / or components, but do not preclude the presence or addition of one or more other features, steps, operations, elements, components, and / or groups thereof. The method steps, processes, and operations described herein are not to be construed as necessarily requiring their performance in the particular order in which they are described, unless specifically identified as an order dependent step. It is also to be understood that additional or alternative steps can be employed.

[0041] Although the terms first, second, third, and the like can be used herein to describe various elements, components, regions, layers and / or sections, these elements, components, regions, layers and / or sections should not be limited by these terms. These terms can be only used to distinguish one element, component, region, layer or section from another region, layer or section. Terms such as "first", "second", and other numerical terms when used herein do not imply a sequence or order unless clearly indicated by the context. Thus, a first element, component, region, layer or section discussed below could be termed a second element, component, region, layer or section without departing from the teachings of the example embodiments.

[0042] For ease of description, spatial relative terms can be used herein to describe a relationship of one element or feature to another element or feature as shown in the drawings, such as "inner", "outer", "inside", "outside", "lower", "below", "upper", "above", and the like. Such spatial relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the drawings. For example, if the device in the drawings is turned over, elements described as "below" or "under" other elements or features would then be oriented "above" or "over" the other elements or features. Thus, the example term "below" can encompass both an orientation of above and below. The device can be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

[0043] As Figures 1 to 6 According to the embodiment of the first aspect of the present application, an anaerobic reactor cyclone water distribution device is provided, comprising an anaerobic fermentation tank 1, a water outlet distribution device, and a water circulation assembly, the water outlet distribution device is arranged in the anaerobic fermentation tank 1;

[0044] The water outlet distribution device is provided with at least one water distribution hole group, each water distribution hole group comprises a plurality of water outlet holes 54, the center symmetry points of the plurality of water outlet holes 54 of each water distribution hole group are coplanar and arranged in a circumferential array, and the planes composed of the center symmetry points of the plurality of water outlet holes 54 of each water distribution hole group are parallel to the bottom wall of the anaerobic fermentation tank 1;

[0045] The first end of the water circulation assembly is connected to the water outlet distribution device, the second end of the water circulation assembly is connected to the inside of the anaerobic fermentation tank 1, and the water outlet distribution device is located below the second end of the water circulation assembly.

[0046] In the above embodiment, it should be noted that the water outlet distribution device is arranged on the bottom wall of the anaerobic fermentation tank 1 by screwing, bonding or clamping, etc. When there are multiple water distribution hole groups, the multiple water distribution hole groups are arranged in order from near to far relative to the central axis of the anaerobic fermentation tank 1, that is, the circle of the circumferential array of the center symmetry points of the plurality of water outlet holes 54 of each water distribution hole group is the center point of the bottom wall of the anaerobic fermentation tank 1, and the diameters of the circles of the circumferential array of the center symmetry points of the plurality of water outlet holes 54 corresponding to the multiple water distribution hole groups are gradually increased with the center point of the bottom wall of the anaerobic fermentation tank 1 as the center. The anaerobic fermentation tank 1 is a fermentation tank body, and the planes composed of the plurality of water outlet holes 54 of each water distribution hole group are perpendicular or inclined to the bottom wall of the anaerobic fermentation tank 1, and the inclination angle is between 60 degrees and 90 degrees.

[0047] The technical effects achieved by the above embodiments are as follows: through the arrangement of the axes of the multiple water outlets of each water distribution hole group being coplanar and in a circumferential array, the water can form a ring flow state during operation; through the arrangement of the water distribution hole group and the water circulation assembly, the water flow can form a circulating flow and spiral upward in the anaerobic fermentation tank, thereby ensuring sufficient mixing of the microorganisms and the liquid, achieving uniform water distribution while avoiding sludge deposition, improving water distribution efficiency, and thereby ensuring the use effect of the reactor while reducing cost and energy consumption.

[0048] Optionally, as shown in Figure 2 and Figure 3 , the water outlet distribution device includes at least one group of first distributors 5, each group of first distributors 5 includes at least three first distributors 5 in a circumferential array, each group of first distributors 5 is located in the anaerobic fermentation tank 1, at least one water outlet hole 54 is arranged on each first distributor 5, each first distributor 5 is connected with a first end of the water circulation assembly, and the water outlet holes 54 of each group of first distributors 5 combine to form a water distribution hole group.

[0049] In the above optional embodiments, it should be noted that the first distributor 5 is a water outlet distributor, and the first distributor 5 can be a tubular structure, and the water outlet holes 54 of different angles relative to the axis of the tube are opened along the tube wall to achieve the arrangement of the axes of the multiple water outlet holes 54 of each water distribution hole group in a circumferential array.

[0050] The side shape of each first distributor 5 can also be arc-shaped, and the first distributor 5 can be in the shape of an arc-shaped tube, and the axis of each water outlet hole 54 is parallel to the tangent of the arc-shaped tube, that is, the axes of the multiple water outlet holes 54 of each water distribution hole group are arranged in a circumferential array.

[0051] The above optional embodiments have the beneficial effect that the circumferential array arrangement of the first distributor 5 facilitates the arrangement of the water outlet holes 54 of the corresponding water distribution hole group.

[0052] Optionally, as shown in Figures 1 to 5 , the water circulation assembly includes a circulating pump 7 and a connecting pipeline 4, each first distributor 5 is connected with the water outlet of the circulating pump 7, one end of the connecting pipeline 4 is connected with the water inlet of the circulating pump 7, and the other end of the connecting pipeline 4 is inserted into the anaerobic fermentation tank 1 and located above the multiple first distributors 5.

[0053] The water circulation assembly further includes a second distributor 2, the second distributor 2 is arranged in the anaerobic fermentation tank 1, and the end of the connecting pipeline 4 away from the circulating pump 7 is connected with the second distributor 2; each first distributor 5 is located below the second distributor 2.

[0054] The water circulating assembly further comprises a water distributor 8, and the outlet of the circulating pump 7 and the plurality of first distributors 5 are connected to the water distributor 8 through pipelines.

[0055] In the optional embodiment, it should be noted that the second distributor 2 is a backwater distributor, and the second distributor 2 can be simply clamped or welded to the inner side wall of the anaerobic fermentation tank 1; the water flow directions generated by the second distributor 2 and the first distributor 5 in the horizontal direction are consistent, that is, both are counterclockwise or clockwise.

[0056] A first valve 11 is arranged on the pipeline between the water distributor 8 and the circulating pump 7, and the first valve 11 is a one-way valve.

[0057] The second distributor 2 can also be connected and fixed to the bottom wall of the anaerobic fermentation tank 1 through a stand.

[0058] In addition, a plurality of water distribution pipes 6 are further included, one end of each water distribution pipe 6 is connected to the water distributor 8 through welding or screwing, a plurality of water distribution openings are arranged on the water distribution pipe 6, and the inlet pipe of each first distributor 5 is inserted into one water distribution opening.

[0059] The second distributor 2 can further include a connecting bottom plate, an inlet plate, a backflow gap and an outlet pipe, the outlet pipe is connected to the connecting pipe 4, a plurality of inlet plates are sequentially and spacedly arranged on the connecting bottom plate through welding, a backflow gap is arranged between adjacent two inlet plates, an outlet pipe is arranged on the tail inlet plate, the outlet pipe is communicated with the backflow gap, and the bottom plate is connected to the bottom wall of the anaerobic fermentation tank 1 through a stand.

[0060] Further, the second distributor 2 can be a single water pipe.

[0061] The optional embodiment has the beneficial effect that the reliable backflow of the water flow from bottom to top is ensured through the arrangement of the second distributor 5, and the reliable connection of the circulating pump 7 to the anaerobic fermentation tank 1 is realized, thereby ensuring the reliability of the working of the circulating pump 7.

[0062] Optionally, as shown in Figure 6 Each first distributor 5 comprises a mounting plate 51 and a plurality of water distribution plates 52, one side of the mounting plate 51 is connected to the bottom wall of the anaerobic fermentation tank 1, a plurality of water distribution plates 52 are sequentially arranged on the other side of the mounting plate 51 from the head to the tail, and an outlet hole 54 is formed between adjacent two water distribution plates 52.

[0063] In the optional embodiment, it is to be explained that the mounting plate 51 is in the shape of an arc, each first distributor 5 further comprises a water inlet pipe 53, the end plate 55 is arranged on the water distribution plate 52 at the head end, the water inlet pipe 53 is welded or bonded with the end plate 55 and communicates with the corresponding water outlet hole 54, the end plate 55 is in the shape of a triangle, the cross section of each water distribution plate 52 is in the shape of a triangle, the length of the side of the water distribution plate 52 decreases from the head end to the tail end to form the shape of a triangular prism, the rear half of the water distribution plate 52 at the front is inserted into the front half of the water distribution plate 52 at the rear between two adjacent water distribution plates 52, and the gap between the two water distribution plates 52 is the water outlet hole 54.

[0064] The optional embodiment has the beneficial effect that the mounting plate 51 is only required to be in the shape of an arc, the plurality of water distribution plates 52 are arranged along the mounting plate 51 in the shape of an arc from the head end to the tail end, the axes of the plurality of water outlet holes 54 are arranged in the shape of an arc, and the plurality of first distributors 5 are arranged in the circumferential array, so that the circumferential array of the plurality of water outlet holes 54 of each water distribution hole group is realized, and the processing difficulty of the first distributor 5 is indirectly reduced.

[0065] Optionally, as shown in Figure 2 and Figure 3 the feeding pump 9 and a feeding adjusting tank are further included, the water inlet of the feeding pump 9 is connected with the feeding adjusting tank through a pipeline, and the water outlet of the feeding pump 9 is connected with the water distributor 8 through a pipeline.

[0066] The second valve 12 is arranged on the pipeline between the feeding pump 9 and the water distributor 8.

[0067] In the optional embodiment, it is to be explained that the second valve 12 is a one-way valve, the feeding pump 9 can be further connected with the water distributor 8 through a pipeline, and the second valve 12 is arranged on the pipeline between the feeding pump 9 and the water distributor 8, at this time, the liquid in the adjusting tank is pumped into the water distributor 8 by the feeding pump 9, fully mixed with the circulating water pumped into the water distributor 8 by the circulating pump 7, and then enters the first distributor 5 and the anaerobic fermentation tank 1.

[0068] The optional embodiment has the beneficial effect that the liquid in the adjusting tank can be reliably pumped into the anaerobic fermentation tank 1 by the feeding pump 9, fully mixed with the liquid in the anaerobic fermentation tank 1, the uniformity of the mixing of the liquid and the circulating water is increased, and the treatment effect of the wastewater is indirectly increased.

[0069] The above merely is preferable specific implementation manner of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the technical field can easily think of the change or replacement in the utility model disclosed technology range, should be covered in the protection scope of the utility model. Therefore, the protection scope of the utility model should be limited to the protection scope of claims.

Claims

1. An anaerobic reactor hydrocyclone water distribution device characterized by, The application relates to an anaerobic fermentation tank (1), water distribution devices and a water circulation assembly. The water distribution devices are provided with at least one water distribution hole group, each water distribution hole group comprises a plurality of water outlet holes (54), the center symmetry points of the water outlet holes (54) in each water distribution hole group are coplanar and arranged in a circumferential array, and the planes formed by the center symmetry points of the water outlet holes (54) in each water distribution hole group are parallel to the bottom wall of the anaerobic fermentation tank (1). The first end of the water circulation assembly is connected with the water distribution devices, and the second end of the water circulation assembly is connected to the anaerobic fermentation tank (1), and the water distribution devices are located below the second end of the water circulation assembly.

2. The hydrocyclone water distribution device for an anaerobic reactor according to claim 1, characterized in that The water distribution devices comprise at least one group of first distributors (5), each group of the first distributors (5) comprises at least three first distributors (5) arranged in a circumferential array, each group of the first distributors (5) is located in the anaerobic fermentation tank (1), at least one water outlet hole (54) is arranged on each first distributor (5), each first distributor (5) is connected with the first end of the water circulation assembly, and the water outlet holes (54) in each group of the first distributors (5) combine to form a water distribution hole group.

3. The hydrocyclone water distribution device for an anaerobic reactor according to claim 2, characterized in that The water circulation assembly comprises a circulating pump (7) and a connecting pipeline (4), each first distributor (5) is connected with the water outlet of the circulating pump (7), one end of the connecting pipeline (4) is connected with the water inlet of the circulating pump (7), and the other end of the connecting pipeline (4) is inserted into the anaerobic fermentation tank (1) and located above the first distributors (5).

4. The hydrocyclone water distribution device for an anaerobic reactor according to claim 3, characterized in that The application further comprises a second distributor (2), the second distributor (2) is arranged on the anaerobic fermentation tank (1), one end of the connecting pipeline (4) away from the circulating pump (7) is connected with the second distributor (2), and each first distributor (5) is located below the second distributor (2).

5. The anaerobic reactor hydrocyclone water distribution device according to claim 4, characterized in that, The water circulation assembly further comprises a water distributor (8), the water outlet of the circulating pump (7) and the first distributors (5) are connected with the water distributor (8) through pipelines.

6. The hydrocyclone water distribution device for an anaerobic reactor according to claim 5, characterized in that: A first valve (11) is arranged on the pipeline between the water distributor (8) and the circulating pump (7).

7. The hydrocyclone water distribution device for an anaerobic reactor according to claim 2, characterized in that Each first distributor (5) comprises a mounting plate (51) and a plurality of water distribution plates (52), one side of the mounting plate (51) is connected with the bottom wall of the anaerobic fermentation tank (1), a plurality of water distribution plates (52) are sequentially arranged on the other side of the mounting plate (51) from the head to the tail, and the water outlet holes (54) are formed between adjacent two water distribution plates (52).

8. The hydrocyclone water distribution device for an anaerobic reactor according to any one of claims 2 to 7, characterised in that, The side edge shape of each first distributor (5) is arc-shaped.

9. The hydrocyclone water distribution device for an anaerobic reactor according to claim 5, characterized in that The application further comprises a feed pump (9) and a feed adjusting pool, the water inlet of the feed pump (9) is connected with the feed adjusting pool through a pipeline, and the water outlet of the feed pump (9) is connected with the water distributor (8) through a pipeline.

10. The hydrocyclone water distribution device for an anaerobic reactor according to claim 9, characterized in that A second valve (12) is arranged on the pipeline between the feed pump (9) and the water distributor (8).