Multifunctional anaerobic jar water distribution and sludge discharge device

Abstract

The utility model discloses a multifunctional anaerobic jar water distribution and sludge discharge device which comprises a connecting assembly, a water distribution header pipe, a plurality of water distribution branch pipes, a sludge discharge header pipe and a plurality of sludge discharge branch pipes. A water distribution chamber and a sludge collection chamber which are isolated from each other are formed in the connecting assembly; one end of the water distribution header pipe is communicated with the water distribution chamber, and the other end is connected with an external water inlet pipeline; one end of each water distribution branch pipe is fixed on the connecting assembly and is communicated with the water distribution chamber; one end of the sludge discharge header pipe is communicated with the sludge collection chamber, and the other end is respectively connected with an external sludge discharge pipeline and an external water inlet pipeline; and one end of each sludge discharge branch pipe is fixed on the connecting assembly and is communicated with the sludge collection chamber. The sludge discharging and water distributing device integrates the sludge discharging function and the water distributing function, the sludge discharging header pipe, the sludge collecting chamber and the sludge discharging branch pipes can be washed through the external water inlet pipeline, scaling of a sludge discharging system is slowed down, the maintenance period is prolonged, and the overhaul cost is reduced.

Description

Technical Field

[0001] This utility model relates to the technical field of leachate wastewater treatment equipment, and in particular to a multifunctional anaerobic tank water distribution and sludge discharge device. Background Technology

[0002] Currently, anaerobic digesters are the most commonly used method in leachate wastewater treatment to decompose organic matter and convert organic waste into biogas. However, in actual operation, sludge deposition and scaling problems severely affect the treatment efficiency and operational stability of anaerobic digesters. In particular, the high concentration of calcium and magnesium ions during sludge deposition and scaling easily leads to scaling, which is unavoidable and causes effluent blockage, directly impacting the treatment efficiency of the anaerobic digester.

[0003] Therefore, sludge deposition is a major challenge in the operation of anaerobic digesters. Because wastewater contains a large amount of suspended solids and colloidal substances, these substances gradually settle and accumulate at the bottom of the digester during the anaerobic reaction. If the deposited sludge cannot be completely and effectively removed, it will continuously accumulate inside the digester. On the one hand, excessive sludge accumulation occupies the effective volume of the anaerobic digester, reducing the amount of wastewater that can be treated and lowering the equipment's processing capacity. On the other hand, long-term sludge deposition leads to sludge aging and compaction, affecting the activity and metabolic function of anaerobic microorganisms, thereby reducing the efficiency and treatment effect of the anaerobic reaction.

[0004] Secondly, the high concentration of calcium and magnesium ions in leachate wastewater easily leads to scaling, causing a reduction in the inner diameter of pipes. If scale forms in the effluent pipe, the cross-sectional area decreases, increasing flow resistance and potentially causing complete blockage, hindering water flow and affecting the normal operation of the wastewater treatment system. In sludge discharge pipes, scale can impede the smooth discharge of sludge, causing sludge accumulation, potentially leading to equipment malfunctions, increased maintenance costs, and downtime.

[0005] Therefore, it is necessary to provide a multifunctional anaerobic tank water distribution and sludge discharge device to overcome the above-mentioned defects. Utility Model Content

[0006] The purpose of this invention is to provide a multifunctional anaerobic tank water distribution and sludge discharge device, which aims to improve the problem of easy scaling in the sludge discharge pipeline of the anaerobic tank. It can backwash the sludge discharge system through an external water inlet pipeline, reduce scaling in the pipeline, extend the maintenance cycle, and reduce maintenance costs.

[0007] To achieve the above objectives, this utility model provides a multifunctional anaerobic tank water distribution and sludge discharge device, which is installed inside an anaerobic tank and includes:

[0008] A connecting component, wherein a water distribution chamber and a sludge collection chamber are separated from each other;

[0009] A main water distribution pipe, one end of which is connected to the connecting assembly and communicates with the water distribution chamber, and the other end is fixed to the side wall of the anaerobic tank and used to connect to the external water inlet pipe.

[0010] Multiple water distribution branch pipes, one end of each water distribution branch pipe is fixed to the connecting assembly and communicates with the water distribution chamber;

[0011] The sludge discharge main pipe has one end connected to the connecting assembly and communicating with the sludge collection chamber, and the other end is fixed to the side wall of the anaerobic tank and is used to connect to the external sludge discharge pipe and the external water inlet pipe through different valves respectively.

[0012] Multiple sludge discharge branch pipes, one end of each of the sludge discharge branch pipes is fixed to the connecting assembly and communicates with the sludge collection chamber.

[0013] In a preferred embodiment, the connecting assembly is cylindrical, and the water distribution chamber and the sludge collection chamber are designed as an integral part of each other and separated by a partition plate.

[0014] In a preferred embodiment, the multiple water distribution branch pipes are radially distributed around the periphery of the connecting assembly; the multiple sludge discharge branch pipes are radially distributed around the periphery of the connecting assembly.

[0015] In a preferred embodiment, the multiple water distribution branch pipes and the multiple sludge discharge branch pipes are staggered in the axial direction of the connecting assembly.

[0016] In a preferred embodiment, the length of the sludge discharge branch pipe is greater than the length of the water distribution branch pipe.

[0017] In a preferred embodiment, the plane where the multiple water distribution branch pipes are located is above the plane where the multiple sludge discharge branch pipes are located.

[0018] In a preferred embodiment, the end of the main water distribution pipe away from the connecting assembly is also used to connect to the external sludge discharge pipe and the external water inlet pipe respectively through different valves.

[0019] In a preferred embodiment, the water distribution main pipe and the sludge discharge main pipe are arranged parallel to each other at intervals.

[0020] This utility model provides a multifunctional anaerobic digester water distribution and sludge discharge device, integrating sludge discharge and water distribution functions. During normal operation of the anaerobic digester, wastewater enters through the external inlet pipe, reaches the water distribution chamber via the main water distribution pipe, and is then evenly distributed into the digester through multiple branch water distribution pipes, achieving the water distribution function while simultaneously stirring the sludge at the bottom of the digester. During sludge discharge, sludge is collected from various directions at the bottom of the digester through multiple branch sludge discharge pipes and sent to the sludge collection chamber. The sludge is then discharged from the digester through the main sludge discharge pipe via the external sludge discharge pipe, achieving the sludge discharge function. When flushing of the sludge discharge related pipes is required, the main water distribution pipe is closed, and the external inlet pipe is connected to the main sludge discharge pipe via a valve. This allows flushing water to sequentially pass through the main sludge discharge pipe, the sludge collection chamber, and multiple branch sludge discharge pipes before entering the digester, thus achieving flushing of the main sludge discharge pipe, the sludge collection chamber, and the branch sludge discharge pipes. This reduces scaling in the sludge discharge system, extends maintenance cycles, and reduces maintenance costs. Attached Figure Description

[0021] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this utility model and should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.

[0022] Figure 1 A perspective view of the multifunctional anaerobic tank water distribution and sludge discharge device provided by this utility model.

[0023] The following are labels in the diagram: 100, Multifunctional anaerobic tank water distribution and sludge discharge device; 10, Connecting component; 101, Water distribution chamber; 102, Sludge collection chamber; 11, Isolation plate; 20, Water distribution main pipe; 21, Water distribution branch pipe; 30, Sludge discharge main pipe; 31, Sludge discharge branch pipe. Detailed Implementation

[0024] To make the objectives, technical solutions, and beneficial effects of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described in this specification are merely for explaining the present utility model and are not intended to limit the present utility model.

[0025] It should also be understood that the terminology used in this specification is for the purpose of describing particular embodiments only and is not intended to limit the scope of the invention. As used in this specification and the appended claims, the singular forms “a,” “an,” and “the” are intended to include the plural forms unless the context clearly indicates otherwise.

[0026] It should also be further understood that the term "and / or" as used in this specification and the appended claims refers to any combination of one or more of the associated listed items and all possible combinations, and includes such combinations.

[0027] In an embodiment of this utility model, a multifunctional anaerobic tank water distribution and sludge discharge device 100 is provided, which is installed inside the anaerobic tank and integrates sludge discharge and water distribution functions, effectively solving the problems of sludge deposition, uneven water distribution and pipe blockage.

[0028] like Figure 1 As shown, the multifunctional anaerobic tank water distribution and sludge discharge device 100 includes: a connecting component 10, a main water distribution pipe 20, multiple water distribution branch pipes 21, a main sludge discharge pipe 30, and multiple sludge discharge branch pipes 31. The main water distribution pipe 20 and the multiple water distribution branch pipes 21 together form a water distribution system, and the main sludge discharge pipe 30 and the multiple sludge discharge branch pipes 31 together form a sludge discharge system.

[0029] The connecting assembly 10 has a water distribution chamber 101 and a sludge collection chamber 102 that are separated from each other. The water distribution chamber 101 is located above the sludge collection chamber 102. Specifically, the connecting assembly 10 is cylindrical, and the water distribution chamber 101 and the sludge collection chamber 102 are designed as a single unit and separated by a partition plate 11. Typically, the connecting assembly 10 is placed at the bottom center of the anaerobic tank, thereby forming a whole with the water distribution system and the sludge discharge system.

[0030] One end of the main water distribution pipe 20 is connected to the connecting assembly 10 and communicates with the water distribution chamber 101, while the other end passes through and is fixed to the side wall of the anaerobic tank for connection to the external water inlet pipe. One end of each water distribution branch pipe 21 is fixed to the connecting assembly 10 and communicates with the water distribution chamber 101. In this embodiment, multiple water distribution branch pipes 21 are radially distributed around the connecting assembly 10.

[0031] During normal operation of the anaerobic tank, wastewater enters the main water distribution pipe 20 through the external inlet pipe, reaches the water distribution chamber 101, and is then sprayed out through the nozzles of multiple water distribution branch pipes 21, thus evenly distributing it into the tank, achieving the effect of water distribution, and also serving to stir the sludge at the bottom of the anaerobic tank.

[0032] Among them, the pipe opening of the water distribution branch pipe 21 on the side away from the connecting component 10 is located near the center of the anaerobic tank, so that when water is distributed, the sewage can be flushed and stirred from the center to the surrounding area, thus improving the sludge stirring effect.

[0033] In this embodiment, one end of the sludge discharge main pipe 30 is connected to the connecting assembly 10 and communicates with the sludge collection chamber 102, while the other end is fixed to the side wall of the anaerobic tank and used to connect to the external sludge discharge pipeline and the external water inlet pipeline through different valves. That is, the sludge discharge main pipe 30 can be connected to the external sludge discharge pipeline or the external water inlet pipeline independently. One end of each sludge discharge branch pipe 31 is fixed to the connecting assembly 10 and communicates with the sludge collection chamber 102. Multiple sludge discharge branch pipes 31 are radially distributed around the connecting assembly 10.

[0034] Furthermore, the water distribution main pipe 20 and the sludge discharge main pipe 30 are arranged parallel to each other vertically, which facilitates the connection of the water distribution main pipe 20 and the sludge discharge main pipe 30 to the external water inlet pipe and the external sludge discharge pipe respectively through different valves, thereby reducing the space occupied in the design.

[0035] In this configuration, multiple water distribution branch pipes 21 and multiple sludge discharge branch pipes 31 are staggered along the axial direction of the connecting assembly 10. The plane containing the multiple water distribution branch pipes 21 is located above the plane containing the multiple sludge discharge branch pipes 31. The length of the sludge discharge branch pipe 31 is greater than the length of the water distribution branch pipes 21. That is, the inlet of the water distribution branch pipe 21 on the side away from the connecting assembly 10 is located near the center of the anaerobic tank; the inlet of the sludge discharge branch pipe 31 on the side away from the connecting assembly 10 is located near the tank wall of the anaerobic tank. This allows the water distribution branch pipes 21 to flush the sludge at the center towards the tank wall, thereby facilitating the collection of sludge by the sludge discharge branch pipes 31 near the tank wall.

[0036] When the anaerobic tank is in normal operation and discharging sludge, the sludge discharge main pipe 30 is connected to the external sludge discharge pipeline. Sludge is collected from all directions at the bottom of the anaerobic tank through the openings of multiple sludge discharge branch pipes 31. After the sludge reaches the sludge collection chamber 102, it is discharged from the anaerobic tank through the sludge discharge main pipe 30.

[0037] When backwashing of the sludge discharge system in the anaerobic tank is required, the connection between the main water distribution pipe 20 and the external water inlet pipe is closed, and the connection between the main sludge discharge pipe 30 and the external water inlet pipe is opened. The flushing water from the external water inlet pipe passes sequentially through the main sludge discharge pipe 30, the sludge collection chamber 102, and multiple sludge discharge branch pipes 31 before entering the anaerobic tank, thereby flushing away the sludge and scale inside the pipe walls of the sludge discharge system, reducing scaling in the sludge discharge system, extending the maintenance cycle, and reducing maintenance costs.

[0038] Furthermore, in one embodiment, the end of the main water distribution pipe 20 away from the connecting assembly 10 is also used to connect to the external sludge discharge pipe and the external water inlet pipe respectively through different valves. That is, the main water distribution pipe 20 can also be connected to the external water inlet pipe alone or to the external sludge discharge pipe alone by switching different valves.

[0039] When the sludge discharge system's discharge capacity is insufficient, the amount of sludge in the anaerobic tank is large, or it is inconvenient to discharge sludge from the middle area of ​​the anaerobic tank, the water distribution system can be used to supplement sludge discharge. The connection between the main water distribution pipe 20 and the external water inlet pipe is closed, and the connection between the main water distribution pipe 20 and the external sludge discharge pipe is opened. Sludge enters the water distribution chamber 101 from the branch water distribution pipe 21, then passes through the main water distribution pipe 20 and is discharged through the external sludge discharge pipe to supplement the sludge in the middle area of ​​the anaerobic tank, preventing sludge accumulation in the middle area due to the branch pipe 31's outlet being far from the middle area. In addition, the water distribution system can also be backwashed through the external water inlet pipe.

[0040] Of course, based on the above principles, water can also be supplemented through the sludge removal system in certain situations.

[0041] In summary, the multifunctional anaerobic tank water distribution and sludge discharge device 100 provided by this utility model integrates sludge discharge and water distribution functions. During normal operation of the anaerobic tank, wastewater enters through the external inlet pipe and reaches the water distribution chamber 101 via the main water distribution pipe 20. It is then evenly distributed into the tank via multiple branch water distribution pipes 21, achieving the water distribution function while simultaneously stirring the sludge at the bottom of the anaerobic tank. During normal sludge discharge, sludge is collected from various directions at the bottom of the anaerobic tank via multiple sludge discharge branch pipes 31 and sent to the sludge collection chamber 102. The sludge is then discharged from the anaerobic tank via the main sludge discharge pipe 30 and external sludge discharge pipe, achieving the sludge discharge function. When flushing of sludge discharge pipelines is required, the main water distribution pipe 20 is closed, and the external water inlet pipe is connected to the main sludge discharge pipe 30 via a valve. The flushing water then flows sequentially through the main sludge discharge pipe 30, the sludge collection chamber 102, and multiple branch pipes 31 before entering the anaerobic digester. This flushing process effectively cleans the main sludge discharge pipe 30, the sludge collection chamber 102, and the branch pipes 31, reducing scaling in the sludge discharge system, extending maintenance cycles, and lowering repair costs. This device is compact and simple in structure, effectively solving the problems of sludge deposition and pipe blockage in the anaerobic digester, and improving the operating efficiency of the anaerobic digester.

[0042] This invention is not limited to the description in the specification and embodiments. Therefore, other advantages and modifications can be readily realized by those skilled in the art. Thus, without departing from the spirit and scope of the general concept as defined by the claims and their equivalents, this invention is not limited to the specific details, representative devices and illustrated examples shown and described herein.

Claims

1. A multifunctional anaerobic tank water distribution and sludge discharge device, used for installation inside an anaerobic tank, characterized in that, include: A connecting component, wherein a water distribution chamber and a sludge collection chamber are separated from each other; A main water distribution pipe, one end of which is connected to the connecting assembly and communicates with the water distribution chamber, and the other end is fixed to the side wall of the anaerobic tank and used to connect to the external water inlet pipe. Multiple water distribution branch pipes, one end of each water distribution branch pipe is fixed to the connecting assembly and communicates with the water distribution chamber; The sludge discharge main pipe has one end connected to the connecting assembly and communicates with the sludge collection chamber, and the other end is fixed to the side wall of the anaerobic tank and is used to connect to the external sludge discharge pipe and the external water inlet pipe through different valves respectively. Multiple sludge discharge branch pipes, one end of each of the sludge discharge branch pipes is fixed to the connecting assembly and communicates with the sludge collection chamber.

2. The multifunctional anaerobic tank water distribution and sludge discharge device as described in claim 1, characterized in that, The connecting component is cylindrical, and the water distribution chamber and the sludge collection chamber are designed as a single unit and separated by a partition plate.

3. The multifunctional anaerobic tank water distribution and sludge discharge device as described in claim 2, characterized in that, The multiple water distribution branch pipes are radially distributed around the periphery of the connecting component; the multiple sludge discharge branch pipes are radially distributed around the periphery of the connecting component.

4. The multifunctional anaerobic tank water distribution and sludge discharge device as described in claim 3, characterized in that, The multiple water distribution branch pipes and the multiple sludge discharge branch pipes are staggered in the axial direction of the connecting assembly.

5. The multifunctional anaerobic tank water distribution and sludge discharge device as described in claim 3, characterized in that, The length of the sludge discharge branch pipe is greater than the length of the water distribution branch pipe.

6. The multifunctional anaerobic tank water distribution and sludge discharge device as described in claim 3, characterized in that, The plane containing the multiple water distribution branch pipes is located above the plane containing the multiple sludge discharge branch pipes.

7. The multifunctional anaerobic tank water distribution and sludge discharge device as described in claim 1, characterized in that, The end of the main water distribution pipe furthest from the connecting assembly is also used to connect to the external sludge discharge pipe and the external water inlet pipe through different valves.

8. The multifunctional anaerobic tank water distribution and sludge discharge device as described in claim 1, characterized in that, The water distribution main pipe and the sludge discharge main pipe are arranged parallel to each other at intervals.

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