Anaerobic tank circulating pipeline pickling device and landfill leachate treatment equipment

Abstract

The utility model discloses an anaerobic tank circulating pipeline pickling device and landfill leachate treatment equipment, and relates to the technical field of landfill leachate treatment, the anaerobic tank circulating pipeline pickling device comprises a connecting assembly and a pickling assembly, the connecting assembly is used for detachably connecting the branch pipelines of the two anaerobic tanks; the pickling assembly is used for providing cleaning liquid for pickling the circulating pipeline of the anaerobic tanks, and the pickling assembly is provided with a liquid inlet and a liquid outlet which are detachably connected to outlet pipelines of anaerobic circulating pumps of the two anaerobic tanks respectively, so that the cleaning liquid in the pickling assembly can flow through branch pipelines of the two anaerobic tanks to return to the pickling assembly. According to the anaerobic tank circulating pipeline pickling device provided by the utility model, the branch pipelines of the two anaerobic tanks are connected through the connecting assembly, so that cleaning liquid in the pickling assembly can flow through the branch pipelines of the two anaerobic tanks to return to the pickling assembly, and the effect of simultaneously cleaning the branch pipelines of the two anaerobic tanks is realized; and the cleaning efficiency of the anaerobic circulating pipeline of the leachate anaerobic tank is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of garbage infiltration treatment, and more specifically to an anaerobic pool circulation pipeline acid washing device and garbage infiltration liquid treatment equipment. Background Art

[0002] During the operation of the anaerobic circulation pipeline of the anaerobic leachate tank, due to various reasons, it is very easy to form a scale layer attached to the inner wall of the pipeline. When the scale is serious, the circulation flow is often insufficient, causing the anaerobic reaction of the leachate to be unable to fully proceed under suitable conditions, which brings great troubles to the leachate treatment process. In order to solve these problems, the acid washing technology of the anaerobic circulation pipeline of the anaerobic tank was proposed and promoted, which can bring more suitable operating conditions for the anaerobic reaction in the process of garbage leachate treatment.

[0003] In the prior art, external pipes and valves are usually installed on the front and back of the main pipe section of the anaerobic circulation pump of an anaerobic tank to pickle the anaerobic circulation main pipe of an anaerobic tank. However, the pickling application scope of this technical solution is relatively small, and the anaerobic circulation branch pipes of the anaerobic tank cannot be fully pickled. The traditional method of disassembling the pipes and cleaning them manually is still required, which makes the cleaning efficiency of the anaerobic circulation pipes of the leachate anaerobic tank low.

[0004] Therefore, how to improve the cleaning efficiency of the anaerobic circulation pipeline of the anaerobic leachate tank has become a technical problem that needs to be solved urgently by those skilled in the art. Utility Model Content

[0005] In view of this, the purpose of the utility model is to provide an anaerobic tank circulation pipeline acid cleaning device to improve the cleaning efficiency of the anaerobic circulation pipeline of the leachate anaerobic tank.

[0006] Another object of the utility model is to provide a garbage leachate treatment device having the above-mentioned anaerobic tank circulation pipeline acid washing device.

[0007] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0008] An anaerobic tank circulation pipeline pickling device, comprising:

[0009] A connecting assembly, used for detachably connecting branch pipes of two anaerobic tanks;

[0010] The pickling assembly is used to provide cleaning liquid for the circulating pipeline of the pickling anaerobic tank. The pickling assembly is provided with a liquid inlet and a liquid outlet which are respectively used to be detachably connected to the outlet pipelines of the anaerobic circulation pumps of the two anaerobic tanks, so that the cleaning liquid in the pickling assembly can flow through the branch pipelines of the two anaerobic tanks in sequence and return to the pickling assembly.

[0011] Optionally, in the above-mentioned anaerobic tank circulation pipeline pickling device, the connecting assembly includes a valve component arranged on the branch pipeline and a connecting pipe for connecting two valve components.

[0012] Optionally, in the above-mentioned anaerobic tank circulation pipeline pickling device, the valve component includes a flange blind plate for connecting to the port of the branch pipeline and a control valve connected to the flange blind plate, and the connecting pipe is used to connect to the control valve.

[0013] Optionally, in the above-mentioned anaerobic tank circulation pipeline pickling device, each of the anaerobic tanks has a plurality of branch pipelines, and the valve component is provided on each branch pipeline.

[0014] Optionally, in the above-mentioned anaerobic tank circulating pipe pickling device, the pickling component includes a holding tank for containing cleaning liquid and a cleaning liquid circulation pump for driving the flow of cleaning liquid, and the liquid inlet and the liquid outlet are arranged on the holding tank.

[0015] Optionally, in the above-mentioned anaerobic tank circulation pipeline pickling device, a first liquid control valve and a second liquid control valve are respectively provided on the outlet pipelines of the anaerobic circulation pumps of the two anaerobic tanks, the liquid outlet is detachably connected to the first liquid control valve through a liquid outlet pipe, and the liquid inlet is detachably connected to the second liquid control valve through a liquid inlet pipe.

[0016] Optionally, in the above-mentioned anaerobic tank circulation pipeline pickling device, the cleaning liquid circulation pump is arranged between the liquid outlet and the first liquid control valve.

[0017] Optionally, in the above-mentioned anaerobic tank circulation pipeline pickling device, the connecting pipe, the liquid inlet pipe and the liquid outlet pipe are all corrosion-resistant hoses.

[0018] A landfill leachate treatment device, comprising:

[0019] A first anaerobic tank, wherein the first anaerobic tank comprises a first circulation pipeline, and the first circulation pipeline comprises a first branch pipe and a first anaerobic circulation pump for driving the flow of leachate in the first anaerobic tank;

[0020] a second anaerobic tank, wherein the second anaerobic tank comprises a second circulation pipeline, and the second circulation pipeline comprises a second branch pipe and a second anaerobic circulation pump for driving the flow of leachate in the second anaerobic tank;

[0021] An anaerobic tank circulation pipeline pickling device as described in any of the above items is arranged between the first circulation pipeline and the second circulation pipeline.

[0022] Optionally, in the above-mentioned landfill leachate treatment equipment, the first circulation pipeline and the second circulation pipeline are interconnected, and a third anaerobic circulation pump is connected in parallel between the first circulation pipeline and the second circulation pipeline.

[0023] The utility model provides an anaerobic tank circulation pipeline pickling device, which connects the branch pipelines of two anaerobic tanks through a connecting component, and simultaneously connects the liquid inlet and the liquid outlet of the pickling component to the outlet pipelines of the anaerobic circulation pumps of the two anaerobic tanks, so that the cleaning liquid in the pickling component can flow through the branch pipelines of the two anaerobic tanks and return to the pickling component, thereby achieving the effect of simultaneously cleaning the branch pipelines of the two anaerobic tanks, and improving the cleaning efficiency of the anaerobic circulation pipeline of the leachate anaerobic tank.

[0024] The technical features mentioned above, the technical features to be mentioned below, and the technical features shown separately in the drawings can be combined with each other arbitrarily, as long as the combined technical features are not contradictory. All feasible feature combinations are technical contents clearly recorded in this article. Any of the multiple sub-features contained in the same sentence can be applied independently, and does not have to be applied together with other sub-features. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are merely embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on the provided drawings without paying any creative work.

[0026] Figure 1 A schematic diagram of the structure of an anaerobic tank circulation pipeline pickling device provided in an embodiment of the utility model;

[0027] Figure 2 A schematic diagram of the structure of a valve member provided in an embodiment of the utility model;

[0028] Figure 3 Schematic diagram of the structure of the anaerobic circulation main pipe pickling path provided by the embodiment of the utility model Figure 1 ;

[0029] Figure 4 Schematic diagram of the structure of the anaerobic circulation main pipe pickling path provided by the embodiment of the utility model Figure 2 .

[0030] Wherein, 100 is a connection assembly, 101 is a valve component, 1011 is a flange blind plate, 1012 is a control valve, and 102 is a connection pipe;

[0031] 200 is a pickling assembly, 201 is a containing tank, 202 is a cleaning liquid circulation pump, 203 is a first liquid control valve, 204 is a second liquid control valve, 205 is a liquid outlet pipe, and 206 is a liquid inlet pipe;

[0032] 300 is the first circulation pipeline, 301 is the first branch pipe, 3011 is the 1# pool 1 branch pipe, 3012 is the 1# pool 2 branch pipe, 3013 is the 1# pool 3 branch pipe, 3014 is the 1# pool 4 branch pipe, and 302 is the first anaerobic circulation pump;

[0033] 400 is the second circulation pipeline, 401 is the second branch pipe, 4011 is the 1st branch pipe of 2# pool, 4012 is the 2nd branch pipe of 2# pool, 4013 is the 3rd branch pipe of 2# pool, 4014 is the 4th branch pipe of 2# pool, 402 is the second anaerobic circulation pump; 500 is the third anaerobic circulation pump. DETAILED DESCRIPTION

[0034] The core of the utility model is to provide an anaerobic tank circulation pipeline acid cleaning device to improve the cleaning efficiency of the anaerobic circulation pipeline of the anaerobic tank for leachate.

[0035] Another core of the utility model is to provide a garbage leachate treatment device with the above-mentioned anaerobic tank circulation pipeline acid washing device.

[0036] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0037] During the operation of the anaerobic circulation pipeline of the anaerobic leachate tank, due to various reasons, it is very easy to form a scale layer attached to the inner wall of the pipeline. When the scale is serious, the circulation flow is often insufficient, causing the anaerobic reaction of the leachate to be unable to fully proceed under suitable conditions, which brings great troubles to the leachate treatment process. In order to solve these problems, the acid washing technology of the anaerobic circulation pipeline of the anaerobic tank was proposed and promoted, which can bring more suitable operating conditions for the anaerobic reaction in the process of garbage leachate treatment.

[0038] In the prior art, external pipes and valves are usually installed at the front and rear of the main pipe section of the anaerobic circulation pump of an anaerobic tank, and the anaerobic circulation main pipe of the anaerobic tank is acid-washed.

[0039] However, the acid cleaning application scope of this technical solution is relatively small, and the anaerobic circulation branch pipes of the anaerobic tank cannot be fully acid-cleaned. The traditional method of disassembling the pipes and cleaning them manually is still required, which makes the cleaning efficiency of the anaerobic circulation pipes of the leachate anaerobic tank low.

[0040] For this reason, Figures 1 to 4As shown, the embodiment of the utility model discloses an anaerobic tank circulation pipeline pickling device, including a connecting component 100 and a pickling component 200. The branch pipelines of the two anaerobic tanks are connected by the connecting component 100, and the liquid inlet and the liquid outlet of the pickling component 200 are respectively connected to the outlet pipelines of the anaerobic circulation pumps of the two anaerobic tanks, so that the cleaning liquid in the pickling component 200 can flow through the branch pipelines of the two anaerobic tanks and return to the pickling component 200, thereby achieving the effect of cleaning the branch pipelines of the two anaerobic tanks at the same time, and improving the cleaning efficiency of the anaerobic circulation pipeline of the leachate anaerobic tank.

[0041] The following will be combined Figures 1 to 4 The anaerobic tank circulation pipeline pickling device disclosed in the embodiment of the utility model is specifically explained and illustrated.

[0042] like Figure 1 As shown, the connecting component 100 connects the branch pipelines of the two anaerobic tanks, and the pickling component 200 is provided with a liquid inlet and a liquid outlet, and the liquid inlet and the liquid outlet are respectively connected to the outlet pipelines of the anaerobic circulation pumps of the two anaerobic tanks to form an anaerobic tank pipeline cleaning circulation pipeline, so that the cleaning liquid provided by the pickling component 200 can flow through the branch pipelines of the two anaerobic tanks in sequence and return to the pickling component 200, thereby achieving the effect of simultaneously cleaning the branch pipelines of the two anaerobic tanks, improving the cleaning efficiency of the anaerobic circulation pipeline of the leachate anaerobic tank, and at the same time, the main pipe section of the anaerobic circulation pump can be repeatedly cleaned by changing the connection position of the liquid inlet and the liquid outlet of the pickling component 200, thereby improving the cleaning effect. Specifically, for ease of understanding, the two anaerobic tanks are respectively defined as the first anaerobic tank and the second anaerobic tank, and the branch pipeline of the first anaerobic tank is defined as the first branch pipeline 301, the anaerobic circulation pump of the first anaerobic tank is defined as the first anaerobic circulation pump 302, the outlet pipeline of the first anaerobic circulation pump 302 is defined as the first outlet pipeline, the inlet pipeline of the first anaerobic circulation pump 302 is defined as the first inlet pipeline, the branch pipeline of the second anaerobic tank is defined as the second branch pipeline 401, the anaerobic circulation pump of the second anaerobic tank is defined as the second anaerobic circulation pump 402, the outlet pipeline of the second anaerobic circulation pump 402 is defined as the second outlet pipeline, and the inlet pipeline of the second anaerobic circulation pump 402 is defined as the second inlet pipeline.

[0043] When cleaning the branch pipe, Figure 1As shown, the first branch pipe 301 and the second branch pipe 401 are connected by the connecting component 100, and the liquid outlet of the pickling component 200 is connected to the first outlet pipeline, and the liquid inlet of the pickling component 200 is connected to the second outlet pipeline, so that the cleaning liquid provided by the pickling component 200 can flow from the liquid outlet into the first outlet pipeline, and then flow from the first outlet pipeline into the first branch pipe 301, and flow from the connecting component 100 into the second branch pipe 401, and then flow from the second branch pipe 401 through the second outlet pipeline from the liquid inlet back to the pickling component 200, thereby realizing simultaneous cleaning of the first branch pipe 301 and the second branch pipe 401.

[0044] When cleaning the main pipe section of the anaerobic circulation pump, Figure 3 As shown, the liquid outlet of the pickling assembly 200 can be connected to the first inlet pipeline, and the liquid inlet of the pickling assembly 200 can be connected to the second outlet pipeline. At this time, the cleaning liquid provided by the pickling assembly 200 can flow from the liquid outlet into the first inlet pipeline, and pass through the first anaerobic circulation pump 302 and the second anaerobic circulation pump 402 in sequence, and then flow back to the pickling assembly 200 from the liquid inlet through the second outlet pipeline, thereby achieving one-time cleaning of the anaerobic circulation pump main pipe section; then, as shown in FIG. Figure 4 As shown, the liquid outlet of the pickling component 200 is connected to the first outlet pipeline, and the liquid inlet of the pickling component 200 is connected to the second inlet pipeline. At this time, the cleaning liquid provided by the pickling component 200 can flow from the liquid outlet into the first outlet pipeline, and pass through the first anaerobic circulation pump 302 and the second anaerobic circulation pump 402 in sequence, and then flow back to the pickling component 200 from the liquid inlet through the second inlet pipeline, thereby realizing secondary cleaning of the anaerobic circulation pump main pipe section, and improving the cleaning effect of the anaerobic circulation pump main pipe section.

[0045] It should be noted that the cleaning liquid in the above embodiment can be but is not limited to hydrochloric acid and other cleaning liquids. After the acid washing is completed, the waste acid liquid is neutralized with alkaline solution to a pH value of 6 to 9 and then discharged into the maintenance sewage pool reflux leachate treatment system for internal treatment.

[0046] Furthermore, if Figure 1 As shown, in a specific embodiment, each anaerobic tank has multiple branch pipes, that is, there are multiple first branch pipes 301 and second branch pipes 401. In this embodiment, there are four first branch pipes 301 and four second branch pipes 401. For ease of understanding, the four first branch pipes 301 of the first anaerobic tank are defined as 1# tank 1 branch pipe 3011, 1# tank 2 branch pipe 3012, 1# tank 3 branch pipe 3013 and 1# tank 4 branch pipe 3014, respectively. The four second branch pipes 401 of the second anaerobic tank are defined as 2# tank 1 branch pipe 4011, 2# tank 2 branch pipe 4012, 2# tank 3 branch pipe 4013 and 2# tank 4 branch pipe 4014, respectively. Among them, the connecting assembly 100 includes a valve component 101 disposed on the branch pipe and a connecting pipe 102 for connecting two valve components 101. As shown Figure 1 As shown, a valve component 101 may be provided on each branch pipe, that is, a valve component 101 may be provided on each of the four first branches 301 of the first anaerobic tank and the four second branches 401 of the second anaerobic tank. During cleaning, it is only necessary to connect the two ends of the connecting pipe 102 to the valve components 101 of the first branch pipe 301 and the second branch pipe 401 respectively, so that the first branch pipe 301 and the second branch pipe 401 can be cleaned simultaneously. When other branch pipes need to be cleaned, it is only necessary to move the connecting pipe 102. Of course, the valve component 101 and the connecting pipe 102 may also be designed as an integrated structure. During cleaning, it is only necessary to connect the valve components 101 at both ends of the connecting pipe 102 to the first branch pipe 301 and the second branch pipe 401, so that the first branch pipe 301 and the second branch pipe 401 can be cleaned simultaneously. When other branch pipes need to be cleaned, it is only necessary to disassemble the valve component 101 and reinstall it on the target branch pipe to be cleaned. Specifically, as Figure 2 As shown, the valve component 101 includes a blind flange plate 1011 connected to a port of a branch pipeline and a control valve 1012 connected to the blind flange plate 1011 , and the connecting pipe 102 is connected to the control valve 1012 .

[0047] Furthermore, if Figure 1 As shown, the pickling assembly 200 includes a holding tank 201 for containing cleaning liquid and a cleaning liquid circulation pump 202 for driving the cleaning liquid to flow, and the liquid inlet and the liquid outlet are arranged on the holding tank 201. At the same time, the outlet pipelines of the anaerobic circulation pumps of the two anaerobic tanks are respectively provided with a first liquid control valve 203 and a second liquid control valve 204, that is, the first outlet pipeline of the first anaerobic circulation pump 302 is provided with a first liquid control valve 203, and the second outlet pipeline of the second anaerobic circulation pump 402 is provided with a second liquid control valve 204, and the liquid outlet is detachably connected to the first liquid control valve 203 through a liquid outlet pipe 205, and the cleaning liquid circulation pump 202 is arranged between the liquid outlet and the first liquid control valve 203 to drive the cleaning liquid to flow out from the liquid outlet of the holding tank 201, and the liquid inlet is detachably connected to the second liquid control valve 204 through a liquid inlet pipe 206. When the main pipe section of the anaerobic circulation pump needs to be cleaned, it is only necessary to connect the end of the liquid outlet pipe 205 connected to the first liquid control valve 203 to the first inlet pipeline of the first anaerobic circulation pump 302 or to connect the end of the liquid inlet pipe 206 connected to the second liquid control valve 204 to the second inlet pipeline of the second anaerobic circulation pump 402.

[0048] It should be noted that the connecting pipe 102, the liquid inlet pipe 206 and the liquid outlet pipe 205 in the above embodiment are all made of corrosion-resistant hoses. Specifically, the connecting pipe 102, the liquid inlet pipe 206 and the liquid outlet pipe 205 can be made of but not limited to PVC plastic pipes.

[0049] When the pickling device is used to pickle the circulation pipeline of the anaerobic tank, the branch pipeline of the anaerobic tank is cleaned first, and the valve member 101, i.e., valve 1-5, of the 1# tank 1 branch pipe 3011 and the valve member 101, i.e., valve 1-5, of the 2# tank 1 branch pipe 4011 are connected through the connecting pipe 102. The liquid inlet and liquid outlet of the pickling assembly 200 are respectively connected to the first liquid control valve 203 and the second liquid control valve 204 through the liquid inlet pipe 206 and the liquid outlet pipe 205. The cleaning liquid passes through the first liquid control valve 203, valve 21, valve 1 of the 1# tank 1 branch pipe 3011, valve 1-5 of the 1# tank 1 branch pipe 3011, valve 1-5 of the 2# tank 1 branch pipe 4011, valve 1 of the 2# tank 1 branch pipe 4011, valve 22 and the second liquid control valve 204 from the liquid outlet of the receiving tank 201 of the pickling assembly 200 and then returns to the receiving tank 201 of the pickling assembly 200. After the pickling effect is achieved for branch pipe 3011 of pool 1# and branch pipe 4011 of pool 2#, the interface of connecting pipe 102 is replaced to branch pipe 3012 of pool 2# and branch pipe 4012 of pool 2#, branch pipe 3013 of pool 1# and branch pipe 4013 of pool 3#, branch pipe 3014 of pool 1# and branch pipe 4014 of pool 2# in turn, and the pickling of the branch pipes is completed.

[0050] Then, the main pipe section of the anaerobic circulation pump is cleaned, and the end of the liquid outlet pipe 205 of the pickling assembly 200 connected to the first liquid control valve 203 is first connected to the first inlet pipeline of the first anaerobic circulation pump 302, and the liquid inlet pipe 206 of the pickling assembly 200 is connected to the second liquid control valve 204. Specifically, the end of the liquid outlet pipe 205 of the pickling assembly 200 connected to the first liquid control valve 203 can be connected to the outlet main pipe between valve 11 and valve 12. In this embodiment, as shown in FIG. Figure 3 As shown, the valve 11 can be removed, and the liquid outlet pipe 205 can be connected to the position of the outlet main pipe where the valve 11 is located. At this time, the cleaning liquid passes through the liquid outlet of the receiving tank 201 of the pickling component 200 through the valve 11-1, the first anaerobic circulation pump 302, the valve 21-1, the valve 21-2, the valve 21-12, the third anaerobic circulation pump 500, the valve 1-12, the valve 12-2, the valve 12-1, the second anaerobic circulation pump 402, the valve 22-1 and the second liquid control valve 204, and then returns to the receiving tank 201 of the pickling component 200, thereby achieving a cleaning of the anaerobic circulation pump main pipe section. Then the liquid outlet pipe 205 of the pickling component 200 is connected to the first liquid control valve 203, and the end of the liquid inlet pipe 206 of the pickling component 200 connected to the second liquid control valve 204 is connected to the second inlet pipeline of the second anaerobic circulation pump 402. Similarly, as shown in FIG. Figure 4As shown, the valve 12 can be removed, and the liquid inlet pipe 206 is connected to the position of the outlet main pipe where the valve 12 is located. At this time, the cleaning liquid passes through the first liquid control valve 203, valve 21-1, the first anaerobic circulation pump 302, valve 11-1, valve 11-2, valve 1-12, the third anaerobic circulation pump 500, valve 21-12, valve 22-2, valve 22-1, the second anaerobic circulation pump 402 and valve 12-1 from the liquid outlet of the receiving tank 201 of the pickling assembly 200, and returns to the receiving tank 201 of the pickling assembly 200 through the liquid inlet pipe 206, thereby realizing secondary cleaning of the anaerobic circulation pump main pipe section. It should be noted that, when the end of the liquid outlet pipe 205 connected to the first liquid control valve 203 is connected to the first inlet pipeline of the first anaerobic circulation pump 302 or the end of the liquid inlet pipe 206 connected to the second liquid control valve 204 is connected to the second inlet pipeline of the second anaerobic circulation pump 402, a metal pipe can also be externally connected to the outlet mother pipe between the valve 11 and the valve 12, and a control valve is provided on the metal pipe. By connecting the liquid outlet pipe 205 or the liquid inlet pipe 206 to the control valve of the first inlet pipeline or the second inlet pipeline respectively, the valve 11 and the valve 12 do not need to be removed, thereby achieving the purpose of connecting the liquid outlet pipe 205 to the first inlet pipeline of the first anaerobic circulation pump 302 or connecting the liquid inlet pipe 206 to the second inlet pipeline of the second anaerobic circulation pump 402.

[0051] It should be noted that in the above embodiment, except for the valve through which the cleaning liquid flows, the other valves are all in a closed state, and the control valve and the liquid control valve mentioned in the above embodiment have the same function, and the control valve and the liquid control valve can be but not limited to ball valves, butterfly valves, gate valves or stop valves, etc., which are not limited in this article.

[0052] The utility model also discloses a garbage leachate treatment device, including a first anaerobic tank and a second anaerobic tank. Figure 1 As shown, the first anaerobic tank includes a first circulation pipeline 300, and the first circulation pipeline 300 includes a first branch pipe 301 and a first anaerobic circulation pump 302 for driving the flow of leachate in the first anaerobic tank. The second anaerobic tank includes a second circulation pipeline 400, and the second circulation pipeline 400 includes a second branch pipe 401 and a second anaerobic circulation pump 402 for driving the flow of leachate in the second anaerobic tank. In addition, the first circulation pipeline 300 and the second circulation pipeline 400 are interconnected, and a third anaerobic circulation pump 500 is connected in parallel between the first circulation pipeline 300 and the second circulation pipeline 400. A pickling device is provided between the first circulation pipeline 300 and the second circulation pipeline 400, and the pickling device is the anaerobic tank circulation pipeline pickling device disclosed in the above embodiment, so it has all the technical effects of the above-mentioned anaerobic tank circulation pipeline pickling device, which will not be repeated here.

[0053] The terms "first" and "second" in the specification and claims of the utility model and the above-mentioned drawings are used to distinguish different objects, rather than to describe a specific order. In addition, the terms "including" and "having" and any of their variations are intended to cover non-exclusive inclusions. For example, a process, method, system, product or device that includes a series of steps or units is not limited to the listed steps or units, but may include steps or units that are not listed.

[0054] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. An anaerobic tank circulation pipeline pickling device, characterized in that: include: A connecting assembly (100) for detachably connecting branch pipes of two anaerobic tanks; The pickling assembly (200) is used to provide cleaning liquid for the circulating pipeline of the pickling anaerobic tank. The pickling assembly (200) is provided with a liquid inlet and a liquid outlet respectively used for being detachably connected to the outlet pipelines of the anaerobic circulating pumps of the two anaerobic tanks, so that the cleaning liquid in the pickling assembly (200) can flow through the branch pipelines of the two anaerobic tanks in sequence and return to the pickling assembly (200).

2. The anaerobic tank circulation pipeline pickling device according to claim 1 is characterized in that: The connection assembly (100) comprises a valve component (101) arranged on the branch pipeline and a connection pipe (102) used for connecting two valve components (101).

3. The anaerobic tank circulation pipeline pickling device according to claim 2 is characterized in that: The valve component (101) comprises a blind flange plate (1011) for connecting to a port of the branch pipeline and a control valve (1012) connected to the blind flange plate (1011), and the connecting pipe (102) is used to connect to the control valve (1012).

4. The anaerobic tank circulation pipeline pickling device according to claim 2 is characterized in that: Each of the anaerobic tanks has a plurality of branch pipelines, and each branch pipeline is provided with the valve component (101).

5. The anaerobic tank circulation pipeline pickling device according to claim 2 is characterized in that: The pickling assembly (200) comprises a containing tank (201) for containing cleaning liquid and a cleaning liquid circulation pump (202) for driving the flow of the cleaning liquid, and the liquid inlet and the liquid outlet are arranged on the containing tank (201).

6. The anaerobic tank circulation pipeline pickling device according to claim 5 is characterized in that: A first liquid control valve (203) and a second liquid control valve (204) are respectively provided on the outlet pipelines of the anaerobic circulation pumps of the two anaerobic tanks; the liquid outlet is detachably connected to the first liquid control valve (203) via a liquid outlet pipe (205); and the liquid inlet is detachably connected to the second liquid control valve (204) via a liquid inlet pipe (206).

7. The anaerobic tank circulation pipeline pickling device according to claim 6 is characterized in that: The cleaning liquid circulation pump (202) is arranged between the liquid outlet and the first liquid control valve (203).

8. The anaerobic tank circulation pipeline pickling device according to claim 6, characterized in that: The connecting pipe (102), the liquid inlet pipe (206) and the liquid outlet pipe (205) are all corrosion-resistant hoses.

9. A landfill leachate treatment device, characterized in that: include: A first anaerobic tank, wherein the first anaerobic tank comprises a first circulation pipeline (300), wherein the first circulation pipeline (300) comprises a first branch pipe (301) and a first anaerobic circulation pump (302) for driving the flow of leachate in the first anaerobic tank; A second anaerobic tank, wherein the second anaerobic tank comprises a second circulation pipeline (400), and the second circulation pipeline (400) comprises a second branch pipe (401) and a second anaerobic circulation pump (402) for driving the flow of the leachate in the second anaerobic tank; The anaerobic tank circulation pipeline pickling device according to any one of claims 1 to 8 is arranged between the first circulation pipeline (300) and the second circulation pipeline (400).

10. The landfill leachate treatment equipment according to claim 9, characterized in that: The first circulation pipeline (300) and the second circulation pipeline (400) are interconnected, and a third anaerobic circulation pump (500) is connected in parallel between the first circulation pipeline (300) and the second circulation pipeline (400).

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