Anaerobic granular sludge feeding device for water treatment

Abstract

The utility model relates to the technical field of water treatment, and discloses an anaerobic granular sludge feeding device for water treatment, which comprises a sludge tank and an electric-hydraulic push rod, a piston is slidably connected in the sludge tank, and the telescopic end of the electric-hydraulic push rod penetrates through the inner wall of the top end of the sludge tank and is fixedly connected with the middle of the upper surface of the piston. The electro-hydraulic push rod is controlled to work to drive the piston to move up and down, when the piston moves upwards, anaerobic granular sludge in the sludge tank can be pumped into the sludge tank through the sewage pumping pipe, and when the piston moves downwards, the anaerobic granular sludge in the sludge tank can be discharged through the sewage discharging pipe. Therefore, the problem that an existing anaerobic granular sludge adding device is prone to dispersing in the anaerobic granular sludge adding process can be solved, the amount of sludge in the sludge tank can be detected through combination of the marker post and the sliding groove, and workers can conveniently control the adding amount of the anaerobic granular sludge.

Description

Technical Field

[0001] The utility model relates to the technical field of water treatment, in particular to an anaerobic granular sludge dosing device for water treatment. Background Art

[0002] With the widespread application of anaerobic treatment technology in the field of domestic industrial wastewater treatment, a large number of anaerobic treatment facilities have been built in China, most of which are anaerobic reactors based on anaerobic granular sludge. When these anaerobic reactors are started by anaerobic organisms, they must use the anaerobic granular sludge produced in the anaerobic treatment of wastewater from other projects as inoculated sludge to enable the reactor to start quickly and gradually form granular sludge.

[0003] After searching, the publication number is CN216785831U, which discloses an anaerobic granular sludge dosing device for water treatment, including a base, a shock absorbing device and a bracket are provided on the right side of the base, and an electric diaphragm pump is installed on the shock absorbing device, a sludge tank is provided on the left side of the base, and the sludge outlet of the sludge tank is connected to the feed end of the electric diaphragm pump through a pipeline, a discharge pipe is provided at the discharge end of the electric diaphragm pump, a motor is provided on the top of the sludge tank, and a stirring shaft is provided in the sludge tank, and the output shaft of the motor passes through the top of the sludge tank and is connected to the stirring shaft.

[0004] In the process of realizing the utility model, the inventors found that at least the following problems in the prior art have not been solved: the granular sludge in the sludge tank is sucked by an electric diaphragm pump, and a stirring shaft is provided in the sludge tank to stir the sludge in the sludge tank, thereby ensuring the fluidity of the sludge. However, during use, the rotating stirring shaft will still cause the sludge particles to disperse.

[0005] Therefore, we propose an anaerobic granular sludge dosing device for water treatment, which can solve the above problems. Utility Model Content

[0006] The utility model aims to provide an anaerobic granular sludge dosing device for water treatment, which solves the problems raised in the background technology.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an anaerobic granular sludge dosing device for water treatment, comprising a sludge tank, a piston is slidably connected to the inside of the sludge tank, and also comprises an electro-hydraulic push rod, the telescopic end of the electro-hydraulic push rod penetrates the top inner wall of the sludge tank and is fixedly connected to the middle of the upper surface of the piston, a sewage guide pipe is fixedly installed in the middle of the inner wall of the bottom end of the sludge tank, a sewage suction pipe and a sewage discharge pipe are fixedly installed on both sides of the sewage guide pipe, the sewage discharge end of the sewage suction pipe and the sewage inlet end of the sewage discharge pipe are both connected to the sewage guide pipe, and valves are provided inside the sewage suction pipe and the sewage discharge pipe.

[0008] As an optional solution of the technical solution of the present application, a reference rod is vertically fixedly installed on one side of the upper surface of the piston, and the reference rod matches the size of the sludge tank.

[0009] As an optional solution of the technical solution of the present application, a slide groove is provided through the inner wall of the top end of the sludge tank, and the marking rod is slidably connected to the slide groove.

[0010] As an optional solution of the technical solution of the present application, the inner wall of the bottom end of the sludge tank is funnel-shaped, and the size of the sludge tank matches that of the piston.

[0011] As an optional solution of the technical solution of the present application, a sealing ring is bonded to the outer side of the piston, and the sealing ring is in contact with the inner wall of the sludge tank.

[0012] Compared with the prior art, the utility model has the following beneficial effects: through the combination of the electro-hydraulic push rod, the piston, the sewage pipe, the sewage suction pipe, the sewage discharge pipe and the valve, the electro-hydraulic push rod is controlled to work, and the piston can be driven to move up and down. When the piston moves upward, the anaerobic granular sludge in the sludge pool can be pumped into the sludge tank through the sewage suction pipe; when the piston moves downward, the anaerobic granular sludge in the sludge tank can be discharged through the sewage discharge pipe, thereby solving the problem of the existing anaerobic granular sludge dosing device being easy to disperse during the anaerobic granular sludge dosing process. Through the combination of the benchmark and the slide, the amount of sludge in the sludge tank can be detected, which is convenient for the staff to control the dosage of anaerobic granular sludge. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Other features, objects and advantages of the present invention will become more apparent by reading the detailed description of non-limiting embodiments with reference to the following drawings:

[0014] Figure 1 This is a schematic diagram of the structure of an anaerobic granular sludge dosing device for water treatment according to the utility model;

[0015] Figure 2 The utility model is a front view of an anaerobic granular sludge dosing device for water treatment.

[0016] In the figure: 1. sludge tank; 11. piston; 12. electro-hydraulic push rod; 13. sewage pipe; 14. sewage extraction pipe; 15. sewage discharge pipe; 16. valve; 17. sealing ring; 2. slide; 21. benchmark. DETAILED DESCRIPTION

[0017] See also Figure 1-Figure 2The utility model provides a technical solution: an anaerobic granular sludge dosing device for water treatment, comprising a sludge tank 1, a piston 11 is slidably connected inside the sludge tank 1, and also comprises an electro-hydraulic push rod 12, the telescopic end of the electro-hydraulic push rod 12 penetrates the top inner wall of the sludge tank 1 and is fixedly connected to the middle part of the upper surface of the piston 11, the bottom inner wall of the sludge tank 1 is funnel-shaped, the size of the sludge tank 1 matches that of the piston 11, a sewage guide pipe 13 is fixedly installed in the middle part of the bottom inner wall of the sludge tank 1, a sewage suction pipe 14 and a sewage discharge pipe 15 are fixedly installed on both sides of the sewage guide pipe 13, the sewage discharge end of the sewage suction pipe 14 and the sewage inlet end of the sewage discharge pipe 15 are both connected to the sewage guide pipe 13, and valves 16 are arranged inside the sewage suction pipe 14 and the sewage discharge pipe 15.

[0018] In this technical solution, the electro-hydraulic push rod 12 is controlled to work, which can drive the piston 11 to move up and down. When the piston 11 moves upward, the valve 16 inside the sewage pumping pipe 14 is opened, and the anaerobic granular sludge in the sludge pool can be pumped into the sludge tank 1 through the sewage pumping pipe 14. When the piston 11 moves downward, the valve 16 inside the sewage pumping pipe 14 is closed, and then the valve 16 inside the sewage discharge pipe 15 is opened, and the anaerobic granular sludge in the sludge tank 1 can be discharged through the sewage discharge pipe 15, thereby solving the problem of the existing anaerobic granular sludge dosing device that the anaerobic granular sludge is easily dispersed during the anaerobic granular sludge dosing process.

[0019] In this embodiment, a sealing ring 17 is bonded to the outer side of the piston 11 , and the sealing ring 17 is in contact with the inner wall of the sludge tank 1 .

[0020] In this technical solution, the sealing ring 17 on the outside of the piston 11 can improve the sealing performance of the connection between the piston 11 and the inner wall of the sludge tank 1, and when the piston 11 moves downward, the anaerobic granular sludge adhered to the inner wall of the sludge tank 1 can be automatically cleaned.

[0021] In this embodiment, a rod 21 is vertically fixedly installed on one side of the upper surface of the piston 11, a slide groove 2 is penetrated through the top inner wall of the sludge tank 1, and the rod 21 is slidably connected to the slide groove 2, and the size of the rod 21 matches that of the sludge tank 1.

[0022] In this technical solution, the rod 21 is slidably connected to the slide 2, and the piston 11 can drive the rod 21 to move up and down during the up and down movement, so that the amount of sludge in the sludge tank 1 can be detected, which makes it convenient for the staff to control the dosage of anaerobic granular sludge.

[0023] When the anaerobic granular sludge dosing device for water treatment is used, the sewage suction end of the sewage suction pipe 14 is connected to the bottom end of the sludge tank, and the electro-hydraulic push rod 12 is controlled to work, which can drive the piston 11 to move up and down. When the piston 11 moves upward, the valve 16 inside the sewage suction pipe 14 is opened, and the anaerobic granular sludge in the sludge tank can be pumped into the sludge tank 1 through the sewage suction pipe 14. When the piston 11 moves downward, the valve 16 inside the sewage suction pipe 14 is closed, and then the valve 16 inside the sewage discharge pipe 15 is opened, and the anaerobic granular sludge in the sludge tank 1 can be discharged through the sewage discharge pipe 15. The problem that the anaerobic granular sludge is easily dispersed during the addition process of the existing anaerobic granular sludge dosing device can be solved. The sealing ring 17 on the outside of the piston 11 can improve the connection sealing between the piston 11 and the inner wall of the sludge tank 1, and when the piston 11 moves downward, the anaerobic granular sludge adhering to the inner wall of the sludge tank 1 can be automatically cleaned. The reference rod 21 is slidably connected with the slide 2, and the reference rod 21 can be driven to move up and down during the up and down movement of the piston 11, so that the amount of sludge in the sludge tank 1 can be detected, which is convenient for the staff to control the dosage of the anaerobic granular sludge.

Claims

1. An anaerobic granular sludge dosing device for water treatment, comprising a sludge tank (1), wherein a piston (11) is slidably connected to the interior of the sludge tank (1), characterized in that: It also includes an electro-hydraulic push rod (12), the telescopic end of the electro-hydraulic push rod (12) penetrates the inner wall of the top end of the sludge tank (1) and is fixedly connected to the middle of the upper surface of the piston (11), and a sewage guide pipe (13) is fixedly installed in the middle of the inner wall of the bottom end of the sludge tank (1), and a sewage suction pipe (14) and a sewage discharge pipe (15) are respectively fixedly installed on both sides of the sewage guide pipe (13), the sewage discharge end of the sewage suction pipe (14) and the sewage inlet end of the sewage discharge pipe (15) are both connected to the sewage guide pipe (13), and valves (16) are provided inside the sewage suction pipe (14) and the sewage discharge pipe (15).

2. The anaerobic granular sludge dosing device for water treatment according to claim 1, characterized in that: A reference rod (21) is vertically fixedly mounted on one side of the upper surface of the piston (11), and the reference rod (21) matches the size of the sludge tank (1).

3. The anaerobic granular sludge dosing device for water treatment according to claim 2, characterized in that: A slide groove (2) is provided through the inner wall of the top end of the sludge tank (1), and the marking rod (21) is slidably connected to the slide groove (2).

4. The anaerobic granular sludge dosing device for water treatment according to claim 1, characterized in that: The inner wall of the bottom end of the sludge tank (1) is funnel-shaped, and the size of the sludge tank (1) matches that of the piston (11).

5. The anaerobic granular sludge dosing device for water treatment according to claim 1, characterized in that: A sealing ring (17) is bonded to the outer side of the piston (11), and the sealing ring (17) is in contact with the inner wall of the sludge tank (1).

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