Floating sludge cleaning device for secondary sedimentation tank

Abstract

The utility model discloses a float sludge cleaning device for a secondary sedimentation tank, which relates to the technical field of sewage treatment and comprises the secondary sedimentation tank and a sludge scraper device arranged above the secondary sedimentation tank, the sludge scraper device comprises a central support and a crossbeam, a submersible pump is arranged on the central support of the sludge scraper device, and the crossbeam is arranged on the submersible pump. The submersible pump is located below the surface liquid level of the secondary sedimentation tank, an outlet of the submersible pump is provided with an electromagnetic valve and a time relay, the mud scraper device further comprises a water outlet pipeline installed on the mud scraper device, and one end of the water outlet pipeline is connected with the electromagnetic valve. By arranging the cleaning device consisting of the submersible pump, the electromagnetic valve, the time relay, the water outlet pipeline and the water outlet, the cleaning device is arranged at the central bracket of the secondary sedimentation tank during use, can move along with a mud scraper device, cleans the surface and the periphery of the secondary sedimentation tank by utilizing purified water below the surface of the secondary sedimentation tank, and is simple in structure, convenient and rapid to install and high in cleaning efficiency. The frequency of stopping production and cleaning the secondary sedimentation tank is reduced, and the surface of the secondary sedimentation tank and the effluent overflow weir are kept clean.

Description

Technical Field

[0001] The utility model relates to the technical field of sewage treatment, in particular to a floating mud cleaning device for a secondary sedimentation tank. Background Art

[0002] During the operation of the secondary sedimentation tank process in a sewage treatment plant, there will be a small amount of floating mud on the surface of the secondary sedimentation tank, and more and more sludge and algae will remain around it. It is necessary to manually clean the secondary sedimentation tank, otherwise it will affect the water quality of the effluent. How to manage the secondary sedimentation tank is a key issue for sewage treatment plants.

[0003] In the prior art, the floating sludge on the surface of the secondary sedimentation tank is cleaned by a scraper, but the scraper may age, resulting in the floating sludge not being cleaned up; between the baffle and the outlet of the secondary sedimentation tank, sludge and algae are easily accumulated, but this part is generally not equipped with a cleaning device, so the utility model proposes a secondary sedimentation tank floating sludge cleaning device. Utility Model Content

[0004] Technical issues solved

[0005] The utility model aims to make up for the deficiencies of the prior art and provides a floating mud cleaning device for a secondary sedimentation tank.

[0006] Technical Solution

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a secondary sedimentation tank floating mud cleaning device, comprising a secondary sedimentation tank, a mud scraper device arranged above the secondary sedimentation tank, the mud scraper device comprising a central bracket and a beam, a submersible pump is arranged on the central bracket of the mud scraper device, the submersible pump is located below the surface liquid level of the secondary sedimentation tank, an outlet of the submersible pump is arranged with a solenoid valve and a time relay, and also comprises a water outlet pipeline installed on the mud scraper device, one end of the water outlet pipeline is connected with the solenoid valve, and a water outlet is arranged at every interval on the water outlet pipeline. A cleaning device composed of a submersible pump, a solenoid valve, a time relay, a water outlet pipeline and a water outlet is arranged. When in use, the cleaning device is installed at the central bracket of the secondary sedimentation tank, can move with the mud scraper device, and uses the clean water under the surface of the secondary sedimentation tank to clean the surface and the periphery of the secondary sedimentation tank. The structure is simple, and the installation is convenient and quick, which reduces the frequency of stopping production to clean the secondary sedimentation tank and keeps the surface of the secondary sedimentation tank and the water outlet overflow weir clean.

[0008] Preferably, the submersible pump is fixed under the central support, and the water outlet pipeline is fixedly installed on the beam.

[0009] Preferably, the submersible pump is located between 0.1m and 1m of the surface liquid level of the secondary sedimentation tank.

[0010] Preferably, the water outlets are spaced apart at a distance of 0.2 m to 1.5 m.

[0011] Preferably, the scraper device is movable on the secondary sedimentation tank.

[0012] Preferably, the central support and the beam are fixedly connected.

[0013] Beneficial effects:

[0014] Compared with the prior art, the secondary sedimentation tank floating mud cleaning device has the following beneficial effects:

[0015] The utility model is provided with a cleaning device composed of a submersible pump, a solenoid valve, a time relay, a water outlet pipeline and a water outlet. When in use, the cleaning device is installed at the central bracket of the secondary sedimentation tank and can move with the scraper device. The clean water under the surface of the secondary sedimentation tank is used to clean the surface and the periphery of the secondary sedimentation tank. The utility model has a simple structure and is convenient and quick to install. The frequency of stopping production to clean the secondary sedimentation tank is reduced, and the surface of the secondary sedimentation tank and the water outlet overflow weir are kept clean. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of the utility model;

[0017] Figure 2 It is a structural schematic diagram of the cleaning device of the utility model;

[0018] Figure 3 This is a diagram showing the arrangement of a mud scraper device according to the present invention.

[0019] In the figure:

[0020] 1. Secondary sedimentation tank; 2. Sludge scraper device; 201. Center bracket; 202. Beam; 3. Submersible pump; 4. Time relay; 5. Water outlet pipeline; 6. Water outlet; 7. Solenoid valve. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1 to Figure 3 As shown, the utility model provides a technical solution: a secondary sedimentation tank floating mud cleaning device, including a secondary sedimentation tank 1, and a scraper device 2 arranged above the secondary sedimentation tank 1. The scraper device 2 is a prior art, and the present application does not make detailed descriptions and improvements here. The scraper device 2 includes a central support 201 and a beam 202. The scraper device 2 can be moved on the secondary sedimentation tank 1, and the central support 201 and the beam 202 are fixedly connected.

[0023] A submersible pump 3 is arranged on the central bracket 201 of the scraper device 2. The submersible pump 3 is located below the surface liquid level of the secondary sedimentation tank 1. The outlet of the submersible pump 3 is provided with a solenoid valve 7 and a time relay 4. It also includes a water outlet pipeline 5 installed on the scraper device 2. One end of the water outlet pipeline 5 is connected to the solenoid valve 7. Water outlets 6 are arranged at intervals on the water outlet pipeline 5. The interval between the water outlets 6 is 0.2m-1.5m. A cleaning device consisting of a submersible pump 3, a solenoid valve 7, a time relay 4, a water outlet pipeline 5 and a water outlet 6 is arranged. When in use, the cleaning device is installed at the central bracket of the secondary sedimentation tank and can move with the scraper device 2. The surface and surrounding of the secondary sedimentation tank are cleaned with clean water under the surface of the secondary sedimentation tank. The structure is simple and the installation is convenient and quick. The frequency of stopping production to clean the secondary sedimentation tank is reduced, and the surface of the secondary sedimentation tank and the outlet overflow weir are kept clean.

[0024] Please pay attention to Figure 1 The submersible pump 3 is fixed under the central support 201 , the outlet pipeline 5 is fixedly installed on the beam 202 , and the submersible pump 3 is located between 0.1m and 1m of the surface liquid level of the secondary sedimentation tank 1 .

[0025] Working principle: A cleaning device consisting of a submersible pump 3, a solenoid valve 7, a time relay 4, a water outlet pipeline 5 and a water outlet 6 is set. When in use, the cleaning device is installed at the central bracket of the secondary sedimentation tank and can move with the scraper device 2. A solenoid valve and a time relay are set at the outlet of the submersible pump to control the running time of the submersible pump and control the intermittent operation of the device. A water outlet pipeline is set behind the solenoid valve and the scraper beam. A water outlet is set every 1 meter on the water outlet pipeline. The water outlet is used to clean the floating mud on the surface of the secondary sedimentation tank, and the outlet diameter is small; the end of the pipeline is aligned with the baffle and the water outlet overflow port. The outlet needs to clean the accumulated floating mud and algae, so the diameter can be appropriately enlarged to increase the water outlet force to achieve the purpose of cleaning stubborn algae.

[0026] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A secondary sedimentation tank floating mud cleaning device, comprising a secondary sedimentation tank (1), a mud scraper device (2) arranged above the secondary sedimentation tank (1), the mud scraper device (2) comprising a central support (201) and a beam (202), characterized in that: A submersible pump (3) is arranged on the central support (201) of the scraper device (2), and the submersible pump (3) is located below the surface liquid level of the secondary sedimentation tank (1). The outlet of the submersible pump (3) is provided with a solenoid valve (7) and a time relay (4). The submersible pump (3) also includes a water outlet pipeline (5) installed on the scraper device (2), one end of the water outlet pipeline (5) is connected to the solenoid valve (7), and water outlets (6) are arranged on the water outlet pipeline (5) at intervals.

2. A secondary sedimentation tank floating mud cleaning device according to claim 1, characterized in that: The submersible pump (3) is fixed below the central support (201), and the water outlet pipeline (5) is fixedly installed on the beam (202).

3. The floating mud cleaning device for a secondary sedimentation tank according to claim 1 is characterized in that: The submersible pump (3) is located between 0.1m and 1m on the surface liquid level of the secondary sedimentation tank (1).

4. A secondary sedimentation tank floating mud cleaning device according to claim 1, characterized in that: The water outlets (6) are spaced apart at a distance of 0.2 m to 1.5 m.

5. The floating mud cleaning device for a secondary sedimentation tank according to claim 1 is characterized in that: The mud machine device (2) can be moved on the secondary sedimentation tank (1).

6. The floating mud cleaning device for a secondary sedimentation tank according to claim 1 is characterized in that: The central support (201) and the beam (202) are fixedly connected.

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