A sewage flocculation and sedimentation device

Abstract

The utility model discloses a kind of for sewage flocculation precipitation device, it is related to sewage treatment field, including sedimentation tank, the side welding of sedimentation tank has sewage inlet pipe, the lower end fixedly connected with fixed sleeve of sedimentation tank, the one end of sewage inlet pipe is equipped with flow guide frame, the inner wall of flow guide frame is equipped with flow guide vane, the upper end welding of sedimentation tank has drainage channel.The utility model passes through setting flow guide vane and plays active role to drainage channel, flow guide vane and drainage channel are set at sewage inlet pipe one end, so that the water flow that enters forms spiral cyclone, in cyclone process, flocculation body is under the joint action of centrifugal force and gravity, to sedimentation tank wall surface moves and gradually settles to bottom, while the vortex generated by cyclone can also promote small flocculation body mutual collision and combination, increase volume, accelerate settlement, applicable to the sewage containing more suspended particles, and sedimentation time can be shortened.

Description

Technical Field

[0001] This utility model relates to the field of wastewater treatment, specifically to a wastewater flocculation and sedimentation device. Background Technology

[0002] With the continuous advancement of industrialization and urbanization, the volume of sewage discharge is increasing daily. The large amount of suspended solids and dissolved substances in sewage affects water quality and increases the difficulty of water pollution control. Therefore, measures such as sedimentation are needed to ensure water quality and the sustainable use of water resources. Sewage flocculation sedimentation devices mainly remove suspended solids, particulate matter, and some dissolved substances from sewage through flocculation and sedimentation processes, achieving water purification. This technology is widely used in sewage treatment plants, industrial wastewater treatment, and domestic sewage treatment, and is an indispensable part of sewage treatment. Therefore, a sewage flocculation sedimentation device is needed.

[0003] Existing wastewater flocculation and sedimentation devices rely primarily on natural sedimentation during operation. This results in slow sedimentation rates, small flocs with low particle size and density, leading to extremely slow settling speeds under gravity, far slower than those of large flocs. Due to the lack of auxiliary methods to enhance sedimentation, small flocs require an even longer time to reach the bottom of the tank, forcing a prolonged hydraulic retention time and resulting in low treatment efficiency. Therefore, there is an urgent need for a wastewater flocculation and sedimentation device. Utility Model Content

[0004] Based on this, the purpose of this utility model is to provide a wastewater flocculation sedimentation device to solve the problem that existing wastewater flocculation sedimentation devices mainly rely on natural sedimentation, which results in slow sedimentation speed. Small flocs have small particle size and low density, and their settling speed under gravity is extremely slow, much slower than that of large flocs. Due to the lack of auxiliary means to enhance sedimentation, small flocs need a longer time to reach the bottom of the tank, which forces the hydraulic retention time of the sedimentation tank to be extended, resulting in low treatment efficiency.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a sewage flocculation and sedimentation device, comprising a sedimentation tank, a sewage inlet pipe welded to one side of the sedimentation tank, a fixing sleeve fixedly connected to the lower end of the sedimentation tank, a guide frame installed at one end of the sewage inlet pipe, and guide blades installed on the inner wall of the guide frame.

[0006] The sedimentation tank is welded to the upper end with a drainage channel, and ferrite magnetic particles are arranged inside the sedimentation tank. Magnetic plates are installed on the inner wall of the sedimentation tank.

[0007] Preferably, the sedimentation tank is threadedly connected to the fixing sleeve, and the inner wall of the fixing sleeve is threaded.

[0008] Preferably, the guide frame is movably connected to the guide vanes, and the guide vanes are arranged in a ring array on the inner wall of the guide frame.

[0009] Preferably, the drainage channels are arranged at equal intervals on the inner wall of the sedimentation tank, and the inner wall of the drainage channels is designed with openings.

[0010] Preferably, the sedimentation tank is engaged with the magnetic plate, and the magnetic plate is configured in a funnel shape.

[0011] Compared with the prior art, the beneficial effects of this utility model are:

[0012] This invention uses guide vanes to activate the drainage channel. The guide vanes and the drainage channel are set at one end of the sewage inlet pipe, so that the incoming water flow forms a spiral vortex. During the vortex process, the flocs move towards the sedimentation tank wall under the combined action of centrifugal force and gravity and gradually settle to the bottom. At the same time, the eddies generated by the vortex can also promote the small flocs to collide and combine with each other, increase their volume, and accelerate the settling. It is suitable for treating sewage containing a lot of suspended particles and the sedimentation time can be shortened.

[0013] This invention uses a sedimentation tank to lock and fix the magnetic plate. When using the device, the surface of the ferrite magnetic particles has active groups that can adsorb flocculants and pollutants to form magnetic composite flocs. The magnetic plate at the bottom of the sedimentation tank uses magnetic force to attract the magnetic composite flocs to settle quickly. The settled ferrite magnetic particles can be recovered and reused through magnetic separation, reducing treatment costs. It is suitable for treating wastewater with fine particles that are difficult to settle and increases sedimentation efficiency. Attached Figure Description

[0014] Figure 1 This is a perspective view of the present utility model;

[0015] Figure 2 This is a schematic diagram of the structure of this utility model from a vertical sectional view;

[0016] Figure 3 This utility model Figure 1 Enlarged structural diagram of section A in the middle;

[0017] Figure 4 This utility model Figure 2 Enlarged structural diagram of section B.

[0018] In the diagram: 1. Sedimentation tank; 2. Sewage inlet pipe; 3. Fixing sleeve; 4. Guide frame; 5. Guide vane; 6. Drainage ditch; 7. Ferrite magnetic particles; 8. Magnetic plate. Detailed Implementation

[0019] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and should not be construed as limiting the present invention.

[0020] The embodiments of this utility model will be described below based on its overall structure.

[0021] Please see Figure 1-4 A wastewater flocculation and sedimentation device includes a sedimentation tank 1, a wastewater inlet pipe 2 welded to one side of the sedimentation tank 1, a fixing sleeve 3 fixedly connected to the lower end of the sedimentation tank 1, the sedimentation tank 1 and the fixing sleeve 3 being threadedly connected, and the inner wall of the fixing sleeve 3 being threaded. A guide frame 4 is installed at one end of the wastewater inlet pipe 2, and guide vanes 5 are installed on the inner wall of the guide frame 4. The guide frame 4 and the guide vanes 5 are movably connected, and the guide vanes 5 are arranged in a ring array on the inner wall of the guide frame 4. The guide vanes 5 act as a guide for the drainage channel 6. The guide vanes 5 and the drainage channel 6 are located at one end of the wastewater inlet pipe 2, so that the incoming water flow forms a spiral vortex. During the vortex process, the flocs move towards the wall of the sedimentation tank 1 under the combined action of centrifugal force and gravity and gradually settle to the bottom. At the same time, the eddies generated by the vortex can also promote the small flocs to collide and combine with each other, increase their volume, and accelerate sedimentation. It is suitable for treating wastewater containing a lot of suspended particles, and the sedimentation time can be shortened.

[0022] Please see Figure 1-4 A wastewater flocculation and sedimentation device is disclosed. A drainage channel 6 is welded to the upper end of a sedimentation tank 1. The drainage channel 6 is evenly spaced along the inner wall of the sedimentation tank 1, and its inner wall is designed with openings. Ferrite magnetic particles 7 are disposed inside the sedimentation tank 1, and a magnetic plate 8 is installed on the inner wall of the sedimentation tank 1. The sedimentation tank 1 and the magnetic plate 8 are interlocked, and the magnetic plate 8 has a funnel-shaped structure. The sedimentation tank 1 serves to interlock and fix the magnetic plate 8. During device use, the surface of the ferrite magnetic particles 7 has active groups that can adsorb flocculants and pollutants, forming magnetic composite flocs. The magnetic plate 8 is located at the bottom of the sedimentation tank 1, and magnetic force is used to attract the magnetic composite flocs to settle rapidly. The settled ferrite magnetic particles 7 can be recovered and reused through magnetic separation, reducing treatment costs. This device is suitable for treating wastewater with difficult-to-settle fine particles and improves sedimentation efficiency.

[0023] Working principle: In use, the sedimentation tank 1 is taken out and installed in the designated position. The sedimentation tank 1 is threaded to the fixing sleeve 3, and the sewage inlet pipe 2 is fixed to the guide frame 4. Sewage is injected into the sedimentation tank 1 from the sewage inlet pipe 2, which drives the guide vanes 5 to rotate, so that the guide vanes 5 form a spiral flow for the sewage. Ferrite magnetic particles 7 are introduced into the sedimentation tank 1, and the ferrite magnetic particles 7 combine with flocculation. The magnetic plate 8 attracts the magnetic composite flocculants to settle quickly. Finally, the settled water flows into the opening of the drainage channel 6 for discharge. This completes the use of the device. The contents not described in detail in this manual are existing technologies known to those skilled in the art.

[0024] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A wastewater flocculation and sedimentation device, comprising a sedimentation tank (1), characterized in that: A sewage inlet pipe (2) is welded to one side of the sedimentation tank (1), a fixed sleeve (3) is fixedly connected to the lower end of the sedimentation tank (1), a guide frame (4) is installed at one end of the sewage inlet pipe (2), and guide vanes (5) are installed on the inner wall of the guide frame (4). The sedimentation tank (1) is welded with a drainage channel (6) at the upper end, and ferrite magnetic particles (7) are arranged inside the sedimentation tank (1). A magnetic plate (8) is installed on the inner wall of the sedimentation tank (1).

2. The wastewater flocculation and sedimentation device according to claim 1, characterized in that: The sedimentation tank (1) is threadedly connected to the fixed sleeve (3), and the inner wall of the fixed sleeve (3) is threaded.

3. The wastewater flocculation and sedimentation device according to claim 1, characterized in that: The guide frame (4) is movably connected to the guide blades (5), and the guide blades (5) are arranged in a ring array on the inner wall of the guide frame (4).

4. The wastewater flocculation and sedimentation device according to claim 1, characterized in that: The drainage channel (6) is arranged at equal intervals on the inner wall of the sedimentation tank (1), and the inner wall of the drainage channel (6) is designed with openings.

5. A wastewater flocculation and sedimentation device according to claim 1, characterized in that: The sedimentation tank (1) is engaged with the magnetic plate (8), and the magnetic plate (8) is configured in a funnel shape.

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