A sedimentation tank for sewage treatment

Abstract

The utility model discloses a kind of sedimentation tanks for sewage treatment, including pool body, the water inlet side of pool body is equipped with mixing tank, pool body other side is equipped with overflow, be equipped with inclined plate mechanism in pool body;Water inlet pipe and dosing pipe are equipped on the mixing tank, the side of mixing tank close to pool body is equipped with the stirring tank of semicylindrical shape, stirring tank is equipped with stirring assembly, for mixing reagent and water body;Pool body bottom is equipped with material guide slope, sewage outlet is installed through on the lower side of material guide slope corresponding pool body side wall, overflow is arranged at the higher side of material guide slope, overflow outside is connected with overflow tank, water outlet is opened on overflow tank. The utility model design is novel, structure is simple, very good improve the sedimentation effect of particulate matter in sewage, and guarantee the sedimentation efficiency, and have sustained operation ability, guarantee good sewage sedimentation treatment effect.

Description

Technical Field

[0001] This utility model relates to the field of water treatment technology, and in particular to a sedimentation tank for sewage treatment. Background Technology

[0002] A sedimentation tank is a structure that uses sedimentation to remove suspended solids from water, thus purifying the water. It utilizes the natural sedimentation or coagulation process to remove suspended solids. To ensure effective settling of particles in wastewater, a sedimentation tank with a relatively large surface area is generally required.

[0003] In smaller sedimentation tanks, the sediment in the wastewater is difficult to mix evenly with flocculants and other chemicals, which affects the sedimentation effect of small sedimentation tanks on particulate matter in wastewater and makes it difficult to ensure sufficient sedimentation of particulate matter in wastewater. Utility Model Content

[0004] The purpose of this invention is to address the shortcomings of existing small sedimentation tanks, which have limited sedimentation effects on particulate matter in wastewater and make it difficult to ensure sufficient sedimentation of particulate matter in wastewater. Therefore, this invention proposes a sedimentation tank for wastewater treatment.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] A sedimentation tank for wastewater treatment includes a tank body, a mixing tank on the water inlet side of the tank body, an overflow outlet on the other side of the tank body, and an inclined plate mechanism in the tank body.

[0007] The mixing tank is equipped with a water inlet pipe and a chemical dosing pipe. A semi-cylindrical stirring tank is provided on one side of the mixing tank near the tank body. The stirring tank is equipped with a stirring component for mixing the chemical with the water.

[0008] The bottom of the pool is provided with a material guiding slope, and a sewage outlet is installed on the side wall of the pool corresponding to the lower side of the material guiding slope. The overflow outlet is arranged on the higher side of the material guiding slope, and an overflow trough is connected to the outside of the overflow outlet. A water outlet is opened on the overflow trough.

[0009] Preferably, the stirring assembly includes a rotating shaft coaxially arranged with the stirring tank and a plurality of actuating plates arranged along the axis on the annular sidewall of the rotating shaft. One end of the rotating shaft extends out of the sidewall of the mixing tank and is connected to the output end of the motor.

[0010] More preferably, the actuating plate is provided with water-permeable holes.

[0011] More preferably, the water inlet pipe is installed through the side wall of the mixing tank and is arranged parallel to the rotating shaft, and the dosing pipe is installed vertically through the top wall of the mixing tank on the side near the water inlet pipe.

[0012] Preferably, a baffle plate is vertically installed in the pool body, and the baffle plate is located between the mixing pool and the overflow port.

[0013] More preferably, the inclined plate mechanism includes a support frame disposed between the baffle plate and the mixing tank in the pool body, a plurality of inclined plate boxes disposed on the support frame, and inclined plates evenly disposed in the inclined plate boxes.

[0014] Compared with the prior art, the beneficial effects of this utility model are:

[0015] 1. In this utility model, the design of the mixing tank enables the effective mixing of wastewater and chemicals, thereby improving the flocculation and sedimentation effect of wastewater and ensuring sufficient sedimentation of particulate matter in the wastewater.

[0016] 2. In this utility model, the design of the inclined plate mechanism reduces the settling distance, increases the settling area, and improves the settling effect. Combined with the baffle plate, it prevents sewage from flowing directly to the overflow outlet, ensuring that all outgoing water is fully treated.

[0017] 3. In this utility model, the design of the guide slope facilitates the flow of accumulated sludge to the discharge outlet, reducing the water content of the sludge. Combined with the design of the baffle plate and the inclined plate, it prevents the sludge at the bottom of the pool from being washed up by the water flow, ensuring the sedimentation effect.

[0018] This utility model features a novel design and simple structure, effectively improving the settling effect of particulate matter in wastewater, ensuring sedimentation efficiency, and possessing continuous operation capability, thus guaranteeing excellent wastewater sedimentation treatment results. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the appearance structure of this utility model.

[0020] Figure 2 This is a bottom view of the structure of this utility model.

[0021] Figure 3 This is a cross-sectional structural diagram of the present invention.

[0022] Figure 4 This is a schematic diagram of the internal structure of the mixing tank of this utility model.

[0023] Figure 5 This is a schematic diagram of the stirring assembly structure of this utility model.

[0024] Figure 6 This is a schematic diagram of the inclined plate mechanism of this utility model.

[0025] In the diagram: 1. Tank body, 11. Material guide ramp, 12. Sewage outlet, 13. Overflow outlet, 2. Mixing tank, 21. Water inlet pipe, 22. Dosing pipe, 23. Mixing tank, 24. Mixing assembly, 241. Rotating shaft, 242. Motor, 243. Actuating plate, 244. Water permeable hole, 3. Inclined plate mechanism, 31. Support frame, 32. Inclined plate box, 33. Inclined plate, 4. Water baffle, 5. Overflow trough, 51. Detailed Implementation

[0026] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0027] Reference Figure 1-6 A sedimentation tank for wastewater treatment includes a tank body 1, a mixing tank 2 on the inlet side of the tank body 1, an overflow outlet 13 on the other side of the tank body 1, and an inclined plate mechanism 3 within the tank body 1. The mixing tank 2 mixes wastewater with flocculants and other agents to improve the sedimentation effect of the wastewater. The inclined plate mechanism 3 shortens the settling distance of particles, thereby improving sedimentation efficiency.

[0028] The mixing tank 2 is equipped with an inlet pipe 21 and a dosing pipe 22. A semi-cylindrical stirring tank 23 is provided on the side of the mixing tank 2 near the tank body 1. The stirring tank 23 is equipped with a stirring component 24 for mixing the agent with the water. The wastewater to be treated is sent in through the inlet pipe 21, and the agent is sent into the wastewater through the dosing pipe 22. The agent and the wastewater are mixed together with the stirring component 24 in the stirring tank 23 to improve the sedimentation treatment effect of the wastewater.

[0029] The bottom of the tank body 1 is provided with a guide slope 11. A sludge outlet 12 is installed on the side wall of the tank body 1 corresponding to the lower side of the guide slope 11. An overflow outlet 13 is arranged on the higher side of the guide slope 11. An overflow trough 5 is connected to the outside of the overflow outlet 13, and a water outlet 51 is opened on the overflow trough 5. The guide slope 11 facilitates the movement of the settled sludge towards the sludge outlet 12, which is convenient for sludge discharge and reduces the water content of the discharged sludge. The outside of the sludge outlet 12 can be connected to a sludge dryer for subsequent sludge treatment. The design of the overflow outlet 13 facilitates the outflow of water after sedimentation treatment, ensuring continuous treatment effect.

[0030] Based on the above technical solution, when treating wastewater through sedimentation, wastewater is fed into the mixing tank 2 through the inlet pipe 21, and the dosing pipe 22 is used to feed the agent into the wastewater for mixing. The mixing is also carried out with the stirring component 24 to improve the flocculation effect of the particles in the wastewater. The flocculated particles settle through the inclined plate mechanism 3, increasing the sedimentation area and improving the sedimentation efficiency. The water after sedimentation treatment flows out through the overflow port 13 and is discharged through the outlet 51, ensuring good sedimentation efficiency and continuous operation capability.

[0031] In this technical solution, such as Figure 1-6 As shown, the stirring assembly 24 includes a rotating shaft 241 coaxially arranged with the stirring tank 23 and multiple actuating plates 243 arranged along the axis on the annular sidewall of the rotating shaft 241. One end of the rotating shaft 241 extends out of the sidewall of the mixing tank 2 and is connected to the output end of the motor 242. The motor 242 drives the rotating shaft 241 to rotate, and the actuating plates 243 on the rotating shaft 241 agitate the sewage to improve the mixing effect of sewage and chemicals. At the same time, the sewage is also agitated to enter the tank 1 to ensure a stable and continuous supply of sewage and to ensure the continuous treatment capacity of sewage.

[0032] In this technical solution, such as Figure 1-6 As shown, the actuating plate 243 is provided with water-permeable holes 244. The design of the water-permeable holes 244 reduces the resistance when multiple actuating plates 243 divert water, ensuring the stable rotation of the rotating shaft 241 and the actuating plates 243, and also improves the mixing effect of sewage and chemicals by turbulence.

[0033] In this technical solution, such as Figure 1-6 As shown, the inlet pipe 21 is installed through the side wall of the mixing tank 2 and parallel to the rotating shaft 241, while the dosing pipe 22 is installed vertically through the top wall of the mixing tank 2 near the inlet pipe 21. The inlet pipe 21, parallel to the rotating shaft 241, ensures the spray distance when wastewater is introduced. Combined with the chemicals delivered by the dosing pipe 22, this disperses the wastewater, improves the mixing effect with the chemicals, prevents wastewater from accumulating on one side of the mixing tank 2, and ensures thorough mixing of wastewater and chemicals.

[0034] In this technical solution, such as Figure 1-6 As shown, a baffle plate 4 is vertically installed in the pool body 1, and the baffle plate 4 is located between the mixing tank 2 and the overflow port 13. The design of the baffle plate 4 can prevent the sewage sent in through the mixing tank 2 from flowing directly to the overflow port 13, ensuring that the water sent out is fully treated and ensuring the treatment effect of the sedimentation tank.

[0035] In this technical solution, such as Figure 1-6 As shown, the inclined plate mechanism 3 includes a support frame 31 disposed between the baffle plate 4 and the mixing tank 2 in the tank body 1, multiple inclined plate boxes 32 disposed on the support frame 31, and inclined plates 33 evenly disposed in the inclined plate boxes 32. The design of the inclined plate boxes 32 facilitates the maintenance of the inclined plate mechanism 3 and also facilitates the replacement of the inclined plates 33 according to different types of sewage treatment needs.

[0036] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A sedimentation tank for wastewater treatment, comprising a tank body (1), characterized in that, The pool body (1) has a mixing tank (2) on the water inlet side and an overflow port (13) on the other side. The pool body (1) is equipped with an inclined plate mechanism (3). The mixing tank (2) is equipped with an inlet pipe (21) and a dosing pipe (22). A semi-cylindrical stirring tank (23) is provided on the side of the mixing tank (2) near the tank body (1). A stirring component (24) is provided in the stirring tank (23) for mixing the agent with the water. The bottom of the pool body (1) is provided with a material guiding slope (11). A sewage outlet (12) is installed on the side wall of the pool body (1) corresponding to the lower side of the material guiding slope (11). An overflow outlet (13) is arranged on the higher side of the material guiding slope (11). An overflow trough (5) is connected to the outside of the overflow outlet (13). A water outlet (51) is opened on the overflow trough (5).

2. The sedimentation tank for wastewater treatment according to claim 1, characterized in that, The stirring assembly (24) includes a rotating shaft (241) coaxially arranged with the stirring tank (23) and a plurality of actuating plates (243) arranged along the axis on the annular sidewall of the rotating shaft (241). One end of the rotating shaft (241) extends out of the sidewall of the mixing tank (2) and is connected to the output end of the motor (242).

3. A sedimentation tank for wastewater treatment according to claim 2, characterized in that, The actuating plate (243) is provided with water-permeable holes (244).

4. A sedimentation tank for wastewater treatment according to claim 2, characterized in that, The water inlet pipe (21) is installed through the side wall of the mixing tank (2) and is parallel to the rotating shaft (241). The dosing pipe (22) is installed vertically through the top wall of the mixing tank (2) on the side near the water inlet pipe (21).

5. A sedimentation tank for wastewater treatment according to claim 1, characterized in that, A baffle plate (4) is vertically installed in the pool body (1), and the baffle plate (4) is located between the mixing pool (2) and the overflow port (13).

6. A sedimentation tank for wastewater treatment according to claim 5, characterized in that, The inclined plate mechanism (3) includes a support frame (31) set between the baffle plate (4) and the mixing tank (2) in the pool body (1), multiple inclined plate boxes (32) set on the support frame (31), and inclined plates (33) evenly arranged in the inclined plate boxes (32).

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