Efficient sedimentation tank for sewage treatment

Abstract

The utility model provides an efficient sedimentation tank for sewage treatment, which comprises a tank body, a sedimentation area is arranged at the bottom of the tank body, a sludge discharge pipe is arranged on the outer side of the sedimentation area, a water discharge pipe is arranged on one side of the tank body, a mixing cylinder is fixedly connected to one side of the tank body, a one-way valve is arranged on the mixing cylinder, and a water outlet pipe is arranged on the other side of the tank body. Compared with the prior art, the sewage treatment device has the advantages that a flocculating agent is added into the material box and falls into the material mixing wheel through the discharging opening, the material mixing wheel rotates under the impact of sewage, and the sewage and the flocculating agent flow into the spiral disc together, rotationally flow on the spiral disc and finally flow into the tank body to be settled. A flocculating agent and sewage fall into the spiral disc together, so that the flocculating agent and the sewage are conveniently mixed. Sewage and a flocculating agent rotate and flow on the spiral disc, so that the sewage and the flocculating agent have enough contact and mixing space, and the mixing effect is effectively ensured. The sewage is mixed with the flocculating agent when entering the tank body, so that the sewage in the tank body does not need to be stirred, and the precipitation work can be quickly carried out.

Description

Technical Field

[0001] The utility model relates to the technical field of sedimentation tanks, in particular to a high-efficiency sedimentation tank for sewage treatment. Background Art

[0002] Sedimentation tanks are an important facility widely used in the water treatment industry, primarily used to remove suspended matter from water and improve water quality. Sedimentation tanks utilize the principle of gravity to settle suspended matter in the water, thereby purifying the water.

[0003] To improve sedimentation, flocculants are often added to wastewater to promote the aggregation of tiny particles suspended in the water, forming larger flocs or clumps, thereby accelerating sedimentation. However, flocculants require full integration with the wastewater to achieve their maximum effect. Using a stirring assembly to tumble the wastewater can promote this integration, but this tumbling of the wastewater can also affect the sedimentation rate and efficiency. Therefore, a high-efficiency sedimentation tank for wastewater treatment is proposed as an improvement. Utility Model Content

[0004] The purpose of the present invention is to solve at least one of the above technical deficiencies.

[0005] Therefore, one purpose of the present invention is to provide a high-efficiency sedimentation tank for sewage treatment to solve the problems mentioned in the background technology and overcome the shortcomings of the existing technology.

[0006] In order to achieve the above-mentioned purpose, an embodiment of one aspect of the present invention provides a high-efficiency sedimentation tank for sewage treatment, including a tank body, a sedimentation area is provided at the bottom of the tank body, a mud discharge pipe is provided on the outside of the sedimentation area, a drainage pipe is provided on one side of the tank body, a mixing barrel is fixedly connected to one side of the tank body, a one-way valve is provided on the mixing barrel, a spiral disk is fixedly connected inside the mixing barrel, a mixing box is fixedly connected to the top of the mixing barrel, a mixing wheel is rotatably connected inside the mixing box, a water inlet pipe is fixedly connected to one side of the top of the mixing box, a material box is fixedly connected to the other side of the top of the mixing box, a discharge port is provided between the material box and the mixing box, and a box cover is provided on the top of the material box.

[0007] Preferably, any of the above schemes is provided with a plurality of partitions in the sedimentation area, and there are a plurality of mud discharge pipes on which mud discharge pumps are provided.

[0008] Preferably, any of the above solutions is provided with an inclined plate / inclined tube filler in the middle of the tank body, and the drain pipe is provided above the inclined plate / inclined tube filler.

[0009] The above technical solution: The tank body provides space for sedimentation, with a certain area to allow the sewage within to settle quickly. A sedimentation area is set at the bottom of the tank body to accommodate sediment in the sewage. Several partitions are installed in the sedimentation area to collect sludge in different areas. Sludge discharge pipes are used to discharge sludge from the sedimentation area. Several sludge discharge pipes are arranged on the tank body to facilitate the removal of sludge, sediment, etc. from the tank body. A drain pipe is installed on one side of the tank body to drain the clean water from the upper part of the tank body. Inclined plate / inclined tube packing is installed in the tank body. The inclined plate / inclined tube packing can increase the sedimentation rate by utilizing the shallow tank theory.

[0010] Preferably, from any of the above solutions, the mixing cylinder adopts an L-shaped structure, and the mixing cylinder is connected to the middle of the tank body.

[0011] Preferably, from any of the above solutions, the interior of the mixing box adopts a cylindrical structure, and the mixing wheel is rotatably connected to the middle position of the mixing box.

[0012] The above technical solution adopts the following: the mixing drum is used to provide installation space for the spiral disk and space for mixing sewage and flocculant. A one-way valve is installed on it to prevent water from the tank from flowing back into the mixing drum. The mixing drum adopts an L-shaped structure, which provides conditions for vertical installation of the spiral disk. Sewage and flocculant flow on the spiral disk, promoting their full combination. The mixing box provides installation space for the mixing wheel. Its cylindrical structure facilitates the installation and rotation of the mixing wheel. The mixing wheel contains several wheel blades, which, together with the mixing box, can form several independent chambers to provide space for the flocculant and sewage.

[0013] Preferably, from any of the above solutions, the water inlet pipe adopts an L-shaped structure, and the end of the water inlet pipe is fixedly connected with a connecting flange.

[0014] Preferably, from any of the above solutions, the bottom surface of the material box is an inclined surface, and the box cover is rotatably connected to the material box.

[0015] Using this technical solution, the mixing wheel rotates under external force, mixing a quantitative amount of flocculant and sewage. The water inlet pipe is used to supply sewage into the mixing box. It features an L-shaped structure with a connecting flange at the end for easy connection to an external water pipeline. The material box provides storage for the flocculant. A discharge port is located at the bottom of the box, allowing the flocculant to flow into the mixing wheel. A lid is installed at the top of the box to shield the box from dust and prevent it from entering. The lid is rotatably connected to the box, making it easy for staff to open and close it.

[0016] Compared with the prior art, the advantages and beneficial effects of the present invention are as follows:

[0017] This high-efficiency sedimentation tank for sewage treatment features a mixing drum, spiral disc, mixing box, mixing wheel, feed tank, and discharge port. During sedimentation, sewage is introduced into the inlet pipe, flocculant is added to the feed tank, and the flocculant falls through the discharge port into the mixing wheel. The impact of the sewage causes the mixing wheel to rotate, causing the sewage and flocculant to flow into the spiral disc, where they rotate and flow around before finally entering the tank body for sedimentation. The flocculant and sewage fall together into the spiral disc, facilitating mixing. The rotation of the sewage and flocculant on the spiral disc ensures ample contact and mixing, effectively ensuring effective mixing. The sewage is already mixed with the flocculant before entering the tank body, eliminating the need for further agitation of the sewage within the tank body and facilitating rapid sedimentation.

[0018] 2. This high-efficiency sedimentation tank for sewage treatment utilizes inclined plate / tube packing within the tank body. These packing utilizes shallow pond theory to increase sedimentation speed, thereby improving sedimentation efficiency. A one-way valve is installed on the mixing drum to prevent water from flowing back into the mixing drum. A lid is installed on top of the tank to shield the tank from dust. The lid is rotatably connected to the tank, making it easy for staff to open and close it.

[0019] Additional aspects and advantages of the present invention will be given in part in the following description and in part will become apparent from the following description or learned through practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The above and / or additional aspects and advantages of the present invention will become apparent and readily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0021] Figure 1 This is a schematic structural diagram of the utility model from a first perspective;

[0022] Figure 2 This is a schematic diagram of the structure of the utility model from a second perspective;

[0023] Figure 3 This is a schematic diagram of the cutaway structure of the present utility model;

[0024] Figure 4 It is a structural schematic diagram of the mixing box of the present utility model.

[0025] In the figure: 1-tank body, 2-sedimentation area, 3-sludge discharge pipe, 4-drainage pipe, 5-inclined plate / inclined tube filler, 6-mixing cylinder, 7-check valve, 8-spiral disk, 9-mixing box, 10-mixing wheel, 11-water inlet pipe, 12-material box, 13-discharge port, 14-box cover. DETAILED DESCRIPTION

[0026] The following describes in detail embodiments of the present invention, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to explain the present invention, and should not be construed as limiting the present invention.

[0027] In this utility model, unless otherwise specified or limited, the terms "installed," "connected," "connect," "fixed," etc. should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integral connection; mechanical connection or electrical connection; direct connection or indirect connection through an intermediate medium; and internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on specific circumstances.

[0028] like Figures 1 to 4 As shown, the utility model includes a pool body 1, a sedimentation area 2 is provided at the bottom of the pool body 1, a mud discharge pipe 3 is provided on the outside of the sedimentation area 2, a drainage pipe 4 is provided on one side of the pool body 1, a mixing barrel 6 is fixedly connected to one side of the pool body 1, a one-way valve 7 is provided on the mixing barrel 6, a spiral disk 8 is fixedly connected inside the mixing barrel 6, a mixing box 9 is fixedly connected to the top of the mixing barrel 6, a mixing wheel 10 is rotatably connected inside the mixing box 9, a water inlet pipe 11 is fixedly connected to one side of the top of the mixing box 9, a material box 12 is fixedly connected to the other side of the top of the mixing box 9, a discharge port 13 is provided between the material box 12 and the mixing box 9, and a box cover 14 is provided on the top of the material box 12.

[0029] Example 1: Several baffles are provided in the sedimentation zone 2, and there are several sludge discharge pipes 3 with sludge pumps installed on them. An inclined plate / inclined tube filler 5 is provided in the middle of the tank body 1, and a drain pipe 4 is provided above the inclined plate / inclined tube filler 5. The tank body 1 provides space for sedimentation and has a certain area so that the sewage therein can settle quickly. A sedimentation zone 2 is provided at the bottom of the tank body 1 to accommodate sediment in the sewage. Several baffles are provided in the sedimentation zone 2 to collect sludge in different areas. The sludge discharge pipe 3 is used to discharge the sludge in the sedimentation zone 2. Several sludge discharge pipes 3 are arranged on the tank body 1 to facilitate the discharge of sludge, sediment, etc. in the tank body 1. A drain pipe 4 is provided on one side of the tank body 1 to discharge the clean water from the upper part of the tank body 1. An inclined plate / inclined tube filler 5 is provided in the tank body 1. The inclined plate / inclined tube filler 5 can increase the sedimentation rate using the shallow tank theory.

[0030] Example 2: The mixing drum 6 adopts an L-shaped structure, and the mixing drum 6 is connected to the middle of the pool body 1. The interior of the mixing box 9 adopts a cylindrical structure, and the mixing wheel 10 is rotatably connected to the middle position of the mixing box 9. The mixing drum 6 is used to provide an installation space for the spiral disk 8 and provide space for mixing sewage and flocculant. A one-way valve 7 is provided on it to prevent the water in the pool body 1 from flowing back into the mixing drum 6. The mixing drum 6 adopts an L-shaped structure, which provides conditions for vertical installation of the spiral disk 8. Sewage and flocculant flow on the spiral disk 8, promoting the full combination of the two. The mixing box 9 provides an installation space for the mixing wheel 10, which adopts a cylindrical structure to facilitate the installation and rotation of the mixing wheel 10. The mixing wheel 10 includes a plurality of wheel pieces, which can form a plurality of independent spaces in conjunction with the mixing box 9 to provide accommodation space for flocculants and sewage.

[0031] Example 3: The water inlet pipe 11 adopts an L-shaped structure, and the end of the water inlet pipe 11 is fixedly connected to a connecting flange. The bottom surface of the material box 12 adopts an inclined surface, and the box cover 14 is rotatably connected to the material box 12. The mixing wheel 10 can rotate under the action of an external force and quantitatively mix the flocculant and sewage. The water inlet pipe 11 is used to input sewage into the mixing box 9. It adopts an L-shaped structure, and a connecting flange is provided at the end to facilitate its connection to the external water supply pipeline. The material box 12 provides storage space for the flocculant. A discharge port 13 is provided at the bottom of the material box 12 to allow the flocculant to flow into the mixing wheel 10. A box cover 14 is provided on the top of the material box 12. The box cover 14 can cover the material box 12 and prevent external dust from falling into the material box 12. The box cover 14 is rotatably connected to the material box 12, making it convenient for staff to open and close the box cover 14.

[0032] The working principle of this utility model is as follows:

[0033] S1. Sewage is introduced into the water inlet pipe 11, and flocculant is added into the material box 12. The flocculant falls into the mixing wheel 10 through the discharge port 13;

[0034] S2. Under the impact of sewage, the mixing wheel 10 rotates, and the sewage and flocculant flow into the spiral disk 8 together, rotate and flow on the spiral disk 8, and finally flow into the tank body 1 for sedimentation;

[0035] S3: The sewage entering the tank body 1 is settled inside the gear body 1. The inclined plate / inclined tube filler 5 can increase the settling speed and thus the settling efficiency by using the shallow tank theory. After the settling is completed, the clean water is discharged through the drain pipe 4 and the sludge is discharged through the sludge discharge pipe 3 as needed.

[0036] Compared with the prior art, the present invention has the following beneficial effects:

[0037] 1. This high-efficiency sedimentation tank for sewage treatment is equipped with a mixing drum 5, a spiral disk 8, a mixing box 9, a mixing wheel 10, a material box 12, and a discharge port 13. During sedimentation, sewage is introduced into the water inlet pipe 11, flocculant is added to the material box 12, and the flocculant falls into the mixing wheel 10 through the discharge port 13. Under the impact of the sewage, the mixing wheel 10 rotates, and the sewage and flocculant flow into the spiral disk 8 together, rotating on the spiral disk 8, and finally flow into the tank body 1 for sedimentation. The flocculant and sewage fall into the spiral disk 8 together, facilitating their mixing. The sewage and flocculant rotate on the spiral disk 8, allowing them to contact and mix with each other, effectively ensuring the mixing effect. The sewage is already mixed with the flocculant before entering the tank body 1, eliminating the need for further stirring of the sewage in the tank body 1, which facilitates the rapid sedimentation process.

[0038] 2. This high-efficiency sedimentation tank for sewage treatment features an inclined plate / tube packing 5 within the tank body 1. This utilizes shallow pond theory to increase sedimentation speed, thereby improving sedimentation efficiency. A one-way valve 7 is installed on the mixing drum 6 to prevent water from backflowing from the tank body 1 into the mixing drum 6. A tank cover 14 is installed on top of the material tank 12 to shield the tank 12 and prevent dust from entering. The cover 14 is rotatably connected to the tank 12, making it convenient for personnel to open and close it.

Claims

1. A high-efficiency sedimentation tank for sewage treatment, comprising a tank body (1), a sedimentation area (2) provided at the bottom of the tank body (1), a mud discharge pipe (3) provided outside the sedimentation area (2), and a drainage pipe (4) provided on one side of the tank body (1); characterized in that: A mixing drum (6) is fixedly connected to one side of the pool body (1), a one-way valve (7) is provided on the mixing drum (6), a spiral disk (8) is fixedly connected inside the mixing drum (6), a mixing box (9) is fixedly connected to the top of the mixing drum (6), a mixing wheel (10) is rotatably connected inside the mixing box (9), a water inlet pipe (11) is fixedly connected to one side of the top of the mixing box (9), a material box (12) is fixedly connected to the other side of the top of the mixing box (9), a material discharge port (13) is provided between the material box (12) and the mixing box (9), and a box cover (14) is provided on the top of the material box (12).

2. The high-efficiency sedimentation tank for sewage treatment according to claim 1, characterized in that: A plurality of partitions are provided in the sedimentation area (2), and a plurality of mud discharge pipes (3) are provided with mud discharge pumps.

3. The high-efficiency sedimentation tank for sewage treatment according to claim 2, characterized in that: An inclined plate / inclined tube filler (5) is provided in the middle of the tank body (1), and the drainage pipe (4) is provided above the inclined plate / inclined tube filler (5).

4. The high-efficiency sedimentation tank for sewage treatment according to claim 2, characterized in that: The mixing cylinder (6) adopts an L-shaped structure, and the mixing cylinder (6) is connected to the middle part of the tank body (1).

5. The high-efficiency sedimentation tank for sewage treatment according to claim 4, characterized in that: The interior of the mixing box (9) adopts a cylindrical structure, and the mixing wheel (10) is rotatably connected to the middle position of the mixing box (9).

6. The high-efficiency sedimentation tank for sewage treatment according to claim 5, characterized in that: The water inlet pipe (11) adopts an L-shaped structure, and the end of the water inlet pipe (11) is fixedly connected to a connecting flange.

7. A high-efficiency sedimentation tank for sewage treatment according to claim 6, characterized in that: The bottom surface of the material box (12) is an inclined surface, and the box cover (14) is rotatably connected to the material box (12).

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