Wastewater treatment sludge concentration device

Abstract

The utility model discloses a sludge concentration device for wastewater treatment, which relates to the technical field of wastewater treatment appliances and comprises an air pressurizing machine, an air compression tank arranged on one side of the air pressurizing machine, a water conveying pipeline arranged on one side of the air compression tank, a support column welded at the bottom of the water conveying pipeline and a sewage inlet pipe fixedly connected with the middle section of the water conveying pipeline. One end of the water conveying pipeline is provided with a filter barrel, the joint of the filter barrel and the water conveying pipeline is provided with a foam maker, the bottom of the filter barrel is fixedly connected with a drainage pipeline, and a concentration part is arranged in the drainage pipeline. Through the arrangement of the butt joint grooves, accurate positioning and firm fixing of the pipeline filter plate can be realized; through the arrangement of the concentration part, the solid content in flowing-out liquid can be remarkably reduced, gradual concentration of sludge is achieved, and the problems that due to the fact that traditional sludge concentration equipment is difficult to fully intercept fine sludge particles, the solid content of discharged water is high, and the sludge concentration effect is poor are solved.

Description

Technical Field

[0001] This utility model relates to the technical field of wastewater treatment equipment, and in particular to a wastewater treatment sludge thickening device. Background Technology

[0002] In the field of wastewater treatment, sludge thickening is a key step in reducing the cost of subsequent sludge disposal and improving treatment efficiency. Traditional sludge thickening equipment mostly adopts a single filtration structure or a simple solid-liquid separation principle, which makes it difficult to meet the requirements of modern environmental protection standards for sludge thickening effect when treating sludge with complex components.

[0003] Traditional sludge thickening equipment, such as belt thickeners, uses filter media to intercept sludge particles. However, a single filter layer is easily clogged by fine particles, leading to a decrease in filtration flux. Especially when treating high-viscosity, high-concentration sludge from industrial wastewater, belt thickeners often have to stop frequently for cleaning due to filter cloth clogging. In addition, traditional equipment lacks a multi-stage interception mechanism for fine particles, resulting in a large amount of unretained sludge particles being discharged with the effluent, causing waste of sludge resources and the risk of secondary pollution. Therefore, these problems need to be solved. Utility Model Content

[0004] The purpose of this invention is to address the shortcomings of existing technologies by proposing a wastewater treatment sludge thickening device.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: a wastewater treatment sludge thickening device, comprising an air compressor, an air compression tank on one side of the air compressor, a water supply pipe on one side of the air compression tank, a support welded to the bottom of the water supply pipe, a sewage inlet pipe fixedly connected to the middle section of the water supply pipe, a filter bucket at one end of the water supply pipe, a foamer at the connection between the filter bucket and the water supply pipe, a drain pipe fixedly connected to the bottom of the filter bucket, and a thickening component inside the drain pipe.

[0006] Preferably, the bottom of the filter barrel is symmetrically fixed with two support columns, the bottom of the two support columns is fixed with a base plate, and two support rods are symmetrically welded to the base plate, with mounting plates provided on the two support rods.

[0007] Preferably, a hydraulic cylinder is mounted on the mounting plate, a rotary motor is mounted on the extended end of the hydraulic cylinder, a scraper plate is fixedly connected to the output end of the rotary motor, the scraper plate moves inside the filter barrel, and a filter is provided on the inner wall of the bottom of the filter barrel.

[0008] Preferably, the concentration component includes a plurality of pipe filter plates equidistantly arranged in the drainage pipe, one of the pipe filter plates having a connecting groove, and a fixing ring abutting one side of the pipe filter plate.

[0009] Preferably, a corresponding block is fixedly connected to one side of the fixing ring, the fixing ring is connected to the docking groove through the corresponding block, and the outer wall of the fixing ring abuts against the inner wall of the drainage pipe.

[0010] Preferably, the scraper plate has an arc-shaped structure, the surface of the scraper plate is coated with a Teflon coating to prevent sludge adhesion, and the edge of the scraper plate is provided with an elastic rubber scraper strip.

[0011] Compared with the prior art, the beneficial effects of this utility model are as follows: In this utility model, the position of the scraper can be flexibly adjusted according to the sludge accumulation by the cooperation of the scraper and the hydraulic cylinder, ensuring that the sludge is effectively treated; the precise positioning and firm fixation of the pipeline filter plate can be achieved by the cooperation of the docking groove and the corresponding block, ensuring the stability of the filtration effect; the setting of the thickening component can significantly reduce the solid content in the outflowing liquid, realize the gradual thickening of sludge, and solve the problem that traditional sludge thickening equipment is difficult to fully intercept fine sludge particles, resulting in high solid content in the effluent and poor sludge thickening effect. Attached Figure Description

[0012] The accompanying drawings, which are included to provide a further understanding of the present invention and form part of this application, illustrate exemplary embodiments of the present invention and, together with the description thereof, serve to explain the present invention and do not constitute an undue limitation thereof. In the drawings:

[0013] Figure 1 This is a schematic diagram of the overall first-view structure proposed in this utility model;

[0014] Figure 2 This is a schematic diagram of the internal second-view structure proposed in this utility model;

[0015] Figure 3 This is a schematic diagram of the structure of some parts proposed in this utility model;

[0016] Figure 4 This is a schematic diagram of the condensation component structure proposed in this utility model.

[0017] The numbers in the diagram are: 1. Air compressor; 2. Air compression tank; 3. Sewage inlet pipe; 4. Filter barrel; 5. Scraper plate; 6. Filter; 7. Rotary motor; 8. Hydraulic cylinder; 9. Foamer; 10. Base plate; 11. Pipe filter plate; 12. Fixing ring. Detailed Implementation

[0018] 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.

[0019] Example: See Figure 1-4 This utility model discloses a wastewater treatment sludge thickening device, comprising an air compressor 1, an air compression tank 2 on one side of the air compressor 1, which helps to avoid unstable treatment effects caused by air pressure fluctuations and provides a continuous and stable high-pressure air source for the foamer 9; a water supply pipe is provided on one side of the air compression tank 2, with a support welded to the bottom of the water supply pipe, and a sewage inlet pipe 3 fixedly connected to the middle section of the water supply pipe, which facilitates the directional transportation of sewage and ensures that the sewage can accurately enter the treatment process and be fully mixed with air; a filter barrel 4 is provided at one end of the water supply pipe, which facilitates the efficient initial separation of sludge and water, providing a foundation for subsequent treatment; a foamer 9 is provided at the connection between the filter barrel 4 and the water supply pipe, which facilitates the aggregation of fine impurities and their floating to the water surface, improving the separation efficiency of impurities; a drain pipe is fixedly connected to the bottom of the filter barrel 4, and a thickening component is provided inside the drain pipe.

[0020] In this utility model, two support columns are symmetrically fixed to the bottom of the filter barrel 4, and a base plate 10 is fixed to the bottom of the two support columns. Two support rods are symmetrically welded to the base plate 10, and mounting plates are provided on the two support rods. The base plate 10 provides stable support, reduces vibration and shaking during equipment operation, and ensures smooth processing. A hydraulic cylinder 8 is mounted on the mounting plate, and a rotary motor 7 is mounted on the extended end of the hydraulic cylinder 8. A scraper plate 5 is fixed to the output end of the rotary motor 7. The scraper plate 5 moves inside the filter barrel 4. A filter 6 is provided on the inner wall of the bottom of the filter barrel 4. The position of the scraper plate 5 can be flexibly adjusted according to the sludge accumulation through the hydraulic cylinder 8 to ensure effective sludge treatment and improve the adaptability of the equipment. The thickening component includes multiple pipe filters equidistantly arranged in the drainage pipe. The filter plate 11 has a connecting groove on one of its pipe filter plates. A fixing ring 12 abuts against one side of the pipe filter plate 11. The thickening component facilitates a significant reduction in the solid content of the outflowing liquid, achieving gradual sludge thickening. A corresponding block is fixed to one side of the fixing ring 12, and the fixing ring 12 is connected to the connecting groove through the corresponding block. The outer wall of the fixing ring 12 abuts against the inner wall of the drainage pipe. The fixing ring 12 facilitates the precise positioning and firm fixation of the pipe filter plate 11, ensuring the stability of the filtration effect. The scraper plate 5 adopts an arc-shaped structure. The surface of the scraper plate 5 is coated with a Teflon coating to prevent sludge adhesion. The edge of the scraper plate 5 is equipped with an elastic rubber scraper. The scraper plate 5 facilitates the effective removal of sludge from the inner surface of the filter bucket 4, preventing sludge blockage, reducing sludge adhesion, and improving scraping efficiency.

[0021] Working principle: When this utility model is used, firstly, the air compressor 1 compresses the air and stores it in the air compression tank 2 to form a stable high-pressure air source. The high-pressure air pushes the sewage through the sewage inlet pipe 3 into the water supply pipeline, and then it is directed to the filter tank 4 to avoid the unstable flow rate caused by gravity flow and ensure that the sewage enters the treatment system evenly and stably. Then, before the sewage enters the filter tank 4, the foamer 9 at the connection between the water supply pipeline and the filter tank 4 injects micro bubbles into the sewage. The bubbles combine with the sludge particles to form a "gas-solid" mixture, which floats to the liquid surface under the action of buoyancy, completing the initial solid-liquid separation. The filter 6 on the inner wall of the bottom of the filter tank 4 further intercepts larger solid particles. The separated liquid flows into the drainage pipe, while the sludge is deposited at the bottom of the filter tank 4. Then, the hydraulic cylinder 8 drives the rotary motor 7 to move axially and precisely adjust the height of the scraper plate 5. The rotary motor 7 drives the arc-shaped scraper plate 5 to rotate. The Teflon coating and elastic rubber scraper on its surface adhere closely to the barrel wall, scraping the deposited sludge to the central area and stirring it. The stirring action breaks down the sludge floc structure, releases the trapped water, and further improves the sludge dewatering and aggregation, preventing sludge caking and blockage. Then, the multi-stage pipe filter plate 11 in the drainage pipe forms a stepped filter barrier with progressively smaller pore sizes. When the pre-treated wastewater flows through, water is discharged through the filter holes, and solid particles are intercepted step by step, eventually forming high-concentration sludge in the pipe. The fixing ring 12 securely fixes the filter plate through the docking groove to prevent it from shifting under the impact of water flow, ensuring the stability and continuity of multi-stage filtration. Finally, through the close cooperation of the above links, the device effectively improves the separation efficiency of sludge particles of different sizes. The use of the wastewater treatment sludge thickening device is thus completed.

[0022] 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 wastewater treatment sludge thickening device, comprising an air compressor (1), characterized in that: An air compressor (1) is provided with an air compression tank (2) on one side, and a water supply pipe is provided with a water supply pipe on one side. A support is welded to the bottom of the water supply pipe, and a sewage inlet pipe (3) is fixedly connected to the middle section of the water supply pipe. A filter bucket (4) is provided at one end of the water supply pipe. A foamer (9) is provided at the connection between the filter bucket (4) and the water supply pipe. A drain pipe is fixedly connected to the bottom of the filter bucket (4), and a concentration component is provided inside the drain pipe.

2. The wastewater treatment sludge thickening device according to claim 1, characterized in that: The filter barrel (4) has two support columns symmetrically fixed to its bottom. The bottom of the two support columns is fixed to a base plate (10). Two support rods are symmetrically welded on the base plate (10). The two support rods are provided with mounting plates.

3. The wastewater treatment sludge thickening device according to claim 2, characterized in that: A hydraulic cylinder (8) is mounted on the mounting plate. A rotary motor (7) is mounted on the extended end of the hydraulic cylinder (8). A scraper plate (5) is fixedly connected to the output end of the rotary motor (7). The scraper plate (5) moves inside the filter barrel (4). A filter (6) is provided on the bottom inner wall of the filter barrel (4).

4. The wastewater treatment sludge thickening device according to claim 1, characterized in that: The concentration component includes multiple pipe filter plates (11) equidistantly arranged in the drainage pipe, one of which has a docking groove and a fixing ring (12) abutting on one side of the pipe filter plate (11).

5. A wastewater treatment sludge thickening device according to claim 4, characterized in that: A corresponding block is fixed to one side of the fixing ring (12), and the fixing ring (12) is connected to the docking groove through the corresponding block. The outer wall of the fixing ring (12) abuts against the inner wall of the drainage pipe.

6. A wastewater treatment sludge thickening device according to claim 3, characterized in that: The scraper plate (5) adopts an arc-shaped structure. The surface of the scraper plate (5) is coated with a Teflon coating to prevent sludge adhesion. The edge of the scraper plate (5) is provided with an elastic rubber scraper.

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