Sedimentation tank plug flow area structure for preventing sludge sedimentation
By designing retaining wall structures and equipment layouts in the push flow area of the sedimentation tank, the problem of sludge accumulation and blockage was solved, more efficient mud-water separation and land optimization were achieved, and sedimentation costs were reduced.
Patent Information
- Application Number
- CN202422496241.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-15
- Publication Date
- 2025-09-23
- Estimated Expiration
- 2034-10-15
AI Technical Summary
The push flow area design of traditional sedimentation tanks is prone to sludge accumulation, which leads to blockage and slow water flow, affecting the sedimentation effect and making it difficult to clean.
The plug flow area structure design includes the first retaining wall, the second retaining wall and the third retaining wall. The retaining wall forms a water gap. Combined with the layout of the flocculation area, the coagulation area and the sedimentation and clarification area, coagulation mixers, flocculation mixers, scrapers and other equipment are installed to achieve effective sludge separation and reasonable reduction of the area occupied by the plug flow area.
Effectively prevent sludge sedimentation, reduce the area occupied by the flow-pushing zone, increase the sedimentation and clarification zone, reduce costs and improve sedimentation effects.
Smart Images
Figure CN223372872U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of sedimentation tanks, in particular to a flow-pushing area structure of a sedimentation tank for preventing sludge sedimentation. Background Art
[0002] High-efficiency sedimentation tank technology is a mature sedimentation process that integrates mud-water separation and sludge concentration through rational hydraulic and structural design, relying on multiple technical theories such as chemical coagulation, inclined tube separation, sludge thickening, and sludge recycling. It achieves both mud-water separation and sludge thickening, thereby improving sedimentation efficiency and effectiveness. This technology is widely used in sewage treatment and industrial wastewater treatment.
[0003] The traditional design structure of the flow zone of the sedimentation tank is as follows: Figure 1 As shown, this structure is prone to sludge accumulation, leading to blockage, slow water flow, affecting the final sedimentation effect, and the push flow area is inconvenient to clean.
[0004] In summary, the utility model designs a sedimentation tank push flow area structure that prevents sludge sedimentation. Utility Model Content
[0005] In response to the shortcomings of the existing technology, the purpose of this utility model is to provide a sedimentation tank push flow area structure that prevents sludge from settling. The structural design is reasonable, which can prevent sludge from settling in the push flow area prematurely, and can reduce the area occupied by the push flow area or increase the area of the sedimentation and clarification area, thereby reducing costs and achieving better sedimentation effects.
[0006] In order to achieve the above-mentioned purpose, the utility model is implemented through the following technical solutions: a sedimentation tank push flow area structure for preventing sludge sedimentation, including a push flow area, the push flow area including a first retaining wall, a second retaining wall and a third retaining wall, the first retaining wall extends downward from the top of the sedimentation tank, the second retaining wall extends upward from the bottom of the sedimentation tank, the bottom of the first retaining wall is set lower than the top of the second retaining wall, the third retaining wall extends downward from the top of the sedimentation tank, the bottom of the third retaining wall is higher than the top of the second retaining wall, and water gaps are formed between the first retaining wall and the second retaining wall and between the second retaining wall and the third retaining wall, and the second retaining wall is set close to the flocculation area.
[0007] Preferably, a flocculation zone and a coagulation zone are sequentially arranged on the left side of the plug flow zone, and a sedimentation and clarification zone is arranged on the right side of the plug flow zone.
[0008] Preferably, a coagulation mixer is provided in the coagulation zone, and a raw water inlet is provided on the upper left side of the coagulation zone.
[0009] Preferably, a flocculation mixer is provided in the flocculation zone.
[0010] Preferably, a scraper is provided in the sedimentation and clarification zone, and a drain outlet is provided on the upper right side of the sedimentation and clarification zone; the bottom of the sedimentation and clarification zone is connected to the mud discharge equipment and the reflux equipment, and the reflux equipment is connected to the bottom of the flocculation zone through a pipeline.
[0011] The beneficial effects of the utility model are as follows: the structural design of the utility model is reasonable, which can prevent the sludge from settling in the push flow area in advance, reduce the floor area of the push flow area, increase the area of the sedimentation and clarification area, reduce costs, and achieve better sedimentation effect. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments;
[0013] Figure 1 It is a structural diagram of the prior art;
[0014] Figure 2 It is a structural diagram of the present utility model. DETAILED DESCRIPTION
[0015] In order to make the technical means, creative features, objectives and effects achieved by the present invention easier to understand, the present invention is further described below in conjunction with specific implementation methods.
[0016] Reference Figure 2 , this specific embodiment adopts the following technical scheme: a sedimentation tank push flow area structure for preventing sludge sedimentation, including a push flow area C, the push flow area C includes a first retaining wall 1, a second retaining wall 2 and a third retaining wall 3, the first retaining wall 1 extends downward from the top of the sedimentation tank, the second retaining wall 2 extends upward from the bottom of the sedimentation tank, the bottom of the first retaining wall 1 is lower than the top of the second retaining wall 2, the third retaining wall 3 extends downward from the top of the sedimentation tank, the bottom of the third retaining wall 3 is higher than the top of the second retaining wall 2, and water gaps are formed between the first retaining wall 1 and the second retaining wall 2 and between the second retaining wall 2 and the third retaining wall 3, and the second retaining wall 2 is arranged close to the flocculation area B.
[0017] It is worth noting that the flocculation zone B and the coagulation zone A are sequentially arranged on the left side of the plug flow zone C, and the sedimentation and clarification zone D is arranged on the right side of the plug flow zone C.
[0018] It is worth noting that a coagulation mixer 5 is provided in the coagulation zone A, and a raw water inlet 6 is provided on the upper left side of the coagulation zone A.
[0019] It is worth noting that a flocculation mixer 4 is provided in the flocculation zone B.
[0020] In addition, a scraper 7 is provided in the sedimentation and clarification zone D, and a drain outlet 8 is provided on the upper right side of the sedimentation and clarification zone D; the bottom of the sedimentation and clarification zone D is connected to a mud discharge device 9 and a reflux device 10, and the reflux device 10 is connected to the bottom of the flocculation zone B through a pipeline.
[0021] This specific embodiment can prevent sludge from settling in the push flow area prematurely through the improved push flow area structure of the sedimentation tank, and can reduce the area occupied by the push flow area or increase the area of the sedimentation and clarification area, thereby reducing costs and achieving better sedimentation effects.
[0022] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention. Such changes and improvements are intended to fall within the scope of the present invention. The scope of protection claimed in this invention is defined by the appended claims and their equivalents.
Claims
1. A sedimentation tank push flow area structure for preventing sludge sedimentation, characterized in that: The invention comprises a flow-pushing zone (C), wherein the flow-pushing zone (C) comprises a first retaining wall (1), a second retaining wall (2) and a third retaining wall (3); the first retaining wall (1) extends downward from the top of the sedimentation tank; the second retaining wall (2) extends upward from the bottom of the sedimentation tank; the bottom of the first retaining wall (1) is arranged lower than the top of the second retaining wall (2); the third retaining wall (3) extends downward from the top of the sedimentation tank; the bottom of the third retaining wall (3) is higher than the top of the second retaining wall (2); a water-passing gap is formed between the first retaining wall (1) and the second retaining wall (2) and between the second retaining wall (2) and the third retaining wall (3); and the second retaining wall (2) is arranged close to the flocculation zone (B).
2. A sedimentation tank push flow area structure for preventing sludge sedimentation according to claim 1, characterized in that: The left side of the plug flow zone (C) is provided with a flocculation zone (B) and a coagulation zone (A) in sequence, and the right side of the plug flow zone (C) is provided with a sedimentation and clarification zone (D).
3. A sedimentation tank push flow area structure for preventing sludge sedimentation according to claim 2, characterized in that: A coagulation mixer (5) is provided in the coagulation zone (A), and a raw water inlet (6) is provided on the upper left side of the coagulation zone (A).
4. The push flow area structure of a sedimentation tank for preventing sludge sedimentation according to claim 1, characterized in that: A flocculation stirrer (4) is provided in the flocculation zone (B).
5. The push flow area structure of a sedimentation tank for preventing sludge sedimentation according to claim 2, characterized in that: A scraper (7) is provided in the sedimentation and clarification zone (D), and a drain outlet (8) is provided on the upper right side of the sedimentation and clarification zone (D); the bottom of the sedimentation and clarification zone (D) is connected to a mud discharge device (9) and a return flow device (10), and the return flow device (10) is connected to the bottom of the flocculation zone (B) through a pipeline.