High efficiency tank flocculator with support structure at the bottom
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- FUJIAN QUANZHOU MINGUANG IRON & STEEL CO LTD
- Filing Date
- 2025-09-17
- Publication Date
- 2026-08-07
AI Technical Summary
然而,该结构存在一个显著问题:由于搅拌轴较长且完全悬空,底部缺乏支撑轴承,在设备运行过程中,尤其是在处理量大、负荷较高的工况下,其搅拌轴容易发生径向晃动和振动
1. 增强了搅拌系统刚性及运行稳定性
Smart Images

Figure CN224604783U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of wastewater treatment equipment, specifically to a high-efficiency pool flocculation mixer with a bottom support structure. Background Technology
[0002] Industrial wastewater treatment is a crucial step in ensuring environmental quality and achieving sustainable water resource utilization. Among various treatment equipment, high-efficiency flocculation mixers are widely used in waterworks, wastewater treatment plants, and industrial wastewater treatment as a key component. High-efficiency flocculation mixers play a pivotal role in coagulation, sedimentation, or clarification processes, facilitating the further aggregation of rapidly mixed micro-flocculations into larger, settleable flocs, thus creating favorable conditions for subsequent sedimentation or clarification units. The effectiveness of flocculation directly impacts the final effluent quality, operational stability, and cost control of the entire treatment process.
[0003] Currently, common high-efficiency tank flocculation mixers typically consist of two parts: a top drive unit and a bottom mixing rotor. The drive unit mainly comprises a motor and a reducer, fixed to the upper foundation of the tank and connected to the mixing shaft via a coupling. The mixing shaft has a cantilever structure, with multiple impellers (usually three) at its end, extending into the wastewater to achieve the mixing function. However, this structure has a significant problem: due to the long and completely suspended mixing shaft and the lack of supporting bearings at the bottom, the mixing shaft is prone to radial swaying and vibration during equipment operation, especially under conditions of high throughput and high load.
[0004] This structural defect has led to a series of operational failures. Vibrations transmitted to the top reducer and motor can easily cause abnormal gear meshing, premature bearing wear, or even damage. This not only increases the frequency and cost of equipment maintenance but also affects the stability and efficiency of the flocculation process. Therefore, there is an urgent need for a more structurally sound and operationally stable flocculation and mixing device to improve the reliability and economy of the overall wastewater treatment process. Utility Model Content
[0005] The purpose of this invention is to address the shortcomings and defects of existing technologies by providing a high-efficiency pool flocculation mixer with a bottom support structure. This structure has the advantages of enhancing the rigidity and operational stability of the mixing system; avoiding damage to the transmission system and reducing the failure rate; extending the service life of the equipment; reducing maintenance costs; adapting to high-load operation; and improving processing capacity.
[0006] To achieve the above objectives, the present invention adopts the following technical solution: a high-efficiency tank flocculation mixer with a bottom support structure, comprising a stirring shaft driven by the flocculation mixer and a tank wall of a high-efficiency tank. An H-beam is fixedly connected to the inner wall of the tank wall. The H-beam includes vertical support rods and a support plate. There are two vertical support rods, and both ends of the two vertical support rods are fixed to the inner wall of the tank wall. A support plate is installed between the middle of the two vertical support rods. A central hole is opened in the middle of the support plate. A nylon sleeve is installed at the central hole of the support plate. The nylon sleeve is fitted onto the bottom of the stirring shaft. An impeller for stirring is installed on the stirring shaft.
[0007] Furthermore, the center of the central hole is coaxial with the central axis of the stirring shaft.
[0008] Furthermore, several transverse reinforcing rods are welded between the two vertical support rods.
[0009] Furthermore, the nylon sleeve is located between the bottom of the stirring shaft and the support plate.
[0010] After adopting the above technical solution, the beneficial effects of this utility model are as follows: This structure has at least the following advantages: 1. Enhanced the rigidity and operational stability of the mixing system. By adding a nylon sleeve support structure at the bottom impeller of the mixing shaft, the vibration and deflection problems of the original suspended shaft under high speed or high load conditions are effectively improved, and the rigidity and dynamic balance performance of the entire mixer rotor are significantly improved.
[0011] 2. Prevent damage to the transmission system and reduce the failure rate. The bottom support structure can effectively suppress the lateral sway and radial displacement of the stirring shaft, and block the transmission of vibration to the top reducer, thereby preventing abnormal gear wear and bearing damage caused by severe vibration, and greatly improving the reliability of equipment operation.
[0012] 3. Extend equipment lifespan and reduce maintenance costs. The speed reducer and its internal transmission components operate under more stable conditions, resulting in significantly reduced wear. This not only extends the service life of the speed reducer itself but also reduces maintenance costs and production losses caused by downtime and component replacement due to malfunctions.
[0013] 4. Adapt to high-load operation and improve processing capacity. The improved structure is particularly suitable for operation scenarios with a sudden increase in sewage treatment volume or continuous high load, ensuring the continuous stability of the flocculation process and avoiding the impact of mechanical failure on the overall water treatment effect. It has strong engineering applicability and promotion value. Attached Figure Description
[0014] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0015] Figure 1 This is a schematic diagram of the structure of this utility model.
[0016] Figure 2 This is a schematic diagram of the structure of the H-beam and nylon sleeve in this utility model.
[0017] Figure 3 This is a schematic diagram of the structure of the H-beam in this utility model.
[0018] Explanation of reference numerals in the attached drawings: 1. Stirring shaft; 2. Tank wall; 3. Impeller; 4. H-beam; 5. Nylon sleeve; 6. Horizontal reinforcing rod; 7. Vertical support rod; 8. Central hole; 9. Support plate. Detailed Implementation
[0019] See Figures 1-3 As shown, the technical solution adopted in this specific embodiment is as follows: It includes a stirring shaft 1 driven by a flocculation mixer and a pool wall 2 of a high-efficiency tank. An H-beam 4 is fixedly connected to the inner wall of the pool wall 2. The H-beam 4 includes a vertical support rod 42 and a support plate 44. There are two vertical support rods 42, and both ends of the two vertical support rods 42 are fixed to the inner wall of the pool wall 2. A support plate 44 is installed between the middle of the two vertical support rods 42. A central hole 43 is opened in the middle of the support plate 44. A nylon sleeve 5 is installed at the central hole 43 of the support plate 44. The nylon sleeve 5 is fitted on the bottom of the stirring shaft 1. An impeller 3 for stirring is installed on the stirring shaft 1.
[0020] More specifically, the center of the central hole 43 is coaxial with the central axis of the stirring shaft 1. This ensures that the stirring shaft 1 can remain synchronized with the nylon sleeve 5 when it rotates.
[0021] More specifically, several transverse reinforcing rods 41 are welded between the two vertical support rods 42. The transverse reinforcing rods 41 ensure the stability between the two vertical support rods 42.
[0022] More specifically, the nylon sleeve 5 is located between the bottom of the stirring shaft 1 and the support plate 44. Using the nylon sleeve 5 as the rotational support for the stirring shaft 1 can reduce the collision between the shaft end of the stirring shaft 1 and the support plate 44, and can also enhance the rotational stability of the stirring shaft 1.
[0023] The working principle of this utility model is as follows: An H-beam 4 is added to the bottom of the stirring shaft 1, and the vertical support rod 42 is fixed to the tank wall 2. A support plate 44 is installed between the two vertical support rods 42. A central hole 43 is reserved in the middle of the support plate 44. The central hole 43 is coaxial with the stirring shaft 1, and a nylon sleeve 5 is processed at the central hole 43. The nylon sleeve 5 is used as the bottom rotation support of the stirring shaft 1. When the sewage treatment volume is large, the mutual cooperation between the H-beam 4 and the nylon sleeve 5 can effectively reduce the shaking of the stirring shaft 1 during rotation, thereby avoiding damage to the gears and bearings of the reducer, improving operational reliability, and extending the service life of the reducer.
[0024] The above is only used to illustrate the technical solution of this utility model and not to limit it. Any other modifications or equivalent substitutions made by those skilled in the art to the technical solution of this utility model, as long as they do not depart from the spirit and scope of the technical solution of this utility model, should be covered within the scope of the claims of this utility model.
Claims
1. A high-efficiency tank flocculation mixer with a bottom support structure, comprising a stirring shaft (1) driven by the flocculation mixer and a tank wall (2) of a high-efficiency tank, characterized in that: H-beams (4) are fixedly connected to the inner wall of the pool wall (2). The H-beams (4) include vertical support rods (42) and support plates (44). There are two vertical support rods (42), and both ends of the two vertical support rods (42) are fixed to the inner wall of the pool wall (2). A support plate (44) is installed between the middle of the two vertical support rods (42). A central hole (43) is opened in the middle of the support plate (44). A nylon sleeve (5) is installed at the central hole (43) of the support plate (44). The nylon sleeve (5) is fitted on the bottom of the stirring shaft (1). An impeller (3) for stirring is installed on the stirring shaft (1).
2. The high-efficiency pool flocculation mixer with a bottom support structure according to claim 1, characterized in that: The center of the central hole (43) is coaxial with the central axis of the stirring shaft (1).
3. The high-efficiency pool flocculation mixer with a bottom support structure according to claim 1, characterized in that: Several transverse reinforcing rods (41) are welded between the two vertical support rods (42).
4. The high-efficiency pool flocculation mixer with a bottom support structure according to claim 1, characterized in that: The nylon sleeve (5) is located between the bottom of the stirring shaft (1) and the support plate (44).