一种能够防止微砂逃逸的微砂混凝设备
By adopting a polygonal water tank design and setting up flow guides in the micro-sand coagulation equipment, the problem of energy loss caused by sharp turns in the water flow is solved, and the escape of micro-sand is prevented by the filter screen, thereby improving the hydraulic effect and sedimentation efficiency.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SHANGHAI CENTRIFUGE INST
- Filing Date
- 2025-07-15
- Publication Date
- 2026-07-17
AI Technical Summary
The existing microsand coagulation equipment has a large energy loss in its water flow design, resulting in poor hydraulic performance, and the microsand escape phenomenon is quite serious, which affects the effect of subsequent processes.
The design employs a polygonal water flow pattern, which uses guides and filters along the water flow direction to ensure smooth water flow and prevent the escape of fine sand.
It improves the hydraulic efficiency of the equipment, reduces the amount of flocculant to be added, effectively prevents the escape of fine sand, and improves sedimentation efficiency.
Smart Images
Figure CN224513277U_ABST
Abstract
Claims
1. A micro-sand coagulation device capable of preventing micro-sand escape, characterized in that, The system includes several pools (100), each pool (100) including a coagulation pool (101), a sand injection pool (102), a maturation pool (103), and a sedimentation pool (104) connected in sequence. Each of the coagulation pool (101), the sand injection pool (102), and the maturation pool (103) is equipped with a mixing device (200). The mixing device (200) is configured to drive the water in the pool (100) to rotate around the center of the pool (100) to form a water flow. The inner side of the pool (100) is polygonal, and a low flow velocity region (100a) is formed at the corner of the polygon. A flow guide (300) is provided in the low flow velocity region (100a). The side of the flow guide (300) facing the inside of the water tank (100) is the inner side of the flow guide (300). The inner side of the flow guide (300) is arc-shaped and arranged along the water flow direction. The inner side of the flow guide (300) and the inner wall of the water tank (100) are continuously arranged, and the included angle between the inner side of the flow guide (300) and the inner wall of the water tank (100) is an obtuse angle. The upper part of the sedimentation tank (104) is provided with an inclined tube sedimentation zone (1041), and the top of the sedimentation tank (104) is provided with an outlet (1043). In the vertical direction, a filter screen (1042) is provided between the inclined tube sedimentation zone (1041) and the outlet (1043).
2. The microsand mixing equipment capable of preventing microsand from escaping according to claim 1, wherein, The coagulation tank (101) is provided with a PAC flocculant dosing section (1012) on the water inlet (1011), and the sand injection tank (102) and the maturation tank (103) are both provided with PAM flocculant dosing sections (1013). The sand injection pool (102) is equipped with a micro-sand dosing section (1021).
3. The microsand mixing device according to claim 2, wherein The micro-sand coagulation equipment also includes: A circulating pump (400) and a hydrocyclone (500) are provided. The bottom of the sedimentation tank (104) is connected to the hydrocyclone (500) through the circulating pump (400). The hydrocyclone (500) is configured to separate mud and sand. The hydrocyclone (500) is provided with a mud output end and a sand output end. The sand output end is connected to the micro-sand dosing unit (1021).
4. The microsand mixing device according to claim 1, wherein The inner side of the pool (100) is square, and the square corner of the pool (100) forms the low flow velocity region (100a). In the direction of water flow, the inner side of the guide (300) and the inner wall of the pool (100) are arranged alternately.
5. The microsand mixing device according to claim 1, wherein In the vertical direction, the filter screen (1042) and the inclined tube sedimentation zone (1041) are spaced apart, as are the filter screen (1042) and the water outlet (1043).
6. The microsand mixing device according to claim 1, wherein The mesh number of the filter (1042) is not less than 280 mesh.
7. The microsand mixing device capable of preventing microsand escape according to claim 6, wherein, The filter screen (1042) is a 280-mesh stainless steel filter screen.