Radial Flow Thickener
Apr 02,2025
The radial flow thickener is a solid-liquid separation equipment based on the principle of gravity sedimentation, widely used in industries such as mining, metallurgy, and chemical engineering. It is primarily employed in processes like slurry concentration and wastewater treatment. Through physical and chemical processes, it separates solid particles from the liquid in slurry to achieve concentration and clarification. Characterized by large processing capacity, high efficiency, and compact footprint, the thickener serves as an indispensable key equipment in modern industrial production.
The operational principle of a radial flow thickener primarily relies on gravity sedimentation and flocculant action, with the following key steps:
Slurry Feeding & Air Discharge：
The slurry is fed into the thickener through the feed pipe, while entrained air is discharged.
Flocculant Mixing：
In the mixing chamber, the slurry is thoroughly blended with flocculants. The flocculant promotes the aggregation of fine particles into larger flocs, increasing their particle size to accelerate settling.
Sedimentation & Separation：
The mixed slurry enters the settling zone. Solids settle under gravity to form a concentrated underflow layer, while clarified liquid rises to the top as overflow.
Underflow & Overflow Discharge：
The concentrated underflow is discharged through the underflow outlet, and the clarified overflow exits via the drainage outlet, completing the solid-liquid separation process.
The radial flow thickener has extensive applications in the following industries:
Mining Industry: Used for ore slurry concentration and tailings treatment to enhance resource utilization.
Metallurgical Industry: Employed in concentrating metal leaching solutions and wastewater treatment.
Chemical Industry: Applied for solid-liquid separation of raw chemical materials and industrial wastewater treatment.
Environmental Protection Sector: Utilized in industrial wastewater treatment and sludge concentration to reduce environmental pollution.
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