A decanter centrifuge is a mechanical device designed for the continuous centrifugal separation of suspensions with varying densities. Our company’s centrifuges are capable of clarifying, dewatering, or classifying suspensions containing solid particles ranging in size from 0.002 to 3 mm, with concentrations between 0.5% and 10%. Depending on the characteristics of the material being processed, we offer two main types: the LW two-phase model and the LWS three-phase model. These centrifuges are adaptable to various materials and operating conditions, making them ideal for use in industries such as pharmaceuticals, food processing, chemicals, environmental protection, and more.
Working principle
The bowl and screw conveyor rotate at high speed with a specific differential speed. Raw material is continuously introduced into the screw conveyor via the feed pipe and then evenly distributed into the bowl. Under the influence of centrifugal force, the heavier solid phase settles against the inner wall of the bowl, forming a sediment layer.
The screw shaft continuously pushes the deposited solid phase to the conical end of the drumafter dewatered, it is discharged through the solid outlet. The lighter liquid phase forms an inneliquid layer, which continuously flows out of the overflow port at the cylinder end of the drum.and then discharged through the liquid outlet.
Equipment structure
The horizontal screw centrifuge is mainly composed of a conical drum, a screw shaft, a differential system, a bearing seat, a frame, a cover, a main and auxiliary motors, and an electrical control system. The main motor drives the drum, and the auxiliary motor drives the differential, so that a differential is generated between the drum and the screw shaft.
In practical applications, high-speed sludge dewatering centrifuges are widely used across industries such as municipal wastewater treatment, petrochemical processing, mining, food and beverage production, and paper manufacturing. These systems not only improve the efficiency of solid-liquid separation but also significantly reduce the volume and weight of waste that must be transported or further treated. This contributes to lower disposal costs and better compliance with environmental regulations. By integrating advanced separation technology with user-friendly operation, the industrial sludge centrifuge plays a crucial role in sustainable waste management and resource recovery.
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