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Drum Thickener, PAM/Dosing Unit, Polymer

Sludge Dewatering Specialist

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Drum Thickener

Rotary Sludge Drum Thickener

A Rotary Sludge Drum Thickener is a device used in wastewater treatment to reduce sludge volume by removing excess water. It features a rotating drum lined with a filter cloth or screen that separates water from solid particles as the drum turns. This process results in denser, more manageable sludge. The equipment is efficient, easy to operate, and commonly used in municipal and industrial wastewater treatment plants to enhance processing efficiency and reduce handling costs.

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Description

Rotary Sludge Drum Thickener is a device used in wastewater treatment to thicken sludge. The primary function of this equipment is to reduce the volume of sludge by removing a significant portion of the water contained in it, making the sludge denser and easier to handle or process further.Here is an explanation of how it works and its main components:
  1. Working Principle:
    • The sludge enters the Rotary Sludge Drum Thickener and is distributed into the rotating drum.
    • This drum is typically lined with a filter cloth or screen that allows water to pass through while retaining solid particles.
    • As the drum rotates, free water (filtrate) exits through the filter cloth or screen, while solid particles remain trapped inside the drum, gradually accumulating and becoming thicker.
  2. Main Components:
    • Rotating Drum: The primary component responsible for thickening the sludge. The drum rotates slowly to ensure effective separation of water from the sludge.
    • Filter Cloth or Screen: The filtering material lining the drum, allows water to pass through while retaining the sludge particles.
    • Drive System: A motor and gearbox that drives the drum to rotate.
    • Cleaning System: To maintain the cleanliness of the filter cloth or screen, there is usually a cleaning system that periodically cleans the surface of trapped particles.
    • Filtrate Collection Tank: The water separated from the sludge is collected in this tank for disposal or further treatment.
  3. Advantages:
    • Efficient Volume Reduction: Significantly reduces sludge volume, thereby lowering transportation and further processing costs.
    • Ease of Operation: Rotary Sludge Drum Thickeners generally have a simple design and are easy to operate and maintain.
    • Stable Performance: Provides consistent results in sludge thickening.
  4. Applications:
    • Municipal Wastewater Treatment: Used in municipal wastewater treatment plants to reduce the volume of produced sludge.
    • Industry: Utilized in various industries that generate liquid waste containing sludge, such as food and beverage manufacturing, paper mills, and others.
By thickening the sludge, a Rotary Sludge Drum Thickener helps minimize the volume of material that needs further processing, ultimately reducing costs and improving the efficiency of the wastewater treatment process. 
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