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In early 2024, Revision Zero completed the Rake Arm Retrofit project in Queensland, Australia.

Rake arms are crucial in thickeners and clarifiers, and they are widely used in various industrial processes, including mining and water treatment. These devices are essential for separating solids from liquids, ensuring efficient operations in waste management and water recovery.

How Rake Arms Work:
Structure: The rake arms are connected to a central drive mechanism and extend outwards to reach the base of the thickener tank.

Movement: They rotate slowly around the tank to avoid disturbing the settled solids excessively. This slow movement is essential for maintaining process stability.

Function: As the rake arms rotate, they gently guide the settled solids (or sludge) toward the centre of the tank, consolidating it and allowing for easier removal.

Purpose: The goal is to thicken the sludge while ensuring the overflow liquid remains clear. This process is critical in industries like mining, where both efficiency and environmental impact are prioritised.

Revision Zero’s Contribution:
Revision Zero provided advanced 3D modelling and created high-quality drawings to ensure the project was executed accurately. This involved handling approximately 16 tons of steel and collaborating closely with other consultants to ensure the retrofit was precisely aligned with existing mechanical and structural components.