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Rotary drum filter

Integrated modular coolant cleaner for coolant filtering down to 30-50 microns

The rotary drum filter is an integrated yet modular coolant filter system that cleans coolant with a permanent rotary screen. The compact coolant cleaning system is automatic, versatile and completely media free. 

The coolant filter protects sideways and extends machine life, provides higher performance and quality. The drum filter is self cleaning, by means of back-flushing, and will filter the coolant down to 30-50 micron. Filtered coolant will be delivered into a clean coolant tank which will house the clean feed pump options.

  • Profitable coolant recovery
  • Cleans and filters coolant down to 30-50 microns
  • Self cleaning drum filter


Technical description of rotary drum filter

Contaminated coolant discharges from the machine tool into the dredge tank where swarf settles out and is removed by the drag conveyor. The coolant and fine particles pass through the primary box filter modules, which are constantly wiped by the drag flights and easily removable, into the transfer area.

The coolant is pumped to the machine tool or the rotary drum filter module via a diffusing manifold, where the coolant passes through the constantly rotating mesh drum. The contamination and fines, which attract to the outside surface of the drum, are backflushed off into the drag conveyor for removal. The filtered coolant, which has passed, by gravity, through the drum flows into the clean storage tank which, will house the clean coolant supply pump options and a low level sensor.

A balance weir will constantly flow from clean to transfer section in normal working conditions. A high pressure bag filter option comprising of a bag filter and a high pressure pump mounted in the clean tank. The bag filter is in line with the high pressure pump.

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Documents

Technical leaflet

Rotary drum coolant filter

Technical leaflet
pdf (383.90 KB) English

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Proven solutions

Machining - turning, milling and grinding industries

Metal machining

Milling, drilling and grinding generate metal chips which may affect the operations. Our eco-efficient solutions keep machines and premises free from scraps and our oil mist filters purify the air from dangerous oil drops. With Nederman systems for swarf handling and processing, coolant recycling and oil/water separation you are ensured clean air, prolonged life of coolant, decreased costs for swarf handling and coolant, and better prices when recycling scrap material.

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