Home > Indian paint major installs Eaton DCF-1600 mechanically cleaned filter to remove impurities during manufacture

Indian paint major installs Eaton DCF-1600 mechanically cleaned filter to remove impurities during manufacture

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article image The self-cleaning action of DCF-Series filters provides high quality filtering under continuous demand without halting production

Eaton Filtration  supplied a DCF-1600 mechanically cleaned filter and an Eaton LOFDISC Module filter to a leading paint manufacturer in India to filter out various impurities from soy-based resins used in the manufacturing of certain paints.

The paint company manufactures a wide range of decorative and industrial paints that meet quality and environmental safety objectives.

The company faced a major challenge in the filtering of impurities from soy-based resins used in the manufacturing of certain paints. These impurities included oversized particles that occur naturally in resins, foreign fibre matter finer than resin particles and build-up of colloidal haze, which again occurs naturally, and can adversely affect the quality of the paint.

Key problems with the existing setup:

  • Highly labour intensive cleaning process requiring the manual dismantling of equipment
  • Exposure to hazardous gases and high temperatures during cleaning
  • Difficult and expensive maintenance
  • Aging system with shabby appearance occupied too much floor space
Eaton’s solution 
Working with plant officials, Eaton filtration experts based in China and India installed an Eaton DCF-1600 mechanically cleaned filter to remedy the problems associated with the large particles and foreign fibres. Additionally, an Eaton LOFDISC Module filter was installed to remove the haze impurities.

Suitable for highly viscous, abrasive or sticky liquids including paint, DCF-Series filters perform a self-cleaning action by mechanically scraping collected debris from the filter screen with a spring loaded cleaning disc that travels down and up, wiping the media clean of concentrated solids in both strokes. The collected debris is automatically purged from the collection chamber at the bottom of the filter.

The DCF-Series filters consist of a cylindrical stainless steel housing that contains a filter screen. Unfiltered liquids enter the inlet, solids are deposited on the interior surface of the filtration media, and filtered fluid exits the outlet.

The self-cleaning action of DCF-Series filtration systems provides high quality filtering under continuous demand without halting production. The horizontal LOFDISC Module filter housings are equally effective and uncomplicated, and better suited for filtering out tiny, fine particles such as the colloidal impurities.

The paint company is now able to meet its quality, budgetary, safety and environmental objectives with Eaton’s filters.

Financial gains are mainly attributed to filtration time reductions and improved flow rates that roughly have gone from one batch (18 tons) to four batches a day. Additional savings are achieved through significantly less resin loss, and reduced labour, disposal and maintenance costs.

Very importantly, the manual, hazardous cleaning of filters has been essentially eliminated. The smaller footprint and cleaner operation of the new Eaton filtration system are added benefits for the paint company.

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