Donaldson Torit® Dura-Life™ Filter Bags Last 3X as Long on Sticky Wood Dust

September 4th, 2015

Donaldson® Torit® Dura-Life™ Filter Bags Last 3X as Long on Sticky Wood Dust

INDUSTRY: Wood pulp & wood products
PROBLEM: Waxes & resins used to produce OSB (oriented strand board) plugged standard filter bags with sticky dust in only 4 to 6 weeks and caused high 6 – 7 ”wg pressure drop in the collector.
SOLUTION: Donaldson® Torit® Dura-Life™ filter bags now perform effectively for the entire time between scheduled shutdowns (12 weeks) without extra pulsing, and at lower pressure drop.

The maintenance manager of this Oriented Strand Board (OSB) plant was skeptical of trying a new filter — despite the fact that his crew had to changeout filter bags monthly and perform extra pulse-cleaning cycles during downtime to try to extend filter life.

He couldn’t believe any filter material was up the challenge of the sticky waxes & resins produced during the manufacture of OSB. He finally decided to test Dura-Life™ filter bags in one of his Donaldson® Torit® RFW baghouse dust collectors, as shown at left.

Is he happy that he did? Yes! Now, the crew services the bags only during scheduled maintenance time, about every 3 months. Even better, they no longer need downtime cleaning to reduce pressure drop. The Dura-Life™ filters are running at a lower pressure drop with less pulsing, saving both fan energy and reducing compressed air costs.

“That the Dura-Life™ filter bags lasted twice as long and downtime pulsing was not required are strong factors for me. I now plan to use Dura-Life™ bags in all of our dust collectors.”


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