Many of the dust collection applications with which I deal involve some sort of abrasive dust, whether it is granite, metal grinding, or marble collection; for these jobs, I’ve found a friend in cartridges. Unlike cyclone dust collectors, cartridge systems don’t usually require supplemental filtration, as they are rated to handle the finer particles that cyclones are not capable of capturing. A wise man once told me that a cyclone is "a high efficiency golf ball collector…" such is not the case with the almighty cartridge.

One of the most beneficial aspects of a cartridge dust collector is the fact that most have a (semi) self-cleaning feature of some kind. In a reverse-pulse cleaning dust collector, a compressed air line is connected to an intake manifold on the collector. At certain intervals, that pressurized air is released into the filter, usually from the inside, blasting entrained dust out of the filter, allowing the newly released dust particles to settle into a collection bin or dust drawer… What a concept! Depending on the size and configuration of the collector, pulse controls can be manual or automatic. And, when standard pulsing isn’t enough, some filters are designed to be washable…we’ll touch base on that later.

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Cartridge dust collectors are the newest thing on the market.  Everyone loves cartridge filtration because it is a huge leap from the old style of box filters.  They allow great surface area folded and wrapped around a small cylinder.  Cartridge media manufacturers and material developers have deep pockets to fund endless research and developement to constantly produce new fibers and materials that push the envelope of cartridge media collectors.

But hang on, there are hidden downfalls in all this new technology.

Warning!  Don’t get caught up by overzealous cartridge salespeople who sell cartridge dust collectors for the wrong applications!

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