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New carryback solutions simplify maintenance

By |  June 19, 2022
Martin Engineering says the design of the belt cleaners design allows them to slide out for fast and easy one-person maintenance, improving safety and efficiency. Photo: Martin Engineering

Martin Engineering says the design of the belt cleaners allows them to slide out for fast and easy one-person maintenance, improving safety and efficiency. Photo: Martin Engineering

Martin Engineering launched two secondary conveyor belt cleaners that are engineered for fast and easy maintenance.

According to Martin Engineering, the design of the DT2S and DT2H reversible cleaners reduces system downtime and labor for cleanup or service while helping to prolong the service life of other conveyor components.

The cleaners, which feature a split-track blade cartridge that slides in and out on a stainless-steel mandrel, can be serviced or replaced without stopping the belt when on-site safety approvals are in place.

“Even when the cleaner is encrusted with material, one-half of the split frame can be removed so the cartridge can be changed in just five minutes,” says Dave Mueller, conveyor products manager at Martin Engineering. “This allows users to have a spare cartridge on hand and quickly change it out when the blades need replacement. Then, they can take the used cartridge back to the shop, clean it up and change the blades so it’s ready for the next service.”

The secondary cleaners serve a variety of applications, including quarrying and mining. Martin Engineering says both products significantly reduce material carryback, and they’re engineered to accommodate reversing conveyors to avoid damage to the belt or splicing.

The DT2H

The DT2H reversing cleaner XHD is suited for heavy material loads on belts ranging from 18- to 96-in. wide that operate at speeds up to 1,200 ft. per minute, the company says.

Carryback accumulations along the return run of the conveyor can occur when the cleaning systems on a conveyor fail to remove most of the material that adheres to the belt after unloading its cargo.

“Carryback can have an extremely sticky texture and abrasive nature, which can muck up conveyor components and contribute to premature failure,” Mueller says. “One key to the success of these cleaners is the blade’s negative rake angle. With a negative angle, you get a ‘scraping’ action that mitigates potential belt damage while delivering outstanding cleaning performance.”

The DT2S

Like its larger counterpart, Martin Engineering says the DT2S reversing cleaner can be installed on belts ranging from 18- to 96-in. wide.

Unlike the DT2H, however, the DT2S is designed for a lower maximum belt speed of 900 ft. per minute on belts with vulcanized splices. Mueller says this is primarily due to the difference in applications.

“The DT2S has a slim frame that allows it to fit in spaces as narrow as 7 in.,” he says. “As a result, the DT2S can be attached to belts that may be too small for primary cleaners.”

Kevin Yanik

About the Author:

Kevin Yanik is the editor-in-chief of Pit & Quarry magazine. Yanik can be reached at 216-706-3724 or kyanik@northcoastmedia.net.

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