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Bark processing

Maximizing bark as a fuel source

The challenge

Maximizing bark quality as a valuable biomass energy source for boilers, etc.

The solution

ANDRITZ technology for bark preparation prior to combustion.

BMV-15 bark shredder

This sturdy bark shredder is right at home in the automated wood room. It is not sensitive to foreign objects and it produces a homogeneous bark supply. The BMV is designed to produce optimum bark particle size. Bark is fed into the shredder from a conveyor and processed with a combination of hammers and knives to complete the shredding operation. Most foreign objects are crushed by the hammers, but the swiveling rotor knives will swing away if a large uncrushable object does enter the unit. As an added precaution, the upper stator hammers are flex-mounted, with an overload pin for safety.

Hooper bark shredder

This bark shredder has been proven in over 150 installations worldwide. A range of capacities ensures there is a design for any operation. Its rugged design and reliable infeed allows the Hooper bark shredder to shred large pieces of bark and occasional small pieces of solid wood for use in boiler fuel or mulch. Pivoting knives swing out of the shredding zone when they hit rocks or metal, allowing the tramp material to discharge with minimum consequences.

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