Case Study: Tachikawa wood waste handling system

Tachikawa Forest Products, Rotorua, New Zealand

In 1997, Tachikawa Forest Products NZ Ltd in Rotorua committed to installing an 8MWth energy plant to be fired on waste-wood products.

The choice of boiler proved a two-edged response to problem solving. While its primary aim was to boost kiln drying capacity, it has also cleaned up literally another issue. Tachikawa had a waste disposal problem to deal with. A big drawback with the existing heat system was that it could not burn enough green sawdust and also would not handle and burn the dirty bark and residues that fell off the log deck.

The fuel handling system was designed and manufactured by Brightwater Engineers, Nelson.

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