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US6220190B1 - Water-cooled oscillating grate system ...

An integral water-cooled air permeated vibrating grate system for combusting biomass and other fuels in a boiler includes a grate top surface having air-flow apertures extending therethrough. The grate top surface is supported by a plurality of water-cooling pipes which arc coupled to a water supply. An enclosed air plenum unit is positioned under and attached directly to the grate top surface.

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