Patent ID: 8091491
Filing Date: 2012-01-10
Classification: F23C,F23J

Abstract:
1. A system for conversion of ashes produced by a steam production boiler fed by fossil fuel into light ashes which comprises: a grinder for receiving the ashes from the steam production boiler and an associated economizer, and producing ground ashes; a mechanical conveyor downstream from the grinder for receiving the ground ashes; a separator cyclone downstream from the mechanical conveyor and adapted to receive the ground ashes from the mechanical conveyor; a proportioning mixer downstream from the separator cyclone for combining the ground ashes with fossil fuel to produce ground ash and fossil fuel admixture; a pulverizing mill downstream from the proportioning mixer for receiving the ground ash and fossil fuel admixture and producing a pulverized boiler feed; and a return conduit in communication with the pulverizing mill and the boiler for introduction of the pulverized boiler feed into the boiler.