| 摘要 |
PURPOSE:To enable collected ash to be processed by using a less expensive ash incinerator device by a method wherein the collected ash is supplied to the lower inner part lower than the position where a burner of the combustion device is arranged. CONSTITUTION:As collected by a hopper 1 of a dust collector is transported with air by a vacuum blower 2, passed through a transportation pipe 10a and stored in an ash bin 3. The ash in the ash bin 3 is passed through a pressure transporting blower 4, ejector 5 and then fed into the boiler 6 through the ash transporting pipe 10b. This feeding position is a position where it is at a lower part of the burner 9 with no air flow and a temperature is about 600-800 deg.C and preferably about 700 deg.C. The ash fed into the boiler 6 is ignited with radiation heat and self burned in a bottom hopper thereafter the ash is discharged through the discharging port by a conveyor 7 and then filled in the bag at 8. The ignited ash shows about 1/20 of its total volume and its transportation fee can be decreased. Due to less volume of ash, a concentration of the vanadium may be increased and the ash can be sold.
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