Technical report

No.10 Special Issue on High Strength Steel Sheets [General Issues]

Automatic Combustion Control for a Gasifying and Direct Melting Furnace


TSUDA Kazuro     TANABE Minoru     SHIMAMOTO Hiroyuki

Abstract

The JFE Group has developed a high-temperature gasifying and direct-melting furnace as a completely new waste treatment system to meet the operational requirements of a recycling-based society. This plant is still difficult to control, however, as the time lag for operation is lengthy and varies considerably in accordance with the height of the waste in the furnace. In this paper we outline the completed plants and describe a control system that effectively combines online model prediction with rule-based control. The results of trial operations demonstrate the effectiveness of this control system.

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