Research and Development > JFE TECHNICAL REPORT > No.16 Special Issue on “Engineering,“ “Steel Section Products,“ and “Iron and Steel Powders“ > CFB Combustion Control System for Multiple Fuels

No.16 Special Issue on “Engineering,” “Steel Section Products,” and “Iron and Steel Powders”

CFB Combustion Control System for Multiple Fuels

NAKAO Nobuyuki       SHIMAMOTO Hiroyuki       YAMAMOTO Koji

Abstract

JFE Engineering has developed a new combustion control system that is capable of achieving the stable combustion for various multi-waste-fuels in the circulating fluidized bed boiler (CFB). This system has advanced control functions with a rule-based type multipurpose control. This device is applied to furnace temperature control, exhaust gas stabilization control, and blowing control of slaked lime for the reduction of HCl. The application test was conducted in two CFB plants and the effect was confirmed that the furnace temperature and exhaust gas condition could be stabilized, and the fun driven power could be reduced by the reduction of combustion air.

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