Trends in furnace control

Conference · Thu Jul 01 04:00:00 EDT 1993 · Iron and Steel Engineer; (United States)

OSTI ID:6828205

McDonald, T J; Keefe, M D ^[1]

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1. Italimpianti of America, Inc., Coraopolis, PA (United States). Instrumentation and Controls Dept.

This paper relates Italimpianti's experiences over the past few years in the area of control of reheat furnaces for the steel industry. The focus is on the level 1 area; specifically on the use of PLC-based systems to perform both combustion control and mechanical/hydraulic control. Some topics to be discussed are: overview of reheat furnace control system requirements; PLC only control vs separate PLC and DCS systems; PLC hardware requirements; man machine interface (MMI) requirements; purge, light-on and safety logic; implementation of more sophisticated level 1 control algorithms; furnace temperature optimization: look up tables vs full thermal modeling; and recent trends including integrated PLC/DCS system.

• OSTI ID: 6828205
• Report Number(s): CONF-9309280--
• Conference Information: Journal Name: Iron and Steel Engineer; (United States) Journal Volume: 70:7
• Country of Publication: United States
• Language: English

Related Subjects

32 ENERGY CONSERVATION, CONSUMPTION, AND UTILIZATION
320303* -- Energy Conservation
Consumption
& Utilization-- Industrial & Agricultural Processes-- Equipment & Processes
ALLOYS
COMPUTERIZED CONTROL SYSTEMS
CONTROL
CONTROL EQUIPMENT
CONTROL SYSTEMS
EQUIPMENT
FURNACES
INDUSTRY
IRON ALLOYS
IRON BASE ALLOYS
METAL INDUSTRY
ON-LINE CONTROL SYSTEMS
ON-LINE SYSTEMS
STEELS
TEMPERATURE CONTROL