Temperature control of a continuous, push type, five zone, slab reheating furnace, for minimum fuel usage
The problem under investigation is the temperature control of a continuous, push type, slab reheat furnace for minimum fuel consumption. An existing computer simulation of the reheat furnace was tested and enhanced for the purpose of developing an on-line temperature control scheme. The results obtained include: an on-line temperature control scheme using off-line model generated data; the development of a set of off-line algorithms for determining the maximum furnace push rate; the minimum fuel usage at steady state for a specified existing average slab temperature profile; and the fuel flow distributions and push rate adjustments required during transition from one operating level to another, while maintaining existing average slab temperatures within a specified tolerance band. Two different average slab thicknesses and four different push rates were considered in this study. The furnace used in this study is located at Bethlehem Steel Corporations' Burns Harbor, Indiana, Works, 80 inch Hot Strip Mill. The geometrical and process similarity of each zone (i.e., preheat zone top, preheat zone bottom, heat zone top, etc.) allowed a simpilifcation of the model involved by considering one zone as representative of all the other zones. The model used was verified by showing that the simulation results exhibited similar responses as the real furnace to equivalent upsets with similar magnitude results and similar time responses. No absolute validation versus plant operating data was possible.
- OSTI ID:
- 6272092
- Resource Relation:
- Other Information: Thesis (Ph. D.)
- Country of Publication:
- United States
- Language:
- English
Similar Records
Temperature control of a continuous, push type, five zone, slab reheating furnace for minimum fuel usage. Volume I. Text and Appendix A
Temperature control of a continuous, push-type, five-zone, slab-reheating furnace for minimum-fuel usage. Volume II. Program (Appendices B, C, D)
Related Subjects
FURNACES
FUEL ECONOMY
TEMPERATURE CONTROL
COMPUTERIZED SIMULATION
FUEL CONSUMPTION
ON-LINE CONTROL SYSTEMS
TESTING
CONTROL
CONTROL SYSTEMS
ENERGY CONSUMPTION
ON-LINE SYSTEMS
SIMULATION
320303* - Energy Conservation
Consumption
& Utilization- Industrial & Agricultural Processes- Equipment & Processes