Optimal control system for steel rolling heating furnace
An optimized control and heating furnace technology, applied in the general control system, control/regulation system, adaptive control, etc., can solve problems such as difficult to meet real-time performance, difficult to operate optimally, and lag in flue gas oxygen measurement
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[0057] The system control block diagram is attached image 3 shown.
[0058] 1. Furnace temperature online setter
[0059] 1) Establish a production rhythm model
[0060] The production rhythm is the amount of steel that characterizes the unit time, and the unit is "root or piece / hour". According to the measurement signal of the photoelectric switch used to detect the billet, the furnace interval between two billets is calculated in real time, and the billet discharge per hour is calculated. Quantity R3;
[0061] R3=3600 / t(k)-t(k-1))
[0062] t(k) is the moment when the power switch detects that there is a steel billet out of the furnace, and t(k-1) is the time when the last steel billet was out of the furnace;
[0063] 2) billet type
[0064] According to the type of billet, a serial number is given at a time, such as 1, 2, 3, 4, ..., and the type of billet is used as a quantitative value. Among them, the selection of billet type requires manual input.
[0065] 3) Acqu...
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