FIELD: systems control.
SUBSTANCE: invention relates to the sintering systems control. According to a method for controlling the main exhaust fan of the sintering system, the amount (E) of the sintered material on the sintering conveyor is determined, calculating the vertical sintering speed of a material layer by using the sintered material quantity (E) and a preset burn-through point. Calculating effective large flue air quantity by using a relationship between the vertical sintering speed and effective air quantity. Flue gas composition in large flue gas duct is registered, calculating an effective air rate by using the smoke composition in the large flue, and calculating target large flue air quantity. Regulating the current main exhaust fan frequency to the target main exhaust fan frequency corresponding to the target main exhaust fan rotation speed.
EFFECT: increased productivity.
10 cl, 9 dwg
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