High Level Material Zinc Wire

The main purpose of annealing is to remove the oxide layer and various impurities on the steel strip through closed high-temperature heating and cooling under oxygen-free conditions, so as to ensure the quality of galvanizing of the steel strip. For this reason, the automatic control system composition and function of the continuous annealing furnace of the zinc wire production. Due to the use of advanced hardware, software configuration and automatic control technology, the parameters of the annealing furnace have reached the predetermined indicators, which provides good conditions for the strip galvanizing in the later process.

1.Control of hot-dip Zinc wire air knife: with the development of science and technology, hot-dip galvanized sheet is currently showing a vigorous development scene, steel plate galvanizing can not only effectively solve the problem of corrosion, but also widely used in various fields according to the thickness of the galvanized layer. In the production process of hot-dip galvanized sheet, the accuracy of air knife control directly determines the quality and application of galvanized sheet. The galvanizing process is a complex process, which has the characteristics of nonlinearity, multivariate and large hysteresis, which makes it difficult to obtain satisfactory control effect based on mathematical model. The PID controller has the advantages of simple principle, easy to use, and good control effect, but its parameters need to rely on human experience for manual tuning, and the more complex the system, the more difficult it is to optimize the parameters, and the worse the control effect; The Simth estimator has good control over large hysteresis systems, and the more precisely the model of the plant object is controlled, the better the effect

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