Heat treating furnaces for the steel industry

Heat treating furnaces of steel industry are manufactured in using the same basic units for the design. Certain difference can be found only in design of wall construction and in control engineering.

A separate group is represented by the bell-type and hood type furnaces. These equipment are primary used for heat treating of coils, wires and bands. In viewing the dimensions of charges they are manufactured with various dimensions and capacities. Matching to the technological aim an optimum number of basements and heating bells can be produced.

The bell-type furnaces are furnished with computerised control. In order to meet the requirement of stringent accuracy of temperature uniformity within the charge, heavy duty furnace atmosphere blowers are applied. In order to achieve the required efficiency by gas firing, recuperators are playing an important role as well as the management of the proper mass flow.

Heat treating furnaces are manufactured for gas and electrical heating. The rapid and controlled cooling of the charge can be done by applying cooling bell (bell type furnaces), or by flowing the atmosphere through water-cooled coolers, resp. in using cooling air.

During the development activity was also realised the simultaneous control of furnace batteries both from the spot and from the central control room too. By using of PC operated system, the quality certification and archiving technology was elaborated too.

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