Installation for production of secondary steel based on scrap

Details Installation for production of secondary steel based on scrap Installation for production of secondary steel based on scrap

2011-06-28

2011-06-28

Wyszomierski, George (Department: 1733)

Metallurgical apparatus

With means treating or handling gases exhausted by treating...

With heat exchanger, e.g., waste heat boiler

C266S156000, C266S157000, C266S176000, C266S901000

Reexamination Certificate

active

07968045

ABSTRACT:
An installation for production of the secondary steel based on scrap in which the scrap (10) is fed in a scrap preheater (2) through a charging device (1), is preheated there and, finally, is brought into a smelting unit (3) and is melted there with primary energy only, the process gases (19), which leave the smelting unit (3), are not used for directly preheating the scrap (10) but are rather used indirectly by heating a gaseous preheatable medium, e.g., air (18) or inert gas, whereby energetic, fluidic, and spatial decoupling of preheating and melting and of post-combustion and preheating is achieved.

REFERENCES:
patent: 5000425 (1991-03-01), Brändström
patent: 5500032 (1996-03-01), Nieder et al.
patent: 5520372 (1996-05-01), Pohl

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