Apparatus for preheating material to be charged into steel...

Details Apparatus for preheating material to be charged into steel... Apparatus for preheating material to be charged into steel...

F - Mech Eng,Light,Heat,Weapons

27

D

39/1

F27D 13/00 (2006.01)

Patent

CA 1142354

TITLE OF THE INVENTION APPARATUS FOR PREHEATING MATERIAL TO BE CHARGED INTO STEEL MAKING EQUIPMENT ABSTRACT OF THE DISCLOSURE A preheating apparatus comprises a transfer duct connected to a dust collecting combustion chamber for steel making equipment, a hood fitting to the duct and shiftable to the position of one of preheating pits selectively, a bucket removably placed in each of the preheating pits and having an exhaust gas passage in its interior and openable bottom means at its bottom, and a communicating duct for holding each of the pits in communication with an outlet duct of the combustion chamber. The material to be charged into steel making equipment is placed into the bucket and preheated with exhaust gas from the combustion chamber. The apparatus assures savings in energy, improved safety and enhanced heat exchange efficiency.

368072

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