Industrial electric heating furnaces – Environmental control – Arc furnace
Patent
1993-03-22
1996-01-23
Hoang, Tu
Industrial electric heating furnaces
Environmental control
Arc furnace
373 80, 75 1036, 266144, F27D 1700
Patent
active
054870810
ABSTRACT:
A process is provided for the treatment of waste gases, dust and vapor from a closed arc furnace disposed in a furnace vessel. The furnace vessel contains a charge column, a metal melt and slag arranged in the lower portion of that vessel. The charge column, the metal melt and the slag are smelted in the furnace vessel. The gases, dust and vapors are guided in a direction opposite to the natural flow through the charge column in the furnace during the smelting. The gases, dust and vapor are then brought into contact with the melt and the slag after leaving the charge column. The gases, dust and vapors are then removed from the arc furnace in a region between the upper and lower portions of the vessel.
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Hoang Tu
Mannesmann Aktiengesellschaft
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