Microwave iron-making furnace

Details Microwave iron-making furnace Microwave iron-making furnace

2008-07-30

2010-06-29

Kastler, Scott (Department: 1793)

Metallurgical apparatus

Means for melting or vaporizing metal or treating liquefied...

Heated melting pot

C266S200000

Reexamination Certificate

active

07744810

ABSTRACT:
A reactor has a casing composed of a magnesia-based refractory, and a bottom plate composed of an MgO-graphite mixed refractory is disposed on a bottom part of this casing. A graphite crucible is provided at a bottom of the reactor, and the graphite crucible and the reactor are joined together by a magnesia cylinder. Iron ore powder, coal powder, and other such raw materials supplied into the reactor are irradiated with microwaves from microwave oscillators and are heated. The iron ore is reduced, and the resulting molten pig iron flows out through a hole into a crucible, and then is poured out of the crucible through another hole into a ladle. It is thereby possible to manufacture molten pig iron with high energy efficiency, instead of using blast-furnace iron-making.

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European Search Report dated Oct. 31, 2008.
Holocombe and Dykes: “Importance of “casketing” for microwave sintering of materials.” Journal of Materials Science Letters, No. 9, 1990, pp. 425-428, XP002499745 United States.

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