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Continuous Charging and Preheating of Prereduced Iron Ore.

Authors
Tress-JE; Hunter-WL; Stickney-WA
Source
NTIS: PB 240 837 :10 pages
Link
NIOSHTIC No.
10007579
Abstract
The Bureau of Mines has developed a process to utilize waste heat from electric arc steelmaking furnace gases to preheat the ferrous material charged to the furnace. Four heat exchangers were designed, tested, and operated successfully on 1-ton electric arc furnaces. Briquets and pellets were charged continuously, both countercurrent to the hot furnace offgases and at ambient temperatures. A comparison of the electrical energy consumed in each situation showed that preheating can lower energy requirements as much as 15.6 percent.
Publication Date
19750101
Document Type
IH; Report of Investigation;
Fiscal Year
1975
NTIS Accession No.
PB-240837
NTIS Price
A02
Identifying No.
RI 8004
NIOSH Division
ALRC;
Source Name
NTIS: PB 240 837
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