Title:
【発明の名称】電気炉ダストの処理方法
Document Type and Number:
Japanese Patent JPS6056407
Kind Code:
B2
Abstract:
PURPOSE:To recover Zn, Pb, etc. and to prevent steel making slag from being crumbled, by charging electric furnace dust into an electric furnace together with starting material for steel making and by adding the remaining electric furnace dust to molten steel making slag. CONSTITUTION:Partial electric furnace dust is charged into an electric furnace 1 together with starting material for steel making, or it is added to molten steel making slag before the intermediate stage of oxidation. The remaining electric furnace dust is added to molten slag together with one or more among cinder, red mud, slag, clay and slate while bubbling the molten slag. Produced dust is collected with a bag filter 6 through a duct 2.
Inventors:
YAMAMOTO KATSUJI
KATSU AKIO
TASHIRO WATARU
NAKANISHI TAKESHI
HARADA GENZABURO
TSUBURA TAKUMA
KATSU AKIO
TASHIRO WATARU
NAKANISHI TAKESHI
HARADA GENZABURO
TSUBURA TAKUMA
Application Number:
JP479481A
Publication Date:
December 10, 1985
Filing Date:
January 14, 1981
Export Citation:
Assignee:
NAKAYAMA SEIKOSHO KK
NIPPON JIRYOKU SENKO KK
NIPPON JIRYOKU SENKO KK
International Classes:
C22B19/34; C01G9/03; C01G21/02; C04B5/06; C21B3/04; C21C5/52; C22B7/02; C22B13/02; C22B19/30; F27D17/00; (IPC1-7): C22B19/34; C22B7/02; C22B13/02; C22B19/30
Attorney, Agent or Firm:
Noriharu Ariyoshi
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