RU98103882A - METHOD FOR PROCESSING OXIDIZED NICKEL ORES - Google Patents

METHOD FOR PROCESSING OXIDIZED NICKEL ORES

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Publication number
RU98103882A
RU98103882A RU98103882/02A RU98103882A RU98103882A RU 98103882 A RU98103882 A RU 98103882A RU 98103882/02 A RU98103882/02 A RU 98103882/02A RU 98103882 A RU98103882 A RU 98103882A RU 98103882 A RU98103882 A RU 98103882A
Authority
RU
Russia
Prior art keywords
furnace
zone
ore
nickel ores
oxygen
Prior art date
Application number
RU98103882/02A
Other languages
Russian (ru)
Other versions
RU2125108C1 (en
Inventor
П.А. Ковган
А.В. Тарасов
В.А. Волков
В.В. Козырев
Original Assignee
Дочернее открытое акционерное общество "Институт ГИНЦВЕТМЕТ"
Filing date
Publication date
Application filed by Дочернее открытое акционерное общество "Институт ГИНЦВЕТМЕТ" filed Critical Дочернее открытое акционерное общество "Институт ГИНЦВЕТМЕТ"
Priority to RU98103882/02A priority Critical patent/RU2125108C1/en
Priority claimed from RU98103882/02A external-priority patent/RU2125108C1/en
Application granted granted Critical
Publication of RU2125108C1 publication Critical patent/RU2125108C1/en
Publication of RU98103882A publication Critical patent/RU98103882A/en

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Claims (1)

Способ переработки окисленных никелевых руд, включающий подачу руды в противотоке с высокотемпературными отходящими газами, плавку в барботажной зоне двухзонной печи с подачей углеродсодержащего топлива и кислородсодержащего газа, подаваемого через фурмы, с последующей плазменной обработкой полученного шлака, отличающийся тем, что предварительно в подфурмен-ную область барботажной зоны печи заливают чугун, кислородсодержащий газ подают через фурмы, расположенные от подины печи на расстоянии, составляющем 11,0-12,0 диаметра фурмы, плавку ведут до достижения содержания никеля в донной фазе не более 35,0%, а плазменную обработку шлака проводят при температуре не менее 1450°С с подачей углеродсодержащего восстановителя в количестве (0,07-0,08) от веса руды.A method of processing oxidized nickel ores, including the supply of ore in countercurrent with high-temperature exhaust gases, smelting in a bubble zone of a dual-zone furnace with a supply of carbon-containing fuel and oxygen-containing gas supplied through tuyeres, followed by plasma treatment of the resulting slag, characterized in that it is preliminarily in the sub-tuyere cast iron is poured into the bubbling zone of the furnace, oxygen-containing gas is fed through tuyeres located from the furnace bottom at a distance of 11.0-12.0 of the tuyere diameter, melting lead until the nickel content in the bottom phase is not more than 35.0%, and the slag plasma treatment is carried out at a temperature of at least 1450 ° C with a feed of the carbonaceous reductant in an amount (0.07-0.08) by weight of the ore.
RU98103882/02A 1998-03-03 1998-03-03 Method of processing oxidized nickel ores RU2125108C1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU98103882/02A RU2125108C1 (en) 1998-03-03 1998-03-03 Method of processing oxidized nickel ores

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU98103882/02A RU2125108C1 (en) 1998-03-03 1998-03-03 Method of processing oxidized nickel ores

Publications (2)

Publication Number Publication Date
RU2125108C1 RU2125108C1 (en) 1999-01-20
RU98103882A true RU98103882A (en) 1999-04-10

Family

ID=20202924

Family Applications (1)

Application Number Title Priority Date Filing Date
RU98103882/02A RU2125108C1 (en) 1998-03-03 1998-03-03 Method of processing oxidized nickel ores

Country Status (1)

Country Link
RU (1) RU2125108C1 (en)

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