RU2002134350A - METHOD FOR PRODUCING IRON POWDER - Google Patents

METHOD FOR PRODUCING IRON POWDER

Info

Publication number
RU2002134350A
RU2002134350A RU2002134350/02A RU2002134350A RU2002134350A RU 2002134350 A RU2002134350 A RU 2002134350A RU 2002134350/02 A RU2002134350/02 A RU 2002134350/02A RU 2002134350 A RU2002134350 A RU 2002134350A RU 2002134350 A RU2002134350 A RU 2002134350A
Authority
RU
Russia
Prior art keywords
iron
iron powder
producing iron
sieving
classification
Prior art date
Application number
RU2002134350/02A
Other languages
Russian (ru)
Other versions
RU2231420C1 (en
Inventor
Михаил Алексеевич Секачев
Владимир Борисович Акименко
Игорь Алексеевич Гуляев
Ольга Юрьевна Калашникова
Original Assignee
Федеральное государственное унитарное предприятие "Центральный научно-исследовательский институт черной металлургии им. И.П. Бардина"
Filing date
Publication date
Application filed by Федеральное государственное унитарное предприятие "Центральный научно-исследовательский институт черной металлургии им. И.П. Бардина" filed Critical Федеральное государственное унитарное предприятие "Центральный научно-исследовательский институт черной металлургии им. И.П. Бардина"
Priority to RU2002134350/02A priority Critical patent/RU2231420C1/en
Priority claimed from RU2002134350/02A external-priority patent/RU2231420C1/en
Application granted granted Critical
Publication of RU2231420C1 publication Critical patent/RU2231420C1/en
Publication of RU2002134350A publication Critical patent/RU2002134350A/en

Links

Claims (1)

Способ получения железного порошка, включающий нагрев железосодержащего сырья в присутствии твердого восстановителя в несмешивающихся слоях до 1100-1200°С, выдержку при этой температуре до образования губчатого железа, охлаждение, дробление, рассев, выделение неметаллических включений магнитной сепарацией, водородный отжиг при 850-950°С в течение 1,5-2,0 ч, измельчение и классификацию, отличающийся тем, что в качестве железосодержащего сырья используют мартитовую руду, а дополнительное выделение неметаллических включений проводят аспирацией при скорости воздушного потока 0,1-0,3 м/с на стадиях дробления, рассева, измельчения и классификации.A method of producing iron powder, including heating iron-containing raw materials in the presence of a solid reducing agent in immiscible layers to 1100-1200 ° C, holding at this temperature to form sponge iron, cooling, crushing, sieving, separation of non-metallic inclusions by magnetic separation, hydrogen annealing at 850-950 ° C for 1.5-2.0 hours, grinding and classification, characterized in that martite ore is used as the iron-containing raw material, and additional extraction of non-metallic inclusions is carried out by aspiration When the air flow velocity of 0.1-0.3 m / s at the crushing stage, sieving, grinding and classification.
RU2002134350/02A 2002-12-20 2002-12-20 Method for producing iron powder RU2231420C1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU2002134350/02A RU2231420C1 (en) 2002-12-20 2002-12-20 Method for producing iron powder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU2002134350/02A RU2231420C1 (en) 2002-12-20 2002-12-20 Method for producing iron powder

Publications (2)

Publication Number Publication Date
RU2231420C1 RU2231420C1 (en) 2004-06-27
RU2002134350A true RU2002134350A (en) 2004-07-27

Family

ID=32846580

Family Applications (1)

Application Number Title Priority Date Filing Date
RU2002134350/02A RU2231420C1 (en) 2002-12-20 2002-12-20 Method for producing iron powder

Country Status (1)

Country Link
RU (1) RU2231420C1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100406171C (en) * 2006-04-07 2008-07-30 北京科技大学 Process for preparing nano iron powder

Similar Documents

Publication Publication Date Title
Sadangi et al. Investigation into recovery of iron values from red mud dumps
ES2752739T3 (en) Systems and methods for recycling converter exhaust gas residue for steel fabrication and thereby manufactured products
Chelgani et al. Dry mineral processing
CN100430145C (en) Method for magnetic separating of aluminum and iron in high iron bauxite
Vapur et al. Comparison of iron ores upgraded with Falcon concentrator and magnetic separators assisted by coal reduction-conversion process
RU2002134350A (en) METHOD FOR PRODUCING IRON POWDER
JPS60155633A (en) Manufacture of magnesium
RU2381079C1 (en) Method for dry dressing of ore materials
CN115870088A (en) Method for preparing 4N 5-grade high-purity quartz from pegmatite
Ackerman et al. A study of iron smelting at Lopanzo, Equateur Province, Zaıre
RU2452581C2 (en) Method of processing iron ore concentration wastes
TWI820935B (en) Iron making method
CN116921036A (en) Goethite, preparation method and application
RU2231420C1 (en) Method for producing iron powder
Chelgani et al. Magnetic Separation
Tolibov et al. Research and Development of Technology for the Extraction Copper, Iron and Other Precious Metals from Copper Slag
CA2421613A1 (en) Method for blast cleaning using ilmenite tailing particles
RU2458742C1 (en) Method of dressing oxide nickel ores
Stafeev Iron-ore enrichment by magnetic hydroseparation
SU452591A1 (en) Method of low-temperature magnetizing roasting of finely disseminated oxidized ferruginous quartzites
JPS54127810A (en) Shot or grit from converter dust for shot blast and preparation thereof
Edlund et al. Recovery of copper from converter slags by flotation
JPS60125332A (en) Method for producing iron powder from slag generated in ironworks
SU373027A1 (en) VPTB
Anatolivna et al. Perspectives of use of technogenic raw materials of the metallurgical enterprises as weighting compounds of mineral suspensions