FIELD: metallurgy.
SUBSTANCE: method for manufacturing agglomerates comprises the stage of heat treatment of a powder containing iron oxide having 50% of particles with a diametre of 2 mcm or less at a heating temperature of 900-1200 °C to obtain a heat-treated powder, 50% of the particles of which has a diametre of 4 mcm or more, and the stage of granulating the resulting heat-treated powder to form agglomerates. The granulation is carried out by rolling granulation. The heat treatment is carried out for a heating period of 30 minutes or more preferably when rolling a powder containing iron oxide. It is possible to use an enrichment rejects which represent a precipitate remaining after the recovery of Ni from the nickel-containing ore as a powder containing iron oxide.
EFFECT: obtaining agglomerate with high physical properties.
6 cl, 5 dwg, 2 tbl, 1 ex
Title |
Year |
Author |
Number |
PARTICLES OF STARTING MATERIAL FOR MAKING AGGLOMERATE, METHOD OF PRODUCING PARTICLES OF STARTING MATERIAL FOR MAKING AGGLOMERATE, METHOD OF PRODUCING AGGLOMERATE, METHOD OF PRODUCING REDUCED IRON |
2021 |
- Higuchi Takahide
- Yamamoto Tetsuya
- Terui Koki
|
RU2836975C2 |
NANO-CRYSTAL SINTERED BODIES ON BASE OF ALPHA-OXIDE OF ALUMINIUM, METHOD OF THEIR FABRICATION AND IMPLEMENTATION |
2006 |
|
RU2383638C2 |
METHOD FOR PRODUCTION OF FREE-FLOWING AGGLOMERATED FILLED FLUOROPOLYMERS |
1990 |
- Blank L.A.
- Andreeva A.I.
- Fledlider Eh.I.
- Meshcherjakov S.K.
- Martjushov G.A.
- Luk'Janov V.V.
|
RU2050379C1 |
PROPPANT, METHOD OF PRODUCTION AND METHOD OF HYDRAULIC BREAK OF FORMATION USING PRODUCED PROPPANT |
2007 |
- Khose Rafaehl' Ferrero Silva
- Pershikova Elena Mikhajlovna
|
RU2383578C2 |
POWDER OF VALVE METAL, ITS APPLICATION FOR RECEIVING OF CONDENSERS WITH HARD ELECTROLYTE AND METHOD OF RECEIVING OF VALVE METAL POWDER |
2003 |
- Leffel'Khol'Ts Jozua
- Zajeda Khadi
- Vol'F Rjudiger
- Rajkhert Karlkhajnts
- Shnitter Kristof
|
RU2361700C2 |
PROPPANT PRODUCTION METHOD AND PROPPANT |
2016 |
- Mozhzherin Vladimir Anatolevich
- Sakulin Vyacheslav Yakovlevich
- Novikov Aleksandr Nikolaevich
- Migal Viktor Pavlovich
- Salagina Galina Nikolaevna
- Simanovskij Boris Abramovich
- Rozanov Oleg Mikhajlovich
|
RU2644369C1 |
METHOD FOR OBTAINING PROPPANT |
2021 |
- Agapeev Leonid Evgenevich
- Borisov Dmitrij Viktorovich
|
RU2783399C1 |
PROCESS FOR ADDITIVE MANUFACTURING OF PARTS BY MELTING OR SINTERING PARTICLES OF POWDER USING HIGH-ENERGY BEAM WITH POWDERS ADAPTED TO TARGETED PROCESS/MATERIAL PAIR |
2014 |
- Kolen, Kristof
- Kirshner, Letisiya
|
RU2682188C2 |
EXTRACTION METHOD OF METALS, MAINLY NICKEL AND COBALT, FROM OXIDISED ORES |
2013 |
- Baskov Dmitrij Borisovich
- Bychkov Aleksej Galaktionovich
|
RU2568223C2 |
METHOD OF PRODUCING REDUCED IRON AGGLOMERATES |
2013 |
- Kikuti, Soiti
- Kharada, Takao
- Josida, Singo
|
RU2596730C2 |