Laboratory Experiences in the Heat Hardening of Australian,A small static bed was used to study the thermal cycles required for the heat hardening of pellets based on synthetic magnetite concentrates and a naturally fine hematite This apparatus can be employed to yield broad process data for the design of a recuperative strand system operating on the magnetite concentrates Various alternatives are given... As a leading global manufacturer of crushing equipment, milling equipment,dressing equipment,drying equipment and briquette equipment etc. we offer advanced, rational solutions for any size-reduction requirements, including quarry, aggregate, grinding production and complete plant plan.
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A small static bed was used to study the thermal cycles required for the heat hardening of pellets based on synthetic magnetite concentrates and a naturally fine hematite This apparatus can be employed to yield broad process data for the design of a recuperative strand system operating on the magnetite concentrates Various alternatives are givenRead more +
Outotecs traveling grate pelletizing process consists of a green balling section where after the mixing stage green pellets are formed either by rolling on discs or in drums The green pellets are then screened and heathardened in the indurating furnace The process comprises four steps Raw material preparation and mixingRead more +
US2750273A US365752A US36575253A US2750273A US 2750273 A US2750273 A US 2750273A US 365752 A US365752 A US 365752A US 36575253 A US36575253 A US 36575253A US 2750273 A US2750273 A US 2750273A Authority US United States Prior art keywords pellets layer burning zone iron ore green Prior art date 19530702 Legal status The legal status is an assumption and is not aRead more +
Jul 10 2017 · The iron ore pelletizing process consists of three main steps Pelletizing feed preparation and mixing the raw material iron ore concentrate additivesanthracite dolomiteand binders are prepared in terms of particle size and chemical specifications dosed and mixed together to feed the pelletizing processRead more +
The term induration describes the hardening of a powdery substance For example in steel production iron ore pellets are fed into melt furnaces To avoid dusting and loss of ore small oxide particles are agglomerated by sintering Although initially applied to iron ore soon the briquette agglomeration concept spread to a variety of materials 21Read more +
Pelletizing is a process which involves mixing of very finely ground particles of iron ore fines having a size which is less than 200 mesh 0074 mm with additives like bentonite and then shaping them into near ovalspherical balls having size in the range of 8 mm to 16 mm in diameter by a pelletizer and hardening the balls by firing with a fuelRead more +
Jan 01 2012 · Pelletizing differs from other agglomeration techniques in that the powdered ore is first formed into a “green” pellet or ball which is then dried and hardened in a separate step usually by heating Green pellets are made by combining moist ore with a binder and rolling it into balls using either a pelletizing disk or a pelletizing drumRead more +