SU128879A1 - The method of preparation of the sintering mixture - Google Patents

Description

Known methods of preparation of the sintering mixture nered sintering using roller crushers.

The peculiarity of the described method is that, in order to achieve a more complete mixing of the charge, improving its gas permeability and reducing fuel consumption, all components of the charge, including the return, are subjected to a two-fold reduction in rolls.

The drawing shows a diagram of the process of preparing the mixture with a double compression of it before sintering.

For drying the technological process, the scheme includes: sintering belt 1, screen 2, chute 3, screen 4 used for return sifting, charge bins 5 through which iron ore concentrate, limestone or chalk, coke and return are made belt conveyor 6, two roller crushers 7 with smooth rollers, the first crusher being installed before the mixer 8, and the second after it, the bunker 9 for feeding back to the bed and the bunker 10 through which the prepared mixture enters the sintering lengan for spcan and

All components of the mixture before serving in the bunkers are metered, then lz bunkers conveyor they served in the first rolls. After grinding and crimping, the mixture is fluxed, fuel is introduced into it, after which it is fed into a screw or blade mixer. In the mixer, the mixture is moistened and then fed to the second rolls. After the second reduction, the prepared mixture enters the feed hopper for feeding it to the sintering belt.

Subject invention

The method of preparing the sinter blend for sintering iron ore materials, characterized in that, in order to improve the blending of the charge, its gas permeability and reduce fuel consumption, the components of the charge, including the return, are subjected to a double reduction in rolls before and after the mixer.

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