The iron brought in by the ore in the mixture all enters the sinter.
Let Fe and Fe' denote the iron content of the self-fluxing sintered ore and the mixed ore;
SiO 2 ', CaO' and L respectively represent SiO 2 and CaO and % burnout in the mixed ore;
CaO" is the content of effective CaO in limestone ;
O is the amount of oxygen brought into the sinter after the CaO is deducted by limestone, %;
Ac is the total value of each component brought into by the coke ash in the sinter, in kilograms per 100 kilograms of sintered ore.
The amount of sinter obtained from 100 kg of mixed ore is:
1) The amount of ore 100 kg entering the sinter is (100-L) kg;
2) The number of CaO that should be formulated in 100 kg of ore is (SiO 2 '•R-CaO') kg;
3) Component values ​​other than CaO brought in by the addition of limestone 
kilogram;
4) 100 kg of ore-forming sinter is brought into the amount Ac by coke ash. Therefore, the amount of sinter produced by 100 kilograms of ore is A kilograms:
Example: The chemical composition of the mixed ore produces the iron content of the sinter.
The amount of sinter produced by 100 kg of mixed ore is (100-0.96) kg. The amount of CaO to be blended:
16.6×1.2-0.23=19.92-0.23=19.69 kg Other composition values ​​brought in by limestone:
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