Modeling and Optimization of Cement Raw Materials Blending Process

Table 4

Chemical compositions of cement original materials in certain sampling period [2].

Material type	Loss; (%)	SiO2; (%)	Al2O3; (%)	Fe2O3; (%)	CaO; (%)	MgO; (%)	SO3; (%)	K2O; (%)	Na2O; (%)	Cl; (%)
Limestone	40.09	8.52	1.23	1.31	46.05	2.49	0.02	0.21	0.07	0.0243
Clay	7.99	62.74	17.94	4.06	2.40	0.94	0.64	3.25	0.00	0.09
Iron	24.74	7.92	50.27	13.01	2.94	0.79	0.14	0.19	0.00	0.25
Correction	30.25	3.15	21.30	38.55	5.17	1.53	0.05	0.00	0.00	0.013
Coal ash	0.00	44.77	26.04	4.49	8.42	1.67	0.95	0.62	0.00	0.043

Assuming the cost and bond power index for the cement material in Table 4 are 24.00 ¥/ton, 25.00 ¥/ton, 50.00 ¥/ton, 30.00 ¥/ton, 28.70 ¥/ton, 12.45 Kwh/ton, 12.10 Kwh/ton, 18.98 Kwh/ton, 14.70 Kwh/ton, and 15.66 Kwh/ton, respectively.