Sintering method capable of improving sintering desulfurization rate
A sintering method and desulfurization rate technology, applied in the sintering field, can solve the problems of high sintering cost, high blast furnace sulfur load, and high fuel consumption, and achieve the effects of reducing the amount of coke used, improving the sintering desulfurization rate, and optimizing the sintering process.
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Embodiment 1
[0026] A sintering method for improving the sintering desulfurization rate and reducing fuel consumption, including four steps of batching, pelletizing, spreading and sintering;
[0027] (1) Ingredients: the raw material is vanadium-titanite powder with a particle size of 2 to 10 mm, wherein the weight of the vanadium-titanite powder with a particle size of 2 to 5 mm is 75% of the total iron ore powder weight;
[0028] The fuel is a mixture of coke powder and anthracite, wherein the total weight of coke powder is 40% of the total weight of the fuel, and the total weight of anthracite is 60% of the total weight of the fuel, and the mass percentage of each component selected for the anthracite is fixed carbon ≥ 69% %, S ≤ 1%, ash ≤ 20%, volatile content ≤ 10%, and anthracite particle size ≤ 3mm is 98% of the total anthracite mass.
[0029] The flux is a mixture of quicklime, hydrated lime, limestone and dolomite. The quality requirements of the selected quicklime are: CaO≥78% in...
Embodiment 2
[0035] A sintering method for improving the sintering desulfurization rate and reducing fuel consumption, including four steps of batching, pelletizing, spreading and sintering;
[0036] (1) Ingredients: the raw material is vanadium-titanite powder with a particle size of 2 to 10 mm, wherein the weight of the vanadium-titanite powder with a particle size of 2 to 5 mm is 75% of the total iron ore powder weight;
[0037] The fuel is a mixture of coke powder and anthracite, wherein the total weight of coke powder is 40% of the total weight of the fuel, and the total weight of anthracite is 60% of the total weight of the fuel, and the mass percentage of each component selected for the anthracite is fixed carbon ≥ 69% %, S ≤ 1%, ash ≤ 20%, volatile matter ≤ 10%, and anthracite particle size ≤ 3mm is 95% of the total anthracite mass.
[0038] The flux is a mixture of quicklime, hydrated lime, limestone and dolomite. The quality requirements of the selected quicklime are: CaO≥78% in ...
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