Calcium base desulfurizing agent applied to KR desulfurizing process and preparation method thereof
A desulfurization process and desulfurization agent technology, applied in the field of iron and steel metallurgy and steelmaking, can solve the problems of difficult process preservation, low utilization rate, light specific gravity of powdery desulfurizer, etc.
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Embodiment 1
[0017] 1) Use high-quality lime and fluorite, in which the CaO content in the lime is ≥88%, the activity is ≥300, and the fluorite CaF 2 Content ≥ 80%. Both are crushed to 1-2mm by vertical crusher.
[0018] 2) The crushed lime particles are conveyed to the circular drum coating machine through the belt, and the methyl silica gel powder with a total mass of 0.7% of the lime particles is evenly distributed at the coating machine. During the rotation of the drum, the lime particles naturally absorb the methyl silica gel powder, and the process is completed. Lime particle coating, so as to solve the problem of moisture absorption gouache.
[0019] 3) The coated lime particles are evenly mixed according to the ratio of 90wt% of coated lime particles and 10wt% of fluorite particles, and then transported by belt to a sealed silo for storage and use.
[0020] The granular desulfurizing agent obtained in this example has good waterproof effect, and the lime particles are not hardene...
Embodiment 2
[0022] 1) Use high-quality lime and fluorite, in which the CaO content in the lime is ≥88%, the activity is ≥300, and the fluorite CaF 2 Content ≥ 80%. Both are crushed to 1-2mm by vertical crusher.
[0023] 2) The crushed lime particles are conveyed to the circular drum coating machine through the belt, and the methyl silica gel powder with a total mass of 0.5% of the lime particles is evenly distributed at the coating machine. During the rotation of the drum, the lime particles naturally absorb the methyl silica gel powder, and the process is completed. Lime particle coating, so as to solve the problem of moisture absorption gouache.
[0024] 3) The coated lime particles are uniformly mixed according to the ratio of 95wt% of coated lime particles and 5wt% of fluorite particles, and then transported by belt to a sealed silo for storage and use.
[0025] The granular desulfurizing agent obtained in this example has good waterproof effect, and the lime particles are not harde...
Embodiment 3
[0027] 1) Use high-quality lime and fluorite, in which the CaO content in the lime is ≥88%, the activity is ≥300, and the fluorite CaF 2 Content ≥ 80%. Both are crushed to 1-2mm by vertical crusher.
[0028] 2) The crushed lime particles are conveyed to the circular drum coating machine through the belt, and the methyl silica gel powder of 1% of the total mass of the lime particles is evenly distributed at the coating machine. During the rotation of the drum, the lime particles naturally absorb the methyl silica gel powder, and the process is completed. Lime particle coating, so as to solve the problem of moisture absorption gouache.
[0029] 3) The coated lime particles are evenly mixed according to the ratio of coated lime particles 85wt% and fluorite particles 15wt%, and then transported by belt to a sealed silo for storage and use.
[0030] The granular desulfurizing agent obtained in this example has good waterproof effect, and the lime particles are not hardened or pul...
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