Spray coating for slag pot grid and use method thereof
A technology of spraying coatings and grids, which is applied in the field of waste treatment and comprehensive utilization in the metallurgical industry. It can solve the problems of low one-time removal rate, sticky slag and steel, etc., to improve dispersion and suspension, increase refractoriness, and increase adsorption performance effect
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Embodiment 1
[0057] Embodiment 1 provides a kind of spray coating for slag tank grid and its application method, and the raw material used for spray coating comprises the following components by weight percentage:
[0058] Steel slag powder is 50%, in steel slag powder, the mass fraction of 0.5mm<particle size≤1mm is 6%, the mass fraction of particle size is 0.076~0.5mm is 30%, and the mass fraction of particle size<0.076mm is 64% %;
[0059] Waste magnesia-aluminum spinel brick powder is 36%, in the waste lining bricks of ladle, the mass fraction of 0.5mm<particle size≤1mm is 7%, the mass fraction of particle size is 0.076~0.5mm is 36%, the particle size The mass fraction of <0.076mm is 57%;
[0060] Refining slag powder is 4%, fly ash is 3%, silica micropowder is 6.5%, dispersant is 0.45%, and binder is 0.05%, totaling 100%.
[0061] Steel slag powder is the steel slag tailings material obtained through hot stuffing, crushing, magnetic separation, and screening processes; waste magnesi...
Embodiment 2
[0064] Embodiment 2 provides a kind of spray paint for slag tank grid and its application method, and the raw material used for spray paint comprises the following components by weight percentage:
[0065] Steel slag powder is 45%. In steel slag powder, the mass fraction of 0.5mm < particle size ≤ 1mm is 10%, the mass fraction of particle size 0.076 ~ 0.5mm is 29%, and the mass fraction of particle size < 0.076mm is 61%. %; waste magnesia-alumina spinel brick powder is 35%, in the waste magnesia-alumina spinel brick powder, the mass fraction of 0.5mm<particle size≤1mm is 8%, the mass fraction of particle size is 0.076~0.5mm is 38%, the mass fraction of particle size <0.076mm is 54%; refining slag powder is 8%, fly ash is 6%, silica micropowder is 5%, dispersant is 0.8%, and binder is 0.2%. 100%.
[0066] Steel slag powder is the steel slag tailings material obtained from converter slag through hot stuffing, crushing, magnetic separation, and screening processes; waste magnesi...
Embodiment 3
[0069] Embodiment 3 provides a kind of spray coating for slag tank grid and its application method, and the raw material used for spray coating comprises the following components by weight percentage:
[0070] Steel slag powder is 40%. In steel slag powder, the mass fraction of 0.5mm < particle size ≤ 1mm is 12%, the mass fraction of particle size 0.076 ~ 0.5mm is 34%, and the mass fraction of particle size < 0.076mm is 54%. %; waste magnesia-alumina spinel brick powder is 38%, in the waste magnesia-alumina spinel brick powder, the mass fraction of 0.5mm
[0071] Steel slag powder is the steel slag tailings material obtained from converter slag after hot stuffing, crushing, magnetic separation, and screening processes; w...
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Abstract
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