Composite molten steel slag washing agent based on LF (ladle furnace) refining waste slag and preparation method thereof
A technology for refining waste slag and composite slag, which is applied in the field of auxiliary materials, can solve the problems of unspecified ladle furnace refining waste slag, unscientific and reasonable composition and preparation method, etc., and achieves the effect of high sulfur capacity
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Embodiment 1
[0020] The percentages by weight of the LF furnace refining waste residue, active lime and industrial soda in this embodiment are: LF furnace refining waste residue: 74%, active lime: 17%, and industrial soda: 9%.
[0021] LF furnace refining waste slag includes the following components by weight percentage: CaO: 57%, Al 2 o 3 : 31%, SiO 2 : 6%, MgO: 5%, MnO+FeO: 0.8%, P 2 o 5 : 0.02%, S: 0.18%.
[0022] Active lime consists of the following components by weight percentage: CaO: 93%, SiO 2 : 5%, MgO: 2%.
[0023] The particle size of LF furnace refining waste residue is 0.5mm; the particle size of active lime is 0.5mm, and the activity degree of active lime is 350ml / 4N-HCl; the particle size of industrial soda is 0.5mm.
[0024] The preparation method of the molten steel composite slag lotion based on the LF furnace refining waste slag of this embodiment first crushes the LF furnace refining waste slag to a particle size of 0.5 mm, crushes the active lime to a particle siz...
Embodiment 2
[0027] The percentages by weight of the LF furnace refining waste residue, active lime and industrial soda in this embodiment are: LF furnace refining waste residue: 65%, active lime: 30%, and industrial soda: 5%.
[0028] LF furnace refining waste slag includes the following components by weight percentage: CaO: 50%, Al 2 o 3 : 35%, SiO 2 : 8%, MgO: 6%, MnO+FeO: 0.7%, P 2 o 5 : 0.01%, S: 0.29%.
[0029] Active lime consists of the following components by weight percentage: CaO: 94%, SiO 2 : 3%, MgO 3%.
[0030] LF furnace refining waste slag particle size 2.0mm; activated lime particle size 2.0mm, active lime activity 360ml / 4N-HCl; industrial soda particle size 0.8mm.
[0031] The preparation method of the molten steel composite slag lotion based on the LF furnace refining waste slag of this embodiment first crushes the LF furnace refining waste slag into a particle size of 2.0 mm, crushes the active lime into a particle size of 2.0 mm, and crushes the industrial soda i...
Embodiment 3
[0034] The percentages by weight of the LF furnace refining waste residue, active lime and industrial soda in this embodiment are: LF furnace refining waste residue: 85%, active lime: 10%, and industrial soda: 5%.
[0035] LF furnace refining waste slag includes the following components by weight percentage: CaO: 60%, Al 2 o 3 : 25%, SiO 2 : 7%, MgO: 7%, MnO+FeO: 0.74%, P 2 o 5 : 0.01%, S: 0.25%.
[0036] Active lime consists of the following components by weight percentage: CaO: 90%, SiO 2 : 6%, MgO: 4%.
[0037] LF furnace refining waste slag particle size 3.0mm; activated lime particle size 3.0mm, active lime activity 380ml / 4N-HCl; industrial soda particle size 1.0mm.
[0038] The preparation method of the molten steel composite slag lotion based on the LF furnace refining waste slag of this embodiment first crushes the LF furnace refining waste slag to a particle size of 3.0 mm, crushes the active lime to a particle size of 3.0 mm, and crushes the industrial soda to ...
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