Novel direct continuous casting slag washing mixed material and preparation process thereof
A technology of direct slag washing and mixing materials, applied in the field of direct slag washing mixed materials and its preparation, can solve problems such as insufficient refining capacity, and achieve the effects of improving slag composition, strong adsorption of inclusions, and fast melting speed
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Embodiment 1
[0025] The mixed material for direct slag washing in this embodiment is composed of the following components in parts by weight: 5 parts of aluminum powder, 65 parts of alumina powder, 20 parts of quicklime, 6 parts of silicon dioxide powder, and 4 parts of magnesium oxide powder.
[0026] Its preparation process comprises the following steps:
[0027] (1) Ball milling: Weigh the aluminum powder, alumina powder, quicklime, silicon dioxide powder, and magnesium oxide powder in the above proportions with a balance, put them into a ball mill pot respectively, and mill them on a roller ball mill for 20 hours at a speed of 1000r / min. Obtain micron powder;
[0028] (2) Drying: Put the slurry obtained in step 1 into a vacuum drying oven for vacuum drying. The vacuum degree is 0-0.35Pa, and the drying temperature is controlled at 35-100°C for 20 ~54h;
[0029] (3) Mixing: Take the dried micron powder obtained in step 2, except the aluminum powder, weigh the raw materials of each com...
Embodiment 2
[0034] The mixed material for direct slag washing in this embodiment is composed of the following components in parts by weight: 15 parts of aluminum powder, 55 parts of alumina powder, 20 parts of quicklime, 6 parts of silicon dioxide powder, and 4 parts of magnesium oxide powder.
[0035] Its preparation process is with embodiment 1.
Embodiment 3
[0037] The mixed material for direct slag washing in this embodiment is composed of the following components in parts by weight: 25 parts of aluminum powder, 45 parts of alumina powder, 20 parts of quicklime, 6 parts of silicon dioxide powder, and 4 parts of magnesium oxide powder.
[0038] Its preparation process is with embodiment 1.
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