AlCaSi composite deoxidizer
The technology of compound deoxidizer and deoxidizer is applied in the field of steel smelting and manufacturing, which can solve the problems of affecting the mechanical properties of steel and shortening the service life of steel, and achieve the effects of fast reaction speed, cost saving and time shortening.
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[0017] Example 1
[0018] An AlCaSi composite deoxidizer, the deoxidizer includes raw materials with the following mass fractions: 15-25% aluminum powder, 8-12% CaO, 2-5% boron carbide, 5-8% boron phosphide , 20-25% silicon dioxide, and the balance is ferrous sulfide; the CaO is granular, and the aluminum powder is wrapped inside each granular CaO.
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[0019] Example 2
[0020] A preparation method of AlCaSi composite deoxidizer, specifically comprising the following steps:
[0021] Step S1, mix 120g of CaO and 100g of water evenly, and stir into a paste;
[0022] Step S2, add 180 g of aluminum powder to a part (about half) of the paste-like CaO, stir and mix evenly to form a spherical particle structure, then dry the spherical particles, and then put them in the remaining paste-like CaO to make the CaO wrapped on spherical particles;
[0023] In step S3, 40 g of boron carbide, 70 g of boron phosphide, 200 g of silicon dioxide, and 490 g of ferrous sulfide are processed into particles, which are mixed with the particles prepared in step S2.
Example Embodiment
[0024] Example 3
[0025] A preparation method of AlCaSi composite deoxidizer, specifically comprising the following steps:
[0026] Step S1, mix 80g of CaO and 60g of water evenly, and stir into a paste;
[0027] Step S2, add 150 g of aluminum powder to part (about half) of the paste-like CaO, stir and mix evenly to form a spherical particle structure, then dry the spherical particles, and then put them in the remaining paste-like CaO to make the CaO wrapped on spherical particles;
[0028] In step S3, 50 g of boron carbide, 80 g of boron phosphide, 250 g of silicon dioxide, and 390 g of ferrous sulfide are processed into particles, and then mixed with the particles prepared in step S2.
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