A kind of magnesia environmental protection taphole clay for submerged arc furnace and preparation method thereof
A submerged arc furnace and magnesia technology, which is applied in the field of magnesia environmental protection taphole clay for submerged arc furnaces and its preparation, can solve the problem of carbon oxidation in the material, which cannot be effectively solved, reduce the corrosion resistance of the material, and increase the amount of smelting metal. Phosphorus and other issues, to achieve the effect of no decline in performance and operating performance, excellent volume stability, and reducing internal stress
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Embodiment 1
[0040] Magnesium Environmental Protection of Magnesium and Its Preparation Methods for Mineral Heating Furnaces. The preparation method of this embodiment is:
[0041] First take 40% by weight sintered magnesium sand, 15 wt% magnesia, 10% by weight of zirconia stone fine powder, 15 wt% silicon carbide fine powder, 5 wt% silicon line stone fine powder, 10 wt% of seafubbles Powder, 1 wt% single silicon fine powder, 1 wt% of the ball well-powder, 1 wt% microcrystinal graphite fine powder and 2 wt% of the cerium oxide micro powder are raw materials, and then add 0.1% by weight of polypropylene fibers, 1 wt% Trimethyl glycine and 20 wt% composite binding agent, wet milling for 30 minutes, then crushed into the mortium, and the mineral heat furnace was produced by magnesium.
[0042] The composite binding agent is made of 20 wt% nickel-modified phenolic resin and 80% by weight modified tar.
Embodiment 2
[0044] Magnesium Environmental Protection of Magnesium and Its Preparation Methods for Mineral Heating Furnaces. The preparation method of this embodiment is:
[0045] First take 60 wt% sintered magnesium sand, 5 wt% magnesia, 12 wt% zirconia stone fine powder, 5 wt% silicon carbide fine powder, 5 wt% silicon line stone fine powder, 5 wt% of seafubbles Powder, 2 wt% of single-piece silicon fine powder, 2 wt% ball well-powder, 3 wt% microcrystinal graphite micro powder and 1 wt% of the fine powder fine powder, plus the raw material 0.3% by weight of polypropylene fibers, 3 wt% Trimethyl glycine and 8 wt% composite binding agent, wet milling for 15 minutes, then crushed into mud, and produced magnesium-containing cannon.
[0046] The composite binding agent is made of 23 wt% nickel-modified phenolic resin and 77 wt% modified tar.
Embodiment 3
[0048] Magnesium Environmental Protection of Magnesium and Its Preparation Methods for Mineral Heating Furnaces. The preparation method of this embodiment is:
[0049] First, 42 wt% sintered magnesium sand, 6 wt% magnesium Alon, 20 wt% zirconia stone fine powder, 7 wt% silicon carbide fine powder, 8 wt% silicon line stone fine powder, 6 wt% sea bubbles Powder, 5 wt% of single-tapered silicon powder, 3 wt% ball well-powder, 2 wt% microcrystinal graphite micro powder and 1 wt% of cerium oxide micro powder are raw materials, and then add 0.2% by weight of polypropylene fibers, 2 wt% Trimethyl glycine and 15 wt% composite binding agent, wet milling for 20 minutes, then crushed into the crushing machine, producing mineral heat furnace magnesium environmentally friendly.
[0050] The composite binding agent is made of 25 wt% nickel-modified phenolic resin and 75 wt% modified tar.
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