Superlight, carbonless granular ladle covering agent resource saving and environment type
An environmentally friendly, ladle covering agent technology
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[0005] Example 1 The chemical composition (by weight) of the ultra-light, carbon-free granular ladle covering agent is calculated as calcium oxide 27.8Kg, silicon dioxide 58.7Kg, magnesium oxide 4.9Kg, aluminum oxide 6.1Kg, and iron oxide 0.4 Kg, sodium oxide 0.1Kg, add 2Kg corn starch ---- food grade organic binder, add appropriate amount of water as needed, mix well, extrude and granulate (φ5∽8mm cylinder, length 5∽25mm), baking Until the moisture content of the finished product is less than or equal to 1%, the finished product is packaged and put into storage after cooling.
Example Embodiment
[0006] Example 2 The chemical composition (by weight) of the ultra-light, carbon-free granular ladle covering agent is calculated as calcium oxide 15Kg, silicon dioxide 68Kg, magnesium oxide 3Kg, aluminum oxide 10Kg, iron oxide 1.9Kg, sodium oxide 0.1Kg, add 2Kg corn starch ---- food grade organic binder, add appropriate amount of water as needed, stir evenly, squeeze and granulate (φ5∽8mm cylinder, length 5∽25mm), bake until the finished product moisture ≤ 1%, the finished product will be packaged and put into storage after cooling.
Example Embodiment
[0007] Example 3 Calculate the chemical composition (by weight) of the ultra-light, carbon-free granular ladle covering agent: 44Kg of calcium oxide, 49Kg of silicon dioxide, 1Kg of magnesium oxide, 2Kg of aluminum oxide, 1Kg of iron oxide, 1Kg of sodium oxide , Add 2Kg corn starch ---- food grade organic binder, add appropriate amount of water as needed, stir evenly, extrude and granulate (φ5∽8mm cylinder, length 5∽25mm), bake until the finished product moisture is ≤1% , Pack and store the finished product after cooling.
[0008] Ultra-lightweight, carbon-free granular ladle covering agent has good molding properties, good initial strength and late strength, low powder content, no pollution to molten steel and the environment, density is adjustable between 0.4∽0.7, and can be satisfied Refractory ladle molten steel with different capacities and different materials needs heat preservation, which can stabilize the drawing speed and make continuous casting go smoothly. After use, th...
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