Ladle baking method in silicon smelting process
A technology of smelting process and baking method, which is applied in the direction of chemical instruments and methods, silicon compounds, inorganic chemistry, etc., can solve the problems of harsh working environment, long baking time, and high labor intensity, and achieve good working environment and baking The effect of short time and standardized operation site
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Embodiment 1
[0019] Example 1: Build a 6500mm long, 2900mm wide, and 2800mm high special well that can simultaneously bake two ladles at the silicon smelting and casting site, and make a heat accumulating plate with a length of 3000mm, a width of 3000mm, and a thickness of 100 mm 2 pieces, the diameter of the center hole is 1700mm, the surface of the heat accumulating plate has the function of heat accumulation, and the center hole has the function of heat transfer; when operating, first place the ladle to be baked in a special well, and then put the heat accumulating The plate is placed above the ladle, and the ladle opening must be coaxial with the center hole of the heat accumulating plate when placed. When baking, the ladle is preheated with silicon ingots condensed to black at a temperature of 400°C-600°C3 Once, for 2 hours each time, place a traditionally used cooling silicon rack on the heat accumulating plate, and then place the silicon ingot with a temperature of 800°C-1050°C just ...
Embodiment 2
[0020] Embodiment 2: For the baking method of the newly built ladle to be baked, the other conditions are the same as in Example 1, and the baking time and frequency are for each silicon ingot when the ladle is preheated using the waste heat on the silicon ingot. After baking for 2 hours, replace it, and replace it 6 times; after preheating, bake it. First, place a traditionally used cooling silicon rack on the heat accumulation plate, and place the silicon ingot with a temperature of 800°C-1050°C that has just been demoulded. Baking at a high temperature on a cooling silicon rack, and replacing each silicon ingot 12 times after baking for 2 hours.
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