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gui bang peng bi jian ce zhuang zhi she ji
Author(s): 
Pages: 62
Year: Issue:  4
Journal: Electrical Manufacturing

Abstract: 多晶硅还原炉是生产多晶硅的主要装置,炉内竖有高2.8 m,直径仅有几厘米的硅棒.通过调压柜使炉子的温度维持在1 080℃,炉内的硅棒会逐渐熔化,硅棒会变软,直径相应变粗,达到一定的粗度时提炼成功.但提炼的同时硅棒变软可能会偏倒碰壁,由于其温度比炉壁高200℃左右,会导致硅棒把炉壁烧坏,炉壁造价很高,这将造成巨大的经济损失.……
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