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硅石生产工艺流程图
硅石生产工艺流程图
2021-12-24T01:12:46+00:00
一文了解工业硅上下游全部冶炼过程以及其产成品应用分
一、工业硅——新兴产业之源 金属硅又称工业硅，生产流程分为选矿、材料石以及冶炼三大部分。 其中选矿和采石是整个冶炼过程中基础也是最重要的一部分，硅石纯度质量将直接影响成品工业硅质量，对于考察合适矿床以及开采精度矿石提出一定要求 从成本构成看，每生产1吨工业硅大约需要消耗273吨硅石，2吨炭质还原剂，01013吨电极。 同时，冶炼过程还需要消耗大约1100013000度电能。 除上述原材料及耗电成本外，还包括一些其他费用，比如维护费用、折旧、人工成本等。 成本构成中，硅石、炭质 工业硅冶炼原材料及成本构成剖析 知乎 知乎专栏
多晶硅生产工艺 知乎 知乎专栏
5、硅石碳热还原法 硅石碳热还原法是利用C来还原SiO2进行多晶硅的制备， 反应方程式如下： SiO2+C=Si+CO2。 这种多晶硅制备方法经过Sintef公司改进后，生产过程如下：在离子回转炉中通过C对SiO2进行还原，得到产物SiC，再将SiC投入到电弧炉中继续和SiO2反应，可以得到液态的硅。生产工艺流程图 工业硅生产是在矿热炉内采用连续作业法进行冶炼的，采用全木炭Charcoal冶炼为其主要的生产工艺。 硅石木炭石油焦煤 破碎筛粉破碎 筛粉 (8～80㎜) (5～100㎜) (0～30㎜) (6～10㎜) 合格料合格料合格料合格料 称量称量称量称量 工业硅生产工艺流程图 百度文库
工业硅工艺流程 百度文库
工业硅工艺流程 该工程所用的全油焦高纯工业硅生产技术，是对我国工业硅生产技术在生产领域内的创新，填补了国内空白，有利于我国有机硅行业及多晶硅太阳能电池行业的整体提升。 工艺流程简述：该工程采用的工艺技术路线是：首先将合格硅石用水清洗 27 Mar 2012 2改良西门子法生产多晶硅的工艺流程 （改良西门子法工艺流程示意图） 改良西门子法是一种化学方法，首先利用冶金硅（纯度要求在995%以上）与氯化氢（hcl）合成产生便于提纯的三氯氢硅气体（sihcl3，下文简称tcs），然后将tcs精馏提纯，最后通过还原 多晶硅研究系列1：三大生产工艺的比较 雪球
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