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石英管加热区温度控制系统
Authors
刘世滨
职廷照
郑来金
Publication date
1 January 1982
Publisher
《光通信研究》编辑部
Doi
Cite
Abstract
<正> 用MCVD法制造光纤预制棒时,原料在石英管内发生高温氧化反应,反应温度直接影响原料中各种成份的反应效率,从而直接影响光纤预制棒的质量。在温度控制系统中,调节对象为预制棒的原材料石英管,被调参数为石英管火焰加热区的温度,它们都有自己的一些特点。首先,调节对象是间歇工作的,每一个生产周期包括沉积过程和间歇过程两部分。它们之间倒换频繁,温度差别很大。其次,石英管是由氢氧喷灯移动加热的。火焰加热区,原料反应区都是在移动的。为了适应这些特点,我们选择具有各种功
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Last time updated on 26/01/2023