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提高氯化氫合成热能利用率的方法

返回打印发布时间：2013/5/8 点击：9719

在合成氯化氫的过程中，会产生大量反应热能，这些热能完全可以用作转化蒸汽使用。那么具体该如何操作呢？

氯化氫合成余热利用技术中，副产中压蒸汽合成炉在高温区段，使用钢制水冷壁炉筒；在合成段顶部和底部钢材容易受腐蚀的区段，采用石墨材料制作。采用这种方法既克服了石墨炉筒强度低和使用温度受限制的缺点，又克服了合成段的顶部和底部容易腐蚀的缺点，从而使氯化氫合成的热能利用率提高到70%，副产蒸汽压力可在0.2～1.4兆帕间任意调节，可并入中、低压蒸汽网使用，使热能得到充分利用。

对于氯化氫合成中的热能利用，目前国内主要采用两种方法：一种是使用钢制水夹套氯化氫合成炉副产热水，这种钢合成炉在炉顶部和底部容易受腐蚀，使用寿命短，副产的热水应用范围有限；另一种是使用石墨制的氯化氫合成炉副产热水或0.2～0.3兆帕压力的蒸汽，由于石墨是非金属脆性材料，不仅安全上存在一定隐患，而且副产的热水或低压蒸汽热能利用只能达到40%，应用范围同样有限。
高效高利用率的氯化氫热能利用法，可以使副产热能得到更好的利用。氯化氫

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