再生塔捕集器支承圈腐蚀问题的探讨及改进措施

DISCUSSION ON CORROSION PROBLEM OF SUPPORT RING OF REGENERATOR MIST ELIMINATOR AND ITS IMPROVING MEASURES

关键词:  硫化氢,腐蚀,改进措施

Key words:  corrosion of H 2S, improving measure,

摘要:

本文从溶液pH值的变化、H2 S -CO2 -O2 的浓度、电化学腐蚀以及硫化铁腐蚀产物的组成等几个方面论述了影响天然气脱硫装置腐蚀的因素 ,并特别阐述了造成再生塔支承圈腐蚀的原因及其改进措施。

Abstract:

This paper discusses the different corrosion factors on equipment of desulfuring unit by pH variation of solution, concentration of H 2S-CO 2-O 2, electrochemical corrosion, composition and structure of iron sulfide, and particularly states the reasons