300kt/a硫磺制酸装置耐腐蚀材料的选用

Selection of Corrosion proof Materials for a 300kt/a Sulfur-based Sulfuric Acid Plant

长周期稳定运行是大型硫酸装置必须具备的条件。介绍了 30 0kt/a硫磺制酸装置设计中 ,某些关键设备和管道选材的基本原则 ,并对不锈钢、Lewmet合金等耐腐蚀材料的选用进行分析 。

The long term stable operation is a necessary condition of the large sized sulfuric acid plants.The author lists basic principles for selection of materials for some critical equipment and pipelines in the design of a 300?kt/a sulfur based sulfuric acid plant,analyzes the selectoin of stainless steel,Lewmet alloy and other corrosion proof materials,and points out the important role those high quality anti corrosion materials plays in ensuring the long stable operation of the plant.