甲烷化工段废热锅炉开工煮炉防锈技术  

One Rust-removing Technology of Start-up Boiling for Waste Heat Boiler in the Coke Oven Gas Methanation Plant

作　　者：王英 Wang Ying

机构地区：[1]成都万疆久诚科技有限公司,四川成都610000

出　　处：《化工设计通讯》2021年第11期63-64,83,共3页Chemical Engineering Design Communications

摘　　要：煮炉是废热锅炉开工运行前的一道重要工序,煮炉的效果直接影响锅炉的使用效率及寿命。甲烷化工段废热锅炉开工煮炉采用由磷酸三钠(Na_(3)PO_(4)·12H_(2)O)和苛性钠(NaOH)组成的碱液进行煮炉,共历时185h,煮炉效果良好。详细介绍了煮炉的全过程及注意事项,以用于其他项目锅炉的开工煮炉和清洗除垢等操作。The boiling is an important process before exhaust heat boiler is started,because it directly affects the service efficiency and service life of boiler.This start-up boiling for waste heat boiler system in the coke oven gas methanation plant with alkali solution composed of Na_(3)PO_(4)·12H_(2)O and NaOH takes 185h,and the effect is satisfying.The paper illustrates the detailed this boiling’s whole process and points for attention,which could be used as the guideline of the start-up boiling and rust-removing operation for other projects.

关 键 词：锅炉 煮炉 磷酸三钠 余热回收 

分 类 号：TE665.3[石油与天然气工程—油气加工工程]