摘 要:從機理、工況兩方面分析了180萬t/a煤制甲醇項目之德士古水煤漿加壓氣化裝置水系統(tǒng)結(jié)垢、堵塞的原因;提出了安裝除氧器、使用高效絮凝劑、添加純堿降低水系統(tǒng)永久硬度等技改措施。結(jié)果表明:水系統(tǒng)結(jié)垢問題得到了有效緩解。
關(guān)鍵詞:水煤漿氣化裝置;水系統(tǒng);結(jié)垢;技改措施
doi:10.3696/j.issn.1004-8901.2012.04.015
中圖分類號:TQ223.121 文獻標識碼:B 文章編號:1004-8901(2012)04-0045-04
Fouling Reason and Technical Measure in Water System of Water Coal Slurry Gasification Plant in Project of Methanol Made by Coal with a Capacity of 1,800,000 t/a
YAN Guo-fu
(Shenhua Baotou Coal Chemical Engineering Company Ltd.,Baotou Inner Mongolia 014010 China)
Abstract:Author has analyzed the fouling and blockage and their reason for the water system of the Texico water coal slurry pressurized gasification plant in the project of methanol made by coal;has proposed the technical reformation measures,those were:installing de-aerator,using high effective flocculent,adding pure alkali to reduce permanent hardness in the water system and so on from two aspects of forming mechanism and operation conditions. Result....