硫磺回收装置蒸汽过热器的换热流程优化  

Optimization of Heat Exchange Process of Steam Superheater in sulfur Recovery Unit

作　　者：钱慧琴 Qian Huiqin(Zhenhai Petrochemical Engineering Co.,Ltd,Ningbo 315042,China)

机构地区：[1]镇海石化工程股份有限公司,浙江宁波315042

出　　处：《宁波化工》2020年第3期20-24,共5页Ningbo Chemical Industry

摘　　要：硫磺回收装置蒸汽过热器利用烟气余热提升蒸汽温度,换热流程可有逆流、顺流和混合流三种方式。本文分析了三种蒸汽过热器换热流程的优缺点,并对蒸汽过热器进行换热流程优化,以提高焚烧温度,使烟气达标排放。The steam superheater in the sulfur recovery unit uses the waste heat of flue gas to increase the temperature of steam.The heat exchange process can be countercurrent,concurrent and mixed flow.The advantages and disadvantages of the three exchange processes are analyzed.The heat exchange process of steam superheater is optimized to increase the incineration temperature,so that the discharge to reach standard is realized.

关 键 词：硫磺回收 蒸汽过热器 换热流程 

分 类 号：TQ025.1[化学工程]