[1]张全斌,杨建国.超低排放机组烟气换热器搪瓷换热管应用[J].热力发电,2017,(9):130-134.
　ZHANG Quanbin,YANG Jianguo.Application study on enamel heat exchange tube in GGH of coal-fired units with ultra-low flue gas emission[J].Thermal Power Generation,2017,(9):130-134.
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超低排放机组烟气换热器搪瓷换热管应用

《热力发电》[ISSN:1002-3364/CN:61-1111/TM] 卷: 期数: 2017年9期 页码: 130-134 栏目: 发电技术论坛 出版日期: 2017-08-31
Title:
Application study on enamel heat exchange tube in GGH of coal-fired units with ultra-low flue gas emission
作者:
张全斌1; 杨建国2
1.浙江省能源集团有限公司，浙江 杭州 310007； 2.浙江大学能源清洁利用国家重点实验室，浙江 杭州 310027
Author(s):
ZHANG Quanbin1;  YANG Jianguo2
1. Zhejiang Provincial Energy Group Company Ltd., Hangzhou 310007, China; 2. State Key Laboratory of Clean Energy Utilization, Zhejiang University, Hangzhou 310027, China
关键词:
搪瓷; 换热管; 低温腐蚀; 烟气换热器; 超低排放; 酸露点; 防腐
分类号:
TK224.9
文献标志码:
B
摘要:
水媒管式烟气换热器（MGGH）是锅炉烟气超低排放处理系统的重要组成部分，其运行环境恶劣，换热管腐蚀机理复杂，解决换热管低温腐蚀是一项关键难题。通过换热管腐蚀机理分析，表明MGGH烟气再热器低温段处于第Ⅱ腐蚀严重区。对比提出2种控制低温腐蚀速率工程技术手段，满足要求的换热管材质为316L、DIN1.4529、包塑管和搪瓷管，通过研究、比选，发现选用搪瓷换热管可满足工程要求。从耐硫酸腐蚀能力、热传导性能、材料机械性能、防冲刷抗磨损能力以及工程造价等方面论证，搪瓷换热管有优异的耐低温腐蚀、抗磨损和热传导性能，且传热效果优于钢管，能很好地解决换热管低温腐蚀问题，具有重要的工程推广价值。

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备注/Memo

张全斌(1974－)，男，硕士，高级工程师，从事发电项目管理工作，zqb0111@163.com。

更新日期/Last Update: 2017-08-31