石油化工设备
石油化工設備
석유화공설비
Petro-Chemical Equipment
2015年
5期
68-71
,共4页
热交换器%液化天然气%循环水系统%结垢%腐蚀
熱交換器%液化天然氣%循環水繫統%結垢%腐蝕
열교환기%액화천연기%순배수계통%결구%부식
heat exchanger%liquefied natural gas%circulating water system%fouling%corrosion
通过对循环水系统水质和运行工况的监测，分析了液化天然气厂液化单元热交换器结垢与腐蚀产生的原因，对结垢与腐蚀的相互影响进行了探讨，并对流速、pH 值、细菌、加药量等因素对热交换器结垢与腐蚀的影响进行分析，给出了解决方法与建议。
通過對循環水繫統水質和運行工況的鑑測，分析瞭液化天然氣廠液化單元熱交換器結垢與腐蝕產生的原因，對結垢與腐蝕的相互影響進行瞭探討，併對流速、pH 值、細菌、加藥量等因素對熱交換器結垢與腐蝕的影響進行分析，給齣瞭解決方法與建議。
통과대순배수계통수질화운행공황적감측，분석료액화천연기엄액화단원열교환기결구여부식산생적원인，대결구여부식적상호영향진행료탐토，병대류속、pH 치、세균、가약량등인소대열교환기결구여부식적영향진행분석，급출료해결방법여건의。
Through monitoring of water quality and operating conditions of circulating water sys-tem,the scaling and corrosion problems of heat exchanger in liquefaction unit of liquefied natural gas plant was analyzed and the interaction of scaling and corrosion was discussed.Influential fac-tors on the heat exchanger such as flow velocity,pH,bacteria and inhibitor concentration are dis-cussed.Solutions and suggestions were also provided.
