热媒炉换热器的管程和壳程经常会因导热油过热结焦形成堵塞或导热效率下降，采用物理清洗方法效果甚微。本工作以中海石油（中国）有限公司天津分公司龙口天然气处理终端（以下简称龙口终端）热媒炉的防腐蚀清洗系统维护工程为基础，建立了利用热媒炉原有系统循环泵进行强制化学清洗的维护新工艺，达到了除垢和防腐蚀的双重维护效果。实践证明，该清洗流程简捷、高效，适用于生产应用，可有效提高设备的安全运行质量。
The tube side and shell side of heat medium heaters are susceptible to be blocked due to the coking and the heat efficiency may be reduced due to superheat. Traditional physical cleaning method is time and labour consuming; and hard to reach good anti-scaling result. In order to achieve the cleaning effect and corrosion prevention, the maintaining and cleaning project of the heat medium heater in Longkou natural gas supplier termination of China Petroleum Cooperation （Longkou Termination for abbreviation） was taken as a basis, the technology of anti-scaling cleaning by chemical interfacial active agent was studied. It is shown that the technology has good performance. It can be used in oil industry well and enhance the safe operation effectively.
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