The process water stripping tower for the 220 kt/a ethylene plant of a company had problems such as clogged packing and poor packing at the end of its operation.The operation was optimized by adding level gauges to the process water stripping tower,increasing the scale removal frequency of the system and injecting dispersant,so as to solve or alleviate the blockage in the packing layer of the process water stripping tower.Through online isolation and repair of the process water stripping tower,the operation bottleneck of process water system was solved.
关键词
工艺水汽提塔/结垢堵塞/在线检修
Key words
process water stripping tower/scaling and blockage/online maintenance