Cracking appeared on a great number of places of welds after the waste water tank was commissioned less than 1 year ago.
某污水罐投用不到1年,便在焊缝部位多处出现开裂,经分析为硫化物应力腐蚀开裂和氢致开裂。
This paper summarizes the outside hydraulic cleaning method of large waste water tank of waste water stripping unit in the refinery and puts emphasis on description of preparation before cleaning and some key problems during cleaning.
对炼油厂污水汽提装置原料污水罐的罐外水力清理方法进行了总结,重点叙述了清罐的前期准备工作,及整个施工过程应注意的关键事项。
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