论文部分内容阅读
1985年以来。由于原油性质变化及加工量的增加,催化分馏塔顶冷凝器(容301)排出的含硫污水带油多(含油3～8％),而且乳化严重(因卧式分离罐分离效果不够显著)。大量乳化油随污水进入汽提塔,造成塔的各项指标失控,仪表失灵,操作平稳率下降至70～80％。塔体脱硫效果下降,排水COD为3600ppm,硫121ppm,且乳化严重,影响了污水处理场的正常运行。大量轻质油
Since 1985. Due to the change of crude oil properties and the increase of processing volume, the sulfur-containing sewage discharged from the top of the catalytic distillation column (capacity 301) has more oil (3 to 8% of oil content) and has serious emulsification (the horizontal separation tank separation effect is not significant enough) . A large amount of emulsified oil enters the stripper with the sewage, causing various indicators of the tower to run out of control. The meter fails and the smooth operation rate drops to 70-80%. Desulfurization tower decreased body, drainage COD 3600ppm, sulfur 121ppm, and serious emulsification, affecting the normal operation of the sewage treatment plant. A lot of light oil