... 预分馏塔 prefractionator ; preliminary fractionator 原油分馏塔 crude fractionating column 汽油分馏塔 gasoline splitter ...
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Gasoline fractionator is the first biggest tower equipment among furnace system and cracking gas compressor and separation refinery system. It’s one of the most important equipment and the bottleneck influencing the production capacity of the ethylene plant.
汽油分馏塔（DA-101）是乙烯装置裂解炉系统与裂解气压缩机、分离精制系统之间的第一大型塔器，是急冷系统中的重要设备之一，是影响乙烯装置生产能力提高的“瓶颈”部位之一。
参考来源 - 汽油分镏塔及急冷系统的模拟与优化·2,447,543篇论文数据，部分数据来源于NoteExpress
汽油分馏塔设计中的主要难题是如何从工艺及结构上解决气相聚合物和焦化物对填料和气液分布器的堵塞问题。
The main problem in design of gasoline fractionator is how to prevent blocking of gas phase polymer and coke pellets in packing and gas distributor.
汽油分馏塔第二层塔填料堵塞，全塔气-液传热传质状况恶化，使水降至塔釜引起“暴釜”，最终导致急冷油泵气蚀不上量。
Because the packings on the second plate were blocked by polymer, water from the reflux pump condensed and entered into the bottom of the tower to cause the cavitation of the pump.
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