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该文介绍了黑龙江石油化工厂RFCCU在运行中分馏塔底结焦,并针对此问题,提出改造分馏塔底滤焦器,向油浆系统中加入NS－13油浆阻垢剂,在生产中调整分馏塔操作参数,保证RFCCU正常运行.“,”The paper introduces close - burning in the bottom of RFCCU fractionating column during operating against the question, reforming of filter for close- buring in the bottom of fractinating column is put forward, NS - 13 thick Liquid of oil antisludging agent is add into thick liquid of oil system, the operating parameter of fractionating column is adjusted during menufacturing, RFCCU regular running is guaranleed.