短程蒸馏在生产150BS光亮油中的应用研究  

Applied research of molecular distillation on 150BS production

作　　者：石威 陈春保 全庆烈 崔文龙[2] Shi Wei;Chen Chunbao;Quan Qinglie;Cui Wenlong(CNOOC Oil&Gas(Taizhou)Petrochemical Co.,Ltd.,Taizhou,Jiangsu 225300;Jiangsu Key Laboratory of Green Catalytic Materials and Technology,Jiangsu Advanced Catalysis and Green Manufacturing Collaborative Innovation Center,Changzhou University,Changzhou,Jiangsu 213164)

机构地区：[1]中海油气(泰州)石化有限公司,江苏省泰州市225300 [2]常州大学江苏省先进催化与绿色制造协同创新中心江苏省绿色催化材料与技术重点实验室,江苏省常州市213164

出　　处：《炼油技术与工程》2023年第3期23-26,共4页Petroleum Refinery Engineering

基　　金：江苏省产学研合作项目资助(FZ 20180440);重质油国家重点实验室开放基金资助项目(201702)。

摘　　要：短程蒸馏具有真空度高、压力降小、传热和传质效率高的特点,在分离高黏度、高沸点、热敏性物料方面有独特的优势。通过实验证明了短程蒸馏可用于分离N4016橡胶增塑剂和150BS光亮油的混合物料,并探索了操作温度、压力、进料量3个因素对轻组分收率的影响。通过产品性质分析和对比发现,与常规减压塔板分离相比,短程蒸馏对馏程选择性较差,但对黏度有极强的选择性。短程蒸馏有利于改善150BS黏度和倾点,但黏度指数略下降,150BS总收率有所提高。Molecular distillation has the characteristics of high vacuum,low pressure drop,high-efficiency of heat and mass transfer,and has advantages in separating high viscosity,high boiling point,and thermal sensitive feed.The feasibility of molecular distillation for separating N4016 and 150BS mixture is proved by experiments,and the effect of temperature,pressure,feed flow on the yield of light components is explored.Through the analysis and comparison of product properties,it is found that molecular distillation has poor selectivity for distillation range,but has strong selectivity for viscosity compared with vacuum tray distillation.Molecular distillation is beneficial to improve the viscosity and pour point of 150BS,but the viscosity index decreases slightly,and the total yield of 150BS can be increased.

关 键 词：短程蒸馏 150BS 光亮油 轻组分收率 重组分收率 分子自由程 

分 类 号：TE626[石油与天然气工程—油气加工工程] TQ028.31[化学工程]