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1. 发明授权

EP3024911B1 METHOD AND SYSTEM FOR CONTROLLING A HYDROCRACKER AND FRACTIONATOR 有权转让
公开(公告)号：EP3024911B1
公开(公告)日：2018-07-11
申请号：EP14756141.9
申请日：2014-07-24
申请人： Shell Internationale Research Maatschappij B.V.
发明人： REDELMEIER, Robert James
IPC分类号： C10G47/00 , C10G47/36 , C10G7/12
CPC分类号： B01J19/0033 , B01J2219/00164 , C10G7/12 , C10G47/00 , C10G47/36 , C10G2300/4081
摘要： A method and system for controlling a hydrocracker and fractionator reaction loop is disclosed. The method and system utilizes a sidedraw tray within the fractionator distillation zone upon which liquid is collected. This liquid is withdrawn as a sidedraw stream. The withdrawal of the liquid from the sidedraw tray is controlled based on the level of liquid on the sidedraw tray rather than at a set or determined flow rate. The sidedraw stream is separated into a first stream and a product stream. Unlike other processes where the flow rate of the product stream is set and the internal reflux flow rate varies, the method involves fixing the flow rate of the first stream that is returned to the distillation zone of the fractionators with the flow rate of the product stream being set so as to control the liquid level on the sidedraw tray.

2. 发明公开

EP3024911A1 METHOD AND SYSTEM FOR CONTROLLING A HYDROCRACKER AND FRACTIONATOR 有权转让
标题翻译： VERFAHREN UND系统ZUR STEUERUNG EINES HYDROCRACKERS UND FRAKTIONIERER
公开(公告)号：EP3024911A1
公开(公告)日：2016-06-01
申请号：EP14756141.9
申请日：2014-07-24
申请人： Shell Internationale Research Maatschappij B.V.
发明人： REDELMEIER, Robert James
IPC分类号： C10G47/00 , C10G47/36 , C10G7/12
CPC分类号： B01J19/0033 , B01J2219/00164 , C10G7/12 , C10G47/00 , C10G47/36 , C10G2300/4081
摘要： A method and system for controlling a hydrocracker and fractionator reaction loop is disclosed. The method and system utilizes a sidedraw tray within the fractionator distillation zone upon which liquid is collected. This liquid is withdrawn as a sidedraw stream. The withdrawal of the liquid from the sidedraw tray is controlled based on the level of liquid on the sidedraw tray rather than at a set or determined flow rate. The sidedraw stream is separated into a first stream and a product stream. Unlike other processes where the flow rate of the product stream is set and the internal reflux flow rate varies, the method involves fixing the flow rate of the first stream that is returned to the distillation zone of the fractionators with the flow rate of the product stream being set so as to control the liquid level on the sidedraw tray.
摘要翻译：公开了一种用于控制加氢裂化器和分馏器反应回路的方法和系统。该方法和系统利用在收集液体的分馏塔蒸馏区内的双侧托盘。这种液体作为一个侧面的流被撤回。基于双面托盘上液体的液位而不是以设定或确定的流速来控制液体从侧面托盘中的抽出。侧面描画流被分成第一个流和一个产品流。不同于其中设定产物流的流量和内部回流流量变化的其它方法，该方法包括将流出的第一流的流速固定在分馏器的蒸馏区中，同时产物流的流速被设置为控制双面纸盘上的液面。

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