公开(公告)号：US20150063407A1

公开(公告)日：2015-03-05

申请号：US14356834

申请日：2012-11-13

申请人： SHELL OIL COMPANY

发明人： Jan Blomberg ,  Pieter Huizenga ,  Muralikrishna Venkatacharyulu Khandavilli ,  Walter Stanley Postula

IPC分类号： G01N25/66 ,  G01N33/22 ,  G01N33/28

CPC分类号： G01N25/66 ,  G01N25/08 ,  G01N33/225 ,  G01N33/28

摘要： The invention provides a method for determining the dew point of a vaporised hydrocarbon feedstock, comprising heating a hydrocarbon feedstock and a hydrocarbon diluent to a first temperature and maintaining the feedstock and diluent at that temperature until all hydrocarbon feedstock is vaporized and a homogeneous mixture is obtained; passing a first flow of the mixture through a first zone maintained at a second temperature, which is lower than the first temperature; halting the first flow; passing a sweep gas through the first zone and providing the sweep gas to a detector for detecting hydrocarbons; decreasing the temperature of the first zone, wherein steps (c) to (f) are repeated at least until a hydrocarbon presence is detected in the sweep gas.The invention further provides a method for measuring the dew point of a steam cracker feed and a system for determining the dew point of a vaporised hydrocarbon feedstock.

摘要翻译： 本发明提供了一种用于测定蒸发的烃原料的露点的方法，包括将烃原料和烃稀释剂加热到第一温度，并将原料和稀释剂保持在该温度，直到所有的烃原料蒸发并得到均匀的混合物 ; 使混合物的第一流通过保持在低于第一温度的第二温度的第一区域; 停止第一流; 将吹扫气体通过第一区域并将扫气提供给用于检测烃的检测器; 降低第一区域的温度，其中步骤（c）至（f）至少重复直到在吹扫气体中检测到烃存在。 本发明还提供了一种用于测量蒸汽裂化器进料的露点和用于确定蒸发的烃原料的露点的系统的方法。

公开(公告)号：US09488608B2

公开(公告)日：2016-11-08

申请号：US14356834

申请日：2012-11-13

申请人： SHELL OIL COMPANY

发明人： Jan Blomberg ,  Pieter Huizenga ,  Muralikrishna Venkatacharyulu Khandavilli ,  Walter Stanley Postula

IPC分类号： G01N25/68 ,  G01N25/66 ,  G01N33/22 ,  G01N33/28 ,  G01N25/08

CPC分类号： G01N25/66 ,  G01N25/08 ,  G01N33/225 ,  G01N33/28

摘要： The invention provides a method for determining the dew point of a vaporized hydrocarbon feedstock, comprising heating a hydrocarbon feedstock and a hydrocarbon diluent to a first temperature and maintaining the feedstock and diluent at that temperature until all hydrocarbon feedstock is vaporized and a homogeneous mixture is obtained; passing a first flow of the mixture through a first zone maintained at a second temperature, which is lower than the first temperature; halting the first flow; passing a sweep gas through the first zone and providing the sweep gas to a detector for detecting hydrocarbons; decreasing the temperature of the first zone, wherein steps (c) to (f) are repeated at least until a hydrocarbon presence is detected in the sweep gas.The invention further provides a method for measuring the dew point of a steam cracker feed and a system for determining the dew point of a vaporized hydrocarbon feedstock.

摘要翻译： 本发明还提供了一种用于测量蒸汽裂化器进料的露点和用于确定蒸发的烃原料的露点的系统的方法。