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1. 发明授权

US06512156B1 Method and apparatus for controlling severity of cracking operations by near infrared analysis in the gas phase using fiber optics 失效
标题翻译：用于通过使用光纤的气相中的近红外分析来控制裂纹操作的严重性的方法和装置
公开(公告)号：US06512156B1
公开(公告)日：2003-01-28
申请号：US08734945
申请日：1996-10-22
申请人： Gerardus J. Timmermans , Henrious J. Morgenstern
发明人： Gerardus J. Timmermans , Henrious J. Morgenstern
IPC分类号： C10G916
CPC分类号： C10G9/206 , G01N21/09 , G01N21/15 , Y10S208/01
摘要： A two-step method and apparatus for controlling cracking severity in the effluent from a cracking furnace such as an ethylene cracker. The method includes two steps. The first step consists of determining the near infrared spectrum of effluent in-line. The second step consists of changing the temperature and/or residence time of the furnace according to the determination of the first step. The apparatus includes a light source mounted on a conduit for the effluent, a light detector mounted on the opposite side of the conduit from the light source to receive light emitted from the light source, means for sheltering the light source from the effluent, means for sheltering the lights detector from the effluent, means for flowing a fluid past the light source at a higher pressure than the pressure of the effluent; and means for flowing a fluid past the light detector at a higher pressure than the pressure of the effluent.
摘要翻译：用于控制来自裂化炉如乙烯裂化器的流出物中的裂化严重性的两步法和装置。该方法包括两个步骤。第一步包括确定流出物在线的近红外光谱。第二步包括根据第一步骤的确定来改变炉子的温度和/或停留时间。该装置包括安装在用于流出物的导管上的光源，安装在导管与光源相反侧的光检测器以接收从光源发射的光，用于将光源从流出物遮住的装置，用于将光检测器遮挡于流出物中，用于使流体流过光源的压力高于流出物的压力; 以及用于使流体流过光检测器的压力高于流出物的压力的装置。

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