专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

51. 发明申请

US20100144983A1 Methods for determining temperature value indicative of resin stickiness from data generated by polymerization reaction monitoring 有权
标题翻译：用于通过聚合反应监测产生的数据确定指示树脂粘性的温度值的方法
公开(公告)号：US20100144983A1
公开(公告)日：2010-06-10
申请号：US12310723
申请日：2007-08-09
申请人： Eric J. Markel , Robert O. Hagerty , Richard B. Pannell
发明人： Eric J. Markel , Robert O. Hagerty , Richard B. Pannell
IPC分类号： C08F2/00
CPC分类号： C08F10/00 , C08F210/16 , C08F2400/02 , C08F2/34 , C08F2/00 , C08F210/08 , C08F210/14 , C08F2500/20
摘要： In some embodiments, a method including the steps of monitoring a polymerization reaction which produces a polymer resin in a fluid bed reactor, where a dry melt reference temperature is characteristic of melting behavior of a dry version of the resin, and in response to data indicative of at least one monitored parameter of the reaction, determining in on-line fashion a reduced melt reference temperature that is at least substantially equal to the difference between the dry melt reference temperature and a temperature by which the dry melt reference temperature is depressed by the presence of condensable diluent gas with the resin in the reactor. Optionally, the method also includes the step of controlling the reaction in response to the reduced melt reference temperature or a stickiness parameter determined from the reduced melt reference temperature.
摘要翻译：在一些实施方案中，一种方法包括以下步骤：监测在流化床反应器中产生聚合物树脂的聚合反应，其中干燥熔体参考温度是干燥形式的树脂的熔融特性的特征，并且响应于数据指示的反应的至少一个监测参数，以在线方式确定降低的熔融参考温度，其至少基本上等于干熔体参考温度与干熔体参考温度被压下的温度之间的差异在反应器中存在可冷凝稀释气体与树脂。任选地，该方法还包括响应于降低的熔融参考温度或从降低的熔融参考温度确定的粘性参数来控制反应的步骤。

52. 发明授权

US07683140B2 Method for determining temperature value indicative of resin stickiness from data generated by polymerization reaction monitoring 有权
标题翻译：用于通过聚合反应监测产生的数据确定指示树脂粘性的温度值的方法
公开(公告)号：US07683140B2
公开(公告)日：2010-03-23
申请号：US11599122
申请日：2006-11-14
申请人： Richard B. Pannell , Robert O. Hagerty , Eric J. Markel
发明人： Richard B. Pannell , Robert O. Hagerty , Eric J. Markel
IPC分类号： C08F2/00 , C08F10/14
CPC分类号： C08F210/16 , C08F2400/02 , C08F2/005 , C08F2/00 , C08F2/34 , C08F210/14 , C08F2500/12
摘要： In some embodiments, a method including the steps of monitoring a polymerization reaction which produces a polymer resin in a fluid bed reactor, where a dry melt reference temperature is characteristic of melting behavior of a dry version of the resin, and in response to data indicative of at least one monitored parameter of the reaction, determining a reduced melt reference temperature that is at least substantially equal to the difference between the dry melt reference temperature and a temperature by which the dry melt reference temperature is depressed by the presence of condensable diluent gas with the resin in the reactor. Optionally, the method also includes the step of controlling the reaction in response to the reduced melt reference temperature or a stickiness parameter determined from the reduced melt reference temperature.
摘要翻译：在一些实施方案中，一种方法包括以下步骤：监测在流化床反应器中产生聚合物树脂的聚合反应，其中干燥熔体参考温度是干燥形式的树脂的熔融特性的特征，并且响应于数据指示的至少一个监测的反应参数，确定降低的熔融参考温度，其至少基本上等于干熔体参考温度与通过存在可冷凝稀释气体而使干熔体参考温度下降的温度之间的差异与反应器中的树脂。任选地，该方法还包括响应于降低的熔融参考温度或从降低的熔融参考温度确定的粘性参数来控制反应的步骤。

53. 发明申请

US20090216481A1 Method and System for Assessing Reactor Fluidization Quality and Operability From Frequency Spectrum of Temperature Data 审中-公开
标题翻译：温度数据频谱评估反应器流化质量和可操作性的方法和系统
公开(公告)号：US20090216481A1
公开(公告)日：2009-08-27
申请号：US11886643
申请日：2006-02-21
申请人： Eric J. Markel , Michael E. Muhle
发明人： Eric J. Markel , Michael E. Muhle
IPC分类号： G06F15/00 , G01K13/00
CPC分类号： B01J8/1809 , B01J8/1872 , B01J2208/00256 , B01J2208/00274 , B01J2219/00063 , B01J2219/00065 , B01J2219/002 , B01J2219/00209 , B01J2219/00216 , B01J2219/00238 , C08F10/02 , C08F210/16 , C08F2400/02 , C08F2/00 , C08F2/34
摘要： In some embodiments, a method or system for assessing fluidization quality of a fluidized bed reactor, including by: (a) generating at least one set of temperature data indicative of temperature at a location within the reactor as a function of time during operation of the reactor; (b) generating transformed data by performing a Fourier transform on each said set of temperature data; (c) generating filtered, transformed data by high-pass filtering the transformed data to remove low frequency components thereof (preferably including the frequency component whose frequency is the natural frequency of the cooling control loop); and (d) determining at least one indication of the fluidization quality from the filtered, transformed data. In some embodiments, the reactor has a cooling control loop having a natural frequency and the frequency components removed during step (c) include a frequency component whose frequency is the natural frequency. In some embodiments, step (a) includes the step of generating at least two sets of skin temperature data, each indicative of skin temperature as a function of time at a different elevation within the fluidized bed. Some embodiments enable diagnosis of poor fluidization or mixing in the bed of a fluidized bed reactor, by analyzing Fourier-transformed, filtered skin temperature data.
摘要翻译：在一些实施例中，一种用于评估流化床反应器的流化质量的方法或系统，包括通过以下步骤：（a）在反应器的运行期间产生指示反应器内部位置处的温度的至少一组温度数据，作为时间的函数反应堆; （b）通过对每个所述一组温度数据执行傅里叶变换来产生变换数据; （c）通过对经变换的数据进行高通滤波以除去其低频分量（优选地包括其频率是冷却控制回路的固有频率的频率分量）来产生滤波的变换数据; 以及（d）从经过滤的变换数据确定流化质量的至少一个指示。在一些实施例中，反应器具有具有固有频率的冷却控制回路，并且在步骤（c）期间去除的频率分量包括频率为固有频率的频率分量。在一些实施方案中，步骤（a）包括产生至少两组皮肤温度数据的步骤，每组皮肤温度数据指示在流化床内不同高度处的皮肤温度作为时间的函数。通过分析经傅立叶变换的经过滤的皮肤温度数据，一些实施方案能够诊断流化床反应器的床中的不良流化或混合。

54. 发明申请

US20080033121A1 Method of maintaining heat transfer capacity in a polymerization reaction system 有权
标题翻译：保持聚合反应体系中传热能力的方法
公开(公告)号：US20080033121A1
公开(公告)日：2008-02-07
申请号：US11879673
申请日：2007-07-18
申请人： Eric J. Markel , Agapios K. Agapiou
发明人： Eric J. Markel , Agapios K. Agapiou
IPC分类号： C08F2/01
CPC分类号： C08F10/00 , C08F2400/02 , Y10S526/901 , C08F2/00 , C08F2/005
摘要： This invention relates to a process for maintaining heat transfer capacity of a cycle cooler while polymerizing olefin(s) in the presence of catalyst and a carboxylate metal salt by controlling the amount of carboxylate metal salt present in the reaction system. In particular, the invention relates to maintaining a cycle cooler performance parameter substantially constant while polymerizing olefin(s) in the presence of a carboxylate metal salt and a conventional-type transition metal polymerization catalyst compound, or a metallocene-type polymerization catalyst compound. This invention further relates to a process wherein the cycle cooler performance parameter is a heat transfer capacity of the cycle cooler, a pressure drop across the cooler, or a cooler approach temperature of a cycle cooler.
摘要翻译：本发明涉及通过控制反应体系中存在的羧酸金属盐的量，在催化剂和羧酸盐金属盐的存在下聚合烯烃时，保持循环冷却器的传热能力的方法。特别地，本发明涉及在羧酸金属盐和常规型过渡金属聚合催化剂化合物或茂金属型聚合催化剂化合物的存在下聚合烯烃时，保持循环冷却器性能参数基本恒定。本发明还涉及一种方法，其中循环冷却器性能参数是循环冷却器的传热能力，冷却器上的压降或循环冷却器的冷却器接近温度。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式