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    • 5. 发明申请
    • METHOD FOR OPTIMIZATION OF PROCESS BY ADJUSTMENT OF INITIATOR IN POLYMERIZATION SYSTEM
    • 通过调整聚合体系中的发动机来优化工艺的方法
    • WO2007117072A1
    • 2007-10-18
    • PCT/KR2007/000089
    • 2007-01-06
    • LG CHEM, LTD.
    • LEE, HokyungLEE, SujinPARK, SeungyoungLEE, Jongku
    • C08F2/00
    • B01J19/0013B01J2219/0006B01J2219/00094B01J2219/00101B01J2219/00186B01J2219/00204B01J2219/00216B01J2219/00231C08F10/00C08F2400/02C08F2/00
    • Disclosed herein is an optimization method in a polymerization system in which heat is generated during the polymerization with an initiator. The optimization method includes the steps of measuring the heat generation amount based on the composition of the initiator in the polymerization system to previously set the relationship between the initiator composition and the heat generation amount, measuring the heat removal amount based on the temperature of a coolant in a cooling system of the polymerization system to previously set the relationship between the coolant temperature and the heat removal amount, calculating the initiator composition allowable at a predetermined coolant temperature to previously set the relationship between the coolant temperature and the initiator composition, and measuring the temperature of the coolant before and/or during the polymerization to adjust the composition of the initiator added at the measured temperature to the optimum condition, thereby decreasing the reaction time, and therefore, improving the productivity.
    • 本文公开了在与引发剂聚合期间产生热量的聚合体系中的优化方法。 优化方法包括以下步骤:基于聚合体系中引发剂的组成来测定发热量,以预先设定引发剂组合物与发热量之间的关系,基于冷却剂的温度测量除热量 在聚合系统的冷却系统中,预先设定冷却剂温度和除热量之间的关系,计算在预定冷却剂温度下允许的引发剂组合物,以预先设定冷却剂温度和引发剂组合物之间的关系,并测量 在聚合之前和/或聚合期间冷却剂的温度将调节在测量温度下加入的引发剂的组成调节至最佳条件,由此减少反应时间,从而提高生产率。
    • 10. 发明申请
    • METHOD AND SYSTEM FOR ASSESSING REACTOR FLUIDIZATION QUALITY AND OPERABILITY FROM FREQUENCY SPECTRUM OF TEMPERATURE DATA
    • 用于评估温度数据频率的反应器流化质量和可操作性的方法和系统
    • WO2006107437A1
    • 2006-10-12
    • PCT/US2006/006024
    • 2006-02-21
    • UNIVATION TECHNOLOGIES, LLCMARKEL, EricMUHLE, Michael
    • MARKEL, EricMUHLE, Michael
    • B01J8/24C08F10/00C08F2/34C08F2/00H04L12/26
    • B01J8/1809B01J8/1872B01J2208/00256B01J2208/00274B01J2219/00063B01J2219/00065B01J2219/002B01J2219/00209B01J2219/00216B01J2219/00238C08F10/02C08F210/16C08F2400/02C08F2/00C08F2/34
    • 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.
    • 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 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。