Design of the Batch Reactor Propylene Polymerization Process Control System 间歇反应釜内丙烯聚合过程控制系统设计
Composition, particle size distribution and catalytic performance of NA catalyst in batch liquid bulk polymerization of propylene were studied and were compared with those of an imported catalyst. 研究了用于丙烯聚合的新型NA催化剂的组成、粒度分布及本体聚合性能,同时与进口催化剂进行了相关对比。
The carboxylated butadiene-styrene rubber latex was synthesized in a 2000t/ a pilot plant by the batch process, using low-soap emulsion polymerization with multi-feeding at elevated temperature and high monomer conversion. The engineering enlargement of the polymerization reactor and devolatilization stripper was studied. 在2000t/a工业试验装置上,用低皂乳液聚合法在高温、高转化率下采用分批加料方式合成了羧基丁苯胶乳,并开发研究了聚合、脱气和浓缩的工程放大。
The Innovation of Polymerization Kettle in Batch Bulk Polymerization of Polypropylene 小本体法聚丙烯聚合釜的改进
The batch polymerization reaction is one of typical complicated reactions in the flow-industry. 间歇聚合反应是流程工业中比较典型的复杂反应之一。
Aiming at the temperature control of a polyester batch polymerization reactor a generalized fuzzy adaptive controller is presented. The reaction is nonlinear, complex, variable and uncertain. 针对具有时变、非线性、反应机理复杂的聚酯间歇聚合反应温度控制,提出了一种反应器温度误差附加夹套温度误差的新型广义模糊自适应控制器。
Development of the powder PP for fiber of cigarette filter in batch bulk polymerization plant 丙纶烟用丝束料在间歇式聚丙烯装置上的研制
Based on the reaction kinetics of free-radical polymerization and population balance a mathematical model for the polymerization of styrene is developed to describe the conversion and particle size distribution in a batch suspension polymerization reactor. 基于自由基悬浮聚合反应动力学和群体平衡模型,以苯乙烯为体系,建立了在循环反应器中间歇悬浮聚合过程转化率和成粒机理的数学模型。
Monitoring and Control System for Batch Propylene Polymerization Reacting Process Based on YS-170 Instrument and Industrial Control Computer 基于YS-170和工控机的集散型丙烯聚合反应过程监控系统
Compared with other catalysts, CSI catalyst is more suitable for producing high-melt index polypropylene in the batch bulk polymerization plant. CSI型催化剂适用于在间歇本体聚丙烯装置上生产高熔体指数聚丙烯。
In batch polymerization, copolymers with homogeneous compositions can be obtained by replenishing monomers whose add-on needed can be calculated according to the formula introduced in the paper. 在分批聚合中制备具有均匀组成的共聚物,提出了为控制共聚物组成在反应过程中补加单体的计算方法。
Generalized Fuzzy Adaptive Control of Polyester Batch Polymerization Reactor 聚酯间歇聚合反应广义模糊自适应控制器
The software package consists of two subsystems, one is the subsystem of "identification and control of batch polymerization reactors", and the other is the subsystem of" production administration system for batch polymerization reactors ". 软件包由“化工间歇聚合反应过程的辨识与控制”和“化工间歇聚合反应釜生产管理系统”两个子系统组成。
Computer Control and Application of Advanced Control Techniques for Batch Polymerization Reactors 间歇聚合反应过程的计算机控制及先进控制技术应用进展
A Survey of Advanced Control for Batch Polymerization Reactors 间歇聚合反应过程先进控制技术研究的概况
The stereo properties of polypropylene particle produced on NA catalyst were better than that produced on imported catalyst in batch liquid bulk polymerization process. NA催化剂本体聚合反应制备的聚合物颗粒规整性较好,表面形态更接近于球形。
A mathematical model for batch polymerization of isoprene with lanthanide catalyst 稀土催化异戊二烯间断聚合数学模型
Due to nonlinear, complexity, variability and uncertainty that batch polymerization processes involve, the control for polymerization processes offers attractive and challenging problems for control community. 间歇聚合反应过程由于具有非线性、时变性、不确定性、反应机理复杂等特点,其控制问题一直是过程控制界具有挑战性的研究课题之一。
The batch polymerization from purified terephthalic acid ( PTA) was emphasized. The technology status of CDP synthesis from PTA was summarized. 重点介绍了对苯二甲酸(PTA)路线间歇聚合CDP工艺技术。
Computer Control and Administration System for Batch Polymerization Reaction Plant& Design of the Software Package 间歇聚合反应装置计算机控制与管理系统&软件包的设计
Some satisfying results have been made by applying those methods to batch polymerization process control and its fault diagnosis. 将这些方法应用于间歇聚合反应的监控和故障诊断上,取得了较好的效果。
Study on Caking of Polypropylene Powder from Batch Bulk Polymerization Plant 间歇式小本体聚丙烯粉料烧料现象的研究
In the present paper, batch solution polymerization method was used to prepare ACM and the influence of polymerization conditions on the reaction and product properties was investigated. 因此,本论文采取间歇溶液聚合合成工艺,考察聚合条件变化对聚合反应、产物性质的影响,寻求最佳试验配方,为最终实现丙烯酸酯橡胶的连续溶液聚合奠定理论基础。
Second, determine the temperature modeling methods according to temperature characteristics of the batch polymerization reactor and the difficulty of modeling. 其次,根据间歇聚合反应特点和反应釜温度建模的难点确定了温度建模方法。
In order to optimize system operation and to achieve the best control performance, an accurate temperature model of batch reactor is indispensable. First, this paper analyzed the characteristics of batch reactor system and the polymerization process. 为了优化系统的运作,达到最佳的控制性能,一个准确的间歇反应釜温度模型是不可缺少的。首先,本文分析了间歇反应釜装置、聚合反应工艺流程和间歇反应釜系统体系结构。
In the Batch polymerization reaction, the temperature control for reactor impacts directly on the quality and quantity, so the temperature control is very important. 温度控制在间歇聚合反应过程中至关重要,产品产量多少和质量的好坏取决于反应过程温度控制的准确程度。
Applications on DuPont batch polymerization process reveal the efficiency of robust MPCA. ( 3) A new step-by-step batch SPMC approach is proposed for the monitoring of multi-stage batch processes. 对Dupont间歇聚合反应过程的监控与故障诊断应用研究表明了鲁棒MPCA算法的有效性。(3)提出了步进MPCA算法用于多阶段间歇过程的性能监控。