针对PRO/Ⅱ软件在数据处理和优化功能方面的不足,利用PRO/Ⅱ软件的COM服务器与其他程序交互的功能,在Excel软件的Visual Basic for Applications(VBA)中编写PRO/Ⅱ软件与Excel软件接口程序,在接口程序中编写遗传算法,实现PRO/Ⅱ软件、Ex...针对PRO/Ⅱ软件在数据处理和优化功能方面的不足,利用PRO/Ⅱ软件的COM服务器与其他程序交互的功能,在Excel软件的Visual Basic for Applications(VBA)中编写PRO/Ⅱ软件与Excel软件接口程序,在接口程序中编写遗传算法,实现PRO/Ⅱ软件、Excel软件和遗传算法的集成。该集成可提高模拟计算效率,实现化工过程的多变量优化。采用PRO/Ⅱ软件、Excel软件和遗传算法的集成对1.2 Mt/a催化裂化装置主分馏塔和吸收稳定系统的3个操作变量进行优化,可使该催化裂化装置的效益提高904.2元/h。炼油过程催化裂化装置分馏及吸收稳定系统的操作优化案例研究结果表明该方法是可行的。展开更多
Ethylene oxide (EO) is a sold-out intermediate material for producing various chemicals.Major chemical companies are interested in whether new EO plant can create profit.This research is undertaken to investigate th...Ethylene oxide (EO) is a sold-out intermediate material for producing various chemicals.Major chemical companies are interested in whether new EO plant can create profit.This research is undertaken to investigate the economic feasibility of EO production.Direct oxidation of ethylene using silver on alpha-A12O3 catalyst type is adapted to produce EO of 60 000 t/year.We conduct the conceptual design.Firstly,we synthesize the optimal structure and then determine optimal conditions and the size of the equipments.Feasibility study shows that profit and loss turning point turns out to be 3.2 years based on the present market price.In addition,we conducts the economic analysis to prepare the risk of raw material market price variation ranging from 70% to 130%.展开更多
文摘针对PRO/Ⅱ软件在数据处理和优化功能方面的不足,利用PRO/Ⅱ软件的COM服务器与其他程序交互的功能,在Excel软件的Visual Basic for Applications(VBA)中编写PRO/Ⅱ软件与Excel软件接口程序,在接口程序中编写遗传算法,实现PRO/Ⅱ软件、Excel软件和遗传算法的集成。该集成可提高模拟计算效率,实现化工过程的多变量优化。采用PRO/Ⅱ软件、Excel软件和遗传算法的集成对1.2 Mt/a催化裂化装置主分馏塔和吸收稳定系统的3个操作变量进行优化,可使该催化裂化装置的效益提高904.2元/h。炼油过程催化裂化装置分馏及吸收稳定系统的操作优化案例研究结果表明该方法是可行的。
基金The MSIP(Ministry of Science,ICT&Future Planning),Korea,under the Convergence-ITRC(Convergence Information Technology Research Center)support program(NIPA-2013-H0401-13-1004)supervised by the NIPA(National IT Industry Promotion Agency)
文摘Ethylene oxide (EO) is a sold-out intermediate material for producing various chemicals.Major chemical companies are interested in whether new EO plant can create profit.This research is undertaken to investigate the economic feasibility of EO production.Direct oxidation of ethylene using silver on alpha-A12O3 catalyst type is adapted to produce EO of 60 000 t/year.We conduct the conceptual design.Firstly,we synthesize the optimal structure and then determine optimal conditions and the size of the equipments.Feasibility study shows that profit and loss turning point turns out to be 3.2 years based on the present market price.In addition,we conducts the economic analysis to prepare the risk of raw material market price variation ranging from 70% to 130%.