共查询到20条相似文献,搜索用时 78 毫秒
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利用Aspen Plus流程模拟软件,对液化气分离装置进行了模拟,模拟结果与实际生产比较吻合。在此基础上,利用灵敏度分析工具,对塔压,回流比以及塔底抽出量等重要操作参数进行了优化。通过操作参数的优化,液化气分离装置的分离效果有了显著的提高。 相似文献
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基于Aspen Plus的原油常减压蒸馏装置的模拟 总被引:1,自引:1,他引:0
在Aspen Plus软件平台上,以标定数据为主要输入数据,以产品控制指标为主要约束条件,建立了某厂原油常减压蒸馏装置的稳态模拟流程。在建立过程中,采取对装置流程进行简化处理、将总板效率作为调节变量等方法,使模拟流程的工艺参数、物料平衡和产品恩氏蒸馏数据与生产基本相符。 相似文献
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为了提高原油性质发生较大变化时常压蒸馏装置的经济效益,对常压装置操作条件、产品性质和总体能耗等进行了对比分析及优化。对脱盐温度进行优化试验,确定了最优温度范围130—135℃,提高了电脱盐效率;对导向浮阀塔板和F1型浮阀塔板的流体力学(干板压降和板效率)进行对比计算,改用了压降小,效率高、操作弹性大的高效塔盘导向浮阀塔板,提高了柴油产率,降低了装置能耗;对全塔回流热平衡、热分布进行计算,在常压塔第6层增设一中段回流,回收热量27.52×106k J/h,折合标油全年节约4 880 t。 相似文献
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Gang Fu Yoel Sanchez Vladimir Mahalec 《American Institute of Chemical Engineers》2016,62(4):1065-1078
Planning, scheduling, and real time optimization are currently implemented using different types of models, which causes discrepancies between their results. This work presents a single model of a crude distillation unit (preflash, atmospheric, and vacuum towers) suitable for all of these applications, thereby eliminating discrepancies between models used in these decision processes. Product true boiling point (TBP) curves are predicted via partial least squares model from the feed TBP curve and operating conditions (flows, pumparound heat duties, furnace coil outlet temperatures). Combined with volumetric and energy balances, this enables prediction of crude distillation on par with a rigorous distillation model, with 0.5% root mean square error (RMSE) over a wide range of conditions. Associated properties (e.g., gravity, sulfur) are computed for each product based on its distillation curve and corresponding property distribution in the feed. Model structure makes it particularly amenable for development from plant data. © 2015 American Institute of Chemical Engineers AIChE J, 62: 1065–1078, 2016 相似文献
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Crude oil distil ation is important in refining industry. Operating variables of distil ation process have a critical ef-fect on product output value and energy consumption. However, the objectives of minimum energy consumption and maximum product output value do not coordinate with each other and do not lead to the maximum eco-nomic benefit of a refinery. In this paper, a systematic optimization approach is proposed for the maximum an-nual economic benefit of an existing crude oil distil ation system, considering product output value and energy consumption simultaneously. A shortcut model in Aspen Plus is used to describe the crude oil distillation and the pinch analysis is adopted to identify the target of energy recovery. The optimization is a nonlinear program-ming problem and solved by stochastic algorithm of particle warm optimization. 相似文献
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利用ASPENPLUS软件和窄点技术对原油常压蒸馏系统进行了提量改造,在常压塔和常压炉主体不变的情况下,设备利旧率达95%,原油处理量提高了50% 相似文献
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为了提高轻质油收率,解决石油市场的供需矛盾,人们提出并开发了原油强化蒸馏技术。为此,介绍了加剂强化蒸馏作用机理,归纳了活化剂的设计原则和主要成分,通过对原油强化蒸馏的实验研究和工业应用的总结,指出了其目前存在的问题,并对原油强化蒸馏今后的发展提出一些建议。 相似文献
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