| 聚氯乙烯生产过程全流程调度 |
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| 引用本文： | 田妙苗,江永亨,黄德先. 聚氯乙烯生产过程全流程调度[J]. 化工学报, 2015, 66(1): 251-258. DOI: 10.11949/j.issn.0438-1157.20141498 |
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| 作者姓名： | 田妙苗 江永亨 黄德先 |
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| 作者单位： | 清华大学自动化系, 北京 100084 |
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| 基金项目： | 国家高技术研究发展计划项目(2013AA040702)；国家自然科学基金项目(61273039)。@@@@supported by the National High Technology Research and Development Program of China，the National Natural Science Foundation of China |
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| 摘 要： | 研究了电石法制聚氯乙烯(PVC)全流程生产调度问题, 包括从电石生产、盐水电解到氯乙烯(VCM)聚合产品出厂各环节, 其中电石生产和VCM聚合是间歇过程, 其他生产环节是连续过程, 是一个混杂系统调度问题。本文针对过程特性对该问题进行了合理假设, 以包括电耗、库存、产品型号切换、交货延迟等的成本最小为目标, 建立了基于离散时间表示的混合整数线性规划(MILP)调度优化模型, 并针对一个案例进行了调度优化求解和分析, 验证了模型的可行性。
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| 关 键 词： | 聚合物 调度 全流程 模型 混杂系统 优化 |
| 收稿时间： | 2014-10-07 |
| 修稿时间： | 2014-10-17 |
Integrated scheduling for polyvinyl chloride productive processes |
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| TIAN Miaomiao,JIANG Yongheng,HUANG Dexian. Integrated scheduling for polyvinyl chloride productive processes[J]. Journal of Chemical Industry and Engineering(China), 2015, 66(1): 251-258. DOI: 10.11949/j.issn.0438-1157.20141498 |
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| Authors: | TIAN Miaomiao JIANG Yongheng HUANG Dexian |
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| Affiliation: | Department of Automation, Tsinghua University, Beijing 100084, China |
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| Abstract: | The overall process scheduling problem of polyvinyl chloride (PVC) production by calcium carbide method is studied in this paper, which is a hybrid system involving all production sections from calcium carbide production process and brine electrolysis process to polymerization of vinyl chloride (VCM). Calcium carbide production and VCM polymerization are batch processes, while other processes are continuous ones. Two hypothesis are made based on the process characters. Then the cost of electricity consumption, inventory, changeover and delivery delay is considered as an optimization objection, and the mixed integer linear programming (MILP) model of scheduling is constructed. The model is validated by a case of a PVC plant and comparing with the model with constant productivities of continuous stages. |
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| Keywords: | polymers scheduling integrated process model hybrid system optimization |
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