Integrated scheduling for polyvinyl chloride productive processes

TIAN Miaomiao; JIANG Yongheng; HUANG Dexian

doi:10.11949/j.issn.0438-1157.20141498

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Integrated scheduling for polyvinyl chloride productive processes

更新时间：2025-12-10

- Integrated scheduling for polyvinyl chloride productive processes
- CIESC Journal Issue 1, Pages: 251-258(2015)
- 作者机构：
  
  清华大学自动化系,北京,100084
- 作者简介：
- 基金信息：
- DOI：10.11949/j.issn.0438-1157.20141498
  CLC： P273
- Online First：05 January 2015，
  
  Published：05 January 2015
- 稿件说明：
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TIAN Miaomiao, JIANG Yongheng, HUANG Dexian. Integrated scheduling for polyvinyl chloride productive processes[J]. CIESC Journal, 2015, (1): 251-258.
DOI：

TIAN Miaomiao, JIANG Yongheng, HUANG Dexian. Integrated scheduling for polyvinyl chloride productive processes[J]. CIESC Journal, 2015, (1): 251-258. DOI： 10.11949/j.issn.0438-1157.20141498.

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。

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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