纸浆洗涤过程中稀释因子的优化

单文娟<sup>1</sup>; 汤　伟<sup>1; 2</sup>

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纸浆洗涤过程中稀释因子的优化

Optimization of the Dilution Factor in Pulp Washing Process

收稿日期：

DOI：10.11980/j.issn.0254-508X.2012.02.013

关键词: 纸浆洗涤用水稀释因子罚函数最优化

Key Words:pulp washing water dilution factor penalty function optimization

基金项目:本课题得到国家自然科学基金项目（30972322）资助。

作者	单位
单文娟¹	1.陕西科技大学造纸工程学院；陕西西安，710021
汤　伟^1,2	1.陕西科技大学造纸工程学院；陕西西安，710021；2.陕西西微测控工程有限公司，陕西咸阳，710081

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摘要:基于浆料洗涤系统的整体工程思想,对洗浆系统和蒸发系统进行了物料衡算，建立了纸浆洗涤用水和稀释因子的最优化模型,并通过罚函数,将约束问题转化为无约束问题,对模型进行了寻优控制。实践表明,该方法可以找到最优稀释因子,减少了费用,降低了生产成本。

Abstract:The purpose of the optimal control of pulp washing is not only to ensure the quality of pulp washing, but also to reduce the energy consumption. Water is one of the most important resources; reduce water consumption is to reduce energy consumption. This paper analyzed the material balance in pulp washing and evaporation. The model related dilution factor and washing water was established, the model was optimized by penalty function, which can turn the constrained problem into unconstrained. It showd that the method can find the optimal dilution factor, reduce the consumption, bring greater economic benefits to the enterprises.

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