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| Study of Stress Distribution of Large Opening Structure in Cooking Tube Based on Orthogonal Experiment and Finite Element Method |
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| DOI：10.11981/j.issn.1000-6842.2014.02.55 |
| Key Words:orthogonal test； finite element method； cooking tube； large opening； structure optimization |
| Fund Project:2013年地方高校国家级大学生创新创业训练计划项目（201310462103）；郑州市科技攻关项目(20120326);郑州市科技创新团队项目(10CXTD159)。 |
| Author Name | Affiliation | | 刘超锋1,2 | 1.郑州轻工业学院过程装备系环境污染治理与生态修复河南省协同创新中心,河南郑州,450066；2.郑州轻工业学院河南省表界面科学重点实验室，河南郑州，450066 | | 刘建秀3 | 3.郑州轻工业学院机电工程学院，河南郑州，450066 | | 白 玉4 | 4.北京翔升科创科技有限公司，北京，100027 | | 伊万成4 | 4.北京翔升科创科技有限公司，北京，100027 |
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| Abstract: |
| On the basis of the process parameters of the cooking tube using in pulp mills， material， thickness of the shell， thickness of the reinforcing ring were selected as independent variables for orthogonal test， each variable selected three levels i.e. the minimum， median and maximum； “L9(34)” orthogonal table was designed； nine orthogonal tests with three factors and three levels were carried out. The finite element method was used to study the stress distribution of the cylinder of cooking tube with large opening in radial direction. The results showed that， the finite element method for studying stress distribution was feasible； the optimum combination was calculated thickness of the shell 14 mm， the material “Q245R”， reinforcing ring thickness 12 mm. |
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