波纹薄型热板性能及设计优化研究  

Study on performance and design optimization of corrugated thin hot plate

作　　者：胡恒峰 梅侦 周波 周庆 朱宇栋 HU Hengfeng;MEI Zhen;ZHOU Bo;ZHOU Qing;ZHU Yudong(Department of Technology Center,J.S.Corrugating Machinery Co.,Ltd.,Wuhan 430024,China)

机构地区：[1]湖北京山轻工机械股份有限公司技术中心,武汉430024

出　　处：《包装与食品机械》2023年第5期102-106,共5页Packaging and Food Machinery

基　　金：湖北省重大科技创新项目(2019AAA072)。

摘　　要：为改善瓦楞纸板生产过程中纸板的粘合烘干效果,提高纸板加热过程温度均匀性,优化现有波纹薄型热板结构,通过对现有波纹薄型热板进行结构理论分析以及Fluent流体有限元分析,根据分析出的结构缺陷进行进汽口、回水口位置以及进汽口数量优化。分析比较进汽口数量从1个到8个的加热过程中表面温差及流场特征,最终选取较为适宜的4个进汽口数量为初步优化方案。根据流场优化方法进行进一步结构优化,增设进汽口间挡板,利用Fluent流体有限元分析、产品试制以及现场测试对优化结构进行验证,有限元分析结果与未增设挡板相比,流场漩涡数量明显减少,现场测试结果最大温差改善81.8%,最小温差改善90%,表明优化结构在提高加热效率及降低产品成本的基础上,能够有效改善纸板加热均匀性,提高纸板质量。研究为改善瓦楞纸板生产的粘合烘干提供参考。In order to improve the bonding and drying effect of corrugated cardboard in the production process,improve the temperature uniformity in the heating process of cardboard and optimize the structure of the existing corrugated thin hot plate,through the structural theoretical analysis and Fluent fluid finite element analysis of the existing corrugated thin hot plate and according to the structural defects obtained by analysis,the vapor inlet position,the water return position and the number of vapor inlets were optimized.The surface temperature difference and flow field characteristics in the heating process when the number of vapor inlets increased from 1 to 8 were analyzed and compared,and finally the appropriate number of 4 vapor inlets was selected as the initial optimization scheme.According to the flow field optimization method,the structure was further optimized and baffles between vapor inlets were added.The optimized structure was verified by fluid finite element analysis in Fluent,product trial production and on-site test.The finite element analysis results show that the number of vortex in flow field is significantly reduced compared with that without baffles,and the maximum temperature difference in on-site test results is improved by 81.8%,the minimum temperature difference is improved by 90%,indicating that the optimized structure can effectively improve the heating uniformity and the quality of cardboard on the basis of improving the heating efficiency and reducing the product cost.This research provides reference for improving adhesive drying in corrugated cardboard production.

关 键 词：瓦楞纸板生产线 波纹薄型热板 有限元分析 均匀加热 降低成本 

分 类 号：TB486.3[一般工业技术—包装工程] TH165.2[机械工程—机械制造及自动化]