摘要
针对企业现有设备难以有效去除环氧树脂内部气泡的关键问题,本文设计开发了一套风电叶片用环氧树脂真空脱泡机,包括上料系统、脱泡塔、中继储罐、自密封出料系统和控制系统等部分。利用ANSYS Fluent计算软件对脱泡塔主分离区的内部流场进行优化仿真分析,结果发现主分离区入口倾角对脱泡效果有显著影响。入口倾角增大使脱泡塔内部流体空化现象明显增强,改善了环氧树脂初次破碎情况。所制备样机已在企业投入使用,获得了良好的脱泡效果,本研究为风电叶片生产企业提供了技术支撑。
A novel type of vertical vacuum degasifier,mainly comprising the feeding unit,vacuum degassing chamber,relay storage tank,self-sealing discharge and control units,was developed for industrial production of wind turbine blades with epoxy resin.The flow fields in the gas/liquid separation zone of vacuum chamber were mathematically modeled,theoretically analyzed and numerically simulated with ANSYS Fluent for design optimization.The influence of the inlet geometry on the degasification of epoxy resin was investigated.The simulated results show that the inlet dip-angle has a major impact.To be specific,an increase of the inlet dip-angle significantly enhances the cavitation and improves the initial crushing of epoxy resin.The prototyped vacuum degasifier,constructed based on the design optimization,has been successfully operating in production line with satisfactory results.
作者
于雪梅
刘晓燕
刘卫生
田丰
冯立超
Yu Xuemei;Liu Xiaoyan;Liu Weisheng;Tian Feng;Feng Lichao(School of Mechanical and Ocean Engineering,Jiangsu Ocean University,Lianyungang 222005,China;The Key Lab of Jiangsu Marine Wind Turbine Blade Design and Manufacturing Technology,Lianyungang Zhongfu Lianzhong Composites Group Co.,Ltd.,Lianyungang 22206,China;Jiangsu Marine Resources Development Research Institute,Lianyungang 222005,China)
出处
《真空科学与技术学报》
EI
CAS
CSCD
北大核心
2019年第9期801-805,共5页
Chinese Journal of Vacuum Science and Technology
基金
江苏省产学研合作项目(BY2018219)
连云港市“海燕计划”资助项目(2019-QD-007)
江苏省研究生教育教改课题(JGZZ_075)
江苏省海上风电叶片设计与制造技术重点实验室基金(BM2016024)
关键词
风电叶片环氧树脂
仿真
空化
Wind power blade
Epoxy resin
Simulation
Cavitation
