辽宁石油化工大学学报

辽宁石油化工大学学报 ›› 2017, Vol. 37 ›› Issue (3): 46-50.

• 化工机械 • 上一篇    下一篇

快开容器组合啮合度下齿块强度的有限元分析

丛湘纯1,张 颖1,王 兵2,刘延雷2,高 晗3   

  1. 1.东北石油大学机械科学与工程学院,黑龙江大庆163318;2.杭州市特种设备检测院,浙江杭州310003;3.中国石油石油化工研究院大庆化工研究中心,黑龙江大庆163318
  • 收稿日期:2017-01-14 修回日期:2017-03-27 出版日期:2017-07-20 发布日期:2017-06-30
  • 通讯作者: 张颖(1972-),男,博士,教授,从事过程设备安全检测及完整性评价方面的研究;E-mail:aezy163@163.com。
  • 作者简介:丛湘纯(1995-),女,本科生,过程装备与控制工程专业;E-mail:18345969524@163.com。
  • 基金资助:
    国家质量监督检验检疫总局科技计划项目
    (2015QK085)。

Finite Element Strength Analysis of the Quick Opening Container's Meshing Tooth with Combined Meshing Degree

Cong Xiangchun1Zhang Ying1Wang Bing2Liu Yanlei2Gao Han3   

  • Received:2017-01-14 Revised:2017-03-27 Published:2017-07-20 Online:2017-06-30

摘要:        齿啮式快开容器使用广泛,其快开结构是实现容器开关门操作的重要部分,而齿块的啮合程度决定容器的运行安全。以一台齿啮式蒸压釜为例,采用有限元分析方法,针对周向未完全啮合、径向未完全啮合、周向和径向均未完全啮合即组合式未啮合工况,对齿块受载状态进行了数值模拟,并对其危险路径进行了强度校核。分析结果可知,随着齿块周向或径向啮合度的降低,齿间所受应力均呈增大趋势。在组合式未啮合工况(周向啮合度为80%、径向错动量3.0mm)下出现应力最大的危险情况。经强度校核发现,其一次局部薄膜应力超过许用值,不能满足强度要求。分析结果表明,齿啮式快开容器应尽量避免齿块在未完全啮合的情况下工作,以保证其安全使用。

关键词: 组合啮合度, 快开容器, 有限元分析, 强度校核

Abstract:         Tooth-locked quick-opening pressure vessel is widely used. The fast opening structure was an important part of the pressure vessel door opening and closing operation and the meshing degree of the tooth determined the safe of the container's operation. A tooth-meshing autoclave was taken as an example and the finite element analysis was used as a method to carry on the numerical simulation to its meshing tooth in load condition and the strength check to its dangerous path. In the case of the incomplete meshing in the circumferential direction, the incomplete meshing in the radial direction and the combined operation in which the two directions were not fully meshed. According to the analysis results, it could be seen that with the decrease of meshing tooth circumferential or radial meshing degree, the stress increased. Under the dangerous working condition of combined meshing (i.e.circumferential meshing degree was 80%, radial dislocation was 3.0 mm),the tooth's stress reached the maximum. After the strength check, the primary local membrane stress exceeded the allowable value, so the stress didn't meet the requirements. According to the analysis results, the quick-opening container should be avoided to working with incomplete meshing tooth to ensure the safe use.

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引用本文

丛湘纯,张 颖,王 兵,刘延雷,高 晗. 快开容器组合啮合度下齿块强度的有限元分析[J]. 辽宁石油化工大学学报, 2017, 37(3): 46-50.

Cong Xiangchun,Zhang Ying,Wang Bing,Liu Yanlei,Gao Han.

Finite Element Strength Analysis of the Quick Opening Container's Meshing Tooth with Combined Meshing Degree

[J]. Journal of Liaoning Petrochemical University, 2017, 37(3): 46-50.

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