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基于有限元分析的套管悬挂器颈部优化设计
引用本文:刘亮,张铁军,李朝明,刘敏,邓德兵,涂铭旌. 基于有限元分析的套管悬挂器颈部优化设计[J]. 重庆文理学院学报, 2015, 34(5): 59-63
作者姓名:刘亮  张铁军  李朝明  刘敏  邓德兵  涂铭旌
作者单位:重庆文理学院新材料技术研究院, 重庆永川402160;重庆文理学院新材料技术研究院, 重庆永川402160;重庆新泰机械有限责任公司, 重庆永川402160;重庆新泰机械有限责任公司, 重庆永川402160;重庆新泰机械有限责任公司, 重庆永川402160;重庆文理学院新材料技术研究院, 重庆永川402160
基金项目:重庆市永川区自然科学基金项目(Ycstc,2013nc8005);重庆文理学院科研项目(R2012RCJ19)
摘    要:心轴式套管悬挂器是石油井口中的关键设备,其颈部在工作和试压时分别承受内压和外压的作用.由于受到悬挂套管管径和连接法兰尺寸限制,悬挂器颈部壁厚较薄,因此,需对套管悬挂器颈部进行强度计算和有限元分析,验证其安全性.文章以Φ232.5 mm心轴式悬挂器为例,运用ASME标准分别计算颈部所能承受的内压和外压,并用ANSYS有限元分析计算,分别就承受内压和外压或者内外压都承受时颈部的所能承受的最高压力,从而获得经济、合理的壁厚值,并提出工程应用过程中避免颈部失效的方法.

关 键 词:套管悬挂器;强度分析;ANSYS;优化设计

Strength analysis and optimization design for casing hanger neck based on ANSYS
LIU Liang,ZHANG Tiejun,LI Chaoming,LIU Min,DENG Debing and TU Mingjing. Strength analysis and optimization design for casing hanger neck based on ANSYS[J]. Journal of Chongqing University of Arts and Sciences, 2015, 34(5): 59-63
Authors:LIU Liang  ZHANG Tiejun  LI Chaoming  LIU Min  DENG Debing  TU Mingjing
Abstract:Spindle casing hanger is a key part in oil wellhead. Its neck sustains internal and external pressure in working condition and pressure test, respectively. Limited to the suspension bushing diameter and connecting flange size, hanger neck is thin in the wall thickness. Therefore, the strength calculation and the finite element method for the casing hanger neck are applied to ensure the safety of products. Taking the 232.5 mm spindle type hanger as an example, the use of ASME standard calculate neck can withstand the internal and external pressure. By using ANSYS finite element analysis and calculation, respectively under internal and external pressure or pressure inside and outside all under the neck can withstand the high pressure, and achieve the economic and reasonable wall thickness value. The method was put forward to avoid the neck failure in the process of engineering application.
Keywords:casing hanger   strength analysis   ANSYS   optimization design
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