本文選題：螺栓法蘭 + ANSYS��； 參考：《浙江海洋大學(xué)》2017年碩士論文

【摘要】：螺栓法蘭結(jié)構(gòu)具有密封性能好、拆卸方便、強(qiáng)度高的優(yōu)點(diǎn),因其優(yōu)點(diǎn)該結(jié)構(gòu)在油氣管道、壓力容器連接處有著比較廣泛的應(yīng)用。但因其工況環(huán)境的復(fù)雜性,法蘭接頭處的密封系統(tǒng)可能會密封失效從而出現(xiàn)泄漏現(xiàn)象。這樣不僅造成資源浪費(fèi),對周圍環(huán)境造成嚴(yán)重污染,甚至?xí)苯油{人民的人身財(cái)產(chǎn)安全,可見螺栓法蘭系統(tǒng)對管道和壓力容器的安全運(yùn)行起著至關(guān)重要的作用。而法蘭強(qiáng)度的大小與法蘭泄漏之間有著極其密切的關(guān)系,分析法蘭系統(tǒng)受力強(qiáng)度大小對分析法蘭泄漏情況有極其重要的意義。本文的研究對象是由法蘭-螺栓-墊片組成的螺栓法蘭整體結(jié)構(gòu),借助Pro/ENGINEER軟件構(gòu)建三維參數(shù)模型,并通過ANSYS Workbench軟件對整體螺栓法蘭結(jié)構(gòu)和組成零件進(jìn)行有限元分析,分析出整體及各零件的應(yīng)力及應(yīng)變分布規(guī)律,得出螺栓法蘭連接系統(tǒng)在預(yù)緊情況下以及在承壓工況下的受力和應(yīng)變的變化規(guī)律。結(jié)果表明:預(yù)緊和承壓工況時(shí),螺栓法蘭連接件整體和各組成零件件應(yīng)力分布規(guī)律變化基本一致,并且隨著管稱壓力的逐漸增大,各部位所受到的應(yīng)力強(qiáng)度也逐漸增大,而法蘭和螺栓的變形也隨著壓力的增強(qiáng)而隨之變大。文章的最后把有限元法與優(yōu)化設(shè)計(jì)思想相結(jié)合,以ANSYS Workbench軟件的Design Exploration模塊為工具對螺栓法蘭整體結(jié)構(gòu)的組成零件進(jìn)行參數(shù)優(yōu)化分析。通過分析計(jì)算得到法蘭連接系統(tǒng)各部件優(yōu)化后的幾何尺寸,這對減小螺栓法蘭接頭所受的最大等效應(yīng)力、降低法蘭變形量、提高螺栓法蘭的使用壽命具有非常重要意義,也可為螺栓法蘭連接系統(tǒng)各零件的設(shè)計(jì)提供較合理的的指導(dǎo)和借簽作用。
[Abstract]:The bolted flange structure has the advantages of good sealing performance, convenient disassembly and high strength. Because of its advantages, the structure is widely used in the connection of oil and gas pipelines and pressure vessels. However, due to the complexity of the working environment, the sealing system at the flange joint may fail and leak. This will not only cause waste of resources, cause serious pollution to the surrounding environment, but also directly threaten the personal and property safety of the people. It can be seen that the bolted flange system plays an important role in the safe operation of pipelines and pressure vessels. The flange strength is closely related to the flange leakage. It is very important to analyze the flange system strength. The research object of this paper is the whole structure of bolt flange which is composed of flange, bolt and gasket. With the help of Pro/ENGINEER software, the 3D parameter model is constructed, and the finite element analysis of the structure and component parts of integral bolt flange is carried out by ANSYS Workbench software. The stress and strain distribution of the whole and the parts are analyzed, and the variation law of the stress and strain of the bolted flange connection system under the condition of preload and under pressure is obtained. The results show that the stress distribution of bolted flange joints is basically the same as that of component parts under preloading and pressure-bearing conditions, and with the increasing of pipe pressure, the stress intensity of different parts increases gradually. The deformation of flanges and bolts also increases with the increase of pressure. In the end of this paper, the finite element method is combined with the idea of optimal design, and the parameter optimization analysis of the integral structure of bolted flange is carried out by using the Design Exploration module of ANSYS Workbench software as a tool. Through the analysis and calculation, the optimized geometric dimensions of the components of the flange connection system are obtained, which is of great significance to reduce the maximum equivalent stress of the bolted flange joint, reduce the flange deformation and improve the service life of the bolted flange. It can also provide reasonable guidance and sign for the design of bolt flange connection system.
【學(xué)位授予單位】：浙江海洋大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2017
【分類號】：TH131.3

【參考文獻(xiàn)】

相關(guān)期刊論文 前10條

1 王曉煜;張洋;李榮華;周穎;;成組不等徑直槽絲錐的優(yōu)化設(shè)計(jì)及有限元分析[J];大連交通大學(xué)學(xué)報(bào);2016年06期

2 孫建民;徐冰晶;;有限元及其在現(xiàn)代機(jī)械工程中的運(yùn)用[J];科技與企業(yè);2015年12期

3 朱四化;;淺談石油管道連接法蘭密封泄漏的分析與預(yù)防措施[J];化工管理;2014年29期

4 A.ABEDIAN;J.PARVIZIAN;A.DSTER;E.RANK;;Finite cell method compared to h-version finite element method for elasto-plastic problems[J];Applied Mathematics and Mechanics(English Edition);2014年10期

5 李應(yīng)華;;螺栓預(yù)緊力確定[J];機(jī)械工程師;2013年06期

6 張瓊;;高溫螺栓法蘭連接系統(tǒng)的密封性[J];中國特種設(shè)備安全;2013年04期

7 喻健良;羅從仁;張忠華;閆興清;;法蘭密封系統(tǒng)螺栓加載方式試驗(yàn)研究[J];壓力容器;2012年11期

8 蔡仁良;蔡暖姝;章蘭珠;范淑玲;應(yīng)道宴;;螺栓法蘭接頭安全密封技術(shù)(二)——基于控制泄漏率的墊片應(yīng)力及其試驗(yàn)方法[J];化工設(shè)備與管道;2012年05期

9 孫洪鐵;;有限單元法概述及其基本概念的分析[J];山西建筑;2012年14期

10 閔加豐;朱海清;;基于ANSYS Workbench有螺栓預(yù)緊力的沖壓法蘭的有限元模態(tài)分析[J];鍛壓裝備與制造技術(shù);2012年01期

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本文編號：1911196