1. 毕业设计（论文）的内容和要求

（1）参考国内外相关腐蚀标准规范及文献了解多晶硅精馏塔生产所涉及的危险物料及工艺条件； （2）利用安全系统工程评价方法对多晶硅精馏塔进行危险性分析； （3）结合分析结果对半导体多晶硅精馏塔提出相关保护措施。

2. 参考文献

①z. dou, j. c. jiang, z. r. wang, s. p. zhao, h. q. yang, g. b. mao. kinetic analysis for spontaneous combustion of sulfurized rust in oil tanks[j]. journal of loss prevention in the process industries, 2014(32): 387-392； ②z. dou, j. c. jiang, s. p. zhao, g. b. mao, m. g. zhang, l. wang, z. r. wang. experimental investigation on oxidation of sulfurized rust in oil tank[j]. journal of loss prevention in the process industries, 2015(38): 156-162； ③z. dou, j. c. jiang , s. p. zhao, w. x. zhang, l. ni, m. g. zhang, z. r. wang. analysis on oxidation process of sulfurized rust in oil tank[j]. process safety and environmental protection； ④han l, han l, liu c. neural network applied to prediction of the failure stress for a pressurized cylinder containing defects[j]. international journal of pressure vessels piping, 1999, 76(76): 215-219. ⑤ping x, zheng j, liu p, et al. risk identification and control of stationary high-pressure hydrogen storage vessels[j]. journal of loss prevention in the process industries, 2009, 22(6): 950-953. ⑥portela a, aliabadi m h, rooke d p. the dual boundary element method: effective implementation for crack problems[j]. international journal for numerical methods in engineering, 1992, 33(6): 1269-1287. ⑦blandford g e, ingraffea a r, liggett j a. two-dimensional stress intensity factor computations using boundary element method[j]. international journal for numerical methods in engineering, 1981, 17(3): 387-404. ⑧raju i s, newman j c. stress-intensity factors for a wide range of semi-elliptical surface cracks in finite-thickness plates[j]. engineering fracture mechanics, 1979, 11(4): 817-829. ⑨tao w m, cao z y, ji x. analysis of 3d crack problems by mapping semi-analytical bem[j]. communications in numerical methods in engineering, 1997, 13(11): 827-834. ⑩dai s h. life extension, reliability analysis and expert system for the assessment of fatigue damage in structures with welded defects#8212;a study of applications of high technology in reliability analysis for pressure vessel technology[j]. international journal of pressure vessels piping, 1993, 56(2): 263-273. #9322;rice j r. a path independent integral and the approximate analysis of strain concentration by notches and cracks[j]. journal of applied mechanics, 1967, 35(2): 379-386. #9323;hutchinson j w. plastic stress and strain fields at a crack tip[j]. journal of the mechanics physics of solids, 1968, 16(5): 337-342. #9324;chen g, dai s. study on the reliability assessment methodology for pressure vessels containing defects[j]. international journal of pressure vessels piping, 1996, 69(3): 273-277. #9325;qian g, niffenegger m. integrity analysis of a reactor pressure vessel subjected to pressurized thermal shocks by considering constraint effect[j]. engineering fracture mechanics, 2013, s 112-113(s 112-113): 14-25. #9326;li p n, lei y, zhong q p, et al. a chinese structural integrity assessment procedure for pressure vessels containing defects[j]. international journal of pressure vessels piping, 2000, 77(01): 945-952. #9327;闫琦. 多晶硅产业现状与发展趋势[j]. 氯碱工业, 2013,49(7):1-6。

#9328;王伟, 赵玲, 王超. 我国改良西门子法和冶金法多晶硅生产的现状 [j]. 广州化工, 2012,40(19):21-22。

#9329;唐继国，殷福河，王晓红. 操作型精馏塔影响因素的分析 [j]. 青岛化工学院学报，2013，（2）：161-163。

3. 毕业设计（论文）进程安排

2019.1.10～1.17 查阅与论文有关的中英文资料，全面了解课题 2019.2.24～3.29 整理筛选资料，完成开题报告初稿；同时，构思论文的框架结构 2019.3.30～4. 5 完善开题报告初稿的基础上，深入细致的研究资料，完成论文概述部分的内容 2019.4.6～4.19 选择合适的，符合要求的英语文章，逐步完成英文翻译；进一步收集、阅读相关资料和文献 2019.4.20～5.31 完成论文的主体部分：对半导体多晶硅精馏塔物料及工艺危险性进行分析 2019.6.1～6.7 完成论文的主体部分：结合安全系统过程评价方法得出的结果对精馏塔提出安全防护措施 2019.6.8～6.10 完成论文定稿，修改完善论文做答辩准备