加热器课程设计(苑永生)

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1、辽宁石油化工大学实习设计本专业班级：焊接0932姓名：苑永生学号：0920883202实习、设计名称：耐热钢压力容器（换热器）的焊接生产实习、设计地点：辽宁石油化工大学实习、设计时间：2011年9月日至2011年10月12日指导教师：郭淑娟闫伟成绩：评阅人：27前言为强化所学专业知识，使之能融会贯通，学以致用，所以进行了此次课程设计，用以提升学生专业能力，为不久的就业工作做准备。本次课程设计是对压力容器的焊接结构生产进行分析设计，以15CrMoR珠光体耐热钢作为母材，对换热器（加热器）的筒体环焊缝的焊接生产进行分析研究。此次设计涉及多种焊接相关知识，如焊接结构、焊接

2、材料、焊接方法、焊接工艺制定及焊接工艺卡的编制等各方面内容，较为全面的概括了所学的知识，使之与生产实践相接轨，所以做好此次设计能为以后的工作打下良好的基础。在设计过程中，本人在图书馆参阅了相关的许多资料与书籍，并得到了郭淑娟老师、严伟老师的指导与帮助，对此，作者表示深切的谢意。鉴于编者水平有限，本次设计中难免会出现一些错误和需要改进的地方，恳请指导老师批评指正。苑永生2011年10月27目录1、课程设计目的与要求··········································51.1设计目的····························

3、·························51.2设计要求·····················································52、换热器（加热器）的简介······································61.1换热器的分类··················································61.2填料函式换热器（加热器）的结构原理····························63、母材的焊接性分析····························

4、·················83.115CrMoR钢的化学成分及分析27···································83.215CrMoR钢的焊接性分析········································83.2.1淬硬性···················································93.2.2再热裂纹倾向·············································93.2.3回火脆化···························

5、·····················104、焊接工艺·····················································124.1焊接方法的选择···············································124.2焊接材料的选择···············································124.3焊接参数的选择···············································13274.4坡口的选择与制备············

6、·································134.5焊前准备·····················································144.6焊前预热·····················································144.7焊后热处理···················································154.8焊后检测·····················································15结论··

7、····························································16课程设计总结····················································17附录······························································19附录A27焊接工艺规程···············································19附录B焊接工艺卡····························