| 废热锅炉下管箱与其内衬刚玉变形协调分析及优化 |
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| 引用本文： | 王元华,陈明亚,史永红,徐宏,何元章. 废热锅炉下管箱与其内衬刚玉变形协调分析及优化[J]. 压力容器, 2010, 27(4): 16-21. DOI: 10.3969/j.issn.1001-4837.2010.04.005 |
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| 作者姓名： | 王元华 陈明亚 史永红 徐宏 何元章 |
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| 作者单位： | 1. 华东理工大学,机械与动力工程学院,化学工程联合国家重点实验室,上海,200237
2. 扬子石化烯烃厂,江苏,南京,211521 |
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| 基金项目： | 上海市重点学科建设项目 |
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| 摘 要： | 采用有限元分析软件ANSYSY对"浴缸式"急冷废热锅炉下管箱及其内衬刚玉的温度分布和热变形进行了数值模拟研究,通过模拟得出了废热锅炉下管箱壳体与其内衬有4 mm左右的热变形间隙,这对刚玉开裂与下管箱的温度场都有较大影响。针对该设备运行过程中存在内衬开裂、筒体温度过高、法兰密封失效的问题,提出了对下管箱筒体增设加强圈、下管箱内衬刚玉分块和在托板与刚玉之间预留热变形间隙等优化措施,这些措施可以有效改善下管箱壳体与其内衬热变形协调性和下法兰密封性能,具有实际意义。
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| 关 键 词： | 废热锅炉 内衬 开裂 下管箱 有限元 |
Deformation Compatibility Analysis and Optimization f Down Channel and Its Liner of Waste Heat Boiler |
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| WANG Yuan-hua,CHEN Ming-ya,SHI Yong-hong,XU Hong,HE Yuan-zhang. Deformation Compatibility Analysis and Optimization f Down Channel and Its Liner of Waste Heat Boiler[J]. Pressure Vessel Technology, 2010, 27(4): 16-21. DOI: 10.3969/j.issn.1001-4837.2010.04.005 |
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| Authors: | WANG Yuan-hua CHEN Ming-ya SHI Yong-hong XU Hong HE Yuan-zhang |
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| Affiliation: | WANG Yuan - hua, CHEN Ming - ya , SHI Yong - hong, XU Hong, HE Yuan - zhang ( 1. State - Key Laboratory of Chemical Engineering, School of Mechanical and Power Engineering, East China University of Science and Technology, Shanghai 200237, China; 2. Yangzi Petrochemical Olefins Plant, Nanjing 211521, China) |
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| Abstract: | Temperature field, thermal deformation of the down channel and its liner of the ＂bathtub - style＂ TLE（Transfer Line Exchanger） were simulated by software ANSYS. The simulation results show that there is about 4 mm thermal deformation space between shell and its liner, which has a greater impact on liner cracking and the temperature field. Considering the cracking of liner, high temperature of equipment, poor sealing performance, the optimized design, such as stiffening ring, sub - blocks of liner and reserve clearance between the liner and the support plates were given. The optimized design of this paper is of great significance to the improvement of deformation compatibility and sealing in industry. |
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| Keywords: | waste heat boiler liner cracking down channel FEM |
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