| 进口320MW机组汽缸中分面螺栓的国产化 |
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| 引用本文： | 贾滨刚,胡维成. 进口320MW机组汽缸中分面螺栓的国产化[J]. 东方汽轮机, 2011, 0(1): 26-30 |
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| 作者姓名： | 贾滨刚 胡维成 |
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| 作者单位： | 东方汽轮机有限公司,四川德阳618000 |
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| 摘 要： | 文章首先对进口机组汽缸中分面螺栓用材进行分析，通过与国内亚临界汽轮机高温螺栓用钢之比较，确定了该螺栓的代用材料，完成了螺栓热加工及冷加工制造。通过对螺栓强度的分析计算，确定了工作状态下保持汽密时螺栓中的应力及螺栓的初始应力。最后对螺栓现场安装技术要求进行了详细阐述。成功实施了进口机组中分面螺栓的国产化。
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| 关 键 词： | 中分面 螺栓 材料选择 强度计算 |
The Localization of Bolts for 320MW Imported Unit Cylinder Split |
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| Jia Bingang,Hu Weicheng. The Localization of Bolts for 320MW Imported Unit Cylinder Split[J]. Dongfang Turbine, 2011, 0(1): 26-30 |
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| Authors: | Jia Bingang Hu Weicheng |
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| Affiliation: | (Dongfang Turbine Co.,Ltd. Deyang Sichuan 618000) |
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| Abstract: | The article first analysed the material of split bolt for the import unit cylinder, comparing with the material of domestic sub-critical steam turbine high temperature steel bolts, determined alternative materials of the bolt, completed the thermal processing and cold bolt manufacturing. Through the analysis of bolt strength calculations to determine the initial stress of bolt under working conditions. Finally, bolt-site installation technical requirements were described in detail, the localization of bolts for the import unit split was implemented successfully. |
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| Keywords: | split bolt material selection strength calculation |
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