通风机毕业设计--KZ25-64-8 型轴流式通风机设计

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1、 I 摘要摘要 研究设计一个好的风机对节能有很重大的意义。合理的设计、选择和 使用通风机，关系到矿井的安全生产和煤矿职工的身体健康，对矿井的主 要技术经济指标也有一定影响。本设计查阅有关轴流式通风机设计的技术 资料，严格执行相应的国家或国际标准，参照现有的在实际应用的轴流风 机设计加工的图纸，对相应的尺寸、技术要求等取经验值。采用了目前国 内外对于中、高压轴流式通风机设计中广泛应用的叶栅设计法进行叶片叶 型的设计。引入了计算机辅助设计，专门编制了相应的计算机应用程序， 来自动进行验算，最后直接得到计算结果。采用扭曲机翼型叶片，气动效 率高，节能效果极为显著；叶片安装角度可调，可根据矿井生产的变

2、化， 随时调节风机状况。 关键词：关键词：轴流式通风机；动叶可调；计算机辅助设计；平面叶栅设计法 II ABSTRACT The research and design a good fan of the energy has a tremendous significa-nce. Reasonable design, selection and use of a fan, put a great impact on the mines safety and physical health of miners,as well as on the mines main technical and

3、 economic indicators. The design of axial fl- ow fan design access to technical information, strict implementation of re- levant national or international standards, reference to the practical applic- ation of the existing axial fan design and processing of the drawings, the size of the correspondin

4、g technical requi-rements from experience the va- lue . For use at home and abroad in the design of high-pressure axial fa- n blade design widely used method BLADE design.The introduction of c- omputer-aided design, specifically the preparation of the c-orresponding c- omputer applications to automatic checking, the final results dir-ectly. Usi- ng twisted aerofoil blades, aerodynamic efficiency, energy conservation is the most effective; blade angle can be adjusted, according to changes in