Corrosion phenomenon of gas blowerimpeller is introduced, the corrosive reason is briefly analyzed, and 8 items of improving measures are put forward.
介绍了煤气鼓风机叶轮腐蚀现象，并简单分析了腐蚀原因，还提出了8项改进措施。
2
Combining with development of high speed blowerimpeller with large titanium material cast welding structure, the manufacturing technical feature of the impeller is set forth.
结合大型钛材铸焊结构高速鼓风机叶轮的研制，阐述了其叶轮的制造工艺特点。
3
The work process accurate dividing of three blade impeller realized by the use of positioning in the processing of three blade impeller for Roots blower are described.