轴流一次风机存在问题分析处理

Analysis and Treatment of Axial Flow Primary Fan

双级动叶可调轴流一次风机由于制造、安装、维修技术要求高,不稳定失速区间大,失速问题频发。文章分析动叶可调轴流一次风机失速原因,提出了运行调整和自动控制等预防措施,有效预防了轴流一次风机失速再次发生。

The two-stage moving blade adjustable axial flow primary fan has high technical requirements for manufacturing,installation and maintenance,and the unstable stall range is large,and the stall problem frequently occurs.This paper analyzes the reasons for the stall of the primary fan of the adjustable axial flow of the moving blade,and proposes preventive measures such as operation adjustment and automatic control,which effectively prevent the recurrence of the stall of the axial flow primary fan.