引风机的性能受到了电力部门越来越多的关注.发电厂效率和稳定性取决于其每个组成部分是否能按设计工况运行.由于引风机输送的是高温含尘烟气,并且常发生流量不足和振动现象,因此难以达到设计效率和出力.引风机的这些问题主要是因系统的空气动力条件不良引起的,在极端的情况下,还可能导致引风机的失效或需要大修. 引风机流量不足的主要原因有三个:集流器与叶轮前盘装配不当;进气的紊流造成 The performance of the induced draft fan has drawn more and more attention from the power sector.The efficiency and stability of the power plant depend on whether each component of the draft fan can work according to the design conditions.As the draft fan conveys high temperature and dusty fumes and often Insufficient flow and vibrations can occur, making it difficult to achieve design efficiency and output. These problems of induced draft fans are mainly due to the poor aerodynamic conditions of the system, which in extreme cases can also lead to the failure or overhaul of the induced draft fan. There are three main reasons for the lack of fan flow: improper assembly of the collector and impeller front disk; turbulence in the intake air