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离心通风机的试运转的要求有哪一些呢?

作者: 来源: 发布日期: 2024-06-25 浏览次数:
信息摘要:
离心通风机试运转的要求如下:1、点动马达,离心通风机各部位应无异常现象及摩擦声,方可运转;2.风机开始到达正常转速后,应在0℃至5℃调节门开度的小负荷范围内运行。轴承温升稳定后,连续运行时间不得少于2…

离心通风机试运转的要求如下:

1、点动马达,离心通风机各部位应无异常现象及摩擦声,方可运转;

2.风机开始到达正常转速后,应在0℃至5℃调节门开度的小负荷范围内运行。轴承温升稳定后,连续运行时间不得少于20min;

离心通风机


3.小负荷运行正常后,应逐渐开启大调节门,但电机电流不得越过额定电流,直至规定负荷时,连续运行时间不得小于2小时;

4、带滑动轴承的大型通风机,试负荷运行2h后应停止检查轴承,轴承应无异常,当合金表面有局部研伤时,应进行修整,再连续运行不少于6h;

5.离心通风机在高温下运行时,其升温速率不应越过50℃/h;低温试运转时,电机不能过载;

6.风机厂家调整时轴承温升不得越过40℃,轴承温升不得越过65℃,轴承部件振动速度不得越过6.3mm/s。

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