Vibration is caused by periodic high pulsation of airflow resulted from the center eddy behind the inletdamper.
确定振动是由入口调节门后中心涡流引起的气流周期性高脉动造成的。
2
The damper configuration on inlet air duct to coal mills in pressurized direct pulverizing coal systems is analyzed and the optimized design schemes are presented.
分析正压直吹式制粉系统磨煤机进口风道的风门配置，得出最优化风门配置方案。
3
The system uses a vent fan, a manually adjustable backpressure damper, a differential pressure-sensing gage, and an inlet air filter high differential pressure alarm switch.