Detection and Prevention of Air Leakage from Sinter Plant EP

Posted on 08 February 2013
 

Detection and Prevention of Air Leakage from Sinter Plant EP
Detection and Prevention of Air Leakage from Sinter Plant EP BY J.S. Shiau* and S.H. Liu* SYNOPSIS: The function of double cone valve (DCV) below the electrostatic precipitator (EP) in sintering plant is for collecting the larger dust inside EP. The DCV leakage will reduce EP efficiency thus cause the dust emission from the stack. Therefore, it is quite important to replace the DCV appropriately for avoiding leakage owing to a longterm mechanical abrasion. In the past, the field staff determine this leakage by means of listening. However, it is time-consuming, laborious and not effective necessarily. This study set up a capillary type of differential pressure gauge to DCV for examining the leakage situation. The criteria for determining leaked DCV and the patterns for replacing the DCV were proposed to offer field staff a basis of maintaining or renewing via a longterm observation of differential pressure. 2011 ESCO Seminar

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