天气预报15天查询> 其他> 循环流化床锅炉漏风实验分哪几种

循环流化床锅炉漏风实验分哪几种

更新时间: 2020-07-04 00:00:00     

一、用负压法试验的检查锅炉本体及烟道的严密性,其程序是:

1、严密关闭各部位人孔门、检查孔及放渣孔;

2、启动引风机,保持炉膛出口负压500到750帕;

3、用小火把或飘带靠近锅炉本体各处的风烟道及除尘器进行检查,火把或飘带被吸引的位置即证明该处漏风,在漏风部位划上记号,试验完毕,予以堵塞。

二、用正压法检查空气预热器、风道及挡板的严密性,其程序是:

1、退出联锁开关,启动一次风机,调节其挡板开度,保持炉膛正压500到750帕,通知热工人员

关键词: 循环 流化床 锅炉 漏风 实验

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