天气预报 > 生活 > 呼吸阀原理
呼吸阀原理
更新时间: 2021-05-13 06:52:03  

1、当罐内介质的压力在呼吸阀的控制操作压力范围之内时,呼吸阀不工作,保持油罐的密闭性。

2、当往罐内补充介质,使罐内上部气体空间的压力升高,达到呼吸阀的操作正压时,压力阀被顶开,气体从呼吸阀呼出口逸出,使罐内压力不在继续增高;罐外的大气将顶开呼吸阀的负压阀盘。

关键词: 呼吸 原理

呼吸阀原理相关经验

天气预报

最新推荐

页面:/news/view-3289504/ | 耗时:0.6141 s | 内存:2.11 MB | 查询:4 | 缓存读取:3 写入:0 | 加载文件:25
select * from tbl_Articles WHERE ArticleID=3289504 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=3289504 LIMIT 0,1
select * from tbl_Articles_sphinx where id=3289504 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(2278829,4082419,2385761,88535,4054182,848727,4062978,436448,795042,703828,3699828,844209,440435,2377038,1192099,2057632,939787,3650790,3915810,96016,1086911,951714,1564071,4124416,1526521,1182343,1053850,1628266,3884131,454989) ORDER BY field (ArticleID,2278829,4082419,2385761,88535,4054182,848727,4062978,436448,795042,703828,3699828,844209,440435,2377038,1192099,2057632,939787,3650790,3915810,96016,1086911,951714,1564071,4124416,1526521,1182343,1053850,1628266,3884131,454989)