2010-03-31 13:18:15 阅读4 评论0 字号:大中小
译文:
倒吊桶式疏水阀内部是一个倒吊桶为液位敏感件,吊桶开口向下,倒吊桶连接杠杆带动阀芯开闭阀门。倒吊桶式疏水阀能排空气,不怕水击,抗污性能好。过冷度小,漏汽率小于3%,{zd0}背压率为75%,连接件比较多,灵敏度不如自由浮球式疏水阀。因倒吊桶式疏水阀是靠蒸汽向上浮力关闭阀门,工作压差小于0.1MPA时,不适合选用。 当装置刚启动时,管道内的空气和低温凝结水进入疏水阀内,倒吊桶靠自身重量下坠,倒吊桶连接杠杆带动阀芯开启阀门,空气和低温凝结水迅速排出。当蒸汽进入倒吊桶内,倒吊桶的蒸汽产生向上浮力,倒吊桶上升连接杠杆带动阀芯关闭阀门。倒吊桶上开有一小孔,当一部份蒸汽从小孔排出,另一部份蒸汽产生凝结水,倒吊桶失去浮力,靠自身重量向下沉,倒吊桶连接杠杆带动阀芯开启阀门,循环工作,间断排水。
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原文:
Inverted Bucket Steam Trap is an inverted bucket inside for the level-sensitive parts, bucket opening down, inverted bucket connection open and close the valve lever drive spool. Inverted bucket-type traps to row the air, not afraid of water hammer, dirt performance is good. Undercooling small steam leakage rate of less than 3%, the maximum back pressure was 75%, connectors are more sensitive than the free float-type traps. By inverted bucket type steam traps are up by buoyancy close the valve, when the work pressure is less than 0.1MPA not suitable for use. When the device has just started, the air inside the tubes and the low temperature inside the condensate into the steam trap, inverted bucket by its own weight to fall, driven down bucket valve lever to open the valve connecting the air and cold condensate discharge rapidly. When the steam back into the bucket, the inverted bucket steam generated upward buoyancy, inverted bucket up lever drive connected close the valve spool. Pour a bucket on the opening hole, when a part of the steam discharged from the hole, the other part of the steam condensate produced, inverted bucket to lose buoyancy, by its own weight goes down, inverted bucket link lever to open the valve spool driven, cycle work, intermittent drainage.