一、阿姆斯壮SH-600双金属蒸汽疏水阀特色
阿姆斯壮的sh-600双金属疏水阀工作的影响,温度升高对双金属元件。它调整本身改变的条件下,作为阀门上的增加的压力是由由温度升高引起的双金属元素的弯曲补偿。
阿姆斯壮的sh-600双金属疏水阀是用于其他圈闭样式不抵抗恶劣的工作条件下应用的理想解决方案。它还具有处理大启动过热应用相关的负载能力。独特的双金属元件允许关闭紧密,过热度达到陷阱防止蒸汽损失之前。的sh-600利用钛阀和阀座确保在过热蒸汽系统的恶劣环境,极长的使用寿命。
二、阿姆斯壮SH-600双金属蒸汽疏水阀
SH-600 Series Bimetallic Traps
Carbon Steel
For pressures to 595 psig (41 bar) . . .
Cold water capacities to 8,818 lb/hr (4000 kg/hr)
Armstrong’s SH-600 Bimetallic Steam Trap operates by the effect that rising temperature has on bimetallic elements。
It adjusts itself to changing conditions, as the increasing pressure on the valve is compensated by the curving of the bimetallic elements caused by the increasing temperature。
Armstrong’s SH-600 Bimetallic Steam Trap is the ideal solution for applications wher other trap styles are not resisting to tough operating conditions. It also has the ability to handle the large start up loads associated with superheat applications. The unique bimetallic element allows for tight shut off before superheat reaches the trap thus preventing steam loss. The SH-600 utilizes a titanium valve and seat to ensure extremely long service life in the harsh environment of superheated steam systems.
三、阿姆斯壮SH-600双金属蒸汽疏水阀作业原理
蒸汽疏水阀安装在蒸汽加热设备与凝结水回水集管之间。开车时,桶在底部,阀门全开。凝结水进入疏水阀后流到桶底,充满阀体,全部浸没桶体,然后,凝结水通过全开阀门排至回水集管。蒸汽也从桶体底部进入疏水阀,占据桶体内的顶部,产生浮力。
桶体慢慢升起,逐渐向阀座方向移动杠杆,直到完全关闭阀门。空气和二氧化碳气体通过桶体的排气小孔,聚集在疏水阀的顶部。从排气孔排出的蒸汽,都会因疏水阀的散热而凝结。当进来的凝结水开始充满桶体时桶体开始对杠杆产生一个拉力。
随着凝结水位不断升高,产生的力不断增加,直到能够克服压差,打开阀门。疏水阀阀门开始打开,作用在阀瓣上的压差就会减小。桶体将迅速下降,使阀门全开。积聚在疏水阀顶部的不凝性气体先排出,然后凝结水排出。水流从桶体流出时带动污物一起流出疏水阀。凝结水排放的同时,蒸汽重新开始进入疏水阀,新的一个周期又开始了。
四、阿姆斯壮SH-600双金属蒸汽疏水阀
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