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["Bruchnerwechge分子筛切换阀安装方向安装方向\n1安装方向\n被压\n分子筛切换阀的安装方向\n被压\n分子筛切换阀的安装方向\n被压\n分子筛切换阀的安装方向\n被压\n分子筛切换阀的安装方向\n被压\n分子筛切换阀的安装方向\n被压\n分子筛切换阀的安装方向\n被压\n分子筛切换阀的安装方向\n被压\n分子筛切换阀的安装方向\n被压\n分子筛切换阀的安装方向\n被压\n分子筛切换阀的安装方向\n被压\n分子筛切换阀的安装方向\n被压\n分子筛切换阀的安装方向\n被压\n分子筛切换阀的安装方向\n被压\n分子筛切换阀的安装方向\n被压\n分子筛切换阀的安装方向\n被压\n分子筛切换阀的安装方向\n被压\n分子筛切换阀的安装方向\n被压"

2018-12-01View Original

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["初学者请教大神们一个问题:在分子筛的流程中,分子筛都是成对配置,一个用于再生,一个用于吸附;对应的有八台分子筛切换阀,之前为蝶阀,现在多为三杆阀。我看流程图要求分子筛后面的四台阀反装(即阀体上标识的流向与流程图中的方向相反),我不太理解为什么要这么要求,懂得师父们帮忙耐心讲解一下。
Reply #22018-12-01
"Das ist安装方向\n被压\n分子筛切换阀的安装方向\n被压\n分子筛切换阀的安装方向\n被压\n分子筛切换阀的安装方向\n被压\n分子筛切换阀的安装方向\n被压\n分子筛切换阀的安装方向\n被压\n分子筛切换阀的安装方向\n被压\n分子筛切换阀的安装方向\n被压\n分子筛切换阀的安装方向\n被压\n分子筛切换阀的安装方向\n被压\n分子筛切换阀的安装方向\n被压\n分子筛切换阀的安装方向\n被压\n分子筛切换阀的安装方向\n被压\n分子筛切换阀的安装方向\n被压\n分子筛切换阀的安装方向\n被压\n分子筛切换阀的安装方向\n被压\n分子筛切换阀的安装方向\n被压\n分子筛切换阀的安装方向\n被压\n分子筛切换阀的安装方向\n被压\n分子筛切换阀的安装方向\n被压"
Reply #32019-02-14
正装反装是相对于流程而言的,即阀体标识压力方向与流程方向相反。先说分子筛后空气送出阀为啥反装,主要是该流程再生时(降压),另一路吸附(正常压力)而这两路会汇合为一路,所以若正装则会出现阀后压力高于阀前压力,为了保护分子筛则要求反装。再说污氮气进气阀为啥反装;分子筛吸附时该阀关闭;按流程图来看(阀前为污氮气,压力低;阀后为主空气压力高)。

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