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                                                                                                                                              流量計安裝

                                                                                                                                              發布時間:2017-4-1 9:36:02訪問次數:
                                                                                                                                              V錐流量計測量蒸汽的正確安裝
                                                                                                                                                V錐流量計測量蒸汽流量的時候,和常規的流量計安裝有著許多不同的地方,因為蒸汽的特殊性,必須注意安裝上的問題,否則的話,不但V錐流量計本身無法正常工作,而且嚴重的還會造成現場工藝的危險性。下面就給大家介紹下如何在保證精度和安全性的基礎上來安裝流量計:
                                                                                                                                                1.在安裝前,必須檢查流量計裝箱清單,對照廠家計算書檢查V錐流量計的開孔和差壓變送器的量程,其次就是要保證現場直管段的長度。
                                                                                                                                                  2.正確使用密封墊,合適規格的螺桿螺帽,彈簧墊,對稱均力逐步上緊,保證測量冷凝器安裝在同一高度,注意的是,冷凝器不能安裝在V錐流量計測量系統的最低點,防止產生測量誤差!
                                                                                                                                                3.可水平、垂直或傾斜安裝,應保證管內充滿介質流體。導壓管長度最好在16M內。
                                                                                                                                                4.裝測溫元件地方最好在節流件下游側10D以外處,在管道或正壓管上取壓時,如壓力變送器裝在節流裝置下方,必須對壓力變送器的管路液柱值進行修正,以提高計量準確度! 
                                                                                                                                                由于V錐流量計長期處在高溫、高壓的水蒸汽環境中,很容易造成表件損壞、銹蝕、雜質阻塞等,因此需要經常維護和定期檢修。檢查沒有附著臟物,要定期清洗。


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