孔板計(jì)量的弊病
從我國目前能源三氣計(jì)量現(xiàn)狀來看，作為煤氣、天然氣、蒸汽管道集輸與工業(yè)用氣（汽）的計(jì)量手段，大量使用的還是孔板，直徑在DN200mm以上的場合尤為如此。
使用孔板計(jì)量的弊病，是業(yè)內(nèi)人士早已取得共識(shí)的問題，為引起更大范圍的關(guān)注，為有益于推廣使用測量新技術(shù)，改善如上“三氣”的計(jì)量現(xiàn)狀，這里還有必要就這一老問題予以重提。
1、孔板存在著不可避免的“銳邊磨蝕”和“積污”問題。測量原理決
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2009年6月29日
淡淡孔板計(jì)量的弊病
Tags: 孔板計(jì)量 孔板流量計(jì)
發(fā)布:nv2118 | 分類:差壓式流量計(jì) | 評(píng)論:0 | 引用:0 | 瀏覽:
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