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渦街流量計

渦輪流量計不適用的場合

發布日期:2022-04-18 點擊率:52

  一、含雜質多的流體,如循環冷卻水、河水、排污水、燃油等;
  二、流量急劇變化的場所,如鍋爐供水系統、有空氣錘的供氣系統等;
  三、測量液體時,管道壓力不高而流量又較大,儀表下游側壓力可能接近飽和蒸汽壓,有產生氣穴的危險,如液氨從高位槽靠位能自由流出,在排放口處就不宜安裝;
  四、電焊機、電動機、有觸點的繼電器等的附近,存在嚴重電磁干擾的場所;
  五、上下游直管段長度嚴重不足,如輪船的機艙內;鍋爐自動供水系統如頻繁地起泵和停泵,對葉輪造成沖擊,使傳感器很快損壞;
  六、有腐蝕性或磨蝕性介質選型時應慎重。

標簽:                                    渦輪流量計


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