畢托管流量計特點

畢托管流量計將探(tan)針插入管(guan)道(dao)中(zhong)心，總壓(ya)孔(kong)對正(zheng)流體的來流方向(xiang)，靜(jing)壓(ya)孔(kong)對正(zheng)流體的去流方向(xiang)，總壓(ya)與靜(jing)壓(ya)之差(cha)即為管(guan)道(dao)中(zhong)心的實測差(cha)壓(ya)，再由該(gai)(gai)探(tan)針的風洞標(biao)定曲線擬(ni)合出該(gai)(gai)點(dian)的標(biao)準(zhun)差(cha)壓(ya)，智能畢托管流量計根據標準差壓來(lai)計算流(liu)體(ti)的(de)流(liu)量。還需(xu)用(yong)(yong)(yong)壓(ya)(ya)(ya)力(li)(li)變(bian)送(song)器(qi)測出流(liu)(liu)體壓(ya)(ya)(ya)力(li)(li)，用(yong)(yong)(yong)熱電(dian)阻溫(wen)(wen)度(du)(du)計測出流(liu)(liu)體溫(wen)(wen)度(du)(du)，把標(biao)準(zhun)差(cha)壓(ya)(ya)(ya)信號(hao)、壓(ya)(ya)(ya)力(li)(li)信號(hao)、溫(wen)(wen)度(du)(du)信號(hao)同時(shi)引入單片(pian)機構(gou)成(cheng)的(de)(de)流(liu)(liu)量(liang)(liang)(liang)(liang)積算(suan)儀或直(zhi)接接入DCS系(xi)統，一(yi)(yi)(yi)方(fang)面(mian)對(dui)探(tan)針(zhen)(zhen)的(de)(de)流(liu)(liu)量(liang)(liang)(liang)(liang)方(fang)程(cheng)進(jin)(jin)(jin)行(xing)(xing)(xing)解算(suan)，再一(yi)(yi)(yi)方(fang)面(mian)對(dui)蒸(zheng)汽(qi)進(jin)(jin)(jin)行(xing)(xing)(xing)壓(ya)(ya)(ya)力(li)(li)、溫(wen)(wen)度(du)(du)補償，以保(bao)(bao)證測量(liang)(liang)(liang)(liang)精度(du)(du)，并用(yong)(yong)(yong)數字顯(xian)示出差(cha)壓(ya)(ya)(ya)、壓(ya)(ya)(ya)力(li)(li)、溫(wen)(wen)度(du)(du)、瞬時(shi)流(liu)(liu)量(liang)(liang)(liang)(liang)、累積流(liu)(liu)量(liang)(liang)(liang)(liang)、熱量(liang)(liang)(liang)(liang)、速(su)度(du)(du)等參數。                                                     節(jie)能(neng)(neng)：由于一(yi)(yi)(yi)次(ci)測量(liang)(liang)(liang)(liang)元件(jian)(jian)智能(neng)(neng)探(tan)針(zhen)(zhen)是Φ20mm不(bu)銹鋼(gang)制成(cheng)，其截面(mian)積很小(xiao)(xiao)(xiao)在(zai)介(jie)(jie)質(zhi)(zhi)管(guan)(guan)(guan)道中幾乎無(wu)(wu)壓(ya)(ya)(ya)力(li)(li)損失，使運行(xing)(xing)(xing)成(cheng)本大(da)大(da)減小(xiao)(xiao)(xiao)，與孔板等節(jie)流(liu)(liu)裝(zhuang)(zhuang)(zhuang)置相比較具有明顯(xian)的(de)(de)節(jie)能(neng)(neng)效(xiao)果。耐高(gao)(gao)(gao)溫(wen)(wen)高(gao)(gao)(gao)壓(ya)(ya)(ya)：一(yi)(yi)(yi)次(ci)元件(jian)(jian)智能(neng)(neng)探(tan)針(zhen)(zhen)材(cai)質(zhi)(zhi)選用(yong)(yong)(yong)1Cr18Ni9Ti不(bu)銹鋼(gang) ( 根據不(bu)同介(jie)(jie)質(zhi)(zhi)選用(yong)(yong)(yong)特種鋼(gang) )，可耐介(jie)(jie)質(zhi)(zhi)zui高(gao)(gao)(gao)溫(wen)(wen)度(du)(du)650℃，介(jie)(jie)質(zhi)(zhi)zui高(gao)(gao)(gao)壓(ya)(ya)(ya)力(li)(li)32MPa 可靠(kao)性高(gao)(gao)(gao)：因探(tan)針(zhen)(zhen)的(de)(de)構(gou)造(zao)非(fei)常簡單，結構(gou)設計合理，導壓(ya)(ya)(ya)管(guan)(guan)(guan)內介(jie)(jie)質(zhi)(zhi)不(bu)流(liu)(liu)動，雜物(wu)(wu)不(bu)容(rong)易進(jin)(jin)(jin)去，所(suo)以能(neng)(neng)長時(shi)間保(bao)(bao)持測量(liang)(liang)(liang)(liang)精度(du)(du)。安(an)(an)裝(zhuang)(zhuang)(zhuang)簡便(bian)：只(zhi)需(xu)在(zai)管(guan)(guan)(guan)道合適(shi)的(de)(de)位置上(shang)打一(yi)(yi)(yi)個相當的(de)(de)孔，把一(yi)(yi)(yi)次(ci)元件(jian)(jian)探(tan)針(zhen)(zhen)插(cha)入管(guan)(guan)(guan)道中心，即(ji)可方(fang)便(bian)地(di)進(jin)(jin)(jin)行(xing)(xing)(xing)安(an)(an)裝(zhuang)(zhuang)(zhuang)。無(wu)(wu)需(xu)維(wei)護(hu)：一(yi)(yi)(yi)次(ci)測量(liang)(liang)(liang)(liang)元件(jian)(jian)探(tan)針(zhen)(zhen)本身無(wu)(wu)需(xu)維(wei)護(hu)，只(zhi)需(xu)按計量(liang)(liang)(liang)(liang)器(qi)具定(ding)期檢定(ding)要(yao)(yao)求對(dui)差(cha)壓(ya)(ya)(ya)變(bian)送(song)器(qi)進(jin)(jin)(jin)行(xing)(xing)(xing)零(ling)點(dian)和(he)滿度(du)(du)的(de)(de)校驗(yan)以及二次(ci)表輸(shu)入相應(ying)的(de)(de)電(dian)流(liu)(liu)進(jin)(jin)(jin)行(xing)(xing)(xing)校驗(yan)。測量(liang)(liang)(liang)(liang)范(fan)圍廣(guang)(guang)：流(liu)(liu)量(liang)(liang)(liang)(liang)在(zai)0.2 t/h～50000 t/h都(dou)可以精確測量(liang)(liang)(liang)(liang)。對(dui)低流(liu)(liu)速(su)、小(xiao)(xiao)(xiao)流(liu)(liu)量(liang)(liang)(liang)(liang)、大(da)管(guan)(guan)(guan)徑測量(liang)(liang)(liang)(liang)效(xiao)果尤(you)佳。廣(guang)(guang)泛(fan)用(yong)(yong)(yong)于氣(qi)(qi)(qi)(qi)體、蒸(zheng)汽(qi)和(he)液(ye)體流(liu)(liu)量(liang)(liang)(liang)(liang)測量(liang)(liang)(liang)(liang)。氣(qi)(qi)(qi)(qi)體：一(yi)(yi)(yi)次(ci)風速(su) ( 量(liang)(liang)(liang)(liang) )、二次(ci)風速(su) ( 量(liang)(liang)(liang)(liang) )、( 負壓(ya)(ya)(ya) ) 空氣(qi)(qi)(qi)(qi)、氧(yang)氣(qi)(qi)(qi)(qi)、氫氣(qi)(qi)(qi)(qi)、干氣(qi)(qi)(qi)(qi)、煤(mei)(mei)氣(qi)(qi)(qi)(qi) ( 轉爐(lu)煤(mei)(mei)氣(qi)(qi)(qi)(qi)、高(gao)(gao)(gao)爐(lu)煤(mei)(mei)氣(qi)(qi)(qi)(qi)、焦爐(lu)煤(mei)(mei)氣(qi)(qi)(qi)(qi) )、天然氣(qi)(qi)(qi)(qi)、液(ye)化(hua)(hua)氣(qi)(qi)(qi)(qi)、煙氣(qi)(qi)(qi)(qi)、 化(hua)(hua)工(gong)(gong)物(wu)(wu)料氣(qi)(qi)(qi)(qi)等；汽(qi)體：過熱蒸(zheng)汽(qi)、飽(bao)和(he)蒸(zheng)汽(qi)、濕蒸(zheng)汽(qi)、雙向(xiang)蒸(zheng)汽(qi)等；液(ye)體：水、不(bu)滿管(guan)(guan)(guan)水、輕油、焦油、原油、各(ge)種溶(rong)液(ye)、化(hua)(hua)工(gong)(gong)物(wu)(wu)料液(ye)等。介(jie)(jie)質(zhi)(zhi)管(guan)(guan)(guan)道橫截面(mian)形(xing)(xing)狀適(shi)用(yong)(yong)(yong)范(fan)圍廣(guang)(guang)：本流(liu)(liu)量(liang)(liang)(liang)(liang)計對(dui)介(jie)(jie)質(zhi)(zhi)管(guan)(guan)(guan)道截面(mian)的(de)(de)幾何形(xing)(xing)狀無(wu)(wu)要(yao)(yao)求，圓形(xing)(xing)、橢圓形(xing)(xing)、方(fang)形(xing)(xing)、長方(fang)形(xing)(xing)、棱形(xing)(xing)、三角形(xing)(xing)、 梯形(xing)(xing)等均適(shi)用(yong)(yong)(yong)。不(bu)要(yao)(yao)求直(zhi)管(guan)(guan)(guan)段：幾十(shi)年吹風實驗(yan)積累了(le)各(ge)種工(gong)(gong)況下(xia)彎(wan)管(guan)(guan)(guan)段到15倍(bei)管(guan)(guan)(guan)徑之間修正系(xi)數數據庫，只(zhi)要(yao)(yao)用(yong)(yong)(yong)戶提(ti)供直(zhi)管(guan)(guan)(guan)段長度(du)(du)即(ji)可，即(ji)使在(zai)彎(wan)管(guan)(guan)(guan)處安(an)(an)裝(zhuang)(zhuang)(zhuang)同樣保(bao)(bao)證精度(du)(du)。配有智能(neng)(neng)化(hua)(hua)二次(ci)儀表：既可數顯(xian)各(ge)項參數，又可進(jin)(jin)(jin)行(xing)(xing)(xing)遠程(cheng)通訊(xun)，構(gou)成(cheng)網絡，便(bian)于集中管(guan)(guan)(guan)理。

畢托管流量計特點