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#f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>常州插入式巴類流量計廠家直供,流量計</p><p><span>***更新：</span>2020-12-27 05:09:56</p><p><span id="click" >瀏覽次數(shù)：0次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="qfh7mu2" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">江蘇中徽測控儀表有限公司</a></p><p><span>聯(lián)系人：</span>姜經(jīng)理</p><p><span>郵箱: </span>jszhck@163.com</p><p><span>電話: </span>13770424300</p><p><span>傳真: </span>0517_86903470</p><p><span>網(wǎng)址: </span>http://www.jszhckyb.com</p><p><span>手機(jī): </span>0517-86900078</p><p><span>地址: </span>江蘇省淮安市金湖縣工業(yè)集中區(qū)A區(qū)3號</p><p>[當(dāng)前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="bbd3kc3" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="wj7jbif" class="box"><p><p style="text-indent:25px">充滿管道的流體，當(dāng)它們流經(jīng)管道內(nèi)的節(jié)流裝置時，流束將在節(jié)流裝置的節(jié)流件處形成局部收縮，從而使流速增加，靜壓力低，于是在節(jié)流件前后便產(chǎn)生了壓力降，即壓差，介質(zhì)流動的流量越大，在節(jié)流件前后產(chǎn)生的壓差就越大，所以孔板流量計可以通過測量壓差來衡量流體流量的大小。這種測量方法是以能量守衡定律和流動連續(xù)性定律為基準(zhǔn)的。智能節(jié)流裝置（孔板流量計）是集流量、溫度、壓力檢測功能于一體，并能進(jìn)行溫度、壓力自動補(bǔ)償?shù)男乱淮髁坑?，該孔板流量計采用先進(jìn)的微機(jī)技術(shù)與微功耗新技術(shù)，功能強(qiáng)，結(jié)構(gòu)緊湊，操作簡單，使用方便?！装辶髁坑嫻?jié)流裝置結(jié)構(gòu)易于復(fù)制，簡單、牢固，性能穩(wěn)定可靠，使用期限長，價格低廉。▲孔板計算采用國際標(biāo)準(zhǔn)與加工▲孔板流量計應(yīng)用范圍廣，全部單相流皆可測量，常州插入式巴類流量計廠家直供，部分混相流亦可應(yīng)用?！鴺?biāo)準(zhǔn)型節(jié)流裝置無須實(shí)流校準(zhǔn)，即可投用?！惑w型孔板流量計安裝更簡單，常州插入式巴類流量計廠家直供，無須引壓管，常州插入式巴類流量計廠家直供，可直接接差壓變送器和壓力變送器。質(zhì)量流量計額安裝時建議在流量計進(jìn)口處加過濾器。常州插入式巴類流量計廠家直供</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="常州插入式巴類流量計廠家直供,流量計" src="https://tyunfile.71360.com/UploadFile/jszhck/637436289067451760/3371916.png"></div><p style="text-indent:25px">渦街流量計與孔板流量計的技術(shù)對比①、渦街流量計的結(jié)構(gòu)相對簡單主要由漩渦發(fā)生體、檢測元件、信號放大器三個元部件組成，而目前我們對渦街的漩渦發(fā)生體的研究已經(jīng)相當(dāng)成熟了，漩渦體以三角柱為優(yōu)等形態(tài)，同時渦街流量計也具有安裝簡便，精度高，長時間運(yùn)行穩(wěn)定等特點(diǎn)；②、現(xiàn)階段的孔板流量計技術(shù)水平還停留在以確定經(jīng)驗(yàn)公式為基礎(chǔ)，1980年國際標(biāo)準(zhǔn)化組織將R541與R781兩個標(biāo)準(zhǔn)合并成標(biāo)準(zhǔn)ISO5167（1980）；③、孔板流量計的結(jié)構(gòu)也較為簡單、造價低、可靠等特點(diǎn)，孔板流量計幾乎可以測量所有介質(zhì)，并且配套差壓變速器使用，足以彌補(bǔ)其自身的不足之處；常州插入式巴類流量計廠家直供1、標(biāo)準(zhǔn)孔板標(biāo)準(zhǔn)孔板是一類規(guī)格多的標(biāo)準(zhǔn)節(jié)流裝置，孔板的結(jié)構(gòu)因壓力、通徑、取壓方式的不同而不同。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="常州插入式巴類流量計廠家直供,流量計" src="https://tyunfile.71360.com/UploadFile/jszhck/637436289042998618/4460086.png"></div><p style="text-indent:25px">孔板流量計分類1、內(nèi)藏孔板這一類孔板是將孔板與測量管做成一體，一般用于小管徑（DN≤50mm），所以又稱小管徑孔板。特點(diǎn)：（1）、結(jié)構(gòu)緊湊，牢固耐用，工作可靠。（2）、可以測小流量，現(xiàn)場安裝方便。（3）、要求配制一段直管段（前5D、后2D需精密加工）。使用條件：（1）、公稱通徑：15-50mm（2）、公稱壓力：≤6.3MPa（3）、精確度（不確定度）：2.5%2、限流孔板用于流體輸送過程的降壓、限流。利用節(jié)流件的壓力損失的特點(diǎn)，來達(dá)到降壓、限流的目的。特點(diǎn)：結(jié)構(gòu)簡單、耐用、工作可靠。不需要測量差壓。</p><p style="text-indent:25px">孔板流量計丈量優(yōu)點(diǎn)1、規(guī)范節(jié)流件是全用的，并得到了國際規(guī)范組織的認(rèn)可，無需實(shí)流校準(zhǔn)，即可投用，在流量傳感器中也是獨(dú)一的;2、構(gòu)造易于復(fù)制，簡單、結(jié)實(shí)、性能穩(wěn)定牢靠、價錢低廉;3、應(yīng)用范圍廣，包括全部單相流體(液、氣、蒸汽)、局部混相流，普通消費(fèi)過程的管徑、工作狀態(tài)(溫度、壓力)皆能夠丈量;4、檢測件和差壓顯現(xiàn)儀表可分開不同廠家消費(fèi)，便與專業(yè)化范圍消費(fèi)?？装辶髁坑嬚闪咳毕?、丈量的反復(fù)性、準(zhǔn)確度在流量傳感器中屬于中等程度，由于眾多要素的影響撲朔迷離，準(zhǔn)確度難于進(jìn)步;2、范圍度窄，由于流量系數(shù)與雷諾數(shù)有關(guān),普通范圍度*3∶1～4∶1;3、有較長的直管段長度請求，普通難于滿足。特別對較大管徑，問題愈加突出;4、壓力損失大;5、孔板以內(nèi)孔銳角線來保證精度，因而傳感器對腐蝕、磨損、結(jié)垢、臟污敏感，長期運(yùn)用精度難以保證，需每年拆下強(qiáng)檢一次;6、采用法蘭銜接，易產(chǎn)生跑、冒、滴、漏問題，增加了維護(hù)工作量。質(zhì)量流量計由于流體的容積受溫度、壓力等參數(shù)的影響，用容積流量表示流量大小時需給出介質(zhì)的參數(shù)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="常州插入式巴類流量計廠家直供,流量計" src="https://tyunfile.71360.com/UploadFile/jszhck/637436289158887356/6747137.png"></div><p> 孔板流量計使流速增加，靜壓力低，于是在節(jié)流件前后便產(chǎn)生了壓力降，即壓差，介質(zhì)流動的流量越大，在節(jié)流件前后產(chǎn)生的壓差就越大，所以孔板流量計可以通過測量壓差來衡量流體流量的大小。這種測量方法是以能量守衡定律和流動連續(xù)性定律為基準(zhǔn)的?？装辶髁坑嬁蓽y量管道中各種流體的流量，可測量的介質(zhì)有液體、氣體、蒸汽，被廣泛應(yīng)用于石油、化工、冶金、輕工、煤礦等工業(yè)部門。測量原理：充滿管道的流體，當(dāng)它們流經(jīng)管道內(nèi)的節(jié)流裝置時，流束將在節(jié)流裝置的節(jié)流件處形成局部收縮. </p> <p> <br /> </p> <p> <br /> 定式超聲波流量計，通常都有4-20mA信號輸出等功用，供遠(yuǎn)傳顯現(xiàn)運(yùn)用，但其內(nèi)部只能存貯一條管道的參數(shù)；常州插入式巴類流量計廠家直供</p><p style="text-indent:25px">流量計可用于氣體、液體、蒸汽等介質(zhì)流量的測量。常州插入式巴類流量計廠家直供</p><p style="text-indent:25px">孔板流量計Z大壓差怎么積算孔板流量計Z大壓差怎么積算發(fā)布時間：2014-08-08點(diǎn)擊次數(shù)：1047新聞來源：孔板流量計前后產(chǎn)生一個靜壓力差,該壓力差與流量存在著一定的函數(shù)關(guān)系,流量越大,壓力差就越大.差壓信號傳送給差壓變送器,轉(zhuǎn)換成4-20ma.DC模擬信號輸出,遠(yuǎn)轉(zhuǎn)給流量積算儀,實(shí)現(xiàn)流體流量的計量.質(zhì)量型流量計,利用智能型差壓變送器,對工況溫/壓進(jìn)行自動補(bǔ)償后,實(shí)現(xiàn)對流體質(zhì)量流量的測量孔板流量計要送熱風(fēng)，熱風(fēng)爐離高爐一般比較近，且彎頭較多。過去曾使用標(biāo)準(zhǔn)孔板，因直管段不夠長而誤差較大。本儀表因?yàn)橛芯鶋涵h(huán)和多個取壓口，需要10Ｄ長的直管段即可。安裝在熱風(fēng)爐送風(fēng)管上之后，應(yīng)用情況非常滿意，已經(jīng)有三十幾座熱風(fēng)爐裝上了環(huán)形孔板流量計，運(yùn)行5年沒有故障。常州插入式巴類流量計廠家直供</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2581367.html</p></div></div></div></div></div><div id="z8odpr2" class="page-right twoColRt"><div id="mqspm7o" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="d8x3s8u" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img src="http://tyunfile.71360.com/UpLoadFile/2019/11/1/14/637082168864691056_lgpj_5374157.jpg" alt="福建ZF配件哪家強(qiáng) 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