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#f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>山西金屬轉(zhuǎn)子流量計(jì)廠,流量計(jì)</p><p><span>***更新：</span>2020-08-29 20:18:51</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="e30tsml" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">江蘇中徽測(cè)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(hào)</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="mjow0no" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="t5qwsb5" class="box"><p><p> 孔板流量計(jì)安裝前基本要求： </p> <p> 1．孔板流量計(jì)安裝前應(yīng)仔細(xì)核對(duì)標(biāo)準(zhǔn)孔板的編號(hào)、位號(hào)、規(guī)格是否與管道情況、流量范圍等參數(shù)相符。在取壓口附近標(biāo)有“+”的一端應(yīng)與流體上游管段聯(lián)接，標(biāo)有“—”的一端應(yīng)與流體下游管段聯(lián)接，山西金屬轉(zhuǎn)子流量計(jì)廠。 </p> <p> 2．對(duì)于新設(shè)管路系統(tǒng)，必須先經(jīng)掃線后再安裝標(biāo)準(zhǔn)孔板，以防管內(nèi)雜物堵塞或損傷標(biāo)準(zhǔn)孔板。 </p> <p> 3．標(biāo)準(zhǔn)孔板的中心線應(yīng)當(dāng)與管道中心線同軸。 </p> <p> 孔板流量計(jì)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(dòng)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(jì)可以通過(guò)測(cè)量壓差來(lái)衡量流體流量的大小，山西金屬轉(zhuǎn)子流量計(jì)廠。這種測(cè)量方法是以能量守衡定律和流動(dòng)連續(xù)性定律為基準(zhǔn)的。浮子流量計(jì)是*次于差壓式流量計(jì)應(yīng)用范圍寬廣的一類流量計(jì)，山西金屬轉(zhuǎn)子流量計(jì)廠,特別在小、微流量方面有舉足輕重的作用。山西金屬轉(zhuǎn)子流量計(jì)廠</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="山西金屬轉(zhuǎn)子流量計(jì)廠,流量計(jì)" src="https://tyunfile.71360.com/UploadFile/jszhck/637312837218730468/9357415.png"></div><p style="text-indent:25px">在現(xiàn)代工業(yè)生產(chǎn)中，流動(dòng)工質(zhì)的溫度、壓力等運(yùn)行參數(shù)不斷提高，在高溫高壓的情況下，由于材質(zhì)和結(jié)構(gòu)等方面的原因，直接式質(zhì)量流量計(jì)的應(yīng)用遇到困難，而間接式質(zhì)量流量計(jì)由于密度計(jì)受濕度和壓力適用范圍的限制，往往也不好實(shí)際應(yīng)用。因此，在工業(yè)生產(chǎn)中采用的是溫度壓力補(bǔ)償式質(zhì)量流量計(jì)。可把它看作一種間接式質(zhì)量流量計(jì)，不是配用密度計(jì)，而是利用溫度、壓力與密度間的關(guān)系，用溫度、壓力信號(hào)經(jīng)函數(shù)運(yùn)算為密度信號(hào)，與容積流量相乘而得到質(zhì)量流量．目前溫度、壓力補(bǔ)償式質(zhì)量流量計(jì)雖已實(shí)用化，但當(dāng)被測(cè)介質(zhì)參數(shù)變化范圍很大或很迅速時(shí)，正確地補(bǔ)償將很困難或不可能，因此進(jìn)一步研究在實(shí)際生產(chǎn)中適用的質(zhì)量流量計(jì)和密度計(jì)還是一個(gè)課題。山西金屬轉(zhuǎn)子流量計(jì)廠質(zhì)量流量計(jì)額安裝時(shí)建議在流量計(jì)進(jìn)口處加過(guò)濾器。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="山西金屬轉(zhuǎn)子流量計(jì)廠,流量計(jì)" src="https://tyunfile.71360.com/UploadFile/jszhck/637312837080097656/8927762.png"></div><p> 差壓式流量計(jì)是一類應(yīng)用的流量計(jì),在各類流量?jī)x表中其使用量占居**。近年來(lái),由于各種新型流量計(jì)的問(wèn)世,它的使用量百分?jǐn)?shù)逐漸下降,但目前仍是重要的一類流量計(jì)。 </p> <p> 優(yōu)點(diǎn): </p> <p> (1)應(yīng)用多的孔板式流量計(jì)結(jié)構(gòu)牢固,性能穩(wěn)定可靠,使用壽命長(zhǎng); </p> <p> (2)應(yīng)用范圍,至今尚無(wú)任何一類流量計(jì)可與之相比擬; </p> <p> (3)檢測(cè)件與變送器、顯示儀表分別由不同廠家生產(chǎn),便于規(guī)模經(jīng)濟(jì)生產(chǎn)。 </p> <p> 缺點(diǎn): </p> <p> (1)測(cè)量精度普遍偏低;<span style="display:none;"></span> </p> <p> (2)范圍度窄,一般* 3:1~4:1; </p> <p> (3)現(xiàn)場(chǎng)安裝條件要求高; </p> <p> (4)壓損大(指孔板、噴嘴等)。 </p><p> 超聲波流量計(jì)是基于超聲波在流動(dòng)介質(zhì)中傳播的速度等于被測(cè)介質(zhì)的平均流速和聲波本身速度的幾何和的原理而設(shè)計(jì)的。它也是由測(cè)流速來(lái)反映流量大小的。超聲波流量計(jì)雖然在70年代才出現(xiàn)，但由于它可以制成非接觸型式，并可與超聲波水位計(jì)聯(lián)動(dòng)進(jìn)行開口流量測(cè)量，對(duì)流體又不產(chǎn)生擾動(dòng)和阻力，所以很受歡。 </p> <p> 超聲波流量計(jì)按測(cè)量原理分可分為時(shí)差式和多普勒式 </p> <p> 利用時(shí)差式原理制造的時(shí)差式超聲流量計(jì)近年來(lái)得到廣泛的關(guān)注和使用，是目前企事業(yè)使用多的一種超聲波流量計(jì)。 </p> <p> 利用多普勒效應(yīng)制造的超聲多普勒流量計(jì)多用于測(cè)量介質(zhì)有一定的懸浮顆粒或氣泡介質(zhì)，使用有一定的局限性，但卻解決了時(shí)差式超聲波流量計(jì)只能測(cè)量單一清澈流體的問(wèn)題，也被認(rèn)為是非接觸測(cè)量雙相流的理想儀表。固定式超聲波流量計(jì)要求長(zhǎng)時(shí)間接連運(yùn)轉(zhuǎn)，所以要運(yùn)用220V交流電源；</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="山西金屬轉(zhuǎn)子流量計(jì)廠,流量計(jì)" src="https://tyunfile.71360.com/UploadFile/jszhck/637312838163466797/8432110.png"></div><p> 關(guān)于超聲波流量計(jì)固定式和便攜式有什么不同 </p> <p> （1）合適使用的場(chǎng)合不一樣 </p> <p> 固定式超聲波流量計(jì)用于安裝在某一固定方位，對(duì)某一特定管道內(nèi)流體的流量進(jìn)行長(zhǎng)時(shí)間不間斷的計(jì)量；便攜式超聲波流量計(jì)具有很大的機(jī)動(dòng)性，首要用于對(duì)不一樣管道的流體流量作臨時(shí)性丈量。 </p> <p> （2）供電方法不一樣 </p> <p> 固定式超聲波流量計(jì)要求長(zhǎng)時(shí)間接連運(yùn)轉(zhuǎn)，所以要運(yùn)用220V交流電源，便攜式超聲波流量計(jì)既能夠運(yùn)用現(xiàn)場(chǎng)的交流電源，也備有內(nèi)置充電電池，能夠接連作業(yè)5～10h［小時(shí)］，方便了不一樣場(chǎng)合臨時(shí)性流量丈量的需要。 </p> <p> （3）有些功用不一樣 </p> <p> 因定式超聲波流量計(jì)，通常都有4-20mA信號(hào)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)；便攜式超聲波流量計(jì)**為了現(xiàn)場(chǎng)檢查當(dāng)時(shí)流量和短時(shí)間內(nèi)的累計(jì)流量，故一般無(wú)輸出信號(hào)功用，但為了方便丈量不一樣管道流量，它具有豐厚的儲(chǔ)存功用，能夠一起存貯數(shù)十條不一樣管道的參數(shù)，供隨時(shí)調(diào)出運(yùn)用。 </p> <p> <br /> 流量計(jì)有堰槽式流量計(jì)，它是通過(guò)測(cè)量液位來(lái)反映流量。浙江氣體渦輪流量計(jì)哪家比較好</p><p style="text-indent:25px">孔板流量計(jì)的節(jié)流裝置結(jié)構(gòu)簡(jiǎn)單，且牢固、性能穩(wěn)定可靠，是工業(yè)中常用到的流量測(cè)量?jī)x表；山西金屬轉(zhuǎn)子流量計(jì)廠</p><p> 如果在測(cè)量區(qū)內(nèi)有穩(wěn)態(tài)的渦流則會(huì)影響測(cè)量的穩(wěn)定性和測(cè)量的精度，這時(shí)可以增加前后直管段的長(zhǎng)度、采用一個(gè)流量穩(wěn)定器或減少測(cè)量點(diǎn)的截面以穩(wěn)定流速分布。流量計(jì)可以水平和垂直安裝，但是應(yīng)該確保避免沉積物和氣泡對(duì)測(cè)量電極的影響，電極軸向保持水平為好。垂直安裝時(shí)，流體應(yīng)自下而上流動(dòng)。傳感器不能安裝在管道的比較高位置，這個(gè)位置容易積聚氣泡。 </p> <p> 確保流量傳感器在測(cè)量時(shí)，管道中充滿被測(cè)流體，不能出現(xiàn)非滿管狀態(tài)。如管道存在非滿管或是出口有放空狀態(tài)，傳感器應(yīng)安裝在一根虹吸管上。 </p> <p> 電磁流量計(jì)的常規(guī)直管段要求是**D后5D，在有彎管、閥門的情況分別有不同的要求。山西金屬轉(zhuǎn)子流量計(jì)廠</p><p style="text-indent:25px">江蘇中徽測(cè)控儀表有限公司致力于儀器儀表，以科技創(chuàng)新實(shí)現(xiàn)***管理的追求。公司自2014-01-15成立以來(lái)，投身于雷達(dá)料位計(jì)，雷達(dá)液位計(jì)，物位計(jì)，水位計(jì)，是儀器儀表的主力軍。江蘇中徽測(cè)控儀表致力于把技術(shù)上的創(chuàng)新展現(xiàn)成對(duì)用戶產(chǎn)品上的貼心，為用戶帶來(lái)***體驗(yàn)。江蘇中徽測(cè)控儀表始終關(guān)注儀器儀表行業(yè)。海納百川，有容乃大，國(guó)內(nèi)外同行的智慧都是促使我們前行的力量。</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/1086915.html</p></div></div></div></div></div><div id="wtvv0h8" class="page-right twoColRt"><div id="i5x5xe5" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="u855dq3" 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) 信息推薦自業(yè)物資供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>福建ZF配件哪家強(qiáng) 信息推薦自業(yè)物資供應(yīng)</p></a></div><div id="wy5ynny" class="recomPic likePro"><a 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