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href="http://www.cdcfah.com/cp/third-wybez_yyb/">液位儀表</a>?湖南孔板流量計哪家比較便宜誠信經(jīng)營江蘇中徽測控儀表供應(yīng)</p><div id="2eam83e" class="leftbox clearfix"><h1>湖南孔板流量計哪家比較便宜誠信經(jīng)營江蘇中徽測控儀表供應(yīng)</h1><div id="8xykjkg" class="proBig"><div id="rkb2knj" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/jszhck/637312837080097656/8927762.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="t3bneu8" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/jszhck/637312837080097656/8927762.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="aszam3c" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價格要求：</span>面議</p><p><span>所在地：</span>江蘇省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>湖南孔板流量計哪家比較便宜,流量計</p><p><span>***更新：</span>2020-09-23 13:23:39</p><p><span id="click" >瀏覽次數(shù)：1次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="pselxya" 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: </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="s2lizqh" class="page-proshow02"><p class="title">詳細說明</p><div id="ps2kghi" class="box"><p><p> 浮子流量計 </p> <p> 浮子流量計,又稱轉(zhuǎn)子流量計,是變面積式流量計的一種,在一根由下向上擴大的垂直錐管中,圓形橫截面的浮子的重力是由液體動力承受的,從而使浮子可以在錐管內(nèi)自由地上升和下降。 </p> <p> 浮子流量計是僅次于差壓式流量計應(yīng)用范圍寬廣的一類流量計,特別在小、微流量方面有舉足輕重的作用。 </p> <p> <span style="font-size:12px;">80 年代中期,日本、西歐、美國的銷售金額占流量儀表的 15%~20%。我國產(chǎn)量 1990 年估計在 12~14 萬臺,其中 95%以上為玻璃錐管浮子流量計。</span> </p> <p> 特點: </p> <p> (1)玻璃錐管浮子流量計結(jié)構(gòu)簡單,使用方便，湖南孔板流量計哪家比較便宜,缺點是耐壓力低，湖南孔板流量計哪家比較便宜,有玻璃管易碎的較大風(fēng)險; </p> <p> (2)適用于小管徑和低流速; </p> <p> (3)壓力損失較低。流量計可用于氣體，湖南孔板流量計哪家比較便宜、液體、蒸汽等介質(zhì)流量的測量。湖南孔板流量計哪家比較便宜</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="湖南孔板流量計哪家比較便宜,流量計" src="https://tyunfile.71360.com/UploadFile/jszhck/637312837080097656/8927762.png"></div><p> 絕大部分轉(zhuǎn)子流量計必須垂直安裝在無振動的管道上，不應(yīng)有明顯的傾斜，流體自下而上流過儀表。轉(zhuǎn)子流量計中心線與鉛垂線間夾角一般不超過5度，高精度()儀表θ≤20°。如果θ=12°則會產(chǎn)生1%附加誤差。儀表無嚴格上游直管段長度要求，但也有制造廠要求(2-5)D長度的，實際上必要性不大。2、用于污臟流體的安裝應(yīng)在儀表上游裝過濾器。帶有磁性耦合的金屬管轉(zhuǎn)子流量計用于可能含磁鐵性雜質(zhì)流體時，應(yīng)在儀表前裝磁過濾器。要保持浮子和錐管的清潔，特別是小口徑儀表，浮子潔凈程度明顯影響測量值。3、轉(zhuǎn)子流量計擴大范圍度的安裝如果測量要求的流量范圍度寬，范圍度超過10時，可以在一臺儀表內(nèi)放兩只不同形狀和重量的浮子，小流量時取輕浮子讀數(shù)，浮子到頂部后取重浮子讀數(shù)，范圍度可擴大到50-100。鹽城金屬轉(zhuǎn)子流量計廠家哪家好定式超聲波流量計，通常都有4-20mA信號輸出等功用，供遠傳顯現(xiàn)運用，但其內(nèi)部只能存貯一條管道的參數(shù)；</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="湖南孔板流量計哪家比較便宜,流量計" src="https://tyunfile.71360.com/UploadFile/jszhck/637312837257148437/660475.png"></div><p> 質(zhì)量流量計安裝要求1、安裝位置的選擇應(yīng)避免電磁干擾。傳感器、變送器的安裝位置以及電纜鋪設(shè)應(yīng)盡量遠離易產(chǎn)生強電磁場的設(shè)備，如大功率馬達、變壓器設(shè)施、變頻設(shè)備等。2、質(zhì)量流量傳感器安裝應(yīng)使傳感器流向標(biāo)識與流體流向一致。并使箭頭指向與變送器內(nèi)部組態(tài)的流量方向一致。(注：質(zhì)量流量計可以雙向使用。如果安裝方向與實際流向相反，修改變送器內(nèi)的流向組態(tài)即可。)3、質(zhì)量流量計是根據(jù)測量管振動原理測量的流量儀表，因此傳感器安裝時應(yīng)考慮在兩側(cè)的工藝管道近法蘭處(約2～10倍管徑處)做堅固的支撐，避免儀表及相關(guān)管路產(chǎn)生震動。若強烈的管道振動不可避免時，建議用柔性管將管道系統(tǒng)與儀表傳感器隔離。4、因質(zhì)量流量計是依據(jù)科氏力原理工作的，為避免重力對計量精度的影響。質(zhì)量流量計的測量管無論是向上還是向下安裝，都要盡量使測量管與地平面保持垂直或水平。5、安裝時連接法蘭面應(yīng)相互平行，應(yīng)使兩個法蘭的中心位于同一軸線避免產(chǎn)生附加應(yīng)力。嚴禁用傳感器硬行拉直上、下游工藝管道，否則將影響測量甚至損壞傳感器。6、在傳感器的上、下游管道上，建議安裝截止閥及旁路以方便調(diào)零、日常維護及確保傳感器在不工作時亦可處于滿管狀態(tài)。 </p><p> 超聲波流量計是基于超聲波在流動介質(zhì)中傳播的速度等于被測介質(zhì)的平均流速和聲波本身速度的幾何和的原理而設(shè)計的。它也是由測流速來反映流量大小的。超聲波流量計雖然在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聯(lián)動進行開口流量測量，對流體又不產(chǎn)生擾動和阻力，所以很受歡。 </p> <p> 超聲波流量計按測量原理分可分為時差式和多普勒式 </p> <p> 利用時差式原理制造的時差式超聲流量計近年來得到廣泛的關(guān)注和使用，是目前企事業(yè)使用多的一種超聲波流量計。 </p> <p> 利用多普勒效應(yīng)制造的超聲多普勒流量計多用于測量介質(zhì)有一定的懸浮顆粒或氣泡介質(zhì)，使用有一定的局限性，但卻解決了時差式超聲波流量計只能測量單一清澈流體的問題，也被認為是非接觸測量雙相流的理想儀表。長期使用了的智能電磁流量計的內(nèi)管里會積污垢，這樣也會影響電磁流量計的測量效果。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="湖南孔板流量計哪家比較便宜,流量計" src="https://tyunfile.71360.com/UploadFile/jszhck/637312837089111328/5851189.png"></div><p> 渦街流量計工作狀態(tài)下的體積流量不受被測流體溫度、壓力、密度等熱工參數(shù)的影響，但液體或蒸汽的**終測量結(jié)果應(yīng)是質(zhì)量流量，對于氣體，**終測量結(jié)果應(yīng)是標(biāo)準體積流量。質(zhì)量流量或標(biāo)準體積流量都必須通過流體密度進行換算，必須考慮流體工況變化引起的流體密度變化。 </p> <p> 造成流量測量誤差的因素主要有：管道流速不均造成的測量誤差；不能準確確定流體工況變化時的介質(zhì)密度；將濕飽和蒸汽假設(shè)成干飽和蒸汽進行測量。這些誤差如果不加以限制或消除，渦街流量計的總測量誤差會很大。流量計有堰槽式流量計，它是通過測量液位來反映流量。山西液體渦輪流量計銷售價格</p><p style="text-indent:25px">便攜式超聲波流量計具有很大的機動性，首要用于對不一樣管道的流體流量作臨時性丈量。湖南孔板流量計哪家比較便宜</p><p> 環(huán)形孔板適用于各種流體（氣體、蒸汽、液體）介質(zhì)，它除了具有標(biāo)準孔板的結(jié)構(gòu)簡單、牢固、安裝使用方便等特點以外，還具有以下優(yōu)點： </p> <p> 1、更適合測量飽和蒸汽、過熱蒸汽以及煤氣、冷卻水等臟污流體。 </p> <p> 2、更容易適應(yīng)高溫、高壓流體的流量測量。 </p> <p> 3、比圓缺孔板、偏心孔板工作更可靠，測量更精確。 </p> <p> 4、以較低的成本制成耐腐蝕型，測量腐蝕性流體的流量。 </p> <p> 5、由于本產(chǎn)品外部形狀簡單，容易制成夾套保濕型在夾套內(nèi)通蒸汽，可以防止被測流體在測量管段內(nèi)凝結(jié)或粘附；通以冷卻液，可防止易汽化的液體在流經(jīng)測流板時形成汽液兩相流。 </p> <p> 6、采用均壓環(huán)結(jié)構(gòu)，減少了測量誤差來源引至差壓變送器的是在測流板上、下游處取壓管橫截面的靜壓平均值，減弱了上游局部阻力形成的速度分布畸變對精度的影響，實際精度更接近基本精度。 </p> <p> 7、要求較低的前后直管段 </p> <p> 8、采用一體型結(jié)構(gòu)形式，減少管線敷設(shè)。 </p> <p> 9、采用帶遠傳膜盒的差壓變送器，可以測量諸如煤粉、渣油等臟污液體的流量。 </p> <p> 工作原理：環(huán)形孔板節(jié)流裝置和普通的標(biāo)準孔板一樣，依據(jù)的基本原理是流體連續(xù)性方程和伯努利方程。把環(huán)形孔板安裝在圓管中，當(dāng)液體流經(jīng)節(jié)流裝置時，其上、下游側(cè)之間就會產(chǎn)生壓力差。 </p> <p> 連接方式：法蘭連接和焊接連接。湖南孔板流量計哪家比較便宜</p><p style="text-indent:25px">江蘇中徽測控儀表有限公司總部位于江蘇省淮安市金湖縣工業(yè)集中區(qū)A區(qū)3號，是一家主營產(chǎn)品：智能電磁流量計、插入式渦街流量計、智能超聲波流量計、威力巴流量計、平衡流量計、德爾塔巴流量計、超聲波流量計、雷達物位計、超聲波液位計、磁翻板液位計、電磁流量計、渦街流量計、旋進漩渦流量計、渦輪流量計、壓力差壓變送器、校驗設(shè)備等。的公司。公司自創(chuàng)立以來，投身于雷達料位計，雷達液位計，物位計，水位計，是儀器儀表的主力軍。江蘇中徽測控儀表始終以本分踏實的精神和必勝的信念，影響并帶動團隊取得成功。江蘇中徽測控儀表始終關(guān)注儀器儀表市場，以敏銳的市場洞察力，實現(xiàn)與客戶的成長共贏。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/1388652.html</p></div></div></div></div></div><div id="vtamizv" class="page-right twoColRt"><div id="yws889w" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="7d7szar" 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配件哪家強信息推薦自業(yè)物資供應(yīng)</p></a></div><div id="geqr7tm" class="recomPic 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