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class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價(jià)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>連云港長(zhǎng)頸噴嘴流量計(jì)哪家好,流量計(jì)</p><p><span>***更新：</span>2021-01-02 08:11:01</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="wqnfxta" 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="gv7r8fk" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="pjln3hi" class="box"><p><p style="text-indent:25px">孔板流量計(jì)分類1、內(nèi)藏孔板這一類孔板是將孔板與測(cè)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(cè)小流量，現(xiàn)場(chǎng)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，連云港長(zhǎng)頸噴嘴流量計(jì)哪家好、限流孔板用于流體輸送過(guò)程的降壓、限流。利用節(jié)流件的壓力損失的特點(diǎn)，來(lái)達(dá)到降壓、限流的目的，連云港長(zhǎng)頸噴嘴流量計(jì)哪家好。特點(diǎn)：結(jié)構(gòu)簡(jiǎn)單、耐用、工作可靠，連云港長(zhǎng)頸噴嘴流量計(jì)哪家好。不需要測(cè)量差壓。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；連云港長(zhǎng)頸噴嘴流量計(jì)哪家好</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="連云港長(zhǎng)頸噴嘴流量計(jì)哪家好,流量計(jì)" src="https://tyunfile.71360.com/UploadFile/jszhck/637436289003828671/3963991.png"></div><p> 超聲流量計(jì)優(yōu)點(diǎn):（1）超聲波流量計(jì)是一種非接觸式測(cè)量?jī)x表，可用來(lái)測(cè)量不易接觸、不易觀察的流體流量和大管徑流量。它不會(huì)改變流體的流動(dòng)狀態(tài)，不會(huì)產(chǎn)生壓力損失，且便于安裝。（2）可以測(cè)量強(qiáng)腐蝕性介質(zhì)和非導(dǎo)電介質(zhì)的流量。（3）超聲波流量計(jì)的測(cè)量范圍大，管徑范圍從20mm～５m.（4）超聲波流量計(jì)可以測(cè)量各種液體和污水流量。（5）超聲波流量計(jì)測(cè)量的體積流量不受被測(cè)流體的溫度、壓力、粘度及密度等熱物性參數(shù)的影響?？梢宰龀晒潭ㄊ胶捅銛y式兩種形式。 </p> <p> <br /> </p> <p> <br /> 連云港長(zhǎng)頸噴嘴流量計(jì)哪家好孔板流量計(jì)的節(jié)流裝置結(jié)構(gòu)簡(jiǎn)單，且牢固、性能穩(wěn)定可靠，使用期限長(zhǎng)；</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="連云港長(zhǎng)頸噴嘴流量計(jì)哪家好,流量計(jì)" src="https://tyunfile.71360.com/UploadFile/jszhck/637436289195098254/5407997.png"></div><p style="text-indent:25px">主要安裝要求是對(duì)于直管段的要求及管道振動(dòng)要求，渦街流量傳感器的上游側(cè)和下游側(cè)應(yīng)有較長(zhǎng)的直管段;管道不能有振動(dòng)，如有振動(dòng)，則需對(duì)流量計(jì)兩側(cè)加固定裝置。對(duì)于渦街流量計(jì)來(lái)說(shuō)，測(cè)量氣體流量時(shí)，若被測(cè)氣體含有少量的液體，流量計(jì)應(yīng)安裝在管線的較高處。測(cè)量液體時(shí)，若被測(cè)液體中含有少量的氣體，流量計(jì)應(yīng)安裝在管線的較低處。測(cè)壓孔和測(cè)溫孔：需要測(cè)壓時(shí),須將測(cè)壓孔設(shè)置在流量計(jì)下游2~7D的地方。需要測(cè)溫時(shí),將溫度傳感器設(shè)置在離測(cè)壓點(diǎn)下游的1~2D之間處。管道支撐：盡量將流量計(jì)安裝在振動(dòng)加速度小于20m/s2的地方。當(dāng)管道振動(dòng)過(guò)強(qiáng)時(shí),應(yīng)對(duì)管道安裝加固支撐。封墊片：切不可將密封墊片突出到管道中,否則將導(dǎo)致無(wú)法接受的誤差。</p><p style="text-indent:25px">渦街流量計(jì)與孔板流量計(jì)的技術(shù)對(duì)比①、渦街流量計(jì)的結(jié)構(gòu)相對(duì)簡(jiǎn)單主要由漩渦發(fā)生體、檢測(cè)元件、信號(hào)放大器三個(gè)元部件組成，而目前我們對(duì)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(shí)渦街流量計(jì)也具有安裝簡(jiǎn)便，精度高，長(zhǎng)時(shí)間運(yùn)行穩(wěn)定等特點(diǎn)；②、現(xiàn)階段的孔板流量計(jì)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(guó)際標(biāo)準(zhǔn)化組織將R541與R781兩個(gè)標(biāo)準(zhǔn)合并成標(biāo)準(zhǔn)ISO5167（1980）；③、孔板流量計(jì)的結(jié)構(gòu)也較為簡(jiǎn)單、造價(jià)低、可靠等特點(diǎn)，孔板流量計(jì)幾乎可以測(cè)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；污水流量計(jì)結(jié)構(gòu)簡(jiǎn)單、牢固可靠、使用壽命長(zhǎng)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="連云港長(zhǎng)頸噴嘴流量計(jì)哪家好,流量計(jì)" src="https://tyunfile.71360.com/UploadFile/jszhck/637436289184268193/6612766.png"></div><p> 長(zhǎng)期以來(lái),孔板流量計(jì)由于其技術(shù)成熟、標(biāo)準(zhǔn)化程度高、結(jié)構(gòu)簡(jiǎn)單、維護(hù)方便等特點(diǎn)而被地應(yīng)用。在海洋石油工程中也常常會(huì)用到孔板流量計(jì)。以采油平臺(tái)的測(cè)試分離器氣體出口測(cè)量為例,由于該介質(zhì)為氣體,一般壓力較高,介質(zhì)成分較復(fù)雜,流量范圍隨著年份變化較大等特點(diǎn),決定了該場(chǎng)合應(yīng)用孔板流量計(jì)為合適。尤其近年出現(xiàn)的可更換孔板更是解決了原有孔板流量計(jì)的低量程比的缺點(diǎn)而被地應(yīng)用。但是可更換的孔板價(jià)格昂貴,一般至少為同管徑孔板流量計(jì)價(jià)格的5倍以上。那么有沒(méi)有更好的產(chǎn)品來(lái)代替它,我們認(rèn)為V錐流量計(jì)就是代替它的優(yōu)先產(chǎn)品。 </p> <p> <br /> </p> <p> <br /> 孔板流量計(jì)前后產(chǎn)生一個(gè)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；蘇州氣體渦輪流量計(jì)廠</p><p style="text-indent:25px">直接式質(zhì)量流量計(jì)利用與質(zhì)量流量直接有關(guān)的原理進(jìn)行測(cè)量；連云港長(zhǎng)頸噴嘴流量計(jì)哪家好</p><p style="text-indent:25px">由于在重大工程、工業(yè)裝備和質(zhì)量保證、基礎(chǔ)科研中，儀器儀表都是必不可少的基礎(chǔ)技術(shù)和裝備重點(diǎn)，除傳統(tǒng)領(lǐng)域的需求外，新興的智能制造、離散自動(dòng)化、生命科學(xué)、新能源、海洋工程、軌道交通等領(lǐng)域也會(huì)產(chǎn)生巨大需求。隨著互聯(lián)網(wǎng)的逐步發(fā)展，為雷達(dá)料位計(jì)，雷達(dá)液位計(jì)，物位計(jì)，水位計(jì)等產(chǎn)品的傳播提供了一個(gè)飛速的平臺(tái)。讓儀器儀表行業(yè)從傳統(tǒng)的銷售模式到以互聯(lián)網(wǎng)電子商務(wù)為主的營(yíng)銷方式的轉(zhuǎn)變，促進(jìn)了儀器儀表行業(yè)與互聯(lián)網(wǎng)的結(jié)合，推動(dòng)產(chǎn)業(yè)創(chuàng)新發(fā)展。目前我國(guó)主營(yíng)產(chǎn)品：智能電磁流量計(jì)、插入式渦街流量計(jì)、智能超聲波流量計(jì)、威力巴流量計(jì)、平衡流量計(jì)、德?tīng)査土髁坑?jì)、超聲波流量計(jì)、雷達(dá)物位計(jì)、超聲波液位計(jì)、磁翻板液位計(jì)、電磁流量計(jì)、渦街流量計(jì)、旋進(jìn)漩渦流量計(jì)、渦輪流量計(jì)、壓力差壓變送器、校驗(yàn)設(shè)備等。產(chǎn)品，主要集中在中低檔市場(chǎng)，而市場(chǎng)則主要被國(guó)外品牌所占據(jù)。在某些領(lǐng)域，國(guó)產(chǎn)產(chǎn)品甚至是空白，這就需要未來(lái)我國(guó)儀器儀表向市場(chǎng)進(jìn)軍，擴(kuò)大產(chǎn)品占比?！盎ヂ?lián)網(wǎng)＋”、大數(shù)據(jù)、020、萬(wàn)物互聯(lián)網(wǎng)、P2P、分享經(jīng)濟(jì)等熱門詞匯的出現(xiàn)，各個(gè)行業(yè)制定相應(yīng)的措施來(lái)順應(yīng)時(shí)代的經(jīng)濟(jì)發(fā)展，以爭(zhēng)取更大的發(fā)展市場(chǎng)。而互聯(lián)網(wǎng)的出現(xiàn)也為儀器儀表行業(yè)參與國(guó)際競(jìng)爭(zhēng)提供了機(jī)會(huì)，有利于銷售企業(yè)實(shí)現(xiàn)技術(shù)創(chuàng)新升級(jí)。連云港長(zhǎng)頸噴嘴流量計(jì)哪家好</p></p><br 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