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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>陜西省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>外縛式超聲波流量計型號,流量計</p><p><span>***更新：</span>2020-11-19 10:20:49</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="hpt7xjv" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">西安倫騫電器設(shè)備有限責(zé)任公司</a></p><p><span>聯(lián)系人：</span>付海飛</p><p><span>郵箱: </span>xalunqian@163.com</p><p><span>電話: </span>13891837328</p><p><span>傳真: </span>138_</p><p><span>網(wǎng)址: </span>http://xalunqian.shop.88360.com</p><p><span>手機: </span>138-91837328</p><p><span>地址: </span>高新區(qū)發(fā)展大道25號軍民融合創(chuàng)新港</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="7dxtnjv" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="br7rvx7" class="box"><p><p> 渦街流量計便是依據(jù)卡門旋渦原理進行封閉管道流體流量測量的新型流量計。因其具有良好的介質(zhì)適應(yīng)能力，無需溫度壓力補償即可直接測量蒸汽、空氣、氣體、水，外縛式超聲波流量計型號、液體的工況體積流量，配備溫度、壓力傳感器可測量標(biāo)況體積流量和質(zhì)量流量，是節(jié)流式流量計的理想替代產(chǎn)品。為提高渦街流量計的耐高溫及抗振動性能，我公司新近開發(fā)出了改進型渦街流量傳感器，因其獨特的結(jié)構(gòu)和選材使該傳感器可在高溫（350℃）、強振動（≤1g）的惡劣工況下使用。在實際應(yīng)用中，往往比較大流量遠(yuǎn)低于儀表的上限值，隨著負(fù)荷的變化，小流量又往往會低于儀表的下限值，儀表并非工作在它的比較好工作段，為了解決這一問題，通常采用在測量處縮徑提高測量處的流速，并選用較小口徑的儀表以利于儀表的測量，但是這種變徑方式必須在變徑管與儀表間有長度為15D以上的直管段進行整流，使加工、安裝都不方便。我公司研制的縱斷面形狀為圓弧的LGZ變徑整流器，具有整流、提高流速及改變流速分布多重作用，其結(jié)構(gòu)尺寸小，*為工藝管內(nèi)徑的1/3，與渦街流量計作成一體，外縛式超聲波流量計型號，不*不需要另外附加一段直管段，外縛式超聲波流量計型號，還可以降低對工藝管直管段的要求，安裝非常方便。金屬管浮子流量計無錐管破裂的風(fēng)險。與玻璃管浮子流量計相比，使用溫度和壓力范圍寬。外縛式超聲波流量計型號</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="外縛式超聲波流量計型號,流量計" src="https://tyunfile.71360.com/WaterMark/UploadFile/xalunqian/637332519835488281/573497.png"></div><p> 各種超聲流量計已廣用于工業(yè)生產(chǎn)、商業(yè)計量和水利檢測等方面，如:在市政行業(yè)的原水、自來水、中水、污水的計量中，超聲流量計具有大量程比、無壓損的特點，在保證測量準(zhǔn)確度的同時提高了管網(wǎng)的輸水效率;在水利水電行業(yè)的輸水管道、渠道、泵站、電站的流量計量中，超聲流量計具有大口徑、現(xiàn)場安裝、在線標(biāo)定的特點，使準(zhǔn)確測量成為可能。同時通過對水泵、水輪機單泵、單機的計量來實現(xiàn)設(shè)備優(yōu)化、經(jīng)濟運行的目的;在工業(yè)冷卻循環(huán)水的計量中，超聲流量計實現(xiàn)了在線不斷流帶壓安裝和在線標(biāo)定;在商業(yè)計量方面多聲道超聲流量計已達到優(yōu)于(示值誤差)。(1)傳播時間法應(yīng)用于清潔、單相液體和氣體。典型應(yīng)用有工廠排放液、:怪液、液化天然氣等;(2)氣體應(yīng)用方面在高壓天然氣領(lǐng)域已有使用良好的經(jīng)驗;(3)多普勒法適用于異相含量不太高的雙相流體,例如:未處理污水、工廠排放液、臟流程液;通常不適用于非常清潔的液體。外縛式超聲波流量計型號為使電磁流量計的傳感器小型化和改善信噪比而出現(xiàn)用非均勻磁場和低頻勵磁方式的電磁流量計。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="外縛式超聲波流量計型號,流量計" src="https://tyunfile.71360.com/WaterMark/UploadFile/xalunqian/637332521478173828/3580503.png"></div><p> 方面的考慮因素如下： </p> <p> 1．儀表性能方面：精確度、重復(fù)性、線性度、范圍度、壓力損失、上下限流量、信號輸出特性、響應(yīng)時間等； </p> <p> 2．流體特性方面：流體壓力、溫度、密度、粘度、潤滑性、化學(xué)性質(zhì)、磨損、腐蝕、結(jié)垢、臟污、氣體壓縮系數(shù)、等熵指數(shù)、比熱容、電導(dǎo)率、聲速、混相流、脈動流等； </p> <p> 3．環(huán)境條件方面：環(huán)境溫度、濕度、安全性、電磁干擾等；浮子流量計 </p> <p> 4．經(jīng)濟因素方面：購置費、安裝費、維修費、校驗費、使用壽命、運行費（能耗）、備品備件等。 </p> <p> <br /> </p><p> 智能型電磁流量計傳感器在工藝管道上的安裝：1.智能型電磁流量計測堵管在任何時刻必須完全注滿介質(zhì)，不能在不滿管或空管的情況下正常工作。在介質(zhì)不滿管時，可采用抬高流量計后端出水管高度的方法使介質(zhì)滿管，避免不滿管及氣體附著在電極上。2.管道內(nèi)有真空會損壞流量計的內(nèi)襯，需特別注意。3.流動的正方向應(yīng)與流量計上箭頭所指的正方向一致。4.智能型電磁流量計即可在直管道上安裝，也可以在水平或傾斜管道上安裝，但要求二電極的中心連線處于水平狀態(tài)。5.對于液、固兩相流體，zui好采用垂直安裝，使被測介質(zhì)自上而xialiu動，可使流量計襯里磨損均勻，延長使用壽命。6.流量計在管道法蘭附近確保有足夠的空間，以便安裝和維護。7.若測量管道有振動，在流量計的兩側(cè)應(yīng)有固定的支座。8.測量介質(zhì)為重污染液體的，在旁路管道安裝流量計本體，不中斷工藝運行，即可排空與清流。9.安裝聚四氟乙烯內(nèi)襯的流量計時，連接法蘭的螺栓應(yīng)注意均勻擰緊，否則容易壓壞聚四氟乙烯內(nèi)襯，zui好用力矩扳手。金屬管浮子流量計是采用可變面積式測量原理，用于連續(xù)測量封閉管道中的液體和氣體的體積流量。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="外縛式超聲波流量計型號,流量計" src="https://tyunfile.71360.com/WaterMark/UploadFile/xalunqian/637332521343955078/7020765.png"></div><p> 靶式流量計正確選型才能保證靶式流量計更好的使用。選用什么種類的靶式流量計應(yīng)根據(jù)被測流體介質(zhì)的物理性質(zhì)和化學(xué)性質(zhì)來決定?使靶式流量計的通徑、流量范圍、和輸出方式等都能適應(yīng)被測流體的性質(zhì)和流量測量的要求。 </p> <p> 1、精密功能檢查; </p> <p> 精度等級和功能根據(jù)測量要求和使用場合選擇儀表精度等級，做到經(jīng)濟合算。比如用于貿(mào)易結(jié)算、產(chǎn)品交接和能源計量的場合，應(yīng)該選擇精度等級高些，如1.0級、0.5級，或者更高等級; 用于過程控制的場合，根據(jù)控制要求選擇不同精度等級;有些**是檢測一下過程流量，無需做精確控制和計量的場合，可以選擇精度等級稍低的，如1.5級、2.5級，甚至 4.0級，這時可以選用價格低廉的插入式靶式流量計。 </p> <p> 2、可測量的介質(zhì); </p> <p> 測量介質(zhì)流速、儀表量程與口徑測量一般的介質(zhì)時，靶式流量計的滿度流量可以在測量介質(zhì)流速0.1-12m/s范圍內(nèi) 選用，范圍比較寬。選擇儀表規(guī)格(口徑)不一定與工藝管道相同，應(yīng)視測量流量范圍是否在流速范圍內(nèi)確定，即當(dāng)管道流速偏低，不能滿足流量儀表要求時或者在此流速下測量準(zhǔn) 確度不能保證時，需要縮小儀表口徑，從而提高管內(nèi)流速，得到滿意測量結(jié)果。直角型安裝方式金屬管浮子流量計典型結(jié)構(gòu)，通常適用于口徑15-40mm以上儀表。陜西超聲流量計</p><p style="text-indent:25px">測量蒸汽只能用專門設(shè)計的金屬管浮子流量計或在標(biāo)準(zhǔn)型儀表上加裝附加構(gòu)件。外縛式超聲波流量計型號</p><p> （1）渦街流量變送器的選擇 </p> <p> 在飽和蒸汽測量中采用VA型壓電式渦街流量變送器，由于渦街流量計量程范圍寬，因此，在實際應(yīng)用中，一般插入式渦街流量計主要考慮測量飽和蒸汽的流量不得低于渦街流量計的下限，也就是說必須滿足流體流速不得低于5m/s。根據(jù)用汽量的大小選用不同口徑的渦街流量變送器，而不能以現(xiàn)有的工藝管道口徑來選擇變送器口徑。 </p> <p> （2）壓力補償壓力變送器的選擇 </p> <p> 由于飽和蒸汽管路長，壓力波動較大，必須采用壓力補償，考慮到壓力、溫度及密度的對應(yīng)關(guān)系，測量中只采用壓力補償即可，由于明通公司管道飽和蒸汽壓力在0.3－0.7MPa范圍，壓力變送器的量程選擇1MPa即可。 </p> <p> （3）顯示儀表選擇 </p> <p> 顯示儀表智能流量顯示儀，具有穩(wěn)壓補償、瞬時流量顯示和累積流量積算功能。外縛式超聲波流量計型號</p><p style="text-indent:25px">西安倫騫電器設(shè)備有限責(zé)任公司是一家智能儀器儀表銷售：網(wǎng)絡(luò)設(shè)備銷售；安防設(shè)備銷售；閥門和旋塞銷售；計算機軟及軸助設(shè)備零售；環(huán)境監(jiān)測**儀器銷售；電氣設(shè)備銷售；機械設(shè)備銷售；電子元器件與機電組件設(shè)備銷售；電子產(chǎn)品銷售；終端計量設(shè)備銷售；終端測試設(shè)備銷售；供應(yīng)用儀器儀表銷售；電子**設(shè)備銷售；技術(shù)開發(fā)；普通機械設(shè)備安裝服務(wù)；智能儀器儀表制造：儀器儀表修理；儀器儀表制造；環(huán)境監(jiān)測**儀器儀表制造；其他通用儀器制造；電子測量儀器化工。的公司，是一家集研發(fā)、設(shè)計、生產(chǎn)和銷售為一體的專業(yè)化公司。公司自創(chuàng)立以來，投身于雷達料位計，雷達物位計，壓力變送器，溫度變送器，是儀器儀表的主力軍。西安倫騫電器致力于把技術(shù)上的創(chuàng)新展現(xiàn)成對用戶產(chǎn)品上的貼心，為用戶帶來良好體驗。西安倫騫電器始終關(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: 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