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onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="9ajqkgx" 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>陜西液體渦旋流量計廠家,流量計</p><p><span>***更新：</span>2020-08-30 03:13:15</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="2j37ce3" 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="rpb87ub" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="3kofjqc" class="box"><p><p> 橢圓齒輪流量計流量信號(即橢圓齒輪的旋轉(zhuǎn)速度n)的顯示，有就地顯示和遠(yuǎn)傳顯示兩種。就地顯示將齒輪的轉(zhuǎn)動通過一系列的減速及調(diào)整轉(zhuǎn)速比機構(gòu)之后，直接與儀表面板上的指示針相連，并經(jīng)過機械式計數(shù)器進行總量的顯示。遠(yuǎn)傳顯示主要是通過減速后的齒輪帶動永久磁鐵旋轉(zhuǎn)，使得彈簧繼電器的觸點以與永久磁鐵相同的旋轉(zhuǎn)頻率同步地閉合或斷開，從而發(fā)出一個個電脈沖遠(yuǎn)傳給另一顯示儀表.橢圓齒輪流量計計量精度高，適用于高粘度介質(zhì)流量的測量，但不適用于含有固體顆粒的流體，如果被測液體介質(zhì)中夾雜有氣體時，也會引起測量誤差。通常橢圓齒輪流量計的精度可達(dá)0.5級，是一種較為準(zhǔn)確的流量計量儀表，但是，如果使用時被測介質(zhì)的流量過小，橢圓齒輪流量計儀表的泄漏誤差的影響就會突出，不能再保證足夠的測量精度，陜西液體渦旋流量計廠家。隨著工業(yè)的發(fā)展，陜西液體渦旋流量計廠家，陜西液體渦旋流量計廠家，對流量測量的準(zhǔn)確度和范圍要求越來越高，為了適應(yīng)多種用途，各種類型的流量計相繼問世。陜西液體渦旋流量計廠家</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="陜西液體渦旋流量計廠家,流量計" src="https://tyunfile.71360.com/WaterMark/UploadFile/xalunqian/637332519957626953/9160428.png"></div><p> 靶式流量計于六十年代開始應(yīng)用于工業(yè)流量測量，主要用于解決高粘度、低雷諾數(shù)流體的流量測量，先后經(jīng)歷了氣動表和電動表兩大發(fā)展階段，SBL系列智能靶式流量計是在原有應(yīng)變片式(電容式)靶式流量計測量原理的基礎(chǔ)上，采用了zuixin型力感應(yīng)式傳感器作為測量和敏感傳遞元件，同時利用了現(xiàn)代數(shù)字智能處理技術(shù)而研制的一種新式流量計量儀表。SBL數(shù)顯靶式流量計是在傳統(tǒng)靶式流量計測量原理的基礎(chǔ)上，充分利用其相當(dāng)youxiu的特點，結(jié)合新型傳感器技術(shù)和現(xiàn)代數(shù)字技術(shù)上研制、開發(fā)而成的全新型力感應(yīng)靶式流量計，它既具有傳統(tǒng)靶式、孔板、渦街等流量計無可動部件的特點，同時又具有與容積式流量計相媲美的測量準(zhǔn)確度，加之其特有的抗干擾，抗雜質(zhì)性能，輕便又可靠的特點，廣使用于石油、化工、能源、食品、環(huán)保、水利等各個領(lǐng)域。從其使用后的效果上看，SBL數(shù)顯靶式流量計具有極為廣闊的適用性。 </p> <p> <br /> 陜西液體渦旋流量計廠家為了使電磁流量計的傳感小型化和改善信噪比，出現(xiàn)了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="陜西液體渦旋流量計廠家,流量計" src="https://tyunfile.71360.com/WaterMark/UploadFile/xalunqian/637332521478173828/3580503.png"></div><p style="text-indent:25px">對外部環(huán)境的要求渦街流量計避免安裝在溫度變化很大的場所和收到設(shè)備熱輻射，若必須安裝時，須有隔熱通風(fēng)的措施。傳感器避免安裝在含有腐蝕性氣體的環(huán)境中，若必須安裝時，須有通風(fēng)措施。傳感器比較好安裝在室內(nèi)，必須安裝在室外時，須有防潮和防曬措施，注意水是否會順著電纜線流入放大器盒內(nèi)，接線時，在電氣接口外部將電纜線彎成U型。安裝傳感器的周圍須有充裕的空間，應(yīng)有照明燈和電源插座，以便安裝接線和定期維護。傳感器的接線位置要遠(yuǎn)離電噪聲，如大功率變壓器、電動機和電源等。傳感器安裝點附近不能有無線電收發(fā)機存在，否則高頻噪聲會干擾傳感器的正常使用。</p><p style="text-indent:25px">流量計設(shè)置零點（流量計安裝后必須先置零操作）由于電容式力傳感器及阻流件有自重，在流量計安裝時不在水平方位狀況下，需要重新設(shè)置流量計零點。操作程序為：（也可在管道內(nèi)無介質(zhì)流動時直接置零，高溫型及低溫型流量計必須使管道內(nèi)溫度達(dá)到工作溫度后置零）a、關(guān)閉流量計下游的閥門；b、緩慢打開流量計上游閥門，使流量計充滿介質(zhì)；c、緩慢打開流量計下游閥門，使流量計運行10分鐘左右； d、關(guān)閉流量計上、下游閥門，并確定管道內(nèi)流量為零；e、置零按鍵操作（必須用無任何磁性的工具操作置零鍵，否則置零鍵可能無法操。電磁流量計、超聲波流量計、渦街流量計利用電氣原理工作，從而避免了機械流量計工作中需要更換的運動機件。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="陜西液體渦旋流量計廠家,流量計" src="https://tyunfile.71360.com/WaterMark/UploadFile/xalunqian/637332520164541016/3121473.png"></div><p> 管道式電磁流量計: </p> <p> 1．對直段的要求: </p> <p> 為了改善渦流與流場畸變的影響，流量計安裝的前、后直管段長度有一定要求，否則會影響測量精度（也可安裝整流器，盡量避免在靠近調(diào)節(jié)閥和半開閥門之后安裝）。 </p> <p> 2．對工藝管的要求: </p> <p> 流量計對安裝點的上、下游工藝管有一定的要求，否則影響測量精度。 </p> <p> a．上、下游工藝管的內(nèi)徑與傳感器的內(nèi)徑相同，并應(yīng)滿足：0.98DN≤D≤1.05DN（式中DN：傳感器內(nèi)徑，D：工藝管內(nèi)徑）; </p> <p> b．工藝管與傳感器必須同心，同軸偏差應(yīng)不大于0.05DN. </p> <p> 3．旁通管的要求: </p> <p> 為了方便檢修流量計，比較好為流量計安裝旁通管，另外，對重污染流體及流量計需清而流體不能停止的，必須安裝旁通管。 </p> <p> a．方便流量計的檢修; </p> <p> b．對重污染流體必須安裝; </p> <p> c．流體不能停止而流量計需清洗. 金屬管浮子流量計和口徑大于15mm的玻璃管浮子流量計稍高些，流速在0.5-1.5m/s之間。黑龍江金屬管浮子流量計廠家</p><p style="text-indent:25px">實際上大部分浮子流量計同一儀表可用于液體也可用于氣體，結(jié)構(gòu)上是通用的。陜西液體渦旋流量計廠家</p><p> 1、流量計的選用原則: </p> <p> 流量計的選用主要參考流量范圍（L/h）、溫度（℃）、壓力（MPa）、口徑（mm）、黏度（mPa·s）、計量精度、腐蝕性、周圍工作環(huán)境、計算器形式等。 </p> <p> 2、流量計的安裝: </p> <p> 任何類型的流量計都有一定的安裝要求，只有正確安裝才能使流量計正常、準(zhǔn)確地運行。流量計的安裝應(yīng)按產(chǎn)品使用說明書的要求，結(jié)合安裝現(xiàn)場的實際情況，以zui合適的方式進行。 </p> <p> 3、流量計的使用與維護: </p> <p> 只有當(dāng)流量計正確使用并及時的維護時，流量計才能以規(guī)定的精度運行。 </p> <p> （1）使用流量計時應(yīng)按照規(guī)定的流量范圍、工作壓力和工作溫度，不得隨意超出范圍以確保測量精度及使用壽命。 </p> <p> （2）對于運行中的流量計，應(yīng)按時巡檢，并記錄有關(guān)運行參數(shù)，如溫度、濕度、壓力、噪聲及有無滲漏等。 </p> <p> （3）長時間不用的流量計應(yīng)將殼內(nèi)殘留的流體泄放掉，根據(jù)需要涂防腐劑。 </p> <p> （4）對于一些國家特定的流量計量儀表，按規(guī)定按期強制標(biāo)定。陜西液體渦旋流量計廠家</p><p style="text-indent:25px">西安倫騫電器設(shè)備有限責(zé)任公司位于陜西省西安市，創(chuàng)立于2020-04-03。公司業(yè)務(wù)涵蓋雷達(dá)料位計，雷達(dá)物位計，壓力變送器，溫度變送器等，價格合理，品質(zhì)有保證。公司秉持誠信為本的經(jīng)營理念，在儀器儀表深耕多年，以技術(shù)為先導(dǎo)，以自主產(chǎn)品為重點，發(fā)揮人才優(yōu)勢，打造儀器儀表質(zhì)量品牌。西安倫騫電器秉承“客戶為尊、服務(wù)為榮、創(chuàng)意為先、技術(shù)為實”的經(jīng)營理念，***打造公司的核心競爭力。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/1089801.html</p></div></div></div></div></div><div id="8dfbtfm" class="page-right twoColRt"><div id="onurtuw" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="2i2s3yk" 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" 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