粉倉料位計推薦廠家誠信經(jīng)營西安倫騫電器設(shè)備供應(yīng)-b2b網(wǎng)站_b2b電子商務(wù)平臺【買產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content=" 射頻導(dǎo)納料位計在火電廠原煤倉中的應(yīng)用利用高頻技術(shù)，由電子線路產(chǎn)生一個小功率射頻信號于探頭上，探頭作為敏感元件，將來自物位介電常數(shù)引起的信號變化反饋給電子線路于這些變化包括電容量和電導(dǎo)量的變化，"><meta name="keywords" content="粉倉料位計推薦廠家,料位計"><link rel="canonical" href="http://www.cdcfah.com/"/><meta name="applicable-device" content="pc"><link rel="shortcut icon" href="/static/new_net_01/images/favicon.ico"><link rel="stylesheet" href="/static/new_net_01/css/slick.css" /><link rel="stylesheet" href="/static/new_net_01/css/addnew.css"><link rel="stylesheet" href="/static/new_net_01/css/sidenav.css"><link rel="stylesheet" href="/static/new_net_01/css/style.css" /><link rel="stylesheet" href="/static/new_net_01/css/tab.css"><link rel="stylesheet" href="/static/new_net_01/css/404.css"> <meta name="baidu-site-verification" content="OBVzrC9aaQ" /> <meta http-equiv="Cache-Control" content="no-transform" /> <meta 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clearfix"><h1>粉倉料位計推薦廠家誠信經(jīng)營西安倫騫電器設(shè)備供應(yīng)</h1><div id="pp2ru7k" class="proBig"><div id="cldkmv7" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/xalunqian/637332787428398437/4362940.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="dwya8wn" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/xalunqian/637332787428398437/4362940.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="3sg33gs" 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>粉倉料位計推薦廠家,料位計</p><p><span>***更新：</span>2020-08-21 07:15:52</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="jxzt8fr" 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(jī): </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="e2ho7a2" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="rahjl2u" class="box"><p><p> 射頻導(dǎo)納料位計在火電廠原煤倉中的應(yīng)用利用高頻技術(shù)，由電子線路產(chǎn)生一個小功率射頻信號于探頭上，探頭作為敏感元件，將來自物位介電常數(shù)引起的信號變化反饋給電子線路于這些變化包括電容量和電導(dǎo)量的變化，因而電子線路處理的是容抗和阻抗的綜合變化信號,采用相位檢測技術(shù)將這種變化檢測出來，進(jìn)行處理后改變繼電器的輸出狀態(tài)。它是在原電容測量的基礎(chǔ)上改進(jìn)為射頻導(dǎo)納測量技術(shù)，表示了當(dāng)今物位測量的新水平。可用于測量導(dǎo)電及不導(dǎo)電物體。常用有標(biāo)準(zhǔn)型，粉倉料位計推薦廠家，粉倉料位計推薦廠家、重型探頭型、耐高溫用陶瓷探頭型、堵料開關(guān)、堵煤開關(guān)等等。射頻導(dǎo)納物位儀表是一種從電容式物位測量技術(shù)發(fā)展起來的，粉倉料位計推薦廠家，防掛料、更可靠、更準(zhǔn)確、適用性更廣的物位控制技術(shù)，射頻導(dǎo)納中的導(dǎo)納的含義為電學(xué)中阻抗的倒數(shù)，它由電阻性成分、電容性成分、電感性成分綜合而成。而射頻即發(fā)射高頻無線電波，所以射頻導(dǎo)納物位控制技術(shù)是通過用高頻無線電波測量被測介質(zhì)導(dǎo)納來實現(xiàn)物位測量。為能夠明確地分析物位儀表，料位儀表的工作原理、特點和應(yīng)用環(huán)境，必須對物位測量的工藝要求進(jìn)行明確分析。粉倉料位計推薦廠家</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="粉倉料位計推薦廠家,料位計" src="https://tyunfile.71360.com/WaterMark/UploadFile/xalunqian/637332787428398437/4362940.png"></div><p style="text-indent:25px">阻旋式料位計：阻旋式料位計是一種料位開關(guān)。它也有不同的檢測控制方式，如某產(chǎn)品的基本原理是同步微電動機(jī)經(jīng)減速后，帶動檢測葉片以2.5～5r/min的轉(zhuǎn)速旋轉(zhuǎn)，當(dāng)被測物料的料位上升使葉片的轉(zhuǎn)動受到阻礙時，檢測機(jī)構(gòu)便圍繞主軸產(chǎn)生旋轉(zhuǎn)位移。此位移首先使一個微動開關(guān)動作，發(fā)出有料位信號。隨后另一個微動開關(guān)動作，切斷電動機(jī)電源使其停轉(zhuǎn)。只要此料位不變這種狀態(tài)便一直保持下去。當(dāng)料位下降至葉片失去阻擋時，檢測機(jī)構(gòu)便依靠彈簧拉力使其恢復(fù)原始狀態(tài)。一個微動開關(guān)先動作，接通電動機(jī)電源使其旋轉(zhuǎn)，隨后另一個微動開關(guān)動作發(fā)出無料信號，只要沒有物料阻擋檢測葉片的轉(zhuǎn)動，此種狀態(tài)也將一直保持下去。為防止使用中物料的沖擊，庫側(cè)安裝時應(yīng)在檢測葉片上方的料倉內(nèi)壁上方安裝防護(hù)板；如采用加長軸頂置垂直安裝時，則應(yīng)在軸套外安裝保護(hù)套筒。此種料位開關(guān)結(jié)構(gòu)簡單、價格低廉、維護(hù)方便，多用作粉狀物料料倉的料滿開關(guān)，但不適合高溫下工作。粉倉料位計推薦廠家抗震性及防松結(jié)構(gòu)設(shè)計，有效避免部件松動及滑脫；采用質(zhì)量不銹鋼材料，使其具有優(yōu)良的抗腐蝕性及耐磨性能。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="粉倉料位計推薦廠家,料位計" src="https://tyunfile.71360.com/WaterMark/UploadFile/xalunqian/637332787845517578/4697461.png"></div><p> 重錘式料位計機(jī)電重錘式料位計是連續(xù)測量料位計。由探測單元和控制器組成。常用于粉狀物料和粒狀物料的連續(xù)測量。探測單元安裝在料庫頂上，用鋼絲繩(鋼帶)的末端系一重錘。當(dāng)需要測量時，電動機(jī)帶動重錘下降，至料面時，鋼繩(帶)的張力松馳，電動機(jī)停轉(zhuǎn)并反轉(zhuǎn)，使重錘回到庫頂。檢測鋼繩(帶)位移的距離，得出庫內(nèi)料位?？刂品矫妫瑱z測重錘接觸物料從而控制電動機(jī)啟停有不同的方式?？刂破魍ǔ＿h(yuǎn)離環(huán)境惡劣的現(xiàn)場，設(shè)置在控制室，可與上位機(jī)聯(lián)網(wǎng)。重錘料位計安裝、運(yùn)行注意事項:1)測量點的選擇:如料庫為中心進(jìn)料，探頭單元應(yīng)安裝在料庫半徑的1/2處，探頭與進(jìn)料口的水平距離要>1m，應(yīng)遠(yuǎn)離下料口。2)由于測量重錘上升時有擺動，故在重錘升降時以。3)庫內(nèi)裝料時，不進(jìn)行測量，因為進(jìn)料可能埋錘，易造成故障。4)定時檢查清理探頭單元、鋼繩(帶)、測量錘等并定時校驗控制器。重錘式料位計是接觸式測量，基本上不受庫內(nèi)溫度、濕度、粉塵的影響，計量精度較高而且國產(chǎn)設(shè)備的價格相對較低，有的產(chǎn)品還具有在線和離線調(diào)試的功能。但維修工作量較大，主要是因為錘頭和鋼繩(帶)易被粉料粘裹，受粉料沖刷，造成斷繩、掉錘頭事故。目前，重錘料位計在水泥廠仍占有一定市場。 </p>灰?guī)炝蟼}料位計是一款采用脈沖原理非接觸式雷達(dá)物位計，可廣泛應(yīng)用于測量液體、漿料及粘稠物等的距離、物位、體積、重量及明渠流量，也可用于測量粉末、顆粒、塊狀等固體介質(zhì)?；?guī)炝蟼}料位計即使在多粉塵、有攪拌的應(yīng)用場合中，也可以穩(wěn)定測量。 <p> 灰?guī)炝蟼}料位計測量原理： </p> <p> 雷達(dá)物位計通過天線發(fā)射極窄且能量很低的微波脈沖信號，這個脈沖信號以光速在空間傳輸，遇到被測介質(zhì)發(fā)生反射，反射信號被儀表接收，發(fā)射脈沖信號與接收脈沖信號的時間間隔與基準(zhǔn)面到被測介質(zhì)表面的距離成正比，通過測量發(fā)射與接收的時間間隔，來實現(xiàn)天線至介質(zhì)表面距離的測量。 </p> <p> ①時間1：產(chǎn)生初始脈沖；②時間2：沿喇叭天線向下行進(jìn)，速度C（光速）；③時間3：脈沖遇到介質(zhì)表面發(fā)生反射；④時間4：反射脈沖被接收，并被處理器記錄；⑤脈沖信號從被發(fā)射到被接收之間的時間差T，與基準(zhǔn)面到介質(zhì)表面的距離D成正比：D=C×T/2；⑥測量的基準(zhǔn)面是：螺紋底面或法蘭的密封面；⑦ A:量程 B:低位 C:滿位 D:盲區(qū)；⑧運(yùn)行時，保證zui高料位不能進(jìn)入測量盲區(qū)D。選煤廠常用的可自動連續(xù)檢測煤倉料位的儀表為電極式、超聲波式、重錘式、微波式和稱重式料位計。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="粉倉料位計推薦廠家,料位計" src="https://tyunfile.71360.com/WaterMark/UploadFile/xalunqian/637332787325175781/5467972.png"></div><p> 雷達(dá)料位測量原理和主要技術(shù)因素： </p> <p> 雷達(dá)料位計是利用回波測距原理。發(fā)射天線向被測目標(biāo)發(fā)射微波，被測目標(biāo)的微波被接收天線接收，信號處理器將發(fā)射信號與接收信號比較，計算出被測距離，并可算出相應(yīng)的物位值。 </p> <p> 微波脈沖來回傳播時間t由下式?jīng)Q定： </p> <p> t= （1）； </p> <p> 式中a—天線到被測目標(biāo)的距離； </p> <p> c—微波傳播的速度（光速）。 </p> <p> <p> 由于微波在傳播途徑上有衰減和干擾反射，故測量的關(guān)鍵是要能接收到反射回波，并識別出有效回波。接收的回波能量Pk可用簡化的雷達(dá)方程表示如下： </p> <p> Pk=Pτx C x GiGtGr/r4 （2） </p> <p> 式中： Pτ—天線輻射功率；C ——- 經(jīng)驗系數(shù)，由經(jīng)驗決定；Gi——- 由目標(biāo)表面介電特性及面積決定的反射增益；Gt，Gr—天線發(fā)射和接收效率；r—天線與目標(biāo)間的距離。 </p> <p> 從式（2）知：接收的回波能量大小與天線的發(fā)射和接收效率以及天線輻射功率有關(guān)，故雷達(dá)料位計的天線設(shè)計和形狀很關(guān)鍵關(guān)鍵，現(xiàn)有的天線除號角天線（喇叭口）和棒狀天線外，還有平面天線和拋物面天線，為用于介電常數(shù)較小的物料，將纜繩作為天線或安裝導(dǎo)波管，纜繩和導(dǎo)波管一直延伸到庫或倉底，由此來傳遞發(fā)送和接收的電磁波，增強(qiáng)了回波的信號。 </p> 電容式液位計是將被測量對象位置的變化轉(zhuǎn)換成電容量的一種裝置，電容液位計具有結(jié)構(gòu)簡單，分辨力高。導(dǎo)波雷達(dá)料位計型號</p><p style="text-indent:25px">雷達(dá)料位計對液體、顆粒及漿料連續(xù)物位測量。測量不受介質(zhì)變化、溫度變化、惰性氣體及蒸汽、粉塵等的影響。粉倉料位計推薦廠家</p><p style="text-indent:25px">礦石料位計測量原理: 發(fā)射能量很低的極短的微波脈沖通過天線系統(tǒng)發(fā)射并接收。雷達(dá)波以光速運(yùn)行。運(yùn)行時間可以通過電子部件轉(zhuǎn)換成物位信號。一種特殊的時間延伸方法可以確保極短時間內(nèi)穩(wěn)定的測量。即使工況情況比較復(fù)雜，存在虛假回波，用*新的微處理技術(shù)和調(diào)試軟件也可以準(zhǔn)確的分析出物位的回波。礦石料位計適用于各種過程條件復(fù)雜的容器、儲罐、料倉等，且不受被測介質(zhì)物理特性變化影響，外部測量，兩線制技術(shù)，適用于防爆場合，非接觸式與連續(xù)測量的脈沖型物位計zui大測量距離35m。粉倉料位計推薦廠家</p><p style="text-indent:25px">西安倫騫電器設(shè)備有限責(zé)任公司創(chuàng)立于2020-04-03，是一家生產(chǎn)型公司。西安倫騫電器致力于為客戶提供質(zhì)量的[ "雷達(dá)料位計", "雷達(dá)物位計", "壓力變送器", "溫度變送器" ]，一切以用戶需求為中心,深受廣大客戶的歡迎。公司從事儀器儀表多年，有著創(chuàng)新的設(shè)計、強(qiáng)大的技術(shù)，還有一批**的專業(yè)化的隊伍，確保為客戶提供質(zhì)量的產(chǎn)品及服務(wù)。公司自成立以來發(fā)展迅速，業(yè)務(wù)不斷發(fā)展壯大，年營業(yè)額度達(dá)到50-100萬元，未來我們將不斷進(jìn)行創(chuàng)新和改進(jìn)，讓企業(yè)發(fā)展再上新高。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/988494.html</p></div></div></div></div></div><div id="kj7fmqk" class="page-right twoColRt"><div id="kya3kmo" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="t8df2ip" class="recomPic likePro"><a 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