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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>遼寧飼料**料位計廠家,料位計</p><p><span>***更新：</span>2020-11-30 07:19:28</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="dhurbkl" 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="cbyvsuw" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="qfcelnz" class="box"><p><p> 1.電容式料位計原理是插入料倉的電極與料倉壁之間構(gòu)成電容器，當(dāng)倉內(nèi)物料料位變化引起電容量的變化，通過轉(zhuǎn)換電路得到相應(yīng)的控制信號。 </p> <p> 優(yōu)點：無機械磨損，安裝維修方便；依據(jù)量程大小和控制方式不同，電極設(shè)計成桿（棒）式或鋼纜（重型鋼纜）式，可應(yīng)用于各種料倉；價格較低。 </p> <p> 缺點：若電極（探頭）上或倉壁粘有物料，往往會導(dǎo)致控制器誤動作，從而影響測量效果，遼寧飼料**料位計廠家，應(yīng)定期檢查探頭和料位開關(guān)動作情況并校驗。 <p> 2.阻旋式料位計基本原理是同步微電動機減速后，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轉(zhuǎn)動受阻，檢測機構(gòu)便圍繞主軸產(chǎn)生旋轉(zhuǎn)位移。該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，切斷電動機電源使其停轉(zhuǎn)，遼寧飼料**料位計廠家。 </p> <p> 優(yōu)點：開關(guān)結(jié)構(gòu)簡單，遼寧飼料**料位計廠家、維護(hù)方便；價格較低。 </p> <p> 缺點：不適合在高溫下工作。 </p> 很強防塵密封性能，即使1MPa壓力，粉塵也無法進(jìn)入。遼寧飼料**料位計廠家</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="遼寧飼料**料位計廠家,料位計" src="https://tyunfile.71360.com/WaterMark/UploadFile/xalunqian/637332787325175781/5467972.png"></div><p> 粉狀物料的選型：在水泥廠和粉磨站水泥庫一般有4～8個，在水泥廠還有生料均化庫和粉煤灰?guī)?，這些物料全是粉料，非常難測其料位。在庫里的粉料表面非常疏松，微波反射相當(dāng)困難，為此建議采用接觸型雷達(dá)料位計,也可選用**蘭的帶有喇叭天線的非接觸型雷達(dá)料位計。 </p> <p> 二線制：目前使用的雷達(dá)料位計大多是一體化的產(chǎn)品，由二線制供電，可直接接控制系統(tǒng)的模塊，輸出4～20mA的模擬信號，可節(jié)省大量電纜；同時還提供HART數(shù)字信號和各種協(xié)議的現(xiàn)場總線的數(shù)字通信功能，和計算機監(jiān)控系統(tǒng)連接非常方便． </p> <p> 結(jié)論：水泥廠的物位測量是水泥生產(chǎn)線自動化系統(tǒng)一個重要組成部分，雷達(dá)料位計的應(yīng)用解除了人們對水泥廠的物位測量的疑慮，現(xiàn)有雷達(dá)料位計在品種、度、標(biāo)準(zhǔn)材料、耐壓、耐高溫、防爆等方面都能滿足水泥廠檢測和控制的要求。超聲波料位計價格查詢雷達(dá)料位計是非接觸式測量或TDR導(dǎo)波式測量。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="遼寧飼料**料位計廠家,料位計" src="https://tyunfile.71360.com/WaterMark/UploadFile/xalunqian/637332787686796875/972705.png"></div><p> 脈沖型和調(diào)頻連續(xù)波雷達(dá) ：用于測物位的雷達(dá)料位計通常分為兩類：脈沖型雷達(dá)和調(diào)頻連續(xù)波雷達(dá)。在過程監(jiān)測場合主要選用脈沖型雷達(dá)，由于其頻率較低（6.3GHz），并且在天線結(jié)構(gòu)設(shè)計時充分考慮了冷凝、積料等影響，還能利用雷達(dá)料位計中的回波信號處理，在有攪拌器等復(fù)雜工況中也能識別有效回波，價格相對也較便宜，故在水泥行業(yè)中主要采用了雷達(dá)料位計．雷達(dá)由于發(fā)射功率大，量程大，價格也有較大下降，而且可靠性高，故近期在水泥行業(yè)已較多采用了國產(chǎn)雷達(dá)。 </p><p> 泥渣儲罐雷達(dá)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)波以光速運行。運行時間可以通過電子部件被轉(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)定和精確的測量。即使工況比較復(fù)雜的情況下，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。泥渣儲罐雷達(dá)料位計技術(shù)參數(shù):工作頻率26G;波束角24°VIVO2042-B1,VIVO2042-B218°VIVO2042-B3帶DN150法蘭14°VIVO2042-B3帶DN200法蘭12°VIVO2042-B3帶DN250法蘭;測量范圍0-35m;重復(fù)性±3mm;分辨率1mm;采樣回波采樣55次/s;響應(yīng)速度>（根據(jù)具體使用情況而定）;輸出信號4-20mA;精度<天線材質(zhì)VIVO2042-B1、VIVO2042-B2為PP/PTFE；VIVO2042-B3為316L不銹鋼;通訊接口HART通訊協(xié)議;過程連接VIVO2042-B1(棒式天線)：螺紋連接或1-1/2NPT;VIVO2042-B2(棒式天線)：翻邊法蘭DN50，DN80，DN100，DN150;VIVO2042-B3(喇叭口形式天線)：法蘭DN50~DN250;電源24VDC(±10%),紋波電壓：1Vpp;耗電量max環(huán)境條件溫度-40℃～+80℃;工作壓力-1～40bar;防護(hù)等級IP68;防爆等級EXiaIICT6;電纜入口2個M20×。 .料位顯示功能:采用長壽命高亮度指示燈，料位顯示直觀方便。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="遼寧飼料**料位計廠家,料位計" src="https://tyunfile.71360.com/WaterMark/UploadFile/xalunqian/637332788062265625/9808280.png"></div><p> 導(dǎo)波式雷達(dá)料位計此為雷達(dá)料位計的一種變型，通常采用脈沖波方式工作。與雷達(dá)料位計不同微波脈沖不是通過空間傳播，而是通過1根（或2根）從倉頂伸入、直達(dá)倉底的導(dǎo)波體傳播。導(dǎo)波體可以是金屬硬桿或柔性金屬纜繩，微波脈沖沿桿或纜的外側(cè)向下傳播，在被測物料表面被反射，回波被天線接收，由發(fā)射與回波脈沖的時間差即可計算出傳播距離。 </p> <p> 優(yōu)點：與超聲波及雷達(dá)料位計相比，工作穩(wěn)定可靠；同雷達(dá)料位計一樣，反射信號的強度取決于被測物料的介電率或?qū)щ娐剩珜?dǎo)波式可以測量更低介電率的物料。 </p> <p> 缺點：雙桿（纜）及同軸管式導(dǎo)波體由于電場能量集中，易受外部結(jié)構(gòu)影響；在桿之間（或管內(nèi)部）易積料，產(chǎn)生虛假回波，影響測量效果；埋在物料中的纜繩由于物料重力會產(chǎn)生較大的下拉力，造成纜繩被拉斷等故障。雷達(dá)料位計和雷達(dá)液位計以及雷達(dá)水位計的測量原理是一樣的，但是它們的測量的介質(zhì)不同，應(yīng)用的環(huán)境也不同。超聲波料位計價格查詢</p><p style="text-indent:25px">當(dāng)料倉內(nèi)葉片部位無料時，料位器通電，指示燈亮，葉片逆時針旋轉(zhuǎn)。遼寧飼料**料位計廠家</p><p> 超聲波料位計主要利用回波測距原理，通過測量換能器發(fā)射和接收到聲波的時間，計算出換能器到物料表面距離。該料位計適用于塊狀、顆粒狀的固態(tài)料位測量。 </p> <p> 優(yōu)點：安裝方便、工作可靠、維護(hù)量少；價格有競爭性。 </p> <p> 缺點：超聲波必須借助于媒質(zhì)傳播，水泥廠的料位測量通常以空氣作為傳播介質(zhì)，而空氣的溫度、濕度等變化會影響超聲波傳播速度，故在一些有溫度、壓力、蒸汽等場合，該料位計不能正常工作；料庫空氣中的粉塵也衰減超聲波信號，影響測量效果；由于粉倉料位表面在下料時非常疏松，對超聲波信號有較強衰減，故對粉倉料位的測量效果較差。遼寧飼料**料位計廠家</p></p><br /><p>文章來源地址: 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