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href="http://www.cdcfah.com/cp/first-_jxjxysb/">機(jī)械及行業(yè)設(shè)備</a>?<a href="http://www.cdcfah.com/cp/second-jxjxysb_yyjyyj/">液壓機(jī)械與元件</a>?<a href="http://www.cdcfah.com/cp/third-yyjyyj_qtyyjjzpj/">其他液壓機(jī)械及組配件</a>?蘇州導(dǎo)波雷達(dá)料位計(jì)哪家質(zhì)量好江蘇中徽測控儀表供應(yīng)</p><div id="joey2yf" class="leftbox clearfix"><h1>蘇州導(dǎo)波雷達(dá)料位計(jì)哪家質(zhì)量好江蘇中徽測控儀表供應(yīng)</h1><div id="ynubqhy" class="proBig"><div id="xmjlrtv" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/jszhck/637412175454629447/3669011.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="zol7qhe" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/jszhck/637412175454629447/3669011.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="3phzwyv" 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>蘇州導(dǎo)波雷達(dá)料位計(jì)哪家質(zhì)量好,雷達(dá)料位計(jì)</p><p><span>***更新：</span>2021-02-01 05:11:03</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="u8delnp" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">江蘇中徽測控儀表有限公司</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="zq3cnub" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="ahjw23z" class="box"><p><p style="text-indent:25px"> 物位是水泥工業(yè)生產(chǎn)過程的主要測量參數(shù)之一，和其他行業(yè)不同，在水泥工業(yè)中主要是固體物料的物位測量，液位測量則很少。固體物料種類繁多，有塊料、顆粒狀、粉料，這些物料的介電常數(shù)、容重、溫度，蘇州導(dǎo)波雷達(dá)料位計(jì)哪家質(zhì)量好、水分含量也各不相同。接觸式測量是過去測量物位的主要手段，蘇州導(dǎo)波雷達(dá)料位計(jì)哪家質(zhì)量好，如電容式、重錘式、音叉式、阻旋式等測量方法，由于測量時(shí)儀表和物料是接觸的，在使用過程中往往會(huì)出現(xiàn)各種問題，如電容的掛料；重錘的斷錘，蘇州導(dǎo)波雷達(dá)料位計(jì)哪家質(zhì)量好、埋錘；音叉的堵料等，且日常的維護(hù)量很大。到20世紀(jì)90年代，水泥工業(yè)開始采用非接觸的物位測量，較早成熟的非接觸的測量技術(shù)有超聲波技術(shù)和核輻射技術(shù)（γ射線），核輻射技術(shù)因有放射源，在應(yīng)用上受到限制。雷達(dá)料位計(jì)具有比接觸式料位計(jì)和同類非接觸料位計(jì)更加優(yōu)良的性能。蘇州導(dǎo)波雷達(dá)料位計(jì)哪家質(zhì)量好</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="蘇州導(dǎo)波雷達(dá)料位計(jì)哪家質(zhì)量好,雷達(dá)料位計(jì)" src="https://tyunfile.71360.com/UploadFile/jszhck/637412175454629447/3669011.png"></div><p> 雷達(dá)波是一種特殊形式的電磁波，雷達(dá)料位計(jì)利用了電磁波的特殊性能來進(jìn)行料位檢測。電磁波的物理特性與可見光相似，傳播速度相當(dāng)于光速。其頻率為300MHz-3000GHz。電磁波可以穿透空間蒸汽、粉塵等干擾源，遇到障礙物易于被反射，被測介質(zhì)導(dǎo)電性越好或介電常數(shù)越大，回波信號(hào)的反射效果越好。雷達(dá)物位計(jì)(3張)發(fā)射－反射－接收是雷達(dá)式料位計(jì)工作的基本原理。雷達(dá)傳感器的天線以波束的形式發(fā)射小。反射回來的信號(hào)仍由天線接收，雷達(dá)料位計(jì)雷達(dá)脈沖信號(hào)從發(fā)射到接收的運(yùn)行時(shí)間與傳感器到介質(zhì)表面的距離以及物位成比例。即：h=H–vt/2式中h為料位；H為槽高；v為雷達(dá)波速度；t為雷達(dá)波發(fā)射到接收的間隔時(shí)間。湖北拋物面式雷達(dá)料位計(jì)哪家質(zhì)量好選購雷達(dá)料位計(jì)也是要將品牌考慮在內(nèi)，一些大品牌無論在技術(shù)上，還是在售后上，都是有一定保障的。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="蘇州導(dǎo)波雷達(dá)料位計(jì)哪家質(zhì)量好,雷達(dá)料位計(jì)" src="https://tyunfile.71360.com/UploadFile/jszhck/637412175313390013/3706361.png"></div><p> 若傳感器安裝在接管上，天線必須從接管伸出來。喇叭口天線伸出接管至少10mm。棒式天線接管長度比較大100或250mm。接管直徑小250mm?？梢圆扇〖哟蠼庸苤睆降姆椒?，以減少由于接管產(chǎn)生的干擾回波。關(guān)于導(dǎo)波管天線：導(dǎo)波管內(nèi)壁一定要光滑，下面開口的導(dǎo)波管必須達(dá)到需要的比較低液位，這樣才能在管道中進(jìn)行測量。傳感器的類型牌要對(duì)準(zhǔn)導(dǎo)波管開孔的軸線。若被測介電常數(shù)小于4，需在導(dǎo)波管末端安裝反射板，或?qū)?dǎo)波管末端彎成一個(gè)彎度，將容器底的反射回波折射走。 </p> <p> <br /> </p> <p> 雷達(dá)料位計(jì)的基本原理 </p> <p> 雷達(dá)式料位計(jì)組成：它主要由發(fā)射和接收裝置、信號(hào)處理器、天線、操作面板、顯示、故障報(bào)警等幾部分組成。 </p> <p> 發(fā)射－反射－接收是雷達(dá)式料位計(jì)工作的基本原理。雷達(dá)傳感器的天線以波束的形式發(fā)射比較小5.8GHz的雷達(dá)信號(hào)。反射回來的信號(hào)仍由天線接收，雷達(dá)脈沖信號(hào)從發(fā)射到接收的運(yùn)行時(shí)間與傳感器到介質(zhì)表面的距離以及物位成比例。即：h= H–vt/2 式中 h為料位；H為槽高；v為雷達(dá)波速度；t為雷達(dá)波發(fā)射到接收的間隔時(shí)間。 </p><p> 應(yīng)用中存在的問題及解決方法 </p> <p> 有些工況下所使用的雷達(dá)料位計(jì)，因?yàn)閭鞲衅靼惭b位置不當(dāng)及條件所致，出現(xiàn)了一些問題，下面將對(duì)一些使用中的問題提出解決方案,供大家參考。 </p> <p> 1．探頭結(jié)疤和頻繁故障的解決方法個(gè)辦法是將探頭安裝位置提高，但是有時(shí)候安裝條件限制，不能提高的情況下，就應(yīng)采用將料位測量值與該槽的泵聯(lián)鎖的辦法，解決這一難題：將比較高料位設(shè)定值減小0.5m左右，當(dāng)料位達(dá)到該比較高值時(shí)，即可停進(jìn)料泵或開啟出料泵。 </p> <p> 2．雷達(dá)料位計(jì)被淹相應(yīng)的改進(jìn)辦法解決這種問題的辦法是將雷達(dá)料位計(jì)改為導(dǎo)波管式測量。仍在原開孔處安裝導(dǎo)波管式雷達(dá)料位計(jì)，導(dǎo)波管高于排汽管0.2m左右，這樣一來，即使出現(xiàn)料漿從排汽管溢出的惡劣工況，也不會(huì)使料位計(jì)天線被料漿淹沒，而且避免了攪拌器渦流的干擾及大量蒸汽從探頭處冒出，減少了對(duì)探頭的損害，同時(shí)由于導(dǎo)波管聚焦效果好，接收的雷達(dá)波信號(hào)更強(qiáng)，取得了很好的測量效果。使用導(dǎo)波管測量方式，可以改善表計(jì)測量條件，提高儀表測量性能,具有很高的推廣應(yīng)用價(jià)值。雷達(dá)料位計(jì)可以應(yīng)用在電力行業(yè)物料過程存儲(chǔ)物位檢測，如火電廠中的原煤倉、粉煤倉以及干灰?guī)熘辛衔坏臋z測。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="蘇州導(dǎo)波雷達(dá)料位計(jì)哪家質(zhì)量好,雷達(dá)料位計(jì)" src="https://tyunfile.71360.com/UploadFile/jszhck/637412175249297535/7589860.png"></div><p style="text-indent:25px">1．探頭結(jié)疤和頻繁故障的解決方法個(gè)辦法是將探頭安裝位置提高，但是有時(shí)候安裝條件限制，不能提高的情況下，就應(yīng)采用將料位測量值與該槽的泵聯(lián)鎖的辦法，解決這一難題：將比較高料位設(shè)定值減小0.5m左右，當(dāng)料位達(dá)到該比較高值時(shí)，即可停進(jìn)料泵或開啟出料泵。2．雷達(dá)料位計(jì)被淹相應(yīng)的改進(jìn)辦法解決這種問題的辦法是將雷達(dá)料位計(jì)改為導(dǎo)波管式測量。仍在原開孔處安裝導(dǎo)波管式雷達(dá)料位計(jì)，導(dǎo)波管高于排汽管0.2m左右，這樣一來，即使出現(xiàn)料漿從排汽管溢出的惡劣工況，也不會(huì)使料位計(jì)天線被料漿淹沒，而且避免了攪拌器渦流的干擾及大量蒸汽從探頭處冒出，減少了對(duì)探頭的損害，同時(shí)由于導(dǎo)波管聚焦效果好，接收的雷達(dá)波信號(hào)更強(qiáng)，取得了很好的測量效果。使用導(dǎo)波管測量方式，可以改善表計(jì)測量條件，提高儀表測量性能,具有很高的推廣應(yīng)用價(jià)值。3．關(guān)于泡沫對(duì)測量的影響干泡沫和濕泡沫能將雷達(dá)波反射回來，對(duì)測量無影響；中性泡沫則會(huì)吸收和擴(kuò)散雷達(dá)波，因而嚴(yán)重影響回波的反射甚至沒有回波。當(dāng)介質(zhì)表面為稠而厚的泡沫時(shí)，測量誤差較大或無法測量，在這種工況下，雷達(dá)料位計(jì)不具有優(yōu)勢，這是其應(yīng)用的局限性。按照工作方式進(jìn)行劃分，雷達(dá)料位計(jì)又分為接觸式雷達(dá)料位計(jì)和非接觸式雷達(dá)料位計(jì)。無錫導(dǎo)波雷達(dá)料位計(jì)哪家好</p><p style="text-indent:25px">雷達(dá)料位計(jì)原理以及技術(shù)性能,雷達(dá)料位計(jì)已成為物位測量儀表市場上的主流產(chǎn)品。蘇州導(dǎo)波雷達(dá)料位計(jì)哪家質(zhì)量好</p><p> 雷達(dá)料位計(jì)測量料位的先進(jìn)技術(shù)：(1)回波處理新技術(shù)的應(yīng)用從雷達(dá)料位計(jì)的測量原理可以知道，雷達(dá)料位計(jì)是通過處理雷達(dá)波從探頭發(fā)射到介質(zhì)表面然后返回到探頭的時(shí)間來測量料位的，在反射信號(hào)中混合有許多干擾信號(hào)，所以，對(duì)真實(shí)回波的處理和對(duì)各種虛假回波的識(shí)別技術(shù)就成為雷達(dá)料位計(jì)能夠準(zhǔn)確測量的關(guān)鍵因素。(2)測量數(shù)據(jù)處理：由于液面波動(dòng)和隨機(jī)噪聲等因素的影響，檢測信號(hào)中必然混有大量噪聲。為了提高檢測的準(zhǔn)確度，必須對(duì)檢測信號(hào)進(jìn)行處理，盡可能消除噪聲。經(jīng)過大量的實(shí)驗(yàn)驗(yàn)證，采用數(shù)據(jù)平滑方法可以達(dá)到滿意的效果。此方法也可有效的克服罐內(nèi)攪拌器對(duì)測量的影響。(3)雷達(dá)料位計(jì)的特點(diǎn)：由于雷達(dá)料位計(jì)采用了上述先進(jìn)的回波處理和數(shù)據(jù)處理技術(shù)，加上雷達(dá)波本身頻率高，穿透性能好的特點(diǎn)，所以，雷達(dá)料位計(jì)具有比接觸式料位計(jì)和同類非接觸料位計(jì)更加優(yōu)良的性能。①可在惡劣條件下連續(xù)準(zhǔn)確地測量。②操作簡單，調(diào)試方便。③準(zhǔn)確安全且節(jié)省能源。④無需維修且可靠性強(qiáng)。⑤幾乎可以測量所有介質(zhì)。蘇州導(dǎo)波雷達(dá)料位計(jì)哪家質(zhì)量好</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/3105415.html</p></div></div></div></div></div><div id="oyf779w" class="page-right twoColRt"><div id="qfhzgnp" class="box01 margin10 clearfix"><h3><a 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