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class="twoCol"><div id="bvskmeb" class="page-proshow clearfix"><p class="current"> 當(dāng)前位置:<a href="http://www.cdcfah.com/">首頁?<a href="http://www.cdcfah.com/cp/">產(chǎn)品供應(yīng)</a>?<a 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>?無錫高溫PFA仿結(jié)晶雷達(dá)料位計找哪家歡迎咨詢江蘇中徽測控儀表供應(yīng)</p><div id="yikxzby" class="leftbox clearfix"><h1>無錫高溫PFA仿結(jié)晶雷達(dá)料位計找哪家歡迎咨詢江蘇中徽測控儀表供應(yīng)</h1><div id="7cj89e3" class="proBig"><div id="fzgaceg" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/jszhck/637412175320938026/9174708.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="a3wikmo" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/jszhck/637412175320938026/9174708.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="ujln2jq" 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>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>無錫高溫PFA仿結(jié)晶雷達(dá)料位計找哪家,雷達(dá)料位計</p><p><span>***更新：</span>2020-12-26 03:10:12</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="3fwofwo" 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</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="7dprdpr" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="jdkmtqs" class="box"><p><p> 探頭結(jié)疤和頻繁故障的解決方法首先是將探頭安裝位置提高，但是有時候安裝條件限制，不能提高的情況下，無錫高溫PFA仿結(jié)晶雷達(dá)料位計找哪家，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，即可停進(jìn)料泵或開啟出料泵。 </p> <p> 雷達(dá)料位計被淹相應(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，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，也不會使料位計天線被料漿淹沒，而且避免了攪拌器渦流的干擾及大量蒸汽從探頭處冒出，減少了對探頭的損害，同時由于導(dǎo)波管聚焦效果好，無錫高溫PFA仿結(jié)晶雷達(dá)料位計找哪家，接收的雷達(dá)波信號更強(qiáng)，取得了很好的測量效果，無錫高溫PFA仿結(jié)晶雷達(dá)料位計找哪家。使用導(dǎo)波管測量方式，可以改善表計測量條件，提高儀表測量性能,具有很高的推廣應(yīng)用價值。雷達(dá)料位計是通過處理雷達(dá)波從探頭發(fā)射到介質(zhì)表面然后返回到探頭的時間來測量料位的。無錫高溫PFA仿結(jié)晶雷達(dá)料位計找哪家</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="無錫高溫PFA仿結(jié)晶雷達(dá)料位計找哪家,雷達(dá)料位計" src="https://tyunfile.71360.com/UploadFile/jszhck/637412175320938026/9174708.png"></div><p> 雷達(dá)料位計的基本原理。 </p> <p> 雷達(dá)式料位計組成：它主要由發(fā)射和接收裝置、信號處理器、天線、操作面板、顯示、故障報警等幾部分組成。 </p> <p> 發(fā)射－反射－接收是雷達(dá)式料位計工作的基本原理。雷達(dá)傳感器的天線以波束的形式發(fā)射小5.8GHz的雷達(dá)信號。反射回來的信號仍由天線接收，雷達(dá)脈沖信號從發(fā)射到接收的運行時間與傳感器到介質(zhì)表面的距離以及物位成比例。 </p> <p> 即：h= H–vt/2 </p> <p> 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)射到接收的間隔時間。江西高溫PFA仿結(jié)晶雷達(dá)料位計廠家哪家好雷達(dá)料位計具有低維護(hù)，高性能、高精度、高可靠性，使用壽命長等優(yōu)點。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="無錫高溫PFA仿結(jié)晶雷達(dá)料位計找哪家,雷達(dá)料位計" src="https://tyunfile.71360.com/UploadFile/jszhck/637412175378477660/486145.png"></div><p> 1．探頭結(jié)疤和頻繁故障的解決方法 </p> <p> 個辦法是將探頭安裝位置提高，但是有時候安裝條件限制，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，即可停進(jìn)料泵或開啟出料泵。 </p> <p> 2．關(guān)于泡沫對測量的影響： </p> <p> 干泡沫和濕泡沫能將雷達(dá)波反射回來，對測量無影響；中性泡沫則會吸收和擴(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，測量誤差較大或無法測量，在這種工況下，雷達(dá)料位計不具有優(yōu)勢，這是其應(yīng)用的局限性。 </p> <p> 3．對于天線結(jié)疤的處理： </p> <p> 介電常數(shù)很小的掛料在干燥狀態(tài)下對測量無影響，而介電常數(shù)很高的掛料則對測量有影響?？捎脡嚎s空氣吹掃（或清水沖洗），且冷卻的壓縮空氣可降低法蘭和電器元件的溫度。還可用酸性清洗液清洗堿性結(jié)疤，但在清洗期間不能進(jìn)行料位測量。 </p><p> 安裝雷達(dá)物位計時要避免傳感器和罐壁的接觸，應(yīng)該和管壁保持一定距離。因為雷達(dá)物位計是通過發(fā)出高頻微波脈沖沿著探測組件傳播測量的，這些脈沖波遇到被測介質(zhì)介電常數(shù)就會發(fā)生變化，引起反射。因此，要是安裝的物位計離管壁過近就可能得到的是管壁的介電常數(shù)，直接導(dǎo)致了被測參數(shù)的不準(zhǔn)確。 </p> <p> 雷達(dá)物位計的正確安裝方法 </p> <p> 1、建議安裝短管的外壁距離罐體內(nèi)壁應(yīng)該大于罐體直徑的1/6； </p> <p> 2、安裝短管的外壁距離罐體內(nèi)壁的距離小不得低于300mm； </p> <p> 3、不能將雷達(dá)物位計安裝在入料口的上方； </p> <p> 4、不能安裝在罐體中心位置，如果安裝在**，會產(chǎn)生多重虛假回波，干擾回波會導(dǎo)致信號丟失。 </p> <p> 5、如果不能保持儀表與罐壁的距離，罐壁上的介質(zhì)會黏附造成虛假回波，在調(diào)試儀表的時候應(yīng)該進(jìn)行虛假回波存儲。雷達(dá)料位計是一款連續(xù)量的測量儀表，有著測量精度高的優(yōu)勢，精度可達(dá)±1mm。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="無錫高溫PFA仿結(jié)晶雷達(dá)料位計找哪家,雷達(dá)料位計" src="https://tyunfile.71360.com/UploadFile/jszhck/637412175336406821/7064695.png"></div><p> 原理及技術(shù)性能 </p> <p> 1、雷達(dá)波是一種特殊形式的電磁波，雷達(dá)料位計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。 </p> <p> 2、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，回波信號的反射效果越好。 </p> <p> 3、雷達(dá)波的頻率越高，發(fā)射角越小，單位面積上能量（磁通量或場強(qiáng)）越大呢，波的衰減越小，雷達(dá)料位計的測量效果越好的。選購雷達(dá)料位計時，要以雷達(dá)料位計原理作為基礎(chǔ)，關(guān)注選型的問題，這才可以為實際的生產(chǎn)工作帶來許多好處。無錫高溫PFA仿結(jié)晶雷達(dá)料位計找哪家</p> <span style="display:none;"></span><p style="text-indent:25px">雷達(dá)波是一種特殊形式的電磁波，雷達(dá)料位計利用了電磁波的特殊性能來進(jìn)行料位檢測。無錫高溫PFA仿結(jié)晶雷達(dá)料位計找哪家</p><p style="text-indent:25px">安裝應(yīng)注意的問題:（1）當(dāng)測量液態(tài)物料時，傳感器的軸線和介質(zhì)表面保持垂直；當(dāng)測量固態(tài)物料時，由于固體介質(zhì)會有一個堆角，傳感器要傾斜一定的角度。（2）盡量避免在發(fā)射角內(nèi)有造成假反射的裝置。特別要避免在距離天線近的1/3錐形發(fā)射區(qū)內(nèi)有障礙裝置（因為障礙裝置越近，虛假反射信號越強(qiáng)）。若實在避免不了，建議用一個折射板將過強(qiáng)的虛假反射信號折射走。這樣可以減小假回波的能量密度，使傳感器較容易地將虛假信號濾出。（3）要避開進(jìn)料口，以免產(chǎn)生虛假反射。（4）傳感器不要安裝在拱形罐的中心處（否則傳感器收到的虛假回波會增強(qiáng)），也不能距離罐壁很近安裝，比較好安裝位置在容器半徑的1/2處。（5）要避免安裝在有很強(qiáng)渦流的地方。如：由于攪拌或很強(qiáng)的化學(xué)反應(yīng)等，建議采用導(dǎo)波管或旁通管測量。無錫高溫PFA仿結(jié)晶雷達(dá)料位計找哪家</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2564541.html</p></div></div></div></div></div><div id="od8zzg7" class="page-right twoColRt"><div id="rvxzopr" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="3cuw87a" 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(qiáng) 信息推薦自業(yè)物資供應(yīng)" 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