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超聲波液位計(jì)用途：液位和料位測(cè)量是工業(yè)上經(jīng)常遇到的一個(gè)問(wèn)題，超聲測(cè)位技術(shù)有很多優(yōu)點(diǎn)，它不*能定點(diǎn)和連續(xù)測(cè)位，而且能方便的提供遙測(cè)或遙控所需的信號(hào)。與放射性測(cè)位技術(shù)相比，超聲技術(shù)不需要防護(hù)，與激光測(cè)距技術(shù)相比，它又有簡(jiǎn)單和經(jīng)濟(jì)的優(yōu)點(diǎn)，同時(shí)超聲技術(shù)一般不需要運(yùn)動(dòng)部件，黑龍江靜壓型物位計(jì)，所以在安裝和維護(hù)上又相應(yīng)比較方便。超聲波物位計(jì)可廣泛應(yīng)用于石油、礦業(yè)、發(fā)電廠、化工廠、水處理廠、污水處理站、農(nóng)業(yè)用水、環(huán)保監(jiān)測(cè)、食品（釀酒業(yè)，飲料業(yè)、添加劑、食用油、奶制品）、抗洪防汛、水文監(jiān)測(cè)、明渠、空間定位等許多行業(yè)。超聲波物位計(jì)原理：物位測(cè)量過(guò)程中，超聲波信號(hào)由超聲波探頭發(fā)出，經(jīng)液體或固體物料表面反射后折回，黑龍江靜壓型物位計(jì)，由同一個(gè)探頭接收，黑龍江靜壓型物位計(jì)，測(cè)量超聲波的整個(gè)運(yùn)行時(shí)間，從而實(shí)現(xiàn)物位的測(cè)量。聲波傳輸距離與聲速和聲傳輸時(shí)間的關(guān)系可用公式表示：超聲波物位計(jì)的算式L：超聲波探頭距所測(cè)料面距離。單位：m；v：經(jīng)溫度補(bǔ)償后的聲速值。單位：m/s；t：測(cè)量范圍內(nèi)聲波的運(yùn)行時(shí)間。雷達(dá)物位計(jì)已成為物位測(cè)量?jī)x表市場(chǎng)上的主流產(chǎn)品，主要分為雷達(dá)物位計(jì)和導(dǎo)波雷達(dá)物位計(jì)。黑龍江靜壓型物位計(jì)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="黑龍江靜壓型物位計(jì),物位計(jì)" src="https://tyunfile.71360.com/WaterMark/UploadFile/xalunqian/637333662964316406/7219292.png"></div><p> 液體、物位的測(cè)量：對(duì)于液面相對(duì)平穩(wěn)的罐體，且被測(cè)液體的介電常數(shù)較高，可以選擇普通雷達(dá)物位計(jì)。對(duì)于液面波動(dòng)大、或帶有攪拌的罐體，或被測(cè)液體的介電常數(shù)較低，應(yīng)推薦導(dǎo)波雷達(dá)。因?yàn)閷?dǎo)波管對(duì)液面有整型作用，且導(dǎo)波雷達(dá)的微波反射不易受環(huán)境條件變化的影響。被測(cè)液體的介電常數(shù)和密度變化對(duì)測(cè)量結(jié)果沒(méi)有影響。對(duì)于被測(cè)液體的粘度≥500cst，且液體粘附性較強(qiáng)的情況，不能選擇導(dǎo)波管方式測(cè)量，因?yàn)檎掣胶徒Y(jié)晶會(huì)堵死導(dǎo)波管。從而形成虛假物位?？梢赃x擇導(dǎo)波桿方式來(lái)測(cè)量。當(dāng)介質(zhì)在探頭上的涂污對(duì)測(cè)量物位的影響可分為兩種：膜狀涂污和橋接。膜狀涂污是在物位降低時(shí)，高粘液體或輕油漿在探頭上形成的一種覆蓋層。由于這種涂污在探頭上涂層均勻，因此對(duì)測(cè)量基本無(wú)影響；但橋接性涂污的形成卻能導(dǎo)致明顯的測(cè)量誤差，當(dāng)塊狀或條狀介質(zhì)污垢粘結(jié)于波導(dǎo)體上或橋接于兩個(gè)波導(dǎo)體之間時(shí)，就會(huì)在該點(diǎn)測(cè)得虛假物位。西安無(wú)線雷達(dá)物位計(jì)音叉物位計(jì)不受泡沫、渦流、氣體的影響，適用于各種料倉(cāng)固體物料料位以及各種容器內(nèi)液位的定點(diǎn)報(bào)警或控制。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="黑龍江靜壓型物位計(jì),物位計(jì)" src="https://tyunfile.71360.com/WaterMark/UploadFile/xalunqian/637333661584121094/4334047.png"></div><p> 雷達(dá)物位計(jì)使用的注意事項(xiàng)介電常數(shù)的影響： </p> <p> 低介電常數(shù)和變介電常數(shù)的被測(cè)介質(zhì)，推薦導(dǎo)波雷達(dá)。低介電常數(shù)液體介質(zhì)反射信號(hào)弱，信號(hào)衰減嚴(yán)重，物位波動(dòng)和泡沫散射引起信號(hào)減弱，罐內(nèi)障礙物反射引起虛假信號(hào)，為此就需要發(fā)射較強(qiáng)的電磁波信號(hào)，并采用功能強(qiáng)的微處理器進(jìn)行復(fù)雜的信號(hào)處理。這就使得常規(guī)交流供電雷達(dá)物位計(jì)價(jià)格非常昂貴，但仍難以較好的解決在上述條件下的物位測(cè)量問(wèn)題。導(dǎo)波雷達(dá)和常規(guī)雷達(dá)一樣，采用傳輸時(shí)間來(lái)測(cè)量介質(zhì)物位，信號(hào)自烴類[介電常數(shù)2~3]液體表面或自水[介電常數(shù)80]面反射回傳的時(shí)間一樣的，不同的只是信號(hào)幅度[強(qiáng)度]的差別。普通雷達(dá)須考慮介質(zhì)的影響，比較難辯識(shí)返回的各種信號(hào)，從雜散信號(hào)中檢出真正的物位信號(hào)，而導(dǎo)波雷達(dá)*需測(cè)量電磁波的傳輸時(shí)間即可，無(wú)需信號(hào)的處理和辨別。 </p><p> 超聲波物位計(jì)技術(shù)特點(diǎn)：1.具有強(qiáng)勁發(fā)射力的換能器，表面可自清潔，利用更新的換能器結(jié)構(gòu)和制造工藝，明顯提高了換能器的工作性能。2.微處理器程序控制、智能信號(hào)處理技術(shù)，可實(shí)現(xiàn)多種典型工況軟件處理模式，使物位計(jì)能適應(yīng)固體、液體、粉塵等復(fù)雜工況。3.紅外線遙控編程調(diào)節(jié)，操作簡(jiǎn)單可靠，并帶有液晶現(xiàn)場(chǎng)顯示。4.非接觸式連續(xù)測(cè)量，減少維護(hù);5.可用于測(cè)量物位、空間、距離，也可對(duì)標(biāo)準(zhǔn)或特別開關(guān)的液罐進(jìn)行自動(dòng)液位-體積轉(zhuǎn)換;6.帶背光的液晶顯示器，可按標(biāo)準(zhǔn)工程單位進(jìn)行顯示。超聲波物位計(jì):用于液體和顆粒狀固體等物位的監(jiān)控。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="黑龍江靜壓型物位計(jì),物位計(jì)" src="https://tyunfile.71360.com/WaterMark/UploadFile/xalunqian/637333662371201172/8473471.png"></div><p style="text-indent:25px">在工業(yè)生產(chǎn)中，很多地方都應(yīng)用了雷達(dá)液位計(jì)，如蒸吸碳化工段表白桶、熱母液桶、冷母液桶、出堿液緩和chongtu槽，鹽水利工程段的苛化液罐、堿液槽、表白桶、粗鹽水槽；煅燒工段的形成晶體器等，這些個(gè)器皿中有的易形成晶體、帶拌和；有的易揮發(fā)、腐蝕、撩動(dòng)大、流動(dòng)快；還有的溫度高、漿狀有泡沫、水氣。很顯然，接觸式儀表難于達(dá)到要求，以前認(rèn)為合適而使用過(guò)差壓變送器，均未獲得成功。而使用了DEC雷達(dá)液位計(jì)后，該雷達(dá)接收天線認(rèn)為合適而使用6〞喇叭口接收天線，23°的波束角，26GHz的微波頻率。有點(diǎn)易形成晶體的媒介，可認(rèn)為合適而使用蒸汽反吹。全部的這些個(gè)已成功應(yīng)用在出產(chǎn)中，并獲得了美好的效果。非接觸式微波物位計(jì)常用喇叭或桿式天線來(lái)發(fā)射與接收微波，儀表安裝在料倉(cāng)頂部，不與被測(cè)介質(zhì)接觸。黑龍江靜壓型物位計(jì)</p><p style="text-indent:25px">3D物位掃描儀是采用三個(gè)天線陣列傳輸?shù)皖l脈沖，并接收從筒倉(cāng)或儲(chǔ)存容器內(nèi)物料返回的脈沖波。黑龍江靜壓型物位計(jì)</p><p style="text-indent:25px">由于在重大工程、工業(yè)裝備和質(zhì)量保證、基礎(chǔ)科研中，儀器儀表都是必不可少的基礎(chǔ)技術(shù)和裝備重點(diǎn)，除傳統(tǒng)領(lǐng)域的需求外，新興的智能制造、離散自動(dòng)化、生命科學(xué)、新能源、海洋工程、軌道交通等領(lǐng)域也會(huì)產(chǎn)生巨大需求。儀器儀表在工業(yè)生產(chǎn)過(guò)程中扮演著重要的角色，用到各種各樣的儀器儀表，如雷達(dá)料位計(jì)，雷達(dá)物位計(jì)，壓力變送器，溫度變送器等為工業(yè)的檢驗(yàn)、測(cè)量和計(jì)量提供技術(shù)支撐。目前我國(guó)智能儀器儀表銷售：網(wǎng)絡(luò)設(shè)備銷售；安防設(shè)備銷售；閥門和旋塞銷售；計(jì)算機(jī)軟及軸助設(shè)備零售；環(huán)境監(jiān)測(cè)**儀器銷售；電氣設(shè)備銷售；機(jī)械設(shè)備銷售；電子元器件與機(jī)電組件設(shè)備銷售；電子產(chǎn)品銷售；終端計(jì)量設(shè)備銷售；終端測(cè)試設(shè)備銷售；供應(yīng)用儀器儀表銷售；電子**設(shè)備銷售；技術(shù)開發(fā)；普通機(jī)械設(shè)備安裝服務(wù)；智能儀器儀表制造：儀器儀表修理；儀器儀表制造；環(huán)境監(jiān)測(cè)**儀器儀表制造；其他通用儀器制造；電子測(cè)量?jī)x器化工。產(chǎn)品，主要集中在中低檔市場(chǎng)，而市場(chǎng)則主要被國(guó)外品牌所占據(jù)。在某些領(lǐng)域，國(guó)產(chǎn)產(chǎn)品甚至是空白，這就需要未來(lái)我國(guó)儀器儀表向市場(chǎng)進(jìn)軍，擴(kuò)大產(chǎn)品占比。盡管在我國(guó)相關(guān)政策的引導(dǎo)和支持下，我國(guó)儀器儀表行業(yè)得到了飛速發(fā)展。但是從加工整體上看，我國(guó)的儀器儀表行業(yè)還是落后于國(guó)際水平的。重點(diǎn)技術(shù)缺乏、高精尖產(chǎn)品嚴(yán)重依賴進(jìn)口、儀器儀表產(chǎn)品同質(zhì)化嚴(yán)重、生產(chǎn)工藝落后、研發(fā)能力弱、精度不高等問(wèn)題的凸顯，為儀器儀表行業(yè)的發(fā)展帶來(lái)了嚴(yán)峻的挑戰(zhàn)。黑龍江靜壓型物位計(jì)</p></p><br 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