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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_drsb/">電熱設(shè)備</a>?<a href="http://www.cdcfah.com/cp/third-drsb_redianou/">熱電偶</a>?安徽鋁廠熱電偶保護(hù)管公司鄒平奧翔硅碳供應(yīng)</p><div id="wltvczg" class="leftbox clearfix"><h1>安徽鋁廠熱電偶保護(hù)管公司鄒平奧翔硅碳供應(yīng)</h1><div id="7ysubsz" class="proBig"><div id="dbdv2gn" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/zbwuzi/637238610543115234/5363422.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="odaswc2" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/zbwuzi/637238610543115234/5363422.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="enkhjqx" 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>山東省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>安徽鋁廠熱電偶保護(hù)管公司</p><p><span>***更新：</span>2020-05-24 07:22:45</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="3mo3d3d" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">鄒平縣奧翔硅碳制品有限公司</a></p><p><span>聯(lián)系人：</span>張洪恩</p><p><span>郵箱: </span>13884861614@163.com</p><p><span>電話: </span>13884861614</p><p><span>傳真: </span>0543_4534117</p><p><span>網(wǎng)址: </span></p><p><span>手機(jī): </span>0543-4533667</p><p><span>地址: </span>山東省鄒平市臨池鎮(zhèn)望京村</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="qkcelx3" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="tx73v4j" class="box"><p><p> 多點(diǎn)式熱電偶。多支不同長(zhǎng)度的熱電偶感溫元件，用多孔的絕緣管組裝而成。適合于化工生產(chǎn)中反應(yīng)器不同高度的幾何溫度測(cè)量，如合成塔不同位置的溫度。隔爆型熱電偶。隔爆型熱電偶基本參數(shù)與普通型熱電偶一樣，區(qū)別在于采用了防爆結(jié)構(gòu)的接線盒。當(dāng)生產(chǎn)現(xiàn)場(chǎng)存在易燃易爆氣體的條件下必須使用隔爆型熱電偶。表面型熱電偶。表面型熱電偶是利用真空鍍膜法將兩電極材料蒸鍍?cè)诮^緣基底上的薄膜熱電偶，專門用于測(cè)量各種形狀的固體表面溫度，如測(cè)量軸承、軋錕等表面溫度、測(cè)量設(shè)備或高壓容器的表面溫度等。反應(yīng)速度極快，安徽鋁廠熱電偶保護(hù)管公司，熱慣性極小，安徽鋁廠熱電偶保護(hù)管公司，可作為一種便攜式測(cè)溫計(jì)。此外還有一些特殊場(chǎng)合用熱電偶，如耐磨熱電偶、適用于流化床中測(cè)量床層溫度，安徽鋁廠熱電偶保護(hù)管公司，能經(jīng)受催化劑的沖刷、摩擦。在超高溫（大于2000℃）場(chǎng)合可選用碳-碳化硅熱電偶（比較高測(cè)溫可達(dá)2700℃）和鎢鋅熱電偶（比較高測(cè)溫可達(dá)2800℃）。在**溫（低于-200℃以下）場(chǎng)合可選金鈦-鎳鉻熱電偶-金鐵熱電偶，這種電偶低溫穩(wěn)定性好，靈敏度高，比較低測(cè)溫可達(dá)-271℃，主要用于宇航及超導(dǎo)等**溫過程。熱電偶直接測(cè)量溫度，并把溫度信號(hào)轉(zhuǎn)換成熱電動(dòng)勢(shì)信號(hào)，通過電氣儀表（二次儀表）轉(zhuǎn)換成被測(cè)介質(zhì)的溫度。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="安徽鋁廠熱電偶保護(hù)管公司" src="https://tyunfile.71360.com/UploadFile/zbwuzi/637238610543115234/5363422.jpg"></div><p> 應(yīng)當(dāng)選擇時(shí)間常數(shù)小的熱電偶。時(shí)間常數(shù)與傳熱系數(shù)成反比，與熱電偶熱端的直徑、材料的密度及比熱成正比，如要減小時(shí)間常數(shù)，除增加傳熱系數(shù)以外，的辦法是盡量減小熱端的尺寸。使用中，通常采用導(dǎo)熱性能好的材料，管壁薄、內(nèi)徑小的保護(hù)套管。在較精密的溫度測(cè)量中，使用無保護(hù)套管的裸絲熱電偶，但熱電偶容易損壞，應(yīng)及時(shí)校正及更換。熱阻誤差高溫時(shí)，如保護(hù)管上有一層煤灰，塵埃附在上面，則熱阻增加，阻礙熱的傳導(dǎo)，這時(shí)溫度示值比被測(cè)溫度的真值低。因此，應(yīng)保持熱電偶保護(hù)管外部的清潔，以減小誤差。熱電偶在工業(yè)生產(chǎn)和科學(xué)研究等領(lǐng)域中已成為應(yīng)用**普遍的感溫元件。熱電偶保護(hù)管材料的性能影響熱電偶長(zhǎng)期穩(wěn)定性、使用壽命等各項(xiàng)性能指標(biāo)。在高溫下工作的熱電偶，對(duì)其套管材料有更嚴(yán)格的要求。本文綜述了高溫?zé)犭娕急Ｗo(hù)套管材料的性能、分類及應(yīng)用，闡述了高溫熔體和高溫流動(dòng)粉體溫度測(cè)量的難點(diǎn)和研究現(xiàn)狀。隨著科技的進(jìn)步，溫度測(cè)量技術(shù)得到迅速發(fā)展，已形成從點(diǎn)到線、由線到面；由表及里；從有線到無線的發(fā)展趨勢(shì)。在接觸式與非接觸式兩大類產(chǎn)品中，量大面廣的接觸式熱電偶在現(xiàn)代技術(shù)發(fā)展中得到了快速的發(fā)展。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="安徽鋁廠熱電偶保護(hù)管公司" src="http://tyunfile.71360.com/UpLoadFile/2019/7/27/16/636998420287924804_zbwuzi_4882160.JPG"></div><p> 另外對(duì)表2常用非金屬保護(hù)套管材料于一些用高溫耐磨材料制造的保護(hù)套管，適合于在沸騰爐、循環(huán)流化床鍋爐、水泥回轉(zhuǎn)窯窯尾室測(cè)溫?zé)犭娕迹蚰C(jī)、風(fēng)扇磨、磨煤機(jī)等出口及管道測(cè)溫的地方使用。常用的金屬陶瓷保護(hù)套管材料如表3所示。[1]常用金屬陶瓷保護(hù)套管性能表復(fù)合涂層表面涂層技術(shù)能賦予零件表面耐磨損、耐高溫、耐腐蝕、抗氧化等多種特殊性能，是提高產(chǎn)品質(zhì)量、節(jié)約能源和資源、獲得明顯經(jīng)濟(jì)效益的一種新的表面技術(shù)。采用材料表面涂層技術(shù)解決工件的高溫腐蝕、磨損問題是國(guó)際上的流行趨勢(shì)。該類技術(shù)發(fā)揮了表面技術(shù)的優(yōu)勢(shì)，不是將不同的材料混合起來制作復(fù)合材料，而是將不同的材料組合起來發(fā)揮各自的特點(diǎn)，獲得優(yōu)異的性能。鋼鐵行業(yè)的熱風(fēng)爐主要用于給冶煉過程提供熱風(fēng)，拱頂測(cè)溫?zé)犭娕急Ｗo(hù)套管長(zhǎng)期運(yùn)行于1200～1280℃高溫，比較高使用溫度達(dá)1300℃以上，并且在運(yùn)行過程中伴隨高速氣流強(qiáng)振動(dòng)及燃燒中產(chǎn)生的硫、磷等化合物顆粒；在煤化工領(lǐng)域的氣化爐的測(cè)溫保護(hù)套管則長(zhǎng)期運(yùn)行在1400℃以上，這類工業(yè)環(huán)境都對(duì)保護(hù)管材料的高溫性能提出了極為苛刻要求。 </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="安徽鋁廠熱電偶保護(hù)管公司" src="https://tyunfile.71360.com/UploadFile/zbwuzi/637238610543105469/7193037.jpg"></div></p><br /><p>文章來源地址: 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