湖北耐腐蝕熱電偶保護(hù)管批發(fā) 鄒平奧翔硅碳供應(yīng)-b2b網(wǎng)站_b2b電子商務(wù)平臺(tái)【買產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content=" 材料除具備普通熱電偶要求的氣密性、機(jī)械強(qiáng)度、穩(wěn)定性及導(dǎo)熱性外，還要求：（1）耐高溫：在熱電偶溫度測量上限使用，不產(chǎn)生變質(zhì)和變形，在高溫下抗氧化性能好。（2）熱強(qiáng)性：在熱電偶使用溫度下不軟化。（"><meta name="keywords" content="湖北耐腐蝕熱電偶保護(hù)管批發(fā)"><link rel="canonical" href="http://www.cdcfah.com/"/><meta name="applicable-device" content="pc"><link rel="shortcut icon" href="/static/new_net_01/images/favicon.ico"><link rel="stylesheet" href="/static/new_net_01/css/slick.css" /><link rel="stylesheet" href="/static/new_net_01/css/addnew.css"><link rel="stylesheet" href="/static/new_net_01/css/sidenav.css"><link rel="stylesheet" href="/static/new_net_01/css/style.css" /><link rel="stylesheet" href="/static/new_net_01/css/tab.css"><link rel="stylesheet" href="/static/new_net_01/css/404.css"> <meta name="baidu-site-verification" content="OBVzrC9aaQ" /> <meta http-equiv="Cache-Control" content="no-transform" /> <meta 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class="container clearfix tcPro"><section class="home-main container clearfix"><div id="3toxlui" class="twoCol"><div id="bjbyvh2" 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_drsb/">電熱設(shè)備</a>?<a href="http://www.cdcfah.com/cp/third-drsb_redianou/">熱電偶</a>?湖北耐腐蝕熱電偶保護(hù)管批發(fā) 鄒平奧翔硅碳供應(yīng)</p><div id="ra8e2ja" class="leftbox clearfix"><h1>湖北耐腐蝕熱電偶保護(hù)管批發(fā) 鄒平奧翔硅碳供應(yīng)</h1><div id="lkzgy3n" class="proBig"><div id="bfhdahw" class="bigimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/2019/7/27/16/636998420293702687_zbwuzi_6322049.JPG" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="edpm8xt" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/2019/7/27/16/636998420293702687_zbwuzi_6322049.JPG" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="etl2yj2" 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>湖北耐腐蝕熱電偶保護(hù)管批發(fā)</p><p><span>***更新：</span>2020-05-26 16:27:58</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="qykw78c" 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="erokwxw" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="nmjvnzw" class="box"><p><p> 材料除具備普通熱電偶要求的氣密性、機(jī)械強(qiáng)度、穩(wěn)定性及導(dǎo)熱性外，還要求：（1）耐高溫：在熱電偶溫度測量上限使用，不產(chǎn)生變質(zhì)和變形，在高溫下抗氧化性能好。（2）熱強(qiáng)性：在熱電偶使用溫度下不軟化。（3）耐蝕性：當(dāng)熱電偶保護(hù)套管必須浸入熔融金屬、玻璃、熔鹽及腐蝕性氣體中時(shí)，應(yīng)具有對(duì)這些介質(zhì)的耐蝕性。（4）一定的耐溫度劇變的性能，抗熱震的綜合性能，熱導(dǎo)高，熱膨脹小。工業(yè)常用熱電偶的外形結(jié)構(gòu)基本有以下幾種。1、普通型熱電偶。普通型熱電偶主要由熱電極、絕緣管，湖北耐腐蝕熱電偶保護(hù)管批發(fā)、保護(hù)套管、接線盒、接線端子組成。在普通型熱電偶中，絕緣管用于防止兩根熱電極短路，其材質(zhì)取決于測溫范圍。保護(hù)套管的作用是保護(hù)熱電極不受化學(xué)腐蝕和機(jī)械損傷，其材質(zhì)要求耐高溫、耐腐蝕、不透氣和具有較高的導(dǎo)熱系數(shù)等。不過。熱電偶加上保護(hù)套管后，其動(dòng)態(tài)響應(yīng)變慢，因此要使用時(shí)間常數(shù)小的熱電偶保護(hù)套管。接線盒主要供熱電偶參比端與補(bǔ)償導(dǎo)線連接用。2，湖北耐腐蝕熱電偶保護(hù)管批發(fā)、鎧裝熱電偶，湖北耐腐蝕熱電偶保護(hù)管批發(fā)。用金屬套管、陶瓷絕緣材料和熱電極組合加工而成，外徑在2~5mm之間，偶絲與管壁間充填氧化鎂絕緣。鎧裝熱電偶具有能彎曲、耐高壓、熱響應(yīng)時(shí)間快和堅(jiān)固耐用等優(yōu)點(diǎn)，可適應(yīng)復(fù)雜結(jié)構(gòu)的安裝要求，如在彎曲處的測量。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="湖北耐腐蝕熱電偶保護(hù)管批發(fā)" src="http://tyunfile.71360.com/UpLoadFile/2019/7/27/16/636998420293702687_zbwuzi_6322049.JPG"></div><p style="text-indent:25px">熱電偶測溫時(shí)，存在著復(fù)雜的熱交換過程。由于溫度的多次傳遞，測量端的溫度并不與被測介質(zhì)溫度完全一致，因此產(chǎn)生測量誤差?？朔椒ㄓ袃煞N：一是確定傳遞誤差的大小，進(jìn)行修正。二是采取措施，使傳熱誤差減小到允許范圍內(nèi)。輻射誤差解決方法：在管壁外面敷設(shè)絕熱層，減小管壁與被測介質(zhì)的溫差。減小保護(hù)管的外徑以及保護(hù)管、熱電極的黑度(輻射)系數(shù)。在熱電偶管壁間加裝防輻射罩，以減小之間的直接輻射。增加被測介質(zhì)流經(jīng)熱電偶測量端的流速，增加對(duì)流傳熱。安裝不正確引入的誤差：熱電偶的安裝是否正確合理，對(duì)測量結(jié)果有著重要影響。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="湖北耐腐蝕熱電偶保護(hù)管批發(fā)" src="https://tyunfile.71360.com/UploadFile/zbwuzi/637238610542988281/9314741.jpg"></div><p> 因此熱電偶保護(hù)管和爐壁孔之間的空隙應(yīng)用耐火泥或石棉繩等絕熱物質(zhì)堵塞以免冷熱空氣對(duì)流而影響測溫的準(zhǔn)確性；熱電偶冷端太靠近爐體使溫度超過100℃；熱電偶的安裝應(yīng)盡可能避開強(qiáng)磁場和強(qiáng)電場，所以不應(yīng)把熱電偶和動(dòng)力電纜線裝在同一根導(dǎo)管內(nèi)以免引入干擾造成誤差；熱電偶不能安裝在被測介質(zhì)很少流動(dòng)的區(qū)域內(nèi)，當(dāng)用熱電偶測量管內(nèi)氣體溫度時(shí)，必須使熱電偶逆著流速方向安裝，而且充分與氣體接觸。2、絕緣變差而引入的誤差如熱電偶絕緣了，保護(hù)管和拉線板污垢或鹽渣過多致使熱電偶極間與爐壁間絕緣不良，在高溫下更為嚴(yán)重，這不僅會(huì)引起熱電勢的損耗而且還會(huì)引入干擾，由此引起的誤差有時(shí)可達(dá)上百度。3、熱惰性引入的誤差由于熱電偶的熱惰性使儀表的指示值落后于被測溫度的變化，在進(jìn)行快速測量時(shí)這種影響尤為突出。所以應(yīng)盡可能采用熱電極較細(xì)、保護(hù)管直徑較小的熱電偶。測溫環(huán)境許可時(shí)，甚至可將保護(hù)管取去。由于存在測量滯后，用熱電偶檢測出的溫度波動(dòng)的振幅較爐溫波動(dòng)的振幅小。測量滯后越大，熱電偶波動(dòng)的振幅就越小，與實(shí)際爐溫的差別也就越大。當(dāng)用時(shí)間常數(shù)大的熱電偶測溫或控溫時(shí)，儀表顯示的溫度雖然波動(dòng)很小，但實(shí)際爐溫的波動(dòng)可能很大。為了準(zhǔn)確的測量溫度。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="湖北耐腐蝕熱電偶保護(hù)管批發(fā)" src="https://tyunfile.71360.com/UploadFile/zbwuzi/637238610543808594/2845025.jpg"></div></p><br /><p>文章來源地址: 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