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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>?浙江鑄造熱電偶保護(hù)管零售鄒平奧翔硅碳供應(yīng)</p><div id="smolnpq" class="leftbox clearfix"><h1>浙江鑄造熱電偶保護(hù)管零售鄒平奧翔硅碳供應(yīng)</h1><div id="aoqsulc" class="proBig"><div id="dsugne8" class="bigimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/2019/7/27/16/636998420287924804_zbwuzi_7800625.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="g7fxuwn" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/2019/7/27/16/636998420287924804_zbwuzi_7800625.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="lyvxuld" 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>浙江鑄造熱電偶保護(hù)管零售</p><p><span>***更新：</span>2020-05-24 08:23:32</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="quw8ea2" 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="pryv3wd" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="nlsea7f" class="box"><p><p style="text-indent:25px">熱電偶材料不均勻性引起的誤差：此誤差和材料不均勻程度有關(guān)溫度變化越大，使熱電極各點(diǎn)溫度的差值越大，浙江鑄造熱電偶保護(hù)管零售，則材料不均勻性的影響也就越大。解決方法：可用退火的方法把它減弱，浙江鑄造熱電偶保護(hù)管零售，但無法完全消除，浙江鑄造熱電偶保護(hù)管零售。測量儀表的誤差：該誤差的大小是由儀表的精度等級決定的。解決方法：應(yīng)定期檢定效準(zhǔn)，保證儀表的精確度等級。動態(tài)誤差：溫度變化后，測溫儀表來不及立即指出變化了的溫度，因而引起讀數(shù)誤差。熱電偶時間常數(shù)的大小是決定動態(tài)誤差大小的主要因素。解決方法：對于快送變化的溫度，由于測溫元件的熱憜性，動態(tài)誤差可能很大，必須采用小慣熱電偶或選取采樣數(shù)率較高的儀表解決。采用導(dǎo)熱性能好的材料做保護(hù)管，管壁要薄，內(nèi)徑要小。減小保護(hù)管與熱電偶測量端之間的空氣間隙。增加測量端介質(zhì)的流速，加快對流傳熱。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="浙江鑄造熱電偶保護(hù)管零售" src="http://tyunfile.71360.com/UpLoadFile/2019/7/27/16/636998420287924804_zbwuzi_7800625.jpg"></div><p style="text-indent:25px">熱電偶的種類及結(jié)構(gòu)形成（1）熱電偶的種類常用熱電偶可分為標(biāo)準(zhǔn)熱電偶和非標(biāo)準(zhǔn)熱電偶兩大類。所調(diào)用標(biāo)準(zhǔn)熱電偶是指標(biāo)準(zhǔn)規(guī)定了其熱電勢與溫度的關(guān)系、允許誤差、并有統(tǒng)一的標(biāo)準(zhǔn)分度表的熱電偶，它有與其配套的顯示儀表可供選用。非標(biāo)準(zhǔn)化熱電偶在使用范圍或數(shù)量級上均不及標(biāo)準(zhǔn) 化熱電偶，一般也沒有統(tǒng)一的分度表，主要用于某些特殊場合的測量。標(biāo)準(zhǔn)化熱電偶我國從1988年1月1日起，熱電偶和熱電阻全部按IEC國際標(biāo)準(zhǔn)生產(chǎn)，并指定S、B、E、K、R、J、T七種標(biāo)準(zhǔn)化熱電偶為我國統(tǒng)一設(shè)計(jì)型熱電偶。 (2)熱電偶的結(jié)構(gòu)形式為了保證熱電偶可靠、穩(wěn)定地工作，對它的結(jié)構(gòu)要求如下： ① 組成熱電偶的兩個熱電極的焊接必須牢固； ② 兩個熱電極彼此之間應(yīng)很好地絕緣，以防短路； ③ 補(bǔ)償導(dǎo)線與熱電偶自由端的連接要方便可靠； ④ 保護(hù)套管應(yīng)能保證熱電極與有害介質(zhì)充分隔離。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="浙江鑄造熱電偶保護(hù)管零售" src="http://tyunfile.71360.com/UpLoadFile/2019/7/27/16/636998420293702687_zbwuzi_6322049.JPG"></div><p> 一般都應(yīng)將其測量端插入到管道中心處（垂直安裝或傾斜安裝）.如被測流體的管道直徑是200毫米，那熱電偶或熱電阻插入深度應(yīng)選擇100毫米；對于高溫高壓和高速流體的溫度測量（如主蒸汽溫度），為了減小保護(hù)套對流體的阻力和防止保護(hù)套在流體作用下發(fā)生斷裂，可采取保護(hù)管淺插方式或采用熱套式熱電偶，淺插式的熱電偶保護(hù)套管，其插入主蒸汽管道的深度應(yīng)不小于75mm；熱套式熱電偶的標(biāo)準(zhǔn)插入深度為100mm；假如需要測量是煙道內(nèi)煙氣的溫度，盡管煙道直徑為4m，熱電偶或熱電阻插入深度1m即可；當(dāng)測量原件插入深度超過1m時，應(yīng)盡可能垂直安裝，或加裝支撐架和保護(hù)套管。正確使用熱電偶不但可以準(zhǔn)確得到溫度的數(shù)值，保證產(chǎn)品合格，而且還可節(jié)省熱電偶的材料消耗，既節(jié)省資金又能保證產(chǎn)品質(zhì)量。安裝不正確，熱導(dǎo)率和時間滯后等誤差，它們是熱電偶在使用中的主要誤差。1、安裝不當(dāng)引入的誤差如熱電偶安裝的位置及插入深度不能反映爐膛的真實(shí)溫度等，換句話說，熱電偶不應(yīng)裝在太靠近門和加熱的地方，插入的深度至少應(yīng)為保護(hù)管直徑的8～10倍；熱電偶的保護(hù)套管與壁間的間隔未填絕熱物質(zhì)致使?fàn)t內(nèi)熱溢出或冷空氣侵入。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="浙江鑄造熱電偶保護(hù)管零售" src="https://tyunfile.71360.com/UploadFile/zbwuzi/637238610542988281/9314741.jpg"></div></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/25095.html</p></div></div></div></div></div><div id="vnpmosj" class="page-right twoColRt"><div 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