氮化硅熱電偶保護(hù)管廠鄒平奧翔硅碳供應(yīng)-b2b網(wǎng)站_b2b電子商務(wù)平臺(tái)【買(mǎi)產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content="熱電偶的種類(lèi)及結(jié)構(gòu)形成（1）熱電偶的種類(lèi)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(lèi)。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(shì)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)"><meta name="keywords" content="氮化硅熱電偶保護(hù)管廠"><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 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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>氮化硅熱電偶保護(hù)管廠</p><p><span>***更新：</span>2020-06-17 23:19:23</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="3ikrdpb" 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="utxelsu" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="32eypw7" class="box"><p><p style="text-indent:25px">熱電偶的種類(lèi)及結(jié)構(gòu)形成（1）熱電偶的種類(lèi) 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(lèi)。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(shì)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(jí)上均不及標(biāo)準(zhǔn) 化熱電偶，一般也沒(méi)有統(tǒng)一的分度表，主要用于某些特殊場(chǎng)合的測(cè)量。標(biāo)準(zhǔn)化熱電偶我國(guó)從1988年1月1日起，氮化硅熱電偶保護(hù)管廠，熱電偶和熱電阻全部按IEC國(guó)際標(biāo)準(zhǔn)生產(chǎn)，并指定S、B，氮化硅熱電偶保護(hù)管廠，氮化硅熱電偶保護(hù)管廠、E、K、R、J、T七種標(biāo)準(zhǔn)化熱電偶為我國(guó)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(duì)它的結(jié)構(gòu)要求如下： ① 組成熱電偶的兩個(gè)熱電極的焊接必須牢固； ② 兩個(gè)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="氮化硅熱電偶保護(hù)管廠" src="https://tyunfile.71360.com/UploadFile/zbwuzi/637238610542988281/9314741.jpg"></div><p> 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。熱電偶產(chǎn)品用途：沸騰爐、循環(huán)流化床鍋爐、水泥回轉(zhuǎn)窯窯尾煙室、球磨機(jī)、風(fēng)扇磨、磨煤機(jī)等出口及管道測(cè)溫用。熱電偶保護(hù)管的特性：該產(chǎn)品采用金屬陶瓷復(fù)合涂層技術(shù)，用超音速熱噴涂工藝，在套管表面噴涂一層金屬陶瓷。該涂層具有耐磨損、耐高溫、耐腐蝕等多種特殊性能，采用材料表面涂層技術(shù)解決工件的高溫腐蝕、磨損問(wèn)題，該類(lèi)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(lái)制作復(fù)合材料，而是將不同的材料組合起來(lái)發(fā)揮各自的特點(diǎn)。熱電偶保護(hù)管在安裝的注意事項(xiàng)1、安裝的位置。熱電偶的安裝應(yīng)盡可能靠近欲測(cè)的溫度控制點(diǎn)，使其測(cè)量端與被測(cè)介質(zhì)充分接觸，遠(yuǎn)離強(qiáng)磁場(chǎng)和強(qiáng)電場(chǎng)。2、插入的深度。熱電偶安裝時(shí)，應(yīng)將其浸入被測(cè)介質(zhì)之中，并有一定的浸入深度。3、熱輻射作用。在熱電偶附近如果存在與其具有一定溫差的很大物體時(shí)，熱電偶將接受輻射能。3、熱輻射作用。在熱電偶附近如果存在與其具有一定溫差的很大物體時(shí)，熱電偶將接受輻射能。熱電偶保護(hù)管按其材質(zhì)分類(lèi)：1、金屬：機(jī)械強(qiáng)度高、導(dǎo)熱性能好、應(yīng)用非常普遍。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="氮化硅熱電偶保護(hù)管廠" src="https://tyunfile.71360.com/UploadFile/zbwuzi/637238610542988281/7120477.jpg"></div><p> 只與組成熱電偶的導(dǎo)體材料和兩接點(diǎn)的溫度有關(guān)，而與熱電偶的形狀尺寸無(wú)關(guān)。當(dāng)熱電偶兩電極材料固定后，熱電動(dòng)勢(shì)便是兩接點(diǎn)溫度t和t0。的函數(shù)差。熱電偶測(cè)溫的基本原理是兩種不同成份的材質(zhì)導(dǎo)體組成閉合回路，當(dāng)兩端存在溫度梯度時(shí)，回路中就會(huì)有電流通過(guò)，此時(shí)兩端之間就存在電動(dòng)勢(shì)——熱電動(dòng)勢(shì)，這就是所謂的塞貝克效應(yīng)(Seebeckeffect）。兩種不同成份的均質(zhì)導(dǎo)體為熱電極，溫度較高的一端為工作端，溫度較低的一端為自由端，自由端通常處于某個(gè)恒定的溫度下。根據(jù)熱電動(dòng)勢(shì)與溫度的函數(shù)關(guān)系，制成熱電偶分度表；分度表是自由端溫度在0℃時(shí)的條件下得到的，不同的熱電偶具有不同的分度表。在熱電偶回路中接入第三種金屬材料時(shí)，只要該材料兩個(gè)接點(diǎn)的溫度相同，熱電偶所產(chǎn)生的熱電勢(shì)將保持不變，即不受第三種金屬接入回路中的影響。因此，在熱電偶測(cè)溫時(shí)，可接入測(cè)量?jī)x表，測(cè)得熱電動(dòng)勢(shì)后，即可知道被測(cè)介質(zhì)的溫度。熱電偶測(cè)量溫度時(shí)要求其冷端（測(cè)量端為熱端，通過(guò)引線與測(cè)量電路連接的端稱(chēng)為冷端）的溫度保持不變，其熱電勢(shì)大小才與測(cè)量溫度呈一定的比例關(guān)系。若測(cè)量時(shí)，冷端的（環(huán)境）溫度變化，將嚴(yán)重影響測(cè)量的準(zhǔn)確性。</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/294824.html</p></div></div></div></div></div><div id="mqxzw29" class="page-right twoColRt"><div id="iholiug" class="box01 margin10 clearfix"><h3><a 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