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class="pic"><img src="https://tyunfile.71360.com/UploadFile/zbwuzi/637238610543076172/4389885.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="f8p4ceb" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/zbwuzi/637238610543076172/4389885.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="dkbt4e2" 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>四川鋼廠熱電偶保護(hù)管零售</p><p><span>***更新：</span>2020-05-30 07:04:26</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="etqx98p" 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="yszb9e8" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="v3krl88" class="box"><p><p> 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)套管材料的性能影響熱電偶長期穩(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)其套管材料的要求更加嚴(yán)格，四川鋼廠熱電偶保護(hù)管零售。隨著科技的進(jìn)步，溫度測量技術(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。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。熱電偶因其性能穩(wěn)定、準(zhǔn)確可靠、結(jié)構(gòu)簡單、使用方便、測溫范圍廣、信號(hào)可遠(yuǎn)傳等優(yōu)點(diǎn)，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。在其測溫過程中，熱電偶保護(hù)套管發(fā)揮著重要作用。套管材料性能影響熱電偶的長期穩(wěn)定性和使用壽命等各項(xiàng)性能指標(biāo)。特別是在高溫下工作的熱電偶，對(duì)其材料有更高的要求。比如鋼水連續(xù)測溫，熱電偶保護(hù)套管不但要承受高溫，四川鋼廠熱電偶保護(hù)管零售，還要受到熾熱鋼水的腐蝕和沖擊。而在循環(huán)流化床鍋爐中測溫時(shí)，不但有高溫氧化和高溫腐蝕，還有流動(dòng)性粉體的高溫沖蝕磨損，四川鋼廠熱電偶保護(hù)管零售。如此惡劣的工作環(huán)境對(duì)保護(hù)套管材料是嚴(yán)峻的考驗(yàn)，也給工程技術(shù)人員出了一道難題——如何經(jīng)濟(jì)實(shí)用的解決高溫環(huán)境下的熱電偶保護(hù)套管的失效問題。制作高溫條件下應(yīng)用的熱電偶保護(hù)套管。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="四川鋼廠熱電偶保護(hù)管零售" src="https://tyunfile.71360.com/UploadFile/zbwuzi/637238610543076172/4389885.jpg"></div><p style="text-indent:25px">　在熱電偶的技術(shù)參數(shù)里面，有兩個(gè)名詞：長期工作溫度和比較高工作溫度，詳見下列：　　1、鎳鉻-康銅熱電偶 E 長期工作溫度0-800度，比較高工作溫度0-1000度。　　2、鎳鉻-鎳硅熱電偶 K 長期工作溫度0-1000度，比較高工作溫度0-1300度。　　3、鉑銠10-鉑熱電偶 S 長期工作溫度0-1300度，比較高工作溫度0-1600度　　4、鉑銠30-鉑銠6熱電偶B 長期工作溫度0=1600度，比較高工作溫度0-1800度　　所以熱電偶使用壽命一般只考慮了高溫氧化氣氛下熱電偶電極、保護(hù)管的耐受能力，還沒有將高溫環(huán)境下各種還原性氣體、腐蝕性氣體、液體對(duì)保護(hù)管、電極的侵蝕計(jì)算在內(nèi)，而高溫腐蝕又是熱電偶的比較大克星</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="四川鋼廠熱電偶保護(hù)管零售" src="http://tyunfile.71360.com/UpLoadFile/2019/7/27/16/636998420287924804_zbwuzi_7800625.jpg"></div><p> 錐形套管比直形套管具有更高的自然頻率，因此抗流體沖擊能力和抗振能力更強(qiáng)。并且因錐形套管的前端直徑比直形套管的前端直徑更細(xì)，因此保證了更快的反應(yīng)速度。根據(jù)上述兩點(diǎn)闡述，對(duì)于套管形式，推薦選用錐形套管，且大小端直徑差不小于6mm。三、熱電偶保護(hù)管直徑的選擇：根據(jù)壓力等級(jí)的不同，套管直徑也應(yīng)合理選用，如用于中低壓場合的套管直徑可選用大小端直徑Φ25/19mm，用于高壓場合的套管直徑可選用大小端直徑Φ32/21mm等。四、熱電偶保護(hù)管安裝方式的選擇：熱電偶熱電阻套管的安裝方式有法蘭、螺紋、焊接3種。焊接式一般是根據(jù)現(xiàn)場需要而定，對(duì)于法蘭和螺紋兩種方式，推薦使用法蘭安裝，原因有以下幾點(diǎn)：·對(duì)于壓力等級(jí)較高的場合，螺紋安裝不適宜，只能用法蘭安裝。·對(duì)于腐蝕性場合，螺紋安裝易因腐蝕而無法拆卸，此時(shí)必須選擇法蘭安裝?！ぴ谠O(shè)備上使用，一般選用法蘭安裝?！?duì)于溫度高于230℃的場合，螺紋易發(fā)生高溫間隙變形，所以應(yīng)選用法蘭安裝。綜合上述幾點(diǎn)，在螺紋和法蘭之間，推薦選用法蘭安裝。 </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="四川鋼廠熱電偶保護(hù)管零售" src="http://tyunfile.71360.com/UpLoadFile/2019/7/27/16/636998420287768645_zbwuzi_2199317.jpg"></div></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/85211.html</p></div></div></div></div></div><div id="cbdf9ls" class="page-right twoColRt"><div id="xmzyiz2" class="box01 margin10 clearfix"><h3><a 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