重慶熱電偶保護管鄒平奧翔硅碳供應-b2b網(wǎng)站_b2b電子商務平臺【買產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content="熱電偶是工業(yè)上**常用的溫度檢測元件之一。其優(yōu)點是：①測量精度高。因熱電偶直接與被測對象接觸，不受中間介質(zhì)的影響。②測量范圍廣。常用的熱電偶從-50~+1600℃均可邊續(xù)測量，某些特殊熱電偶比較低可測到-269℃（如金鐵鎳鉻），重慶熱電偶保護"><meta name="keywords" content="重慶熱電偶保護管,熱電偶保護管"><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 http-equiv="Cache-Control" 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src="http://tyunfile.71360.com/UpLoadFile/2019/7/27/16/636998420287924804_zbwuzi_4882160.JPG" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="v32viub" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/2019/7/27/16/636998420287924804_zbwuzi_4882160.JPG" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="rwi7f2o" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價格要求：</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>重慶熱電偶保護管,熱電偶保護管</p><p><span>***更新：</span>2020-09-07 14:03:25</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="ztac3ya" 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: </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="fe3tkr2" class="page-proshow02"><p class="title">詳細說明</p><div id="znubne8" class="box"><p><p style="text-indent:25px">熱電偶是工業(yè)上**常用的溫度檢測元件之一。其優(yōu)點是： ①測量精度高。因熱電偶直接與被測對象接觸，不受中間介質(zhì)的影響。 ②測量范圍廣。常用的熱電偶從-50~+1600℃均可邊續(xù)測量，某些特殊熱電偶比較低可測到-269℃（如金鐵鎳鉻），重慶熱電偶保護管，比較高可達+2800℃（如鎢-錸）。 ③構(gòu)造簡單，使用方便。熱電偶通常是由兩種不同的金屬絲組成，而且不受大小和開頭的限制，外有保護套管，用起來非常方便。 1．熱電偶測溫基本原理將兩種不同材料的導體或半導體A和B焊接起來，構(gòu)成一個閉合回路。當導體A和B的兩個執(zhí)著點1和2之間存在溫差時，兩者之間便產(chǎn)生電動勢,因而在回路中形成一個大小的電流，重慶熱電偶保護管,這種現(xiàn)象稱為熱電效應。熱{TodayHot}電偶就是利用這一效應來工作的，重慶熱電偶保護管。奧翔硅碳具有一支經(jīng)驗豐富、技術(shù)力量過硬的專業(yè)技術(shù)人才管理團隊。重慶熱電偶保護管</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="重慶熱電偶保護管,熱電偶保護管" src="http://tyunfile.71360.com/UpLoadFile/2019/7/27/16/636998420287924804_zbwuzi_4882160.JPG"></div><p> 因此熱電偶保護管和爐壁孔之間的空隙應用耐火泥或石棉繩等絕熱物質(zhì)堵塞以免冷熱空氣對流而影響測溫的準確性；熱電偶冷端太靠近爐體使溫度超過100℃；熱電偶的安裝應盡可能避開強磁場和強電場，所以不應把熱電偶和動力電纜線裝在同一根導管內(nèi)以免引入干擾造成誤差；熱電偶不能安裝在被測介質(zhì)很少流動的區(qū)域內(nèi)，當用熱電偶測量管內(nèi)氣體溫度時，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，在高溫下更為嚴重，這不僅會引起熱電勢的損耗而且還會引入干擾，由此引起的誤差有時可達上百度。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，在進行快速測量時這種影響尤為突出。所以應盡可能采用熱電極較細、保護管直徑較小的熱電偶。測溫環(huán)境許可時，甚至可將保護管取去。由于存在測量滯后，用熱電偶檢測出的溫度波動的振幅較爐溫波動的振幅小。測量滯后越大，熱電偶波動的振幅就越小，與實際爐溫的差別也就越大。當用時間常數(shù)大的熱電偶測溫或控溫時，儀表顯示的溫度雖然波動很小，但實際爐溫的波動可能很大。為了準確的測量溫度。碳化硅熱電偶保護管廠家奧翔硅碳具備雄厚的實力和豐富的實踐經(jīng)驗。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="重慶熱電偶保護管,熱電偶保護管" src="http://tyunfile.71360.com/UpLoadFile/2019/7/27/16/636998420287768645_zbwuzi_2199317.jpg"></div><p> 另外對表2常用非金屬保護套管材料于一些用高溫耐磨材料制造的保護套管，適合于在沸騰爐、循環(huán)流化床鍋爐、水泥回轉(zhuǎn)窯窯尾室測溫熱電偶，球磨機、風扇磨、磨煤機等出口及管道測溫的地方使用。常用的金屬陶瓷保護套管材料如表3所示。[1]常用金屬陶瓷保護套管性能表復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、磨損問題是國際上的流行趨勢。該類技術(shù)發(fā)揮了表面技術(shù)的優(yōu)勢，不是將不同的材料混合起來制作復合材料，而是將不同的材料組合起來發(fā)揮各自的特點，獲得優(yōu)異的性能。鋼鐵行業(yè)的熱風爐主要用于給冶煉過程提供熱風，拱頂測溫熱電偶保護套管長期運行于1200～1280℃高溫，比較高使用溫度達1300℃以上，并且在運行過程中伴隨高速氣流強振動及燃燒中產(chǎn)生的硫、磷等化合物顆粒；在煤化工領(lǐng)域的氣化爐的測溫保護套管則長期運行在1400℃以上，這類工業(yè)環(huán)境都對保護管材料的高溫性能提出了極為苛刻要求。 </p><p style="text-indent:25px">關(guān)于熱電偶產(chǎn)品的使用壽命，相信是不少用戶關(guān)心的話題。在多年的研究里，是**不容易回答的恰恰就是這個問題!這是因為在長時間實踐任務溫度假如低于規(guī)則的長時間任務溫度，小于或到達70%，那么，運用熱電偶壽命大約在3年以上，到達或低于80%的運用壽命大約為1.5--2年，到達或低于90%的運用壽命大約為9個月—1.5年，實踐長時間任務溫度到達規(guī)則量程****的，3個月—1年，實踐長時間任務溫度到達規(guī)則比較高任務溫度的，普通不超越3個月，有的只要一天!奧翔硅碳以創(chuàng)百年企業(yè)、樹百年品牌為使命，傾力為客戶創(chuàng)造更大利益！</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="重慶熱電偶保護管,熱電偶保護管" src="https://tyunfile.71360.com/UploadFile/zbwuzi/637238610543173828/1161240.jpg"></div><p> 材料除具備普通熱電偶要求的氣密性、機械強度、穩(wěn)定性及導熱性外，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）熱強性：在熱電偶使用溫度下不軟化。（3）耐蝕性：當熱電偶保護套管必須浸入熔融金屬、玻璃、熔鹽及腐蝕性氣體中時，應具有對這些介質(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、保護套管、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。保護套管的作用是保護熱電極不受化學腐蝕和機械損傷，其材質(zhì)要求耐高溫、耐腐蝕、不透氣和具有較高的導熱系數(shù)等。不過。熱電偶加上保護套管后，其動態(tài)響應變慢，因此要使用時間常數(shù)小的熱電偶保護套管。接線盒主要供熱電偶參比端與補償導線連接用。2、鎧裝熱電偶。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、熱響應時間快和堅固耐用等優(yōu)點，可適應復雜結(jié)構(gòu)的安裝要求，如在彎曲處的測量。奧翔硅碳擁有業(yè)內(nèi)**人士和高技術(shù)人才。重慶熱電偶保護管</p><p style="text-indent:25px">選擇奧翔硅碳，就是選擇質(zhì)量、真誠和未來。重慶熱電偶保護管</p><p> 熱電偶在工業(yè)生產(chǎn)和科學研究等領(lǐng)域中已成為應用**普遍的感溫元件。熱電偶保護套管材料的性能影響熱電偶長期穩(wěn)定性、使用壽命等各項性能指標。在高溫下工作的熱電偶，對其套管材料的要求更加嚴格。隨著科技的進步，溫度測量技術(shù)得到迅速發(fā)展，已形成從點到線、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、準確可靠、結(jié)構(gòu)簡單、使用方便、測溫范圍廣、信號可遠傳等優(yōu)點，在工業(yè)生產(chǎn)和科學研究等領(lǐng)域中已成為應用**普遍的感溫元件。在其測溫過程中，熱電偶保護套管發(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性能指標。特別是在高溫下工作的熱電偶，對其材料有更高的要求。比如鋼水連續(xù)測溫，熱電偶保護套管不但要承受高溫，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，不但有高溫氧化和高溫腐蝕，還有流動性粉體的高溫沖蝕磨損。如此惡劣的工作環(huán)境對保護套管材料是嚴峻的考驗，也給工程技術(shù)人員出了一道難題——如何經(jīng)濟實用的解決高溫環(huán)境下的熱電偶保護套管的失效問題。制作高溫條件下應用的熱電偶保護套管。重慶熱電偶保護管</p><p style="text-indent:25px">鄒平縣奧翔硅碳制品有限公司是一家硅碳棒，硅碳管，熱電偶保護管。等直徑硅碳棒，U型硅碳棒，螺紋硅碳棒，碳化硅制品，碳化硅結(jié)合氮化硅，碳化硅保護管，氮化硅保護管，碳化硅窯具！硅碳棒夾具，粗端式硅碳棒。門型硅碳棒，槍型硅碳棒，升液管，輻射管的公司，致力于發(fā)展為創(chuàng)新務實、誠實可信的企業(yè)。鄒平奧翔硅碳供應作為硅碳棒，硅碳管，熱電偶保護管。等直徑硅碳棒，U型硅碳棒，螺紋硅碳棒，碳化硅制品，碳化硅結(jié)合氮化硅，碳化硅保護管，氮化硅保護管，碳化硅窯具！硅碳棒夾具，粗端式硅碳棒。門型硅碳棒，槍型硅碳棒，升液管，輻射管的企業(yè)之一，為客戶提供良好的硅碳棒廠家，碳化硅保護管，熱電偶保護管，碳化硅結(jié)合氮化硅。鄒平奧翔硅碳供應致力于把技術(shù)上的創(chuàng)新展現(xiàn)成對用戶產(chǎn)品上的貼心，為用戶帶來良好體驗。鄒平奧翔硅碳供應始終關(guān)注自身，在風云變化的時代，對自身的建設(shè)毫不懈怠，高度的專注與執(zhí)著使鄒平奧翔硅碳供應在行業(yè)的從容而自信。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/1193866.html</p></div></div></div></div></div><div id="exzbizb" class="page-right twoColRt"><div id="eqkmtvc" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="8o8htfh" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img src="http://tyunfile.71360.com/UpLoadFile/2019/11/1/14/637082168864691056_lgpj_5374157.jpg" alt="福建ZF配件哪家強信息推薦自業(yè)物資供應" class="vcenter" 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