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class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/2019/7/27/15/636998394711798789_zbwuzi_9685048.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="gk2ofm1" 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)品關鍵詞：</span>遼寧灰熔點硅碳管,硅碳管</p><p><span>***更新：</span>2020-08-24 20:02:35</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="kdhog8q" 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="hbolnpe" class="page-proshow02"><p class="title">詳細說明</p><div id="lanfcz7" class="box"><p><p style="text-indent:25px">螺紋硅碳管是一種非金屬的電熱元件，在很多的行業(yè)都有應用到，而且該產(chǎn)品在使用的過程中是會發(fā)熱的，正因如此它根據(jù)這個原理進行工作，下面就給大家介紹一下它的發(fā)熱原理：　　一、發(fā)熱原理　　1、在外加電能量作用下，電子和空穴的輻射復合發(fā)生電致發(fā)光，在PN結附近輻射出來的光還需經(jīng)過碳管本身的半導體介質(zhì)和封裝介質(zhì)才能抵達外界，比如空氣。　　2、綜合電流注入效率、輻射發(fā)光量子效率、碳管外部光取出效率等，遼寧灰熔點硅碳管，之后大概只有60-70％的能量主要以非輻射復合發(fā)生的點陣振動的形式轉化熱能。　　二、含義　　1、該產(chǎn)品是用高精度碳化硅，化學式是SIC為主要原料、經(jīng)高溫2200℃再結晶制成的非金屬電熱元件。　　2、使用中限度的高溫在1600℃，正常使用溫度1450攝氏度，連續(xù)使用壽命可達3000小時以上。　　螺紋硅碳管發(fā)熱原理很簡單，不過我們在進行使用的時候也要掌控好它的溫度，不要超過限度，否則會因為過熱而給產(chǎn)品以及人員帶來傷害，遼寧灰熔點硅碳管，除此之外，遼寧灰熔點硅碳管，定期保養(yǎng)和維護，可以很好地提高工作性能和延長使用期限。奧翔硅碳愿和各界朋友真誠合作一同開拓。遼寧灰熔點硅碳管</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="遼寧灰熔點硅碳管,硅碳管" src="http://tyunfile.71360.com/UpLoadFile/2019/7/27/15/636998394711798789_zbwuzi_9685048.jpg"></div><p> 使測定結果嚴重偏低且不穩(wěn)定，異徑管處于高溫下，又隱蔽于爐**，故斷裂處較隱蔽，感覺異常時可松開爐口的緊固螺絲，將其抽出檢查。(3)硅碳管調(diào)試時以10Ω為**佳值。其阻值過大或過小，都將造成**大加熱電流變小，其自然老化后，阻值將會變大。表現(xiàn)為升溫時間變長或升不到設定溫度：此時爐流模擬顯示燈不能達到9或10燈亮位置。處理辦法一般以更換為好，判定時可量其阻值情況。定硫儀溫度控制部分1、A．溫度一直顯示1999℃，表示熱電偶電路未通或其內(nèi)部斷路。B．溫度一直不增加，但有加熱電流，則表示熱電偶接反。C．溫度一直顯示室溫，則表示熱電偶連線短路。2、溫度值小于設定爐溫，應有加熱爐流。若爐流顯示為，表示保險管壞，硅碳管本身內(nèi)部斷路或連線未接通。3、恒溫波動太大，一般為硅碳管的原因。電阻值應為7~~8Ω，推薦選購本公司原廠配件。遼寧活性測定儀硅碳管奧翔硅碳公司地理位置優(yōu)越，擁有完善的服務體系。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="遼寧灰熔點硅碳管,硅碳管" src="http://tyunfile.71360.com/UpLoadFile/2019/7/27/15/636998394711175189_zbwuzi_7463142.jpg"></div><p> 一、灰熔點測定儀的安裝1安裝硅碳管：屬于單螺紋硅碳管。先卸下爐體兩端擋板，先把硅碳管小心推入管式爐體，然后分別在硅碳管的兩端安裝上卡子，并安裝電源導線。在把爐體兩端擋板安裝上，安裝擋板時注意給硅碳管留1~2毫米的活動空間。否則會按斷，或者升溫熱脹冷縮擠斷。把硅碳管出來的個兩個導線固定到灰熔點測定儀后面的輸出接線柱上。測量出爐體中心，把熱電偶插入到位。并接入控制器上熱電偶接線端，注意紅為正極，其他色為負極。2把灰熔點測定儀電源線接入電網(wǎng)。3打開控制器開關和爐體開關，點擊控制器上的--國標--啟動，觀察升溫正常后關閉電源。二、灰熔點測定方法與步驟1灰樣制備。利用工業(yè)分析方法中的慢灰，來加工灰樣，至少3~5克再用瑪瑙研體研磨，密封保存。2灰錐制備。5克糊精溶于100毫升蒸餾水中，用其溶液1~2點滴入煤灰上，充分攪拌摻和，利用灰錐模版和小刀制成灰錐。放在玻璃上。風干備用。3灰錐安裝。把干燥后的灰錐放在灰錐板的三角槽中，可以用氧化鎂沾下。4氣氛控制：在鋼玉舟內(nèi)放入和標定一樣質(zhì)量的石墨或者無煙煤。（石墨的重量是在灰熔點標定達標所需要石墨的重量）5把剛玉舟推入爐體，使灰錐正好在熱電偶下方。擰緊爐體螺絲蓋。6打開儀器電源。</p><p style="text-indent:25px">為了檢驗每支是否工作，通電時可用電流表逐一測定電流，同一區(qū)域在相等的電壓下要求電流相近，偏差不超出10%，如果個別電流太大就說明這支的電阻太小。如果測試發(fā)現(xiàn)電流太小，說明不是阻值太大就是按觸不良。沒有電流通過說明元件已斷，應更換阻值接近的新棒。螺旋硅碳管也叫螺紋硅碳棒，螺旋硅碳管有單螺和雙螺之分，雙螺旋的價格比單螺旋的要貴一些。因為螺旋硅碳管的發(fā)熱部是有多個間隙的的，這種元件表面生成保護膜的次數(shù)就比一般元件的要少，所以元件的壁厚就盡量要做的厚一點，這樣元件使用的時間就會久一些。比如外徑45mm的元件，內(nèi)徑好做到30mm左右，30mm內(nèi)徑的元件就比33mm內(nèi)徑的元件使用壽命要長。單螺旋硅碳管為兩端接線，雙螺旋硅碳管是一端接線。奧翔硅碳的行業(yè)影響力逐年提升。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="遼寧灰熔點硅碳管,硅碳管" src="http://tyunfile.71360.com/UpLoadFile/2019/7/27/15/636998394707121789_zbwuzi_1846533.jpg"></div><p> 產(chǎn)品結構本系列電爐外殼由鋼板卷制焊接而成，爐膛管采用耐高溫的氧化鋁制成。發(fā)熱元件為硅碳管，其外套有隔熱高鋁管，爐膛襯有絕熱良好的保溫材料。由于選用雙螺紋一端接線的硅碳管，與工作電源連接比較整齊方便，熱電偶也從此端插入。四、使用注意事項1、硅碳管質(zhì)地硬而脆，螺紋帶彈性有限，安裝拆卸時應充分小心注意，以免折斷，碰壞。在任何情況下應保證它自由膨脹和收縮，應避免機械應力的存在。2、硅碳管的老化、壽命與使用溫度關系很大，一般在1300℃±50℃能運行1500作業(yè)小時左右。3、被加熱物不能含有過高的水分，否則會影響硅碳管的壽命，可以烘干以后再加熱。4、硅碳管不適應在保護氣氛下工作，例如氫氣。一氧化碳在供氧不足的情況下也會使碳游離，從而影響硅碳管的壽命。5、硅碳管的表面負荷的選用隨溫度而變化，工作溫度在1300℃時允許6w/cm2，而工作溫度在1000℃時可允許30w/cm2，選擇合適的加熱功率可以延長硅碳管的壽命。6、硅碳管安裝之前應將內(nèi)外爐管之間打掃干凈。硅碳管螺紋帶之間或能引起短路的雜物，導電卡子連接片應旋緊接實，絕緣片應可靠絕緣。7、安裝完畢即可通電烘爐，由低溫小功率開始進行8小時，長期不用使用前也必須烘爐，尤其是南方潮濕地區(qū)。奧翔硅碳以快的速度提供好的產(chǎn)品質(zhì)量和好的價格及完善的售后服務。吉林定硫儀硅碳管</p><p style="text-indent:25px">奧翔硅碳不斷從事技術革新，改進生產(chǎn)工藝，提高技術水平。遼寧灰熔點硅碳管</p><p> 硅碳管，定硫儀硅碳管,膠質(zhì)層測定儀硅碳棒，活性測定儀硅碳管硅碳棒、硅碳管是用高經(jīng)度碳化硅(SIC)為主要原料、經(jīng)高溫(2200℃)再結晶制成的非金屬電熱元件。華諾電子科技硅碳管使用高溫度1600℃，正常使用溫度1450攝氏度，連續(xù)使用壽命可達3000小時以上。硅碳管、硅碳棒使用時要選擇合理的表面負荷密度和使用溫度。使用溫度應不大于1650攝氏度;在有害氣體環(huán)境中使用更要防止硅碳管與有害氣體發(fā)生化學反應。防止硅碳管濺上熔融金屬，濺上熔融金屬容易導致斷棒。防止堿、堿性氧化物腐蝕硅碳管。使用硅碳管、硅碳棒必須配置調(diào)壓器或可控硅調(diào)壓器及電壓、電流表和溫度自動控制儀表等。在使用過程中因棒氧化，電阻值則逐漸增加，為保持爐溫正常，應提高使用電壓，當電壓提高到所用電壓器高限度仍不能滿足要求時，可停爐改變棒的接線方式在繼續(xù)使用。經(jīng)常觀察電流表、電壓表及溫度表的讀數(shù)是否正常;冷端部卡具是否松動、氧化發(fā)黑或打火;硅碳管、硅碳棒是否斷裂;硅碳管、硅碳棒發(fā)熱部紅熱是否均勻。嚴禁硅碳管超負荷使用，如棒因故斷裂或發(fā)現(xiàn)棒發(fā)熱不均，局部呈白熾或暗紅現(xiàn)象一段一段時，這說明棒體老化不一致，一段段電阻相差太大，應停爐檢修換棒，好全部更換新棒。遼寧灰熔點硅碳管</p><p style="text-indent:25px">鄒平縣奧翔硅碳制品有限公司屬于機械及行業(yè)設備的高新企業(yè)，技術力量雄厚。公司是一家有限責任公司企業(yè)，以誠信務實的創(chuàng)業(yè)精神、質(zhì)量高速的管理團隊、精悍的職工隊伍，努力為廣大用戶提供***的產(chǎn)品。公司始終堅持客戶需求優(yōu)先的原則，致力于提供高質(zhì)量的硅碳棒廠家,碳化硅保護管,熱電偶保護管,碳化硅結合氮化硅。鄒平奧翔硅碳供應以創(chuàng)造***產(chǎn)品及服務的理念，打造高指標的服務，引導行業(yè)的發(fā)展。</p></p><br /><p>文章來源地址: http://m.cdcfah.com/cp/1027271.html</p></div></div></div></div></div><div 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