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src="http://tyunfile.71360.com/UpLoadFile/2019/7/27/15/636998382987867250_zbwuzi_5237174.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="8g8am2s" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/2019/7/27/15/636998382987867250_zbwuzi_5237174.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="7onugdu" class="content"><p><span>需求數量：</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>產品關鍵詞：</span>山西雙螺紋硅碳棒廠,硅碳棒</p><p><span>***更新：</span>2020-08-31 10:01:53</p><p><span id="click" >瀏覽次數：0次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="bfmjqmo" 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="3t3dkrn" class="page-proshow02"><p class="title">詳細說明</p><div id="bvszlnz" class="box"><p><p style="text-indent:25px">　　U型硅碳棒溫度越高壽命越短。特別是在爐膛溫度多過1600℃以后，氧化速度加快，硅碳棒的使用壽命變短，所以請盡量不要讓硅碳棒表面溫度過高，而且在與其他氛圍氣體中使用時，有可能會加重其氧化，二氧化硅薄膜在結晶臨界的點附近發(fā)生異常的膨脹、收縮。因在間歇式窯爐中間斷使用總在此溫度上下浮動，山西雙螺紋硅碳棒廠，所以反復破二氧化硅薄膜，加速氧化，從而造成破裂或溫度無法升高。　　U型硅碳棒的安裝是怎么樣的呢?在正確使用的過程中，安裝也是非常重要的一環(huán)，安裝到爐上及連線后，其在軸向和平行應有松隙可以移動及滾動，禁止塞裝或者硬金屬板聯(lián)接使棒受力，以免聯(lián)電后熱脹受力加深而斷棒，冷端部的卡具與棒噴鋁端的聯(lián)接打緊固，山西雙螺紋硅碳棒廠，不然在后期的使用過程中出現松動或者損壞。　　另外還有要注意的是在更換硅碳棒時，應選用和爐內運行的硅碳棒的電阻相接近的硅碳棒，山西雙螺紋硅碳棒廠，必要時更換整爐硅碳棒，這樣有利于提高硅碳棒的使用壽命，卸不來的硅碳棒，如果電阻值合適，還可以在電爐運行中后期換上使用，另外在使用時還要防止硅碳棒濺上熔融金屬，濺上熔融金屬容易導致斷棒。奧翔硅碳愿和各界朋友真誠合作一同開拓。山西雙螺紋硅碳棒廠</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="山西雙螺紋硅碳棒廠,硅碳棒" src="http://tyunfile.71360.com/UpLoadFile/2019/7/27/15/636998382987867250_zbwuzi_5237174.jpg"></div><p style="text-indent:25px">螺旋硅碳棒在使用過程中雖然氧化緩慢，但長時間運行仍然會導致電阻值增大，這種現象叫做老化，為了減緩老化速度，我們對該碳棒做了一些性能：　　1、螺旋硅碳棒的紅外輻射率高，是普通鎳鉻絲的5-10倍。　　2、高表面溫度可達1500度。　　3、使用壽命長，安裝、維修簡單。　　4、螺旋硅碳棒的抗氧化性強，耐腐蝕性強，并具有優(yōu)良的耐熱沖擊性能。　　5、機械強度高，抗彎曲強度高達100-120MPa。　　在螺旋硅碳棒的制作過程中以獨特的技術，在發(fā)熱部得表面涂上了保護層，明顯的增強了元件的抗氧化性能，延長了使用壽命。山西螺紋型硅碳棒規(guī)格奧翔硅碳用先進的生產工藝和規(guī)范的質量管理，打造優(yōu)良的產品！</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="山西雙螺紋硅碳棒廠,硅碳棒" src="http://tyunfile.71360.com/UpLoadFile/2019/7/27/15/636998382988023210_zbwuzi_2817287.jpg"></div><p> **近很多客戶聯(lián)系我們，把他們在硅碳棒的使用過程中遇到的問題向我們請教，希望我們能給予幫助，小編就這些問題中的關于硅碳棒電阻值方面的知識與大家共同探討一下，希望能給廣大客戶朋友們帶來啟發(fā)與幫助，讓大家對硅碳棒有一個深層次的了解。這樣大家在以后使用過程中時也能做到心中有數，不慌不忙，發(fā)揮出硅碳棒的比較大作用。大家在使用硅碳棒的時候有時會遇到需要硅碳棒串聯(lián)的情況，那就需要挑選合適的硅碳棒進行串聯(lián)。一般硅碳棒廠家會告訴用戶使用電阻值相近的棒進行串聯(lián)，這個電阻值指的是硅碳棒單位長度的電阻值，一般以Ω/m為單位。一般硅碳棒測電阻測的都是單位長度的電阻值。那么串聯(lián)時跟長度與粗細有沒有關系呢？為什么是單位電阻值而不是整根的電阻值？把兩根硅碳棒視作兩個電阻元件，不應該是整體電阻相似所以分壓一樣嗎?硅碳棒不同于一般的電阻元件，一般的電阻元件由于體積小，發(fā)熱小，所以忽視長度跟粗細帶來的影響。硅碳棒相比一般的電阻元件長度大得多，并且主要利用的是發(fā)熱而不是電阻的大小，所以串聯(lián)時就不能忽視體積的因素。比如說一根直徑20，長度100的棒跟直徑40長度200的棒，假如說兩根棒的電阻一樣，那么即使電阻一樣也不能串聯(lián)。</p><p style="text-indent:25px">等直徑硅碳棒是一種電熱元件，作為以碳化硅為主要原料制成，由于它的性能及使用效果比鎳鉻電阻絲優(yōu)越，故普遍地用手冶金、杌械行業(yè)，目前被廣泛應用于各類窯爐中，比如說馬弗爐、熱窯爐等，但是一般來說不同窯爐對于等直徑硅碳棒的規(guī)格也是不同的，來給大家簡單的介紹一下等直徑硅碳棒的規(guī)格含義，然后再來給大家介紹下不同窯爐中如何選擇不同規(guī)格的等直徑硅碳棒以達到加熱效率。　　等直徑硅碳棒規(guī)格各字母含義：　　L---等直徑硅碳棒全長，　　M---冷端部長度，　　D---冷端部直徑，　　t---發(fā)熱部長度，　　d---發(fā)熱部直徑，　　目前等直徑硅碳棒的一般寫法為：dM14/31Do/250(毫米)即：2M+1=L。　　平時我們在進行使用時，應當針對于這幾點多加的關注，這樣后期才能選擇到適合的產品，提高生產效率增強設備的使用率。奧翔硅碳以精良的產品品質和優(yōu)先的售后服務，全過程滿足客戶的***需求。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="山西雙螺紋硅碳棒廠,硅碳棒" src="http://tyunfile.71360.com/UpLoadFile/2019/7/27/15/636998382987399370_zbwuzi_6548644.jpg"></div><p style="text-indent:25px">　選用硅碳棒的時候，我們都需要了解產品的理化性質，這樣在后期進行使用的時候才能方便選用，下面來看下硅碳棒的理化性質。　　元件質地：硬而脆，耐急冷急熱，高溫下不易變形，其它物理性能如下：　　導熱系數：**卡/米·小時·度　　線膨脹系數：5×10-6(m/℃) 　　化學性質：有良好的化學穩(wěn)定性，抗酸能力強。在高溫條件下堿性物質對其有侵蝕作用。　　硅碳棒元件在1000℃以上長期使用能與氧氣和水蒸氣發(fā)生如下作用：　　①Sic+2O2→Sio2+CO2 ②Sic+4H2O=Sio2+4H2+CO2 　　致使元件中SiO2含量逐漸增多，電阻隨之緩慢增加，為之老化。如水蒸氣過多，會促進SiC氧化，由②式反應產生的H2與空氣中的O2結合H2O再反應產生惡性循環(huán)。降低元件壽命。氫氣　　(H2)能使元件機械強度降低。氮氣(N2)在1200℃以下能防止SiC氧化1350℃以上與SiC發(fā)生反應，使SiC分解氯氣(Cl2)能使Sic完全分解。奧翔硅碳產品**國內。山西雙螺紋硅碳棒廠</p><p style="text-indent:25px">奧翔硅碳不斷從事技術革新，改進生產工藝，提高技術水平。山西雙螺紋硅碳棒廠</p><p style="text-indent:25px">一般在制作硅碳棒時的次燒結，都是將碳化硅生料和瀝青、焦油等粘合劑攪拌均勻，并用擠壓機擠壓成型，然后在隧道窯中直接進行燒結，這種做法會有一定的缺點?，F在給大家介紹一下新的制作工藝。　　新的工藝在次燒結時是將擠壓成型的胚件，放在真空容器里，抽真空到20~50毫米汞柱，然后以每分鐘5~10攝氏度的升溫速度，從常溫升到350攝氏度，在350攝氏度保溫30分鐘，使胚件各部位均勻的達到此溫度，再以每分鐘10攝氏度的速度升溫至920攝氏度，在920攝氏度時保溫30分鐘，可以將殘留的摻合物雜質排清，得到較為理想的硅化碳燒結物。這種燒結方法在粗真空中進行，各種雜質成分易揮發(fā)，一次殘留的雜質少。　　第二次燒結式的原理是在碳化硅胚料的周圍用碳化硅粉末包圍起來，圍用其他埋料，這樣在高溫時不僅形成還原性氣氛，而且使碳化硅胚料表面與新生成的碳化硅分子隔離開來，隔離物是碳化硅埋料，新生成的碳化硅分子與碳化硅埋料起作用，而保護了里面的碳化硅。　　新的工藝簡單操作而且將硅碳棒的雜質盡可能的減少，提高了產品的性能。同時在質量上又是一個新的提升。提高了整體的品質與使用年限。山西雙螺紋硅碳棒廠</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，是一家擁有51~100人***員工的企業(yè)。公司業(yè)務涵蓋硅碳棒廠家，碳化硅保護管，熱電偶保護管，碳化硅結合氮化硅等，價格合理，品質有保證。公司秉持誠信為本的經營理念，在機械及行業(yè)設備深耕多年，以技術為先導，以自主產品為重點，發(fā)揮人才優(yōu)勢，打造機械及行業(yè)設備質量品牌。在社會各界的鼎力支持下，持續(xù)創(chuàng)新，不斷鑄造***服務體驗，為客戶成功提供堅實有力的支持。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/1104590.html</p></div></div></div></div></div><div id="3hri3j9" class="page-right twoColRt"><div id="wac77v4" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="wvizg3m" 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" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>福建ZF配件哪家強信息推薦自業(yè)物資供應</p></a></div><div id="r78rykw" class="recomPic 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