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onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="tcj4sn8" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/zbwuzi/637238607270019531/6835560.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="znph29w" 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>U型硅鉬棒廠家,硅鉬棒</p><p><span>***更新：</span>2020-08-20 03:01:12</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="fzli3cy" 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="rvszbi7" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="r7l7roa" class="box"><p><p>N21500℃1600℃濕H21400℃1500℃干H21350℃1450℃1.硅鉬棒電氣性質(zhì)硅鉬棒元件的電阻率隨著溫度升高而快速增高（見下圖）在正常情況下，元件電阻一般不隨使用時(shí)間的長短而變化，所以新舊元件可以混合使用。2.硅鉬棒表面負(fù)荷根據(jù)爐子的結(jié)構(gòu)、氣氛和溫度正確的選擇元件的表面負(fù)荷是元件達(dá)到壽命的關(guān)鍵，下圖示出發(fā)熱元件輻射在不受阻礙情況下爐溫、元件溫度與表面負(fù)荷的關(guān)系，陰影部分為常用的表面負(fù)荷-----溫度范圍。硅鉬棒元件的安裝硅鉬棒元件在常溫下脆性較大，高溫時(shí)又有可塑性，所以U型棒是垂直懸掛安裝，若需水平安裝，請選用高溫耐火材料支撐，U型硅鉬棒廠家，把硅鉬棒水平放置。元件圓錐部分一定要延伸到爐膛內(nèi)，硅鉬棒夾具不能一次擰的太緊，待元件升到高溫時(shí)，再次擰緊，這樣元件不易折斷，（建議：請選取用我公司配備的**夾具和導(dǎo)線），爐頂保溫性能要好，一般爐頂溫度不能超過300℃。夾頭導(dǎo)線與元件接觸電壓應(yīng)低于，為避免幅射熱傳到夾頭，夾頭下端和塞磚上面的距離不應(yīng)小于50mm。φ6元件不能長期使用170A，φ9元件不能長期使用300A。硅鉬棒爐子的操作新筑成的或長期不使用的爐子在使用前需要干燥，U型硅鉬棒廠家，干燥溫度為100-200℃。大型爐子干燥時(shí)間長，使用其它發(fā)熱元件烘爐，U型硅鉬棒廠家。奧翔硅碳以顧客為本，誠信服務(wù)為經(jīng)營理念。U型硅鉬棒廠家</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="U型硅鉬棒廠家,硅鉬棒" src="https://tyunfile.71360.com/UploadFile/zbwuzi/637238607270019531/6835560.jpg"></div><p>在硅碳棒的生產(chǎn)中，國內(nèi)硅碳棒生產(chǎn)廠家使用**多的是樹脂結(jié)合劑和瀝青結(jié)合劑。在上一篇文章講到瀝青結(jié)合劑，本篇文章講述樹脂結(jié)合劑在硅碳棒中的應(yīng)用以及樹脂結(jié)合劑的特點(diǎn)。樹脂結(jié)合劑主要的成分是樹脂，在硅碳棒中使用樹脂結(jié)合劑比起瀝青結(jié)合劑來說使用起來要更加方便，使用樹脂結(jié)合劑的工藝相對瀝青結(jié)合劑來說相對簡單一點(diǎn)，比如說擠壓成型時(shí)常溫就可以。樹脂結(jié)合劑除了在硅碳棒中應(yīng)用外，在磨具中應(yīng)用也非常普遍，被普遍的應(yīng)用于各種砂輪的制造。使用樹脂結(jié)合劑制作的砂輪有很多特點(diǎn)，首先結(jié)合強(qiáng)度高。使用樹脂結(jié)合劑能靈活的調(diào)節(jié)磨具的性能，可以加入網(wǎng)格布、金屬絲、石墨粉等。不同的填料產(chǎn)生不同的功能。使用樹脂結(jié)合劑使磨具產(chǎn)生一定的軟度，能使被加工件表面更光滑更美觀。加上石墨等作為填料會(huì)有更好的效果。樹脂結(jié)合劑能使磨具硬度更高，雖然能增大磨具的軟度，但是如果沒有樹脂結(jié)合劑磨具會(huì)被磨得光滑，而樹脂結(jié)合劑在二百多度就會(huì)化掉，使磨具更加鋒利。耐腐蝕硅鉬棒公司選擇奧翔硅碳，就是選擇質(zhì)量、真誠和未來。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="U型硅鉬棒廠家,硅鉬棒" src="https://tyunfile.71360.com/UploadFile/zbwuzi/637238607184101562/1657998.jpg"></div><p>連續(xù)使用超過2000小時(shí)，在空氣中使用，不需要任何保護(hù)氣氛。適用于各種電爐電窯。硅鉬棒具有高抗氧化性，在高溫氣氛下，原件的表面生成一層致密的石英SIO2保護(hù)層以防止MOSI2繼續(xù)氧化。當(dāng)元件溫度大于1700度、熔點(diǎn)1710度的SIO2保護(hù)層熔融，由于表面張力的作用，SIO2熔聚成滴，而失去保護(hù)作用。元件在氧化氣氛下在繼續(xù)使用時(shí)，SIO2保護(hù)層重新生成。硅碳棒用途:由于硅碳棒使用溫度高,具有耐高溫、抗氧化,耐腐蝕、升溫快、壽命長、高溫變形小、安裝維修方便等特點(diǎn)。有良好的化學(xué)穩(wěn)定性。若與自動(dòng)化供電系統(tǒng)配套,既可得到精確的恒定溫度,又可根據(jù)生產(chǎn)工藝的實(shí)際需要按曲線自動(dòng)調(diào)溫。現(xiàn)已普遍應(yīng)用于**、機(jī)械、冶金、輕化、陶瓷、半導(dǎo)體、分析化驗(yàn)、科學(xué)研究等領(lǐng)域,成為各種電爐電窯的電加熱元件.隧道窯、輥道窯、玻璃窯爐、真空爐、馬弗爐、冶煉爐以及各類加熱設(shè)備,使用硅碳棒加熱既方便,又安全可靠。被普遍用于電子、磁性材料、粉末冶金、陶瓷、玻璃、冶金和機(jī)械等工業(yè)的多種高溫電爐，電窯。及其電加熱設(shè)備上．產(chǎn)品由來硅鉬棒中的硅是一種化學(xué)元素，它的化學(xué)符號是Si，舊稱矽。原子序數(shù)14，相對原子質(zhì)量，有無定形硅和晶體硅兩種同素異形體。</p><p style="text-indent:25px">硅鉬棒阻性電熱元件，以二硅化鉬為基礎(chǔ)制成，耐高溫、抗氧化的。在高溫氧化性氣氛下使用時(shí)，表面生成一層光亮致密的石英（SiO2）玻璃膜，能夠保護(hù)硅鉬棒內(nèi)層不再氧化，硅鉬棒元件具有獨(dú)特的高溫抗氧化性。硅鉬棒阻性電熱元件是一種以二硅化鉬為基礎(chǔ)制成的耐高溫、抗氧化的電阻發(fā)熱元件。在高溫氧化性氣氛下使用時(shí)，表面生成一層光亮致密的石英（SiO2）玻璃膜，能夠保護(hù)硅鉬棒內(nèi)層不再氧化，因此硅鉬棒元件具有獨(dú)特的高溫抗氧化性。奧翔硅碳為客戶服務(wù)，要做到更好。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="U型硅鉬棒廠家,硅鉬棒" src="https://tyunfile.71360.com/UploadFile/zbwuzi/637238607267578125/1619478.jpg"></div><p>硅鉬棒在高溫使用過程中，表面會(huì)生成一層致密的二氧化硅保護(hù)膜，保護(hù)硅鉬棒不再繼續(xù)氧化。但是如果使用不當(dāng)則會(huì)造成棒表面的保護(hù)膜不斷脫落再形成，容易使硅鉬棒損耗嚴(yán)重。硅鉬棒跟硅碳棒一樣，在使用時(shí)分間斷使用和連續(xù)使用，而且連續(xù)使用要比間斷使用壽命長得多，一般在實(shí)驗(yàn)室使用時(shí)為間斷使用，不停的重復(fù)升溫保溫降溫的過程，造成硅鉬棒表面產(chǎn)生熱應(yīng)力，引起保護(hù)膜的破裂、脫落等，然后再次生成保護(hù)膜，這個(gè)時(shí)候硅鉬棒表面會(huì)產(chǎn)生凹坑，經(jīng)過長時(shí)間使用，在**小截面處燒斷。這就是典型的硅鉬棒間斷使用的損耗。實(shí)驗(yàn)室的間斷使用不可避免，但是可以盡量的減少升溫降溫的次數(shù)，如果在升溫和降溫的過程中讓溫度變化差降低，會(huì)有效減少硅鉬棒的損耗。硅鉬棒在工業(yè)上使用一般為連續(xù)使用，連續(xù)使用雖然比間斷使用壽命要長的多，但是也是有避免不了的損耗的。首先在工業(yè)生產(chǎn)過程中雖然為連續(xù)使用，但是有時(shí)候需要停爐或者爐子維修，這時(shí)候就會(huì)產(chǎn)生間斷使用的熱應(yīng)力效應(yīng)，不過由于工業(yè)上間斷的次數(shù)不多影響沒那么大。然后是硅鉬棒長時(shí)間高溫使用，棒表面的保護(hù)膜會(huì)慢慢蒸發(fā)并且慢慢地再形成。在形成二氧化硅保護(hù)膜的同時(shí)，其中的鉬元素會(huì)保留下來。奧翔硅碳擁有業(yè)內(nèi)**人士和高技術(shù)人才。U型硅鉬棒供應(yīng)商</p><p style="text-indent:25px">奧翔硅碳熱忱歡迎新老客戶惠顧。U型硅鉬棒廠家</p><p>硅碳棒按照產(chǎn)品分類可以分為：按直徑可分為：粗端部和等直徑兩種類型;按功能形狀可分為：直棒、多發(fā)熱段直棒、U形棒、W形棒、單雙螺紋棒、槽形硅碳棒、門形棒等類型。其中螺紋硅碳棒可以成為螺旋硅碳棒。螺紋硅碳棒有單螺紋和雙螺紋的區(qū)別。用途是不一樣的單螺紋硅碳棒SC型元件，產(chǎn)品示意圖。雙螺紋硅碳棒SCR元件，產(chǎn)品示意圖。螺紋硅碳棒使用溫度高，硅碳棒廠家認(rèn)識具有耐高溫、抗氧化，耐腐蝕、升溫快、壽命長、高溫變形小、安裝維修方便等特點(diǎn)，具有良好的化學(xué)穩(wěn)定性。硅碳棒有良好的化學(xué)穩(wěn)定性，抗酸能力強(qiáng)。在高溫條件下堿性物質(zhì)對其有侵蝕作用。那么螺旋硅碳棒元件在1000℃以上長期使用，能產(chǎn)生什么作用呢？硅碳棒供應(yīng)商答曰：能與氧氣和水蒸氣發(fā)生如下作用：①Sic+2O2→Sio2+CO2②Sic+4H2O=Sio2+4H2+CO2硅碳棒目前被普遍用于稀土熒光粉、電子、磁性材料、粉末冶金、精密鑄造等行業(yè)，做推板爐、網(wǎng)帶爐、臺(tái)車爐、箱式爐的加熱元件。鄭州銘鑫電熱是專業(yè)生產(chǎn)硅碳棒，硅鉬棒等生產(chǎn)廠家，歡迎訂購。訂購時(shí)，請告知下列數(shù)據(jù)：OD：直徑;HZ：熱端長度;CZ：冷端長度;OL：總長。A：間距。如您對電阻有特殊要求，請告知電阻值。U型硅鉬棒廠家</p><p style="text-indent:25px">鄒平縣奧翔硅碳制品有限公司致力于機(jī)械及行業(yè)設(shè)備，以科技創(chuàng)新實(shí)現(xiàn)***管理的追求。鄒平奧翔硅碳供應(yīng)作為硅碳棒，硅碳管，熱電偶保護(hù)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(hù)管，氮化硅保護(hù)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，輻射管的品牌企業(yè)，為客戶提供質(zhì)量的[ "硅碳棒廠家", "碳化硅保護(hù)管", "熱電偶保護(hù)管", "碳化硅結(jié)合氮化硅" ]。公司終堅(jiān)持自主研發(fā)創(chuàng)新發(fā)展理念，不斷優(yōu)化的技術(shù)、產(chǎn)品為客戶帶來效益，目前年?duì)I業(yè)額達(dá)到50-100萬元。鄒平奧翔硅碳供應(yīng)始終關(guān)注機(jī)械及行業(yè)設(shè)備行業(yè)。海納百川，有容乃大，國內(nèi)外同行的智慧都是促使我們前行的力量。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/974347.html</p></div></div></div></div></div><div id="azw33rd" class="page-right twoColRt"><div id="fu3zwyq" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="xr83bnp" 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(qiáng) 信息推薦自業(yè)物資供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>福建ZF配件哪家強(qiáng) 信息推薦自業(yè)物資供應(yīng)</p></a></div><div id="tdf3szg" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/846569.html"><div><img 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