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src="https://tyunfile.71360.com/UploadFile/zbwuzi/637238603432119140/4751771.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="ggqcask" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/zbwuzi/637238603432119140/4751771.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="ysuyuuy" 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>北京碳化硅陶瓷輻射管供應(yīng)商,輻射管</p><p><span>***更新：</span>2020-06-30 04:16:17</p><p><span id="click" >瀏覽次數(shù)：2次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="acyky08" 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="wm88k8s" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="umaga8s" class="box"><p><p> 因?yàn)樵隗{溫下不完全燃燒時(shí)，氣氛中未燃燒的CO將與構(gòu)成輻射管的Fe發(fā)生下列反應(yīng)：6Fe+2CO2-Fe3C+O2反應(yīng)形成的滲碳體將使加熱管的管壁變脆，易產(chǎn)生裂紋。在輻射管的內(nèi)外兩個(gè)表面都與髙濃度的氮?dú)庀嘟佑|，在爐內(nèi)保護(hù)氣氛的一側(cè)，氮?dú)獾暮恳话阍?5%-85%或更髙。在燃燒的一側(cè)，也含有大量的氮?dú)猓簹庵泻_(dá)14%左右，助燃空氣中含氮?dú)?8%)，因此，產(chǎn)生滲氮現(xiàn)象是必然的，但是一旦氧的濃度稍大，即氧化氣氛變強(qiáng)時(shí)（如出現(xiàn)02>2%的情況），則會(huì)發(fā)生強(qiáng)烈氮化氧化作用，而使輻射管受到腐蝕破壞，出現(xiàn)表面起泡、管子彎曲，北京碳化硅陶瓷輻射管供應(yīng)商、燒穿管子等情況，北京碳化硅陶瓷輻射管供應(yīng)商。因此，輻射管的燃燒氣氛中氧含量要控制在2%以下?？刂评鋮s段是一個(gè)垂直、二個(gè)行程、空氣管冷卻室，對(duì)于退火或?；芷?，用來(lái)進(jìn)行u型鋼起初（慢）冷卻以達(dá)到所要求的溫度。在這一段使用電阻型加熱元件，從冷爐啟動(dòng)時(shí)加熱或在全硬周期用來(lái)保持燃燒室的溫度。與在輻射管加熱爐段一樣，要用高純度保護(hù)氣體來(lái)保護(hù)u型鋼表面。冷卻管是帶有空氣冷卻單端吸收型，用一個(gè)抽風(fēng)機(jī)將冷氣吸進(jìn)內(nèi)管，然后由內(nèi)管的一端進(jìn)入內(nèi)外管之間返回排出。在u型鋼不運(yùn)行情況下，北京碳化硅陶瓷輻射管供應(yīng)商，電加熱輸入功率足以在8h內(nèi)加熱到670-680攝氏度。在加熱和冷卻之間的開(kāi)關(guān)交替是自動(dòng)進(jìn)行的。奧翔硅碳生產(chǎn)的產(chǎn)品受到用戶的一致稱贊。北京碳化硅陶瓷輻射管供應(yīng)商</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="北京碳化硅陶瓷輻射管供應(yīng)商,輻射管" src="https://tyunfile.71360.com/UploadFile/zbwuzi/637238603432119140/4751771.jpg"></div><p style="text-indent:25px">輻射管表面溫度分布的均勻性與火焰的長(zhǎng)度密切相關(guān)。**初的燒嘴只能進(jìn)行一級(jí)燃燒，在此基礎(chǔ)上經(jīng)改進(jìn)設(shè)計(jì)了可兩級(jí)燃燒的燒嘴，通過(guò)控制系統(tǒng)調(diào)節(jié)燒嘴中一次空氣和二次空氣的配比，可以有效地控制火焰長(zhǎng)度，改善輻射管表面溫度分布的均勻性。蓄熱式燃燒技術(shù)的出現(xiàn)**提高了輻射管的溫度均勻性。通過(guò)試驗(yàn)發(fā)現(xiàn): 隨著空氣預(yù)熱溫度的增加，輻射管表面比較大溫差逐漸減小，溫度不均勻系數(shù)也隨之變小。在這一過(guò)程中有兩條技術(shù)進(jìn)化路線: 1) 向超系統(tǒng)的進(jìn)化路線: 單系統(tǒng)→雙系統(tǒng)→多系統(tǒng)。按照這條進(jìn)化路線改善輻射管表面溫度分布均勻性的進(jìn)化過(guò)程 ( 注:控制系統(tǒng)改為蓄熱體) ，系統(tǒng)正處于進(jìn)化的***階段。 2) 頻率協(xié)調(diào)進(jìn)化路線單個(gè)物體( 火焰) : 連續(xù)運(yùn)動(dòng)→脈沖→周期性作用→增加頻率→共振。按照這條進(jìn)化路線描述提高輻射管溫度分布均勻性的進(jìn)化過(guò)程，系統(tǒng)正處于進(jìn)化的周期性作用階段，可以進(jìn)一步改善兩側(cè)燒嘴的燃燒周期或者向增加頻率的方向發(fā)展，如提高兩側(cè)燒嘴交替燃燒的頻率以提高輻射管溫度分布的均勻性。江西氮化硅陶瓷輻射管廠家直銷奧翔硅碳的行業(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="北京碳化硅陶瓷輻射管供應(yīng)商,輻射管" src="https://tyunfile.71360.com/UploadFile/zbwuzi/637238603054736328/6791277.jpg"></div><p> 線裝螺旋環(huán)繞電熱輻射管這種電熱輻射管由耐熱合金鋼套管和加熱器組成，加熱器一般由電熱絲繞在開(kāi)有螺旋溝槽的耐熱絕緣陶瓷管芯上。2、帶狀螺旋環(huán)繞電熱輻射管這種加熱器的結(jié)構(gòu)基本上與第一種結(jié)構(gòu)相同，只是加熱元件采用電阻帶繞制，管芯多為多個(gè)分組式管芯組成，在同樣表面負(fù)荷下，熱輻射面大，材料可節(jié)省，一般大功率點(diǎn)加熱輻射管采用此種形式。3、軸向波折形籠柜式電熱輻射管（俗稱鼠籠式）其結(jié)構(gòu)是將加熱元件的電阻絲（帶）彎成“U”形串入多塊絕緣耐高溫的陶瓷支撐盤中，中間用一根耐熱棒固定，這種輻射管壽命較長(zhǎng)。電加熱輻射管的特點(diǎn)1、材料采用直流氬弧焊接，使表面負(fù)荷、電阻差等各項(xiàng)技術(shù)指標(biāo)得到保證。2、耐熱絕緣瓷件熱震性好、耐高溫、壽命長(zhǎng)。有高、中、低溫爐用和特種氣氛爐用規(guī)格任意選用。外套管系采用無(wú)縫耐高溫合金管及板卷管、離心鑄管、非金屬**抗?jié)B碳套管等。其優(yōu)點(diǎn)是：1、安裝、檢測(cè)、維修方便，均在爐外進(jìn)行。3、結(jié)構(gòu)緊湊，性能穩(wěn)定、單根功率大、使用壽命是普通電加熱管的幾倍。</p><p> 加熱用的輻射管有直單管、直套管（包括單孔燒嘴和多孔燒嘴）和U形管等。直單管單孔燒嘴輻射管管面的溫度較低，使用壽命較長(zhǎng)，結(jié)構(gòu)簡(jiǎn)單，易于維修，價(jià)格也比較便宜。但是由于進(jìn)入的空氣溫度低，產(chǎn)生的廢氣溫度較高，因而熱效率較低，只有30%左右。另外，由于是單孔燒嘴，其噪聲較大，在管子的長(zhǎng)度方向上，溫度分布也不均勻。作為改進(jìn)型，使用多孔燒嘴，可以降低噪聲，改善長(zhǎng)度方向上的熱量分布狀態(tài)。使用直套管式輻射管，可以利用燃燒排出的廢氣來(lái)預(yù)熱助燃空氣，使其溫度達(dá)到450攝氏度。這樣熱效率可提髙1倍以上。在長(zhǎng)度方向上的溫度分布也比單直管式均勻，不過(guò)，由于直套管式輻射管是雙層結(jié)構(gòu)，外層管的溫度自然要低于內(nèi)層管，這樣，為了保護(hù)內(nèi)管不會(huì)因溫度過(guò)髙而燒壞，只好限制外管的溫度，從而使加熱能力有所降低，由于內(nèi)管的溫度較髙，所以使用壽命也低^U形輻射管具有單管和套管兩種類型輻射管的優(yōu)點(diǎn)，它一端為燒嘴，另一端為空氣預(yù)熱器，爐內(nèi)加熱部分則為單層。輻射管長(zhǎng)期在950-1100攝氏度的溫度范圍內(nèi)工作，其內(nèi)層接觸的是燃燒氣體，在外側(cè)接觸的則是爐內(nèi)保護(hù)氣氛。在燃燒氣體中，主要成分是N2、02、CO和C02。在髙溫條件下，CO、N2和02都將對(duì)輻射管壁起破壞作用。我公司將以優(yōu)良的產(chǎn)品，周到的服務(wù)與尊敬的用戶攜手并進(jìn)！</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="北京碳化硅陶瓷輻射管供應(yīng)商,輻射管" src="http://tyunfile.71360.com/UpLoadFile/2019/7/27/16/636998421453660446_zbwuzi_6657042.jpg"></div><p style="text-indent:25px">說(shuō)到輻射管大家都不陌生，它是熱處理行業(yè)中非常常見(jiàn)的，也是非常重要的一種加熱元件。一般我們較為常見(jiàn)的輻射管有電熱輻射管、U型輻射管、W型輻射管等等。那么輻射管到底有哪些優(yōu)點(diǎn)呢？這也是很多人都想了解的。輻射管優(yōu)點(diǎn)有以下幾個(gè)方面： (1)可以保證爐內(nèi)氣氛的可控性； (2)溫度控制、安裝和維修較方便，易于密封； (3)由于爐內(nèi)無(wú)馬弗罐，擴(kuò)大了爐膛容積，提高了生產(chǎn)能力； (4)加熱能力***率高； (5)節(jié)約了耐熱鋼材。奧翔硅碳以質(zhì)量求生存，以信譽(yù)求發(fā)展！北京碳化硅陶瓷輻射管供應(yīng)商</p><p style="text-indent:25px">奧翔硅碳公司狠抓產(chǎn)品質(zhì)量的提高，逐年立項(xiàng)對(duì)制造、檢測(cè)、試驗(yàn)裝置進(jìn)行技術(shù)改造。北京碳化硅陶瓷輻射管供應(yīng)商</p><p> **早的輻射管是由德國(guó)在20世紀(jì)30年代發(fā)明并使用的，其結(jié)構(gòu)為單層直管式，水平或垂直穿過(guò)爐膛;直到50年代初U型輻射管才問(wèn)世;為了提高提高輻射管的加熱效率，在U型輻射管的基礎(chǔ)上發(fā)明了W型輻射管;隨著技術(shù)的進(jìn)步又出現(xiàn)了P型輻射管，輻射管的典型型式。為了進(jìn)一步提高輻射管的加熱效率，在各種型號(hào)輻射管的基礎(chǔ)上又發(fā)明了麻面輻射管，其加熱面積比光面輻射管增加30%以上，提高了輻射管的加熱效率。這一過(guò)程基本上沿著兩條技術(shù)進(jìn)化路線發(fā)展:1)幾何形狀的進(jìn)化路線--各子系統(tǒng)之間以及子系統(tǒng)與超系統(tǒng)的形狀要相互協(xié)調(diào)，其中的一條進(jìn)化路線為幾何形狀的進(jìn)化:直線→2D線→3D線→復(fù)雜線。按照這條進(jìn)化路線描述提高輻射管加熱效率的進(jìn)化過(guò)程:系統(tǒng)正處于進(jìn)化的2D曲線階段，可以將輻射管設(shè)計(jì)為3D曲線以提高輻射管的加熱效率，如將輻射管設(shè)計(jì)成波紋管。2)表面形狀的進(jìn)化路線:平滑表面→帶有凸起的表面→粗糙表面→帶有活性物質(zhì)的表面。按照這條進(jìn)化路線描述提高輻射管加熱效率的進(jìn)化過(guò)程:系統(tǒng)正處于進(jìn)化的帶有凸起的表面階段，可以增加輻射管表面凸起的數(shù)量或?qū)⑤椛涔鼙砻嬖O(shè)計(jì)為粗糙表面以提高輻射管的加熱效率為了提高輻射管的熱效率，**直接的辦法就是增加輻射管的長(zhǎng)度。北京碳化硅陶瓷輻射管供應(yīng)商</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" ]。公司堅(jiān)持以技術(shù)創(chuàng)新為發(fā)展引擎，以客戶滿意為動(dòng)力，目前擁有51~100人專業(yè)人員，年?duì)I業(yè)額達(dá)到50-100萬(wàn)元。鄒平奧翔硅碳供應(yīng)始終關(guān)注自身，在風(fēng)云變化的時(shí)代，我們對(duì)自身的建設(shè)毫不懈怠，高度的專注與執(zhí)著使我們?cè)谛袠I(yè)的從容而自信。</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/442668.html</p></div></div></div></div></div><div id="cgkg8cy" class="page-right twoColRt"><div id="wqeyakk" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="ioyqcio" 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) 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