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onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="d9ljp7d" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/zbwuzi/637238601784970703/758533.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="7ltrxlz" 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>廣西鋁行業(yè)輻射管</p><p><span>***更新：</span>2020-06-28 04:23:21</p><p><span id="click" >瀏覽次數(shù)：5次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="ljhxvjz" 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(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="7zxnlrp" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="79fdbhn" class="box"><p><p> 在經(jīng)過A燒嘴的同時加熱A燒嘴內(nèi)的蓄熱體。冷空氣和高溫?zé)煔馊绱私惶娴牧鹘?jīng)A、B燒嘴的蓄熱體，通過蓄熱體交換熱量。蓄熱式燃燒技術(shù)可以將排出的煙氣溫度降低至200℃以下，提高了輻射管的熱效率。這一提高熱效率的過程勾勒出輻射管向超系統(tǒng)進(jìn)化的技術(shù)發(fā)展路線:向超系統(tǒng)的進(jìn)化路線--當(dāng)一個系統(tǒng)自身發(fā)展到極限時，它向著變成一個超系統(tǒng)的子系統(tǒng)方向進(jìn)化，通過這種進(jìn)化，原系統(tǒng)升級到一種更高的水平，其中的一條進(jìn)化路線為:單系統(tǒng)→雙系統(tǒng)→多系統(tǒng)。按照這條路線描述提高輻射管加熱效率的進(jìn)化過程:系統(tǒng)正處于進(jìn)化的階段[2]。輻射管輻射管表面溫度分布的均勻性，輻射管表面溫度分布的均勻性作為衡量輻射管的一個重要的技術(shù)性能指標(biāo)，它影響輻射管的加熱能力、加熱質(zhì)量以及輻射管的使用壽命。目前U和W型輻射管的應(yīng)用**普遍，因此以U型和W型輻射管作為研究對象。**初的輻射管只在一端安裝燒嘴，輻射管兩端溫差較大。為改善輻射管表面溫度分布的均勻性，廣西鋁行業(yè)輻射管，在輻射管內(nèi)設(shè)置若干芯塊，芯塊使得高溫氣體充滿輻射管，加強了高溫氣體與管壁間的對流換熱，廣西鋁行業(yè)輻射管，尾部溫度有所提高。后來為提高輻射管溫度均勻性，廣西鋁行業(yè)輻射管，在輻射管兩端都裝有燒嘴，采用脈沖燃燒技術(shù)提高了輻射管溫度分布的均勻性。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="廣西鋁行業(yè)輻射管" src="https://tyunfile.71360.com/UploadFile/zbwuzi/637238601784970703/758533.jpg"></div><p> 加熱管：電加熱管（電熱管）是由金屬管作外客裝入高電阻電熱合金絲作發(fā)熱材料，在電熱絲周圍填充并壓實，具有良好的絕緣性能，用導(dǎo)熱系數(shù)較高的高純氧化鎂作填充料，該產(chǎn)品固有功率大，熱效性高，散熱快等特點。常用于塑料包裝，小型模具加熱、分析儀器、卷煙業(yè)、制鞋業(yè)、半導(dǎo)體共晶焊接、壓鑄件輸入道加熱以及無澆注射、各種氣體膨脹時的制冷效應(yīng)等加熱。電加熱輻射管：電加熱輻射管是指從中心向各個方向沿直線延伸的管道。指的是非**管道（或稱干管），其是將干管的物作用質(zhì)輸送到制定或非制定的地址。輻射管一般采用氣體燃料，其材料為耐熱鋼經(jīng)鑄造或焊接而成。輻射管的形狀多種多樣，有U型的，W型的，三叉戟形的等；**常用的輻射管是U型輻射管，管子一端裝設(shè)燃料噴嘴，另一端裝設(shè)引射器，以吸出燃燒產(chǎn)物。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="廣西鋁行業(yè)輻射管" src="https://tyunfile.71360.com/UploadFile/zbwuzi/637238601784970703/5543264.jpg"></div><p> 提高煙氣在輻射管內(nèi)的流動時間，使煙氣與輻射管充分進(jìn)行熱交換。但是輻射管長度過大就會帶來強度、剛度以及制造安裝方面的問題，影響輻射管的使用壽命。后來又不斷改進(jìn)燒嘴的結(jié)構(gòu)，使燃?xì)馀c助燃空氣充分混合后充分燃燒，進(jìn)而提高輻射管的熱效率。20世紀(jì)70年代以后，出現(xiàn)了蓄熱式燃燒技術(shù)，發(fā)明了蓄熱式燒嘴，用來回收煙氣余熱，減少了能源的浪費。20世紀(jì)90年代初，蓄熱式燃燒技術(shù)得到了普遍應(yīng)用，換向閥和控制系統(tǒng)的可靠性也得到改善，熱效率大幅提高至70%～90%。蓄熱式燃燒技術(shù)的工作原理:助燃空氣經(jīng)過四通換向閥由助燃空氣通道進(jìn)入A燒嘴，經(jīng)A燒嘴的蓄熱體加熱后與煤氣混合在輻射管內(nèi)燃燒，燃燒產(chǎn)生的高溫?zé)煔饬鹘?jīng)輻射管后進(jìn)入燒嘴B，加熱燒嘴B內(nèi)的蓄熱體后由煙道排出。經(jīng)過一段設(shè)定的時間后通過四通換向閥與煤氣換向閥改變助燃空氣與煤氣的流向，助燃空氣經(jīng)過四通換向閥由助燃空氣通道進(jìn)入B燒嘴，經(jīng)過B燒嘴內(nèi)的蓄熱體加熱后與煤氣混合燃燒，燃燒產(chǎn)生的煙氣經(jīng)過A燒嘴由煙道排出，在經(jīng)過A燒嘴的同時加熱A燒嘴內(nèi)的蓄熱體。冷空氣和高溫?zé)煔馊绱私惶娴牧鹘?jīng)A、B燒嘴的蓄熱體，通過蓄熱體交換熱量。蓄熱式燃燒技術(shù)可以將排出的煙氣溫度降低至200℃以下，提高了輻射管的熱效率。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/418569.html</p></div></div></div></div></div><div id="fvt7trf" class="page-right twoColRt"><div id="zhvl9df" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="brndzft" class="recomPic likePro"><a 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