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<meta http-equiv="Cache-Control" content="no-siteapp" /> <script>var V_PATH="/";window.onerror=function(){ return true; };</script> </head><body> <h1><a href="http://www.cdcfah.com/">六月丁香婷婷亚洲中文字幕,欧美精品高清一区二区蜜芽,尤物92午夜福利视频,精品视频一区二区三区在线观看</a></h1> <div style="position:fixed;left:-9000px;top:-9000px;"><object id="qgqbi"></object><delect id="qgqbi"><sub id="qgqbi"><dl id="qgqbi"></dl></sub></delect><track id="qgqbi"></track><tr id="qgqbi"></tr><video id="qgqbi"></video><xmp id="qgqbi"><span id="qgqbi"></span></xmp><span id="qgqbi"></span><strong id="qgqbi"><em id="qgqbi"><sup id="qgqbi"><progress id="qgqbi"></progress></sup></em></strong><dl id="qgqbi"><small id="qgqbi"></small></dl><wbr id="qgqbi"></wbr><noscript id="qgqbi"></noscript><tr id="qgqbi"></tr><track id="qgqbi"><dl id="qgqbi"></dl></track><label id="qgqbi"><em id="qgqbi"></em></label><tbody id="qgqbi"></tbody><blockquote id="qgqbi"></blockquote><dfn id="qgqbi"><center id="qgqbi"></center></dfn><sub id="qgqbi"></sub><u 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href="http://www.cdcfah.com/cp/third-drsb_redianzu/">熱電阻</a>?湖南鑄造輻射管價(jià)格鄒平奧翔硅碳供應(yīng)</p><div id="dpnvlp5" class="leftbox clearfix"><h1>湖南鑄造輻射管價(jià)格鄒平奧翔硅碳供應(yīng)</h1><div id="5vbr7xx" class="proBig"><div id="5f5jhpn" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/zbwuzi/637238603432099609/6002558.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="rfntjxl" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/zbwuzi/637238603432099609/6002558.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="x3pvbhv" 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>湖南鑄造輻射管價(jià)格</p><p><span>***更新：</span>2020-06-19 12:29:55</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="zbp5x37" 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="r57pnl3" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="jbzxbpb" class="box"><p><p> 管長(zhǎng)為6~11m為宜，為便于安裝和操作，單臺(tái)輻射管多加工成U字型或直管型。燃燒器在管子一端內(nèi)燃燒，煙氣由另一端排出。在公共建筑內(nèi)使用時(shí)，煙氣必須通過風(fēng)機(jī)排至室外，燃燒空氣可由鼓風(fēng)機(jī)供給或引風(fēng)機(jī)吸入。這種加熱器同熱處理輻射管不同之處在于：(1)表面溫度較低，比較高不超過550℃，一般溫度在150~450范圍，熱效率高，不低于90%。(2)輻射管材質(zhì)為普通低碳鋼管，經(jīng)濟(jì)實(shí)用，有利于各行業(yè)推廣應(yīng)用。(3)輻射管安裝方便，長(zhǎng)度不受設(shè)備限制，可串聯(lián)也可并聯(lián)使用，因而加熱供暖面積大。(4)配備有完善酌燃燒安全和控制系統(tǒng)。輻射管加熱器輻射管加熱器結(jié)構(gòu)編輯輻射管加熱器產(chǎn)生的表面溫度，在離燃燒器2m范圍內(nèi)大約有450℃，在U字型輻射管的出口降低到大約有150℃，湖南鑄造輻射管價(jià)格，輻射熱借助一個(gè)不銹鋼或拋光鋁制的反射罩向下部投射，湖南鑄造輻射管價(jià)格。輸出功率一般為10~38kW。單臺(tái)輻射管加熱器配備有完善的燃燒控制系統(tǒng)，包括一個(gè)吹掃程序、自動(dòng)點(diǎn)火、熄火保護(hù)和一個(gè)空氣流量開關(guān)。燃?xì)庥?*調(diào)壓器控制或通過零壓調(diào)壓器，按恒定空/燃比控制，湖南鑄造輻射管價(jià)格。輻射管加熱器輻射管加熱器不僅可以單臺(tái)應(yīng)用，而且可以串聯(lián)多臺(tái)應(yīng)用。用作多臺(tái)串聯(lián)時(shí)，應(yīng)將輻射管按照需要位置，先加工或串聯(lián)成歧管狀。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="湖南鑄造輻射管價(jià)格" src="https://tyunfile.71360.com/UploadFile/zbwuzi/637238603432099609/6002558.jpg"></div><p> 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[1]。輻射管輻射管的熱效率編輯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，提高煙氣在輻射管內(nèi)的流動(dòng)時(shí)間，使煙氣與輻射管充分進(jìn)行熱交換。但是輻射管長(zhǎng)度過大就會(huì)帶來強(qiáng)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(fèi)。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(shí)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。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="湖南鑄造輻射管價(jià)格" src="https://tyunfile.71360.com/UploadFile/zbwuzi/637238603432119140/4751771.jpg"></div><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，水平或垂直穿過爐膛;直到50年代初U型輻射管才問世;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。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/313328.html</p></div></div></div></div></div><div id="l5fbzpv" class="page-right twoColRt"><div id="bh35hft" class="box01 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