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onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="5iypr3v" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/wds2020/637311308103544921/495924.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="zduqxo3" 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>廣東省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>河北窯爐燒嘴廠商,天燃?xì)鉄?/p><p><span>***更新：</span>2020-11-05 10:23:50</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="voacjgn" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">中山市瓦達(dá)斯熱能設(shè)備技術(shù)有限公司</a></p><p><span>聯(lián)系人：</span>王小龍</p><p><span>郵箱: </span>857523811@qq.com</p><p><span>電話: </span>18576205579</p><p><span>傳真: </span>0755_</p><p><span>網(wǎng)址: </span>http://www.gdwadasi.com</p><p><span>手機(jī): </span>0755-12345678</p><p><span>地址: </span>東鳳鎮(zhèn)民樂社區(qū)德友街8號二樓</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="x8bfbik" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="fw3bnph" class="box"><p><p style="text-indent:25px"> 環(huán)縫渦流式燒嘴也是一種混合條件較好的有焰燒嘴，火焰也較短。但是煤氣要干凈，否則容易堵塞噴口。這種燒嘴主要用來燒混合煤氣和凈發(fā)生爐煤氣。當(dāng)煤氣噴口縮小后，也可以燒焦?fàn)t煤氣和天然氣。這種燒嘴有一個圓柱形煤氣分流短管，煤氣經(jīng)過噴口的環(huán)狀縫隙進(jìn)入燒嘴頭，空氣從切線方向進(jìn)入空氣室，經(jīng)過環(huán)縫出來在燒嘴頭與煤氣相遇而混合。由于氣流阻力較大，這種燒嘴要求的煤氣及空氣壓力比一般有焰燒嘴稍高，約為1960～3920Pa。加熱爐常用的有焰燒嘴有套管式燒嘴、低壓渦流式燒嘴，河北窯爐燒嘴廠商，河北窯爐燒嘴廠商、扁縫渦流式燒嘴、環(huán)縫渦流式燒嘴，河北窯爐燒嘴廠商、平焰燒嘴、火焰長度可調(diào)燒嘴、高速燒嘴、自身預(yù)熱燒嘴等，在選用時，必須根據(jù)爐子結(jié)構(gòu)的特點、加熱工藝的要求、燃料條件等綜合考慮選擇。當(dāng)噴出速度小于火焰?zhèn)鞑ニ俣葧r，火焰就會竄回到燒嘴內(nèi)而出現(xiàn)回火現(xiàn)象。河北窯爐燒嘴廠商</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="河北窯爐燒嘴廠商,天燃?xì)鉄? src="https://tyunfile.71360.com/UploadFile/wds2020/637311308103544921/495924.png"></div><p> 粗粒子長期進(jìn)入煤漿泵會引起高壓煤漿泵墊缸的,也會引起煤漿波動,應(yīng)該及時在煤漿槽堆底排煤漿，我個人感覺這兩種可能都有,另外,氣化爐合成氣出口可能堵塞,還有負(fù)荷高都會導(dǎo)致壓差高的。多大的粒子能使煤漿泵的單向閥出現(xiàn)半卡涉狀態(tài)？液體的膨脹系數(shù)很小的，要卡住單向閥那么就出現(xiàn)一個缸不打量，不會出現(xiàn)你那種半卡的，而只是影響燒嘴壓差。燒嘴壓差波動一般都在氣化爐運行末期，因此可以推斷應(yīng)該是燒嘴磨損導(dǎo)致局部環(huán)隙偏大，煤漿泵出口壓力受此影響所致。產(chǎn)生這種情況的原因不是簡單的一種情況，應(yīng)該從各個操作參數(shù)認(rèn)真判斷，出現(xiàn)問題的原因應(yīng)該有以下幾種，一、煤漿質(zhì)量問題，在管線輸送時出現(xiàn)掛、堵現(xiàn)象；二、煤漿泵的問題，出口、入**門有卡、堵現(xiàn)象，出口緩沖罐壓力問題，造成煤漿管線階段性共振，煤漿壓力波動較大；三、中心氧的問題，實踐證明中心氧止回閥需要定期更換，是否閥頭已損壞，造成階段性流量波動，煤漿中可能有鐵絲，單向閥密封圈磨損都能造成這種情況。動轉(zhuǎn)速、控制好爐溫。青島碳化硅燒嘴批發(fā)哪家好碳化硅燒嘴被普遍的應(yīng)用于廢氣洗滌、煙氣脫硫系統(tǒng)、氣體冷卻等。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="河北窯爐燒嘴廠商,天燃?xì)鉄? src="https://tyunfile.71360.com/UploadFile/wds2020/637311305644951171/9661393.png"></div><p> 燒嘴磨損嚴(yán)重，壓差變低，燒嘴內(nèi)部堵塞，壓差偏高，自己查下煤漿出口壓力可有變化。煤漿泵電流以及轉(zhuǎn)速可有什么變化。要沒什么變化就不是泵的原因。查下氧氣壓力。一般氧壓穩(wěn)定，不會波動怎么頻繁。一般都是燒嘴自身問題，去聽聽燒嘴可有節(jié)流或者哨子聲。主要原因在于：1、物料，煤漿穩(wěn)定性。2、設(shè)備，高壓煤漿泵單向閥，活塞密封，液壓缸相關(guān)密封件的性能壓差低說明燒嘴燒蝕，磨損嚴(yán)重。壓差高則反映燒嘴堵塞燒嘴壓差是反映燒嘴的霧化狀態(tài)，排查高壓煤漿泵沒問題的話，就考慮燒嘴的原因了燒嘴壓差是氣化爐運行中反應(yīng)工藝燒嘴運行工況的一個重要參數(shù)，該壓差值并不是人為可隨意控制的，該壓差值也會隨著煤漿變化和氧量變化有一定的波動（在未考慮燒嘴磨損的情況下），這種波動值較??；當(dāng)然，在爐子運行時間長后，燒嘴被磨損后燒嘴壓差便會出現(xiàn)頻繁波動，同時也會連帶著造成氧煤比波動，此時也會出現(xiàn)偏噴現(xiàn)象，爐壁溫度也會出現(xiàn)波動（多數(shù)會上漲）；直接影響氣化爐反應(yīng)情況，此時若該爐子運行時間已經(jīng)較長，則該考慮倒?fàn)t檢查。 </p><p style="text-indent:25px"> 燒嘴控制單元，點火變壓器, 指示器和操作控制器集成在金屬盒內(nèi)取代本地?zé)炜刂葡鋸亩_(dá)到節(jié)省空間的目的，在連續(xù)或脈沖控制中可直接點火而不受燒嘴功率限制，采用UV火焰檢測、離子火焰檢測，也可選擇使用高溫模式控制，可顯示程序狀態(tài)，系統(tǒng)參數(shù)和火焰信號;手動模式可進(jìn)行燒嘴調(diào)試和診斷，通過電腦編程和診斷軟件來實現(xiàn)可視化控制并易于修改參數(shù)，連接盒、插件接線端子和快速電纜鎖緊裝置便于快速安裝和維修，可選PROFIBUS - DP現(xiàn)場總線接口， WBMU基本結(jié)構(gòu)示意圖包含智能燒嘴單元，點火變壓器，手動/自動模式，工作和故障狀態(tài)顯示器等組成部分。燒嘴按點火方式分為兩種:一種是自動點火，點火方式通過電極發(fā)出高壓點燃可燃?xì)怏w;一種是人工點火。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="河北窯爐燒嘴廠商,天燃?xì)鉄? src="https://tyunfile.71360.com/UploadFile/wds2020/637311307973408203/2278180.png"></div><p style="text-indent:25px">燒嘴也叫燃燒器，是工業(yè)燃料爐上用的燃燒裝置的俗稱，可理解為“燒火的噴嘴”的簡稱。通常指的是燃燒裝置本體部分，有燃料入口、空氣入口和噴出孔，起到分配燃料和助燃空氣并以一定方式噴出后燃燒的作用。燒嘴磚是燃燒裝置的重要組成部分。燒嘴磚的作用有： 1）將燃料在燒嘴磚內(nèi)加熱至著火溫度，使其易于點火并迅速燃燒。 2）在燒嘴磚內(nèi)保持一定的高溫，使燃燒過程穩(wěn)定，避免產(chǎn)生脈動或燃燒中斷現(xiàn)象。 3）組織火焰形狀，滿足加熱工藝的要求。 4）使燃料和空氣進(jìn)一步混合。燒嘴按所用材質(zhì)分為：鉻剛玉質(zhì)燒嘴磚，剛玉莫來石燒嘴磚，高鋁莫來石燒嘴磚，粘土質(zhì)燒嘴磚，碳化硅燒嘴磚。天然氣燒嘴的概念及分類燃料為天然氣的燃燒裝置稱為天然氣燒嘴。河北窯爐燒嘴廠商</p><p style="text-indent:25px">一般燒嘴噴出速度只有幾米到幾十米/秒。河北窯爐燒嘴廠商</p><p style="text-indent:25px">燒嘴壓差一旦波動就意味著燒嘴運行進(jìn)入計算時間。嚴(yán)格工藝紀(jì)律，該停車就停車，不能拖拖拉拉，抱僥幸！這個燒嘴運行到40多天后燒嘴壓差就開始波動，較負(fù)值，后來燒嘴壓差又慢慢回到正常值，又運行了半個多月，突然間盤管泄漏，造成切斷閥關(guān)不上，回水管過火！設(shè)計生產(chǎn)高速燒嘴也是低 NO 燒嘴?？蓽p少燒嘴數(shù)目,應(yīng)用普通燒嘴時, 需采用數(shù)量較多的燒嘴來保證時, 需采用數(shù)量較多的燒嘴來保證爐溫均勻, 而高速氣流能夠使?fàn)t溫均勻,故可使燒嘴數(shù)量減少,便于自動控制。該燒嘴的缺點需要較高的燃?xì)?、空氣壓力。燃燒室要求特殊的耐高溫、耐沖刷材料。 (2)天然氣高速燒嘴的類型:高速燒嘴可使用氣體燃料和液體燃料。通常是采用氣體燃料和輕質(zhì)燃油, 目的是為了便于組織燃燒和方便調(diào)節(jié)。河北窯爐燒嘴廠商</p><p style="text-indent:25px">中山市瓦達(dá)斯熱能設(shè)備技術(shù)有限公司致力于機(jī)械及行業(yè)設(shè)備，是一家貿(mào)易型的公司。公司自成立以來，以質(zhì)量為發(fā)展，讓匠心彌散在每個細(xì)節(jié)，公司旗下燒嘴，蝶閥，調(diào)壓閥，燃燒控制器深受客戶的喜愛。公司從事機(jī)械及行業(yè)設(shè)備多年，有著創(chuàng)新的設(shè)計、強(qiáng)大的技術(shù)，還有一批**的專業(yè)化的隊伍，確保為客戶提供良好的產(chǎn)品及服務(wù)。瓦達(dá)斯熱能立足于全國市場，依托強(qiáng)大的研發(fā)實力，融合前沿的技術(shù)理念，飛快響應(yīng)客戶的變化需求。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/1860381.html</p></div></div></div></div></div><div id="ilnz7v7" class="page-right twoColRt"><div id="8oahoqs" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="kxxz2zd" 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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