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class="wrap clearfix"><section class="container clearfix tcPro"><section class="home-main container clearfix"><div id="yqmdkxt" class="twoCol"><div id="23yoa3w" class="page-proshow clearfix"><p class="current"> 當(dāng)前位置:<a href="http://www.cdcfah.com/">首頁(yè)?<a href="http://www.cdcfah.com/cp/">產(chǎn)品供應(yīng)</a>?<a href="http://www.cdcfah.com/cp/first-_yiqiyibiao/">儀器儀表</a>?<a href="http://www.cdcfah.com/cp/second-yiqiyibiao_famen/">閥門</a>?<a href="http://www.cdcfah.com/cp/third-famen_ranqifa/">燃?xì)忾y</a>?廣州鑄鐵燒嘴哪家好服務(wù)至上中山市瓦達(dá)斯熱能設(shè)備供應(yīng)</p><div id="7jturza" class="leftbox clearfix"><h1>廣州鑄鐵燒嘴哪家好服務(wù)至上中山市瓦達(dá)斯熱能設(shè)備供應(yīng)</h1><div id="qjalxse" class="proBig"><div id="u82vh2i" class="bigimg"><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 id="8vm87ot" 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="sar4sht" 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>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>廣州鑄鐵燒嘴哪家好,天燃?xì)鉄?/p><p><span>***更新：</span>2020-12-08 08:14:32</p><p><span id="click" >瀏覽次數(shù)：1次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="3eqevwn" 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(hào)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="28mi8zg" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="n2qh42o" class="box"><p><p> 天然氣燒嘴按照空燃混合方式：擴(kuò)散式燒嘴：燃燒所需要的空氣不預(yù)先和天然氣混合。大氣式燒嘴：又稱半預(yù)混合天然氣燒嘴。燃燒所需要的空氣部分與天然氣混合。完全預(yù)混合式燒嘴：燃燒所需要的空氣預(yù)先和天然氣混合，一般多用在無焰燃燒類型的燒嘴上。特殊功能分類：可分為蓄熱式燒嘴、輻射管燒嘴、可調(diào)溫?zé)?、低氮燒嘴等多種新型節(jié)能燒嘴。用途:天然氣燒嘴是工業(yè)窯爐上常用的燃燒裝置，天然氣燒嘴性能的好壞將很大程度上影響產(chǎn)品的質(zhì)量，合理高效的天然氣燒嘴應(yīng)該能滿足窯爐的燃燒、加熱和產(chǎn)品工藝所滿要求的條件。燒嘴常識(shí):天然氣的燃燒一般分為三個(gè)過程：燃?xì)夂涂諝獾幕旌希换旌蠚怏w的升溫和著火；混合氣體的燃燒，廣州鑄鐵燒嘴哪家好?；鹧娣€(wěn)定的條件是，火焰?zhèn)鞑ニ俣群涂扇細(xì)怏w混合物的流動(dòng)速度大小相等方向相反。穩(wěn)定的燃燒：燃?xì)夂涂諝饣旌纤俣瘸^火焰?zhèn)鞑ニ俣葘?dǎo)致火焰離開穩(wěn)定點(diǎn)。燒嘴的回火：燃?xì)夂涂諝饣旌纤俣刃∮诨鹧鎮(zhèn)鞑ニ俣龋鹧嫦驘靸?nèi)部噴射，廣州鑄鐵燒嘴哪家好，廣州鑄鐵燒嘴哪家好。燒嘴的脫火和回火都不是理想燒嘴的燃燒狀態(tài)，燒嘴多采用穩(wěn)焰盤結(jié)構(gòu)來達(dá)到良好狀態(tài)。點(diǎn)火方式通過電極發(fā)出高壓點(diǎn)燃可燃?xì)怏w。廣州鑄鐵燒嘴哪家好</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="廣州鑄鐵燒嘴哪家好,天燃?xì)鉄? src="https://tyunfile.71360.com/UploadFile/wds2020/637311308103544921/495924.png"></div><p> 粗粒子長(zhǎng)期進(jìn)入煤漿泵會(huì)引起高壓煤漿泵墊缸的,也會(huì)引起煤漿波動(dòng),應(yīng)該及時(shí)在煤漿槽堆底排煤漿，我個(gè)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(huì)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(gè)缸不打量，不會(huì)出現(xiàn)你那種半卡的，而只是影響燒嘴壓差。燒嘴壓差波動(dòng)一般都在氣化爐運(yùn)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(jiǎn)單的一種情況，應(yīng)該從各個(gè)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(shí)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(dòng)較大；三、中心氧的問題，實(shí)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(dòng)，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(dòng)轉(zhuǎn)速、控制好爐溫。杭州冶煉燒嘴報(bào)價(jià)點(diǎn)火方式是用明火點(diǎn)燃可燃?xì)怏w。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="廣州鑄鐵燒嘴哪家好,天燃?xì)鉄? src="https://tyunfile.71360.com/UploadFile/wds2020/637311308209277343/1348764.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(huì)波動(dòng)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(yùn)行中反應(yīng)工藝燒嘴運(yùn)行工況的一個(gè)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(huì)隨著煤漿變化和氧量變化有一定的波動(dòng)（在未考慮燒嘴磨損的情況下），這種波動(dòng)值較?。划?dāng)然，在爐子運(yùn)行時(shí)間長(zhǎng)后，燒嘴被磨損后燒嘴壓差便會(huì)出現(xiàn)頻繁波動(dòng)，同時(shí)也會(huì)連帶著造成氧煤比波動(dòng)，此時(shí)也會(huì)出現(xiàn)偏噴現(xiàn)象，爐壁溫度也會(huì)出現(xiàn)波動(dòng)（多數(shù)會(huì)上漲）；直接影響氣化爐反應(yīng)情況，此時(shí)若該爐子運(yùn)行時(shí)間已經(jīng)較長(zhǎng)，則該考慮倒?fàn)t檢查。 </p><p style="text-indent:25px">無論任何類型的燒嘴都有一個(gè)點(diǎn)火過程，由于對(duì)產(chǎn)品性能的不熟悉，或者不了解基本的點(diǎn)火操作流程，可能在燒嘴初期點(diǎn)火時(shí)遇到點(diǎn)火故障，這往往影響整個(gè)工程項(xiàng)目的進(jìn)度。電離式檢測(cè)方式下，檢測(cè)不到電流有幾種情況： 1.燒嘴接地是否良好（要求燒嘴與點(diǎn)火控制器之間共地）。 2.空燃比不合適造成的火焰不規(guī)則，無法監(jiān)測(cè)到連續(xù)穩(wěn)定信號(hào)。 3.檢測(cè)電極和燒嘴內(nèi)部是否短路而干擾微安電流回到燒嘴控制器內(nèi)。 4.檢測(cè)微安電流可以用微安表，一端接在監(jiān)測(cè)電極，另一端接在燒嘴控制器信號(hào)回路上，查看是否有μA電流經(jīng)過，一般要求大于2μA平焰燒嘴：火焰緊貼爐墻或是爐頂內(nèi)部向四周均勻伸展的圓盤形狀噴出。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="廣州鑄鐵燒嘴哪家好,天燃?xì)鉄? src="https://tyunfile.71360.com/UploadFile/wds2020/637311307973408203/2278180.png"></div><p style="text-indent:25px"> 燒嘴的特點(diǎn)是燃料在燒嘴的燃燒室內(nèi)完全燃燒后產(chǎn)生的熱氣在高溫下急劇膨脹,在噴口形成高速氣流,當(dāng)燒嘴在滿負(fù)荷時(shí)(額定功率),噴出的氣流速度較高,為了充分利用高速燒嘴的這一特性,提出了對(duì)燒嘴實(shí)現(xiàn)大小火控制的要求。對(duì)燒嘴實(shí)現(xiàn)連續(xù)調(diào)節(jié)時(shí),是調(diào)節(jié)進(jìn)入燒嘴的燃料的流量,從而達(dá)到調(diào)節(jié)燒嘴燃燒功率的目的,進(jìn)入燒嘴的燃料量越大 ,燒嘴輸出的熱功率也就越高,反之就越小,燃料的流量對(duì)應(yīng)燒嘴的輸出功率.我們?nèi)挝粫r(shí)間內(nèi)進(jìn)入燒嘴燃料的平均流量,對(duì)其進(jìn)行較大和較小兩段分配,使其平均流量和燒嘴在這段時(shí)間內(nèi)所需要的能力相符合,從而同樣達(dá)到了對(duì)燒嘴燃燒功率的調(diào)節(jié)。當(dāng)煤氣流速等于空氣流速時(shí)，著火燃燒點(diǎn)就會(huì)在距燃燒器出口的定距離處燃燒，火焰剛直有力。碳化硅燒嘴廠家有哪些</p><p style="text-indent:25px">燒嘴可分為蓄熱式燒嘴、輻射管燒嘴、可調(diào)溫?zé)?、低氮燒嘴等多種新型節(jié)能燒嘴。廣州鑄鐵燒嘴哪家好</p><p style="text-indent:25px">燒嘴熄火原因分析：一次風(fēng)配比過低時(shí)，加熱爐效率就會(huì)降低。一次風(fēng)配比過高時(shí)，火焰很短，根部與燒嘴明顯脫節(jié)，會(huì)被吹離燒嘴而引起熄火。二次風(fēng)配比過低時(shí)，空氣過剩系數(shù)小，燃燒熱效率高，燃?xì)鉂舛却?，火焰?zhèn)鞑ニ俣鹊?，?dāng)火焰?zhèn)鞑ニ俣刃∮诨旌先紵龤怏w噴射速度時(shí)，火焰會(huì)被吹離燒嘴而引起熄火。二次風(fēng)配比過高時(shí)，加熱爐熱效率降低爐膛負(fù)壓過高時(shí)，漏風(fēng)量增加，燃燒熱效率降低。爐膛負(fù)壓過低時(shí)，混合燃燒氣體中空氣流速降低，火焰?zhèn)鞑ニ俣冉档蛯?dǎo)致熄火(爐外大氣壓降低也是爐膛負(fù)壓過低的原因之一) 燃?xì)鈬娚渌俣瘸^燒嘴比較大負(fù)荷時(shí)，火焰?zhèn)鞑ニ俣刃∮诨旌先紵龤怏w噴射速度，火焰很長(zhǎng)，根部與燒嘴明顯脫節(jié)，會(huì)被吹離燒嘴而引起熄火燃?xì)鈬娚渌俣鹊陀跓毂容^大負(fù)荷時(shí)，火焰?zhèn)鞑ニ俣却笥诨旌先紵龤怏w噴射速度，火焰很短，根部向燒嘴口收縮，可能逆流進(jìn)燒嘴口而引起熄火燒嘴設(shè)計(jì)負(fù)荷偏大時(shí)，若不采取有效措施，將導(dǎo)致混合燃燒氣體噴射速度降低而引起熄火。廣州鑄鐵燒嘴哪家好</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(gè)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。公司秉持誠(chéng)信為本的經(jīng)營(yíng)理念，在機(jī)械及行業(yè)設(shè)備深耕多年，以技術(shù)為先導(dǎo)，以自主產(chǎn)品為重點(diǎn)，發(fā)揮人才優(yōu)勢(shì)，打造機(jī)械及行業(yè)設(shè)備良好品牌。瓦達(dá)斯熱能憑借創(chuàng)新的產(chǎn)品、專業(yè)的服務(wù)、眾多的成功案例積累起來的聲譽(yù)和口碑，讓企業(yè)發(fā)展再上新高。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2317674.html</p></div></div></div></div></div><div id="2zu4dul" class="page-right twoColRt"><div id="b7je4pa" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="28rdms7" class="recomPic likePro"><a 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