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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>上海冶煉燒嘴哪家好,天燃?xì)鉄?/p><p><span>***更新：</span>2020-12-19 05:11:28</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="7wjgyfh" 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="kzw87wt" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="2giprt2" class="box"><p><p style="text-indent:25px"> 為降低窯尾氮氧化物排放，煉鋼部管理人員和技術(shù)人員先后考察了窯尾脫硝裝置，但由于其高昂的設(shè)備投資、較高的運(yùn)行成本和設(shè)備較大占地面積，上海冶煉燒嘴哪家好，不適用煉鋼部回轉(zhuǎn)窯。該部技術(shù)人員從氮氧化物生成機(jī)理著手研究，與某燒嘴廠家共同設(shè)計開發(fā)出一套適用于大型冶金石灰回轉(zhuǎn)窯的**燒嘴，并啟動了回轉(zhuǎn)窯低氮燒嘴升級改造工程。該**燒嘴能有效化解氮氧化物生成的因素，上海冶煉燒嘴哪家好，延長煅燒區(qū)域、降低煅燒區(qū)溫度、提高窯尾溫度，使氮氧化物排放量大幅度降低，推動煉鋼部回轉(zhuǎn)窯率先跨入合格排放行列。同時，該**燒嘴可使噸白灰煤氣能耗降低11.8%，實現(xiàn)“節(jié)能、減排”雙重功效，具有較高的應(yīng)用價值和推廣價值，上海冶煉燒嘴哪家好。特征是燒嘴出口采用了喇叭口形狀的燒嘴磚(見圖)，使火焰形成厚100~200mn 直徑600- 2000mm 的貼壁圓盤形火焰。上海冶煉燒嘴哪家好</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海冶煉燒嘴哪家好,天燃?xì)鉄? src="https://tyunfile.71360.com/UploadFile/wds2020/637311308122392578/2859037.png"></div><p style="text-indent:25px"> 在早期的使用過程中，車間發(fā)現(xiàn)主燒嘴存在諸多缺陷：一是使用壽命短，更換頻繁導(dǎo)致燃燒室溫度波動，既增加生產(chǎn)成本，又影響生產(chǎn)組織，影響爐窯壽命。二是燒嘴積碳清理裝置拉桿向外伸出，影響工作通行，存在安全隱患。三是無觀察孔，無法了解燒嘴積碳情況和爐內(nèi)天然氣燃燒狀況，加大了積碳清理的頻次和勞動強(qiáng)度。首先，針對使用壽命較短問題，選取不同材質(zhì)的燒嘴進(jìn)行試驗對比，材質(zhì)為316s不銹鋼燒嘴投入使用一個多月，管壁被燒穿，影響燃燒效果；另一種310S耐熱不銹鋼燒嘴經(jīng)投入使用一年多，未發(fā)現(xiàn)燒穿現(xiàn)象，效果理想。以一臺爐18個燒嘴來計算，10臺爐一年可節(jié)省126萬元。河北燃?xì)鉄炷募液命c火燒嘴是燃燒設(shè)備的重要組成部分，它有助于燃料的著火和火焰的穩(wěn)定。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海冶煉燒嘴哪家好,天燃?xì)鉄? src="https://tyunfile.71360.com/UploadFile/wds2020/637311307973408203/2278180.png"></div><p style="text-indent:25px"> 原燒嘴長度較短，沒有伸出保溫墻外，使用一段時間后，燒嘴出口的壁面上結(jié)滿積碳，很難清理，影響燃燒效果；且原燒嘴未設(shè)觀察孔，操作工無法探知燒嘴內(nèi)部是否積碳和燃燒狀況，故要求操作工每天每個燒嘴都要清理一次，如按10臺爐塔來算，每天要清理180個燒嘴，工作強(qiáng)度大。經(jīng)過將主燒嘴加長、增設(shè)觀察孔等改進(jìn)措施后，清理變得更加有針對性，不需要逐一盲目清理，勞動強(qiáng)度大降低；并使積碳清理裝置推桿與燒嘴徹底分離，杜絕了因推桿過長阻擋工作通道而造成的安全隱患；另外，通過觀察孔還可以觀察到天然氣的燃燒狀況，判斷爐內(nèi)天然氣燃燒是否過剩并加以調(diào)整，從而起到節(jié)能降耗作用。</p><p style="text-indent:25px">燃油燒嘴 1.1 按霧化方法分類 1.1.1 壓力霧化燒嘴壓力霧化燒嘴是靠燃油自身的壓力轉(zhuǎn)化為噴射動能，通過液膜或液柱受空氣的剪切擾動而使燃油霧化。這種燒嘴的優(yōu)點是結(jié)構(gòu)簡單、運(yùn)行成本低。缺點是當(dāng)負(fù)荷變小時霧化顆粒度及平均尺寸迅速增加燃燒效率降低且小流量燒嘴易堵賽和結(jié)焦。 1.1.2 機(jī)械霧化燒嘴機(jī)械霧化燒嘴是將燃油的機(jī)械能轉(zhuǎn)化為霧化能量，常見機(jī)械霧化燒嘴是轉(zhuǎn)杯式霧化燒嘴。此類燒嘴對機(jī)械能要求較高，一般要求非常高的轉(zhuǎn)速才能霧化所需的剪切力。 1.1.3 氣動霧化燒嘴氣動霧化燒嘴是利用空氣或蒸氣的高速運(yùn)動對液膜或液柱進(jìn)行撞擊、剪切、旋轉(zhuǎn)。氣液兩相產(chǎn)生相對高的相對速度來實現(xiàn)破碎霧化。氣動霧化燒嘴的優(yōu)點是調(diào)節(jié)范圍廣、霧化性能好。直焰燒嘴：又稱長焰燒嘴，火焰較長，一般窯爐上采用較多。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海冶煉燒嘴哪家好,天燃?xì)鉄? src="https://tyunfile.71360.com/UploadFile/wds2020/637311305644951171/9661393.png"></div><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:天然氣的燃燒一般分為三個過程：燃?xì)夂涂諝獾幕旌?；混合氣體的升溫和著火；混合氣體的燃燒。火焰穩(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。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。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)。不同于小型鍋爐上用的一體化燃燒器，因為都屬于燃燒器，所以二者的概念很容易在生產(chǎn)實踐中被混淆。自身預(yù)熱式燒嘴</p><p style="text-indent:25px">燒嘴按點火方式分為兩種：一種是自動點火，一種是人工點火。上海冶煉燒嘴哪家好</p><p style="text-indent:25px"> 碳化硅噴火嘴到底有多耐高溫：碳化硅噴火嘴的應(yīng)用領(lǐng)域十分的普遍，良好的性能擁有眾多青睞者。風(fēng)華英泰陶瓷是專門供應(yīng)碳化硅噴火嘴的廠家，產(chǎn)品質(zhì)量保障，性能穩(wěn)定，價格實惠，獲得客戶一致好評。都說碳化硅材質(zhì)堅硬、耐高溫，那它到底多耐高溫？整理了一些資料，碳化硅是人工合成的高級無機(jī)非金屬材料，由共價健結(jié)合，硬度僅次于金剛石，熔點2600℃，真密度3.21g/cm3。熱導(dǎo)率達(dá)8.37W/m?k ，其理論密度為3.18g/cm2,比重為3.20-3.25,顯微硬度為2840-3320kg/m2,莫氏硬度在9.2-9.3之間。由于其晶體內(nèi)部雜質(zhì)含量很少，同時結(jié)合使用情況,常采用表層雜質(zhì)分析法.分析項目有游離碳、游離硅加二氧化硅、碳化硅、三氧化二鐵、總碳等。上海冶煉燒嘴哪家好</p><p style="text-indent:25px">中山市瓦達(dá)斯熱能設(shè)備技術(shù)有限公司是一家研發(fā)、生產(chǎn)、加工、銷售：熱能設(shè)備、電氣控制設(shè)備、燃控設(shè)備、燃?xì)庠O(shè)備配件；熱能設(shè)備安裝、調(diào)試及售后服務(wù)。公司是國內(nèi)燃控類產(chǎn)品生產(chǎn)配套齊全的公司之一，產(chǎn)品線涵蓋了燒嘴，控制器，燃?xì)忾y件，執(zhí)行器等各大種類。的公司，是一家集研發(fā)、設(shè)計、生產(chǎn)和銷售為一體的專業(yè)化公司。公司自創(chuàng)立以來，投身于燒嘴，蝶閥，調(diào)壓閥，燃燒控制器，是機(jī)械及行業(yè)設(shè)備的主力軍。瓦達(dá)斯熱能不斷開拓創(chuàng)新，追求出色，以技術(shù)為先導(dǎo)，以產(chǎn)品為平臺，以應(yīng)用為重點，以服務(wù)為保證，不斷為客戶創(chuàng)造更高價值，提供更優(yōu)服務(wù)。瓦達(dá)斯熱能創(chuàng)始人王明旺，始終關(guān)注客戶，創(chuàng)新科技，竭誠為客戶提供良好的服務(wù)。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2466959.html</p></div></div></div></div></div><div id="8wnhqnu" class="page-right twoColRt"><div id="v8nzwol" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="vk3htax" class="recomPic likePro"><a 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