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#f30;"></span></p><p><span>產(chǎn)品關鍵詞：</span>點火燒嘴工作原理,天燃氣燒嘴</p><p><span>***更新：</span>2020-11-24 10:21:22</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="ds249tl" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">中山市瓦達斯熱能設備技術(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: </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="gfh2vm3" class="page-proshow02"><p class="title">詳細說明</p><div id="3ulspbv" class="box"><p><p style="text-indent:25px"> 再來說一下千瓦的概念，早期它是作為電的功率單位，后來延伸到了整個物理領域功率的單位。在單位換算中1KW=1000W，1W的定義是1J/s，相對應的1KW=1000J/s=3600KJ/h，到這里再來看一下熱負荷的概念，就不難想明白燒嘴中熱負荷和千瓦的聯(lián)系了。焦耳作為國際通用單位在全世界都在使用，致誠熱能經(jīng)常碰到一些老工程師些喜歡使用卡作為能量單位，所以有些工程師提高燒嘴的功率時經(jīng)常說多少多少大卡的設備。也有直接說單位時間燒嘴的耗氣量的，這種表達一般都能理解。如以230KW天然氣燒嘴為例，它的熱負荷是230KW，點火燒嘴工作原理，即每小時熱負荷82.8萬千焦熱量，用大卡的單位表示是每小時約20萬大卡熱量，點火燒嘴工作原理，相應的每小時消耗的天然氣約23立方。了解完這些，對燃燒器功率單位方面的問題應該就能解決了，再進行設備選型及咨詢時不至于一頭霧水了。大氣式燒嘴:一次空氣系數(shù)在0.2～0，點火燒嘴工作原理.8之間，剩余的依靠二次空氣。點火燒嘴工作原理</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="點火燒嘴工作原理,天燃氣燒嘴" src="https://tyunfile.71360.com/UploadFile/wds2020/637311308103544921/495924.png"></div><p style="text-indent:25px">下面來分析一下燒嘴點火故障原因及解決辦法：一、一般燒嘴都配備有點火電極及通常所說的火花塞。首先觀察火花塞是否正常打火，若不打火，請確認以下條件： 1.點火電極要與地極之間保持約2mm的較佳距離。 2.點火變壓器是否有高壓輸出：先確認燒嘴控制器的變壓器供電端子是否有電壓輸出，然后確認點火變壓器是否完好或接線是否正確。 3.點火電極是否在燒嘴內(nèi)部短路，造成沒有在點火區(qū)域打火，需查看燒嘴內(nèi)部電極絕緣情況。這個是過去在使用高壓點火變壓器、點火電極打火常見問題，現(xiàn)在大多數(shù)場合已改用高能點火裝置，這個利用半導體放電，抗潮濕抗積碳具有自凈能力，而且在點火時不需要調(diào)整點火距離。窯爐燒嘴可以定制嗎部分（或全部）燒嘴可通過某些方式（包括PWM技術(shù)）調(diào)節(jié)燃燒輸出的熱量來控制輸出溫度。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="點火燒嘴工作原理,天燃氣燒嘴" src="https://tyunfile.71360.com/UploadFile/wds2020/637311308122392578/2859037.png"></div><p> 燃氣爐窯新建或是燃料改造中，中威爐業(yè)認為要從多方面進行考慮：燃氣燒嘴的選型、空氣過剩系數(shù)的設定、燃氣管路的設計等。首先燒嘴的選型是**基本的一項。當確定燃氣種類后，下一步要確定的是燒嘴的類型和功率的大小，這里不再詳細介紹，以適合自己爐窯為準，并不是高級的復雜就是**適合的。其次燃燒系統(tǒng)中空氣過剩系數(shù)的確定。這里**主要牽涉到風機的選擇，一般以高壓離心風機選用較多。對風機的風量和風壓的選擇非常重要?？諝膺^剩系數(shù)過大或是過小火焰都將不能正常傳播。燃燒過程中火焰不可避免的要向四周環(huán)境散失一部分熱量，當混合物的理論溫度升高時，火焰鋒面可以達到理論燃燒溫度，此時散熱可以忽略不計。當過剩系數(shù)過大或是過小時燃氣的濃度過高或過低，燃燒產(chǎn)生的熱本身就太少了，再加之存在散熱，結(jié)果火焰鋒面的實際燃燒溫度就更低了，火焰鋒面內(nèi)的燃燒化學熱反應就難以維持，火焰?zhèn)鞑バЧ麡O差。 </p><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度。首先，針對使用壽命較短問題，選取不同材質(zhì)的燒嘴進行試驗對比，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。燃燒速度與燃燒完全度主要取決于煤氣和空氣的混合速度。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="點火燒嘴工作原理,天燃氣燒嘴" src="https://tyunfile.71360.com/UploadFile/wds2020/637311308442109375/3515817.png"></div><p style="text-indent:25px">無論任何類型的燒嘴都有一個點火過程，由于對產(chǎn)品性能的不熟悉，或者不了解基本的點火操作流程，可能在燒嘴初期點火時遇到點火故障，這往往影響整個工程項目的進度。電離式檢測方式下，檢測不到電流有幾種情況： 1.燒嘴接地是否良好（要求燒嘴與點火控制器之間共地）。 2.空燃比不合適造成的火焰不規(guī)則，無法監(jiān)測到連續(xù)穩(wěn)定信號。 3.檢測電極和燒嘴內(nèi)部是否短路而干擾微安電流回到燒嘴控制器內(nèi)。 4.檢測微安電流可以用微安表，一端接在監(jiān)測電極，另一端接在燒嘴控制器信號回路上，查看是否有μA電流經(jīng)過，一般要求大于2μA點火方式是用明火點燃可燃氣體。青島鋁合金燒嘴</p><p style="text-indent:25px">燒嘴的適用領域比一體化燃燒器要廣。點火燒嘴工作原理</p><p> 燒嘴在啟動階段和正常工作時，燒嘴控制器都要實時監(jiān)測火焰狀態(tài)，當火焰熄滅時，控制器要及時切斷燃氣供應，保證系統(tǒng)安全。 </p> <p> 下面以SFD258控制器為例： </p> <p> 1、啟動時沒有監(jiān)測到火焰信號，控制器切斷燃氣閥，輸出報警。 </p> <p> 2、啟動時自檢階段，控制器尚未開燃氣閥而檢測到火焰信號，說明有干擾信號，輸出報警。 </p> <p> 3、燒嘴正常運行中火焰信號中斷，控制器切斷燃氣閥，輸出報警。 </p> <p> 我們由此看出，燒嘴控制器常規(guī)工作模式下，對火焰的監(jiān)測時從頭至尾不間斷的，這也是保證燃氣使用安全的重要措施。點火燒嘴工作原理</p><p style="text-indent:25px">中山市瓦達斯熱能設備技術(shù)有限公司致力于機械及行業(yè)設備，是一家貿(mào)易型公司。公司業(yè)務涵蓋燒嘴，蝶閥，調(diào)壓閥，燃燒控制器等，價格合理，品質(zhì)有保證。公司從事機械及行業(yè)設備多年，有著創(chuàng)新的設計、強大的技術(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。瓦達斯熱能秉承“客戶為尊、服務為榮、創(chuàng)意為先、技術(shù)為實”的經(jīng)營理念，全力打造公司的重點競爭力。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2125393.html</p></div></div></div></div></div><div id="xheqnu7" class="page-right twoColRt"><div id="2aryf78" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="po2rikj" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img 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