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id="d7zev7s" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="2g3h8ug" class="box"><p><p style="text-indent:25px">電極是燒嘴點(diǎn)火中常用的設(shè)備，在更換電極或是初次使用燒嘴時(shí)，需要特別注意觀察火花間隙，過大過小都對成功點(diǎn)火不利。電極檢測火焰時(shí)一定要將控制器中的地線有效接地，否則可能導(dǎo)致檢測失敗。正確選擇點(diǎn)火控制器及點(diǎn)火高壓包非常重要，控制器應(yīng)選擇性能穩(wěn)定的設(shè)備，這樣可以降低點(diǎn)火失敗的頻率。無論任何類型的燒嘴都有一個(gè)點(diǎn)火過程，由于對產(chǎn)品性能的不熟悉，湛江點(diǎn)火器工作原理，湛江點(diǎn)火器工作原理，或者不了解基本的點(diǎn)火操作流程，湛江點(diǎn)火器工作原理，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。要考慮燒嘴功率大小，功率小的燒嘴可使用簡易一體式點(diǎn)火控制器。湛江點(diǎn)火器工作原理</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="湛江點(diǎn)火器工作原理,點(diǎn)火控制器" src="https://tyunfile.71360.com/UploadFile/wds2020/637312057046865234/2824484.png"></div><p style="text-indent:25px">熄火保護(hù)系統(tǒng)是由點(diǎn)火控制器、電磁閥和火焰檢測共同完成，火焰檢測方式以紫外線檢測和電極檢測兩種形式為主。利用火焰的導(dǎo)電性，燃燒過程中電路通路，產(chǎn)生微弱電流，經(jīng)信號放大器放大后感應(yīng)到火焰是否存在，小功率燒嘴采用這種檢測方式較多，經(jīng)濟(jì)實(shí)用。另外一種是紫外線探頭檢測，利用設(shè)備只能對火焰紫外線敏感，對紅外線和外界環(huán)境的其他波長的關(guān)不感應(yīng)，確定燒嘴是否有火焰存在，將信號傳達(dá)給點(diǎn)火控制器。在點(diǎn)火調(diào)節(jié)期間，要經(jīng)常不斷地測定窯內(nèi)氣體的化學(xué)組成和溫度，至少30分鐘一次。根據(jù)氣體的組成判定煤氣燃燒的完全程度和空氣消耗系數(shù)。如果一氧化碳和氫的含量較高，則證明供入燃燒器的空氣不足，應(yīng)當(dāng)調(diào)節(jié)燒嘴減少燃燒的煤氣量或者增加助燃空氣量。而窯內(nèi)氣體中氧的含量較高，則應(yīng)降低窯內(nèi)的空氣量。湛江點(diǎn)火器工作原理點(diǎn)火器既能兼顧燃油、燃?xì)鈨煞N條件，同時(shí)對原發(fā)動(dòng)機(jī)壓縮比和燃燒結(jié)構(gòu)等均不做變動(dòng)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="湛江點(diǎn)火器工作原理,點(diǎn)火控制器" src="https://tyunfile.71360.com/UploadFile/wds2020/637312057028525390/9853783.png"></div><p style="text-indent:25px">其中一種由熱電偶和安全電磁閥組成。燃?xì)馊紵?，熱電偶的端點(diǎn)因在高溫火焰中而產(chǎn)生電動(dòng)勢，電動(dòng)勢通過導(dǎo)線加到安全電磁閥的線圈上，產(chǎn)生的吸力吸住電磁閥的銜鐵，使燃?xì)饨?jīng)氣閥持續(xù)流向噴嘴，維持燃燒。因熱電偶的電動(dòng)勢比較弱（幾毫伏），電流比較?。◣资涟玻?，所以產(chǎn)生的吸力有限，一般要在點(diǎn)火瞬間給銜鐵一個(gè)外力，使銜鐵被吸住。當(dāng)火焰意外熄滅，熱電偶的溫度降低，產(chǎn)生的電動(dòng)勢接近消失，電磁閥的吸力也減弱而無法吸住銜鐵，這樣銜鐵在彈簧作用下被釋放，頭部的橡膠塊堵住燃?xì)饪?，氣閥被關(guān)閉。</p><p style="text-indent:25px">其中另一種由離子感應(yīng)和安全電磁閥組成。燃?xì)馊紵?，離子感應(yīng)針（也叫反饋針或火焰探針）的端點(diǎn)因在高溫火焰中而產(chǎn)生火焰離子信號發(fā)送到點(diǎn)火控制器來控制電路通電，電源通過導(dǎo)線加到安全電磁閥的線圈上，產(chǎn)生的吸力吸住電磁閥的銜鐵，使燃?xì)饨?jīng)氣閥持續(xù)流向噴嘴，維持燃燒。當(dāng)火焰意外熄滅，離子感應(yīng)針探測不到火焰，便自動(dòng)關(guān)閉電源通路，電磁閥失去電源維持，無法吸住銜鐵，這樣銜鐵在彈簧作用下被釋放，頭部的橡膠塊堵住燃?xì)饪?，氣閥被關(guān)閉。國標(biāo)規(guī)定，安全電磁閥的開啟時(shí)間小于15s，但廠家一般控制在3～5s；釋放時(shí)間規(guī)定為60s內(nèi)，廠家一般控制在10～20s。熱電偶頭部與火蓋之間的距離一般為3～4mm。點(diǎn)火電極位置不合適、燒嘴控制器故障、點(diǎn)火變壓器故障、接線問題。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="湛江點(diǎn)火器工作原理,點(diǎn)火控制器" src="https://tyunfile.71360.com/UploadFile/wds2020/637312056997783203/9546374.png"></div><p style="text-indent:25px">點(diǎn)火控制器給出點(diǎn)火信號，但火花塞不打火一般有以下幾點(diǎn)解決方案： 1、點(diǎn)火電極要與地極之間保持約2mm的較佳距離。 2、確認(rèn)燒嘴控制器到變壓器供電端子是否有電壓輸出，然后確認(rèn)點(diǎn)火變壓器是否完好或接線是否正確。 3、點(diǎn)火電極是否自身絕緣不好而短路，造成沒有在點(diǎn)火區(qū)域打火。需查看燒嘴內(nèi)部電極絕緣情況。 4、某些型號的點(diǎn)火控制器（例如BMU260）有點(diǎn)火前火焰驗(yàn)證功能，如果在點(diǎn)火前已經(jīng)探測到火焰信號，這時(shí)就會(huì)報(bào)警而不去執(zhí)行點(diǎn)火程序。這個(gè)功能能防止程序誤判而造成事故。要考慮燒嘴配套的爐窯類型，間歇式窯爐一般選用性能穩(wěn)定的點(diǎn)火器，連續(xù)式窯爐可適當(dāng)降低要求。揭陽點(diǎn)火器批發(fā)廠家</p><p style="text-indent:25px">一體化點(diǎn)火器：是指點(diǎn)火器與高壓包合并的點(diǎn)火器，外形與高壓包相似。湛江點(diǎn)火器工作原理</p><p style="text-indent:25px">燒嘴在啟動(dòng)階段和正常工作時(shí)，點(diǎn)火控制器都要實(shí)時(shí)監(jiān)測火焰狀態(tài)，當(dāng)火焰熄滅時(shí)，控制器要及時(shí)切斷燃?xì)夤?yīng)，保證系統(tǒng)安全。燒嘴在啟動(dòng)階段和正常工作時(shí)，點(diǎn)火控制器都要實(shí)時(shí)監(jiān)測火焰狀態(tài)，當(dāng)火焰熄滅時(shí)，控制器要及時(shí)切斷燃?xì)夤?yīng)，保證系統(tǒng)安全。我們由此看出，點(diǎn)火控制器常規(guī)工作模式下，對火焰的監(jiān)測時(shí)從頭至尾不間斷的，這也是保證燃?xì)馐褂冒踩闹匾胧?。但在使用一些爐溫較高的高溫設(shè)備時(shí)，控制器對火焰的監(jiān)測可能會(huì)受到這樣那樣的影響，比如：火焰監(jiān)測器接收到由爐壁反射來的紫外光而非來自所監(jiān)測燒嘴的火焰。從而導(dǎo)致系統(tǒng)誤判，影響系統(tǒng)正常運(yùn)行。湛江點(diǎn)火器工作原理</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，以科技創(chuàng)新實(shí)現(xiàn)***管理的追求。瓦達(dá)斯熱能作為研發(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。的企業(yè)之一，為客戶提供良好的燒嘴，蝶閥，調(diào)壓閥，燃燒控制器。瓦達(dá)斯熱能始終以本分踏實(shí)的精神和必勝的信念，影響并帶動(dòng)團(tuán)隊(duì)取得成功。瓦達(dá)斯熱能始終關(guān)注機(jī)械及行業(yè)設(shè)備行業(yè)。滿足市場需求，提高產(chǎn)品價(jià)值，是我們前行的力量。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/1234529.html</p></div></div></div></div></div><div id="blcelcj" class="page-right twoColRt"><div id="sh2mqry" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="wliuwik" 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) 信息推薦自業(yè)物資供應(yīng)" class="vcenter" 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