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id="szblxjg" class="leftbox clearfix"><h1>惠州點火器工作原理誠信互利中山市瓦達(dá)斯熱能設(shè)備供應(yīng)</h1><div id="vdisfme" class="proBig"><div id="bspkmov" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/wds2020/637312057081904297/9771653.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="9cm2cmt" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/wds2020/637312057081904297/9771653.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="sfsxtkc" 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>惠州點火器工作原理,點火控制器</p><p><span>***更新：</span>2021-02-03 01:09:45</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="ewtl2l4" 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="gbtlnzw" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="r7fxf7l" class="box"><p><p style="text-indent:25px">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SFD 258內(nèi)。 4. 檢測微安電流可以用微安表，惠州點火器工作原理，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，惠州點火器工作原理。燒嘴點火后，調(diào)節(jié)燒嘴使煤氣和空氣的流量約等于額定流量的80%，這時要注意燒嘴處有無負(fù)壓，惠州點火器工作原理，必要時調(diào)節(jié)抽風(fēng)使燒嘴處的壓力達(dá)到-20～-30Pa。燒嘴控制器的高溫模式不**只用于高溫設(shè)備，還可以使用在一些我們主觀上不想受火焰信號影響的場合。惠州點火器工作原理</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="惠州點火器工作原理,點火控制器" src="https://tyunfile.71360.com/UploadFile/wds2020/637312057081904297/9771653.png"></div><p style="text-indent:25px">點火時，按壓旋塞閥并旋轉(zhuǎn)，在按壓旋塞閥時旋塞閥內(nèi)的頂桿克服電磁閥的彈簧力將電磁閥頂開，燃?xì)馔ㄟ^閥體、管道進(jìn)入燃燒器被點火裝置點燃．這時還須按壓住旋塞閥保持電磁閥開閥狀態(tài)，直至熱電偶被加熱所產(chǎn)生的熱電勢足以維持電磁閥的吸合狀態(tài)時，再松開旋鈕，這時燃?xì)庠罹呔涂梢哉Ｈ紵恕０磯盒y的時間一般為1秒～5秒。離子感應(yīng)針式熄火保護(hù)工作的原理是借助火焰中的正負(fù)離子，通過離子針形成電流，電流作用于電磁閥驅(qū)動進(jìn)氣閥門保持打開狀態(tài)；當(dāng)火焰熄滅時，電流消失，進(jìn)氣閥門關(guān)閉，切斷氣源。離子感應(yīng)靈敏度相對熱電偶稍高，但目前國標(biāo)以熱電偶為主。點火時，按下旋鈕，點火開關(guān)動作，脈沖點火控制器開始點火，啟動電磁閥，打開燃?xì)馔?，燃?xì)饬鞒龌鹕w被高壓電火花點燃?；鹧鏅z測針檢測到火焰信號后，將信號反饋給脈沖點火控制器，相關(guān)委托火焰燃燒正常，進(jìn)入正常燃燒狀態(tài)。當(dāng)火焰意外熄滅時，火焰信號停止傳送，脈沖點火控制器斷開電磁閥的供電，停止燃?xì)夤?yīng)，進(jìn)入保護(hù)狀態(tài)?；葜蔹c火器工作原理一體化點火器是指點火器與高壓包合并的點火器，外形與高壓包相似。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="惠州點火器工作原理,點火控制器" src="https://tyunfile.71360.com/UploadFile/wds2020/637312057046865234/2824484.png"></div><p style="text-indent:25px">由于點火燒嘴的安裝位置往往在燃燒器殼體內(nèi)部或旁邊，噴口接近主燃燒器噴口，如果點火燒嘴的噴出壓力等于或小于主燃燒器噴出壓力，就會被主燃燒器噴出氣流壓制，容易導(dǎo)致火焰不穩(wěn)定甚至熄火。配置大功率燒嘴**點火控制器，要能實現(xiàn)雙路火焰監(jiān)測，且互相不能干擾。為安全考慮，大功率燃燒器的點火必須經(jīng)火焰監(jiān)測裝置驗證，確保點火點燃以后，主燃?xì)饪刂崎y才能打開，點燃主火焰，并要實時監(jiān)測主燒嘴火焰。一旦主燒嘴火焰熄滅，必須輸出報警并切斷燃?xì)夤?yīng)。點火燒嘴控制器能夠自動點火，雙路火焰監(jiān)測，熄火安全鎖定功能。點火安全時間為5s，熄火安全時間為1s。</p><p style="text-indent:25px">能夠正常點火但著火幾十秒鐘后自行熄滅，這種故障現(xiàn)象的典型原因是燃燒器配件的火焰?zhèn)鞲衅髋K污?；鹧?zhèn)鞲衅魇且粋€光敏電阻當(dāng)受光照射時其自身電阻值下降呈低阻抗?fàn)顟B(tài)當(dāng)無光照射時電阻值上升呈高阻抗?fàn)顟B(tài)。燃燒器中的控制器根據(jù)火焰?zhèn)鞲衅鞯碾娮柚祦砼袛嗳紵^程是否持續(xù)若燃燒停止火焰?zhèn)鞲衅鞒矢咦杩箘t立即停止供油以防止未燃燒的柴油積存?；鹧?zhèn)鞲衅魈筋^位于燃燒器的風(fēng)道內(nèi)，由于冒黑煙、回火、送風(fēng)塵土等原因其表面很容易臟污從而失去感光功能。檢查傳感器探頭，必要時用酒精或清洗劑清潔其表面。對于交流點火器，其電源輸入端通常可以接受二百伏的脈沖電壓，對電瓶的12V電壓幾乎沒反應(yīng)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="惠州點火器工作原理,點火控制器" src="https://tyunfile.71360.com/UploadFile/wds2020/637312057010712890/4709630.png"></div><p style="text-indent:25px"> 目前燒嘴上配套的自動點火控制器分為很多類型，眾多類型中各自有其適用的工況，各個型號本身不存在好壞之分，但選型不當(dāng)，可能導(dǎo)致無法正常工作，甚至導(dǎo)致整個系統(tǒng)紊亂，本文簡單介紹點火控制器在選型配套上的常見問題。燒嘴的自動點火過程屬于一個簡易閉環(huán)系統(tǒng)，以大科自動點火控制系統(tǒng)來講分為控制分析系統(tǒng)、檢測系統(tǒng)、執(zhí)行系統(tǒng)?？刂品治鱿到y(tǒng)由控制器及火焰檢測器組成；檢測系統(tǒng)由離子針或火焰光敏探頭組成；執(zhí)行結(jié)構(gòu)由電動閥門、點火線圈組成。不同的場合每個系統(tǒng)中的配件會有所不同，但基本配置都是大同小異的。點火控制器的高溫模式是將火焰監(jiān)測回路脫開，而不再對火焰進(jìn)行實時監(jiān)測的一種工作方式?；葜蔹c火器工作原理</p><p style="text-indent:25px">配置大功率燒嘴**點火控制器，要能實現(xiàn)雙路火焰監(jiān)測，且互相不能干擾?；葜蔹c火器工作原理</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）的端點因在高溫火焰中而產(chǎn)生火焰離子信號發(fā)送到點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間小于15s，但廠家一般控制在3～5s；釋放時間規(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。惠州點火器工作原理</p></p><br /><p>文章來源地址: 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