国产成人亚洲精品无码av大片_超低氮燃燒機的原理-公司新聞-濟南裕航環(huán)?？萍加邢薰?/title> <meta name="keywords" content=""> <meta name="description" content="超低氮燃燒機的低NOx預燃室降低NOx排放的原理：低NOx預燃室燃燒器預燃室是近10年研究的一種率、低NOx分級燃燒技術(shù)，預燃室一般由一次風(fēng)（或二次風(fēng)）和燃料噴射系統等組成，燃料和一次風(fēng)快速混合，在預燃室內一次燃燒區形成富燃料混合物，由于缺氧，只是部分燃料進(jìn)行燃燒，燃料在貧氧和火焰溫度較低的一次火焰區內析出揮發(fā)分，因此減少了NOx的生成。超低氮燃燒機還有關(guān)于濃淡型降低NOx排"> <link rel="stylesheet" href="http://www.cnrqhm.com/static/pc/css/init.css"> <link rel="stylesheet" href="http://www.cnrqhm.com/static/pc/css/owl.carousel.min.css"> <link rel="stylesheet" href="http://www.cnrqhm.com/static/pc/css/swiper.min.css"> <link rel="stylesheet" href="http://www.cnrqhm.com/static/pc/css/animate.min.css"> <link rel="stylesheet" href="http://www.cnrqhm.com/static/pc/css/ws.css"> <meta http-equiv="Cache-Control" content="no-transform" /> <meta http-equiv="Cache-Control" content="no-siteapp" /> <script>var V_PATH="/";window.onerror=function(){ return true; };</script> </head> <body> <div 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瀏覽次數：1184</span></div> <div id="iivkclq" class="w mt20 fz14 lh2b"> <p><span style="font-family: Helvetica;color: rgb(47, 47, 47);letter-spacing: 0;font-size: 14px"><span style="font-family:Helvetica">超低氮燃燒機的低</span>NOx預燃室降低NOx排放的原理：低NOx預燃室燃燒器預燃室是近10年研究的一種率、低NOx分級燃燒技術(shù)，預燃室一般由一次風(fēng)（或二次風(fēng)）和燃料噴射系統等組成，燃料和一次風(fēng)快速混合，在預燃室內一次燃燒區形成富燃料混合物，由于缺氧，只是部分燃料進(jìn)行燃燒，燃料在貧氧和火焰溫度較低的一次火焰區內析出揮發(fā)分，因此減少了NOx的生成。</span><span style="font-family: Helvetica;color: rgb(47, 47, 47);letter-spacing: 0;font-size: 14px"><br/></span><span style="font-family: Helvetica;color: rgb(47, 47, 47);letter-spacing: 0;font-size: 14px"> </span><span style="font-family: Helvetica;color: rgb(47, 47, 47);letter-spacing: 0;font-size: 14px"><br/></span><span style="font-family: Helvetica;color: rgb(47, 47, 47);letter-spacing: 0;font-size: 14px"> 超低氮燃燒機還有關(guān)于濃淡型降低NOx排放的原理：濃淡型燃燒器其原理是使一部分燃料作過(guò)濃燃燒，另一部分燃料作過(guò)淡燃燒，但整體上空氣量保持不變。由于兩部分都在偏離化學(xué)當量比下燃燒，因而NOx都很低。自身再循環(huán)燃燒器降低NOx排放的原理：自身再循環(huán)燃燒器一種是利用助燃空氣的壓頭，把部分燃燒煙氣吸回，進(jìn)入燃燒器，與空氣混合燃燒。由于煙氣再循環(huán)，燃燒煙氣的熱容量大，燃燒溫度降低，NOx減少。另一種自身再循環(huán)燃燒器是把部分煙氣直接在燃燒器內進(jìn)入再循環(huán)，并加入燃燒過(guò)程，此種燃燒器有抑制氧化氮和節能雙重效果。</span><span style="font-family: Helvetica;color: rgb(47, 47, 47);letter-spacing: 0;font-size: 14px"><br/></span><span style="font-family: Helvetica;color: rgb(47, 47, 47);letter-spacing: 0;font-size: 14px"> </span><span style="font-family: Helvetica;color: rgb(47, 47, 47);letter-spacing: 0;font-size: 14px"><br/></span><span style="font-family: Helvetica;color: rgb(47, 47, 47);letter-spacing: 0;font-size: 14px"> 超低氮燃燒機中混合促進(jìn)型降低NOx排放的原理：混合促進(jìn)型燃燒器煙氣在高溫區停留時(shí)間是影響NOx生成量的主要因素之一，改善燃燒與空氣的混合，能夠使火焰面的厚度減薄，在燃燒負荷不變的情況下，煙氣在火焰面即高溫區內停留時(shí)間縮短，因而使NOx的生成量降低。分割火焰型燃燒器降低NOx排放的原理：分割火焰型燃燒器其原理是把一個(gè)火焰分成數個(gè)小火焰，由于小火焰散熱面積大，火焰溫度較低，使“熱反應NO”有所下降。此外，火焰小縮短了氧、氮等氣體在火焰中的停留時(shí)間，對“熱反應NO”和“燃料NO”都有明顯的抑制作用。</span></p><p><br/></p> </div> <div id="ubq9ttt" class="w mt20 lh2b fz14"> <div><span>上一篇：</span><a class="a_hover" href="/gsxw_6_167.html">高爐煤氣熱風(fēng)爐，高爐煤氣燃燒器</a></div> <div><span>下一篇：</span><a class="a_hover" href="/gsxw_6_39.html">列管式換熱器與板式換熱器的區別</a></div> </div> </div> </div> </div> <div id="2tnqwk8" class="footer mt50"> <div id="m0aw0iu" class="w h260 footer_t"> <div id="nbem4dm" class="item w430 mr40 fl"> <div id="a0eroh0" class="tit"><span>友情鏈接</span></div> <div id="0owgkyh" class="line"></div> <div id="eeow09r" class="desc mt15"> </div> </div> <div id="lgyia9y" class="item w260 mr40 fl"> <div id="wr9dcsl" class="tit"><span>產(chǎn)品中心</span></div> <div id="e8u848k" class="line"></div> <div 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