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onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="8xyqkd3" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/wds2020/637311308163466796/1573981.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="rfpryas" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價(jià)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>遼寧燃?xì)鉄靾?bào)價(jià),天燃?xì)鉄?/p><p><span>***更新：</span>2020-11-20 12:21:36</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="u8oac8p" 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(lè)社區(qū)德友街8號(hào)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="4mtvnzw" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="w2g23h7" class="box"><p><p> 燃?xì)鉅t窯新建或是燃料改造中，中威爐業(yè)認(rèn)為要從多方面進(jìn)行考慮：燃?xì)鉄斓倪x型、空氣過(guò)剩系數(shù)的設(shè)定、燃?xì)夤苈返脑O(shè)計(jì)等。首先燒嘴的選型是**基本的一項(xiàng)。當(dāng)確定燃?xì)夥N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(xì)介紹，以適合自己爐窯為準(zhǔn)，并不是高級(jí)的復(fù)雜就是**適合的。其次燃燒系統(tǒng)中空氣過(guò)剩系數(shù)的確定。這里**主要牽涉到風(fēng)機(jī)的選擇，一般以高壓離心風(fēng)機(jī)選用較多，遼寧燃?xì)鉄靾?bào)價(jià)。對(duì)風(fēng)機(jī)的風(fēng)量和風(fēng)壓的選擇非常重要?？諝膺^(guò)剩系數(shù)過(guò)大或是過(guò)小火焰都將不能正常傳播，遼寧燃?xì)鉄靾?bào)價(jià)。燃燒過(guò)程中火焰不可避免的要向四周環(huán)境散失一部分熱量，當(dāng)混合物的理論溫度升高時(shí)，火焰鋒面可以達(dá)到理論燃燒溫度，此時(shí)散熱可以忽略不計(jì)。當(dāng)過(guò)剩系數(shù)過(guò)大或是過(guò)小時(shí)燃?xì)獾臐舛冗^(guò)高或過(guò)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(shí)際燃燒溫度就更低了，火焰鋒面內(nèi)的燃燒化學(xué)熱反應(yīng)就難以維持，遼寧燃?xì)鉄靾?bào)價(jià)，火焰?zhèn)鞑バЧ麡O差。燒嘴的回火：燃?xì)夂涂諝饣旌纤俣刃∮诨鹧鎮(zhèn)鞑ニ俣?，火焰向燒嘴?nèi)部噴射。遼寧燃?xì)鉄靾?bào)價(jià)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="遼寧燃?xì)鉄靾?bào)價(jià),天燃?xì)鉄? src="https://tyunfile.71360.com/UploadFile/wds2020/637311308163466796/1573981.png"></div>燃料為天然氣的燃燒裝置稱為天然氣燒嘴，工業(yè)窯爐和化工加熱裝置中對(duì)天然氣燃燒裝置的習(xí)慣叫法，也有部分習(xí)慣稱之為天然氣燃燒器。<p>產(chǎn)品分類：<p>按照燒嘴前天然氣的壓力高低：<p>低壓天然氣燒嘴：天然氣壓力在5kpa以下。<p>高中壓天然氣燒嘴：天然氣壓力在5kpa以上。<p><br/><p>按照火焰的形狀類型：<p>直焰燒嘴：又稱長(zhǎng)焰燒嘴，火焰較長(zhǎng)，一般窯爐上采用較多。<p>短焰燒嘴:火焰短而有剛性。<p>平焰燒嘴：火焰緊貼爐墻或是爐頂內(nèi)部向四周均勻伸展的圓盤形狀噴出。<p><br/><p>按照空氣供給方式分類：<p>自吸式燒嘴：燒嘴不需要借助外力配風(fēng)，自身文丘里式結(jié)構(gòu)，可吸入外界空氣，一般燒嘴功率較小。<p>配風(fēng)式燒嘴：依靠鼓風(fēng)機(jī)強(qiáng)制配助燃風(fēng)，風(fēng)機(jī)通常為高壓離心風(fēng)機(jī)。浙江碳化硅燒嘴報(bào)價(jià)自吸式燒嘴：燒嘴不需要借助外力配風(fēng)，自身文丘里式結(jié)構(gòu)，可吸入外界空氣，一般燒嘴功率較小。<div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="遼寧燃?xì)鉄靾?bào)價(jià),天燃?xì)鉄? src="https://tyunfile.71360.com/UploadFile/wds2020/637311308297812500/4208059.png"></div><p style="text-indent:25px">如果點(diǎn)火時(shí)看到明火，但很快燃?xì)怆姶砰y被切斷，說(shuō)明火焰檢測(cè)回路有問(wèn)題。如今幾乎所有的燒嘴控制器都有火焰檢測(cè)和熄火保護(hù)功能，如果在點(diǎn)火時(shí)檢測(cè)到火焰，電磁閥保持打開(kāi)狀態(tài)，點(diǎn)火程序完成，點(diǎn)火成功。如果在點(diǎn)火時(shí)沒(méi)有火焰信號(hào)回到控制器，則在安全時(shí)間結(jié)束時(shí)，控制器會(huì)迅速切斷燃?xì)怆姶砰y，輸出故障信號(hào)。這時(shí)我們要確認(rèn)以下條件：紫外火焰監(jiān)測(cè)方式：查看UV火檢是否正常，接線是否正確，必要時(shí)更換UV火檢。電離式火焰監(jiān)測(cè)方式：查看檢測(cè)電極和燒嘴控制器信號(hào)回路是否暢通。</p><p style="text-indent:25px">燒嘴熄火原因分析：一次風(fēng)配比過(guò)低時(shí)，加熱爐效率就會(huì)降低。一次風(fēng)配比過(guò)高時(shí)，火焰很短，根部與燒嘴明顯脫節(jié)，會(huì)被吹離燒嘴而引起熄火。二次風(fēng)配比過(guò)低時(shí)，空氣過(guò)剩系數(shù)小，燃燒熱效率高，燃?xì)鉂舛却?，火焰?zhèn)鞑ニ俣鹊停?dāng)火焰?zhèn)鞑ニ俣刃∮诨旌先紵龤怏w噴射速度時(shí)，火焰會(huì)被吹離燒嘴而引起熄火。二次風(fēng)配比過(guò)高時(shí)，加熱爐熱效率降低爐膛負(fù)壓過(guò)高時(shí)，漏風(fēng)量增加，燃燒熱效率降低。爐膛負(fù)壓過(guò)低時(shí)，混合燃燒氣體中空氣流速降低，火焰?zhèn)鞑ニ俣冉档蛯?dǎo)致熄火(爐外大氣壓降低也是爐膛負(fù)壓過(guò)低的原因之一) 燃?xì)鈬娚渌俣瘸^(guò)燒嘴比較大負(fù)荷時(shí)，火焰?zhèn)鞑ニ俣刃∮诨旌先紵龤怏w噴射速度，火焰很長(zhǎng)，根部與燒嘴明顯脫節(jié)，會(huì)被吹離燒嘴而引起熄火燃?xì)鈬娚渌俣鹊陀跓毂容^大負(fù)荷時(shí)，火焰?zhèn)鞑ニ俣却笥诨旌先紵龤怏w噴射速度，火焰很短，根部向燒嘴口收縮，可能逆流進(jìn)燒嘴口而引起熄火燒嘴設(shè)計(jì)負(fù)荷偏大時(shí)，若不采取有效措施，將導(dǎo)致混合燃燒氣體噴射速度降低而引起熄火。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="遼寧燃?xì)鉄靾?bào)價(jià),天燃?xì)鉄? src="https://tyunfile.71360.com/UploadFile/wds2020/637311840686318359/8289552.png"></div><p style="text-indent:25px"> 再來(lái)說(shuō)一下千瓦的概念，早期它是作為電的功率單位，后來(lái)延伸到了整個(gè)物理領(lǐng)域功率的單位。在單位換算中1KW=1000W，1W的定義是1J/s，相對(duì)應(yīng)的1KW=1000J/s=3600KJ/h，到這里再來(lái)看一下熱負(fù)荷的概念，就不難想明白燒嘴中熱負(fù)荷和千瓦的聯(lián)系了。焦耳作為國(guó)際通用單位在全世界都在使用，致誠(chéng)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(shí)經(jīng)常說(shuō)多少多少大卡的設(shè)備。也有直接說(shuō)單位時(shí)間燒嘴的耗氣量的，這種表達(dá)一般都能理解。如以230KW天然氣燒嘴為例，它的熱負(fù)荷是230KW，即每小時(shí)熱負(fù)荷82.8萬(wàn)千焦熱量，用大卡的單位表示是每小時(shí)約20萬(wàn)大卡熱量，相應(yīng)的每小時(shí)消耗的天然氣約23立方。了解完這些，對(duì)燃燒器功率單位方面的問(wèn)題應(yīng)該就能解決了，再進(jìn)行設(shè)備選型及咨詢時(shí)不至于一頭霧水了。高(中)壓燒嘴：燃?xì)鈮毫υ?000～300000Pa之間。鑄鐵燒嘴工廠</p><p style="text-indent:25px">有焰燒嘴種類很多，結(jié)構(gòu)型式各不相同，它主要根據(jù)煤氣的種類、火焰長(zhǎng)度、燃燒強(qiáng)度來(lái)決定。遼寧燃?xì)鉄靾?bào)價(jià)</p><p style="text-indent:25px">無(wú)論任何類型的燒嘴都有一個(gè)點(diǎn)火過(guò)程，由于對(duì)產(chǎn)品性能的不熟悉，或者不了解基本的點(diǎn)火操作流程，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。電離式檢測(cè)方式下，檢測(cè)不到電流有幾種情況： 1.燒嘴接地是否良好（要求燒嘴與點(diǎn)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(wú)法監(jiān)測(cè)到連續(xù)穩(wěn)定信號(hào)。 3.檢測(cè)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(cè)微安電流可以用微安表，一端接在監(jiān)測(cè)電極，另一端接在燒嘴控制器信號(hào)回路上，查看是否有μA電流經(jīng)過(guò)，一般要求大于2μA遼寧燃?xì)鉄靾?bào)價(jià)</p><p style="text-indent:25px">中山市瓦達(dá)斯熱能設(shè)備技術(shù)有限公司總部位于廣東省中山市東鳳鎮(zhèn)民樂(lè)社區(qū)德友街8號(hào)二樓，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(guó)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。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(guó)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)斯熱能不斷開(kāi)拓創(chuàng)新，追求出色，以技術(shù)為先導(dǎo)，以產(chǎn)品為平臺(tái)，以應(yīng)用為重點(diǎn)，以服務(wù)為保證，不斷為客戶創(chuàng)造更高價(jià)值，提供更優(yōu)服務(wù)。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(chǎng)需求，提高產(chǎn)品價(jià)值，是我們前行的力量。</p></p><br 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