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id="hfdtvt5" class="leftbox clearfix"><h1>四川燃?xì)鉄炷募液?歡迎咨詢中山市瓦達(dá)斯熱能設(shè)備供應(yīng)</h1><div id="htjzhvt" class="proBig"><div id="3ljhn57" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/wds2020/637311844743457031/1590445.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="tflbzfv" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/wds2020/637311844743457031/1590445.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="pbrz5zp" 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>四川燃?xì)鉄炷募液?天燃?xì)鉄?/p><p><span>***更新：</span>2020-12-22 09:12:04</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="lr755zx" 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="lr7pdjr" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="fjhxtrp" class="box"><p><p style="text-indent:25px"> 燒嘴的特點(diǎn)是燃料在燒嘴的燃燒室內(nèi)完全燃燒后產(chǎn)生的熱氣在高溫下急劇膨脹,在噴口形成高速氣流,當(dāng)燒嘴在滿負(fù)荷時(shí)(額定功率),噴出的氣流速度較高,為了充分利用高速燒嘴的這一特性,提出了對(duì)燒嘴實(shí)現(xiàn)大小火控制的要求。對(duì)燒嘴實(shí)現(xiàn)連續(xù)調(diào)節(jié)時(shí),是調(diào)節(jié)進(jìn)入燒嘴的燃料的流量,從而達(dá)到調(diào)節(jié)燒嘴燃燒功率的目的,進(jìn)入燒嘴的燃料量越大 ,燒嘴輸出的熱功率也就越高,反之就越小,燃料的流量對(duì)應(yīng)燒嘴的輸出功率.我們?nèi)挝粫r(shí)間內(nèi)進(jìn)入燒嘴燃料的平均流量，四川燃?xì)鉄炷募液?對(duì)其進(jìn)行較大和較小兩段分配，四川燃?xì)鉄炷募液?使其平均流量和燒嘴在這段時(shí)間內(nèi)所需要的能力相符合,從而同樣達(dá)到了對(duì)燒嘴燃燒功率的調(diào)節(jié)，四川燃?xì)鉄炷募液?。燒嘴也可以叫燃燒器，但不同于小型鍋爐上用的一體化燃燒器。四川燃?xì)鉄炷募液?/p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="四川燃?xì)鉄炷募液?天燃?xì)鉄? src="https://tyunfile.71360.com/UploadFile/wds2020/637311844743457031/1590445.png"></div><p> 粗粒子長(zhǎng)期進(jìn)入煤漿泵會(huì)引起高壓煤漿泵墊缸的,也會(huì)引起煤漿波動(dòng),應(yīng)該及時(shí)在煤漿槽堆底排煤漿，我個(gè)人感覺(jué)這兩種可能都有,另外,氣化爐合成氣出口可能堵塞,還有負(fù)荷高都會(huì)導(dǎo)致壓差高的。多大的粒子能使煤漿泵的單向閥出現(xiàn)半卡涉狀態(tài)？液體的膨脹系數(shù)很小的，要卡住單向閥那么就出現(xiàn)一個(gè)缸不打量，不會(huì)出現(xiàn)你那種半卡的，而只是影響燒嘴壓差。燒嘴壓差波動(dòng)一般都在氣化爐運(yùn)行末期，因此可以推斷應(yīng)該是燒嘴磨損導(dǎo)致局部環(huán)隙偏大，煤漿泵出口壓力受此影響所致。產(chǎn)生這種情況的原因不是簡(jiǎn)單的一種情況，應(yīng)該從各個(gè)操作參數(shù)認(rèn)真判斷，出現(xiàn)問(wèn)題的原因應(yīng)該有以下幾種，一、煤漿質(zhì)量問(wèn)題，在管線輸送時(shí)出現(xiàn)掛、堵現(xiàn)象；二、煤漿泵的問(wèn)題，出口、入**門有卡、堵現(xiàn)象，出口緩沖罐壓力問(wèn)題，造成煤漿管線階段性共振，煤漿壓力波動(dòng)較大；三、中心氧的問(wèn)題，實(shí)踐證明中心氧止回閥需要定期更換，是否閥頭已損壞，造成階段性流量波動(dòng)，煤漿中可能有鐵絲，單向閥密封圈磨損都能造成這種情況。動(dòng)轉(zhuǎn)速、控制好爐溫。江蘇燒嘴哪些品牌天然氣的燃燒一般分為三個(gè)過(guò)程：燃?xì)夂涂諝獾幕旌?；混合氣體的升溫和著火；混合氣體的燃燒。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="四川燃?xì)鉄炷募液?天燃?xì)鉄? src="https://tyunfile.71360.com/UploadFile/wds2020/637311308209277343/1348764.png"></div><p style="text-indent:25px"> 配備空燃比例閥的管路系統(tǒng)，在點(diǎn)火時(shí)由于空氣壓力低，往往空燃比例閥沒(méi)有被頂開，這時(shí)我們要調(diào)節(jié)比例閥彈簧，使比例閥開啟一定的開度，允許一小股燃?xì)膺^(guò)去參與點(diǎn)火。如果點(diǎn)火時(shí)看到明火。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（比如SFD258或BMU460）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：lUV紫外線監(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。l電離式檢測(cè)方式：查看檢測(cè)電極和燒嘴控制器（如SFD258的5號(hào)端子）信號(hào)回路是否暢通。電離式檢測(cè)方式下，檢測(cè)不到電流有幾種情況：燒嘴接地是否良好（要求燒嘴與點(diǎn)火控制器之間共地）；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)；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SFD258內(nèi)。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。</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。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。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，火焰?zhèn)鞑バЧ麡O差。燒嘴操作靈活,能實(shí)現(xiàn)自動(dòng)化流水線生產(chǎn)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="四川燃?xì)鉄炷募液?天燃?xì)鉄? src="https://tyunfile.71360.com/UploadFile/wds2020/637311308103544921/495924.png"></div><p style="text-indent:25px">燒嘴按照用途來(lái)分，有可以分為工業(yè)應(yīng)用燒嘴，商業(yè)應(yīng)用燒嘴，工藝應(yīng) 用燒嘴。工業(yè)應(yīng)用燒嘴以及商業(yè)應(yīng)用燒嘴一般功率較大，一般屬于固定設(shè)備。工藝應(yīng)用燒嘴，一般功率較小，沒(méi)有特定的型號(hào)，可以根據(jù)實(shí)際的工藝來(lái)開發(fā)出來(lái)的燒嘴，并且屬于損耗件。燒嘴按點(diǎn)火方式分為兩種：一種是自動(dòng)點(diǎn)火，點(diǎn)火方式通過(guò)電極發(fā)出高壓點(diǎn)燃可燃?xì)怏w；一種是人工點(diǎn)火。點(diǎn)火方式是用明火點(diǎn)燃可燃?xì)怏w。自動(dòng)點(diǎn)火適用于相對(duì)純凈氣體；人工點(diǎn)火適用于純凈可燃?xì)怏w、較臟可燃?xì)怏w。工藝燒嘴普遍應(yīng)用于產(chǎn)品成型以后的工藝處理，如玻璃器皿成型后的拋光，切割，燒口，應(yīng)力處理等，塑料件表面噴涂之前的火焰處理，以增強(qiáng)塑料件表面的張力/親水性，增強(qiáng)噴漆的效果。在運(yùn)行中如何合理調(diào)整燃燒，避免點(diǎn)火燒嘴損壞，是我們運(yùn)行人員急需解決的一大課題。河南窯爐燒嘴哪家便宜</p><p style="text-indent:25px">避免點(diǎn)火燒嘴損壞的方法燒器區(qū)域含氧量增多，從而使點(diǎn)火燒嘴高溫富氧燒蝕損壞。四川燃?xì)鉄炷募液?/p><p style="text-indent:25px">反應(yīng)燒結(jié)碳化硅燒嘴的制備工藝， 1、化學(xué)氣相沉積法和液體浸漬法?；瘜W(xué)氣相沉積法工藝是先制備碳盤(即將碳纖維編織成產(chǎn)品所設(shè)計(jì)的形狀)，然后在一定的溫度條件下以含氫氯硅烷熏蒸，反復(fù)多次，直至致密化。 2、液體浸漬法工藝也需先制備碳盤，制備聚硅烷或聚碳硅烷，然后在真空、氮?dú)饣驓鍤獗Ｗo(hù)的條件下，將聚硅烷或聚碳硅烷滲入碳盤中，再熱處理，反復(fù)多次，直至致密化。碳化硅是一種人工合成的碳化物，碳化硅燒嘴套，分子式為SiC。通常是由二氧化硅（石英砂）和碳在通電后2000℃以上的高溫下形成的。碳化硅理論密度是3.18克每立方厘米，其莫氏硬度僅次于金剛石，在9.2-9.8之間，顯微硬度3300千克每立方毫米，碳化硅燒嘴廠家，由于它具有高硬度、高耐磨性、高耐腐蝕性及較高的高溫強(qiáng)度等特點(diǎn)，被用于各種耐磨、耐蝕和耐高溫的機(jī)械零部件，是一種新型的工程陶瓷新材料。四川燃?xì)鉄炷募液?/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，是一家貿(mào)易型的公司。瓦達(dá)斯熱能致力于為客戶提供良好的燒嘴，蝶閥，調(diào)壓閥，燃燒控制器，一切以用戶需求為中心，深受廣大客戶的歡迎。公司將不斷增強(qiáng)企業(yè)重點(diǎn)競(jìng)爭(zhēng)力，努力學(xué)習(xí)行業(yè)知識(shí)，遵守行業(yè)規(guī)范，植根于機(jī)械及行業(yè)設(shè)備行業(yè)的發(fā)展。瓦達(dá)斯熱能立足于全國(guó)市場(chǎng)，依托強(qiáng)大的研發(fā)實(shí)力，融合前沿的技術(shù)理念，飛快響應(yīng)客戶的變化需求。</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/2513476.html</p></div></div></div></div></div><div id="pvdt7zp" class="page-right twoColRt"><div id="3vljhfd" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="f5jrzfv" class="recomPic likePro"><a 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