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clearfix"><h1>燒嘴批發(fā)廠家貼心服務中山市瓦達斯熱能設備供應</h1><div id="al8yh9r" class="proBig"><div id="glowthl" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/wds2020/637311308082636718/1691793.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="q4dolvs" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/wds2020/637311308082636718/1691793.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="r3saed3" 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)品關鍵詞：</span>燒嘴批發(fā)廠家,天燃氣燒嘴</p><p><span>***更新：</span>2021-01-20 02:07:57</p><p><span id="click" >瀏覽次數(shù)：4次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="6pdxbqo" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">中山市瓦達斯熱能設備技術有限公司</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: </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="d6nhble" class="page-proshow02"><p class="title">詳細說明</p><div id="yhgzesi" class="box"><p><p style="text-indent:25px"> 配備空燃比例閥的管路系統(tǒng)，在點火時由于空氣壓力低，往往空燃比例閥沒有被頂開，這時我們要調(diào)節(jié)比例閥彈簧，使比例閥開啟一定的開度，允許一小股燃氣過去參與點火。如果點火時看到明火。燃氣電磁閥被切斷，燒嘴批發(fā)廠家，說明火焰檢測回路有問題。如今幾乎所有的燒嘴控制器（比如SFD258或BMU460）都有火焰檢測和熄火保護功能，如果在點火時檢測到火焰，電磁閥保持打開狀態(tài)，點火程序完成，點火成功。如果在點火時沒有火焰信號回到控制器，則在安全時間結束時，控制器會迅速切斷燃氣電磁閥，燒嘴批發(fā)廠家，輸出故障信號。這時我們要確認以下條件：lUV紫外線監(jiān)測方式：查看UV火檢是否正常，接線是否正確，燒嘴批發(fā)廠家，必要時更換UV火檢。l電離式檢測方式：查看檢測電極和燒嘴控制器（如SFD258的5號端子）信號回路是否暢通。電離式檢測方式下，檢測不到電流有幾種情況：燒嘴接地是否良好（要求燒嘴與點火控制器之間共地）；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；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SFD258內(nèi)。檢測微安電流可以用微安表，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。部分（或全部）燒嘴可通過某些方式（包括PWM技術）調(diào)節(jié)燃燒輸出的熱量來控制輸出溫度。燒嘴批發(fā)廠家</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="燒嘴批發(fā)廠家,天燃氣燒嘴" src="https://tyunfile.71360.com/UploadFile/wds2020/637311308082636718/1691793.png"></div><p style="text-indent:25px">燒嘴性能供大家參考：（1）霧化效果根據(jù)燒嘴的原理利用高速噴出原料氣體與其它原料物流混合均勻，達到理想的混合。通過對燒嘴的液霧平均粒徑、霧粒直徑分布、霧炬張角和液霧流量密度分布等指標的測定，獲得設計條件下比較優(yōu)良的數(shù)據(jù)，并比較終經(jīng)過實際生產(chǎn)的工藝指標的驗證。（2）氣化爐的高度和直徑在設計參數(shù)狀態(tài)下，噴射出來的反應物氣流的張角應該有一個合理的開度，不宜直接沖刷到耐火磚的墻面。其工作狀態(tài)下的火焰長短（反應高溫區(qū)位置）應該合理，長短合適，以避免對耐火磚及燒嘴本身帶來不利的影響。因此，氣化爐的設計應該有一個合理的高度和直徑，使燒嘴的比較佳工作狀態(tài)與氣化爐相匹配，并留有一定的余地。（3）操作彈性要有一個合適的操作彈性，使其能夠滿足系統(tǒng)開車時的低負荷、正常生產(chǎn)時的滿負荷以及單爐運行時的超負荷（50%～130%）能力，在上述操作彈性范圍內(nèi)應保證其正常的工作性能。（4）使用壽命在保證其工作性能的前提下，較大限度地延長其使用壽命，以確保裝置的長周期穩(wěn)定運行及經(jīng)濟運行效能。確切地說，一個無維修運轉(zhuǎn)周期應該在一年以上，建議為5～10年。廣東鑄鐵燒嘴設備廠家平焰燒嘴氣流的軸向速度很小，得到的是徑向放射的扁平火焰。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="燒嘴批發(fā)廠家,天燃氣燒嘴" src="https://tyunfile.71360.com/UploadFile/wds2020/637311308122392578/2859037.png"></div><p style="text-indent:25px">燒嘴也叫燃燒器，是工業(yè)燃料爐上用的燃燒裝置的俗稱，可理解為“燒火的噴嘴”的簡稱。通常指的是燃燒裝置本體部分，有燃料入口、空氣入口和噴出孔，起到分配燃料和助燃空氣并以一定方式噴出后燃燒的作用。燒嘴磚是燃燒裝置的重要組成部分。燒嘴磚的作用有： 1）將燃料在燒嘴磚內(nèi)加熱至著火溫度，使其易于點火并迅速燃燒。 2）在燒嘴磚內(nèi)保持一定的高溫，使燃燒過程穩(wěn)定，避免產(chǎn)生脈動或燃燒中斷現(xiàn)象。 3）組織火焰形狀，滿足加熱工藝的要求。 4）使燃料和空氣進一步混合。燒嘴按所用材質(zhì)分為：鉻剛玉質(zhì)燒嘴磚，剛玉莫來石燒嘴磚，高鋁莫來石燒嘴磚，粘土質(zhì)燒嘴磚，碳化硅燒嘴磚。</p><p style="text-indent:25px">無論任何類型的燒嘴都有一個點火過程，由于對產(chǎn)品性能的不熟悉，或者不了解基本的點火操作流程，可能在燒嘴初期點火時遇到點火故障，這往往影響整個工程項目的進度。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內(nèi)。 4.檢測微安電流可以用微安表，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鍋爐點火燒嘴的工作條件比較惡劣，長期受爐膛高溫輻射和火焰沖刷，容易造成蠕變、高溫變形和損壞。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="燒嘴批發(fā)廠家,天燃氣燒嘴" src="https://tyunfile.71360.com/UploadFile/wds2020/637311308103544921/495924.png"></div><p> 燒嘴在啟動階段和正常工作時，燒嘴控制器都要實時監(jiān)測火焰狀態(tài)，當火焰熄滅時，控制器要及時切斷燃氣供應，保證系統(tǒng)安全。 </p> <p> 下面以SFD258控制器為例： </p> <p> 1、啟動時沒有監(jiān)測到火焰信號，控制器切斷燃氣閥，輸出報警。 </p> <p> 2、啟動時自檢階段，控制器尚未開燃氣閥而檢測到火焰信號，說明有干擾信號，輸出報警。 </p> <p> 3、燒嘴正常運行中火焰信號中斷，控制器切斷燃氣閥，輸出報警。 </p> <p> 我們由此看出，燒嘴控制器常規(guī)工作模式下，對火焰的監(jiān)測時從頭至尾不間斷的，這也是保證燃氣使用安全的重要措施。燒嘴操作靈活,能實現(xiàn)自動化流水線生產(chǎn)。廣東鑄鐵燒嘴設備廠家</p><p style="text-indent:25px">自吸式燒嘴：燒嘴不需要借助外力配風，自身文丘里式結構，可吸入外界空氣，一般燒嘴功率較小。燒嘴批發(fā)廠家</p><p> 粗粒子長期進入煤漿泵會引起高壓煤漿泵墊缸的,也會引起煤漿波動,應該及時在煤漿槽堆底排煤漿，我個人感覺這兩種可能都有,另外,氣化爐合成氣出口可能堵塞,還有負荷高都會導致壓差高的。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)一個缸不打量，不會出現(xiàn)你那種半卡的，而只是影響燒嘴壓差。燒嘴壓差波動一般都在氣化爐運行末期，因此可以推斷應該是燒嘴磨損導致局部環(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單的一種情況，應該從各個操作參數(shù)認真判斷，出現(xiàn)問題的原因應該有以下幾種，一、煤漿質(zhì)量問題，在管線輸送時出現(xiàn)掛、堵現(xiàn)象；二、煤漿泵的問題，出口、入**門有卡、堵現(xiàn)象，出口緩沖罐壓力問題，造成煤漿管線階段性共振，煤漿壓力波動較大；三、中心氧的問題，實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，煤漿中可能有鐵絲，單向閥密封圈磨損都能造成這種情況。動轉(zhuǎn)速、控制好爐溫。燒嘴批發(fā)廠家</p><p style="text-indent:25px">中山市瓦達斯熱能設備技術有限公司致力于機械及行業(yè)設備，是一家貿(mào)易型的公司。公司業(yè)務分為燒嘴，蝶閥，調(diào)壓閥，燃燒控制器等，目前不斷進行創(chuàng)新和服務改進，為客戶提供良好的產(chǎn)品和服務。公司秉持誠信為本的經(jīng)營理念，在機械及行業(yè)設備深耕多年，以技術為先導，以自主產(chǎn)品為重點，發(fā)揮人才優(yōu)勢，打造機械及行業(yè)設備良好品牌。瓦達斯熱能憑借創(chuàng)新的產(chǎn)品、專業(yè)的服務、眾多的成功案例積累起來的聲譽和口碑，讓企業(yè)發(fā)展再上新高。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2921790.html</p></div></div></div></div></div><div id="dljj4pj" class="page-right twoColRt"><div id="sezixhl" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="vqfoix8" 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配件哪家強信息推薦自業(yè)物資供應" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>福建ZF配件哪家強信息推薦自業(yè)物資供應</p></a></div><div id="3mpyhm3" class="recomPic likePro"><a 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