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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>冶煉燒嘴報(bào)價(jià),天燃?xì)鉄?/p><p><span>***更新：</span>2021-01-16 09:10:08</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="bas8t82" 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="x887jyp" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="b2iu7pd" class="box"><p><p> 如果點(diǎn)火時(shí)看到明火，但很快燃?xì)怆姶砰y被切斷，控制器報(bào)警輸出，說(shuō)明火焰檢測(cè)回路有問(wèn)題。 </p> <p> 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，冶煉燒嘴報(bào)價(jià)，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（一般為5秒）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)。 </p> <p> 這時(shí)我們要確認(rèn)以下條件： </p> <p> 1.UV紫外線監(jiān)測(cè)方式：查看UV火檢是否對(duì)準(zhǔn)火焰，是否有異物阻擋，接線是否正確，必要時(shí)更換UV火檢。 </p> <p> 2，冶煉燒嘴報(bào)價(jià)，冶煉燒嘴報(bào)價(jià).電離式檢測(cè)方式：查看檢測(cè)電極信號(hào)回路是否暢通，去掉電極帽直接將高壓線接到電極上試試。可分為蓄熱式燒嘴、輻射管燒嘴、可調(diào)溫?zé)?、低氮燒嘴等多種新型節(jié)能燒嘴。冶煉燒嘴報(bào)價(jià)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="冶煉燒嘴報(bào)價(jià),天燃?xì)鉄? src="https://tyunfile.71360.com/UploadFile/wds2020/637311840686318359/8289552.png"></div><p> 天然氣燒嘴按照空燃混合方式：擴(kuò)散式燒嘴：燃燒所需要的空氣不預(yù)先和天然氣混合。大氣式燒嘴：又稱半預(yù)混合天然氣燒嘴。燃燒所需要的空氣部分與天然氣混合。完全預(yù)混合式燒嘴：燃燒所需要的空氣預(yù)先和天然氣混合，一般多用在無(wú)焰燃燒類型的燒嘴上。特殊功能分類：可分為蓄熱式燒嘴、輻射管燒嘴、可調(diào)溫?zé)?、低氮燒嘴等多種新型節(jié)能燒嘴。用途:天然氣燒嘴是工業(yè)窯爐上常用的燃燒裝置，天然氣燒嘴性能的好壞將很大程度上影響產(chǎn)品的質(zhì)量，合理高效的天然氣燒嘴應(yīng)該能滿足窯爐的燃燒、加熱和產(chǎn)品工藝所滿要求的條件。燒嘴常識(shí):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。火焰穩(wěn)定的條件是，火焰?zhèn)鞑ニ俣群涂扇細(xì)怏w混合物的流動(dòng)速度大小相等方向相反。穩(wěn)定的燃燒：燃?xì)夂涂諝饣旌纤俣瘸^(guò)火焰?zhèn)鞑ニ俣葘?dǎo)致火焰離開(kāi)穩(wěn)定點(diǎn)。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。燒嘴的脫火和回火都不是理想燒嘴的燃燒狀態(tài)，燒嘴多采用穩(wěn)焰盤結(jié)構(gòu)來(lái)達(dá)到良好狀態(tài)。重慶工業(yè)燒嘴哪家好當(dāng)煤氣流速等于空氣流速時(shí)，著火燃燒點(diǎn)就會(huì)在距燃燒器出口的定距離處燃燒，火焰剛直有力。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="冶煉燒嘴報(bào)價(jià),天燃?xì)鉄? src="https://tyunfile.71360.com/UploadFile/wds2020/637311307973408203/2278180.png"></div><p> 燒嘴壓差波動(dòng)有很多原因，不僅是氧氣、煤漿壓力，還有后系統(tǒng)壓力波動(dòng)，氣化爐運(yùn)行波動(dòng)等等，煤質(zhì)發(fā)生變化也有可能影響燒嘴壓差，包括煤漿濃度、粘度等等一、進(jìn)口管線堵，煤漿泵打量不正常二、煤漿泵單向閥有問(wèn)題，墊缸或者不打量，運(yùn)行中用錘子敲擊單向閥，停車檢查三、燒嘴在運(yùn)行后期也會(huì)引起燒嘴壓差波動(dòng)燒嘴到后期易出現(xiàn)壓差波動(dòng)，其壓差波動(dòng)的直接原因?yàn)闊祛^部緩慢積渣，渣脫落時(shí)造成燒嘴頭部流程發(fā)生重大改變，造成壓差波動(dòng)。燒嘴壓差波動(dòng)的原因首先檢查高壓煤漿泵是否正常，其次觀察氧氣總管壓力是否波動(dòng)，排除這兩種了能后那就是燒嘴的原因了。嘴壓差波動(dòng)：1、高壓煤漿泵故障而導(dǎo)致，而高壓煤漿泵故障一般都是單向閥卡澀（煤漿品質(zhì)過(guò)差，煤質(zhì)中鐵片太多），2、燒嘴問(wèn)題。 </p><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(kāi)，這時(shí)我們要調(diào)節(jié)比例閥彈簧，使比例閥開(kāi)啟一定的開(kāi)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(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：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。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。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="冶煉燒嘴報(bào)價(jià),天燃?xì)鉄? src="https://tyunfile.71360.com/UploadFile/wds2020/637311308122392578/2859037.png"></div><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部分（或全部）燒嘴可通過(guò)某些方式（包括PWM技術(shù)）調(diào)節(jié)燃燒輸出的熱量來(lái)控制輸出溫度。鑄鐵燒嘴制造商哪家好</p><p style="text-indent:25px">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。冶煉燒嘴報(bào)價(jià)</p><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。冶煉燒嘴報(bào)價(jià)</p><p style="text-indent:25px">中山市瓦達(dá)斯熱能設(shè)備技術(shù)有限公司致力于機(jī)械及行業(yè)設(shè)備，是一家貿(mào)易型的公司。公司自成立以來(lái)，以質(zhì)量為發(fā)展，讓匠心彌散在每個(gè)細(xì)節(jié)，公司旗下燒嘴，蝶閥，調(diào)壓閥，燃燒控制器深受客戶的喜愛(ài)。公司從事機(jī)械及行業(yè)設(shè)備多年，有著創(chuàng)新的設(shè)計(jì)、強(qiáng)大的技術(shù)，還有一批**的專業(yè)化的隊(duì)伍，確保為客戶提供良好的產(chǎn)品及服務(wù)。瓦達(dá)斯熱能憑借創(chuàng)新的產(chǎn)品、專業(yè)的服務(wù)、眾多的成功案例積累起來(lái)的聲譽(yù)和口碑，讓企業(yè)發(fā)展再上新高。</p></p><br /><p>文章來(lái)源地址: 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