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onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="87y8iio" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/nabore/637388019289197562/6840653.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="vdypi8l" 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>上海市</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>天津小型管式爐設(shè)備,管式爐</p><p><span>***更新：</span>2021-02-03 13:17:00</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="ki3uka8" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">納博熱（上海）工業(yè)爐有限公司</a></p><p><span>聯(lián)系人：</span>齊秀萍</p><p><span>郵箱: </span>info@nabertherm-cn.com</p><p><span>電話: </span>13816407062</p><p><span>傳真: </span>021_64903107</p><p><span>網(wǎng)址: </span>http://www.nabertherm-cn.com</p><p><span>手機(jī): </span>021-64902960</p><p><span>地址: </span>瓶北路150弄158號</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="np4pqfq" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="ha5hm3f" class="box"><p><p style="text-indent:25px">管式爐把發(fā)熱元件放在爐壁內(nèi)。爐內(nèi)壁是高溫輻射面，雖然沒有特別考慮爐內(nèi)壁的比輻射率，但一般耐火材料在高溫下都有比較高的比輻射率。系統(tǒng)是什么？爐壁發(fā)出的輻射只有一部分投射到工件，其余部分投射到對面的爐壁上，在哪里只有小部分被反射，天津小型管式爐設(shè)備，大部分被吸收。所以，高溫爐內(nèi)壁通過輻射與對流以加熱爐內(nèi)的工件。由于高溫爐內(nèi)壁的溫度高，就必須用很多的絕熱材料，這就使電阻爐的熱容量增大。因而，傳統(tǒng)的電阻爐升溫慢，天津小型管式爐設(shè)備，管式爐的程控耗能高，熱效率及生產(chǎn)效率都很低。爐襯的使用壽命與其制作材料及使用方式都有很大關(guān)系。接下來我們就從這兩個方面來了解下影響高溫爐爐襯壽命的因素。管式爐爐襯材料，原料純度、耐火度、導(dǎo)熱系數(shù)、結(jié)合劑以及顆粒級配等。烘爐質(zhì)量必須嚴(yán)格地按烘爐工藝執(zhí)行，確保水汽安全排除，以便石英砂在合適的溫度下轉(zhuǎn)變成耐高溫性較好的晶體。筑爐材料的打結(jié)密度、是否形成偏析分層，天津小型管式爐設(shè)備、是否帶進(jìn)雜質(zhì)、坩堝表面質(zhì)量、坩堝放置位置是否與線圈同心等。管式爐爐體具有良好的保溫性能和顯著的節(jié)能效果。天津小型管式爐設(shè)備</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="天津小型管式爐設(shè)備,管式爐" src="https://tyunfile.71360.com/UploadFile/nabore/637388019289197562/6840653.png"></div><p style="text-indent:25px">正常關(guān)爐: 1、程序運(yùn)行完成后，主加熱電源自動停止，儀表處于初始狀態(tài)。 2、按下紅色TurnOff鍵，使主繼電器斷開。 3、待溫度降至100℃以下，關(guān)閉Lock切斷面板控制電源。 4、順時針旋動旋鈕關(guān)氣瓶總閥，逆時針旋動旋鈕關(guān)氣瓶出口減壓閥，（如果使用氫氣做工作氣體，逆時針關(guān)閉墻上氣路控制閥，使箭頭指向“關(guān)”位置）順時針旋動關(guān)管式爐進(jìn)氣閥；關(guān)閉管式爐出氣閥；關(guān)閉氫氣氣路上的紅色出口閥門。 5、關(guān)閉墻上管式爐總電源。 6、打開管式爐端蓋，取出兩塊隔熱爐塞，再取出樣品舟。天津小型管式爐設(shè)備管式爐由加熱爐本體和余熱回收系統(tǒng)組成。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="天津小型管式爐設(shè)備,管式爐" src="https://tyunfile.71360.com/UploadFile/nabore/637388018898191714/1535983.png"></div><p style="text-indent:25px">管式爐爐門裝置由爐門、爐門提升機(jī)構(gòu)和爐門壓緊裝置組成。爐門殼體由型鋼與板材焊接而成牢固框架結(jié)構(gòu)，內(nèi)用耐火纖維壓制模塊疊鋪而成，要求保溫性能好，重量輕等。主要由爐門架、爐門提升橫梁、減速機(jī)、鏈輪、傳動軸和軸承等部分組成，爐門升降通過減速器上正反傳動來帶動爐門的升降。爐門提升減速器還配有剎車裝置，可以有效防止?fàn)t門在升降過程中產(chǎn)生位移。管式爐爐門壓緊裝置采用國內(nèi)先進(jìn)的彈簧式杠桿壓緊結(jié)構(gòu)，當(dāng)爐子需要提升時，管式爐的爐門是爐門的自重通過杠桿將爐門自動松開，并水平移出一段距離后上升，當(dāng)爐門下降到位時，由彈簧的彈力再通過杠桿將爐門水平移進(jìn)到壓緊密封狀態(tài)，此種結(jié)構(gòu)的壓緊裝置使?fàn)t門上、下時無摩擦產(chǎn)生，具有安全性能好、使用使命長的特點。</p><p style="text-indent:25px">焊接管式爐時焊條與孔壁上方夾角10～20，焊條與焊縫前進(jìn)方向夾角為10～20。運(yùn)條的方法一般采用直線、往復(fù)、擺動等焊接方法，堆焊厚度較薄的話應(yīng)采用直線或往復(fù)焊接方法，較好的是采用往復(fù)焊接方法，接的要點往復(fù)焊法焊條始終攪拌熔池有利于減少焊接的缺陷。這一點非常重要，對于初學(xué)者或技術(shù)不熟練的都非常重要。對于要求堆焊焊縫尺寸較大者，較好采用擺動運(yùn)條焊接法，當(dāng)焊條運(yùn)條至孔壁一側(cè)時，應(yīng)做一定擺動以及停留，使焊縫和孔壁充分的熔合，焊接時焊速要均勻、手法要穩(wěn)。減少和消除焊接缺陷。焊接時要密切注視焊接熔池，這樣還減少了煙塵的危害以及增加焊接時的能見度，這一點尤為重要，只有看清焊接熔池，才可以在焊接熔池發(fā)生變化時及時的采取措施，管式爐焊防止凹坑及其他焊接缺陷或焊縫燒塌產(chǎn)生焊瘤。有單管、雙管、臥式、可開啟式、立式、單溫區(qū)、雙溫區(qū)、三溫區(qū)等多種管式爐型。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="天津小型管式爐設(shè)備,管式爐" src="https://tyunfile.71360.com/UploadFile/nabore/637388018378269810/5454152.png"></div><p style="text-indent:25px">管式爐門裝置由爐門，爐門升降機(jī)構(gòu)和爐門加壓裝置組成。爐門殼體由鋼板和板焊接而成，形成堅固的框架結(jié)構(gòu)，內(nèi)部與耐火纖維壓制模塊層壓，需要良好的保溫性能和重量輕。它主要由爐門框架，爐門提升梁，減速器，鏈輪，傳動軸和軸承組成。爐門通過減速器上的前進(jìn)和后退傳動裝置升降，以驅(qū)動爐門的升降。門提升減速器還配備有制動裝置，可有效防止門在提升過程中移位。管式爐門壓裝置采用彈簧式壓桿結(jié)構(gòu)。當(dāng)需要提升爐子時，管式爐的爐門是爐門的自重，爐門由杠桿自動釋放，水平移出一定距離然后上升。當(dāng)爐門下降到位時，彈簧的彈力用于通過杠桿將爐門水平地移動到壓縮密封狀態(tài)。該結(jié)構(gòu)的壓緊裝置使?fàn)t門上下無摩擦，具有良好的安全性能和使用性能。任務(wù)負(fù)責(zé)人的特點。管式爐普遍應(yīng)用于煤炭，冶金，電力，化工，建材，醫(yī)藥等的實驗室分析和工業(yè)熱處理。天津小型管式爐設(shè)備</p><p style="text-indent:25px">管式爐內(nèi)的熱傳遞是通過爐管管壁進(jìn)行的。天津小型管式爐設(shè)備</p><p style="text-indent:25px">管式爐內(nèi)的熱傳遞是通過爐管管壁進(jìn)行的。由于需要足夠的傳熱溫差，加上管內(nèi)膜熱阻、管內(nèi)焦垢層熱阻、管壁金屬熱阻和各種受熱不均勻性的作用，管壁金屬溫度一般要比管內(nèi)介質(zhì)高幾十到一百多攝氏度。這是與一般設(shè)備完全不同的。再者，由于直接見火，任何泄漏都可能造成或火災(zāi)，這也是非見火設(shè)備不能相比的。加熱型管式爐的爐管壁溫為400-650℃，而加熱-反應(yīng)型管式爐（制氫轉(zhuǎn)化爐）的管壁金屬溫度常常在850-1000℃范圍內(nèi)。管式爐盤管承受的工作壓力低的如蒸餾爐，一般是1-3mpa，高的如高壓加氫爐，可高達(dá)18-20mpa。天津小型管式爐設(shè)備</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/3144507.html</p></div></div></div></div></div><div id="knfkvgb" class="page-right twoColRt"><div id="vohw328" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="kn4yt3o" 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(qiáng) 信息推薦自業(yè)物資供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>福建ZF配件哪家強(qiáng) 信息推薦自業(yè)物資供應(yīng)</p></a></div><div 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