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<script>var V_PATH="/";window.onerror=function(){ return true; };</script> </head><body> <h1><a href="http://www.cdcfah.com/">六月丁香婷婷亚洲中文字幕,欧美精品高清一区二区蜜芽,尤物92午夜福利视频,精品视频一区二区三区在线观看</a></h1> <div style="position:fixed;left:-9000px;top:-9000px;"><object id="qgqbi"></object><delect id="qgqbi"><sub id="qgqbi"><dl id="qgqbi"></dl></sub></delect><track id="qgqbi"></track><tr id="qgqbi"></tr><video id="qgqbi"></video><xmp id="qgqbi"><span id="qgqbi"></span></xmp><span id="qgqbi"></span><strong id="qgqbi"><em id="qgqbi"><sup id="qgqbi"><progress id="qgqbi"></progress></sup></em></strong><dl id="qgqbi"><small id="qgqbi"></small></dl><wbr id="qgqbi"></wbr><noscript id="qgqbi"></noscript><tr id="qgqbi"></tr><track id="qgqbi"><dl id="qgqbi"></dl></track><label id="qgqbi"><em id="qgqbi"></em></label><tbody id="qgqbi"></tbody><blockquote id="qgqbi"></blockquote><dfn id="qgqbi"><center id="qgqbi"></center></dfn><sub id="qgqbi"></sub><u id="qgqbi"></u><noframes id="qgqbi"></noframes><menu 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tcPro"><section class="home-main container clearfix"><div id="dsc4gl3" class="twoCol"><div id="lk2qnue" class="page-proshow clearfix"><p class="current"> 當前位置:<a href="http://www.cdcfah.com/">首頁?<a href="http://www.cdcfah.com/cp/">產品供應</a>?<a href="http://www.cdcfah.com/cp/first-_jxjxysb/">機械及行業(yè)設備</a>?<a href="http://www.cdcfah.com/cp/second-jxjxysb_zzjrclsbfg/">鑄造及熱處理設備</a>?<a href="http://www.cdcfah.com/cp/third-zzjrclsbfg_gongyeluyu/">工業(yè)爐</a>?四川快速馬弗爐品牌誠信為本納博熱工業(yè)爐供應</p><div id="eycg92l" class="leftbox clearfix"><h1>四川快速馬弗爐品牌誠信為本納博熱工業(yè)爐供應</h1><div id="rqsbk7v" class="proBig"><div id="scjnmd8" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/nabore/637344613513720703/6669174.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="i74bipo" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/nabore/637344613513720703/6669174.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="sh73xmj" class="content"><p><span>需求數量：</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>產品關鍵詞：</span>四川快速馬弗爐品牌,馬弗爐</p><p><span>***更新：</span>2020-12-03 00:26:19</p><p><span id="click" >瀏覽次數：0次</span></p><a rel="nofollow" class="button">聯系我們</a></div></div><div id="oifce7l" 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>網址: </span>http://www.nabertherm-cn.com</p><p><span>手機: </span>021-64902960</p><p><span>地址: </span>瓶北路150弄158號</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="kebifr8" class="page-proshow02"><p class="title">詳細說明</p><div id="2pjk83k" class="box"><p><p style="text-indent:25px">馬弗爐幾次循環(huán)加熱后，爐子的絕緣材料可能出現裂紋，這些裂紋是熱膨脹引起的，對爐子的質量沒有影響。馬弗爐為實驗用品，不得移作它用，樣品一定要用潔凈的坩堝盛放，不得污染爐膛。電阻爐使用時，要經常照看，防止自控失靈造成事故，晚間無人值班時，切勿使用電阻爐。馬弗爐使用完畢，應切斷電源，使其自然降溫。不應立即打開爐門，以免爐膛突然受冷碎裂，如急用，可先開一條小縫，讓其降溫加快，待降溫度降至200℃以下時，四川快速馬弗爐品牌，方可開爐門，四川快速馬弗爐品牌。使用馬弗爐時，需注意安全，謹防傷到自己，四川快速馬弗爐品牌。馬弗爐是一種通用的加熱設備，依據外觀形狀可分為箱式爐、管式爐、坩堝爐。四川快速馬弗爐品牌</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="四川快速馬弗爐品牌,馬弗爐" src="https://tyunfile.71360.com/UploadFile/nabore/637344613513720703/6669174.png"></div><p style="text-indent:25px">馬弗爐是一種通用的加熱設備，根據外形形狀可分為箱式爐，管式爐和爐子。它是用來進行加熱的機械，下面小編帶大家了解一下它的內部是如何進行綜合傳熱的。在馬弗爐熱交換中，通常至少要分成三個不同的溫度區(qū)：爐氣、爐墻和被加熱的金屬。其中以爐氣的溫度較高；爐墻溫度次之；被加熱的金屬溫度較低。這樣，在爐所與爐墻之間、爐氣與金屬之間以及爐墻與金屬之間，以輻射和對流的方式進行著熱交換，還有由于爐墻的導熱而發(fā)生的熱損失（該熱損失對于爐內的熱交換也是有一定影響的）。廣東廂式馬弗爐企業(yè)硅碳棒高溫電阻爐在正常功率使用時，溫度升至800℃左右，可以適當加大電爐功率。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="四川快速馬弗爐品牌,馬弗爐" src="https://tyunfile.71360.com/UploadFile/nabore/637344613492187500/8826236.png"></div><p style="text-indent:25px">智能馬弗爐測定條件：在預先灼燒至質量恒定的灰皿中，稱取粒度小于0.2mm的空氣干燥煤樣(1±0.1)g，稱準到0.0002g均勻地毯平在灰皿中，使其每平方厘米的質量不超過0.15g。開機，復位時，先按“確認”鍵進入功能選擇界面，然后按“上鍵”或“下鍵”鍵選擇“灰分”功能，并按“確認”鍵試驗。自動進入“進程0”檢測爐溫是否小于100℃，如大于100℃，請打開爐門降溫，如小于100℃，將放有灰皿的灰皿架放入馬弗爐恒溫區(qū)中，關上爐門并使爐門留有15mm左右的縫隙。自動進入“進程1”，緩慢升溫至500℃，30min后音響提示。自動進入“進程2”，在500℃溫度下保持30min，時間到，音響提示。自動進入“進程3”，繼續(xù)升溫至800℃，溫度達到時，音響提示。自動進入“進程4”，繼續(xù)升溫至815℃，溫度達到時，音響提示。自動進入“進程5”，在(815±10)℃溫度下灼燒1h，時間到，音響提示，打開爐門，從爐中取出灰皿，放在耐熱瓷板或石棉板上，在空氣中冷卻5min左右，移入干燥器中冷卻至室溫（約30min）后稱量。從爐中取出灰皿后，應關上爐門，爐溫保持在815℃等待指示。</p><p style="text-indent:25px">馬弗爐的用途是非常普遍的，它還可以供實驗室、工礦企業(yè)、科研單位作元素分析測定和一般小型鋼件淬火、退火、回火等熱處理時加熱用，高溫爐還可作金屬、陶瓷的燒結、溶解、分析等高溫加熱用。馬弗爐其實就是爐子、熔爐的意思。馬弗爐是根據爐溫對給定溫度的偏差，自動接通或斷開供給的熱源能量，或是連續(xù)改變熱源能量的大小，使爐溫穩(wěn)定且有給定溫度范圍，來滿足熱處理工藝的需要。馬弗爐應用范圍較廣，可以作重量分析：有機物及煤炭的灰分測定等。馬弗爐應用范圍較廣，可以作重量分析：有機物及煤炭的灰分測定等。加熱元件用特殊的耐火材料制造，并完全隱蔽在內壁內，避免與可腐蝕性的氣體、蒸汽等接觸，而延長了其使用壽命。馬弗爐的安全操作規(guī)程：開爐前應檢查煤氣管道閥門密封性和煤氣管路上的壓力不能低于規(guī)定值。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="四川快速馬弗爐品牌,馬弗爐" src="https://tyunfile.71360.com/UploadFile/nabore/637344613446962890/1710257.png"></div><p style="text-indent:25px">馬弗爐羅茨泵、機械泵工作時產生振動，會造成設備的緊固件（如螺栓）松動，每隔2-3個月將設備的螺栓重新緊一遍。檢查真空規(guī)管和測量儀表是否到了校驗期，規(guī)管的安裝及密封是否發(fā)生了變化。檢查機械泵排氣口有無堵塞，排氣管道是否暢通，否則會引起泵內壓力過高，導致密封損壞或噴油。檢查機械泵的止氣電磁閥的動作，正常情況下，機械泵停止時電磁閥自動關閉，避免返油的發(fā)生。檢查擴散泵加熱器有無斷路故障。檢查泵用冷卻水、冷阱用冷卻水是否暢通，管路的水壓開關和流量繼電器動作是否正常。檢查氣動真空閥門或電磁真空閥門的工作情況，有無動作不靈活和卡死現象。馬弗爐具有測量控制精度高、效率高（節(jié)能）、性能穩(wěn)定可靠、操作方便、自動化程度高等特點。廣東廂式馬弗爐企業(yè)</p><p style="text-indent:25px">馬弗爐有 2 種形式的控制器：一體控制器和**控制器。四川快速馬弗爐品牌</p><p style="text-indent:25px">馬弗爐加熱時應及時預防和做好密封容器或適當開孔加以排除。熱電偶不能與石英管接觸，電爐和控制柜整體接地，接地線接地電阻應小于4Ω，電阻絲接線方式:二根并聯，電源:單相220V(或380V)，檢查及緊固由于運輸等原因，應檢查爐體各螺釘的緊固情況，確認無誤，管式爐爐管內外受哪些腐蝕影響。高溫爐如何保證使用效果，"管式爐爐管內外受哪些腐蝕影響，管式爐的工作原理是:燃料在管式爐的輻射室(極少數在單獨的燃燒室)內燃燒，釋放出的熱量主要通過輻射傳熱和對流傳熱傳遞給爐管，免得焚燒毀滅電熱元件，嚴禁向爐內注入各種液體及易溶解的金屬。四川快速馬弗爐品牌</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2238207.html</p></div></div></div></div></div><div id="lk38wvc" class="page-right twoColRt"><div id="bqnpr22" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="h7wtldk" 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="87jl34n" class="recomPic likePro"><a 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