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src="https://tyunfile.71360.com/UploadFile/nabore/637358676477578125/6874519.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="xfww27u" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/nabore/637358676477578125/6874519.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="khi3cfv" 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)品關鍵詞：</span>河南德國進口真空爐專業(yè),真空爐</p><p><span>***更新：</span>2021-01-30 03:11:10</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="g3dxy4h" 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: </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="uflxtci" class="page-proshow02"><p class="title">詳細說明</p><div id="cab8htf" class="box"><p><p style="text-indent:25px">真空爐般由主機、爐膛、電熱裝置、密封爐殼、真空系統(tǒng)、供電系統(tǒng)、控溫系統(tǒng)和爐外運輸車等組成。利用真空系統(tǒng)（由真空泵、真空測量裝置、真空閥門、爐體、控制系統(tǒng)等部件經(jīng)過精心組裝而成）將爐腔內部分物質排出，使爐腔內壓強小于個標準大氣壓，爐腔內空間從而實現(xiàn)真空狀態(tài)，在真空狀態(tài)下通過電熱元件加熱的設備，河南德國進口真空爐專業(yè)。開始前:檢查水源、電源、氣源情況是否正常;檢查爐子各部分是否處于正常狀態(tài);檢查隔熱、隔氣閥應處于關閉狀態(tài);總電源合閘，檢查各指示燈是否正常。真空放氣閥應處于關閉狀態(tài)。打開水冷系統(tǒng)總開關及各冷卻部位截止閥，檢查各排水管，保證水流暢通，保證水壓0.3Mpa，河南德國進口真空爐專業(yè)。真空高溫釬焊爐主要適用于不銹鋼、高溫合金，河南德國進口真空爐專業(yè)、硬質合金、有色金屬等材料的真空釬焊。河南德國進口真空爐專業(yè)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="河南德國進口真空爐專業(yè),真空爐" src="https://tyunfile.71360.com/UploadFile/nabore/637358676477578125/6874519.png"></div><p style="text-indent:25px">真空熱處理技術是近些年發(fā)展起來的一種新型的熱處理技術。應用非常普遍，那么真空熱處理工藝和優(yōu)點有那些呢？簡單為大家介紹一下。真空熱處理的優(yōu)越性:真空熱處理是和可控氣氛并駕齊驅的應用面很廣的無氧化熱處理技術，也是當前熱處理生產(chǎn)技術先進程度的主要標志之一。真空熱處理不僅可實現(xiàn)鋼件的無氧化、無脫碳，而且還可以實現(xiàn)生產(chǎn)的無污染和工件的少畸變，因而它還屬于清潔和精密生產(chǎn)技術范疇。目前它已成為工模具生產(chǎn)中不可替代的先進技術。真空熱處理工藝:工件畸變小是真空熱處理的一個非常重要的優(yōu)點。河南德國進口真空爐專業(yè)真空是種不存在任何物質的空間狀態(tài)，是種物理現(xiàn)象。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="河南德國進口真空爐專業(yè),真空爐" src="https://tyunfile.71360.com/UploadFile/nabore/637358676315527344/3650319.png"></div><p style="text-indent:25px">隨著相關技術的不斷進步，不僅真空熱處理設備取得了較大發(fā)展，而且與其相關的配套產(chǎn)品也取得了長足進步。比如，我國已經(jīng)能夠生產(chǎn)各類真空泵、真空閥、真空測量儀器等，甚至，就連一些以前無法實現(xiàn)自主生產(chǎn)的配套產(chǎn)品（例如爐內使用的由金屬和石墨材質制成的保溫層和發(fā)熱元件等）也實現(xiàn)了自產(chǎn)，并且，部分產(chǎn)品的性能和質量已經(jīng)接近或達到了國外同類產(chǎn)品的水平?？梢哉f，相關配套產(chǎn)業(yè)的快速發(fā)展，有效地促進了我國真空熱處理水平的整體進步。我國有自己獨特的國情和特殊的客戶需求，隨著國產(chǎn)真空熱處理爐在很多關鍵技術上取得突破，一些專門針對我國國情和特殊客戶需求而開發(fā)的真空熱處理設備更有效地促進了相關應用領域的發(fā)展。</p><p style="text-indent:25px">安裝在真空爐體上的部件、附件等如水冷電極、熱電偶導出裝置也都必須設計密封結構。大部分加熱與隔熱材料只能在真空狀態(tài)下使用：真空熱處理爐的加熱與隔熱襯料是在真空與高溫下工作的，因而對這些材料提出了耐高溫，蒸汽壓低，輻射效果好，導熱系數(shù)小等要求。對抗氧化性能要求不高。所以，真空熱處理爐普遍采用了鉭、鎢、鉬和石墨等作加熱與隔熱構料。這些材料在大氣狀態(tài)下極易氧化，因此，常規(guī)熱處理爐不能采用這些加熱與隔熱材料。水冷裝置，真空熱處理爐的爐殼、爐蓋、電熱元件導別處置(水冷電極)、中間真空隔熱門等部件，均在真空、受熱狀態(tài)下工作。真空水冷系統(tǒng):由各種閥管道相關裝置組成且設有斷水聲光報警自動切斷加熱源或功能。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="河南德國進口真空爐專業(yè),真空爐" src="https://tyunfile.71360.com/UploadFile/nabore/637358676283769531/1158359.png"></div><p style="text-indent:25px">在極為不利的條件下工作，必須保證各部件的結構不變形、不損壞，真空密封圈不過熱、不燒毀。因此，各部件應該根據(jù)不同的情況設置水冷裝置，以保證真空熱處理爐能夠正常運行并有足夠的使用壽命。采用低電壓大電流：在真空容器內，當真空空度為幾托一lxlo-1托的范圍內時，真空容器內的通電導體在較高的電壓下，會產(chǎn)生輝光放電現(xiàn)象。在真空熱處理爐內，嚴重的會產(chǎn)生弧光放電，燒毀電熱元件、隔熱層等，造成重大事故和損失。因此，真空熱處理爐的電熱元件的工作電壓，一般都不超過80一100伏。真空爐完全消除了加熱過程中工件表面的氧化、脫碳，可獲得無變質層的清潔表面。四川廂式真空爐技術</p><p style="text-indent:25px">真空熱處理爐正常工作時是在限的真空度下進行的。河南德國進口真空爐專業(yè)</p><p style="text-indent:25px">真空爐是在密閉爐體內布滿熱媒水形成負壓的真空環(huán)境。熱媒水通過燃燒或其他方式加熱，由熱媒水蒸發(fā)和冷凝到熱互換器，然后由熱互換器加熱待加熱的水。真空鍋爐的熱轉換示意：油、天然氣、氣、電-->燃燒（電轉換熱）－>熱媒水-->沸騰后的蒸汽冷凝換熱-->換熱器-->導熱-->水。真空鍋爐的工作原理：利用水的低沸點特性低壓下，迅速加入熱封爐體內布滿的熱媒水，使熱媒水沸騰蒸發(fā)，熱互換管上固結的高溫水蒸汽和水蒸汽加熱熱互換管內的冷水供給熱水。河南德國進口真空爐專業(yè)</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/3072698.html</p></div></div></div></div></div><div id="mkgmn4k" class="page-right twoColRt"><div id="3psykdt" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="ig89pbs" class="recomPic likePro"><a 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