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<meta http-equiv="Cache-Control" content="no-siteapp" /> <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 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信息推薦深圳市迪斯普設(shè)備供應(yīng)</h1><div id="8sct5mv" class="proBig"><div id="nlhigbs" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/dsp168/637364508879296875/9154712.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="l8kjni8" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/dsp168/637364508879296875/9154712.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="qi3hj83" 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(guān)鍵詞：</span>茂名真空管式爐廠家**,爐</p><p><span>***更新：</span>2021-02-02 05:16:47</p><p><span id="click" >瀏覽次數(shù)：1次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="k8mypyu" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">深圳市迪斯普設(shè)備有限公司</a></p><p><span>聯(lián)系人：</span>廖廷峰</p><p><span>郵箱: </span>821742327@qq.com</p><p><span>電話: </span>13824381687</p><p><span>傳真: </span>0755_</p><p><span>網(wǎng)址: </span>http://www.dsp18.com</p><p><span>手機: </span>0755-28909182</p><p><span>地址: </span>平湖街道水門路104號2棟301室</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="qjfghdp" class="page-proshow02"><p class="title">詳細說明</p><div id="znoamst" class="box"><p><p style="text-indent:25px">PECVD管式爐的具體工藝流程？硅烷與氨氣反應(yīng)生成SiN淀積在硅片表面形成減反射膜。利用高頻電源輝光放電產(chǎn)生等離子體對化學(xué)氣相沉積過程施加影響的技術(shù)。由于等離子體存在，促進氣體分子的分解、化合、激發(fā)和電離，促進反應(yīng)活性基團的生成，從而降低沉積溫度。PECVD在200℃～500℃范圍內(nèi)成膜，遠小于其它CVD在700℃～950℃范圍內(nèi)成膜。反應(yīng)過程中有大量的氫離子注入到硅片中，使硅片中懸掛鍵飽和、缺陷失去活性，茂名真空管式爐廠家**，達到表面鈍化和體鈍化的目的，茂名真空管式爐廠家**，茂名真空管式爐廠家**。管式爐具有抗干擾能力強，控制精度高，沖溫值小。茂名真空管式爐廠家**</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="茂名真空管式爐廠家**,爐" src="https://tyunfile.71360.com/UploadFile/dsp168/637364508879296875/9154712.png"></div><p> 立式管式爐的詳細使用方法以及在使用的時候需要注意哪些?1、操作人員在使用立式管式爐之前，要具有相應(yīng)的電氣設(shè)備操作資格，并且還要熟悉立式管式爐隨機的儀表說明書。用戶開關(guān)板是給電爐送電的，這個之后程序表就有了電，然后根據(jù)溫度儀表說明書來設(shè)定儀表，根據(jù)工藝的要求來編制加熱程序，打開加熱旋鈕，讓加熱功率達到6千瓦。2、程序設(shè)定的溫度不能高于電爐的參數(shù)溫度；立式管式爐在工作的時候，不能打開爐門，在取出產(chǎn)品的時候，要等到爐溫下降到100攝氏度以下才可以；立式管式爐在升溫加熱的時候，其加熱功率不能超過6千瓦，否則的話會損壞加熱元件。3、立式管式爐使用或長時間不用時，要在120℃左右烘烤1小時，在300℃左右烘烤2小時后使用，以免造成爐膛開裂，爐溫不得超過額定溫度，以免損壞加熱元件及爐襯，禁止向爐膛內(nèi)直接灌注各種液體及溶解金屬，保持爐內(nèi)的清潔。冷爐使用時，由于爐膛是冷的，須大量吸熱，所以低溫段升溫速率不易過快，各溫度段的升溫速率差別不易太大，設(shè)置升溫速率時應(yīng)充分考慮所燒結(jié)材料的物理化學(xué)性質(zhì)，以免出現(xiàn)噴料現(xiàn)象，污染爐膛。茂名真空管式爐廠家**爐子要避免熱處刪產(chǎn)品，尤其足銅、鋁、鋅、錫、鉛等與電加熱元件接觸。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="茂名真空管式爐廠家**,爐" src="https://tyunfile.71360.com/UploadFile/dsp168/637364508780878907/3962007.png"></div><p style="text-indent:25px">箱式氣氛爐的特點： 1、殼體采用不錯冷軋鋼板雙層結(jié)構(gòu)獨特設(shè)計，殼體顏色漆經(jīng)過高溫烘烤而成，經(jīng)久耐用。 2、配有風(fēng)冷系統(tǒng)，該爐具有溫場均衡、表面溫度低、升降溫度速率快等優(yōu)點。 3、真空系統(tǒng)采用特種設(shè)計，真空度可達20kPA，氣氛爐壓力0.1MPA，超壓自動、手動排氣功能，使用安全可靠。 4、內(nèi)箱采用整體密封，并通有水冷系統(tǒng)，閥控配有進氣閥、排氣閥、抽真空閥，可充氮氣、氬氣等切惰性氣體。 5、爐膛采用進口陶瓷氧化鋁多晶莫來石纖維材料經(jīng)獨特工藝構(gòu)筑，比傳統(tǒng)電爐節(jié)能 6、控制系統(tǒng)采用微電腦人工智能調(diào)節(jié)技術(shù)，具有PID調(diào)節(jié)、模糊控制、自整定功能，50段程序編程，并可編制各種升溫、恒溫、降溫程序，控溫度高。 7、晶體模塊化可控硅控制、移相觸發(fā)；進口不錯硅碳棒為加熱元件。 8、保護裝置采用**超溫保護、過流、漏電、短路保護，箱式氣氛爐爐膛采用莫來石聚輕磚砌筑，爐膛內(nèi)上下用碳化硅棚板，爐內(nèi)溫度是加熱元件在加熱過程中經(jīng)過碳化硅棚板傳導(dǎo)溫度更均勻。</p><p> 鍋爐操作的注意事項：1、鍋爐安全閥：安全閥室鍋爐的較重要安全裝置之一，能起到在超壓時及時泄放降壓的作用。安全閥應(yīng)該定期進行整定才能投入使用，使用過程中要定期手動排放或定期進行功能試驗，以保證不出現(xiàn)銹死卡住等導(dǎo)致安全閥失靈的問題出現(xiàn)。2、鍋爐水位表：蒸汽鍋爐的水位表是直觀表現(xiàn)鍋爐內(nèi)水位位置的裝置，高于或低于水位表正常水位都是嚴重的操作錯誤，極容易導(dǎo)致事故的發(fā)生，因此要定期進行水位表沖洗并在使用過程中密切觀察水位位置。3、鍋爐壓力表：壓力表直觀反映鍋爐運行壓力值，指示操作人員決不能超壓運行。因此壓力表要求每半年校驗一次，確保靈敏可靠。4、鍋爐排污裝置：排污裝置是排出鍋爐內(nèi)水垢雜質(zhì)的設(shè)備，能有效控制鍋爐不結(jié)垢不堆渣，同時經(jīng)常觸摸排污閥的后部管道還可以檢查是否存在泄漏問題。5、鍋爐的定壓膨脹裝置：熱水鍋爐的定壓膨脹裝置是防止鍋爐汽化超壓的有效設(shè)備，也是保證熱水系統(tǒng)順暢流通不積氣的有效設(shè)備，用戶要確保其好用。6、常壓鍋爐：常壓鍋爐如果安裝正確不會出現(xiàn)超壓問題，但常壓鍋爐冬季一定要注意防凍，如果管路凍死必須人工解凍方可使用，否則就會發(fā)生管路堵死超壓，這一點至關(guān)重要。真空箱式爐以1800型硅鉬棒為加熱元件，采用雙層殼體結(jié)構(gòu)和廈門宇電50段程序控溫系統(tǒng)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="茂名真空管式爐廠家**,爐" src="https://tyunfile.71360.com/UploadFile/dsp168/637364508916396485/5956580.png"></div><p> 多溫區(qū)管式爐注意事項：1.多溫區(qū)管式爐操作注意事項爐子初次使用或長時間不用后，要在120度左右烘爐1小時，在300度左右烘烤2小時后使用，以免造成爐膛開裂。爐溫不得超過額定溫度，以免損壞加熱元件及爐襯。2.禁止向爐膛內(nèi)直接灌注各種液體及溶解金屬，保護顱內(nèi)清潔。3.爐體若采用硅鉬棒做加熱元件，依據(jù)硅鉬棒的物理特性，常溫下脆性很大，因此在加熱元件安裝好后不能隨意拆裝和搬動爐體，4.冷爐使用時，由于爐膛是冷的，須大量吸熱，所以低溫段升溫速率不宜過快，各種溫度段的升溫速率差別不宜太大，設(shè)置升溫速率時應(yīng)充分考慮所燒結(jié)材料的物理化學(xué)性質(zhì)，以免出現(xiàn)噴料現(xiàn)象，污染爐膛，5.定期檢查溫度控制系統(tǒng)的電器連接部分的接觸是良好，應(yīng)特別注意加熱元件的各連接是否緊固。6.硅鉬棒作為加熱元件時不宜在400-700度溫度段長時間運行，否則硅鉬棒將發(fā)生低溫氧化。7.硅鉬棒做加熱元件時，長時間運行，阻值會逐漸增大，這種現(xiàn)象叫“老化”。真空管式爐在使用離心機之前，將其放置在穩(wěn)固，堅固的地面上。茂名多溫區(qū)管式爐特價</p><p style="text-indent:25px">真空管式爐熱電偶不要在高溫時驟然拔出，以防外套炸裂。茂名真空管式爐廠家**</p><p> 多溫區(qū)管式爐的保養(yǎng)：一、爐子使用或長時間不用后，要在120℃左右烘烤1小時，在300℃左右烘烤2小時后使用，以免造成爐膛開裂。爐溫盡量不要超過額定溫度，以免損壞加熱元件及爐襯。禁止向爐膛內(nèi)直接灌注各種液體及溶解金屬，保持爐內(nèi)的清潔。二、爐膛若采用剛玉爐管，依據(jù)剛玉材料的物理性質(zhì)，各溫區(qū)的升﹑降溫速率不宜過快（≤5℃），嚴禁在爐管100℃以上取送物料。有利于爐管的熱應(yīng)力的均勻釋放，以延長爐管的使用壽命。爐膛若采用石英管，當溫度高于1000℃時，石英管的高溫部分會出現(xiàn)不透明現(xiàn)象，這叫失透（又叫析晶性）是石英管的一個固有缺陷，屬正?，F(xiàn)象。三、管式爐在氣氛條件下使用，氣體在高溫下會膨脹，導(dǎo)致管內(nèi)壓力變大，使用者應(yīng)及時開啟針閥，排出氣體。茂名真空管式爐廠家**</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/3121340.html</p></div></div></div></div></div><div id="zxojawm" class="page-right twoColRt"><div id="imizvbx" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="dritplm" 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(yīng)" class="vcenter" 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