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class="page-proshow02"><p class="title">詳細說明</p><div id="npxvlbp" class="box"><p><p style="text-indent:25px">眾所皆知管式爐是測定材料在一定氣溫條件下的專業(yè)設(shè)備操作較為容易方便于控制，能連續(xù)進行生產(chǎn)主要是應用于大專院校、科研院所、工礦企業(yè)等實驗和小批量生產(chǎn)之用。具有安全可靠、操作簡單、控溫精度高、保溫效果好、溫度范圍大、爐膛溫度均勻性高、溫區(qū)多、可選配氣氛、抽真空爐型等，管式爐也有很多種分類，從管式爐的使用溫度分，吉林快速管式爐哪家好，可分為：1800度管式爐，1600度管式爐，1400度管式爐，1700度管式爐等從管式爐使用的管子分，可分為：高溫真空管式爐，立式真空管式爐，實驗室管式爐等從管式爐爐體形態(tài)分，可分為：立式管式爐，臥式管式爐等管式爐還有單溫區(qū)管式爐和多溫區(qū)管式爐之分。一體式管式爐和分體式管式爐之分。旋轉(zhuǎn)管式爐和普通管式爐之分，吉林快速管式爐哪家好。從管式爐使用的加熱元件分，可分為：管式爐絲管式爐，硅碳棒管式爐，吉林快速管式爐哪家好，硅鉬棒管式爐等。管式爐的優(yōu)點：裂解氣和煙道氣的大部分可以設(shè)法回收。吉林快速管式爐哪家好</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="吉林快速管式爐哪家好,管式爐" src="https://tyunfile.71360.com/UploadFile/nabore/637388018898191714/1535983.png"></div><p style="text-indent:25px">管式爐使用方法注意：管式爐操作工應具備國家相應電氣設(shè)備操作資格，并熟讀本電窯隨機儀表說明書等技術(shù)文件。溫度系統(tǒng)操作：用戶開關(guān)板給管式爐送電，此時程序表得電，按溫度儀表說明書設(shè)定儀表（如P、I、D參數(shù)），按工藝要求編制加熱程序，打開加熱旋鈕,使加熱功率到達6KW。加熱功率可按下式計算：加熱功率=儀表電壓×儀表電流。正常加熱電流約為： 22A，加熱電壓約為：220V。加熱停止：程序溫度結(jié)束后，執(zhí)行時間=0段程序，加熱結(jié)束。將停止按扭旋至關(guān)位分斷用戶開關(guān)。吉林快速管式爐哪家好在管式爐使用前務必先接通水冷卻回路（下進上出）冷卻爐口，嚴禁缺水使用。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="吉林快速管式爐哪家好,管式爐" src="https://tyunfile.71360.com/UploadFile/nabore/637388018519666306/5092169.png"></div><p style="text-indent:25px">管式爐使用惰性氣體作為工作氣體時: ①接通工作氣體氣路，將管式爐氣體出口端連接機械泵。 ②打開管式爐進氣閥，合上真空泵電源，打開出氣閥（注意把住法蘭，避免爐管受力過大），抽空剛玉管和氣體管路。 ③當管式爐真空表到-0.1（指針到盡頭時），關(guān)閉出氣閥，關(guān)閉進氣閥。 ④逆時針旋動旋鈕開氣瓶主閥，順時針旋動旋鈕，緩慢打開出口減壓閥，使出口氣壓在0.004MPa（2小格）。 ⑤逆時針旋動旋鈕，緩慢打開管式爐進氣閥；密切注意管式爐氣壓表，確認氣壓在0.08MPa以下（如氣壓高于0.08MPa，打開管式爐出氣閥放氣）。 ⑥管式爐氣壓表當氣壓穩(wěn)定時，關(guān)閉管式爐進氣閥，打開出氣閥，抽真空到-0.1，關(guān)管式爐出氣閥。 ⑦重復4、5步兩次。 ⑧關(guān)機械泵，打開管式爐進氣閥。</p><p style="text-indent:25px">管式爐使用應該注意： 1、程序設(shè)定溫度不得高于管式爐參數(shù)溫度。 2、管式爐工作時，不得打開爐門。取產(chǎn)品時，應等到爐溫100℃以下。 3、升溫加熱時，加熱功率不得超過6KW，否則將損傷加熱元件。針對實驗室的使用要求，裝卸料采用間歇式手動裝、卸料。裝料時將料盒放置在料盆支架上，打開并取出爐管一端的密封端蓋，放入帶料盒的料盒支架，再將密封端蓋安裝在爐管法蘭上并擰緊卡箍螺栓。然后通人工藝氣氛，直到爐管內(nèi)氧含量達到工藝要求時進行升溫燒結(jié)。產(chǎn)品燒結(jié)工藝完成后，應繼續(xù)通人小量的工藝氣氛并進行降溫，直到爐內(nèi)溫度低于工藝要求時，方可打開爐管密封端蓋取出產(chǎn)品。管式爐主要應用于大專院校、科研院所、工礦企業(yè)等實驗和小批量生產(chǎn)之用。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="吉林快速管式爐哪家好,管式爐" src="https://tyunfile.71360.com/UploadFile/nabore/637388018623748367/1982719.png"></div><p style="text-indent:25px">管式爐調(diào)節(jié)和控制輻射部分的對流部分的溫度。煙囪開度的調(diào)節(jié)是增加吸力，吸力大，進氣量大。下部溫度高，溫度上部低。有時火會突然熄滅。大擋板的吸力增加，對流段的溫度不可避免地升高，并且在輻射段相對下降之后煙囪的溫度升高。突然滅火的原因是它是多樣化的，但可能是由不穩(wěn)定的氣體壓力引起的。擋板開口可能太大了。火焰拉得太久的重要原因。應從各個方面考慮管式爐的選擇。首先考慮的是熱負荷的大小，加熱介質(zhì)的性質(zhì)和運行周期等。其次，考慮安裝和維護方便，投資少的原則。結(jié)合現(xiàn)場條件和余熱回收系統(tǒng)的熱點，一般管式爐的選擇應遵循以下原則： 1.爐管價格昂貴，需要提供爐管的表面利用率，或者需要減少加熱面積，縮短工藝長度，減少壓降，單爐型應選擇 - 管雙面輻射。 2.當加熱的介質(zhì)發(fā)生化學反應時，爐內(nèi)的溫度場應適應管內(nèi)的化學反應過程。應選擇單排管雙面輻射箱爐。 3.加熱介質(zhì)以氣相為連續(xù)相，體積流量大，當壓降要求小時，適合選擇箱式垂直管型，U型，倒U型或箱式線圈式箱式爐，小負荷也可以使用提升筒式爐，其中線圈連接到收集管。管式爐雙層較好碳鋼板、表面防銹耐高溫烤漆處理。吉林快速管式爐哪家好</p><p style="text-indent:25px">管式爐具有抗干擾能力強，控制精度高，沖溫值小的特點。吉林快速管式爐哪家好</p><p style="text-indent:25px">管式爐由加熱爐本體和余熱回收系統(tǒng)組成，管式加熱爐爐體內(nèi)設(shè)置有煙囪檔板，加熱爐本體于煙囪檔板下方設(shè)置有高溫煙氣出口，余熱回收系統(tǒng)包括空氣預熱器，其特征在于：空氣預熱器由非冷凝式空氣預熱器和冷凝式空氣預熱器兩段組成。管式爐主要應用于大專院校、科研院所、工礦企業(yè)等實驗和小批量生產(chǎn)之用。具有安全可靠、操作簡單、控溫精度高、保溫效果好、溫度范圍大、爐膛溫度均勻性高、溫區(qū)多、可選配氣氛、抽真空爐型等。管式爐的使用方法：準備工作 1、設(shè)計升降溫曲線，升溫速率不得高于10℃/分鐘，降溫速率應低于15℃/分鐘。 2、清掃環(huán)境。 3、每周開始使用管式爐時，檢查機械泵油線處于標線以上，拆除兩端蓋，用吸塵器清潔剛玉爐管。 4、將樣品舟推入剛與管爐膛中部（恒溫長度10cm）。 5、塞上兩塊隔熱爐塞，使第二個爐塞的末端與爐體側(cè)面平齊。 6、裝上氣爐法蘭，確認密封墊落入槽中。吉林快速管式爐哪家好</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2976126.html</p></div></div></div></div></div><div id="qg4e2s0" class="page-right twoColRt"><div id="es2keus" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="uka2sgo" 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