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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="fvjzf7z" 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="d9vlpd7" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="xb77bdv" class="box"><p><p style="text-indent:25px">臺車爐高爐爐身段開有大量用于安裝冷卻壁的孔洞生產(chǎn)工況中，浙江臺車爐廠家，高爐爐身段開有大量用于安裝冷卻壁的孔洞，其存在很大程度的削弱了爐身段的剛度?；诒疚闹黝}建立局部模型，考慮施加底部約束時(shí)，浙江臺車爐廠家，豎向和環(huán)向固定約束，徑向先施加下部爐身段開孔率為30%的線性變化位移約束(開孔率是爐身各段所有開孔面積與相應(yīng)爐身段爐殼面積之比)。本文通過建立爐身段不同開孔率的下部約束模型，觀察其對上部爐頂封罩開孔受力性能的影響大小，浙江臺車爐廠家，然后予以比對。通過對臺車爐高爐爐身段不同開孔率時(shí)進(jìn)行AN-SYS建模，進(jìn)行了線彈性及非線性彈塑性有限元計(jì)算分析。得出如下結(jié)論: (1)標(biāo)準(zhǔn)荷載下，模擬條件的爐身各開孔率均使?fàn)t頂封罩孔洞周邊處于彈性狀態(tài)。 (2)將爐身段30%開孔率時(shí)產(chǎn)生的底部徑向位移線性化處理后作為爐頂封罩局部模型的徑向邊界約束，在標(biāo)準(zhǔn)荷載下模擬爐頂封罩的受力性能是完全可行的。臺車爐爐門升降時(shí)必須由導(dǎo)向輪等保持爐門與密封面不相接觸而垂直運(yùn)動。浙江臺車爐廠家</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="浙江臺車爐廠家,臺車爐" src="https://tyunfile.71360.com/UploadFile/nabore/637383581606962891/9379738.png"></div><p style="text-indent:25px">臺車爐按結(jié)構(gòu)可分為火管鍋爐和水管鍋爐?；鸸苠仩t中，煙氣在管內(nèi)流過，水管鍋爐中，汽水在管內(nèi)流過。按蒸發(fā)受熱面內(nèi)工質(zhì)的流動方式可分為自然循環(huán)鍋爐、強(qiáng)制循環(huán)鍋爐、直流鍋滬和復(fù)合循環(huán)鍋滬。自然循環(huán)鍋爐具有鍋筒，利用下降管和上升管中工質(zhì)密度差產(chǎn)生工質(zhì)循環(huán)，只能在臨界壓力以下應(yīng)用口直流鍋爐無鍋筒，給水靠水泵壓頭一次通過受熱面，適用于各種壓力。強(qiáng)制循環(huán)鍋爐在循環(huán)回路的下降管與上升管之問設(shè)置循環(huán)泵用以輔助水循環(huán)并作強(qiáng)制流動，又稱輔助循環(huán)鍋爐或控制循環(huán)鍋爐。復(fù)合循環(huán)鍋爐是介于強(qiáng)制循環(huán)鍋爐和直流鍋爐之間的一種鍋爐。臺車爐在高負(fù)荷時(shí)按直流鍋爐模式運(yùn)行，而在低負(fù)荷時(shí)按強(qiáng)制循環(huán)鍋爐模式運(yùn)行，循環(huán)泵只在低負(fù)荷下工作。廣東節(jié)能臺車爐企業(yè)通過對臺車爐高爐爐身段不同開孔率時(shí)進(jìn)行AN-SYS建模，進(jìn)行了線彈性及非線性彈塑性有限元計(jì)算分析。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="浙江臺車爐廠家,臺車爐" src="https://tyunfile.71360.com/UploadFile/nabore/637383582316972656/2750962.png"></div><p style="text-indent:25px">臺車爐產(chǎn)品系列： 1.高溫系列（爐溫0～1200℃）臺車式加熱爐(5噸-100噸)適用于高合金鋼的高溫正火、退火、淬火、軋輥高溫退火和不銹鋼零件的固溶處理加熱； 2.中溫系列（爐溫0～950℃）臺車式加熱爐(5噸-100噸)適用于一般金屬零件，在空氣中進(jìn)行正火、退火、淬火等熱處理加熱。高速鋼材料和軸承鋼材料的裝罐退火； 3.低溫系列（爐溫0～750℃）臺車式加熱爐(5噸-200噸)適用于鋼制零部件的回火、低溫退火、型芯烘干； 4.超長臺車爐適用于管材、冷拔型鋼、直線材、盤料的裝罐退火加熱等； 5.雙門雙臺車加熱爐適用于被處理材料半連續(xù)式生產(chǎn)的加熱工藝。爐子效率高。</p><p style="text-indent:25px">臺車爐爐氣對金屬的輻射傳熱反復(fù)輻射（1）爐氣對金屬的輻射傳熱熱處理臺車爐爐氣輻射的熱量傳給爐墻和金屬的表面上后，則有一部分被吸引，另一部分被反射回去。反射出來的熱量，要通過充滿爐膛內(nèi)的爐氣，一部分被爐氣吸收，剩余部分輻射到對面的爐墻或金屬上，如此反復(fù)輻射。（2）爐墻及爐頂對金屬的輻射傳熱它的輻射情況和上一種有些類似，也是反復(fù)輻射連續(xù)不斷。所不同的是爐墻內(nèi)表面還以對流的方式吸收熱量，而這些熱量仍以輻射的方式傳出。（3）熱處理臺車爐爐氣對金屬的對流傳熱在現(xiàn)有火焰爐爐膛中，爐氣的溫度大多在800℃~1400℃范圍內(nèi)。爐氣溫度在800℃左右時(shí)，輻射與對流的作用差不多相等。當(dāng)爐氣溫度高于800℃時(shí)，則對流傳熱減少，而輻射傳熱急劇增加。例如，熱處理臺車爐爐氣溫度達(dá)1800℃左右時(shí)，輻射部分已達(dá)到全部傳熱量的95%左右。爐子使用一段時(shí)間以后，其溫度分布狀況會發(fā)生變化。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="浙江臺車爐廠家,臺車爐" src="https://tyunfile.71360.com/UploadFile/nabore/637383582562802734/4322766.png"></div><p style="text-indent:25px">臺車爐主要技術(shù)性能：控制面板配有智能溫度調(diào)節(jié)儀，控制電源開關(guān)、主加熱工作 /停止按鈕，電壓、電流表、計(jì)算機(jī)接口，以便隨時(shí)觀察本系統(tǒng)的工作狀態(tài)，本產(chǎn)品采用可靠的集成化電路，工作環(huán)境好，抗干擾，溫度時(shí)爐體外殼溫度≤45℃提高了工作環(huán)境，微電腦程序控制，可編程序曲線，全自動升溫/降溫，運(yùn)行中可以修改控溫參數(shù)及程序，靈活方便、操作簡單?？販鼐龋骸?℃無超調(diào) 恒溫精度：±1℃。升溫速度快，升溫速率≤45/min。爐膛材料全部采用真空成型高純氧化鋁聚輕材料，使用溫度高，蓄熱量小，耐急熱急冷、不裂縫、不掉渣、保溫性能好（節(jié)能效果是老式臺車爐的60%以上）。結(jié)構(gòu)合理，內(nèi)外雙層爐套，風(fēng)冷散熱，可縮短試驗(yàn)周期。一般臺車爐外殼由鋼板和型鋼焊接而成。廣東節(jié)能臺車爐企業(yè)</p><p style="text-indent:25px">臺車爐使用注意事項(xiàng)：電爐在進(jìn)行裝卸工件時(shí)，必須先切斷加熱元件電源，以保證操作人員的安全。浙江臺車爐廠家</p><p style="text-indent:25px">臺車爐的臺車框架采用型鋼焊接成形，其鋼性保證在滿負(fù)荷下不變形。內(nèi)用耐火磚砌筑，易碰撞部位和承重部位用重質(zhì)磚砌筑，增強(qiáng)爐襯結(jié)構(gòu)強(qiáng)度，臺車的行走采用自行式結(jié)構(gòu)，由減速機(jī)傳動鏈輪帶動走輪在軌道上行走。臺車密封采用自動迷宮式結(jié)構(gòu)和軟接觸雙密封，臺車進(jìn)入爐內(nèi)通過凸輪及滾輪斜面作用，自動升起后進(jìn)行密封。臺車開出，連鎖控制，即稍打開爐門后，自動切斷加熱元件，同時(shí)恢復(fù)加熱元件電源。為了縮短冷卻工藝時(shí)間，爐頂可設(shè)有加快冷卻用排氣裝置，冷卻到一定溫度打開、關(guān)閉打開操作由操作人員在爐子一側(cè)通過手動機(jī)構(gòu)或自動控制來完成。并可選配臺車傾斜卸料機(jī)構(gòu)。電控部分主要包括溫控、操作兩部分。溫控采用國產(chǎn)數(shù)顯表交流接觸器實(shí)行普通位式控制，另配記錄儀記錄完整工藝曲線，并可超溫報(bào)警；操作采用按扭加燈光顯示，實(shí)現(xiàn)對臺車進(jìn)出、加熱元件通斷及爐門升降等動作的控制，并設(shè)有連鎖裝置，當(dāng)爐門升高工或關(guān)閉至一定位置時(shí)臺車可進(jìn)行動作，安全可靠。浙江臺車爐廠家</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2094366.html</p></div></div></div></div></div><div id="rzhntrp" class="page-right twoColRt"><div id="b9zfntz" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="jhpfdb9" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img 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