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class="wrap clearfix"><section class="container clearfix tcPro"><section class="home-main container clearfix"><div id="wq88bd3" class="twoCol"><div id="kegnebn" class="page-proshow clearfix"><p class="current"> 當(dāng)前位置:<a href="http://www.cdcfah.com/">首頁?<a href="http://www.cdcfah.com/cp/">產(chǎn)品供應(yīng)</a>?<a href="http://www.cdcfah.com/cp/first-_wjgj/">五金、工具</a>?<a href="http://www.cdcfah.com/cp/second-wjgj_guanjianbi/">管件</a>?<a href="http://www.cdcfah.com/cp/third-guanjianbi_fengtou/">封頭</a>?徐州催化劑罐封頭企業(yè) 無錫國鑫封頭供應(yīng)</p><div id="20dfh8w" class="leftbox clearfix"><h1>徐州催化劑罐封頭企業(yè) 無錫國鑫封頭供應(yīng)</h1><div id="dxoq2m9" class="proBig"><div id="2t2wr9p" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/wxgxft/637393178039869954/8225024.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="mb8hoip" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/wxgxft/637393178039869954/8225024.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="ynkhj9y" 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>江蘇省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>徐州催化劑罐封頭企業(yè),封頭</p><p><span>***更新：</span>2021-01-23 06:17:36</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="ysfhjyu" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">無錫國鑫封頭制造有限公司</a></p><p><span>聯(lián)系人：</span>魏峰潔</p><p><span>郵箱: </span>239703@qq.com</p><p><span>電話: </span>13861726550</p><p><span>傳真: </span>0510_83898088</p><p><span>網(wǎng)址: </span>http://www.wxgxft.com</p><p><span>手機(jī): </span>0510-83897088</p><p><span>地址: </span>玉祁街道曙光村</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="bqipmg8" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="py3ankm" class="box"><p><p style="text-indent:25px">橢圓封頭保養(yǎng)技巧：1.封頭水壓試驗用水氯離子含量不得大于25mg/L，試驗后要及時吹干。2.不銹鋼酸洗不能用鹽酸等還原酸。3.嚴(yán)格遵守《容規(guī)》規(guī)定的介質(zhì)相容性。4.防止不銹鋼橢圓封頭表面的磕碰劃傷。5.防止與碳素鋼直接接觸，避免鐵離子污染。6.不在露天存放，防雨淋。7，徐州催化劑罐封頭企業(yè).避免強(qiáng)制組焊。結(jié)構(gòu)設(shè)計要防止拘束應(yīng)力過大。8.橢圓封頭與筒體組焊后，徐州催化劑罐封頭企業(yè)，徐州催化劑罐封頭企業(yè)，要及時清理焊縫、熱影響區(qū)及周圍的焊渣、飛濺、污染物，并進(jìn)行PT檢查和表面酸洗。無錫國鑫封頭制造有限公司.封頭所配用閥門的流量特性是由閥芯的加工特性決定的。徐州催化劑罐封頭企業(yè)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="徐州催化劑罐封頭企業(yè),封頭" src="https://tyunfile.71360.com/UploadFile/wxgxft/637393178039869954/8225024.png"></div><p style="text-indent:25px">封頭標(biāo)注在圖樣上的厚度。當(dāng)然在使用封頭的時候，必須要明確其的有效厚度，所謂有效厚度指的是名義厚度減去腐蝕裕量和鋼材厚度負(fù)偏差的厚度。這些不同厚度參數(shù)之間存在著一定的關(guān)系。并且主要是以這些厚度參數(shù)來計算出封頭產(chǎn)品的投料厚度，也就是毛坯厚度。在電廠施工中，會使用到很多的大口徑管道，比如補(bǔ)給水管、循環(huán)水管等。根據(jù)機(jī)組容量等級的不同，管道口徑位于DN1000~5500之間。電力建設(shè)管道施工需要滿足相關(guān)的規(guī)范和要求，此時在選用大尺寸橢圓封頭產(chǎn)品的時候就會面臨著較大的施工困難。連云港炒鍋封頭廠制造球形封頭能夠安裝在容器為其提供密封能力和承載壓力。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="徐州催化劑罐封頭企業(yè),封頭" src="https://tyunfile.71360.com/UploadFile/wxgxft/637393177952995583/8456246.png"></div><p style="text-indent:25px">球形封頭的特點：球形封頭的受力比橢圓形封頭和碟形封頭好；球形封頭的計算厚度是相同條件下筒體計算厚度的一半；（依據(jù)是薄壁殼體的無力矩理論，大家可以查詢相關(guān)手冊或者教科書，我就不給大家展示了），但是球形封頭的制造減薄量比橢圓形封頭和碟形封頭都要大一些，約15%。球形封頭的應(yīng)用場合：一般用在高壓設(shè)備中。另外，對于壓力稍微高一點且直徑比較大的塔器，如果用橢圓形封頭，可能計算出來的壁厚比較大。這種情況下，比較多人傾向采用球形封頭，目的是降低厚度，從而節(jié)省材料。但是球形封頭的容積比橢圓形封頭的大，塔釜的積液量也就相對較大，這容易造成工藝介質(zhì)大量積存和浪費。所以對于這種情況，到底選擇球形封頭還是橢圓形封頭，還需要斟酌一下。</p><p style="text-indent:25px">鈦板不銹鋼封頭屬于不銹鋼封頭的一種，主要是用來對不銹鋼管道進(jìn)行密封的零件。在它制造的過程中，有一個工藝程序是需要謹(jǐn)慎再謹(jǐn)慎的，那是熱處理工藝。在對鈦板不銹鋼封頭進(jìn)行熱處理的過程中是比較容易出現(xiàn)熱應(yīng)力的，原因是加熱和冷卻的過程中，表層和心部的冷卻速度和時間的不一致，有溫差存在。另外還比較容易出現(xiàn)組織應(yīng)力，主要是由于組織的變化即奧氏體向馬氏體轉(zhuǎn)變時，因比容的增大會伴隨工件體積的膨脹，工件各部位先后相變，造成體積長大不一致。鋁封頭由于原料比較特別，冬季環(huán)境枯燥假如長期保存需求做好保護(hù)措施。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="徐州催化劑罐封頭企業(yè),封頭" src="https://tyunfile.71360.com/UploadFile/wxgxft/637393178521136554/4515182.png"></div><p style="text-indent:25px">不銹鋼封頭的特點是不銹蝕、耐磨損、不結(jié)垢、減小振蕩和噪聲、防凍裂(超越-20℃的低溫下不銹鋼封頭發(fā)生凍裂，高溫的工作環(huán)境只需超越70℃發(fā)生分解，運用溫度在-20℃到70℃)、防結(jié)露，熱丟失少、裝置簡單、運用壽數(shù)長。由于在施工中選用融接技能，因此不銹鋼封頭也俗稱管帽，其無毒、質(zhì)輕、耐壓、耐腐蝕，正在成為一種耐腐蝕的管件。一般來說，這種原料不光適用于冷水封頭，也適用于熱水封頭，甚至純潔飲用水封頭。普遍運用于施工中的不銹鋼封頭銜接方式是將鋼管或配管零件之接合端部份以砂紙磨掉外表層,如外表尚有油脂,應(yīng)用氯乙烯或**拭凈；將兩頭刺進(jìn)電焊套,兩頭必需插達(dá)電焊套之中心點,刺進(jìn)時兩頭點不得有水.然后刺進(jìn)焊接控制器之二次線,開始焊接，進(jìn)程中不得移動或碰觸及中途堵截電源或使二次線接合點松脫，焊接完結(jié)一小時后接合點徹底冷卻才能夠加壓於管內(nèi)及由外扳動鋼管,以確保接合點不變形。封頭的使用時要遵守一定的規(guī)范的。無錫炊事設(shè)備封頭制作廠</p><p style="text-indent:25px">封頭就是起到一個封死管道的作用。徐州催化劑罐封頭企業(yè)</p><p style="text-indent:25px">不銹鋼封頭在700℃以下鍛造，氧化皮形成少，而且表面無脫碳現(xiàn)象。因此，只要變形能在成形能范圍內(nèi)，冷鍛容易得到比較好的尺寸精度和表面光潔度。只要控制好溫度和潤滑冷卻，700℃以下的溫螺紋管件，對焊管件，不銹鋼管件鍛也可以獲得比較好的精度。熱鍛時，由于變形能和變形阻力都比較小，可以鍛造形狀復(fù)雜的大鍛件。要得到高尺寸精度的鍛件，可在900-1000℃溫度域內(nèi)用熱鍛加工。在700℃以下鍛造，氧化皮形成少，而且表面無脫碳現(xiàn)象。因此，只要變形能在成形能范圍內(nèi)，冷鍛容易得到比較好的尺寸精度和表面光潔度。只要控制好溫度和潤滑冷卻，700℃以下的溫螺紋管件，對焊管件，不銹鋼管件鍛也可以獲得比較好的精度。熱鍛時，由于變形能和變形阻力都比較小，可以鍛造形狀復(fù)雜的大鍛件。要得到高尺寸精度的鍛件，可在900-1000℃溫度域內(nèi)用熱鍛加工。徐州催化劑罐封頭企業(yè)</p><p style="text-indent:25px">無錫國鑫封頭制造有限公司致力于機(jī)械及行業(yè)設(shè)備，是一家生產(chǎn)型的公司。公司業(yè)務(wù)涵蓋封頭，不銹鋼封頭，碳鋼封頭，鋁封頭等，價格合理，品質(zhì)有保證。公司從事機(jī)械及行業(yè)設(shè)備多年，有著創(chuàng)新的設(shè)計、強(qiáng)大的技術(shù)，還有一批**的專業(yè)化的隊伍，確保為客戶提供良好的產(chǎn)品及服務(wù)。國鑫封頭秉承“客戶為尊、服務(wù)為榮、創(chuàng)意為先、技術(shù)為實”的經(jīng)營理念，全力打造公司的重點競爭力。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2972423.html</p></div></div></div></div></div><div id="z8zbip8" class="page-right twoColRt"><div id="rvs7nur" class="box01 margin10 clearfix"><h3><a 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