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onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="7nfhegi" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/wxgxft/637393177986022692/3812274.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="uhgdar2" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價(jià)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>無錫橢圓封頭生產(chǎn)廠家,封頭</p><p><span>***更新：</span>2020-12-18 13:36:50</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="jhwdvcz" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">無錫國(guó)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="5bxflbh" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="rvlbhv5" class="box"><p><p style="text-indent:25px">封頭是壓力容器上使用的堵塞裝置，對(duì)密封性有非常嚴(yán)格的要求。因?yàn)槊芊庑詴?huì)關(guān)系到壓力容器的使用，嚴(yán)重時(shí)甚至?xí)霈F(xiàn)工作事故，因此，密封性必須要十分注意。我們知道，為了讓封頭具有更好的密封性，通常封頭在制作完成后，會(huì)對(duì)其進(jìn)行平口處理，使其與壓力容器可以更好的銜接在一起。那么，封頭的平口應(yīng)該如何處理？不論瓜瓣封頭還是整體封頭,不論沖壓封頭還是旋壓封頭,不論標(biāo)準(zhǔn)橢圓封頭還是球形封頭或碟形封頭,成型后都較原設(shè)計(jì)高出一個(gè)值,這個(gè)值就是修切余量,以備車削或割掉。應(yīng)根據(jù)封頭規(guī)格和本單位設(shè)備情況決定平口方法,若不能在立車床上平口時(shí),則考慮用氣割或等離子切割方法平口。這里介紹的是用氣割(或等離子切割)進(jìn)行平口的方法。在現(xiàn)實(shí)的生活之中比較多的封頭都是使用在高壓容器之上的，無錫橢圓封頭生產(chǎn)廠家，這種高壓容器是一種能在內(nèi)部產(chǎn)生極大壓強(qiáng)的器件，如果我們不對(duì)于這種容器進(jìn)行密封的話，那么其中的壓力能量是不穩(wěn)定的。在封頭的平口工作中，需要根據(jù)具體制造工藝選擇坡口形式，無錫橢圓封頭生產(chǎn)廠家，外坡還是內(nèi)坡，無錫橢圓封頭生產(chǎn)廠家，坡角度這些都是有要求的。球形封頭是壓力罐密封容器中的一種，由是以球殼的球冠部分所形成的封頭。無錫橢圓封頭生產(chǎn)廠家</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="無錫橢圓封頭生產(chǎn)廠家,封頭" src="https://tyunfile.71360.com/UploadFile/wxgxft/637393177986022692/3812274.png"></div><p style="text-indent:25px">不銹鋼封頭可在比較大的溫度規(guī)模內(nèi)接受的，規(guī)模在1~14的高濃度的酸和堿的腐蝕。不銹鋼封頭及管件內(nèi)壁均勻潤(rùn)滑，流動(dòng)阻力小而且不結(jié)垢。不銹鋼封頭具有優(yōu)良的隔聲功能，可明顯減少由液體流動(dòng)引起的振蕩和噪聲。不銹鋼材料彈性優(yōu)良使得管材和管件截面可隨著凍脹的液體一同脹大而不會(huì)脹裂。不銹鋼材料為不良熱導(dǎo)體，可減少結(jié)露現(xiàn)象并減少熱損少。不銹鋼封頭重量輕，裝置操作方便，而且具有可焊性。不銹鋼封頭體系在規(guī)定的運(yùn)用條件下壽數(shù)達(dá)50年。連云港換熱設(shè)備封頭制造廠封頭部分遇到轉(zhuǎn)動(dòng)封頭卡死，無反饋力時(shí)，可將潤(rùn)滑油加入部分轉(zhuǎn)動(dòng)表面處理。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="無錫橢圓封頭生產(chǎn)廠家,封頭" src="https://tyunfile.71360.com/UploadFile/wxgxft/637393178019059523/6670851.png"></div><p style="text-indent:25px">封頭廠家分析造成球形封頭強(qiáng)度不夠的原因。球形封頭在我們的生活中比較常見，并且無論從工作的強(qiáng)度還是節(jié)省材料上來講，都是一種非常不錯(cuò)的選擇。而且球形封頭的設(shè)計(jì)合理，并采用無角焊縫的鏈接，受力更均勻，使用壽命更長(zhǎng)。經(jīng)過大量的研究發(fā)現(xiàn)，球形封頭無論是采用哪種形式，通常情況下它都是容器中較為薄弱的一個(gè)部位。并且球形封頭的強(qiáng)度一般還只有筒體強(qiáng)度的70%~80%左右。而造成球形封頭強(qiáng)度不夠的原因有比較多，如下面幾種：1.球形封頭與筒身連接處存在不連續(xù)應(yīng)力；2.纏繞張力不穩(wěn)定；3.纖維軌跡偏離理論位置；4.球形封頭曲面不準(zhǔn)確。封頭廠家除了要采取工藝措施改善球形封頭纖維的均勻分布狀態(tài)、降低纖維堆積高度、合理選擇纏繞線型、逐步擴(kuò)大纏繞包絡(luò)圈、環(huán)向加固容器的肩部等途徑提高封頭強(qiáng)度外，還必須對(duì)封頭補(bǔ)強(qiáng)，以使壓力容器整體同步失效。目前采用較多的一種補(bǔ)強(qiáng)方法是增加螺旋纏繞纖維用量。這種方法簡(jiǎn)便易行，不必對(duì)纏繞線型和封頭曲面進(jìn)行修正。引入螺旋纏繞纖維強(qiáng)度利用系數(shù)k，則實(shí)際螺旋纏繞纖維厚度應(yīng)當(dāng)增大。</p><p style="text-indent:25px">封頭為了使設(shè)備上的封頭在運(yùn)用時(shí)能夠處于正確的位置上，因而就應(yīng)當(dāng)提前明確封頭的中心。比如如果使用的是標(biāo)準(zhǔn)橢圓封頭，那么根據(jù)多年經(jīng)驗(yàn)，我們可以這樣來估算：以封頭高度的1/2作為它的重心位置。其次還需要確定封頭的支臂與封頭接觸部分的曲線形狀。比如在很多的鍍膜機(jī)中，有不少是通過轉(zhuǎn)軸使封頭能與真空室體分開或合上的，這些封頭上幾乎都焊有兩條離開封頭中心且互相平行的筋板作為支臂和轉(zhuǎn)軸相連。通常情況下，我們可以根據(jù)相關(guān)公式所推導(dǎo)出的圓弧擬合的半徑的計(jì)算公司來確定支臂和橢圓封頭的接觸部分曲線形狀了。封頭使用后的檢查工作不容忽視。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="無錫橢圓封頭生產(chǎn)廠家,封頭" src="https://tyunfile.71360.com/UploadFile/wxgxft/637393178593831455/1545798.png"></div><p style="text-indent:25px">封頭屬于壓力容器中鍋爐部件的一種，通常是在壓力容器的兩端使用的，封頭的制作、查驗(yàn)與查驗(yàn)一同來看一下吧。1、封頭的制作、查驗(yàn)與查驗(yàn)除應(yīng)契合本規(guī)范規(guī)則外，還應(yīng)契合圖樣或訂貨技能協(xié)議需求；2、封頭制作單位應(yīng)建立健全契合國(guó)家壓力容器安全監(jiān)察組織有關(guān)法規(guī)需求的質(zhì)量體系，以確保橢圓封頭質(zhì)量；3、封頭的拼焊應(yīng)由持有相應(yīng)資歷的“鍋爐壓力容器焊工合格證書”的人員擔(dān)任；4、封頭的無損檢測(cè)應(yīng)由持有相應(yīng)種類和技能等級(jí)的“鍋爐壓力容器無損檢測(cè)人員資歷證”的人員擔(dān)任；對(duì)剖析規(guī)劃的橢圓封頭進(jìn)行無損檢測(cè)的人員，其技能等級(jí)不得低于II級(jí)；5、凡制作封頭的鋼板應(yīng)有以查驗(yàn)和追蹤的承認(rèn)符號(hào)；在制作過程中，如原有承認(rèn)符號(hào)被裁掉或鋼板分紅幾塊，應(yīng)于鋼板切割前完結(jié)符號(hào)的移植；承認(rèn)符號(hào)的表達(dá)方式由橢圓封頭制作單位規(guī)則；6、關(guān)于有防腐需求的不銹鋼以及復(fù)合鋼板制橢圓封頭，不得在防腐蝕面選用硬印作為資料的承認(rèn)符號(hào)和焊工標(biāo)志；7、關(guān)于低溫壓力容器用橢圓封頭及需進(jìn)行疲勞剖析規(guī)劃的橢圓封頭，不得選用硬印作為資料的承認(rèn)符號(hào)和焊工標(biāo)志。盲板在選用上,對(duì)厚度的要求也要注意,眾所周知,封頭是用中板做的。連云港換熱設(shè)備封頭制造廠</p><p style="text-indent:25px">球形封頭能夠安裝在容器為其提供密封能力和承載壓力。無錫橢圓封頭生產(chǎn)廠家</p><p style="text-indent:25px">封頭出現(xiàn)了裂紋怎么修復(fù)？首先，我們可以通過提高化學(xué)成分來進(jìn)行提高材料的檔次，而且不改變整體形成的工藝影響。同時(shí)還可以提高加工的溫度，實(shí)行螺旋溫加工。如果可以的話，我們還可以對(duì)封頭的裂紋進(jìn)行研究，來改變封頭的裂紋大小問題，就一般來說，使用上如果超過了13.8%的時(shí)候，就會(huì)出現(xiàn)我們能看見的裂紋，這個(gè)時(shí)候在進(jìn)行變形的修復(fù)壓制工作中，能緩解這種形變量的情況，讓裂紋也會(huì)進(jìn)一部的消失。然后，進(jìn)行熱處理，這種方式能比較好的消除整體的裂紋情況，性能上也會(huì)有明顯的提升。如果不行，我們還可以對(duì)外部分進(jìn)行焊接處理，對(duì)外部分的損傷進(jìn)行檢查，消除內(nèi)部可能會(huì)存在的缺陷問題，把整體的焊接工藝降低到較小，整體受熱影響的區(qū)間也會(huì)小不少。末尾，使用上如果原材料出現(xiàn)了缺陷的情況，也可以對(duì)板材進(jìn)行切割打磨處理，讓裂痕進(jìn)一步的小時(shí)。無錫橢圓封頭生產(chǎn)廠家</p><p style="text-indent:25px">無錫國(guó)鑫封頭制造有限公司總部位于玉祁街道曙光工業(yè)園，是一家主營(yíng)封頭、橢圓封頭、碟形封頭、球冠封頭、半球封頭、錐形封頭、爐臺(tái)殼體、平底封頭、攪拌車封頭、**車封頭、SF/SS 雙層油罐封頭、方圓封頭、鴨蛋封頭及雙相鋼、鋁鎂合金、鈦合金等特種材料封頭。主要運(yùn)用于壓力容器設(shè)備、制藥設(shè)備、環(huán)保設(shè)備、罐體運(yùn)輸車輛等行業(yè)的公司。公司自創(chuàng)立以來，投身于封頭，不銹鋼封頭，碳鋼封頭，鋁封頭，是機(jī)械及行業(yè)設(shè)備的主力軍。國(guó)鑫封頭致力于把技術(shù)上的創(chuàng)新展現(xiàn)成對(duì)用戶產(chǎn)品上的貼心，為用戶帶來良好體驗(yàn)。國(guó)鑫封頭始終關(guān)注機(jī)械及行業(yè)設(shè)備行業(yè)。滿足市場(chǎng)需求，提高產(chǎn)品價(jià)值，是我們前行的力量。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2458670.html</p></div></div></div></div></div><div id="jl33bzf" class="page-right twoColRt"><div id="br5zxd3" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="l5zfvhx" 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(qiáng) 信息推薦自業(yè)物資供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>福建ZF配件哪家強(qiáng) 信息推薦自業(yè)物資供應(yīng)</p></a></div><div id="x5lrzf5" class="recomPic 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