將(jiang)不(bu)(bu)(bu)(bu)(bu)(bu)銹(xiu)鋼的(de)(de)橢(tuo)(tuo)(tuo)(tuo)圓(yuan)封(feng)(feng)(feng)(feng)頭(tou)(tou)(tou)(tou)(tou)(tou)(tou)(tou)與筒體之(zhi)間(jian)進行(xing)(xing)焊(han)(han)接的(de)(de)時候，必須及時的(de)(de)將(jiang)焊(han)(han)縫和(he)熱(re)影響區(qu)中(zhong)(zhong)殘留的(de)(de)焊(han)(han)渣和(he)污(wu)染物清理干(gan)凈，可(ke)(ke)以使用(yong)pt進行(xing)(xing)相關(guan)的(de)(de)檢查，或者是(shi)(shi)(shi)對封(feng)(feng)(feng)(feng)頭(tou)(tou)(tou)(tou)(tou)(tou)(tou)(tou)的(de)(de)表面(mian)進行(xing)(xing)的(de)(de)酸(suan)洗；對于不(bu)(bu)(bu)(bu)(bu)(bu)銹(xiu)鋼橢(tuo)(tuo)(tuo)(tuo)圓(yuan)封(feng)(feng)(feng)(feng)頭(tou)(tou)(tou)(tou)(tou)(tou)(tou)(tou)的(de)(de)表面(mian)在(zai)保(bao)護上也要(yao)(yao)(yao)做到位，千萬不(bu)(bu)(bu)(bu)(bu)(bu)可(ke)(ke)以出現磕碰和(he)劃傷(shang)等現象；不(bu)(bu)(bu)(bu)(bu)(bu)要(yao)(yao)(yao)將(jiang)碳(tan)(tan)素鋼和(he)封(feng)(feng)(feng)(feng)頭(tou)(tou)(tou)(tou)(tou)(tou)(tou)(tou)之(zhi)間(jian)發(fa)(fa)生(sheng)直(zhi)(zhi)接接觸，主(zhu)要(yao)(yao)(yao)是(shi)(shi)(shi)因為，鐵離子(zi)(zi)會導致較為嚴重的(de)(de)污(wu)染。也不(bu)(bu)(bu)(bu)(bu)(bu)要(yao)(yao)(yao)在(zai)露天(tian)的(de)(de)環(huan)境(jing)之(zhi)下，直(zhi)(zhi)接對不(bu)(bu)(bu)(bu)(bu)(bu)銹(xiu)鋼橢(tuo)(tuo)(tuo)(tuo)圓(yuan)封(feng)(feng)(feng)(feng)頭(tou)(tou)(tou)(tou)(tou)(tou)(tou)(tou)進行(xing)(xing)存放，當然也不(bu)(bu)(bu)(bu)(bu)(bu)能(neng)讓其出現淋雨的(de)(de)情(qing)況；如果(guo)是(shi)(shi)(shi)在(zai)對其進行(xing)(xing)組(zu)焊(han)(han)的(de)(de)話(hua)，一定不(bu)(bu)(bu)(bu)(bu)(bu)可(ke)(ke)以出現強制(zhi)的(de)(de)現象，不(bu)(bu)(bu)(bu)(bu)(bu)管是(shi)(shi)(shi)在(zai)結(jie)構上的(de)(de)設(she)計，還是(shi)(shi)(shi)其他方面(mian)都不(bu)(bu)(bu)(bu)(bu)(bu)可(ke)(ke)以發(fa)(fa)生(sheng)任何拘束，碳(tan)(tan)鋼平(ping)(ping)底封(feng)(feng)(feng)(feng)頭(tou)(tou)(tou)(tou)(tou)(tou)(tou)(tou)制(zhi)造廠，因此在(zai)應力(li)(li)(li)上要(yao)(yao)(yao)保(bao)證(zheng)。我們(men)在(zai)對不(bu)(bu)(bu)(bu)(bu)(bu)銹(xiu)鋼橢(tuo)(tuo)(tuo)(tuo)圓(yuan)封(feng)(feng)(feng)(feng)頭(tou)(tou)(tou)(tou)(tou)(tou)(tou)(tou)進行(xing)(xing)試(shi)壓(ya)(ya)(ya)試(shi)驗的(de)(de)時候，水中(zhong)(zhong)的(de)(de)氯離子(zi)(zi)在(zai)整(zheng)個(ge)含量上，也是(shi)(shi)(shi)不(bu)(bu)(bu)(bu)(bu)(bu)可(ke)(ke)以超出25mg/L，當完成整(zheng)個(ge)試(shi)驗之(zhi)后，應該將(jiang)其立刻吹干(gan)；即(ji)便(bian)是(shi)(shi)(shi)對橢(tuo)(tuo)(tuo)(tuo)圓(yuan)封(feng)(feng)(feng)(feng)頭(tou)(tou)(tou)(tou)(tou)(tou)(tou)(tou)進行(xing)(xing)酸(suan)洗，也不(bu)(bu)(bu)(bu)(bu)(bu)能(neng)使用(yong)或者是(shi)(shi)(shi)其他類的(de)(de)還原酸(suan)。各種類型封(feng)(feng)(feng)(feng)頭(tou)(tou)(tou)(tou)(tou)(tou)(tou)(tou)管帽 油(you)罐封(feng)(feng)(feng)(feng)頭(tou)(tou)(tou)(tou)(tou)(tou)(tou)(tou) 大口徑(jing)(jing)對焊(han)(han)封(feng)(feng)(feng)(feng)頭(tou)(tou)(tou)(tou)(tou)(tou)(tou)(tou)旋(xuan)壓(ya)(ya)(ya)封(feng)(feng)(feng)(feng)頭(tou)(tou)(tou)(tou)(tou)(tou)(tou)(tou) 壓(ya)(ya)(ya)力(li)(li)(li)罐封(feng)(feng)(feng)(feng)頭(tou)(tou)(tou)(tou)(tou)(tou)(tou)(tou) 橢(tuo)(tuo)(tuo)(tuo)圓(yuan)封(feng)(feng)(feng)(feng)頭(tou)(tou)(tou)(tou)(tou)(tou)(tou)(tou) 平(ping)(ping)底封(feng)(feng)(feng)(feng)頭(tou)(tou)(tou)(tou)(tou)(tou)(tou)(tou) 球形封(feng)(feng)(feng)(feng)頭(tou)(tou)(tou)(tou)(tou)(tou)(tou)(tou) 等大口徑(jing)(jing)橢(tuo)(tuo)(tuo)(tuo)圓(yuan)封(feng)(feng)(feng)(feng)頭(tou)(tou)(tou)(tou)(tou)(tou)(tou)(tou)，大口徑(jing)(jing)橢(tuo)(tuo)(tuo)(tuo)圓(yuan)封(feng)(feng)(feng)(feng)頭(tou)(tou)(tou)(tou)(tou)(tou)(tou)(tou)又名(ming)為大口徑(jing)(jing)橢(tuo)(tuo)(tuo)(tuo)圓(yuan)形封(feng)(feng)(feng)(feng)頭(tou)(tou)(tou)(tou)(tou)(tou)(tou)(tou)、橢(tuo)(tuo)(tuo)(tuo)圓(yuan)封(feng)(feng)(feng)(feng)頭(tou)(tou)(tou)(tou)(tou)(tou)(tou)(tou)即(ji)為由旋(xuan)轉(zhuan)橢(tuo)(tuo)(tuo)(tuo)圓(yuan)球面(mian)和(he)圓(yuan)筒形直(zhi)(zhi)段兩(liang)部(bu)分(fen)組(zu)成的(de)(de)封(feng)(feng)(feng)(feng)頭(tou)(tou)(tou)(tou)(tou)(tou)(tou)(tou)，習(xi)慣上稱為標準橢(tuo)(tuo)(tuo)(tuo)圓(yuan)形封(feng)(feng)(feng)(feng)頭(tou)(tou)(tou)(tou)(tou)(tou)(tou)(tou)。橢(tuo)(tuo)(tuo)(tuo)圓(yuan)封(feng)(feng)(feng)(feng)頭(tou)(tou)(tou)(tou)(tou)(tou)(tou)(tou)因綜合性能(neng)較好，不(bu)(bu)(bu)(bu)(bu)(bu)銹(xiu)鋼平(ping)(ping)底封(feng)(feng)(feng)(feng)頭(tou)(tou)(tou)(tou)(tou)(tou)(tou)(tou)廠家，被廣泛用(yong)于中(zhong)(zhong)低壓(ya)(ya)(ya)容(rong)器(qi)(qi)。大口徑(jing)(jing)橢(tuo)(tuo)(tuo)(tuo)圓(yuan)封(feng)(feng)(feng)(feng)頭(tou)(tou)(tou)(tou)(tou)(tou)(tou)(tou)廣泛應用(yong)與石油(you)、電子(zi)(zi)、化工(gong)、、輕紡、食品、機械、建筑(zhu)、航空(kong)航天(tian)等行(xing)(xing)業。大口徑(jing)(jing)橢(tuo)(tuo)(tuo)(tuo)圓(yuan)封(feng)(feng)(feng)(feng)頭(tou)(tou)(tou)(tou)(tou)(tou)(tou)(tou)是(shi)(shi)(shi)石油(you)化工(gong)、原子(zi)(zi)能(neng)到食品藥(yao)械諸(zhu)多行(xing)(xing)業壓(ya)(ya)(ya)力(li)(li)(li)容(rong)器(qi)(qi)設(she)備(bei)中(zhong)(zhong)不(bu)(bu)(bu)(bu)(bu)(bu)可(ke)(ke)缺少的(de)(de)重要(yao)(yao)(yao)部(bu)件(jian)，是(shi)(shi)(shi)壓(ya)(ya)(ya)力(li)(li)(li)容(rong)器(qi)(qi)上的(de)(de)端蓋，是(shi)(shi)(shi)壓(ya)(ya)(ya)力(li)(li)(li)容(rong)器(qi)(qi)的(de)(de)一個(ge)主(zhu)要(yao)(yao)(yao)承壓(ya)(ya)(ya)部(bu)件(jian)，封(feng)(feng)(feng)(feng)頭(tou)(tou)(tou)(tou)(tou)(tou)(tou)(tou)的(de)(de)品質直(zhi)(zhi)接關(guan)系到壓(ya)(ya)(ya)力(li)(li)(li)容(rong)器(qi)(qi)的(de)(de)長期運(yun)行(xing)(xing)。

   碳(tan)鋼(gang)封(feng)頭與(yu)不(bu)銹(xiu)鋼(gang)封(feng)頭的(de)(de)(de)(de)生(sheng)(sheng)(sheng)(sheng)產工(gong)(gong)(gong)藝介(jie)紹： 1，在生(sheng)(sheng)(sheng)(sheng)產中有(you)(you)不(bu)合(he)適(shi)的(de)(de)(de)(de)地方(fang)沾到(dao)了碳(tan)鋼(gang)了。主(zhu)要是加工(gong)(gong)(gong)硬化(hua)(hua)性(xing)(xing)造成的(de)(de)(de)(de)，沖壓(ya)時的(de)(de)(de)(de)變(bian)形使不(bu)銹(xiu)鋼(gang)產生(sheng)(sheng)(sheng)(sheng)了變(bian)形馬氏(shi)體(ti)(ti)(ti)，產生(sheng)(sheng)(sheng)(sheng)磁性(xing)(xing) 。每一種解釋其實都很合(he)理。 這種現象受到(dao)冷(leng)卻(que)速(su)度，材料成分(fen)和熱(re)處(chu)理工(gong)(gong)(gong)藝等因(yin)素(su)的(de)(de)(de)(de)影響。當冷(leng)卻(que)速(su)度愈快，含碳(tan)量和合(he)金成分(fen)愈高，冷(leng)卻(que)過(guo)(guo)程(cheng)中在熱(re)應(ying)(ying)(ying)力(li)作用(yong)下(xia)產生(sheng)(sheng)(sheng)(sheng)的(de)(de)(de)(de)不(bu)均勻塑(su)性(xing)(xing)變(bian)形愈大(da)，后形成的(de)(de)(de)(de)殘余應(ying)(ying)(ying)力(li)就(jiu)愈大(da)。 另一方(fang)面鋼(gang)在熱(re)處(chu)理過(guo)(guo)程(cheng)中由于(yu)組織的(de)(de)(de)(de)變(bian)化(hua)(hua)即奧氏(shi)體(ti)(ti)(ti)向馬氏(shi)體(ti)(ti)(ti)轉變(bian)時，因(yin)比容的(de)(de)(de)(de)增大(da)會伴隨工(gong)(gong)(gong)件體(ti)(ti)(ti)積的(de)(de)(de)(de)膨脹，工(gong)(gong)(gong)件各(ge)部(bu)位先后相(xiang)變(bian)，造成體(ti)(ti)(ti)積長大(da)不(bu)一致而產生(sheng)(sheng)(sheng)(sheng)組織應(ying)(ying)(ying)力(li)。不(bu)銹(xiu)鋼(gang)封(feng)頭組織應(ying)(ying)(ying)力(li)變(bian)化(hua)(hua)的(de)(de)(de)(de)終結果是表層受拉應(ying)(ying)(ying)力(li)，心部(bu)受壓(ya)應(ying)(ying)(ying)力(li)，恰好與(yu)熱(re)應(ying)(ying)(ying)力(li)相(xiang)反(fan)。組織應(ying)(ying)(ying)力(li)的(de)(de)(de)(de)大(da)小與(yu)工(gong)(gong)(gong)件在馬氏(shi)體(ti)(ti)(ti)相(xiang)變(bian)區的(de)(de)(de)(de)冷(leng)卻(que)速(su)度、形狀，材料的(de)(de)(de)(de)化(hua)(hua)學成分(fen)等因(yin)素(su)有(you)(you)關，我公司現所有(you)(you)的(de)(de)(de)(de)產品都以格(ge)出售  全(quan)部(bu)，人家都了我公司也出售。

碳鋼(gang)(gang)平底(di)封頭的(de)(de)質量關系到壓力容器可(ke)以安全(quan)穩定(ding)的(de)(de)運行(xing)。碳鋼(gang)(gang)平底(di)封頭的(de)(de)表面處(chu)理(li) ，對平底(di)封頭 噴砂(sha)(sha)是(shi)利用(yong)壓縮空(kong)氣(qi)把(ba)石英砂(sha)(sha)高速吹(chui)出去對零(ling)件表面進(jin)行(xing)清理(li)的(de)(de)一(yi)種方法。工廠里也叫吹(chui)砂(sha)(sha)，不(bu)僅去銹，還(huan)可(ke)以順帶除(chu)油，對涂(tu)裝來(lai)說非(fei)常有(you)用(yong)。常用(yong)于(yu)零(ling)件表面除(chu)銹；對零(ling)件表面修(xiu)飾（市場(chang)賣的(de)(de)小(xiao)型的(de)(de)濕式噴砂(sha)(sha)機就是(shi)這個用(yong)途，平底(di)封頭，砂(sha)(sha)粒(li)通常是(shi)剛(gang)玉，介(jie)質是(shi)水(shui)）噴砂(sha)(sha)用(yong)于(yu)形狀復(fu)雜，易于(yu)用(yong)手工除(chu)銹，碳鋼(gang)(gang)平底(di)封頭定(ding)做，效率不(bu)高，現場(chang)環境不(bu)好(hao)，除(chu)銹不(bu)均勻。一(yi)般的(de)(de)噴砂(sha)(sha)機都有(you)各種規(gui)格的(de)(de)噴，只要不(bu)是(shi)特(te)別小(xiao)的(de)(de)箱體，都可(ke)以把(ba)放進(jin)去打干(gan)凈(jing)。