20世(shi)紀70年(nian)代(dai)(dai)后期(qi),我(wo)國(guo)就開始了用無(wu)縫鋼管(guan)(guan)制(zhi)造(zao)氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)瓶(ping)(ping),但由(you)于(yu)氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)瓶(ping)(ping)收底封(feng)口(kou)技(ji)術沒有過關(guan),致使(shi)這一工(gong)藝(yi)未能(neng)(neng)得(de)到進(jin)(jin)一步(bu)(bu)擴展(zhan)(zhan)(zhan),同時(shi)也(ye)使(shi)管(guan)(guan)制(zhi)氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)瓶(ping)(ping)的(de)(de)(de)(de)(de)發(fa)(fa)展(zhan)(zhan)(zhan)受(shou)到了影響。直到90年(nian)代(dai)(dai)初,北(bei)京天海(hai)公司成(cheng)(cheng)功(gong)地(di)掌握了用無(wu)縫管(guan)(guan)制(zhi)瓶(ping)(ping)收底的(de)(de)(de)(de)(de)關(guan)鍵技(ji)術,氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)瓶(ping)(ping)制(zhi)造(zao)工(gong)藝(yi)才從主要采用沖(chong)拔(ba)瓶(ping)(ping)逐步(bu)(bu)轉向(xiang)管(guan)(guan)制(zhi)氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)瓶(ping)(ping)發(fa)(fa)展(zhan)(zhan)(zhan)。管(guan)(guan)制(zhi)氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)瓶(ping)(ping)由(you)于(yu)具有內外表面質量好、尺寸精度高、重(zhong)量輕、生(sheng)(sheng)產(chan)(chan)效(xiao)率和成(cheng)(cheng)材率高、成(cheng)(cheng)本低、制(zhi)瓶(ping)(ping)工(gong)序簡單(dan)等一系列(lie)優點,深受(shou)氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)瓶(ping)(ping)企業(ye)的(de)(de)(de)(de)(de)歡迎。管(guan)(guan)制(zhi)瓶(ping)(ping)制(zhi)造(zao)技(ji)術的(de)(de)(de)(de)(de)進(jin)(jin)步(bu)(bu),推動了氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)瓶(ping)(ping)行(xing)業(ye)發(fa)(fa)展(zhan)(zhan)(zhan)。90年(nian)代(dai)(dai)后,隨(sui)(sui)著(zhu)國(guo)內連軋管(guan)(guan)機(ji)組的(de)(de)(de)(de)(de)建設,連軋管(guan)(guan)機(ji)的(de)(de)(de)(de)(de)生(sheng)(sheng)產(chan)(chan)工(gong)藝(yi)更適合大(da)(da)(da)徑(jing)壁比氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)瓶(ping)(ping)管(guan)(guan)的(de)(de)(de)(de)(de)生(sheng)(sheng)產(chan)(chan),使(shi)氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)瓶(ping)(ping)管(guan)(guan)的(de)(de)(de)(de)(de)生(sheng)(sheng)產(chan)(chan)效(xiao)率、合格率、成(cheng)(cheng)材率大(da)(da)(da)幅度提升(sheng),氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)瓶(ping)(ping)管(guan)(guan)的(de)(de)(de)(de)(de)產(chan)(chan)量呈大(da)(da)(da)幅增長(chang),并(bing)拉開了氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)瓶(ping)(ping)管(guan)(guan)快速(su)(su)發(fa)(fa)展(zhan)(zhan)(zhan)的(de)(de)(de)(de)(de)序幕。進(jin)(jin)入21世(shi)紀以來,隨(sui)(sui)著(zhu)國(guo)民(min)經濟快速(su)(su)發(fa)(fa)展(zhan)(zhan)(zhan)的(de)(de)(de)(de)(de)同時(shi),國(guo)家對大(da)(da)(da)氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)污染物排(pai)放也(ye)提出(chu)(chu)了更高要求,天然氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)作為一種清(qing)潔高效(xiao)能(neng)(neng)源在(zai)城鎮居民(min)生(sheng)(sheng)活中(zhong)越(yue)來越(yue)多地(di)被廣泛應用。在(zai)這樣的(de)(de)(de)(de)(de)形勢下采用充裝(zhuang)壓縮天然氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)的(de)(de)(de)(de)(de)纏繞氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)瓶(ping)(ping)、拖車用大(da)(da)(da)口(kou)徑(jing)氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)瓶(ping)(ping)應運而生(sheng)(sheng),并(bing)促使(shi)著(zhu)氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)瓶(ping)(ping)管(guan)(guan)向(xiang)輕量化、大(da)(da)(da)口(kou)徑(jing)方向(xiang)發(fa)(fa)展(zhan)(zhan)(zhan),采用熱(re)軋+冷拔(ba)、熱(re)軋+擴管(guan)(guan)或熱(re)軋+擴管(guan)(guan)+冷拔(ba)等氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)瓶(ping)(ping)管(guan)(guan)生(sheng)(sheng)產(chan)(chan)工(gong)藝(yi)也(ye)隨(sui)(sui)之發(fa)(fa)展(zhan)(zhan)(zhan)起(qi)來,不斷滿足(zu)氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)瓶(ping)(ping)行(xing)業(ye)發(fa)(fa)展(zhan)(zhan)(zhan)的(de)(de)(de)(de)(de)需求。目前(qian),采用氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)瓶(ping)(ping)管(guan)(guan)制(zhi)造(zao)的(de)(de)(de)(de)(de)氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)瓶(ping)(ping)、蓄(xu)能(neng)(neng)器等高壓容器已廣泛用于(yu)石油(天然氣(qi)(qi)(qi)(qi)(qi)(qi)(qi))、化工(gong)、機(ji)械(xie)、冶金、能(neng)(neng)源、輕工(gong)、國(guo)防、環保、海(hai)洋、空間、建筑、消防、衛生(sheng)(sheng)、運輸等各(ge)個領域。我(wo)國(guo)已是名副(fu)其實的(de)(de)(de)(de)(de)氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)瓶(ping)(ping)和氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)瓶(ping)(ping)管(guan)(guan)的(de)(de)(de)(de)(de)生(sheng)(sheng)產(chan)(chan)大(da)(da)(da)國(guo),并(bing)批量出(chu)(chu)口(kou)到世(shi)界各(ge)地(di)。
行業內一般(ban)把氣瓶(ping)管(guan)(guan)大致分成(cheng)氣瓶(ping)管(guan)(guan)(一般(ban)氣瓶(ping)管(guan)(guan))、CNG氣瓶(ping)管(guan)(guan)和蓄能器管(guan)(guan)。
一、氣(qi)瓶(ping)管(guan)(一般(ban)氣(qi)瓶(ping)管(guan))
主要牌號:37Mn、34Mn2V、30CrMo(4130X)、35CrMo、34CrMo4、30CrMnSiA等;目前34Mn2V牌號已基本(ben)不采用(yong),35CrMo也很少采用(yong);
常(chang)用規格:Φ114~406mm,壁厚3~8.8mm;
使用壓力(li):8~30MPa。
二(er)、CNG(壓縮天然氣)氣瓶管(guan)
主(zhu)要牌(pai)號:30CrMo(4130X)、34CrM04,其中(zhong)拖車用30CrMo(4130X);
常用規(gui)格:纏繞瓶(ping)(車用)
熱軋管:φ325mm×7.0mm、φ356mm×(7.4~7.7)mm、φ406mm×8.8mm;
冷拔/軋:φ325mm×(4.3~4.6)mm;φ356mm×4.7mm、φ406mm×(5.4~5.9)mm;
拖車用:φ559mm×15.1mm,16.8mm,17.3(17.6)mm,φ610mm×15.2mm,19.8mm、φ711mm×21.5mm;
使(shi)用壓力(li):20MPa。
三、蓄(xu)能器管
主要(yao)牌(pai)號:30CrMo(4130X)、35CrMo、34CrM04。
常(chang)用規格:φ89~457mm,壁厚5~30mm。
使用(yong)壓(ya)力:6.3~63MPa(常(chang)用(yong)10MPa、20MPa)。