20世(shi)紀70年代后(hou)(hou)期,我(wo)國(guo)(guo)就開(kai)(kai)始了用(yong)無縫鋼管(guan)(guan)(guan)(guan)制(zhi)(zhi)造氣(qi)(qi)(qi)瓶(ping)(ping)(ping)(ping)(ping)(ping),但由(you)于氣(qi)(qi)(qi)瓶(ping)(ping)(ping)(ping)(ping)(ping)收底封口技(ji)術(shu)沒有過(guo)關(guan),致使這一(yi)工藝(yi)未能(neng)得(de)到(dao)進一(yi)步擴展(zhan)(zhan),同時也使管(guan)(guan)(guan)(guan)制(zhi)(zhi)氣(qi)(qi)(qi)瓶(ping)(ping)(ping)(ping)(ping)(ping)的(de)(de)(de)發展(zhan)(zhan)受到(dao)了影響。直到(dao)90年代初(chu),北京天海(hai)公司成(cheng)功地掌握(wo)了用(yong)無縫管(guan)(guan)(guan)(guan)制(zhi)(zhi)瓶(ping)(ping)(ping)(ping)(ping)(ping)收底的(de)(de)(de)關(guan)鍵技(ji)術(shu),氣(qi)(qi)(qi)瓶(ping)(ping)(ping)(ping)(ping)(ping)制(zhi)(zhi)造工藝(yi)才(cai)從主要采(cai)用(yong)沖(chong)拔(ba)瓶(ping)(ping)(ping)(ping)(ping)(ping)逐步轉向(xiang)管(guan)(guan)(guan)(guan)制(zhi)(zhi)氣(qi)(qi)(qi)瓶(ping)(ping)(ping)(ping)(ping)(ping)發展(zhan)(zhan)。管(guan)(guan)(guan)(guan)制(zhi)(zhi)氣(qi)(qi)(qi)瓶(ping)(ping)(ping)(ping)(ping)(ping)由(you)于具有內外表面質量(liang)好、尺寸精度高(gao)(gao)、重量(liang)輕、生(sheng)(sheng)(sheng)產(chan)(chan)(chan)效(xiao)(xiao)率和(he)(he)成(cheng)材率高(gao)(gao)、成(cheng)本(ben)低、制(zhi)(zhi)瓶(ping)(ping)(ping)(ping)(ping)(ping)工序(xu)(xu)簡單等(deng)(deng)一(yi)系列優點,深受氣(qi)(qi)(qi)瓶(ping)(ping)(ping)(ping)(ping)(ping)企業(ye)的(de)(de)(de)歡迎。管(guan)(guan)(guan)(guan)制(zhi)(zhi)瓶(ping)(ping)(ping)(ping)(ping)(ping)制(zhi)(zhi)造技(ji)術(shu)的(de)(de)(de)進步,推(tui)動了氣(qi)(qi)(qi)瓶(ping)(ping)(ping)(ping)(ping)(ping)行業(ye)發展(zhan)(zhan)。90年代后(hou)(hou),隨(sui)著(zhu)國(guo)(guo)內連軋管(guan)(guan)(guan)(guan)機(ji)(ji)組的(de)(de)(de)建設,連軋管(guan)(guan)(guan)(guan)機(ji)(ji)的(de)(de)(de)生(sheng)(sheng)(sheng)產(chan)(chan)(chan)工藝(yi)更(geng)適合大(da)(da)徑壁比氣(qi)(qi)(qi)瓶(ping)(ping)(ping)(ping)(ping)(ping)管(guan)(guan)(guan)(guan)的(de)(de)(de)生(sheng)(sheng)(sheng)產(chan)(chan)(chan),使氣(qi)(qi)(qi)瓶(ping)(ping)(ping)(ping)(ping)(ping)管(guan)(guan)(guan)(guan)的(de)(de)(de)生(sheng)(sheng)(sheng)產(chan)(chan)(chan)效(xiao)(xiao)率、合格率、成(cheng)材率大(da)(da)幅度提升,氣(qi)(qi)(qi)瓶(ping)(ping)(ping)(ping)(ping)(ping)管(guan)(guan)(guan)(guan)的(de)(de)(de)產(chan)(chan)(chan)量(liang)呈(cheng)大(da)(da)幅增長(chang),并(bing)拉開(kai)(kai)了氣(qi)(qi)(qi)瓶(ping)(ping)(ping)(ping)(ping)(ping)管(guan)(guan)(guan)(guan)快速發展(zhan)(zhan)的(de)(de)(de)序(xu)(xu)幕。進入21世(shi)紀以來(lai),隨(sui)著(zhu)國(guo)(guo)民經濟快速發展(zhan)(zhan)的(de)(de)(de)同時,國(guo)(guo)家對大(da)(da)氣(qi)(qi)(qi)污(wu)染物排放也提出(chu)了更(geng)高(gao)(gao)要求,天然氣(qi)(qi)(qi)作為一(yi)種清潔高(gao)(gao)效(xiao)(xiao)能(neng)源(yuan)在城鎮居民生(sheng)(sheng)(sheng)活中越來(lai)越多地被廣泛應(ying)用(yong)。在這樣(yang)的(de)(de)(de)形勢下采(cai)用(yong)充裝壓縮天然氣(qi)(qi)(qi)的(de)(de)(de)纏繞氣(qi)(qi)(qi)瓶(ping)(ping)(ping)(ping)(ping)(ping)、拖車用(yong)大(da)(da)口徑氣(qi)(qi)(qi)瓶(ping)(ping)(ping)(ping)(ping)(ping)應(ying)運而生(sheng)(sheng)(sheng),并(bing)促使著(zhu)氣(qi)(qi)(qi)瓶(ping)(ping)(ping)(ping)(ping)(ping)管(guan)(guan)(guan)(guan)向(xiang)輕量(liang)化、大(da)(da)口徑方向(xiang)發展(zhan)(zhan),采(cai)用(yong)熱(re)軋+冷拔(ba)、熱(re)軋+擴管(guan)(guan)(guan)(guan)或熱(re)軋+擴管(guan)(guan)(guan)(guan)+冷拔(ba)等(deng)(deng)氣(qi)(qi)(qi)瓶(ping)(ping)(ping)(ping)(ping)(ping)管(guan)(guan)(guan)(guan)生(sheng)(sheng)(sheng)產(chan)(chan)(chan)工藝(yi)也隨(sui)之發展(zhan)(zhan)起來(lai),不斷滿(man)足氣(qi)(qi)(qi)瓶(ping)(ping)(ping)(ping)(ping)(ping)行業(ye)發展(zhan)(zhan)的(de)(de)(de)需求。目前,采(cai)用(yong)氣(qi)(qi)(qi)瓶(ping)(ping)(ping)(ping)(ping)(ping)管(guan)(guan)(guan)(guan)制(zhi)(zhi)造的(de)(de)(de)氣(qi)(qi)(qi)瓶(ping)(ping)(ping)(ping)(ping)(ping)、蓄(xu)能(neng)器等(deng)(deng)高(gao)(gao)壓容器已廣泛用(yong)于石油(天然氣(qi)(qi)(qi))、化工、機(ji)(ji)械(xie)、冶金、能(neng)源(yuan)、輕工、國(guo)(guo)防、環保、海(hai)洋、空間、建筑(zhu)、消防、衛生(sheng)(sheng)(sheng)、運輸等(deng)(deng)各個領域(yu)。我(wo)國(guo)(guo)已是名(ming)副其實的(de)(de)(de)氣(qi)(qi)(qi)瓶(ping)(ping)(ping)(ping)(ping)(ping)和(he)(he)氣(qi)(qi)(qi)瓶(ping)(ping)(ping)(ping)(ping)(ping)管(guan)(guan)(guan)(guan)的(de)(de)(de)生(sheng)(sheng)(sheng)產(chan)(chan)(chan)大(da)(da)國(guo)(guo),并(bing)批量(liang)出(chu)口到(dao)世(shi)界各地。
行(xing)業內(nei)一(yi)般(ban)把氣瓶管(guan)(guan)(guan)(guan)大致分成氣瓶管(guan)(guan)(guan)(guan)(一(yi)般(ban)氣瓶管(guan)(guan)(guan)(guan))、CNG氣瓶管(guan)(guan)(guan)(guan)和(he)蓄(xu)能器管(guan)(guan)(guan)(guan)。
一(yi)、氣(qi)(qi)瓶(ping)管(一(yi)般氣(qi)(qi)瓶(ping)管)
主要牌(pai)號:37Mn、34Mn2V、30CrMo(4130X)、35CrMo、34CrMo4、30CrMnSiA等(deng);目前34Mn2V牌(pai)號已基本不采(cai)用,35CrMo也很少采(cai)用;
常用規格(ge):Φ114~406mm,壁厚3~8.8mm;
使用(yong)壓(ya)力(li):8~30MPa。
二、CNG(壓縮天然氣)氣瓶管
主(zhu)要牌(pai)號:30CrMo(4130X)、34CrM04,其中拖車用30CrMo(4130X);
常用(yong)(yong)規格:纏繞(rao)瓶(車用(yong)(yong))
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;
使用壓力:20MPa。
三、蓄能器管(guan)
主要(yao)牌號:30CrMo(4130X)、35CrMo、34CrM04。
常用規格:φ89~457mm,壁厚5~30mm。
使用壓力(li):6.3~63MPa(常用10MPa、20MPa)。