Emkhakheni we-amapayipi ensimbi, izindinganiso zamapayipi ensimbi yomthungo oqondile ahlanganisiwe nge-arc zibalulekile. Enye yezindinganiso yi-GB/T3091-2008, ehlanganisa izinhlobo ezahlukene zamapayipi ensimbi yomthungo oqondile, njengokumelana nemvamisa ephezuluamapayipi ensimbi ahlanganisiwe (ERW), i-arc engaphansi kwamanziamapayipi ensimbi ahlanganisiwe (SAWL)kanye namapayipi ensimbi ahlanganisiwe e-arc (SAWH) ajikelezayo. )Ipayipi Lensimbi.
Ekuthuthweni koketshezi olunomfutho ophansi, i-GB/T3091-2008 iphinde ibeke ukusetshenziswaamapayipi ensimbi ahlanganisiwe ahlanganisiwe. Lawa mapayipi ensimbi ahlanganisiwe kagesi, aziwa kakhulu ngokuthi amapayipi amhlophe, asetshenziselwa ukuthutha amanzi, igesi, umoya, uwoyela, umusi ofudumalayo, amanzi afudumele, njll. Imininingwane yalawa mapayipi ensimbi ivezwa ngobubanzi obujwayelekile, kanti ububanzi bangaphandle kanye nobukhulu bodonga kuhambisana nemithetho ye-GB/T21835. Ngaphezu kwalokho, ubude bepayipi lensimbi bungasukela ku-300mm kuya ku-1200mm, futhi bungalinganiswa ubude noma ubude obuphindwe kabili.
Uma kukhulunywa ngezinkinga zekhwalithi, izinga lokushisa ngesikhathi senqubo yokubhoboza linomthelela omkhulu. Amapayipi ensimbi okwandisa ukushisa ngokuvamile afinyelela amazinga okushisa acishe abe ngu-1200°C, yize okuqukethwe yikhabhoni kanye nezinto ezixubayo kunganciphisa amazinga okushisa kancane. Esinye isici esibalulekile okufanele sicatshangelwe ukunciphisa inani lesikali ngesikhathi sokugoba okushisayo, njengoba lokhu kungathinta impilo yamathuluzi kanye nekhwalithi yobuso.
Ukusebenza kokushisa kuyinqubo ebalulekile ekukhiqizweniIpayipi lensimbi yomthungo oqondile elingu-16MnNjengoba ukucubungula okuningi kwenzeka esimweni sokushisa, ukulawula okunembile izinga lokushisa lokushisa kubalulekile ukuqinisekisa ikhwalithi yomkhiqizo wokugcina.
Ukuze kulondolozwe ikhwalithi nezindinganiso, ukulawula izinga lokushisa ngesikhathi sokucubungula ukubhoboza kubalulekile. Ipayipi lensimbi eliqondile elijwayelekile le-GB/T3091-2008 lichaza ukuphambuka okuvumelekile ngobukhulu, ukuma, isisindo kanye nobubanzi bangaphandle kanye nobukhulu bodonga. Ukuphambuka okuvumelekile kobukhulu bodonga obujwayelekile kuyahlukahluka ngokuya ngebanga lokuphambuka, kusukela ku-S1 kuya ku-S5, futhi ibanga ngalinye lichaza iphesenti elihambisanayo kanye nokuphambuka okuncane.
Ngaphezu kokubekezelelana kobukhulu bodonga obujwayelekile, ukubekezelelana kobukhulu bodonga okungajwayelekile nakho kuyacatshangelwa. Amazinga okuphambuka (isb. i-NS1 kuya ku-NS4) afaka phakathi ukuphambuka kwamaphesenti athile ukuqinisekisa ukulawulwa kwekhwalithi. Kufanele kuqashelwe ukuthi i-S imelela ukujiya kodonga okujwayelekile kwepayipi lensimbi, kanti i-D imelela ububanzi bangaphandle obujwayelekile bepayipi lensimbi.
Ukuqinisekisa ukuhambisana nalezi zindinganiso kubalulekile ekukhiqizweni kwamapayipi ensimbi ahlanganisiwe angaphansi kwe-arc asezingeni eliphezulu. Ngokugcina ukulawula okunembile kwezinga lokushisa nokunaka ukuphambuka okuvunyelwe, abakhiqizi bangahlangabezana nokulindelwe amakhasimende futhi banikeze imikhiqizo ethembekile nehlala isikhathi eside.
Isikhathi sokuthunyelwe: Novemba-10-2023