Chitoliro cha ASTM A53ndiChitoliro cha boiler cha ASTM A192amachita gawo lofunika kwambiri muMapaipi a APIMafotokozedwe okhazikika awa adapangidwa kuti atsimikizire mtundu, kudalirika komanso chitetezo cha mapaipi omwe amagwiritsidwa ntchito m'mafakitale osiyanasiyana kuphatikiza mafuta ndi gasi, mankhwala a petrochemical ndi kupanga magetsi.
Chitoliro cha ASTM A53 ndi chitoliro chachitsulo cha kaboni chopanda msoko komanso cholumikizidwa chomwe chimagwiritsidwa ntchito kwambiri kunyamula gasi, madzi, ndi mafuta m'malo opanikizika kwambiri komanso kutentha kwambiri. Mapaipi awa amadziwika chifukwa cha mphamvu zawo zapadera komanso kulimba kwawo, zomwe zimapangitsa kuti akhale oyenera kugwiritsidwa ntchito m'malo ovuta komanso m'malo ovuta. Miyezo yokhwima yopangira zinthu yatchulidwa muASTM A53onetsetsani kuti mapaipi alibe zolakwika komanso kukula ndi magwiridwe antchito ofanana kuti madzi asamutsidwe bwino komanso modalirika.
Kumbali ina, machubu a boiler a ASTM A192 apangidwa makamaka kuti azigwiritsidwa ntchito mu ma boiler amphamvu kwambiri, ma heat exchanger, ndi ma condenser. Mapaipi a carbon steel awa opanda msoko ali ndi mphamvu yabwino kwambiri yoyendetsera kutentha ndipo amatha kupirira kutentha kwambiri ndi kupsinjika. Mafotokozedwe okhwima omwe afotokozedwa mu ASTM A192 amatsimikizira kuti machubu amatha kusamutsa kutentha bwino ndikupewa dzimbiri, ndikuwonetsetsa kuti makina a boiler akuyenda bwino komanso motetezeka.
Chitoliro cha ASTM A53 ndi ASTM A192chitoliro cha boilerndi zigawo zofunika kwambiri mu machitidwe a mapaipi a API. Sikuti zimangotsimikizira kuyenda bwino kwa madzi, komanso zimathandiza kuti dongosolo lonse likhale lotetezeka komanso lodalirika. Mwa kutsatira miyezo iyi, mafakitale amatha kupewa zochitika zomwe zingachitike, kuchepetsa nthawi yogwira ntchito, ndikuwonetsetsa kuti zomangamanga zawo zikuyenda bwino komanso zikugwira ntchito bwino kwa nthawi yayitali.
Nthawi yotumizira: Sep-12-2023