Ukulawulwa kwekhwalithi kwezinqubo ze-welding
Ikhwalithi ye-Welding inomthelela omkhulu ekhwalithi yokukhiqiza yemikhumbi yokuhlola okuphansi kwamazinga okushisa.
Ikhwalithi ye-Welding inomthelela omkhulu ekhwalithi yokukhiqiza yemikhumbi yokuhlola okuphansi kwamazinga okushisa. Ukuvimbela ukuqhekeka okubandayo nokushisayo ku-welding yensimbi ephansi kubalulekile, kugxile ekugcineni ubulukhuni be-low-yokushisa kuma-welds kanye nezindawo ezithinteke kakhulu.
3.1 Ukuvimbela ukuqhekeka okubandayo ngensimbi yokushisa ephansi
Izimbangela zokuqhekeka okubandayo zibandakanya izingcindezi, ukuqeda izakhiwo, kanye nokuqukethwe kwe-hydrogen. Izinyathelo zokuvimbela imifantu ebandayo zifaka ukunciphisa imithombo ye-hydrogen, ukukhetha amapharamitha we-welding afanele, ukulawulwa kwekhwalithi okuqinile kokufanelekile, kanye nokushisa okushisa nokushisa okushisayo.
3.2 Ukuvimbela ukuqhekeka okushisayo ngensimbi yokushisa ephansi
Ukuqhekeka okushisayo kubangelwa yingcindezi, ukungcola kanye nokwakheka kwamakhemikhali. Izindlela zokulawula zibandakanya ukulungiswa kwe-alloy yokwakheka, ukusatshalaliswa komfelandawonye okufanele, amapharamitha we-welding afanelekile, kanye nokwelashwa kwe-post-weld.