Imifantu eguqukayo izothinta isilinganiso somkhiqizo esiqediwe ngemuva nje kokugoqa. Khulisa isikhathi sokuhlanza imali esikweletwayo, ukulimala okukhulu. Izinga lokushisa le-slab liyi-brittle indawo ye-700-900 ℃. Isizathu sokuqhekeka okungaphansi komhlaba kungu-1050-1100 ℃, imifantu eguquguqukayo ebusweni besizathu yindawo eyimali ekhokhwayo yingxenye enkulu yokuqondisa ukucindezela. I-niobium nitride emingceleni ye-autenquite yokusanhlamvu inciphisa amandla abophayo, ukuhanjiswa kwezinhloso zokusanhlamvu. Ngalesi sikhathi esigabeni esigobile se-slab jungction arc esimpofu, okuholela ekuqhekekeni komhlaba okuphansi. Imifantu eqondile kanye nokwakheka kwamakhemikhali, isikhunta sokupholisa kwamanzi okupholisa, imishini yokubumba, ukwakheka kwamakhemikhali kwe-slag, uhlelo oluqhubekayo lokuphonsa ngokunemba okuhlobene. Izindlela zokuvimbela ezihlobene:
1. Lawula ukwakheka kwensimbi. Zama ukuvikela i-WC yi-0,12% -0.16% D36 Steel Carbon Okuqukethwe indlela yokulawula inqubo ngokuya ngomkhawulo ophezulu. Inganciphisa ngempumelelo imifantu. Indawo yokuphendula ye-peritetic.
2 Ukucindezela ukwenzeka kwemifantu lapho isimo sezulu sishintsha. Ingasetshenziswa futhi ngemuva kokumiswa kwakho konke ukuchelela nokuthulula isikhathi akuvulekile lapho izinga lokushisa lamanzi lingaphansi kwamanzi okupholisa angama-20 ℃ isikhunta isikhunta.
3. Lungisa amapharamitha we-Crystallization Prameters ukuze uguqule inani lamanzi ngosayizi wokubumba, ngokuya ngobukhulu obuhlukile bethusi. Ngokushintsha inani lamanzi ukuze kuqinisekiswe ukuthi izigaba ezahlukahlukene zokuqina okufanayo kokubumba.
4. Ukuthuthukisa uhlelo lokupholisa wesibili, ukuthuthukisa izinga lokushisa lesizinda sokuqondisa, ngokwandisa uhlelo lokupholisa lwesibili. Vimbela i-Brittle Zone Billt eqonde, kunganciphisa kangcono amathuba okuqhekeka kwe-slab transver.
I-5. I-STRAND ngokuhlanza ukubukeka nokususwa kwe-slab Scarf Corner, kuyindlela ephumelelayo yokuhlanza isiqinisekiso sekhwalithi yokugcina se-slab billet. Singathuthukisa ikhwalithi yokugcina ye-slab.
Isikhathi sePosi: Jul-24-2023