Sefetoleli se entsoeng ka tšepe ea calcium silicon Si40 Fe40 Ca10
Tlhaloso ea Sehlahisoa
Ka mor'a hore motsoako oa silicon-calcium o hlajoe ke deoxidized, li-inclusions tse se nang tšepe tse nang le likaroloana tse kholoanyane le tse bonolo ho phaphamala li hlahisoa, 'me sebopeho le thepa ea li-inclusions tse se nang tšepe li boetse li fetoloa.Ka hona, alloy ea silicon-calcium e sebelisoa ho hlahisa tšepe e hloekileng, tšepe ea boleng bo holimo e nang le oksijene e fokolang le sebabole, le tšepe e khethehileng ea ts'ebetso e nang le oksijene e tlaase haholo le sebabole.Ho eketsoa ha silicon-calcium alloy ho ka felisa nodulation ea tšepe ka aluminium e le deoxidizer ea ho qetela ka nozzle ea ladle, le ho koala molomo oa tundish ea ho lahla ho tsoelang pele |ho etsa tšepe.Theknoloji ea ho hloekisa tšepe ka ntle ho sebōpi, phofo ea silicon-calcium kapa terata ea mantlha e sebelisetsoa deoxidation le desulfurization ho fokotsa litaba tsa oksijene le sebabole ka tšepe ho ea boemong bo tlaase haholo;e ka boela ea laola mofuta oa sulfide ka tšepe le ho ntlafatsa sekhahla sa tšebeliso ea khalsiamo.Tlhahisong ea tšepe e entsoeng ka tšepe, ho phaella ho deoxidation le tlhoekiso, alloy ea silicon-calcium e boetse e phetha karolo ea inoculating, e thusang ho theha graphite e ntle-grained kapa spherical;e etsa hore graphite ka tšepe e bohlooho e aroloe ka mokhoa o ts'oanang, e fokotsa tšekamelo ea ho soeufala;'me e ka eketsa silicon le desulfurize, Ntlafatsa boleng ba tšepe ea tšepe.
Tšebeliso
E le motsoako oa deoxidizer (deoxidization, desulphurization le degassing) E sebelisoa ho etsa tšepe, ho qhibilihisa alloy.E le inoculant, hape e sebelisoa ho hlahisa tlhahiso.
Boemo ba mmele
Thkarolo ea e ca-si e boputsoa bo bobebe e hlahileng ka sebopeho se hlakileng sa lijo-thollo.Lump, lijo-thollo le phofo.
Sephutheloana:
k'hamphani ea rona e ka fana ka mefuta e fapaneng ea lijo-thollo tse boletsoeng ho latela litlhoko tsa basebelisi, tse kentsoeng ka masela a polasetiki le mokotla oa lithane.
Chemical Element
Ca | Si | Fe | AI | C | P |
10-15% | 40-45% | 40-45% | 2.0%max | 0.5% boholo | 0.05% boholo |