nozzles tundish na-emegharị anya na mkpanaka nkwụsị

Mkpanaka nkwụsị: N'akụkụ igwe nkedo na-aga n'ihu, a na-eji plọg na-ejikọta ya eme ihe n'ọtụtụ ebe. Igwe na-ekpuchi ikuku inert na-esi na obere oghere dị n'isi nke nkwụnye nkwụnye ahụ, nke nwere ike igbochi aluminum oxide na-etinye n'akụkụ ebe akara nke ọdụ ụgbọ mmiri, ma ọ bụ belata ọnụ ọgụgụ nchịkọta ya, ma mee ka ebe nchịkọta ahụ gbadaa. Iji gbatịa ndụ nke isi plọg ahụ iji kwado ọtụtụ ọkụ ọkụ na-aga n'ihu na-awụpụ, a na-eji isi isi na zirconia multilayer ma ọ bụ zirconia plọg zuru ezu na tundish nke ihe nkedo slab.
Tudish nozzles: A na-ahọrọ ihe nke tundish nozzles dị ka ụdị nchara awụsara si dị, mgbe ị na-awụsa nchara carbon n'ozuzu, ị nwere ike iji nozzle mulite nwere Al2O3 70 ~ 75%. Mgbe ị na-awụsa nchara dị mfe, enwere ike iji magnesium oxide ma ọ bụ zirconia nozzles. Mgbe ị na-awụsa ígwè manganese dị elu, enwere ike iji graphite aluminum ma ọ bụ zirconia nozzles mee ihe.