Na kowa refractory kayan kamar tubali masu numfashi, high alumina tubalin, silicon carbide castables, da dai sauransu.

Kayayyakin sakewa suna nufin nau’in kayan da ba na ƙarfe ba tare da refractoriness ba ƙasa da 1580 ° C. Ana amfani da tubalin da ke jujjuya numfashi akai-akai a cikin masana’antar ƙarfe da ƙarfe, kuma ba za a iya maye gurbin matsayinsu da wasu kayan da ba za a iya jurewa ba. Refractory kayan da ake amfani da ko’ina a karafa, sinadarai, man fetur, inji masana’antu, silicate, iko da sauran masana’antu filayen, kuma su ne mafi girma a cikin karafa masana’antu, lissafin kudi fiye da rabin jimlar fitarwa.

(Hoto) Tsaga tubali mai numfashi

Baya ga tubalin ladle da aka ambata a sama, abubuwan da aka ambata na yau da kullun sun haɗa da tubalin yumbu, tubalin alumina masu tsayi, bulo na mullite, bulogin corundum, katangar yumbu, simintin carbide castables, manyan kayan feshin alumina, ƙananan zafin jiki na warkewa, Silicon carbide ramming. kayan aiki, da dai sauransu. High-alumina tubalin, babban bangaren shine alumina, an yi su da kayan da aka yi da kayan aiki mai mahimmanci kamar bauxite. Ana ƙara yumbu mai laushi ko ɗan laushi mai laushi zuwa babban alumina clinker azaman ɗaure don fara batching, haɗawa, sannan kafawa da bushewa. Daga karshe an kori.

(Hoto) Silicon carbide castable

Silicon carbide castable an yi shi da siliki carbide mai tsafta a matsayin babban abu, tsantsar simintin siminti mai tsafta da micro-foda a matsayin mai ɗaure, yana da ƙarfin zafin jiki mai ƙarfi da juriya, kuma ana iya jefa shi, fesa shi da kuma lalata ginin. Za’a iya amfani da simintin siliki na carbide a cikin ɓangarorin sharar gida, magudanar wuta, guguwa, tanderu mai tafasa da tukunyar jirgi da sauran sassa masu sauƙin sawa, kuma ana iya amfani da su azaman kayan haɓaka ƙarfin zafi mai ƙarfi.