Mene ne bambanci tsakanin babban tubalin alumina da tubalin yumbu

Bulogin alumina masu nauyi masu nauyi yawanci suna amfani da babban alumina bauxite clinker tare da ƙaramin yumbu. Bayan an nitse su, ana zuba su a siffata su ta hanyar laka ta hanyar samar da iskar gas ko hanyar kumfa, sannan a harba su a 1300-1500 ° C. Wani lokaci ana iya amfani da alumina na masana’antu don maye gurbin ɓangaren bauxite clinker. Ana amfani da shi don rufin rufin rufin rufin katako na katako, da kuma sassan da ba su da lalata da kayan narkakkar zafi mai ƙarfi. Lokacin da ke cikin hulɗa kai tsaye tare da harshen wuta, yanayin hulɗar saman ba zai zama sama da 1350 ℃ ba.

Tubalin yumbu masu nauyi, masu sanyaya wutar lantarki suna nuni zuwa ga masu ɗorewa tare da babban porosity, ƙarancin ƙarancin girma da ƙarancin zafin jiki. Har ila yau ana kiran na’urori masu sanyaya wutar lantarki masu nauyi, waɗanda suka haɗa da kayan haɓakar zafin jiki, zaruruwa masu ƙarfi da samfuran fiber. Thermal rufi refractories suna halin high porosity, kullum 40% -85%; ƙananan ƙananan yawa ƙasa da 1.5g / cm3; low thermal conductivity, gabaɗaya kasa da 1.0W (mK). Yana aiki a matsayin kayan daɗaɗɗen zafi don kilns na masana’antu, wanda zai iya rage asarar zafi na kiln, ajiye makamashi, da kuma rage ingancin kayan aiki na thermal. Thermal rufi refractories da matalauta inji ƙarfi, abrasion juriya da slag lalata juriya, kuma ba su dace da load-hali tsarin na kiln da kai tsaye lamba tare da slag, cajin, narkakkar karfe da sauran sassa.

Akwai bambance-bambance a cikin abun ciki na aluminum, nauyin naúrar, zafin amfani, da launi. Misali: tubalin alumina masu tsayi 75 da tubalin yumbu 43, raka’a 75 masu nauyin fiye da 4.5kg. 43 na kimanin 3.65kg, yawan zafin jiki na 75 high alumina shine game da 1520, 43 na tubalin kusan 1430, launi shine 75 a fari, kuma 43 shine loess. A takaice dai, bambancin yana da girma.