What is the difference between clay bricks and three-level high alumina bricks?

Musiyano mukuru uripo pakati pezvidhinha zvevhu neakakwira-alumina zvidhinha aruminiyamu zvemukati uye huwandu hwakawanda.

Zvidhinha zvine 40-48% aruminiyamu zvemukati zvidhinha zvevhu. Zvidhinha zvevhu zvine zviratidzo zvakasiyana zveN-1, N-2, N-3, uye N-4 muyero yenyika. Mukugadzira nekushandisa, N-2, N- 3 zvidhinha zvevhu zvinoshandiswa zvakanyanya, uye zvakare zvigadzirwa zvakajairika zvinogadzirwa nevakawanda vanogadzira. Kuwanda kwehuwandu kuri pakati pe2.1-2.15. Muchiitiko cheN-1 zvidhinha zvevhu, zvimwe zviratidzo zvakakwirira kupfuura chechitatu-giredhi yakakwira alumina zvidhinha.

Bricks with 55% aluminum content are third-grade high-alumina bricks with a bulk density between 2.15-2.25. At present, due to the production area and raw materials, the aluminum content of clay bricks is about 56%. The aluminum content of the clay bricks in Xinmi, Henan is about 56%, and the body density is above 2.15, which is basically a third-grade high-alumina brick. Moreover, the firing temperature is high, and the chemical index is not lower than the third-grade high alumina brick, but there is a difference in the softening temperature of the load.

The aluminum content of the three-level high alumina bricks currently produced is about 63%, and some have 65%. The body density is above 2.25, and the load softening temperature is slightly lower. In terms of chemical indicators, it is only different from the second grade high alumina bricks in unit weight and load softening temperature.

Iko kutaridzika kwemavara ezvitina zvevhu uye chechitatu-giredhi yakakwira-alumina zvidhinha zvichiri zvakasiyana. Zvidhinha zvevhu ndezvitsvuku-yero, uye chechitatu-giredhi yakakwira-alumina zvidhinha chena uye yero.

Pane musiyano wehuremu pakati pezvidhinha zvevhu negiredhi rechitatu alumina zvidhinha. Izvo zvakafanana zvidhinha zvevhu zvidhinha zviri kureruka kupfuura giredhi rechitatu yakakwirira alumina zvidhinha. Iyo yekupisa tembiricha zvakare yakadzika ne20-30 ° C.

Zvidhinha zvevhu uye giredhi matatu epamusoro alumina zvidhinha zvine musiyano mukumanikidza simba uye mutoro softening tembiricha. Iko kusimba kwesimba kwezvidhinha zvevhu 40Mpa, nepo simba rekumanikidza regiredhi rechitatu rakakwirira alumina zvidhinha riri 50Mpa. Mutoro wakapfava wezvidhinha zvevhu zvakare wakakwirira kupfuura uya wegiredhi rechitatu. Iyo Refractoriness yealuminium chidhinha iri 30-40 ℃, uye yayo Refractoriness inenge 30 ℃ yakaderera.