nkhaus refractory cib muaj Al2O3 txog 30% ~ 45%, thiab silica cov ntsiab lus qis dua 78%. nkhaus refractory bricks yog cov tsis muaj zog acid refractory cov ntaub ntawv. nkhaus refractory block yog resistant rau acid slag thiab yaig ntawm cov kua qaub gases, tab sis lub peev xwm alkali tsis kam yog me ntsis tsis zoo. nkhaus refractory blocks muaj cov cim ntawm kev ua haujlwm zoo thermal thiab zoo thermal poob siab tsis kam.
Curved Firebrick | |||
Index | 40 - 45% Alumina Fireclay Cib | 30 - 35% Alumina Fireclay Cib | |
Yam khoom | Chav tsev | 1600 ° C | 1500 ° C |
Kev ceev ceev | g/cm³ | 2.2 | 2.1 |
Pom tseeb Porosity | % | 22 | 24 |
Modulus ntawm Repture | kg/cm² | 90 | 80 |
Txias Crushing Zog | kg/cm² | 300 | 250 |
Linear Expansion 1350 ° C | % | 0.2 | 0.2 |
Refractoriness Nyob rau hauv Load | °C | 1450 | 1300 |
Curved firebrick feem ntau yog siv rau insulating hauv ob sab phlu ntawm kub qhov chaw los yog rov qab cua sov-insulating txheej ntawm lwm yam ntaub ntawv refractory. cov ntaub ntawv refractory los yog cov ntaub ntawv kub-insulating ntawm kev lag luam, xws li ethylene pyrolysis rauv, tubular furnaces, hloov kho cov cua sov ntawm hluavtaws ammonia, roj generators thiab high-temperature shullte kilns, thiab lwm yam.