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Sep 17, 2021CAUSES AND PREVENTION MEASURES OF CRACKS AND COLLAPSES IN REFRACTORY BRICKS D...After the refractory bricks are formed, they need to be dried in a tunnel drying kiln. During the drying process, due to improper operation or other reasons, it is easy to cause... -
Sep 16, 2021ANTI-ALKALI CORROSION TEST OF CORUNDUM AND MULLITE REFRACTORIES IN WASTE INCI...Abstract: In order to explore the mechanism of corrosion of refractory materials for waste incinerators by alkali metal compounds, three castables of mullite, corundum and chrom... -
Sep 10, 2021THE FEASIBILITY OF REPLACING MAGNESIA ALUMINUM CARBON BRICKS WITH CORUNDUM SP...2.2 Composition and structure of corundum-spinel castable after use The thickness of the original working layer is 230～250mm, and the apparent morphology of the impact area at t... -
Sep 09, 2021THE FEASIBILITY OF REPLACING MAGNESIA-ALUMINUM-CARBON BRICKS WITH CORUNDUM SP...Electric furnace ladle has harsh operating conditions: high tapping temperature (1640～1690℃), as many as 1,000 steel grades, wide range of slag alkalinity (n(CaO)/n(SiO₂)=0.5～5)... -
Sep 02, 2021REFRACTORY CASTABLE CONSTRUCTION METHOD1. Before the construction of refractory castables, the following inspections should be strictly carried out: (1) Check the appearance and cleanliness of the equipment to be pou... -
Aug 20, 2021ADVANTAGES OF SINTERED BRICK TUNNEL KILN LIGHTWEIGHT MULLITE BRICK CeilingProduct characteristics: Low thermal conductivity, low heat capacity; high purity, low impurity content; high temperature resistance, direct flame contact; high strength, and ex... -
Aug 13, 2021THE INTRODUCTION OF MAGNESIA BRICKThe main crystal phase of magnesia brick is periclase, which has the typical characteristics of general alkaline refractory products, but its thermal shock resistance is poor. I... -
Aug 06, 2021【SPECIAL CEMENT】REFRACTORY CEMENTAny raw material with high-quality bauxite and high-quality lime as raw materials, mixed in a certain proportion to form an appropriate amount of raw material, after sintering, ... -
Aug 05, 2021SOME KNOWLEDGE ABOUT CORUNDUM REFRACTORY CASTABLEAmong silicon-aluminum refractory castables, refractory castables with Al₂O₃ content greater than 90% belong to corundum refractory castables. Design principles of corundum cast... -
Jul 30, 2021HOW ARE REFRACTORY BRICKS FIRED(二)2. Firing system In order to reasonably carry out the firing of various refractory products, the firing system of each product should be determined in advance, which includes: t... -
Jul 29, 2021HOW ARE REFRACTORY BRICKS FIRED(一)The so-called kiln installation refers to the operation process of rationally arranging and stacking bricks that meet the technical conditions of semi-finished products in the k... -
Jul 16, 2021FOUR KEY POINTS THAT AFFECT THE PERFORMANCE OF LOW CEMENT CASTABLES MUST BE K...Low-cement refractory castables are unshaped refractory materials that have been widely used in recent years, mainly including aluminum silicate, magnesia, and silicon. Its stre...
