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首页> 外文期刊>Journal Of The South African Institute Of Mining & Metallurgy >Matte - tap-hole clay - refractory brick interaction in a PGM smelter
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Matte - tap-hole clay - refractory brick interaction in a PGM smelter

机译：哑光 - 脚孔粘土 - PGM冶炼厂的耐火砖相互作用

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摘要

Penetration of matte into tap-hole bricks causes detrimental refractory wear, which can lead to furnace breakouts. The ability of the tap-hole clay to form a protective layer on the brick, thereby limiting matte penetration was investigated by examining the interaction between platinum group metal (PGM) matte, tap-hole clay, and alumina-chrome refractory bricks on a laboratory scale.Samples containing clay and brick as well as samples containing clay, brick, and matte were heated to different temperatures to establish the clay-brick interaction and the extent of matte penetration. The greatest degree of physical contact between the brick and clay was achieved at curing temperatures of 600°C. Poor clay-brick contact was observed in the sample that was heated to 900°C.Matte displaced the clay in the clay-brick-matte sample that was heated to 1350°C, with significant matte penetration into the brick. Less matte penetration was observed when the clay-brick-matte sample was heated to 1500°C. Less matte penetration was also observed in the clay-brick-matte sample in which the clay and brick were pre-baked at 800°C, and the sample then reacted with matte at 1350°C.
机译：哑光渗透到挖掘孔砖中会导致有害的耐火磨损，这可能导致炉膛突破。通过检查铂族金属（PGM）哑光，Tap-Hole粘土和实验室氧化铝 - 铬耐火砖之间的相互作用，研究了Tap-Hox粘土在砖上形成保护层的能力。含有粘土和砖的Scalespple以及含粘土，砖和遮罩的样品被加热到不同的温度，以建立粘土砖相互作用和哑光渗透程度。在600℃的固化温度下实现砖和粘土之间最大程度的物理接触。在加热至900℃的样品中观察到可怜的粘土砖接触。在将粘土砖 - 哑光样品中加热到1350°C的粘土中，具有显着的哑光渗透到砖中。当将粘土砖 - 磨砂样品加热至1500℃时，观察到较少的遮罩渗透。在粘土 - 砖 - 哑光样品中还观察到粘土和砖在800℃下预烘烤的粘土和砖，然后在1350℃下反应粘土和砖的粘土和砖。

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