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首页> 外文期刊>Journal of the Technical Association of Refractories >Improvement of Resistance to Structural Spalling of Magnesia-Spinel Bricks in Burning Zone for Cement Rotary Kiln
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Improvement of Resistance to Structural Spalling of Magnesia-Spinel Bricks in Burning Zone for Cement Rotary Kiln

机译：水泥旋转窑燃烧区镁尖晶石砖结构倒塌抗性的改善

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Cement rotary kilns (hereinafter referred to as, "cement kilns") play a significant role in a recycling-oriented society by safely treating and recycling large amounts of industrial waste. On the other hand, due to the increase and diversification of industrial waste in recent years, the infiltration depth of foreign components (sulfur, alkali, chlorine, etc.) in the cement kiln burning zone has increased, and the peeling damage is getting bigger in the transition zone and quality switching1'. In addition, the falling-off of the coating is accompanied by temperature change, and thermal embrittlement has occurred. Therefore, it is important to control the infiltration of foreign components and to improve the peeling resistance by strengthening the brick structure in order to improve the durability of the burning zone brick. In order to improve the peeling resistance, we investigate the effect of densification by increasing the bulk density and the effect of the strengthening of the structure with MgO raw materials with different sintering properties and report the actual furnace test status of the material developed based on the results.
机译：水泥回转窑（以下简称“水泥窑”）通过安全地处理和回收大量工业废物，在回收的社会中发挥着重要作用。另一方面，由于近年来工业废物的增加和多样化，水泥窑燃烧区中外来组分（硫，碱，氯等）的渗透深度增加，剥离损坏变大在过渡区和质量交换机1'中。此外，涂层的下降伴随着温度变化，并且发生了热脆化。因此，重要的是控制外来部件的渗透并通过加强砖结构来改善剥离阻力，以提高燃烧区砖的耐久性。为了提高剥离抗性，我们通过增加堆积密度和使用不同烧结性能的MgO原料强度的致密密度和结构的效果来研究致密化的影响，并报告基于的材料的实际炉子测试状态结果。

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