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Incineration of (refinery) salt-contg. sludges - using a fluidised bed of basalt chips, to lower operating gas pressures and obviate abrasion of the bed
Incineration of (refinery) salt-contg. sludges - using a fluidised bed of basalt chips, to lower operating gas pressures and obviate abrasion of the bed
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机译:(精炼厂)含盐焚化。污泥-使用玄武岩碎屑流化床降低工作气体压力并避免床层磨损
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摘要
Moist wash material, esp. sedimentation sludges, are incinerated in a fluidised bed of contg. basalt of 0.5-4 mm particle size. The bulk density of the bed is reduced from the 1.9 g/cm3 of the corundum sused in known processes to 1.3-1.5 g/ cm3 allowing lower gas pressures to be used and lower loss of bed material by abrasion. It is also 20 times cheaper than corrundum. The temp. gradient in the bed is lowered and improved incineration observed due to catalytic action. Sludges contg. 3 g NaCl/kg. e.g. 5-50 g/Kg. may be incinerated as well as those emanating from refineries and petrochemical plant.
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机译:湿洗材料,特别是。沉淀污泥在连续的流化床中焚化。粒度为0.5-4 mm的玄武岩。床的堆积密度从已知方法中使用的1.9g / cm 3的刚玉降低至1.3-1.5g / cm 3,从而允许使用较低的气压并通过磨耗降低床材料的损失。它也比Corrundum便宜20倍。温度由于催化作用,降低了床中的梯度并改善了焚烧效果。污泥续> 3 g NaCl / kg。例如5-50克/千克。可能被焚化,也可能来自炼油厂和石化厂。
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