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Thermally Activated Chemical Technology Processes of Agglomeration of Phosphorites

机译：磷矿团聚的热活化化学工艺过程

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摘要

The chemical technology processes that are of practical importance in the chemical technology system for thermal treatment of raw materials such as drying, coke combustion, decarbonization of phosphorites, melting of batch particles, formation of agglomerated cake, and moisture vapor condensation in lower beds were studied. These processes are thermally activated and proceed during agglomeration in the phosphate raw material. The results of the experimental studies of the sintering kinetics of the phosphate raw materials were presented. A multifactor dependence was revealed in the agglomeration processes under study. Increased resistance to the movement of the heat carrier gas was observed in the melting and fit agglomerate zones, which led to a decrease in the rate of filtration of the heat carrier gas through the bed and worsened the conditions of the chemical technology processes.
机译：研究了在化学工艺系统中对原材料热处理具有重要意义的化学工艺过程，例如干燥，焦炭燃烧，亚磷酸酯的脱碳，批料颗粒的熔化，团块的形成以及下部床层中的水蒸气冷凝。这些过程被热活化并在磷酸盐原料的附聚过程中进行。给出了磷酸盐原料烧结动力学的实验研究结果。在研究的集聚过程中揭示了多因素依赖性。在熔化和密实的附聚物区域中观察到对载热气体运动的阻力增加，这导致载热气体通过床层的过滤速率降低，并恶化了化学工艺过程的条件。

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