Abstract Herein, we propose a novel dry-suspension granulation process and compare it with the conventional spray granulation process used in the ceramic industry. The proposed granulation process, which is based on dry grinding, uses airflow as the driving force and raw material particles combined with atomized water, bonded together within a humidifying chamber. Then, this mixture is reformed and separated inside a cyclone to prepare the pressed powders. The results showed the novel process can effectively prepare powders, with less energy and water required than that by the wet granulation process. Under the current working conditions, the receiving rate was 87%, the water content of the product was 5.8%, and 63% of the particles were bigger than 0.2 mm. Both the fluidity and compressibility were able to meet the basic requirements for pressed powders in industrial production. Therefore, this proposed process can be expected to be widely used in ceramic tile production in the future.

中文翻译：

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一种制备瓷砖压粉的新型干悬浮造粒工艺

摘要 在此，我们提出了一种新型干悬浮造粒工艺，并将其与陶瓷工业中使用的常规喷雾造粒工艺进行了比较。建议的造粒工艺基于干磨，使用气流作为驱动力，原料颗粒与雾化水结合，在加湿室内结合在一起。然后，该混合物在旋风分离器内重整和分离以制备压粉。结果表明，与湿法制粒工艺相比，新工艺可以有效地制备粉末，所需的能量和水更少。在目前的工况下，收率为87%，产品含水率为5.8%，63%的颗粒大于0.2mm。流动性和压缩性均能满足工业生产对压粉的基本要求。因此，该工艺有望在未来广泛应用于瓷砖生产中。