The dried powder product was formed in the spray dryer by pressure nozzle which atomized liquid into small droplets and heat and mass transferring was performed between droplets and hot medium in the drying chamber 压力喷雾干燥装置是利用压力雾化装置将原料液分散成细小雾滴,并与热介质在干燥塔内充分进行热量、质量交换,最终达到干燥产品的目的。