速溶茶粉喷雾干燥生产的几个问题

Several issues about spray-drying of instant tea powder

茶粉的特点是容重较小,暴露在空气中极易吸潮,粉的颗粒较小,尤其排风携带的粉尘颗粒更小,回收比较困难。而且,由于生产工艺的不同,茶粉的颜色变化较大,就此提出速溶茶粉喷雾干燥生产中应注意的几个问题。

Tea powder is likely to moisturize because of its low volume weight. In addition, it＇s hard to be recovered due to the small particles and the even smaller ones carried with ventilation. And the colour of tea powder changes greatly with its processing technology. Several issues needing to be focused on in the spray-drying of instant tea powder are put forward.