The feed liquid of the special centrifugal spray dryer for protease passes through the high-speed centrifugal atomizer on the top of the tower body, (rotating) sprays into very fine mist-like liquid beads, and can be dried into finished products in a very short time in contact with hot air in parallel. The finished product is continuously output from the bottom of the drying tower and the cyclone separator, and the exhaust gas is evacuated by the induced draft fan.
In the special centrifugal spray dryer for protease, the hot air temperature is a very important parameter, which refers to the temperature at which the hot air used for drying enters the tower. Generally, the higher the better, because the economy will be improved in this way. However, the temperature of the hot air cannot be infinitely high, because if it is too high, it will bring adverse effects, such as making the quality of the dried finished product deteriorate. Therefore, if you want to increase its temperature, you should first ensure that the product quality can be guaranteed, and then increase it appropriately.
The hot air temperature of the protease-specific centrifugal spray dryer mainly affects the bulk density of the dried product and the evaporation intensity of the drying chamber. If the food is dried, the temperature generally cannot exceed 177°C to avoid hollow particles in the product. However, if it is a non-heat-sensitive material, high-temperature hot air should be used as much as possible so as to increase the evaporation intensity.
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