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The Principle of Chinese Herbal Medicine Extract Spraying Dryer
Mar 21, 2018

In the process of operation, the traditional Chinese herbal medicine extract spraying dryer mainly disperses the raw material liquid into atomized droplets into droplets, and in operation, the hot air is directly contacted with the droplets to perform heat transfer and mass transfer heat exchange to obtain powders. A drying process for granular products.

The raw material liquid of the Chinese herbal medicine extract spraying dryer may be an emulsion, a suspension and a solution, and may also be a melt or a paste when used. The dried product of the Chinese medicine extract spray drier is used to a certain extent. On the basis of the need can be divided into granular, made into powder and hollow ball or pellet shape.

The classification of traditional Chinese herbal medicine extract spraying dryer can be divided into countercurrent, mixed flow, and parallel flow according to the direction of its airflow. The equipment can be divided into centrifugal, pressure, and airflow in accordance with the form of its atomizer. According to the production process, there are two kinds of open and closed loops.

The principle of Chinese herbal medicine extract spraying dryer

The air of the Chinese medicine extract spray dryer passes through the heating device and enters the hot air distributor at the top of the drying chamber. The hot air passing through the hot air distributor uniformly enters the drying chamber and rotates in a spiral manner. At the same time, the liquid is sent to the device in the drying chamber. At the top of the centrifugal atomizer, the material liquid is sprayed into tiny droplets of mist, so that the surface area of the material liquid and the hot air is greatly increased, moisture evaporates quickly, and the finished product is dried in a very short time.

The flow of the Chinese herbal extract spray dryer is relatively simple. During the operation, the air is directly sucked by the fan through the filter, so that it can be directly sent to the heater to form hot air, and the hot air distributor at the top of the drying tower is evenly distributed. The flow into the tower.

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