Analysis on the Advantages of Microwave Drying Equipment in the Field of Drying of Traditional Chinese Medicine
- Clicks: 3385 Release time: 2014/5/8
Through years of hard work, the development and production level of microwave drying equipment in China has been greatly improved, the design is more and more reasonable, the quality is improved, the cost is gradually reduced, and the automation level and after-sales service are improved. Users who use microwave drying equipment have shown an accelerating trend in recent years.
Microwave drying equipment is a comprehensive high-tech equipment combining microwave energy application technology and vacuum drying technology. It has the characteristics of fast drying speed, high thermal efficiency, low drying temperature, high drying quality, low cost and stable operation of equipment. Therefore, the microwave dryer is favored by customers differently from the traditional drying method, and its heat conduction direction is the same as the water diffusion direction. Compared with the traditional drying method, it has the advantages of large drying rate, energy saving, high production efficiency, uniform drying, clean production, easy automatic control and improved product quality. At the same time, it also has the advantages of killing, sterilization and so on!
The medicinal material dryer can be said to be a good embodiment of the microwave technology dryer in the market application. It perfectly shows the characteristics of the microwave technology, and also makes people understand and clearly realize the broad development prospects of microwave technology.
The traditional medicinal material dryer is set with coal as fuel to generate clean hot air as a drying medium to absorb the moisture in the traditional Chinese medicine, drain the humid air that reaches a certain moisture, and reciprocate to achieve the water required by the traditional Chinese medicine. The characteristics are time-consuming, laborious, and cannot fully meet the requirements for drying the medicinal materials, and at the same time, the sterilization is poor, and the environment is polluted by coal. Therefore, the emergence of new process technologies is extremely necessary. The emergence of microwave technology, properly meet the requirements of drying and drying of medicinal materials, and also meet the current environmental protection popular theme.
The microwave medicinal material dryer retains the effective medicinal ingredients in the Chinese medicinal materials to a large extent. Microwave can also kill various molds and eggs in the medicine to prevent mold and insects from being stored. All of this is because microwave heating is to make the object to be heated itself a heating element, which is called the overall heating method, and does not require heat conduction, so that uniform heating can be achieved in a short time. This feature allows the material with poor heat conduction to be heated and dried in a short time, the energy utilization rate is improved, and the size of the heating furnace can be made smaller than that of the conventional heating furnace. At the same time, when the material is under the action of microwave electromagnetic field, the overall temperature of the material rises. At this time, the surface temperature is lowered due to evaporation of water on the surface of the material; thereby causing a temperature gradient of high internal and external low, and the direction of this gradient coincides with the direction of evaporation of water. Therefore, the efficiency is high and the effect is good!
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