How To Work Properly With Fruit Drying Machinery (Automobiles & Vehicles - Auto Insurance)

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Item ID 1242460 in Category: Automobiles & Vehicles - Auto Insurance

How To Work Properly With Fruit Drying Machinery


The fruit dryer machine is a mechanical device that uses heat to reduce the moisture of the material and is used to dry the object. The dryer vaporizes the moisture (usually referred to as moisture or other volatile liquid components) in the material by heating to obtain a solid material having a specified moisture content. The purpose of drying is for the purpose of material use or further processing. For example, the drying of the wood before the production of the wood mold and the wood can prevent the deformation of the product, and the drying of the ceramic material before the calcination can prevent the product from cracking. In addition, the dried material is also convenient for transportation and storage, such as drying the harvested food to a certain moisture content to prevent mildew. Since natural drying is far from meeting the needs of production development, various mechanized dryers are becoming more and more widely used.

The drying process requires a large amount of heat energy. In order to save energy, some materials with high moisture content, suspensions or solutions containing solid substances are generally first mechanically dehydrated or heated to evaporate, and then dried in a dryer to obtain a dry solid.

In the drying process, heat and mass (moisture) transfer must be completed at the same time to ensure that the moisture partial pressure (concentration) of the surface of the material is higher than the moisture partial pressure in the external space to ensure that the heat source temperature is higher than the material temperature.

Heat is transferred from the high temperature heat source to the wet material in various ways, so that the surface of the material is vaporized and escaped to the external space, so that the difference in moisture content occurs on the surface and inside of the material. The internal moisture partition diffuses and vaporizes to the surface, so that the moisture content of the material is continuously reduced, and the overall drying of the material is gradually completed.

The rate of drying of the material depends on the rate of surface vaporization and the rate of diffusion of the internal moisture. Usually, the drying rate in the early stage of drying is controlled by the surface vaporization rate; then, as long as the external conditions of drying are constant, the drying rate and surface temperature of the material remain stable. This stage is called the constant-speed drying stage; when the moisture content of the material is reduced to a certain To the extent that the rate of diffusion of the internal moisture to the surface decreases and is less than the surface vaporization rate, the drying rate is mainly determined by the internal diffusion rate and decreases with the decrease of the moisture content. This stage is called the slow-down drying stage.

information about fruit dryer machine : https://www.gf-machine.com/


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Target State: Bihar
Target City : Shangyu
Last Update : 09 March 2019
Number of Views: 71
Item  Owner  : gfjacob
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2019-09-17 (0.085 sec)