The vacuum dryer heats the dried material under vacuum conditions. It uses a vacuum pump to pump air and dehumidify, leaving the studio in a vacuum state. The drying rate of the material is greatly accelerated, and it also saves energy.
Vacuum drying equipment divided static dryer and dynamic dryer. YZG cylindrical and FZG square vacuum dryers are static type vacuum dryers, and SZG double cone rotary vacuum dryers are dynamic dryers. When the material is dried in the static drier, the material is in a static state, the form will not be damaged, and it can be disinfected before drying; when the material dries inside the dynamic drier, the material is constantly turned and the drying is more uniform and sufficient.
According to the characteristics of the materials, Jiangsu Changzhou Pinzheng Drying Equipment Co., Ltd. develops and produces two major categories of dynamic static vacuum dryers, namely double cone rotary vacuum dryers, vacuum rake dryers and square circular vacuum dryers.
The common feature of the static and dynamic vacuum dryer is that the material is under vacuum, the boiling point is reduced, and the drying rate is large. It can be applied to heat-sensitive materials that require low-temperature drying. Indirect heating, materials will not be contaminated, and meet the GMP requirements; organic solvents can be recovered.
The difference is: when the dynamic vacuum dryer dries, the material keeps turning and the drying is even; when the static vacuum drier is drying, the material is in a static state and the shape body will not be damaged.
Each machine has its own characteristics, double-cone rotary vacuum dryer set mixing and drying in one, due to the tank rotation so that the material is constantly up and down, dry uniform and full of good quality, do not accumulate material, row, high thermal efficiency, using oil heating can be automatically controlled Constant temperature, dry biochemical products.
The vacuum rake type dryer adopts the simultaneous heating method of sandwich and internal stirring. It has a large heat transfer surface and high thermal efficiency. It can be used to stir materials to form a continuous circulation state in the cylinder to further improve the uniformity of the material heating. Thus, slurry, paste, and paste materials can be dried smoothly.
Static vacuum dryer can use vacuum pump to extract and dehumidify, speed up the drying rate, less heat loss of evaporator, suitable for low-temperature drying of heat-sensitive materials that are easy to decompose, polymerize and degenerate under high temperature, and is widely used in food, pharmaceutical, Chemical industry.
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