Rake vacuum dryers have been successfully used in fine chemicals, pesticides, organic chemicals and other industries. In terms of drying time, solvent recovery and thermal efficiency, the use of the new vacuum rake dryer is significantly better than the conventional vacuum rake dryer.
(1) The heat transfer effect is good. Under the same operating conditions, the new vacuum rake dryer can shorten the drying residence time by nearly 1/2 compared with conventional vacuum drying equipment;
(2) The solvent recovery rate is as high as 85% or more, especially for drying operations where the material contains precious solvents, which can greatly reduce the production cost of the product;
(3) This type of dryer can be applied to vacuum drying operations with a large output, and the heat transfer effect is much higher than that of a small vacuum rake dryer;
(4) Due to the special sealing structure, there is no hidden danger of contamination of the dried materials, and it is especially suitable for the drying of special materials such as medicines and spices;
(5) High thermal efficiency, up to 80%, saving energy.
It can be seen that the rake vacuum dryer shortens the residence time of the material in the dryer, has good airtightness and high thermal efficiency, which can meet the needs of large-scale dryers.
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