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ZPG vacuum rake dryer

ZPG Vacuum Rake Drying Machine is a novel horizontal intermittent vacuum drying equipment. Wet materials are evaporated through conduction, and a scraper stirrer is used to continuously remove the materials on the hot surface, forming a circulating flow in the container. After the water evaporates, it is pumped out by a vacuum pump. This machine adopts a large-area interlayer heating method, with a large heat transfer surface and high thermal efficiency. It is equipped with agitation to form a continuous circulation state of the material in the cylinder, further improving the quality of the material
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Working principle
This machine is a novel horizontal intermittent vacuum drying equipment. Wet materials are evaporated through conduction, and a scraper stirrer is equipped to continuously remove the materials on the hot surface and move them inside the container to form a circulating flow. After the water evaporates, it is pumped out by a vacuum pump.

Performance characteristics

This machine adopts a large-area interlayer heating method, with a large heat transfer surface and high thermal efficiency.
The machine is equipped with agitation to create a continuous circulation of materials inside the cylinder, further improving the uniformity of material heating.
The machine is equipped with a mixing system, which enables smooth drying of slurry, paste, and paste like materials.
Adapt to materials
Drying of the following materials is carried out in industries such as pharmaceuticals, food, and chemicals:
Suitable for paste like, paste like, and powdery materials;
◎ Thermally sensitive materials that require low-temperature drying;
◎ Materials that are prone to oxidation, explosion, strong irritation, and high toxicity;
Require the recycling of materials containing organic solvents.


Technical specifications

Note: The evaporation rate of water is related to the characteristics of the material and the temperature of the hot air inlet and outlet. When the outlet temperature is 90oC, the water evaporation curve is shown in the above figure (for selection reference). As the product is continuously updated, relevant parameters may change without prior notice.


Structural schematic diagram




End opening rake dryer


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