Description

Vacuum paddle dryer is a batch drier with conducts heat.The cylindrical shell is equipped with a heating jacket, and a rake agitator is attached to the horizontal axis, shaft speed of 7–8r/min shaft can be positive and negative rotation, every 5–8min to reverse once, The raw material from the upper part of the shell is added into the drum, With the constant rotation of the rake tooth stirring, the raw material is heated indirectly,the water is vaporized, pumped away by the vacuum pump.Generally one batch will be about more than ten hours .

The Vacuum Paddle Dryer dryer body was in cylinder shape. The configuration include material inlet, vacuum entrance and steam inlet and outlet ( the upper part was steam inlet , the lower part was steam outlet when heating source was steam), in the lower part there are same size of the nozzle. The body is divided into three layers, the middle jacket heating medium can be steam, insulation layer for the ultra-fine glass wool, good insulation. The material was turning over and over through the rake teeth and being heated by the inner wall , the middle jacket transfer the heat and increase the drying speed in the vacuum status, avoid the raw material surface of being changed yellow phenomenon., reduce working time and save cost. Especially suitable for the heat-sensitive materials.

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