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Rake vacuum dryer used in industrial field

The rake vacuum dryer is based on the technology of the traditional rake vacuum dryer in China. It is designed to strengthen and improve the slurry, paste, granular, powder, fiber and other materials. The transmission part adopts the stable and durable cylindrical gear reducer, and the main shaft adopts the thickened solid shaft, which fully guarantees the vacuum rake dryer in various harsh working rings Stable operation of the environment. The heating medium can be steam, heat transfer oil and hot water. The material is divided into stainless steel and Q235 plate.


The rake type vacuum dryer is especially suitable for drying heat sensitive materials, materials that are easy to oxidize at high temperature, or materials that are easy to harden during drying, and materials that must be recovered from steam discharged during drying. After drying, the material is in powder form, so it is more suitable for the finished product in powder form. After drying, it can be directly packaged without crushing. Pharmaceutical, food, chemical industry and other industries for the following materials drying: suitable for paste, paste, powder materials. Heat sensitive materials requiring low temperature drying. It is easy to oxidize, explosive, strong irritant and highly toxic materials. Materials requiring recovery of organic solvents. The dried materials are slurry, paste, granular, powder or fiber, and are widely used in the production process of solid sodium alcohol (potassium).


The reason why the reading value of the instrument panel of the vacuum dryer is different from that of the glass rod thermometer in the vacuum chamber is: generally, the electric heating vacuum dryer selects the heating type wall first, and then heats the steel parts according to the radiation source facing the wall; in this way, the temperature sensor of the temperature controller can be installed on the external wall, and the controller can accept the heat convection, transmission and radiation sources together.

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On the other hand, the glass rod thermometer in the vacuum chamber can only accept thermal radiation, because the blackness of the glass rod is unlikely to exceed, so most of the thermal radiation is of refraction angle. Therefore, the temperature of the reflecting surface of the glass rod thermometer must be less than the temperature reading value of the instrument and equipment.


Generally, when the reading value of instrument and equipment is different from that of glass rod thermometer at 30 ℃, 150 ℃ is normal. The reliability of the temperature sensor can be improved if the temperature sensor can be installed in the middle of the instrument. If you do not want to see the difference from a specific perspective, please apply the temperature controller's unique display information effect to deal with it.


The spiral belt vacuum dryer can be used in many fields, especially for the process treatment under closed and controllable environment, such as pharmaceutical chemical industry and additives, unstable extract crystals under air or high temperature, and various pharmaceutical biological processes, Chengxin company's multi-purpose conical ribbon vacuum mixer / dryer is the ideal choice to meet your production needs. It can obtain high-efficiency heat transfer characteristics. The material filling rate is 30% - 100%, and 100% of the heating area can be used. It is a new type of drying equipment with energy saving, high efficiency, environmental protection and cleaning


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