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Indirect heat transfer effect of vacuum dryer and application of equipment

Feb 21, 2022

Disc dryer is an efficient conduction type continuous drying equipment. Its unique structure and working principle determine that it has the characteristics of high thermal efficiency, low energy consumption, small footprint, simple configuration, convenient operation and control, and good operating environment. It is widely used in chemical industry, medicine, pesticide, food, feed, agricultural Drying operations in industries such as by-product processing.

It is well received in the practice of various industries. And can provide a variety of auxiliary equipment to meet the needs of users for drying various materials.

The indirect heat transfer effect of the disc dryer burns (or heats) the gas to directly evaporate the dry material and transfer the heat and moisture. The machine uses natural gas, incineration of oil, heat generated from biomass waste, or other fuels. The gas after incineration can be used to heat the material directly or directly.

Direct conduction walls, tubes, jackets or discs are heated by steam, gas, heat transfer oil or hot air. These heating elements touch the heat material to them by conduction. A tray dryer may be useful when contact with combustible gases or hot air is not advisable due to commodity or technical requirements.

Infrared radiation The thermal radiation generated by the machine's electric or gas-fired infrared heaters. For dull surfaces, flat products or page data, a clear view can be provided. Before going directly through the dryer for drying these materials, the steam dryer uses balanced or superheated steam in the usual way. Typically, steam passes through a tube (such as a steam tube dryer or through a set or wall channel (such as a translational or rotating drum dryer) to heat transfer oil/liquid heat transfer oil or liquid heating, which is used to transfer heat directly through the wall during the process. , jacket, compact disc or other appearance.


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  • Changzhou Xinggan Drying Equipment Co., Ltd
  • Tel: +86-519-88900188
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  • Office Add: Jiaoxi Industrial Park, Zhenglu Town, Tianning District, Changzhou, Jiangsu, China