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The following is the general principle of drying machine selection, it is difficult to say which or which is the most important, the ideal selection of electric blast drying oven must be focused on according to their own conditions, sometimes the compromise is necessary. 

Applicability ——- The drying device must first be suitable for specific materials, and meet the basic use requirements of drying materials, including good handling of materials (feed, transport, fluidization, dispersion, heat transfer, discharge, etc.), and can meet the basic requirements of handling capacity, water removal, product quality, etc. 

High DRYING RATE — ONLY IN terms OF drying rate, CONVECTION drying MATERIALS ARE HIGHLY DISPERSED IN HOT air, CRITICAL MOISTURE content is low, drying speed is fast, and the same IS CONVECTION drying, drying methods are DIFFERENT critical MOISTURE content is different, so the drying rate is also different. 

Low energy consumption ——- Different drying methods have different energy consumption indexes. The thermal efficiency of general conduction drying can reach 100% theoretically, but only about 70% for flow drying. 

Save investment —– to complete the same function of the drying device, sometimes its cost is different, should choose the lower choice. 

Low operating cost — equipment depreciation, energy consumption, labor costs, maintenance costs, spare parts costs… Electric heating air drying oven and other operating costs should be as low as possible. 

The drying device with simple structure, sufficient supply of spare parts, high reliability and long life is preferred. 

Meet the requirements of environmental protection, good working conditions, high safety. 

It is best to make drying experiment of materials before selection, and have a deep understanding of drying devices (advantages and disadvantages) that have been used for similar materials, which is often helpful for appropriate selection. 

Instead of relying solely on past experience, focus on absorbing new technologies and listening to experts.