When you select the type of dryer, according to the following principles:
First, the applicability depends on the device: dryer first must be able to apply to specific materials, and to meet the basic requirements that drying the materials, including processing materials (feeding, conveying, fluidization well, dispersed, heat transfer, discharge, etc.), and to meet the basic requirements of the handling capacity, dehydration, and product quality.
Second, the drying rate is high: only on drying rate, materials are highly dispersed in the hot air convection drying, low moisture content, dry fast, and the drying method is different, and thus drying rate is also different.
Third, energy-saving! Low energy consumption: different drying methods have different indicators of energy consumption, generally dry heat conduction efficiency theoretically is up to 100%, the convection drying only about 70%.
Fourth, low cost! Saving investment: drying device finishing the same functions has the different price; sometimes its cost disparities should choose the low price.
The fifth, low running costs: old equipment, energy consumption, labor costs, maintenance costs, spare parts, etc. running costs as low as possible.
Sixth, give priority to choose a simple structure, an adequate supply of spare parts, high reliability, long life and the drying device.
Seventh, look to the device that is comply with the requirements of environmental protection, safe working conditions.
Eighth, before selection, it is best to make the material drying experiments and in-depth understanding of the use of similar materials dryer (strengths and weaknesses), it is helpful in the proper selection.
Ninth, do not rely entirely on the experience of the past, pay attention to absorb new technology, usually listen to the opinions of experts.
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