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What is the advantages of triple pass sand dryer machine ?

Time:2019年07月15日      Hits:

When choosing the suitable drying equipment, we should select suitable drying equipment according to the characteristics of the material being dried. When choosing equipment for drying sand, many customers tend to use a triple pass sand dryer machine

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Thus, what are the advantages of triple pass sand dryer machine over a triditional single-cylinder dryer ?

1. Triple Pass sand dryer is composed of three concentric cylinders.  In the drying process of sand, triple pass circulating drying is carried out through two different drying modes of downstream and countercurrent, which is suitable for all kinds of granular materials and meets the basic requirements of material drying, including feeding, conveying and dispersing. A series of material processing processes, such as heat transfer and discharge, can meet the basic requirements of sand handling capacity, dehydration capacity and quality of finished products after drying.

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2. When using triple pass sand dryer machine to dry sand, the sand is dried at different temperatures from three cylinders, i.e. inner cylinder, middle cylinder and outer cylinder, so that the wet sand is highly dispersed in hot air, with low critical moisture content and fast drying speed. And the same is convective drying, drying methods are different, the critical moisture content is also different, so the drying rate is different. In a short, the triple pass sand dryer is more efficient in drying sand.

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3. Because the triple pass sand dryer machine has better thermal insulation than the traditional single pass rotary drum dryer, the thermal energy resources can be better utilized when drying sand, which further reduces the loss of heat, and has the characteristics of high utilization rate of heat sources and low energy consumption.


In addition, compared with the single drum sand drying equipment, the triple pass sand dryer machine occupies a smaller area, uses more quickly and conveniently, saves greatly the investment of human, material and financial resources, and is the best choice for low investment and high efficiency.

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