With the continuous development of the application technology of fluidized bed drying equipment, there are more and more types. According to their types, they are described as follows. Horizontal multi-chamber fluidized bed dryer Horizontal multi-chamber fluidized bed drying equipment overcomes the disadvantages of multiple layers of fluidized bed, such as complex structure and bed resistance. Wet material is continuously added by the feeder. The first room of the device.
Because the material is in a fluidized state, it is free to move from the previous chamber to the rear chamber. The dried material is discharged from the discharge port of the last drying chamber, and it can dry various difficult-to-dry granular materials and heat-sensitive materials, and gradually spread it to powdery materials.
Single Bed Fluidized Bed Dryer The fluid bed dryer is the simplest type and can be divided into two continuous and intermittent methods of operation. Due to the wide distribution of residence time in continuous operation, it is often used in products that are easier to dry or products that do not require strict drying specifications.
Intermittent operation can be used for the drying of materials with higher moisture content. For some materials with uneven granularity and certain stickiness, low bed operation with stirrer installed in the bed is mostly used.
Due to the uniform distribution of residence time, dryer dryers actually require shorter drying times than single-layer fluidized beds. The uniformity of the moisture content of the dried product can be improved and the drying quality of the product can be easily controlled.
However, due to the increase in the number of layers in the multi-layer fluidized bed dryer, it is also necessary to ensure a stable fluidized state between layers to increase the annual complexity of the equipment structure. For the removal of moisture-binding materials, it is appropriate to use a multi-layer fluidized bed. The multi-layer fluidized bed dryer is suitable for the drying of polyester chips and other powdery granular materials.
At the same time, China's fluidized bed drying equipment must be further strengthened and actively explore scientific construction, professional and technical talents, enterprise management talents, and docking needs. Next, build a new engine for the development of the fluidized bed drying equipment machinery industry in China.
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