vibratory dryer
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Vibratory Fluid Bed Dryer are used for mass heat transfer and have relative smaller residence time. SAKA’s Vibratory Fluid Bed Dryers are known for its versatile applicability with a ability to process wet as well as semi wet products. Vibratory motion in this type FBD’s moves the product through Dryer. Usually a push-pull system is used to balance the pressure to slightly negative in the free board of the fluid bed. Depending upon the product and available heat source, direct or indirect heating may be applied. Then the exhaust air is cleaned by bag filter, cyclone with or without wet scrubber. SAKA’s Vibratory Fluid Bed Dryer are known for maintaining equilibrium of thermal efficiency and moisture content of the material thus ensuring effective, efficient and controlled drying.
VIBRATORY FLUID BED DRYER SYSTEM
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Vibratory fluidized bed dryer (vfbd) is a type of fluidized bed where the mechanical vibrations enhance the performance of fluidization process. Its vibration properties proves to be more efficient in dealing with fine particles which appears to be very difficult to achieve with normal fluidized bed many of the industrial material needed physical movement during. This has been overcome by means of vibrators directly mounted on the body of the fluid bed dryer. The vibration level of is dependent on the behavior and nature of the material to be dried, the amplitude can be adjusted by adjusting the unbalanced weight of the vibrators. The drier is mounted on the four pillars with springs in between pillar and the fluid bed drier to avoid vibration transfer from fluid bed drier to structure. This gives a much lower product residence time per unit bed area than non-vibrating beds which can have powder layers up to 1500 mm. It can be operated as a separate drying or cooling unit. Some of the advantages of vibratory fluidized beds include – continuous drying throughout the unit handle products with a wide range of particle size and shape. Minimal fluidization velocity and pressure drop due to the vibration energy being transferred along the bed. Increase efficiency of gas to solid contact. Mechanical vibration enhances homogeneity and stability of fluidized bed layers easier to control the residence time distribution of processed material by manipulating the intensity of amplitude and frequency of variation range of applications – vibratory fluidized beds are mainly used in several industries such as pharmaceutical agricultural catalyst plastics minerals food processes typical applications for vibratory fluidized beds are drying products in the form of grains and crystals, cooling the dried products, agglomeration and granulation of coarse particles, and sterilizing.
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vibratory dryer
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vibratory dryer, Batch Dryer, Centrifugal Dryer, spin flash dryers