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Jet Drum Dryer

Jet Drum Dryer is designed for some high-moisture and fragile materials, such as granular materials, and is widely applied to rubber powder, wood powder, feed particles, silica gel, fish food and carton powder particles.

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Product Description

Product Introduction

Jet Drum Dryer is designed for some high-moisture and fragile materials, such as granular materials, and is widely applied to rubber powder, wood powder, feed particles, silica gel, fish food and carton powder particles. For a ordinary rotary dryer, a central pipe is placed in it, and hundreds of branch pipes separated from the central pipe are sprayed into the material layer in the rotary cylinder. However, for a jet drum dryer, the air jet from the branch pipes makes the particles move strongly, which ensures the complete contact between the gas and the particles and provides good heat and mass transfer conditions. Therefore, compared with the traditional rotary dryer, the drying speed of Jet Drum Dryer is almost doubled, and the particle wear is greatly reduced, especially for the fragile particles.

Features

Jet Drum Dryer can reduce the rotating speed of the cylinder for the jet-flow rotary dryer works in the mode of air jet, and it is unnecessary to install an internal shoveling plate as the material lifter or device for particle throwing. Moreover, the branching pipes are evenly distributed in the direction of the cylinder, which can not only ensure the effective contact between the hot air and materials, but also strengthen the heat and mass transferring process, and the gas distribution is more uniform in the length of the dryer. The volumetric heat transfer coefficient is about 2 times that of the conventional rotary dryer. Therefore, for the same output, the length of the jet-flow rotary dryer is only half that of the conventional single-cylinder rotary dryer. This machine is applicable to various granulated materials and regrind such as chemical engineering, feed, mineral powder and rubber.

More to know:

Dryer type	Ordinary rotary dryer	Jet-flow rotary dryer
Air flow	Parallel to the material bed layer	Penetrating the material bed layer
Material holding volume	10%-20%	15%-25%
Drying time	Reference value	Reduced
Drying ratio	1 (Reference value)	2
Volumetric heat transfer coefficient	175-230Kw (m3.K)	350-1750Kw (m3.K)
Speed ratio of shell	1 (Reference value)	0.5
Volume ratio of shell (same production capacity)	1 (Reference value)	0.5
Production capacity ratio (same shell size)	1 (Reference value)	2
Abrasion	(Reference value)	Reduced
Dust removal	(Reference value)	Reduced
Bed layer area of shell	Stationary (dead zone)	Moveable