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Rotary Atomizer Spray Dryer

Rotary Atomizer Spray Dryer

Rotary Dryer Introduction Rotary dryer (drum dryer) is widely used in humidity of materials, vermicelli and other materials. the main rotary dryer body is slightly inclined (also horizontal), Wet materials added by end of rotary body, the barrel with hot air or by heating the wall surface to...

Description

Rotary Dryer Introduction

Rotary dryer (drum dryer) is widely used in humidity of materials, vermicelli and other materials. the main rotary dryer body is slightly inclined (also horizontal), Wet materials added by end of rotary body, the barrel with hot air or by heating the wall surface to effectively reach and dried. Rotary dryer is an apparatus and heated to high temperatures & delivered equipment, Widely working in chemical, metallurgy, building materials and other industries.

Atomizer

Atomizer is the most important accessory in spray drying machine, it is used for changing liquid status into spray status at a high speed rotation motions, usually can reach 18000~25000 rpm. 


Features

The principle of this spray atomizer is that the liquid product is thrown and atomized by centrifugal force from the edge of the plate rotating at a high speed (linear velocity of 90-160 m / s). The entire system is used in this way. The style is dry, that is, the hot air medium is open and the material flows at the same time. The spray dryer has the following features. Since the surface area of the droplet group is relatively large, the drying time is short. Small particles also have strong kinetic energy and good flow. This machine is also very flexible to operate. When the air temperature exceeds 150 ° C, the heat utilization rate is higher than other sprays. This dryer is not very demanding on the construction of the factory and is very convenient to install and use.


Dryer Principle

The dryer is made up of a large, rotating cylindrical tube, usually supported by concrete columns or steel beams. The dryer slopes slightly so that the discharge end is lower than the material feed end in order to convey the material through the dryer under gravity. Material to be dried enters the dryer, and as the dryer rotates, the material is lifted up by a series of internal fins lining the inner wall of the dryer. When the material gets high enough to roll back off the fins, Each unit under the action of hot air circulation and temperature setting, constantly replenished with fresh dry air in the system, meanwhile exhausting the wet air, finally low temperature and high humidity air discharged .


Rotary Dryer Application

Ore, HP foaming agents, blast furnace slag, ammonium sulfate, phosphate, coal, foaming agent, lees residue, calcium carbonate, graphite, dregs, etc.


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