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Triple Pass Rotary Drum Dryer By Sunco Machinery

Time:2014年12月29日      Hits:

The design of Sunco Machinery Triple Pass Rotary Dryer is new technology developed by our technical team according to the past actual drying experience, and this new technology has been used more than 4 years successfully. For example, The diameter 1.8m, length 18m Chicken Manure Dryer for Thailand CP Group is also Triple Pass Rotary Dryer which is with output capacity 12 t/h. Right now in other China factories, you would can not see such new design of rotary dryer machine where they mainly produce the traditional single drum, double drum and triple drum rotary dryer machine with old technology.
Triple Pass Rotary Drum Dryer , Rotary Drum Dryer, Rotary Dryer

Compared with the traditional rotary dryer machine, the main advantages of our Triple Pass rotary Dryer is as follows:
(1)As in the 7 chambers, all the chamber has material when working, and the weight of each part of the rotary drum dryer is even / balance. Our triple pass rotary dryer will need less twisting force to make the drum rotating.  Thus it not only will save about 1/3 motor power for the drum rotating, but also the gear, ring, carrier roller and motor will have a longer lifetime.

The traditional rotary dryer(single drum, double drum and triple drum) usually need to be installed in a certain slope degree such as 4 degree, and the material mainly are in the bottom of the drum, and the weight of different part of the drum is different, it will need more twisting force to makes the drum rotating. Thus it will need more motor power, and the wear of the Gear, Ring,Carrier Roller, and motor will be more than our New Design Triple Pass rotary Dryer. 


What is more, our rotary drum dryer has 4 sets carrier roller (one set carrier roller has 2 pieces carrier roller, and thus totally it is 8 pieces carrier roller.). It has the function of shocking proof, and the dryer drum moves more smoothly. 

(2)As in each chamber of the drum, there are welded guide plate (Lifting Plate) which makes the material to contact the hot air sufficiently , and the contact area between material and hot air will be more. 
In the traditional Single rotary Drum Dryer, the material is being mixed with the hot air one time, but for our new design, the the material will be mixed with the hot air 7 times. 

What is more, in each chamber of our dryer, the material layer thickness is about 1/7 of the material layer thickness in the traditional single drum rotary dryer, and the material is easier to be dried more sufficiently. In one word, our new design triple pass rotary dryer can have a higher heat exchange efficiency, and the fuel consumption will be less than the traditional design of rotary drum dryer.


(3)The material comes to the high temperature zone of the drum two times, and thus we can use the hot air more sufficiently.


(4) As the material passes through the drum three times, thus Triple Pass Rotary Drum Dryer can have enough drying time to dry the material to be less than needed moisture content.

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