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Test Bench of Paddle Dryer

Working Principle:
As shown in the chart, in the jacket shell body there are two parallel shafts which have interleaved paddles. Each shaft has several hollow fan-shaped paddles which interleave with a certain spacing. There are two kinds of paddles: feed shear plane and return shear plane, the shaft rotates at low speed. A heating medium enters the hollow rotary shafts and paddles through a universal revolving joint. After heat transfer and drying, it is discharged through the revolving joint. The material is continuously fed into the equipment, next it is agitated and mixed near the paddles. At the same time, the material is gradually dried by the heat conduction of paddle and jacket. The height of overflow weir can be changed to adjust residence time. In addition, steam produced in the drying process is discharged through the escape hole with trace amount of air.

Characteristic:
1.Compact in structure.
2. Large heat transfer coefficient.
3. Self-cleaning of heat transfer area.
4. Reliable quality.
5. Less dust emission.
6.It is suited for a lot of materials. Product is dried homogeneously.
7. It can achieve a process in combination of dehydration and cooling.

Parameters:
  

Serial No.

Parameters

Unit

Working data

In body coupling or shaft paddle

In body

1

Heating medium

 

steam

 

2

Design pressure

MPa

0.49

Atmospheric

3

Feeding temperature

150

20

4

Discharging temperature

150

90

5

Heat transfer area

5.4

 

6

capacity

/h

100

 

7

speed

r/min

10~32

 

8

Net weight

~2000

 

9

Weight of material

80

 

10

Motor power

kw

2.2

 

 
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