kilburn engineering ltd.
fluid bed dryer fuel gas conditioning system tea dryers
 
 
 
 
 
 
 
   
DRYERS & COOLERS
 
PADDLE DRYERS & COOLERS
 

KILBURN manufactures Paddle Dryers & Coolers in technical collaboration with M/S NARA MACHINERY, COMPANY, JAPAN, the global major in this field.

The Kilburn - Nara Paddle Dryer is a conduction type dryer that processes granular and powdery material. It dries or cools the material by bringing them into direct contact with revolving cuniform shaped hollow paddles without using gas as a heating medium.
 
Paddle Dryer
 
PRINCIPLE OF OPERATION:


Heat transfer from heating medium to the material is by conduction. Efficient drying of powdery / crystalline / granular material is achieved by bringing it in direct contact with revolving cuniform hollow paddles without using air gas heating medium.

The trough is uniformly heated by passing heating medium through the jacket. This ensures that the entire material in the dryer is in full contact with the total heat transfer area during its passage through the dryer.

heat transfer-paddle dryer

 
Salient Features
Operational Advantages
 
A Conduction mode of heat transfer results in very high thermal efficiency A Reduced civil and erection expenses
A Compact equipment - large heat transfer area  packed in a small volume. A High thermal efficiency
A Low air requirement reduces loss of heat. A Self cleaning Paddles.
A Reduction in size and cost of
downstream   equipments like cyclones, bag filters, scrubbers, fans, heaters and ducts.
A Minimal Dusting.
A Uniform and controlled drying. A Rugged Construction.
A Suitable for all types of granules and free flowing materials. A Low speed operation.
A Can also handle sticky materials. A Heavy duty bearings.
A Low product attrition. A Minimal maintenance.
A
Suitable for steam, water or oil as heating medium. A Easy accessibility.
A Integral dryer-cum-cooler combination.    
 
OVERALL DIMENSIONS
 
Paddle Dryer
 
 
W TYPE (2 SHAFTS)
 
DIMENSION (mm)
NDP1.6W
NDP 3W
NDP 4W
NDP 5W
NDP 6W
NDP 7W
NDP 8W
NDP 9W
A
160
300
400
500
600
700
800
900
B
301
581
745
921
1095
1279
1459
1631
C
1700
2500
2700
2900
3050
3550
4250
4800
D
1950
2820
3050
3325
3500
4100
4810
5500
E
550
850
1100
1300
1450
1650
1850
2150
F
3050
3970
4250
4780
4950
5800
6550
7300
FLOOR SPACE
-Width
1500
1700
1900
2100
2400
2600
2800
3000
REQUIRED
-Length
3300
3600
4000
4450
4700
6800
8000
9200
PADDLE TRANSMISSION AREA (m2)
1.7
5.9
9.1
12.7
16.7
24.4
33.7
44.5
JACKET TRANSMISSION AREA (m2)
0.8
2.6
3.6
4.9
6.1
8.3
11.6
14.8
EFFECTIVE CAPACITY(m3)
0.065
0.345
0.64
1.12
1.6
2.64
3.76
5.3
NO. OF REVOLUTIONS (RPM)
15~21
15~21
14~18
13~17
12~ 15
11~13
10~12
10
MOTOR RATING (KW)
0.75~1.5
2.2~5.5
5.5~7.5
7.5~11
11~18.5
15~22
30~37
45
 
DIMENSION (mm)
NDP 3 T
NDP 4 T
NDP 5 T
NDP 6 T
NDP 7 T
NDP 8 T
NDP 9 T
A
300
400
500
600
700
800
900
B
1085
1377
1688
2013
2372
2713
3035
C
2500
2700
2900
3050
3550
4250
4800
D
2820
3050
3325
3500
4100
4810
5500
E
850
1100
1300
1450
1650
1850
2150
F
3950
4250
4780
4950
5800
6550
7300
FLOOR SPACE
-Width
3400
3800
4200
4800
5200
5600
6000
REQUIRED
-Length
3600
4000
4450
4700
6800
8000
9200
PADDLE TRANSMISSION AREA (m2)
11.8
18.2
25.4
33.4
48.8
67.4
89
JACKET TRANSMISSION AREA (m2)
3.9
5.3
7.3
9.1
12.5
17.5
21
EFFECTIVE CAPACITY(m3)
0.634
1.19
2.06
2.93
4.9
6.97
10
NO. OF REVOLUTIONS (RPM)
5~20
5~20
5~20
5~20
5~20
5~20
5~20
MOTOR RATING (KW)

2.2~5.5
X 2

5.5~7.5
X 2
7.5~11
X 2
11~18.5
X 2
15~22
X 2
30~37
X 2
45
X 2
 
TYPICAL FLOWSHEETS
 
Dryer heat medium
   

 

 

 
heater02
   

 

 
LEGEND
1.
   Feed
2.
 Product
3.
   Heat Medium-in
4.
   Heat Medium-Out
5.
   Air In
6.
   Air Out
7.
   Cooling Medium in
8.
   Cooling Medium Out
 
PRODUCTS HANDLED
 
Kilburn Nara Paddle Dryers can be virtually used for all types of ‘powders’. This is primarily due to the absence of heating air, which ensures dust free operation enabling the efficient drying of dusty powders.
 
Depending upon the industry or the requirements of the product, there can be variations introduced in the paddle dryer with respect to the number of thermal shafts, the speed of the paddles, the temperature of the heating material (for abrasive materials) and the nature of the wear parts.
 
A Aluminium Fluoride A Limonite A

Polyethyele

A Ammonium Nitrate A Manganese Dioxide A Rubber chemicals
A Aluminium Hydroxide A Municipal/IndustrialSludge A Soda Ash
A Citric Acid A PTA A Sodiam Cyanide
A Gypsum A Polyester (PET) chips A Paddy
 
 
 
 

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