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Spray Fluidized Bed Dryer


  
Working Principle:
It has an additional atomizing device based on an ordinary fluidized bed structure. Hot air is supplied to the dryer from the bottom of wind box with an air distributor. Raw material is atomized by a spray nozzle and spread on the fluidized material to be coated and pelleted by different systems. The material after coating and pelleting can be dried and cooled in a fluidized bed.

Characteristics:
The surface modification of powder consists of coating and agglomerating, these two technologies to get desired granular products, and drying, pelleting and cooling are completed in one equipment.
This technology can change physical properties and improve flowability, dispersibility and solubility of granules. In chemical industry, we can use spray fluidized bed to cover fertilizer and the pesticide surfaces and produce slowly released products. In food and fine chemical industry, we use spray fluidized bed dryer to agglomerate granules and enhance dissolution rate.

Material to be dried:
A large-scale continuous spray fluidized bed dryer is suitable for coating of big and small granules, production of big urea granules, coating fertilizers, spherical anhydrous calcium chloride and food fast dissolution.
for example: sodium carbonate, urea, dextrose, potassium sorbate, paraffin, stearic acid, calcium chloride, etc.

Technical Parameter:
Specification
Bed Area (m2)
Water Evapora- tion Capability (kgH2O/h)
Spray Quantity (kg/h)
Installed Power (kw)
Input Air (m3/h)
Inlet Air Temperature (℃)
Size
(L×W×H )
GLWP0.5
0.5
30-90
37-112
7.5
1800
100-350
1500×1000×3200
GLWP0.75
0.75
45-130
56-162
11
2700
100-350
1600×1100×3300
GLWP1.0
1.0
60-190
75-237
20
3600
100-350
2000×1060×3500
GLWP1.5
1.5
90-260
112-325
25
5400
100-350
2900×1150×3550
GLWP2.0
2.0
120-350
150-437
30
7200
100-350
3600×1200×3700
GLWP2.5
2.5
150-420
187-525
37
9000
100-350
3900×1450×3800
GLWP3.0
3.0
180-500
225-625
45
10800
100-350
4200×1800×4200
GLWP4.0
4.0
240-660
300-825
60
14400
100-350
5000×1800×4600
GLWP5.0
5.0
300-820
375-1025
80
18000
100-350
5600×1800×5400
GLWP6.0
6.0
360-980
450-1225
100
21600
100-350
6000×2000×5500
GLWP8.0
8.0
480-1300
600-1625
120
28800
100-350
7000×2200×5500
GLWP10.0
10.0
600-1600
750-2000
150
36000
100-350
8000×2500×5500
GLWP15.0
15.0
900-2400
1125-3000
200
54000
100-350
10000×4000×6000
GLWP20.0
20.0
1200-3200
1500-4000
260
72000
100-350
10000×1850×6000





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