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  • PGL-B Series Spray Drying Granulator
  • PGL-B Series Spray Drying Granulator
  • PGL-B Series Spray Drying Granulator

PGL-B Series Spray Drying Granulator

Keywords:
Category: Granulator
Product DescriptionSpray Drying granulator machine makes use of spray and fluid bed technology to realize mixing, granulation and drying in one container. The fluidized powder is wetted by the spaying the extract until agglomeration…
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PGL-B Series Spray Drying Granulator

       


 Product Description

Spray Drying granulator machine  makes use of spray and fluid bed technology to realize mixing, granulation and drying in one container. The fluidized powder is wetted by the spaying the extract until agglomeration occurs. As soon as the  size of the granule  is reached . spraying is stopped and the wet granules are dried and cooled .

      




       


The powder granule in vessel (fluid bed) appears in the state of fluidization. It is preheated and mixed with clean and heated air. At the same time the solution of adhesive is sprayed into the container. It makes the particles become granulating that contains adhesive. Being of unceasing dry through hot air, the moisture in the granulating is evaporated. The process is carried out continuously. Finally it forms ideal, uniform and porous granules.
Spray agglomeration moves very small, powder particles in the fluidized bed where they are sprayed with a binder solution or suspension. Liquid bridges are created that form agglomerates from the particles. Spraying continues until the desired size of the agglomerates is reached. 
 After the residual moisture in the capillaries and on the surface has evaporated, hollow spaces are created in the granulate while the new structure is solidified throughout by the hardened binder. The lack of kinetic energy in the fluidized bed results in very porous structures with plenty of internal capillaries. The usual size range of the agglomerate is from 100 micrometers to 3 millimeters, while the starting material can be micro-fine.



             


               


Features
1.Integrate spraying, drying fluid granulating in one body to realize granulating from liquid in one step.

2.Using the process of spraying, it is particular suitable for micro auxiliary raw materials and heat sensitive raw materials. Its efficiency is 1-2 times than the one  of fluidized granulator.
3.The final moisture of some products can reach 0.1%. It is equipped with powder returning device. The rate of granule forming is more than 85% with 0.2-2mm of diameter.
4.The improved inner roller multi-flow atomizer can treat the liquid extract with 1.3g/cm3 of gravity. 
5. Currently , the PGL-150B , it can process 150kg/batch of material .


     




Schematic of  installation 


Technical parameters 


Spec
Item

PGL-3B

PGL-5B

PGL-10B

PGL-20B

PGL-30B

PGL-80B

PGL-120B

liquid extract

min

kg/h

2

4

5

10

20

40

55

 

max

kg/h

4

6

15

30

40

80

120

fluidization capacity

min

kg/batch

2

6

10

30

60

100

150

 

max

kg/batch

6

15

30

80

160

250

450

specific gravity of the liquid

g/cm3

≤1.30

volume of material vessel

L

26

50

220

420

620

980

1600

diameter if vessel

mm

400

550

770

1000

1200

1400

1600

power of suction fan

kw

4.0

5.5

7.5

15

22

30

45

power of auxiliary fan

kw

0.35

0.75

0.75

1.20

2.20

2.20

4

steam

consumption

kg/h

40

70

99

210

300

366

465

 

pressure

Mpa

0.1-0.4

power of electric heater

kw

9

15

21

25.5

51.5

60

75

compressed air

consumption

m3/min

0.9

0.9

0.9

0.9

1.1

1.3

1.8

 

pressure

Mpa

0.1-0.4

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operating temperature

°C

automatically regulated from indoor temperature to 130°C

water content of product

%

≤0.5% (depends on the material)

rate of product collection

%

≥99%

noise level of machine

dB

≤75

weight

kg

500

800

1200

1500

2000

2500

3000

dim. of main machine

Φ

mm

400

550

770

1000

1200

1400

1600

 

H1

mm

940

1050

1070

1180

1620

1620

1690

 

H2

mm

2100

2400

2680

3150

3630

4120

4740

 

H3

mm

2450

2750

3020

3700

4100

4770

5150

 

B

mm

740

890

1110

1420

1600

1820

2100

Weight

kg

500

800

1200

1500

2000

2500

3000



Sample on model choice : Suppose that are 120kg liquid extract (include 30% solid )and 60kg seed II in one vessel ,from I and II,we can get theoretical product amount M=mI+mII=120kgx30%+60kg=96kg ,working time T=120kg/30kg/h=4h ,from the parameter table we  can find that the fluidization amount is inside the standard loading range .if we require two batches in one duty time ,PGL-30B is ok.


Application 
Pharmaceutical industry: tablet, capsule granule, granule of Chinese medicine with on or low sugar
Foodstuff; cocoa, coffee, milk powder, juice of granule, flavoring and so on.

Other industries: pesticides, feed, chemical fertilizer, pigment, dyestuff and so on. 


   



Options
Product charging by lifting machine.

Product charging by vacuum transfer system

Printer

WIP system


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