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Changzhou Kodi Machinery Co.,Ltd.

Marketing office: 7F, Tongjiang Road 398-1#, Xinbei District, Changzhou 213022 China

Factory address:Zhenglu Industrial Park, Changzhou, Jiangsu, China

Tel:   +86 (519) 8696 5716
Fax:  +86 (519) 8918 5716
Hotline:  +86 15995073588

E-mail:  info@kodichina.com  
Web:    www.kodichina.com


 

Home >> Products >> Granulation Machine
DG Series Double Roller Granulator

       

Description of Double Roller Granulator

DG series double roller granulator is a new type of granulating machine which developed and manufactured by KODI Company in accordance with the needs of customers and on basis of absorbing word-level advanced powder granulation technology.

Without any intermediates or additives, this machine can produce uniform and densified particle products directly from raw powdery material. The design of this roller granulator is reasonable, and easy to operate, it’s an idea choice for powder granulation.

Working Principle of Double Roller Granulator

Powdery material is fed into the hopper quantificational and uniformly through the feeder to make sure a certain level inside of the hopper. After being pre-compressed by the longitudinal cone spiral in the hopper the material will be sent into arc chutes of two rollers. Half-oblate arc chutes are uniform distributed on the surface of two rollers. Under the driving of a couple of gears, the two rollers rotate inversely with constant speed. As the volume decreases through the region of maximum pressure, the material is formed into a solid compact or sheet and fall into the grinding & classifying system. Products that meet requirements will be collected from the discharging port and the rest will return back to the hopper through recycle system. 

Roller Granulator Application

1.fertilizer:  Potassium Sulfate(SOP), potassium chloride, Russia red potassium, potassium nitrate, ammonium chloride, Ammonium Phosphate Monobasic, Diammonium phosphate(DAP), NPK compound fertilizer, import Russia Potassium Sulfate(SOP), ground phosphorite, NH4SO4, concentrated superphosphate, humic acid etc.

2.powder material: zinc oxide, lead oxide, calcium chloride, calcium phosphate, High test bleaching powder, cryolite, chemical inhibitor, silica, Isophthalodinitrile etc.

3.chemical raw material, fine chemical material

4.FGD gypsum

Note: It takes FGD gypsum for example, vary in accordance with the material to be granulated.

Double Roller Granulator Features:

1. With any intermediates or additives, dry powder directly can be made into particles.

2. The intensity of product can be adjusted through regulating the pressure of rollers..

3. Cycling operation, continuously production.

4. High output capacity. The maximum output of one machine can more than 2000kg/h (bulk density 1.5 x 103.kg/m

5. Size of product is adjustable.

Advantages of Roller Granulator 

1.Adopting increased shafts output dedicated reduce and drum gear shaft coupling effectively protects the rolls and the main bearing from damage, increase the driving efficiency and further improving the production of products. One roller’s bearing seat is fixed and the other roller’s bearing seat is sliding.

2.In the surface of the roller, many holes are arrayed. According to the different compression rate of the materials, choose the trough of one roller aiming at the trough of another roller, or peak to trough. Two rollers are arranged in horizon.

3.With the supporting pressure of hydraulic cylinder, they are close to each other and the hydraulic system can has the multiple and automatic protection function. The optimized hydraulic system makes the motion flexibility of dynamic rollers stronger and be able to reject the iron lumps mixed in unexpectedly and protect the equipment to run safely.

4.Roller pulling with roller removal device, it’s more easily and quickly for you to change the rollers, and save your costs of changing.

 

Double Roller Granulator Technical Parameters

Model

   Item

DG-240

DG-360

DG-450

DG-650

DG-800

 Roller dia. (mm)

Φ240

Φ360

Φ450

Φ650

Φ800

Effective width (mm)

80-120

160-200

200-250

280-350

350-400

Roller speed (r/min)

12-15

15-25

15-25

15-25

18-25

Max. pressure (kw)

320

800

1300

2100

2900

 Max. thickness of rolling sheet (mm)

10

12

20

25

30

Output capacity (kg/h)

700

3000

5000

10000

18000

Power of main machine (kw)

7.5,11

30,37

55,75

90,110

132,185

Power of feeding (kw)

3

7.5

11

15

15

Over dimension (m)

2.0*2.0*1.5

2.3*2.2*2.4

2.8*2.6*2.8

3.0*2.8*3.0

3.5*3.2*3.2

 Total weight (ton)

3

5

19

15

24

Granulating capacity(t/h)

1

4

7

12

20

Used Examples of Typical Materials by KODI Granulator

Powder:

Material

Specification

Size Requirement

Capacity(kg/h)

Anti-oxidant

DG-360

0.3-2.0

300-400

Zinc oxide

DG-360

1.5-2.5

350-500

Threonie

DG-360

1.5-3.0

350-500

Feed yeast

DG-360

0.5-05

550-700

Rubber chemicals

DG-360

1.5-5.0

500-750

Glass powder

DG-360

2.5-5.0

500-700

Snow broth

DG-360

DG-450

2.0-7.0

800-1000

2000-3000

Calcium citrate

DG-360

1.5-3.0

400-600

Bentonite

DG-360

2.0-6.0

700-800

Meta-Phthalodinitrile

DG-360

1.5-3.5

400-600

Sodium cyanide

DG-360

pincushion shape

1200-1500

Steelmaking additives

DG-360

Olive shape

1200-1500

Metal powder

DG-360

Olive shape

1200-1500

Alumina powder

DG-360

Olive shape

1200-1500

Desulfated gypsum

DG-450

Ball shape

8000-10000

Ardealite

DG-450

Ball shape

8000-10000

Sodium chloride

DG-450

2.0-7.0

2000-3000

Bromochlorohydantoin

DG-360

1.5-6.0

500-700

Fertilizer:

Material

Specification

Size Requirement

Capacity(kg/h)

Potassium chloride

DG-360

DG-450

2.0-7.0

800-1000

2000-3000

Potassium sulface

DG-360

DG-450

2.0-7.0

800-1200

2000-3500

NPK compound fertilizer

DG-360

DG-450

2.0-7.0

800-1000

2000-3500

Ammonium chloride

DG-360

DG-450

2.0-7.0

800-1000

2000-3000

Packing and Delivery of KODI Double Roller Granulator 

 

Successful Experience Overseas

Associated Facilities of Granulator Fertilizer Production Line

Configuration of a completely dry granulating process   

1. Automatic feeding system 

2. Auto-measuring batching and mixing system  

3. Extruding and pelletizing system  

4. Complete pellet smashing system  

5. Screening and materials returning system  

6. Auto-packaging and control system  

7. Dust collector system 

 


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