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 10^3.kg/m³ 

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

Used Examples of Typical Materials by KODI Granulator

Powder:

Fertilizer:

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