ZK disc granulator is divided into unpowered scraper disc granulator (PQW) and powered scraper disc granulator (PQ). The two kinds of disc granulator are all have the feature of simple structure, convenient operation, the moisture of pellet can be easily control and high hardness. The disc granulator adopts massive structure, the disc bottom reinforced by multiple radiation steel plate. The motor and reducer adopt flexible belt driving, so the life time is increased by the smooth start and low impact.
Application:
The disc granulator is the main equipment for pelletizing by powder material and widely used in cement industry, steel industry and fertilizer industry.
Working principle:
The uniform particle core was made by raw material powder, then sent into the disc, after that the core go along a parabola by centrifugal force, friction force and gravity in the disc, the moisture will go out of the core surface in the rolling process, because of the cohesiveness and plasticity, the core will become bigger with raw powder in the process. The pellet has well intensity because of the material cohesiveness and the natural volatilization of surface liquid film. When the disc inclination, edge height, rotate speed and moisture all fixed, the pellets with different diameter will rolling down from disc edge by different angle cause of different gravity, then discharging from the disc edge by rotating inclined disc body.
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Unpowered scraper disc granulator technical parameters
Type |
Disc Granulator |
Power（kW） |
Dia (mm) |
Height（mm） |
Slope （°） |
Speed（r/min） |
PQ10W |
1000 |
250 |
35-55 |
25 |
4.5 |
PQ16W |
1600 |
300 |
35-55 |
19 |
4.5 |
PQ22W |
2200 |
500 |
35-55 |
14 |
15 |
PQ25W |
2500 |
500 |
35-55 |
14.25 |
15 |
PQ28W |
2800 |
640 |
35-55 |
11.81 |
18.5 |
PQ32W |
3200 |
640 |
40-50 |
9.06 |
22 |
PQ36W |
3600 |
700 |
40-50 |
8 |
22 |
PQ42W |
4200 |
800 |
40-50 |
7 |
30 |
Powered scraper disc granulator technical parameters
Type |
Disc Granulator |
Main Power（kW） |
Weight（t） |
Dia (mm) |
Height（mm） |
Slope （°） |
Speed（r/min） |
PQ10 |
1000 |
250 |
35-55 |
25 |
4.5 |
1.8 |
PQ16 |
1600 |
300 |
35-55 |
19 |
4.5 |
2.7 |
PQ22 |
2200 |
500 |
35-55 |
14 |
15 |
3.9 |
PQ25 |
2500 |
500 |
35-55 |
14.25 |
15 |
5.2 |
PQ28 |
2800 |
640 |
35-55 |
11.81 |
18.5 |
5.7 |
PQ32 |
3200 |
640 |
40-50 |
9.06 |
22 |
7.3 |
PQ36 |
3600 |
700 |
40-50 |
8 |
22 |
8.6 |
PQ42 |
4200 |
800 |
40-50 |
7 |
30 |
11.2 |
The disc granulator is composed by disc, driving device, rack, pedestal, scraper etc. The structure feature is:
1. The disc bottom reinforced by multiple radiation steel plate with high strength and stiffness
2. The driving gear adopts high frequency quenching process with long life time.
3. The reducer and motor adopt flexible belt driving with smooth start and low impact.
4. The driving system installed bridging device which can reduce the impact between gear and reducer, and increase the equipment running stability, at the same time the main accessories working life also increased.
5. The auxiliary power consumption was reduced by the unique unpowered scraper device.
