In the feed industry, it is widely used in the pelleting lines to cool the pellets. Thanks to their simple and rational design and robust construction, our modular rotary coolers are characterised by a high degree of reliability and efficiency. In small installation spaces, they ensure optimal product handling in a short time.
STRENGTHS:
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TECHNICAL FEATURES
The new rotary cooler, which has been completely redesigned in its construction, is developed vertically in a modular manner.
In standard sizes, cylindrical modules are available in diameters of 2.2, 2.5 and 2.8 metres and range from a minimum number of 3 up to 8.
Each module consists of:
The drive consists of a geared motor, safety coupling and gearbox directly keyed to the machine shaft.
The rotation speed, variable via an inverter, allows the treatment time to be adjusted.
At the base of the machine is the inlet module for cooling air.
OPERATION
The product is fed from above and by means of the tilting sectors of the various turntables is gently tipped from plane to plane until the cooler is unloaded.
At the same time, countercurrent air is sucked in from the base module at room temperature.
The progressive cooling of the product with a low temperature difference between the air and the product itself allows a reduction in relative humidity without condensation.
Thanks to the uniformity of the layer and the tilting that the product undergoes as it passes from one stage to the next, the cooling process inside the Fragola rotary cooler is particularly effective.
| ROTARY COOLER | A | Stages | B | C | D | E | F | G | Weight (**) [kg] | Bed dept [mm] |
MAX CAPACITY [ton/h] (*) Treatment time: 7 min |
MAX CAPACITY [ton/h] (*) Treatment time: 10 min |
MAX CAPACITY [ton/h] (*) Treatment time: 13 min |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| RRF 22/3 | 2200 | 3 | 450 | 450 | 1800 | 200 | 215 | 2215 | 2775 | 180 | 10,5 | 7,4 | 5,7 |
| RRF 22/5 | 2200 | 5 | 450 | 450 | 2700 | 200 | 215 | 3115 | 3705 | 180 | 14,4 | 12,3 | 9,4 |
| RRF 22/8 | 2200 | 8 | 450 | 450 | 4050 | 200 | 215 | 4465 | 5100 | 180 | 28,1 | 19,6 | 15,1 |
| RRF 25/3 | 2500 | 3 | 500 | 500 | 2000 | 200 | 215 | 2415 | 3160 | 200 | 15,1 | 10,6 | 8,1 |
| RRF 25/5 | 2500 | 5 | 500 | 500 | 3000 | 200 | 215 | 3415 | 4220 | 200 | 25,2 | 17,6 | 13,6 |
| RRF 25/8 | 2500 | 8 | 500 | 500 | 4500 | 200 | 215 | 4915 | 5810 | 200 | 40,3 | 28,2 | 21,7 |
| RRF 28/3 | 2800 | 3 | 550 | 550 | 2200 | 200 | 215 | 2615 | 3560 | 200 | 18,9 | 13,3 | 12,2 |
| RRF 28/5 | 2800 | 5 | 550 | 550 | 3300 | 200 | 215 | 3715 | 4760 | 200 | 31,6 | 22,1 | 17,0 |
| RRF 28/8 | 2800 | 8 | 550 | 550 | 4950 | 200 | 215 | 5365 | 6560 | 200 | 50,5 | 35,4 | 27,2 |
(*) Referred to a product with a specific weight of 0,6 kg/dm3
(**) The support stand is not included
Fragola Spa reserves the right to modify product design and specification without due notice.
The documentation of the Rotary Cooler machine is not available.
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