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MOBILE DRYERS GTR
GTR mobile batch dryers are designed for drying all types of cereals, maize, oilseeds and legumes, as well as consumption, feed and sowing material.
The operation of the dryer consists in the continuous movement of grain in the dryer column until the desired (indirectly set) humidity is obtained, regardless of the initial humidity of the dried material.
The circulation dryer by RIELA Polska, thanks to the use of thermostats and measuring the temperature of the furnace, drying air and grain in the column, is subject to constant control and prevents exceeding the set values.
The drying process consists of four phases:
- backfilling the column
- drying the material
- cooling the material
- column emptying
Riela Polska type GTR dryers are equipped with a switchable heat exchanger. Thanks to it, it is possible to dry the grain with clean air, preheated in the exchanger, and not with exhaust gases.
The furnance in our dryers is longer than in other manufacturers’ dryers. Thanks to this, we minimize the risk of burning the grain with a flame.
The dryer head works in two modes: loading and recirculation and unloading. In the loading and recirculation mode, the grain is brought up through the central screw, then it falls into the drying chamber and circulates in this way. After switching to the unloading mode, the grain is also brought to the top by the central screw, and then it is unloaded outside the dryer thanks to the discharge chute.
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Characteristics of the GTR dryer:
Made of galvanized steel
Perforated stainless steel tank
Air heater with fuel oil burner (optional with gas burner)
Furnace with a switchable heat exchanger
Optional air grain cleaner
Possibility of powering from the tractor’s PTO through the generator
Technical data:
| Dryer parameters | GTR 750 | GTR 1500 | GTR 2500 |
| Column capacity for grain | 7,1 m3 | 15 m3 | 24 m3 |
| Electric power installed | 11,8 kW | 22 kW | 32 kW |
| Fan (air capacity) | 12 000 m3/h | 25 000m3/h | 33 000 m3/h |
| Dryer width | 2235 mm | 2820 mm | 3200 mm |
| Transport / working height | 3205 mm / 4335 mm | 3900 mm / 5600 mm | 5250 mm / 6925 mm |
| Transport / working length | 4950 mm / 7205mm | 7400 mm / 9600 mm | 8800 mm / 11000 mm |
| Air heater with switchable heat exchanger | |||
| Without heat exchanger | 290 kW | 580 kW | 1000 kW |
| With heat exchanger | – | 300 kW | 500 kW |
| Average consumption of fuel oil for drying 1 ton of grain with reduce 1% of humidity | 1,2 liters | 1,2 liters | 1,2 liters |
| Efficiency of drying wheat with moisture reduction from 19% to 15% | 2,1 t/h (50 t/day) | 4,5 / 3,0* t/h (108/72* t/day) | 6,2/5,0* t/h (150/120* t/day) |
| Efficiency of drying rapeseed with moisture reduction from 13% to 8% | 1,4 t/h (34 t/day) | 3,0 / 2,5 t/h (72/60* t/day) | 4,2 / 3,3* t/h (100/80* t/day) |
| Efficiency of drying maize with moisture reduction from 30% to 15% | 1,0 t/h (24 t/day) | 2,0 / 1,2* t/h (48/29* t/day) | 3,3 / 1,8* t/h (78/43* t/day) |
* with heat exchanger on.
Maximum temperature of drying air for: wheat 90ºC, rape 75ºC, maize 130ºC.
The above data refer to the following parameters: outside air temperature 15ºC, relative air humidity 75%, mature, clean grain, continuous operation of the dryer.
The manufacturer reserves the right to make technical changes.