The dryer is based on a three-shell drum design, where the material is dried by a stream of hot flue gases from the combustion plant. The drum rotates on steel rollers and is fed with material from a screw conveyor coming from a wet-material tank.
| TYPE | WIDTH | LENGHT | POWER INPUT | CAPACITY | REQUIRED HEAT OUTPUT |
|---|---|---|---|---|---|
| BS 1000 | 2 550 mm | 6 000 mm | 5,5 kW | 1 t/h | 1 000 kW |
| BS 2000 | 2 550 mm | 8 000 mm | 5,5 kW | 2 t/h | 2 000 kW |
| BS 3000 | 2 550 mm | 8 000 mm | 5,5 kW | 3 t/h | 3 000 kW |
| BS 4000 | 2 550 mm | 10 000 mm | 7,5 kW | 4 t/h | 4 000 kW |