COMERC SP. Z O.O.

The new generation of German Graf Equipment GmbH Gorilla pellet mills is especially designed for applications with very hard pelleting conditions in terms of raw material quality in limited working space and while keeping all production norms. The production of wood pellets is one of these applications. In fact, Gorilla is the first pellet mill designed for the biomass industry, including wood biomass, with direct drive system, without gearbox or V-belts. The new pellet mill performs a high efficiency thanks to its powerful torque motor, saving around 20% of energy, compared with the conventional drive systems. An unquestionable advantage of all Gorilla pellet mill is their modular design and a large die speed range (from 4 to 8 m/s) without loss of torque, which allows to meet even the highest technological standards of pellet production. Gorilla pellet mills assure superior finished pellet quality with a high PDI (Pellet Durability Index).

The mechanical counterflow cooler for pellet is designed to cool hot pellets by means of a counter-flow stream of cool air which enters the cooler chamber from the bottom through the inlet at the bottom of the device and leaves it through the outlet located at the top of the cooler. An corresponding layer of material is maintained in the cooling chamber which is fed through an inlet sluice located in the upper part of the cooling chamber. When the maximum filling level in the cooler is reached, the sensor activates the discharge grate, which cyclically discharges the cooled product into the discharge hopper until the rated minimum level is reached. The minimum and maximum fill levels in the cooler chamber is regulated by manually adjusting the position of the fill sensors. In the lower part of the cooler, there is a discharge mechanism which ensures even removal of material from the cooler chamber.

The CMB series hammer mills manufactured by our company are intended to crush and uniform fractions of dry bulk materials with moisture contents of up to 15% and destined for further technological processes. There is option to grind raw materials with higher moisture content, but this parameter has a very significant impact on the device performance. Depending on needs and purpose, CMB series hammer mills cay operate with capacity from 2 t/h to 10 t/h. The raw material is crushed by the impact of the hammers on the raw material and the raw material against the walls of the crushing chamber. The regularity and size of the resulting fraction is determined by the diameter of the holes in the screen used. We recommend collecting the crushed material from under the mill with pneumatic transport, as this enables the use of a pneumatic separator to sift out stones and other impurities that may cause explosions. The use of pneumatic transport will also increase the performance of the mill.

Bucket conveyors (elevators) are designed for vertical transport of bulk materials such as pellets, sawdust, wood dust, wood chips etc. They are manufactured in various heights with capacities from 22 m3/h to 238 m3/h. Bucket elevators consist of easy to mount modules, made of steel with Magnelis® coating. Belt and buckets: Standard bucket conveyor belts can be used at ambient temperature from -30°C to +50°C. Belts are made of antistatic materials in accordance with ISO284 and DIN22104. Buckets have a very efficient and universal shape that can be used for transporting various materials.