Abstract: The present invention proposes a relief module comprising a tubular body (10) for the passage of bulk material, at least a lateral opening (12) in the tubular body (10), a window (20) to cover the respective lateral opening (12), the window (20) operating in a closed position preventing the bulk material from exiting through the lateral opening (12) or in an open position allowing the material to exit through the lateral opening (12), the window (20) having at least one portion made of filtering material allowing the air to pass through and retain solid particles, when the window (20) is in the closed position. The present invention also proposes a bulk material discharge device which receives the bulk material from a feeding system and discharges the bulk material to a destination, the discharge device comprising a relief module configured according to the invention.

Abstract: This invention refers to an enclosed conveyor (10) of bulk material (100) comprising an enclosure (20) and provided within said enclosure (20) with a conveyor belt (30) arranged over a set of rollers (40). More particularly, the invention relates to an enclosure (20) capable of improving the manufacturing process of the enclosed conveyor (10). The enclosed conveyor (10) comprises an enclosure (20) formed by a first side wall (21) and a second side wall (22) arranged over a bottom plate (23) and provided with a cover (24) disposed over said side walls (21, 22). The enclosed conveyor (10) comprises at least one set of rollers (40) comprising a first inclined roller (41) mounted on the first side wall (21) and a second inclined roller (42) mounted on the second side wall (22), and a conveyor belt (30) arranged over the set of rollers (40).

Abstract: A grain-cleaning machine for obtaining grains has a desired size which is greater than a lower value and less than or equal to an upper value. The grain-cleaning machine comprises an arrangement of sieves. The arrangement of sieves comprises at least two main sieve levels positioned overlapping each other. Each main sieve level comprises a respective fine sieve followed by a respective grain sieve. At least one lower sieve level comprises a respective lower grain sieve. The at least one lower sieve level being positioned below the main sieve levels. Each fine sieve has a first mesh provided with openings having an opening size which is equal to said lower value, and each grain sieve and each lower grain sieve have a second mesh provided with openings having an opening size which is equal to said upper value.