Inner cleaning system for endless belt conveyor

A conveyor for pourable conveying material, the conveyor comprising:

• an endless belt comprising an upper run and a lower run and configured to convey the conveying material in a conveying direction, wherein an intermediate space is defined between the upper run and the lower run;
• and
• a belt return device that facilitates transitioning of the endless belt between the lower run and the upper run, wherein:
• the endless belt defines at least one passage opening which allows the exit of at least a portion of an intermediate space material which is formed by a portion of the conveying material which has reached the intermediate space;
• at least a portion of the endless belt comprises a conveyor track and a passage track;
• the passage track defines the at least one passage opening;
• the conveyor track and the passage track are arranged side by side in the conveying direction;
• the belt return device comprises belt return guides and a peripheral wall;
• the peripheral wall extends in the axial direction of the belt return device between the belt return guides;
• and
• the peripheral wall cooperates with the endless belt to facilitate transporting of the intermediate space material around the belt return device.

A conveyor for pourable conveying material, the conveyor comprising:

• an endless belt comprising an upper run and a lower run and configured to convey the conveying material in a conveying direction, wherein an intermediate space is defined between the upper run and the lower run, and at least a portion of the endless belt comprises a conveyor track and a passage track;
• a belt return device that facilitates transitioning of the endless belt between the lower run and the upper run;
• and
• a cover covering the passage track and disposed above the upper run, wherein:
• the endless belt defines at least one passage opening which allows the exit of at least a portion of an intermediate space material which is formed by a portion of the conveying material which has reached the intermediate space;
• the passage track defines the at least one passage opening;
• and
• the conveyor track and the passage track are arranged side by side in the conveying direction.