A dust capture and reclamation system for a rubber conveyor belt having a housing for mounting over a portion of the rubber conveyor belt, a plurality of idler roller assemblies, a plurality of return roller assemblies, a trough for mounting under the rubber conveyor belt to catch granular material falling from the rubber conveyor belt, the trough having an inside surface, a mechanism for moving granular material along the inside surface to a collection point, a first access panel through one side for accessing an idler roller, and a second access panel through one of the pair of opposed side walls for accessing a return roller assembly.