Heat impingement bake oven

摘要

An oven for baking food products includes a spiral conveyor having a wire mesh conveyor belt for transporting food products from a loading bin to a storage bin. The spiral conveyor is surrounded by a threaded cylindrical housing having apertures which communicate with the loading bin, heat source, plenum, and recirculation fan. Heated air is blown into the threaded housing such that a downward spiral or vortex of air is created which envelops the food products upon the spiral conveyor belt for efficient baking. The housing is partially removable for cleaning or maintenance of the conveyor. Heated air within the housing is drawn about the food products as it is suctioned into a recirculation tube for distribution to the storage bin and to the plenum for recirculation through the housing. In addition, the loading bin is mounted upon a vibration device such that food products are evenly distributed upon entry to the spiral conveyor.