Abstract: Ultrasonic wash boxes, processing lines, and related methods are provided herein. A wash box can include a housing having a first side wall, a second side wall, a first end wall and a second end wall. The housing can have an opening formed between the side wall and the end walls. The wash box can include a first ultrasonic field generator secured to a first side wall of the housing and a second ultrasonic field generator secured to the second side wall of the housing. The wash box can also include a fabric guide carriage insertable within the opening of the housing between the first and second side walls.

Abstract: A tray dryer is provided that has tray stack with trays that rotate about an axis. A material leveler is stationary with respect to the rotating trays and has a leveling surface that engages the product. The material leveler has a plurality of prongs that engage the product and that in combination with the leveling surface form a series of rows in the product on the upper surface of one of the trays. The material leveler does not function to hold the product for transfer to a subsequent tray of the tray stack.

Abstract: A tray dryer is provided that has tray stack with trays that rotate about an axis. A material leveler is stationary with respect to the rotating trays and has a leveling surface that engages the product. The material leveler has a plurality of prongs that engage the product and that in combination with the leveling surface form a series of rows in the product on the upper surface of one of the trays. The material leveler does not function to hold the product for transfer to a subsequent tray of the tray stack.