Importance

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Abstract

A conditioner for filtering and drying recyclable abrasive media, such as steel grit, garnet, or other abrasive media used for abrasive blasting operations for steel structures, such as bridges, tanks, and marine vessels that are being repainted. The conditioner may include a pre-classifier (e.g., a trommel) to separate or filter the abrasive media from larger debris that may be vacuumed with the abrasive media during resurfacing operations. A dryer may use radiation elements (e.g., infrared (IR) lamps) positioned above a conveyor (e.g., vibration tray) that moves the abrasive media beneath the radiation elements. Vacuum airflow may bypass the dryer except for a portion of the vacuum airflow used to remove moisture from the dryer while drying the abrasive media. The conditioner may have a drying portion or the entirety under negative pressures.

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First Claim