| 摘要 |
A ventilation system for ventilating particulate materials disposed in a storage bin comprising: an elongated hollow body fr being disposed in proximity of a center of the storage bin and oriented substantially vertal; lie elongated hollow hody having a pluralityof apertures arranged suih that airflow into the elongated hollow b-cody from the particulate material in the storage bin is enabled while transmission of the particulate materials into the elongated hollow body is substantially prevented; a venting arrangement for venting the airflow from inside the elongated hollow body such that the airflow can be discharged to an exterior of the storage bin; and, a support mechanism adapted for supporting the elongated hollow body, during use of the ventilation system, in a position of the elongated hollow body such that a top end of the elongated hollow body is spaced below the top opening of the storage bin and a bottom end of the elongated hollow body is spaced from a bottom of the storage bin; the support mechanism comprising a top holding mechanism for mounting g to a top structure of the storage bin; the support mechanism comprising a bottom support mechanism comprising a post member connected to the bottom end of the elongated hollow body and extending therefrom downwardly to a bottom structure of the storage bin to support the bottom end spaced from the bottom of the storage bin; wherein the post member is extendible and retractable. |
