< Topic >The ventilator of the grain cereals storage bag which raises the efficiency of dry job the suction system to installation and removal unrestricted is offered.SolutionsIn the ventilator of the grain cereals storage bag, as lap in the wall of flexible pipe 1 of the fixed length the top aperture, the many pore 2 of the size which the grain cereals cannot pass over specified length facilities is done, the bottom of the aforementioned flexible pipe petering out and forming the tapered section 3 which, is stopped in condition starting from the side slant face of this tapered section and betting lap on the middle of the wall surface of the flexible pipe and continuing the screw feather 4 of spiral condition it provides, in the median part of the grain cereals storage bag which encloses the grain cereals, it is almost deep perpendicularly when the top opening of the aforementioned flexible pipe is made to extend to upward embedding possibilityWith it does, through appropriate installation and removal feature, installation and removal it installs suction system 6 unrestrictedly in the top opening of this flexible pipe.< Choice figure >Drawing 1【課題】吸気装置を着脱自在にして乾燥作業の効率を高める穀類収納袋の換気装置を提供する。【解決手段】穀類収納袋の換気装置において、上端が開口した一定長のパイプ1の周壁に、所定の長さにわたり穀類が通過し得ない大きさの多数の細孔2を貫設するとともに、前記パイプの下端は先細り状に閉止したテーパー部3を形成し、このテーパー部の側斜面から開始しパイプの周壁面の途中にかけてらせん状のスクリュー羽根4を連続して設け、穀類を収納した穀類収納袋の中央部分に、前記パイプの上端開口部を上方に突出させた状態でほぼ直角に深く埋設可能とし、このパイプの上端開口部には、適宜な着脱機構を介して吸気装置6を着脱自在に取り付ける。【選択図】図1
