To provide a chaff storehouse enabling smoothly conveying chaff into the storehouse, and collecting powder dust conveyed into the storehouse together with the chaff without separately providing a dust collecting device.SOLUTION: A chaff storehouse to which a chaff conveying duct conveying chaff by air is connected, and which accumulates in the storehouse the chaff conveyed by air with the chaff conveying duct is such that: a space part communicated with a chaff conveyance space connected with the chaff conveying duct, and separated from the chaff conveyance space by the chaff accumulated in the storehouse is formed below a height position to which the chaff conveying duct is connected, in the inside of the chaff storehouse； and the chaff is conveyed by air into the storehouse with the chaff conveying duct while exhausting air in the chaff conveyance space from the space part separated from the chaff conveyance space by the chaff accumulated in the storehouse to the outside of the storehouse via the chaff.SELECTED DRAWING: Figure 1【課題】籾殻を庫内に円滑に搬送することができるとともに、前記籾殻とともに庫内に搬送される粉塵を、別途集塵装置を設けることなく回収することができる籾殻庫を提供する。【解決手段】籾殻を空気搬送する籾殻搬送ダクトが接続され、前記籾殻搬送ダクトにより空気搬送される籾殻を庫内に貯留する籾殻庫において、籾殻庫の内部であって前記籾殻搬送ダクトが接続される高さよりも下方には、前記籾殻搬送ダクトが接続される籾殻搬入空間と連通し、庫内に堆積する籾殻により前記籾殻搬入空間と隔てられる空間部が形成され、前記籾殻搬入空間の空気を、前記庫内に堆積する前記籾殻により前記籾殻搬入空間と隔てられた前記空間部から前記籾殻を介して庫外へ排気しながら、前記籾殻搬送ダクトにより籾殻を庫内に空気搬送することを特徴とする。【選択図】図１
