To provide a heating device using microwaves capable of uniformly heating a workpiece by a method other than providing a stirring blade rotating in a heating chamber.SOLUTION: The heating device 10 of the present invention is arranged such that the rotating shaft 34b is inclined diagonally upward so that the opening 32 of the bottomed cylindrical shaped inner space accommodating the object to be processed is positioned obliquely upward And a lid portion 20 having a microwave irradiation portion 22 for irradiating a microwave from the opening portion 32 toward the internal space and covering the opening portion 32 during microwave irradiation, the rotating drum 30 , An inner peripheral surface 33 defining an internal space, a bottom surface 34 for closing an end portion of the inner peripheral surface 33 located on the opposite side of the opening 32, and a bottom surface 34 located at the center of the bottom surface 34, And a plurality of blades provided in the circumferential direction of the inner circumferential surface 33 and extending from the inner circumferential surface 33 toward the projecting portion 36 to guide the workpiece to the projecting portion 36 There.(FIG.【課題】加熱室内に回転する攪拌羽根を設ける以外の方法で、被処理物をムラなく加熱できるマイクロ波を用いた加熱装置を提供する。【解決手段】本発明の加熱装置10は、被処理物を収容する有底円筒状の内部空間の開口部32が斜め上方に位置するように、回転軸34bが斜め上方に傾くように配置された回転ドラム30と、開口部32から内部空間に向けてマイクロ波を照射するマイクロ波照射部22を有し、マイクロ波照射時に開口部32を覆う蓋部20と、を備え、回転ドラム30は、内部空間を規定する内周面33と、開口部32の反対側に位置する内周面33の端部を塞ぐ底面34と、底面34の中央に位置し、底面34側から開口部32側に突出する突出部36と、内周面33の周方向に複数設けられ、内周面33から突出部36側に延在して被処理物を突出部36に誘導する羽根と、を備えている。【選択図】図3
