PROBLEM TO BE SOLVED: To provide a steaming apparatus for heating foodstuffs 5 housed in a treatment tank 1 with saturated steam in which the condition of foodstuffs is detected and appropriate stirring is reliably performed.SOLUTION: The steaming apparatus for heating foodstuffs 5 by introducing saturated steam in the treatment tank 1 housing boiled foodstuffs, performs stirring under reduced pressure where pressure in the treatment tank is temporarily made lower than the pressure of the saturated steam at a steaming temperature during a steaming process where the foodstuffs are cooked. The steaming apparatus includes an upper part temperature sensor 14 for detecting the temperature of the upper part inside the foodstuff, and a lower part temperature sensor 15 for detecting temperature of the lower part inside the foodstuff. An operation controller 13 detects a difference in temperature between an upper part and a lower part inside the foodstuffs during the steaming process, and when the difference in temperature is larger than a prescribed value, the stirring under reduced pressure is performed.COPYRIGHT: (C)2012,JPO&INPIT【課題】処理槽1内に収容した食材5を飽和蒸気によって加熱するようにしている蒸煮装置において、食材の状況を検出し、適正な撹拌を確実に行うことができるようにする。【解決手段】煮物用食材を収容した処理槽1内に飽和蒸気を導入することによって食材5の加熱を行う蒸煮装置であって、食材を加熱調理している蒸煮工程時に、処理槽内の圧力を蒸煮温度における飽和蒸気圧力よりも一時的に低くして食材を撹拌する減圧撹拌を行う蒸煮装置において、食材内上部の温度を検出する上部品温センサ14と食材内下部の温度を検出する下部品温センサ15を設け、運転制御装置13は蒸煮工程時に食材内上部と下部での温度差を検出し、温度差が所定値よりも大きくなると減圧撹拌操作を行う。【選択図】図1
