PROBLEM TO BE SOLVED: To provide an open boiling pot that can produce excellent boiling food of Go or a red bean or the like at an extremely low cost without unevenly boiling a raw material for water adding boiling, and particularly has an opening on an upper surface suitable for batch type treatment.SOLUTION: The boiling pot includes: a cylindrical boiling pot body 14 having a steam introduction port 28 for introducing steam for boiling the raw material from the outside in a center of a circular bottom a cylindrical steam strut pipe 20 erected at a center of the circular bottom of the boiling pot body and filled with the steam inside thereof a cylindrical rotation support pipe 22 rotatably covered by the cylindrical steam strut pipe 20 a plurality of steam jetting pipes 24 supported by being radially and airtightly mounted onto an outside peripheral surface of the rotation support pipe and having a plurality of steam jetting ports jetting the steam into the boiling pot body on an outer peripheral surface and a plurality of deflecting vanes 26 corresponding to the steam jetting pipes and separated above thereof by a predetermined distance and supported by being mounted to the outside periphery surface of the rotation support pipe in an inclined manner at a predetermined angle.COPYRIGHT: (C)2013,JPO&INPIT【課題】水添加煮沸用原料がムラ炊きとなることがなく、品質の良い呉やゆで小豆等の煮沸物をきわめて安価に製造できる煮釜、特に上面に開口部を有し、バッチ式処理に好適な開放式の煮釜を提供する。【解決手段】内部に煮沸される水添加煮沸用原料を収容し、円形底部の中央に原料を煮沸するための蒸気を外部から導入するための蒸気導入口28を備える円筒状煮釜本体14と、煮釜本体の円形底部の中央に立設され、下端が蒸気導入口に連結され、内部に蒸気が充填される円筒状蒸気支柱管20と、これに回転可能に被装される円筒状回転支持管22と、その外側周面に放射状に気密に取り付けられて支持され、蒸気を煮釜本体内に噴射する複数の蒸気噴射口を外周面に持つ複数の蒸気噴射管24と、これに対応してその上方に所定距離離間して、回転支持管の外側周面に所定角度傾斜して取り付けられて支持される複数の偏向羽根26と、を有する。【選択図】図1
