[ Problems ] To provide an apparatus for manufacturing natto capable of achieving a uniform temperature control of the fermentation chamber . A installing the air conditioner 103 on the ceiling 2 of the fermentation chamber 1 , the supply and exhaust device 200 to replace the fermentation room air and the outside air is provided , the air conditioner 103 is connected to the water-cooled air conditioner , 1 natto is carried out both of the following cooling and secondary cooling , supply and exhaust device 200 , the suction side with a suction fan 202 at the entrance portion of the pipe 201 , the exhaust side is equipped with an exhaust fan 204 to the outlet of the pipe 203 . [ Selection Figure Figure 4【課題】 発酵室内の温度制御の均一化を達成し得る納豆の製造装置を提供すること。【解決手段】 発酵室1の天井2に空調機103を設置し、発酵室内の空気を外気と交換する給排気装置200を設け、空調機103は、水冷式空調装置に接続され、納豆の1次冷却と2次冷却の双方を行い、給排気装置200は、吸入側は配管201の入り口部に吸気ファン202を備え、排気側は配管203の出口部に排気ファン204を備えた。【選択図】 図4
