Fryer

A fryer, which is configured to heat a frying oil stored in an oil tank by a heater so as to fry a food material put into the oil tank, the fryer comprising:

• an upper oil tank in which the heater is arranged and the food material is to be fried;
• a lower oil tank, which is provided below the upper oil tank so as to be continuous with the upper oil tank, includes a discharge port formed in a deepest portion to discharge fried scraps generated in the oil tank, together with the frying oil, and includes a plurality of inclined bottom plates inclined toward the discharge port;
• a water-cooling jacket, which is provided around the lower oil tank and filled with cooling water, and is configured to forcibly cool the frying oil in the lower oil tank;
• a discharge valve configured to open and close a discharge flow path leading to the discharge port;
• a reserve tank, which is configured to remove the fried scraps from the frying oil discharged through the discharge valve, and to store the frying oil after removal of the fried scraps;
• a return flow path, in which an oil feed pump is provided, and through which the frying oil in the reserve tank is to be fed into the lower oil tank;
• a control unit configured to manage driving of the heater, opening and closing of the discharge valve, and driving of the oil feed pump;
• and
• a fried scrap discharge button configured to be operated so as to instruct the control unit to discharge, during frying, the fried scraps having sunk in the lower oil tank,
• wherein, along with operation of the fried scrap discharge button, the control unit is configured to drive the oil feed pump to add a predetermined amount of the frying oil from the reserve tank to the oil tank, and to open the discharge valve to discharge the same amount of the frying oil as the predetermined amount of the frying oil from the lower oil tank.