Steaming apparatus

A steaming apparatus comprising:

• a main body frame;
• a transfer apparatus passing through the main body frame and moving an object to be cooked in a predetermined direction;
• a spray device arranged in both lateral portions of the transfer apparatus,
• wherein the spray device comprises:
• a pipe portion extending in a direction parallel to a transport direction of the object to be cooked;
• and
• a nozzle portion connected to the pipe portion, and receiving and spraying stream to an outside,
• wherein the nozzle portion sprays steam in a direction toward an inside of the transfer apparatus from an outside of the transfer apparatus,
• wherein the transfer apparatus comprises:
• a plurality of transfer lines;
• and
• the plurality of transfer lines are arranged in a multilayer with a predetermined interval in a vertical direction, and
• wherein the pipe portion is arranged between the plurality of transfer lines in the vertical direction,
• wherein the nozzle portion comprises a plurality of nozzle portions,
• at least one of the plurality of nozzle portions sprays steam in a first direction,
• at least one of the plurality of nozzle portions sprays steam in a second direction,
• the first direction and a horizontal plane have a first contained angle,
• the second direction and the horizontal plane have a second contained angle, and
• the size of the first contained angle is different from the size of the second contained angle.