Top of a kitchen range of big frying pan

The utility model discloses a top of a kitchen range of big frying pan, include the top of a kitchen range, top of a kitchen range support, top of a kitchen range shell, refractory material heat preservation, furnace, advance mouth, exhaust port, smoke exhaust passage, the top of a kitchen range be fixed in on the top of a kitchen range support, top of a kitchen range bottom open and have furnace, the top of a kitchen range on the border be fixed with round annular sheath iron, top of a kitchen range upper portion have the exhaust port, exhaust port and smoke exhaust passage intercommunication, the top of a kitchen range constitute by inlayer refractory material heat preservation and outer top of a kitchen range shell, the refractory material heat preservation on the inside at border have smoke exhaust passage, refractory material heat preservation and top of a kitchen range shell between be connected through a plurality of contact, the oral area of refractory material heat preservation have the round to adva