Furnace end of energy-saving gas furnace

The utility model discloses a furnace end of an energy-saving gas furnace, which relates to the technical field of furnace ends of gas furnaces, and comprises a shell, a cover plate, a rotary driving mechanism, an air pipeline and a gas pipeline, the cover plate is provided with a through hole corresponding to a second air outlet hole, the rotary driving mechanism is arranged in the shell, and the air pipeline is arranged in the shell. The rotation driving mechanism is in transmission connection with the cover plate and used for driving the cover plate and the through hole to rotate, the axis of the second air outlet hole is located on the rotation path of the through hole, and the second air outlet hole and the through hole are aligned or staggered when the cover plate rotates. The cover plate is driven by the rotary driving mechanism to rotate, so that the through hole and the second gas outlet hole are staggered, the second gas outlet hole is blocked by the cover plate, and only mixed gas is sprayed out of