Small furnace cover for baking pot-type calcining furnace

The utility model relates to the technical field of calcining furnace auxiliary equipment, in particular to a small furnace cover for baking a pot-type calcining furnace, which comprises a first pipeline, a second pipeline and a fire blocking component, one end of the first pipeline is arranged at the end part of the calcining furnace burner in a surrounding manner; a connecting ring is arranged at the other end of the first pipeline; one end of the second pipeline is fixedly arranged on the connecting ring; the second pipeline is communicated with the first pipeline through a connecting ring; the inner diameter of the second pipeline is smaller than that of the first pipeline; the fire stopping component is arranged in the first pipeline through the connecting component; the fire stopping component and the first pipeline are coaxially arranged; the section of the fire stopping component is circular; the diameter of the fire stopping component is smaller than the inner diameter of the first pipeline; the diam