Upper air inlet burner on stove

The upper air inlet combustor comprises a combustor base and a fire cover, a circle of annular channel for gas circulation is arranged on the surface of the combustor base, and the annular channel is defined by a left annular channel and a right annular channel; the left annular channel is gradually lifted in the height direction along with the change of the central angle from a left air inlet hole formed in the lower portion of the burner base as the starting end, and the left annular channel is continuously lifted, changes along with the central angle and stops above a right air inlet hole. The right annular channel is gradually lifted in the height direction along with the change of the central angle from a right air inlet hole formed in the lower portion of the burner base as the starting end, and the right annular channel is continuously lifted, changes along with the central angle and stops above the left air inlet hole; the left air inlet hole and the right air inlet hole extend backwards to form injec