Efficient decomposing furnace

The utility model discloses a high-efficiency decomposing furnace which comprises a conical pre-combustion chamber, a combustion chamber, a combustion chamber, a combustion chamber, a combustion chamber, a combustion chamber, a combustion chamber, a combustion chamber, a combustion chamber, a combustion chamber and a combustion chamber, the decomposition structure comprises two groups of decomposition chambers which are respectively communicated with the conical chamber body and are positioned above the side of the conical chamber body, an annular CO shunting cavity which is horizontally arranged in the decomposition chambers, a raw material shunting cavity which is arranged below the annular CO shunting cavity, a second CO gas inlet pipe and a raw material feeding pipe; and two outlets ofthe main pulverized coal T-shaped feeding pipe are each provided with two pulverized coal flow dividing pipes, and the pulverized coal flow dividing pipes communicate with the decomposition chamber.According to the utility m