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The invention relates to a composite graphite burning torch. The composite graphite burning torch comprises a burning torch body, a stove inner section of the burning torch body and a stove outer section of the burning torch body; the burning torch body is a cylinder body; a mounting flange for being mounted at a stove mouth sleeves between the stove inner section and the stove outer section; the stove outer section is provided with an air connector and a hydrogen connector, and a circuit board and a high-voltage pulse generator are arranged inside the stove outer section; the stove inner section is formed by sequentially embedding and connecting a first sleeve, a second sleeve and a combustion chamber; an air passage communicated with the air connector, a hydrogen passage communicated with the hydrogen connector, a needle hole A for mounting a flame probe and a needle hole B for mounting an ignition electrode B are arranged in the extended macro-axis direction of the first sleeve and the second sleeve, and the air passage and the hydrogen passage are sequentially arranged from outside to inside. The composite graphite burning torch has the advantages that the burning torch is formed by finishing composite graphite, is suitable for an auto-ignition system of an HCL synthesis production device, and is applicable to a high temperature condition as large spark-ignition of a high-frequency ignition transformer is adopted, meanwhile, the electromagnetic field interference generated by the composite graphite burning torch is lower than that generated by other components, and the burning torch is low in input current and power, and solves difficult problems of a poor anticorrosion and high-temperature resisting ability.