Novel environment-friendly high-purity carbon black reaction furnace, and production method of environment-friendly high-purity carbon black

The invention discloses a novel environment-friendly high-purity carbon black reaction furnace. The reaction furnace comprises a combustion chamber, a reaction section and a quenching section; the combustion chamber is provided with multiple stages, and the combustion chamber is correspondingly connected with the reaction sections in sequence; an air inlet and a fuel oil spray gun are arranged on the combustion chamber; the tail ends of the outlets of the plurality of reaction sections are converged and connected to the quenching section; the combustion chamber is in a hollow cylinder shape; the reaction section is in a hollow circular truncated cone shape, the end face with the smaller diameter faces the combustion chamber, and the end face with the larger diameter faces the quenching section; the combustion chamber and the reaction section are coaxially arranged, and the axis of the reaction section is parallel to the axis of the quenching section in the horizontal direction; the reaction sections are arran