A device for chlorinating a titanium-containing raw material in a chloride-salt melt, comprising a housing, a lined upper cylindrical gas-vapor mixture chamber, a lined chlorination chamber configured as an inverted truncated cone having a generatrix inclined at an angle of 15°-25° to a chamber axis, graphite electrodes, a hearth, tuyeres, chloride feed lines, and a charge loading assembly arranged directly on the chlorination chamber, wherein a ratio between a diameter of the hearth, a diameter of the gas-vapor mixture chamber and a height of the chlorination chamber is 1:(1.2-1.5):(3.5-4.5), and wherein the housing is provided with reinforcing ribs in the region of the chlorination chamber and of an upper drainage pocket, the upper drainage pocket is lined with a graphite plate, and the tuyeres are provided with a compressed air feeding assembly comprising hoses with a metal double tube.