To provide dry distillation equipment which can dry distill effectively a substance to be dry distilled.

In a dry distillation equipment which is equipped with a dry distillation oven 8 comprising an inner kettle 1 to accommodate the substance to be dry distilled, an outer kettle 2 which is out fitted on the inner kettle 1 and forms between the inner kettle 1 and it a space 3 for heating the air, a lid 4 which closes up the inner kettle 1 tight, an exhaust pipe 6 connectively installed to the lid 4, and an oven body 5 which is so installed as to cover the outer kettle 2 and forms between the outer kettle 2 and it a heat source supplying chamber 7 and in which the dry distillation is conducted by supplying a heat source of a flame or the like to the heat source supplying chamber 7 and igniting the substance M to be dry distilled which is received/ closed in the inner kettle 1, the center parts of each bottom wall 1a, 1b of the inner kettle 1 and the outer kettle 2 are protruded upwards up to a predetermined height to form raised bottoms 11, 12, a heat source supplying inlet 9 is provided on the peripheral wall portion 5a of the oven body 5, and an exhaust cylinder 13 is installed which vertically passes through the bottom wall 5b of the oven body 5 and thrusts in the raised bottom 12 of the outer kettle 2 from its underside.