The invention discloses rotary calcination equipment which comprises a swinging type rotary furnace, a driving device, a supporting device and a swinging control device; the feed end of a drum of the swinging type rotary furnace is higher than the discharge end of the drum; the drum is internally provided with a calcination section II; the driving device is arranged at the exterior of the drum and is used for driving the drum to carry out reciprocating swinging around a rotating axis; the supporting device is arranged at the exterior of the drum and is used for supporting the drum rotationally; the swinging control device is connected with the driving device through a wire and is used for controlling the movement of the driving device; and an electric heater and/or a heating jacket are/is arranged on the outer drum wall of the drum. With the adoption of the swinging type rotary furnace, the electric heater and the heating jacket can be arranged on the outer wall of the drum, and are connected with the exterior through wires or movable conduit components, a heating structure is simplified, the heating reliability is improved and the maintenance is facilitated. The invention also discloses a calcination technology.