The invention relates to a lime industrial production process, especially to a lime production pressure furnace device, and aims to save energy in lime production process. The device mainly includes a pressure steel furnace calcining chamber main body, a inclined panel and a venthole arranged at lower side in the pressure steel furnace calcining chamber main body, a water-containing basin arranged at bottom, a pressure steel furnace lid and an exhaust outlet arranged at top of the main body, a discharge outlet arranged at bottom side, a high temperature high pressure heat energy recovering chamber arranged outside the main body, a pressure steel furnace heat energy recovering pipeline, a steel furnace monitoring pressure gauge, a high temperature high pressure heat energy recovering switch and a monitoring pressure gauge of the heat energy recovering chamber arranged on the pipeline, a pressure safety relief valve arranged on the heat energy recovering chamber, a pressure release valve in the pressure steel furnace, a release pipeline entering the heat energy recovering chamber, a water flooding pipe and a water level meter of the water-containing basin, a high power electromagnetic oven or fire coal used for heating for the pressure steel furnace.