To provide an irori fireplace device capable of being installed in a construction such as an ordinary building, as a work for disposing of ash and the like can be executed without contaminating a room, and the room can be properly ventilated.

A furnace chamber section 10 has an inner box 10a as a furnace, and an outer box 10b as a sand buffer, a net body 11 is horizontally disposed at a middle stage in the inner box 10a, and a ventilation pipe 12 is disposed at its lower face, and an exhaust pipe 13 is disposed above it. The ventilation pipe 12 and the exhaust pipe 13 are projected from a back face of the furnace chamber section 10, and detachably connected respectively with an air supply pipe 15 and a combustion gas discharge pipe 16 inserted into an inner wall 6. For this purpose, a pipe connecting means is disposed near the inner wall 6. Wheels for moving are disposed on a lower face of the furnace chamber section 10 in a state that it can be drawn out to a pathway 7 through an inlet/outlet 8. The pipe connecting means is released when the furnace chamber section 10 is moved, and tightly connects the pipes so that both of the sucked air and exhausted air do not leak in fixing.