| 摘要 |
<p>A heating device (20) as in one embodiment of the present invention is provided with the following: a heating furnace (52) in which a water-containing aggregate is heated by a heat medium which includes hot air; and a heat medium supply unit that supplies the heat medium to the heating furnace. The heat medium supply unit has the following: a heat generating unit (100) that generates heat and supplies the heat to the heating furnace as hot air; and a circulation unit (92) that returns, to the heating furnace, steam generated by the heating of the water-containing aggregate and the hot air inside of the heating furnace, wherein at least a portion of the steam that is returned and fine particles in the hot air are removed and thereafter returned, and steam is also converted to super-heated steam and returned to the heating furnace. The heat medium includes hot air generated by the heat generating unit and super-heated steam returned from the circulation unit.</p> |
