| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an asphalt pavement waste material regenerating device for reducing the amount of exhaust gas to achieve energy saving by effectively utilizing the exhaust gas from a waste material dryer when subjected to deodorizing treatment in a deodorization furnace, as secondary combustion air for a burner of the deodorization furnace to reduce the amount of combustion air to be supplied from a combustion air supply fan. <P>SOLUTION: An exhaust duct 9 of a waste material dryer 2 is connected to a burner flame formation part 20 of a deodorization furnace 3, and an oxygen concentration meter 21 is provided on the downstream side thereof for detecting an oxygen concentration in combustion gas. On the other hand, in a burner combustion controller 22, the reference concentration of residual oxygen in the combustion gas formed during the complete combustion of a burner 16 in the furnace is preset as a target oxygen concentration. The amount of air blown by a combustion air supply fan 23 is adjusted to keep the oxygen concentration in the combustion gas at the target oxygen concentration while avoiding the supply of extra combustion air. This reduces the amount of exhaust gas to achieve energy saving. <P>COPYRIGHT: (C)2013,JPO&INPIT |
