| 摘要 |
Disclosed are a mixer for mixing asphalt concrete using a direct and indirect heating method, a method for mixing asphalt concrete using the direct and indirect heating method, and a method for constructing the asphalt concrete using the direct and indirect heating method. The mixer for mixing asphalt concrete using a direct and indirect heating method comprises: a housing in which the upper end is open; a center case arranged in the center of the housing while stirring and moving asphalt mixture; mixing units which are respectively connected to the center case in order to be transferred to the center case by stirring and moving the asphalt mixture and arranged inside the housing, and includes left and right cases arranged in both sides by leaving a mixing case in between; a heating pipe which is combined to the outer wall of the housing in order to heat the outer surface of the center case, left and right cases by providing hot air into the housing; an induction unit which directly heats by inducing hot air which heats the center case, left case and right case to a mixing space installed inside the center case, left case and right case and spraying the asphalt mixture; and a collection unit which transfers to the heating pipe by collecting hot air sprayed to the center case, left case and right case through the induction unit. |
