| 摘要 |
A warm mix asphalt plant comprising a counter-flow drum, apparatus for precisely metering flows of A/C and water, an asphalt expander with no moving internal parts where a circular curtain of flowing clean water is mixed with a coaxial circular curtain of moving heated A/C to create asphalt foam which gets heated and mixed inside a lower portion of the asphalt expander and then distributed to cover aggregate inside the counter-flow drum. |
