| 摘要 |
A method of making a foamed glass composite, including crashing a vitreous precursor material, such as waste glass, frit, metallurgical slag or the like, sizing the crashed vitreous precursor to segregate an amount of crashed particles of a predetermined size and pelletizing the crashed particles. The pellets are preheated and passed through a high-temperature flame to foam the pellets. The foamed pellets are air-quenched to a temperature below their dilatometric softening point and then cooling to room temperature. The foamed pellets are then mixed with Portland cement and water to form a composite material. The flame temperature is at least about 1300°C and the pellets are preheated to within no more than about 25°C of their dilatometric softening point. The pellets have a volume of between about 0.05 and about 1 cubic centimeter and reside in the flame for between about 0.5 to about 10 seconds. |
