Asphalt production plant with pre-dryer assist
US10288349B2 · kind B2 · utility
6Cited by
3References
5Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 18, 2016 |
| Grant date | May 14, 2019 |
| Priority date | — |
| Expiry date | Nov 15, 2037 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P70/10
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A combination of components for use in making asphalt concrete from a mixture of virgin aggregate material with recycled asphalt products and/or recycled asphalt shingles encompasses a direct dryer for heating virgin aggregate material; a pre-dryer for heating recycled asphalt product and/or recycled asphalt shingles, said pre-dryer using warm exhaust gas from said direct dryer to heat the recycled asphalt product and/or recycled asphalt shingles; and means for conveying warm exhaust gas from said direct dryer to said pre-dryer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.