Drying method for terephthalic acid and horizontal rotary dryer
US10371444B2 · kind B2 · utility
2Cited by
18References
6Claims
0Family size
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Key dates
| Filing date | Dec 9, 2015 |
| Grant date | Aug 6, 2019 |
| Priority date | — |
| Expiry date | Jan 3, 2037 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF26B23/10
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
To provide a drying method for terephthalic acid and a horizontal rotary dryer allowing easy performance of mass processing of the terephthalic acid and enabling size reduction by improving drying performance of the dryer. In a method of drying terephthalic acid by using a horizontal rotary dryer, a rotating shell is rotated to make a critical speed ratio α defined by expression 1 and expression 2 become 17 to less than 80% to dry the processing material, Vc=2.21D½ Expression 1α=V/Vc·100 Expression 2
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.