Process for the bottom drainage of a fluid-bed polymerization reactor
US4495337A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Feb 24, 1983 |
| Grant date | Jan 22, 1985 |
| Priority date | — |
| Expiry date | Feb 24, 2003 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S526/92
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The invention relates to a device and process permitting of the bottom drainage of a fluid-bed polymerization reactor (1) comprising a fluidization plate (2), a gas inlet (3) located between the said plate and the bottom of the reactor and a side pipe (4) located above the said plate and permitting of the evacuation of the fluidized particles, the said device consisting: PA1 of a vertical pipe (5) having a top opening at the level of the plate and a bottom end located outside and underneath the bottom of the reactor, which is occluded by a cock (6), PA1 and a gas intake tube (7) in the said vertical piping, leading out into the immediate vicinity of the said cock (6).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.