Reactor for two-phase reactions, in particular for urea synthesis at high pressure and temperature
US5888460A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jul 18, 1995 |
| Grant date | Mar 30, 1999 |
| Priority date | — |
| Expiry date | Jul 18, 2015 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P20/582
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
An in-situ modernization method is provided for a reactor of the type having a plurality of spaced apart perforated plates disposed within a hollow cylindrical vessel wherein the plates are perforated and spaced from the vessel wall to define an annular gap between the periphery of each plate and the vessel wall. The method includes the steps of providing a substantially annular baffle to substantially close the gap while leaving an opening with the openings of adjacent plates being diametrically opposed to each other. Alternatively, the annular gap may be substantially closed by an annular baffle and an enlarged opening is provided in each plate with the openings of adjacent plates being diametrically opposed to each other.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.