Coil for coolant circulation, method for making same and reactor comprising same
US7549462B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 20, 2003 |
| Grant date | Jun 23, 2009 |
| Priority date | — |
| Expiry date | Mar 10, 2023 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01J2219/00094
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
This invention relates to a coil comprising a first helical tube segment (511) and a second helical tube segment (512, 513) extending, parallel to the first helical segment (511), between a distributor (53) and a manifold (54), said first and second helical segments (511, 512, 513) being centred on a common geometrical axis (X5), with substantially the same bending radius (R1) and nested, such that they form together a globally cylindrical bundle (51). The method comprises a step which consists in interleaving the helical tube segments (511-513) so as to form a globally cylindrical bundle. The invention also concerns a reactor equipped with such a coil which can be used for treating a viscous medium or for carrying out chemical reactions, such as 6-6 polyamide polymerization.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.