Shaft furnace charging device equipped with a cooling system and annular swivel joint therefore
US9146057B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 26, 2010 |
| Grant date | Sep 29, 2015 |
| Priority date | — |
| Expiry date | Dec 29, 2031 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF27D3/0025
- WIPO fieldThermal processes and apparatus
- WIPO sectorMechanical engineering
Abstract
Annular swivel joint including an annular fixed part and an annular rotary part and having an annular trough that defines an annular volume, via which the circuits portions communicate,a stationary forward connection for receiving cooling fluid from the stationary circuit portion; a rotary forward connection for supplying cooling fluid to the rotary circuit portion; a rotary return connection for receiving cooling fluid from the rotary circuit portion; and a stationary return connection for returning cooling fluid to the stationary circuit portion;a partition dividing the annular volume into an annular external cavity and an annular internal cavity so that the forward connections are coupled via one of the external and internal cavities and the return connections are coupled via the other cavity, so that the internal cavity is at least partially surrounded by the external cavity.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.