Induction plasma torch liquid waste injector
US6410880B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 10, 2000 |
| Grant date | Jun 25, 2002 |
| Priority date | — |
| Expiry date | Jan 10, 2020 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH05H1/42
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A plasma torch for vaporizing a molten salt containing a volatile component and a refractory component injects the molten salt into a device that includes a cylindrical shaped outer member and a cylindrical shaped inner member coaxially positioned inside the outer member to surround a chamber. An induction coil positioned between the inner and outer members generates r.f. power which is initially used to vaporize the volatile component of the molten salt to create a carrier gas having an elevated temperature. The carrier gas then heats the refractory component, under an increased vapor pressure from the carrier gas. This action, in turn, breaks down the refractory component of the molten salt into fine droplets. These fine droplets are maintained in the chamber until they also vaporize. In one embodiment, the plasma torch includes a nozzle for spraying droplets of the molten salt into said chamber. In another embodiment, a jet is positioned at the entrance of the chamber to direct the molten salt tangentially onto the inner wall. This creates a film of the molten salt which partially evaporates in the chamber. For this embodiment a diverter is positioned at the exit of the chamber …
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.