Method and furnace for disposal of steel-making waste, and operating method of the furnace
US5876483A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Dec 6, 1995 |
| Grant date | Mar 2, 1999 |
| Priority date | — |
| Expiry date | Dec 6, 2015 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S75/961
- WIPO fieldThermal processes and apparatus
- WIPO sectorMechanical engineering
Abstract
A melting furnace for reforming steel-making slag so as to be available, for example, to roadbed ballast by mixing steel-making dust with the slag in molten states, which is provided with a fuel oxygen burner for melting the slag and the dust, a slag charging port for charging the slag in molten state into the furnace, a dust feeder for supplying the dust into the furnace, a slag feeder for supplying the slag in powdered state into the furnace, a storage portion for storing a molten mixture of the slag and the dust in a quantity corresponding to a tilting angle of the furnace body and an outlet port for discharging the molten mixture, and is possible to dispose the slag efficiently whether the slag is in the powdered or molten state.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.