Method for the disposal of molten slag
Abstract
Abstract IN A PROCESS FOR FORMING HARD SLAG LUMPS FROM MOLTEN SLAG, THE MOLTEN SLAG IS POURED FROM AN L-D TYPE STEELMAKING VESSEL INTO A RECEIVER HAVING A DESTRUCTIBLE WALL MADE OF COOL HARD SLAG LUMPS COMPARABLE IN SIZE TO THE SIAG-LUMPS PRODUCT DESIRED, AND A MOBILE BOOM-ANDBLADE IMPLEMENT IS THEN MANIPULATED TO TREAT THE SUBSTANTIALLY UNCOOLED POURING WITH THE COOL SLAG LUMPS OF THE WALL, THE TREATMENT INCLUDING ADDING THE COOL SLAG LUMPS OF THE WALL TO THE MOLTEN SLAG POURING AND AGITATING TO- GETHER IN THE ATMOSPHERE THE ADDED SLAG LUMPS AND THE MOLTEN SLAG TO EFFECT COOLING AND FRAGMENTATION OF THE MOLTEN SLAG AND AIR-COOLING OF THE MOLTEN FRAGMENTS TO SLAG LUMPS WHICH ARE READILY REMOVABLE WITH THE ADDED SLAG LUMPS FROM HE VICINITY OF THE VESSEL.
Inventors
- 👤 William B Y Miller
Bibliographic Details
Claims Analysis
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-03-01 | 1974-08-31 | 1975-03-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-03-01 | 1978-08-31 | 1979-03-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-03-01 | 1982-08-31 | 1983-03-02 | $7700.00 | Window Closed / Lapsed |