Control apparatus for blast furnace operation
Abstract
Abstract A CONTROL APPARATUS FOR BLAST FURNACE OPERATION COMPRISING AN INFRARED VIDEO MONITOR FOR RECEIVING OUTPUT IMAGE SIGNALS OBTAINED BY PICKING UP THE IMAGE OF A PATTERN OF HEAT RAYS RADIATED FROM THE TOP PORTION OF A BLAST FURNACE CHARGE USING AN INFRARED VIDICON CAMERA ANDDETECTING THE CONDITION OF A STOCK LINE AND GAS STREAMS AT THE FURNACE TOP, A MONITOR OF TEMPERATURE DISTRIBUTION PATTERN FOR RECEIVING OUTPUT IMAGE SIGNALS FROM THE VIDICON CAMERA AND INDICATING A PATTERN OF TEMPERATURE DISTRIBUTION AT THE FURNACE TOP IN THE CORRESPONDING HUES, A DATA PROCESSING DEVICE FOR BEING PREVIOUSLY STORED WITH INFORMATIN ON OPTIMUM OPERATING REQUIREMENTS RELATED TO VARIOUS FURNACE CONDITIONS AND ANALYZING OUTPUT IMAGE SINGALS FROM THE VIDICON CAMERA IN COMPARISON WITH THE STORED INFORMATION AND A CONTROL MEANS FOR CONTINUOUSLY BRINGING OPERATING FACTORS PREVAILING WITHIN AND WITHOU THE BLAST FURNACE TO A MOST SUITABLE CONDITION ON THE BASIS OF SUMMED UP INFORMATION ON OUTPUT AT LEAST FROM THE DATA PROCESSING DEVICE, INFRARED VIDEO MONITOR AND MONITOR OF TEMPERATURE DISTRIBUTION PATTERN.
Inventors
- 👤 Teruo Shimotsuma
- 👤 Toshihiro Mori
- 👤 Kazuo Sano
- 👤 Tsuneo Miyashita
Bibliographic Details
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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) | 1974-06-27 | 1974-12-27 | 1975-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-27 | 1978-12-27 | 1979-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-27 | 1982-12-27 | 1983-06-28 | $7700.00 | Window Closed / Lapsed |