US2967758A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of and apparatus for disintegrating and dispersing a molten smelt stream
Assignee: Babcock and Wilcox Co
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Filing: 1956-06-21
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Granted: 1961-01-10
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Expires: 1976-06-21
Abstract
No abstract record available.
Inventors
- 👤 Benjamin N Thorson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:46
CPC Classifications
D; D21; D21C; D21C11/00; D21C11/12; D21C11/122; Y; Y10; Y10S; Y10S159/00; Y10S159/09; Y10S423/00; Y10S423/03
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
144 words
A PROCESS FOR THE RECOVERY OF CHEMICALS FROM PULP RESIDUAL LIQUOR COMPRISING THE STEPS OF INCINERATING A SODIUM BASE PULP RESIDUAL LIQUOR CONTAINING COMBUSTIBLE ORGANIC AND NON-COMBUSTIBLE INORGANIC CHEMICALS IN AN INCINERATING ZONE AND REDUCING THE INORGANIC CHEMICALS TO A MOLTEN METAL SMELT CONTAINING ONE OR BOTH COMPOUNDS FROM THE GROUP OF SODIUM CARBONATE AND SODIUM SULPHIDE, GRAVITATIONALLY DISCHARGING THE MOLTEN SMELT AS A SUBSTANTIALLY CONTINUOUS STREAM FROM SAID INCINERATING ZONE IN A DOWNWARD TRAJECTORY TOWARDS A POOL OF AQUEOUS DISSOLVING LIQUOR CHEMICALLY REACTIVE TO SAID SMELT, AND DISINTEGRATING AND DISPERSING SAID STREAM OF SMELT WHILE ABOVE THE LEVEL OF SAID POOL OF DISSOLVING LIQUOR BY DISCHARGING A DOWNWARDLY DIRECTED JET OF GASEOUS FLUID INTERSECTING SAID SMELT STREAM AT A POSITION OF SUBSTANTIAL VERTICAL TANGENCY WHILE AT A HIGH JET VELOCITY AND DRIVING SAID DISINTEGRATED AND DISPERSED SMELT INTO SAID POOL OF DISSOLVING LIQUOR.
Claim 2
Dependent Claim
144 words
A PROCESS FOR THE RECOVERY OF CHEMICALS FROM PULP RESIDUAL LIQUOR COMPRISING THE STEPS OF INCINERATING A SODIUM BASE PULP RESIDUAL LIQUOR CONTAINING COMBUSTIBLE ORGANIC AND NON-COMBUSTIBLE INORGANIC CHEMICALS IN AN INCINERATING ZONE AND REDUCING THE INORGANIC CHEMICALS TO A MOLTEN METAL SMELT CONTAINING ONE OR BOTH COMPOUNDS FROM THE GROUP OF SODIUM CARBONATE AND SODIUM SULPHIDE, GRAVITATIONALLY DISCHARGING THE MOLTEN SMELT AS A SUBSTANTIALLY CONTINUOUS STREAM FROM SAID INCINERATING ZONE IN A DOWNWARD TRAJECTORY TOWARDS A POOL OF AQUEOUS DISSOLVING LIQUOR CHEMICALLY REACTIVE TO SAID SMELT, AND DISINTEGRATING AND DISPERSING SAID STREAM OF SMELT WHILE ABOVE THE LEVEL OF SAID POOL OF DISSOLVING LIQUOR BY DISCHARGING A DOWNWARDLY DIRECTED JET OF GASEOUS FLUID INTERSECTING SAID SMELT STREAM AT A POSITION OF SUBSTANTIAL VERTICAL TANGENCY WHILE AT A HIGH JET VELOCITY AND DRIVING SAID DISINTEGRATED AND DISPERSED SMELT INTO SAID POOL OF DISSOLVING LIQUOR.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-01-10 | 1964-07-11 | 1965-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-01-10 | 1968-07-11 | 1969-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-01-10 | 1972-07-11 | 1973-01-10 | $7700.00 | Window Closed / Lapsed |