US4566392A
Expired / Lapsed
US
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Slag tap combustion apparatus
Assignee: Mitsubishi Heavy Industries Ltd
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Filing: 1985-05-08
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Granted: 1986-01-28
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Expires: 2005-05-08
Abstract
Abstract A slag tap combustion apparatus which is characterized by comprising a slag tap combustion furnace, a slag granulation chamber for granulating a slag discharged from the slag tap combustion furnace, a slag grain accumulation tower which is filled with slag grains discharged from the slag granulation chamber, a secondary reactor provided with an inlet and an outlet for a waste gas from the slag tap combustion furnace and provided with means for introducing finely powdered lime, a duct for connecting the waste gas outlet of the secondary reactor to the slag grain accumulation tower, and another duct for allowing the waste gas to discharge from the slag accumulation tower.
Inventors
- 👤 Takao Ishihara
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 11:26
CPC Classifications
F; F23; F23J; F23J15/00; F23J15/02; B; B01; B01D; B01D53/00; B01D53/34; B01D53/46; B01D53/48; B01D53/50; B01D53/508; F23J1/00; F23J1/08
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
109 words
A slag tap combustion apparatus which is characterized by comprising a slag tap combustion furnace, a slag granulation chamber for granulating a slag discharged from said slag tap combustion furnace, a slag grain accumulation tower which is filled with slag grains discharged from said slag granulation chamber, a secondary reactor provided with an inlet and an outlet for a waste gas from said slag tap combustion furnace and provided with means for introducing finely powdered lime, a duct for connecting said waste gas outlet of said secondary reactor to said slag grain accumulation tower, and another duct for allowing the waste gas to discharge from said slag accumulation tower.
Claim 2
Dependent Claim
109 words
A slag tap combustion apparatus which is characterized by comprising a slag tap combustion furnace, a slag granulation chamber for granulating a slag discharged from said slag tap combustion furnace, a slag grain accumulation tower which is filled with slag grains discharged from said slag granulation chamber, a secondary reactor provided with an inlet and an outlet for a waste gas from said slag tap combustion furnace and provided with means for introducing finely powdered lime, a duct for connecting said waste gas outlet of said secondary reactor to said slag grain accumulation tower, and another duct for allowing the waste gas to discharge from said slag accumulation tower.
Claim 3
Dependent Claim
36 words
The slag tap combustion apparatus according to claim 1 wherein said waste gas inlet of said secondary reactor is connected to an outlet of said slag tap combustion furnace with the interposition of a slag baffle.
Claim 4
Dependent Claim
38 words
The slag tap combustion apparatus according to claim 1 wherein an outlet for said combustion waste gas is provided on an upper portion of said slag tap combustion furnace, and this outlet is connected to said secondary reactor.
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) | 1989-01-27 | 1989-07-29 | 1990-01-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-01-27 | 1993-07-29 | 1994-01-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-01-27 | 1997-07-29 | 1998-01-28 | $7700.00 | Window Closed / Lapsed |