US4279205A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Storage
Assignee: Wormser Engineering Inc
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Filing: 1979-09-24
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Granted: 1981-07-21
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Expires: 1999-09-24
Abstract
Abstract A fluidized combustor is provided with a burning zone having cooling passages in its upper portion and a lower portion beneath said passages yet deep enough so that material therein may be operated in a fluid bed combustor mode with cooling by fluidizing excess air, a separate zone being provided for selective storage therein of materials transferred from the burning zone.
Inventors
- 👤 Stephen P. Perkins
- 👤 Alex F. Wormser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:35
CPC Classifications
B; B01; B01J; B01J8/00; B01J8/18; B01J8/24; B01J8/26; B01J8/28; F; F22; F22B; F22B31/00; F22B31/0007
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
141 words
A fluidized bed combustor comprising burning means including apertured means defining a support for fluidization of contents supported thereby, housing means for defining with said support a burning zone, heat transfer means for carrying fluid therethrough to remove heat produced by burning, said heat transfer means being spaced above said support to provide thereunder in said housing means above said support a first storage zone of depth to permit fluidized bed combustion of contents over said support without settledbed contact between the surface of said contents and any said heat transfer means, storage means defining a second storage zone to allow storage of materials removed from said first storage zone, means for selectively transferring materials from said first storage zone to said second storage zone, and means for selectively transferring material from said second storage zone to said first storage zone.
Claim 2
Dependent Claim
141 words
A fluidized bed combustor comprising burning means including apertured means defining a support for fluidization of contents supported thereby, housing means for defining with said support a burning zone, heat transfer means for carrying fluid therethrough to remove heat produced by burning, said heat transfer means being spaced above said support to provide thereunder in said housing means above said support a first storage zone of depth to permit fluidized bed combustion of contents over said support without settledbed contact between the surface of said contents and any said heat transfer means, storage means defining a second storage zone to allow storage of materials removed from said first storage zone, means for selectively transferring materials from said first storage zone to said second storage zone, and means for selectively transferring material from said second storage zone to said first storage zone.
Claim 3
Dependent Claim
26 words
The combustor of claim 1 in which said second zone and said first zone are in series, said second zone being upstream of said first zone.
Claim 4
Dependent Claim
38 words
The fluidized bed combustor of claim 2 which includes second aperture means defining a support for fluidization of contents supported thereby, said second apertured means defining together with housing means and said apertured means said second storage zone.
Claim 5
Dependent Claim
34 words
The combustor of claim 1 which includes fuel introduction means for introducing fuel into said first storage zone, located to introduce said fuel a substantial distance below the top of said first storage zone.
Claim 6
Dependent Claim
16 words
The combustor of claim 4 in which said fuel introduction means is means for introducing coal.
Claim 7
Dependent Claim
26 words
The combustor of claim 5 in which said fuel introduction means is located from three to six inches below the top of said first storage zone.
Claim 8
Dependent Claim
45 words
The combustor of claim 3 in which said second storage zone includes at a predetermined height therein solids outlet means, whereby incombustible solids accumulating in burning zones may be transferred to said second storage zone, air cooled therein, and discharged through said solids outlet means.
Claim 9
Dependent Claim
39 words
The combustor of claim 4 which includes a desulfurizing zone including apertured means defining a support for fluidization of sorbent supported thereby and housing means therearound, said desulfurizing zone being in series with and downstream of said burning means.
Claim 10
Dependent Claim
20 words
The combustor of claim 3 in which burning zone and said second storage zone are defined by a common housing.
Claim 11
Dependent Claim
24 words
The combustor of claim 8 in which said second storage zone, said burning means, and said desulfurizing zone are defined by a common housing.
References Cited (Backward Citations)
US4135885A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1984-07-20 | 1985-01-19 | 1985-07-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-07-20 | 1989-01-19 | 1989-07-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-07-20 | 1993-01-19 | 1993-07-21 | $7700.00 | Window Closed / Lapsed |