Patent US3844709A successfully refreshed from Google Patents.
US3844709A
Expired / Lapsed
US
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Rotary kiln with cooling cells
Assignee: Fives Cail Babcock SA
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Filing: 1974-01-03
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Granted: 1974-10-29
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Expires: 1994-01-03
Abstract
Abstract A rotary kiln comprises a kiln body and a cooling cell body mounted on the kiln body for rotation therewith. A feed channel interconnects the kiln and cooling cell bodies in a tight manner and provides communication between the interiors of the kiln and cooling cell bodies through the port. The feed channel includes an expansible bellows sleeve having respective ends tightly affixed respectively to the kiln and the cooling cell body, and a tube section having one end affixed to the kiln or cell body and the other end free, the tube section being positioned within the bellows sleeve and having a refractory interior wall. Material falling out of the rotary kiln body through the port is guided by the tube section into the cooling cell.
Inventors
- 👤 G Ghestem
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 14:43
CPC Classifications
F; F27; F27B; F27B7/00; F27B7/20; F27B7/38; F27B7/40
Claims Analysis
Total Claims: 16
Claim 1
Independent Claim
154 words
A rotary kiln comprising 1. a kiln body having an output end and defining a port at the output end, 2. a cooling cell body mounted on the kiln body for rotation therewith, and 3. a feed channel interconnecting the kiln and cooling cell bodies in a fluid-tight manner and providing communication between the interiors of the kiln and cooling cell bodies through the port, the feed channel including a. an expansible bellows sleeve having respective ends fluidtightly affixed respectively to the kiln and the cooling cell body, and b. a tube section having respective ends, the tube section being positioned within the bellows sleeve and having a refractory interior wall, and one of the tube section ends being affixed to a selected one of the bodies while the other end is free, material falling out of the rotary kiln body through the port being guided by the tube section into the cooling cell.
Claim 2
Dependent Claim
154 words
A rotary kiln comprising 1. a kiln body having an output end and defining a port at the output end, 2. a cooling cell body mounted on the kiln body for rotation therewith, and 3. a feed channel interconnecting the kiln and cooling cell bodies in a fluid-tight manner and providing communication between the interiors of the kiln and cooling cell bodies through the port, the feed channel including a. an expansible bellows sleeve having respective ends fluidtightly affixed respectively to the kiln and the cooling cell body, and b. a tube section having respective ends, the tube section being positioned within the bellows sleeve and having a refractory interior wall, and one of the tube section ends being affixed to a selected one of the bodies while the other end is free, material falling out of the rotary kiln body through the port being guided by the tube section into the cooling cell.
Claim 3
Dependent Claim
13 words
a cooling cell body mounted on the kiln body for rotation therewith, and
Claim 4
Dependent Claim
13 words
a cooling cell body mounted on the kiln body for rotation therewith, and
Claim 5
Dependent Claim
55 words
The rotary kiln of claim 1, wherein the bellows sleeve comprises two bellows portions at the respective ends of the bellows sleeve and a sleeve portion interconnecting the bellows portions, an support flanges are mounted on the kiln and cooling cell bodies respectively, the ends of the bellows sleeve being affixed to the support flanges.
Claim 6
Dependent Claim
119 words
a feed channel interconnecting the kiln and cooling cell bodies in a fluid-tight manner and providing communication between the interiors of the kiln and cooling cell bodies through the port, the feed channel including a. an expansible bellows sleeve having respective ends fluid-tightly affixed respectively to the kiln and the cooling cell body, and b. a tube section having respective ends, the tube section being positioned within the bellows sleeve and having a refractory interior wall, and one of the tube section ends being affixed to a selected one of the bodies while the other end is free, material falling out of the rotary kiln body through the port being guided by the tube section into the cooling cell.
Claim 7
Dependent Claim
119 words
a feed channel interconnecting the kiln and cooling cell bodies in a fluid-tight manner and providing communication between the interiors of the kiln and cooling cell bodies through the port, the feed channel including a. an expansible bellows sleeve having respective ends fluid-tightly affixed respectively to the kiln and the cooling cell body, and b. a tube section having respective ends, the tube section being positioned within the bellows sleeve and having a refractory interior wall, and one of the tube section ends being affixed to a selected one of the bodies while the other end is free, material falling out of the rotary kiln body through the port being guided by the tube section into the cooling cell.
Claim 8
Dependent Claim
16 words
The rotary kiln of claim 2, wherein the planes wherein the two bellows portions extend intersect.
Claim 9
Dependent Claim
20 words
The rotary kiln of claim 2, wherein the planes wherein the two bellows portions extend are parallel to each other.
Claim 10
Dependent Claim
44 words
The rotary kiln of claim 2, wherein planes wherein the support flanges extend intersect to form a dihedron whose apex is on the same side as the cooling cell in respect of the feed channel, the tube section being positioned entirely within the dihedron.
Claim 11
Dependent Claim
37 words
The rotary kiln of claim 1, wherein the tube section comprises a metallic shell and an interior lining of refractory material, and a flange on one end of the metallic shell being affIxed to the selected body.
Claim 12
Dependent Claim
34 words
The rotary kiln of claim 1, wherein an annular space is defined between the free end of the tube section and the body adjacent thereto, and a protective ring interiorly closes the annular space.
Claim 13
Dependent Claim
16 words
The rotary kiln of claim 7, wherein the protective ring is affixed to the kiln body.
Claim 14
Dependent Claim
16 words
The rotary kiln of claim 7, wherein the protective ring is affixed to the tube section.
Claim 15
Dependent Claim
48 words
The rotary kiln of claim 1, wherein the axis of the feed channel is inclined downstream in the direction of flow of material from the interior of the kiln body into the cooling cell body and in respect to the axis of the port in the kiln body.
Claim 16
Dependent Claim
109 words
The rotary kiln of claim 1, wherein the cooling cell body comprises a cylindrical body portion and a frustoconical inlet portion lined with refractory material, the frusto-conical inlet portion of the cooling cell having a large base adjacent the cylindrical body portion thereof and a small base adjacent the feed channel, the planes wherein the frusto-conical inlet portion bases extend being inclined in respect of the axis of the cylindrical portion whereby material falling into the cooling cell from the interior of the rotary kiln body when the same is in the lower part of its rotary path is moved away from the inlet portion when the same ascends.
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) | 1977-10-28 | 1978-04-29 | 1978-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-10-28 | 1982-04-29 | 1982-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-10-28 | 1986-04-29 | 1986-10-29 | $7700.00 | Window Closed / Lapsed |