US3787189A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for mixing fluids in a vessel between beds of solids
Assignee: Standard Oil Co
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Filing: 1971-12-17
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Granted: 1974-01-22
•
Expires: 1991-12-17
Abstract
Abstract The apparatus comprises a plurality of baffles positioned in the vessel so as to be perpendicular to the flow of fluids through said vessel and a plurality of sets of swirl vanes that are assembled in such a manner that a fluid medium being introduced into the vessel between beds of solids will be intimately admixed with other fluids that are passing through the vessel from one bed of solids to another.
Inventors
- 👤 L Lovell
- 👤 D Muffat
- 👤 J Clark
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 08:47
CPC Classifications
B; B01; B01J; B01J8/00; B01J8/02; B01J8/04; B01J8/0492
Claims Analysis
Total Claims: 18
Claim 1
Independent Claim
27 words
The apparatus of claim 1 wherein the cross-sectional area of said third baffle is greater than the cross-sectional area of said central opening of said second baffle.
Claim 2
Dependent Claim
29 words
The apparatus of claim 1 wherein said baffle and said third baffle have circular cross sections and said central opening of said second baffle has a circular cross section.
Claim 3
Dependent Claim
23 words
The apparatus of claim 1 wherein said first baffle and said second baffle are plates and said plates are parallel to one another.
Claim 4
Dependent Claim
30 words
The apparatus of claim 2 wherein said first baffle and said third baffle have circular cross sections and said central opening of said second baffle has a circular cross section.
Claim 5
Dependent Claim
23 words
The apparatus of claim 2 wherein said first baffle and said second baffle are plates and said plates are parallel to one another.
Claim 6
Dependent Claim
23 words
The apparatus of claim 3 wherein said first baffle and said second baffle are plates and said plates are parallel to one another.
Claim 7
Dependent Claim
23 words
The apparatus of claim 5 wherein said first baffle and said second baffle are plates and said plates are parallel to one another.
Claim 8
Dependent Claim
48 words
The apparatus of claim 8 wherein either or both of said first baffle and said third baffle are connected to said walls in a manner that will permit fluids to pass around said connected baffle or baffles in the direction of flow of said fluids through said vessel.
Claim 9
Independent Claim
487 words
An apparatus for mixing fluids in a vessel between beds of catalyst located in said vessel, which apparatus comprises: a first baffle which is centrally positioned from the walls of said vessel that are parallel to the flow of fluids through said vessel; a second baffle having a central opening and being positioned downstream from said first baffle such that said first baffle is located directly opposite said central opening of said second baffle on the upstream side of said second baffle, the cross-sectional area of said first baffle being greater thatn the cross-sectional area of said central opening of said second baffle, said first baffle and said second baffle being perpendicular to the flow of fluids through said vessel; a first plurality of swirl vanes connected to said first baffle on the downstream side of said first baffle, said first plurality of swirl vanes being supported on said second baffle and being positioned in a manner that will direct fluids that are passing through said vessel and between said first baffle and said second baffle in a swirling motion toward the axis of said vessel that is parallel to the flow of fluids through said vessel and subsequently through said central opening in said second baffle; a third baffle having a central opening and being positioned downstream from said second baffle such that the central opening of said third baffle and the central opening of said second baffle are opposite one another, the cross-sectional area of said central opening of said third baffle being at least as great as the cross-sectional area of said central opening of said second baffle, said third baffle extending to said walls of said vessel; a second plurality of swirl vanes connected to said second baffle on the downstream side of said second baffle and connected to said third baffle on the upstream side of said third baffle, said second plurality of swirl vanes being curved in a direction that is opposite to the direction in which said first plurality of swirl vanes is curved, said second plurality of swirl vanes being positioned to direct fluids passing Between said second baffle and said third baffle in a swirling manner toward the axis of said vessel that is parallel to the flow of fluids through said vessel and subsequently through said central opening of said third baffle; a third plurality of swirl vanes connected to the downstream side of said third baffle; and a fourth baffle that is positioned on the downstream side of said third baffle directly opposite said central oening of said third baffle and that is firmly attached to said third plurality of swirl vanes, said third plurality of swirl vanes being positioned to direct the fluids that are passing through said central opening of said third baffle and that are impinging upon the top of said fourth baffle in a swirling motion toward said walls of said vessel.
Claim 10
Dependent Claim
27 words
The apparatus of claim 10 wherein the cross-sectional area of said fourth baffle is greater than the cross-sectional area of said central opening of said third baffle.
Claim 11
Dependent Claim
35 words
The apparatus of claim 10 wherein said first baffle, said second baffle, said fourth baffle, said central opening of said second baffle, and said central opening of said third baffle all have circular cross sections.
Claim 12
Dependent Claim
18 words
The apparatus of claim 10 wherein said first baffle, said second baffle, and said third baffle are plates.
Claim 13
Dependent Claim
35 words
The apparatus of claim 11 wherein said first baffle, said second baffle, said fourth baffle, said central opening of said second baffle, and said central opening of said third baffle all have circular cross sections.
Claim 14
Dependent Claim
12 words
The apparatus of claim 11 wherein said fourth baffle is a plate.
Claim 15
Dependent Claim
12 words
The apparatus of claim 13 wherein said fourth baffle is a plate.
Claim 16
Dependent Claim
12 words
The apparatus of claim 14 wherein said fourth baffle is a plate.
Claim 17
Dependent Claim
51 words
The apparatus of claim 14 wherein one or more of baffles including said first baffle, said second baffle, and said fourth baffle are connected to said walls in a manner that will permit fluids to pass around said connected baffles in the direction of flow of said fluids through said vessel.
Claim 18
Independent Claim
538 words
An apparatus for mixing fluids in a vessel between beds of catalyst located in said vessel, which apparatus comprises: a first baffle which is centrally positioned from the walls of said vessel that are parallel to the flow of fluids through said vessel; a second baffle having a central opening and being positioned downstream from said first baffle such that said first baffle is located directly opposite said central opening of said second baffle on the upstream side of said second baffle, the cross-sectional area of said first baffle being greater than the cross-sectional area of said central opening of said second baffle, said first baffle and said second baffle being perpendicular to the flow of fluids through said vessel; a first plurality of swirl vanes connected to said first baffle on the downstream side of said first baffle, said firs plurality of swirl vanes being supported on said second baffle and being positioned in a manner that will direct fluids that are passing through said vessel and between said first baffle and said second baffle in a swirling motion toward the axis of said vessel that is parallel to the flow of fluids through said vessel and subsequently through said central opening in said second baffle; a third baffle having a central opening and being positioned downstream from said second baffle such that the central opening of said third baffle and the central opening of said second baffle are opposite one another, the cross-sectional area of said central opening of said third baffle being at least as great as the cross-sectional area of said central opening of said second baffle, said third baffle extending to said walls of said vessel; a second plurality of swirl vanes connected to aid second baffle on the downstream side of said second baffle and connected to said third baffle on the upstream side of said third baffle, said second plurality of swirl vanes being curved in a direction that is opposite to the direction in which said first plurality of swirl vanes is curved, said second plurality of swirl vanes being positioned to direct fluids passing between said second baffle and said third baffle in a swirling manner toward the axis of said vessel that is parallel to the flow of fluids through said vessel and subsequently through said central opening of said third baffle; a third plurality of swirl vanes connected to the downstream side of said third baffle; and a fourth baffle that is connected to said third baffle and is positioned on the downstream side of said third baffle directly opposite said central opening of said third baffle and that is firmly attached to a third plurality of swirl vanes, said third plurality of swirl vanes being positioned to direct the fluids that are passing through said central opening of said third baffle and that are impinging upon the top of said fourth baffle in a swirling motion toward said walls of said vessel, said fourth baffle being an inverted conical baffle having its apex toward the downstream side of said third baffle and being curved in such a manner as to direct the fluids outwardly from the axis of said vessel towards said walls of said vessel.
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) | 1977-01-21 | 1977-07-23 | 1978-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-01-21 | 1981-07-23 | 1982-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-01-21 | 1985-07-23 | 1986-01-22 | $7700.00 | Window Closed / Lapsed |