EP3797142A1 - Stacked slab coke oven corbel structures - Google Patents
Stacked slab coke oven corbel structuresInfo
- Publication number
- EP3797142A1 EP3797142A1 EP18773672.3A EP18773672A EP3797142A1 EP 3797142 A1 EP3797142 A1 EP 3797142A1 EP 18773672 A EP18773672 A EP 18773672A EP 3797142 A1 EP3797142 A1 EP 3797142A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- fuel gas
- slabs
- combustion air
- corbel structure
- structure according
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B29/00—Other details of coke ovens
- C10B29/02—Brickwork, e.g. casings, linings, walls
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D1/00—Casings; Linings; Walls; Roofs
- F27D1/04—Casings; Linings; Walls; Roofs characterised by the form, e.g. shape of the bricks or blocks used
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D1/00—Casings; Linings; Walls; Roofs
- F27D1/04—Casings; Linings; Walls; Roofs characterised by the form, e.g. shape of the bricks or blocks used
- F27D1/06—Composite bricks or blocks, e.g. panels, modules
- F27D1/063—Individual composite bricks or blocks
Definitions
- the embodiments disclosed herein relate generally to coke ovens, especially corbel structures associated with coke ovens.
- the corbel structures disclosed herein are formed of an assembly of multiple stacked monolithic refractory slabs forming respective tiers of the corbel.
- Coke ovens traditionally comprise massive refractory brick structures in which there are batteries of adjacent parallel walls made up from a large variety of differently shaped refractory bricks.
- the bricks must be able to withstand high temperatures and strong mechanical loading.
- the interior of the walls contains flue ducts, burners, flue gas control passages, fuel gas passages, combustion gas passages and the like.
- the detailed design of the oven is usually quite complicated in order to obtain the necessary heat distribution within the oven and gas flows through the walls.
- the coke oven corbel structures of the embodiments disclosed herein include an assembly of a multiple number of stacked refractory slabs defining a corresponding multiple number of tiers of the corbel structure, wherein the multiple number of stacked refractory slabs define a pair of substantially vertically oriented central fuel gas
- each of the combustion air passageways may comprise an inclined segment between a bottom opening and a top opening thereof.
- at least one of the combustion air passageways may include a vertically oriented segment in at least one of the slabs.
- at least two of the slabs define vertically oriented segments of at least one of the combustion air passageways.
- At least one of the slabs may define a pair of elongate parallel grooves in an upper surface thereof and a pair of elongate tongues protruding from a bottom surface thereof so as to mate with respectively corresponding pairs of elongate tongues and grooves formed in superjacent and subjacent slabs in the stack.
- At least a plurality of the slabs in the stack may partially define an additional combustion air passageway associated with an adjacent flue of the coke oven.
- a stacked plurality of edge blocks may optionally be provided at side edges of at least a plurality of slabs in the stack.
- at least one of the slabs in the stack may comprise a finger element protruding from one end thereof.
- FIG. 1 is a perspective view showing an exemplary stacked slab coke oven corbel structure adapted to servicing an adjacent pair of flues in a coke oven in accordance with an embodiment of the present invention
- FIG. 2 is a right front perspective view of thereof
- FIG. 3 is a right rear perspective view thereof
- FIG. 4 is a left rear perspective view thereof
- FIG. 5 is a bottom perspective view thereof
- FIG. 6 is a front end elevation view thereof
- FIG. 7 is a rear end elevation view thereof
- FIG. 8 is a top plan view thereof
- FIG. 9 is a bottom plan view thereof.
- FIG. 10 is a left side elevation view thereof
- FIG. 1 1 is a right side elevation view thereof
- FIG. 12 is a cross-sectional elevation view thereof as taken along line 12-12 in FIG. 8;
- FIG. 13 is a cross-sectional elevation view thereof as taken along line 13-13 in FIG. 8;
- FIGS. 14-28 depict a monolithic slab of the corbel structure depicted in FIGS. 1 -13 forming a first tier thereof, wherein FIGS. 14 and
- FIGS. 15 are a right front and rear perspective views thereof, respectively, FIGS.
- FIGS. 16 and 17 are left front and rear perspective views thereof, respectively;
- FIG. 18 is a bottom perspective view thereof, respectively;
- FIGS. 19 and 20 are top and bottom plan views thereof, respectively;
- FIGS. 21 and 22 are front and rear end elevation views thereof, respectively;
- FIGS. 23 and 24 are right and left side elevation views thereof, respectively;
- FIGS. 25- 28 are cross-sectional elevational views thereof as taken along lines 25- 25, 26-26, 27-27 and 28-28 in FIG. 19, respectively;
- FIGS. 29-43 depict a monolithic slab of the corbel structure depicted in FIGS. 1 -13 forming a second tier thereof, wherein FIGS. 29 and 30 are a right front and rear perspective views thereof, respectively, FIGS. 31 and 32 are left front and rear perspective views thereof, respectively; FIG. 33 is a bottom perspective view thereof, respectively; FIGS. 34 and 35 are top and bottom plan views thereof, respectively; FIGS. 36 and 37 are front and rear end elevation views thereof, respectively; FIGS. 38 and 39 are right and left side elevation views thereof, respectively; FIGS. 40-43 are cross-sectional elevational views thereof as taken along lines 40-40, 41 -41 , 42-42 and 43-43 in FIG. 36, respectively;
- FIGS. 44-58 depict a monolithic slab of the corbel structure depicted in FIGS. 1 -13 forming a third tier thereof, wherein FIGS. 44 and
- FIGS. 45 are a right front and rear perspective views thereof, respectively, FIGS.
- FIGS. 46 and 47 are left front and rear perspective views thereof, respectively;
- FIG. 48 is a bottom perspective view thereof, respectively;
- FIGS. 49 and 50 are front and rear end elevation views thereof, respectively;
- FIGS. 51 and 52 are top and bottom plan views thereof, respectively;
- FIGS. 53 and 54 are right and left side elevation views thereof, respectively;
- FIGS. 55- 58 are cross-sectional elevational views thereof as taken along lines 55- 55, 56-56, 57-57 and 58-58 in FIG. 51 , respectively;
- FIGS. 59-73 depict a monolithic slab of the corbel structure depicted in FIGS. 1 -13 forming a fourth tier thereof, wherein FIGS. 59 and
- FIGS. 60 are a right front and rear perspective views thereof, respectively, FIGS.
- FIGS. 61 and 62 are left front and rear perspective views thereof, respectively;
- FIG. 63 is a bottom perspective view thereof, respectively;
- FIGS. 64 and 65 are front and rear end elevation views thereof, respectively;
- FIGS. 66 and 67 are top and bottom plan views thereof, respectively;
- FIGS. 68 and 69 are right and left side elevation views thereof, respectively;
- FIGS. 70- 73 are cross-sectional elevational views thereof as taken along lines 70- 70, 71 -71 , 72-72 and 73-73 in FIG. 66, respectively; and
- FIGS. 74-88 depict a monolithic slab of the corbel structure depicted in FIGS. 1 -13 forming a fifth tier thereof, wherein FIGS. 74 and
- FIGS. 75 are a right front and rear perspective views thereof, respectively, FIGS.
- FIGS. 76 and 77 are left front and rear perspective views thereof, respectively;
- FIG. 78 is a bottom perspective view thereof, respectively;
- FIGS. 79 and 80 are front and rear end elevation views thereof, respectively;
- FIGS. 81 and 82 are top and bottom plan views thereof, respectively;
- FIGS. 83 and 84 are right and left side elevation views thereof, respectively;
- FIGS. 85- 88 are cross-sectional elevational views thereof as taken along lines 85- 85, 86-86, 87-87 and 88-88 in FIG. 81 , respectively.
- FIGS. 1 -13 show an exemplary corbel structure 10 in accordance with an embodiment of the present invention.
- a conventional coke oven battery will include a number of spaced apart piers (not shown), each supporting a corbel structure 10 and defining therebetween regenerator regions provided with checker bricks (not shown).
- the corbel structures 10 in turn support the refractory walls and floors of the individual coke ovens (not shown).
- the corbel structure 10 is comprised of essentially five tiers or courses T1 , T2, T3, T4 and T5 (see FIG. 1 ) each of which includes a monolithic corbel slab 100, 200, 300, 400 and 500, respectively, stacked one on top of another as will be described in greater detail below.
- the courses 100, 200, 300 and 400 collectively define central substantially vertically oriented central fuel gas
- a stacked plurality of fuel gas blocks 22, 32 defining central fuel gas conduit 24, 34 are positioned within the central passageways 20, 30, respectively.
- the fuel gas blocks 22, 32 may be configured as described in the above-identified US Published Patent Application No. 2016/0281983.
- a number of lateral edge blocks may be provided at each lateral edge of a central slab 100, 200 and 300 forming tiers T1 , T2 and T3, respectively. Design needs may dictate that other configurations and/or numbers of such lateral edge blocks are provided depending on the particular corbel needed for a particular coke oven.
- FIGS. 14-28 depict the structural details of the central slab 100 forming the first tier T 1 of the corbel 10. As can be seen, the slab 100 defines an initial vertically oriented fuel gas
- a central finger element 102 extending from a front end of the slab 100 may be provided with asymmetrically dimensioned sides so as to mate with corresponding refractory blocks of an adjacent corbel structure (not shown).
- an opposed pair of laterally extending finger elements 104, 106 may extend from opposed side edges of the slab 100 so as to mate with corresponding refractory blocks of the corbel wall (not shown).
- the top surface 1 10 of the slab 100 may be provided with longitudinally extending parallel arcuate grooves 1 10a-1 10e, while the bottom surface 1 12 of the slab 100 is provided with outwardly projecting parallel arcuate tongues 112a-112c (see FIG. 18).
- FIGS. 29-43 depict the structural details of the central slab 200 forming the second tier T2 of the corbel 10.
- the slab 200 defines intermediate vertically oriented fuel gas passageway portions 20-2, 30-2 of the central fuel gas passageways 20, 30, respectively, as well as intermediate inclined combustion air passageway portions 40-2, 50-2, 60-2 and 70-2 of the lateral combustion air passageways 40, 50, 60 and 70, respectively.
- An asymmetrically off-set finger element 202 extending from a front end of the slab 200 may be provided so as to mate with
- an inside edge of the finger element 202 and a portion of the end edge of the slab 200 will at least partially define a central fuel gas passageway associated with an adjacent flue of the coke oven (not shown).
- an opposed pair of laterally extending finger elements 204, 206 may extend from opposed side edges of the slab 200 so as to mate with corresponding refractory blocks of the corbel wall (not shown).
- An additional inclined passageway portion 80-2 is defined in the slab 200 rearwardly of the finger element 202 so as to communicate with portion of combustion air passageway associated with a laterally adjacent corbel structure servicing an adjacent flue of the coke oven (not shown).
- the top surface 210 of the slab 200 may be provided with longitudinally extending parallel arcuate grooves 210a-210c, while the bottom surface 212 of the slab 200 is provided with outwardly projecting parallel arcuate tongues 212a-112e (see FIG. 33) which are sized and configured to be received within the grooves 1 10a-1 10e, respectively, of the slab 100 when the slab 200 is positioned in a stacked relationship on the top surface 1 10 of the slab 100 when constructing the corbel 10.
- FIGS. 44-58 depict the structural details of the central slab 300 forming the third tier T3 of the corbel 10.
- the slab 300 defines intermediate vertically oriented fuel gas passageway portions 20-3, 30-3 of the central fuel gas passageways 20, 30, respectively, as well as intermediate inclined combustion air passageway portions 40-3, 50-3, 60-3 and 70-3 of the lateral combustion air passageways 40, 50, 60 and 70, respectively.
- a notch 82-3 is formed at the front end of the slab 300 so as to mate with the inside edge of the finger element 202 and rear edges of the slab 200 so as to further establish a central fuel gas passageway associated with an adjacent flue of the coke oven (not shown).
- An opposed pair of laterally extending finger elements 304, 306 may extend from opposed side edges of the slab 300 so as to mate with
- the top surface 310 of the slab 200 may be provided with longitudinally extending parallel arcuate grooves 210a-210c, while the bottom surface 312 of the slab 300 is provided with outwardly projecting parallel arcuate tongues 312a-312c (see FIG. 48) which are sized and configured to be received within the grooves 210a-210c, respectively, of the slab 200 when the slab 300 is positioned in a stacked relationship on the top surface 210 of the slab 200 when constructing the corbel 10.
- FIGS. 59-73 depict the structural details of the central slab 400 forming the fourth tier T4 of the corbel 10.
- the slab 400 defines intermediate vertically oriented fuel gas passageway portions 20-4, 30-4 of the central fuel gas passageways 20, 30, respectively, as well as intermediate inclined combustion air passageway portions 40-4, 50-4, 60-4 and 70-4 of the lateral combustion air passageways 40, 50, 60 and 70, respectively.
- a U-shaped notch 80-4 having an inclined interior wall is asymmetrically formed at the front end of the slab 400 so as to mate with the passageway 80-3 formed in the subjacent slab 300 so as to further establish a central fuel gas passageway associated with an adjacent flue of the coke oven (not shown).
- An opposed pair of notches 404, 406 are defined in the correspondingly opposed side edges of the slab 400 so as to mate with an edge block associated with the corbel wall (not shown).
- the top surface 410 of the slab 400 is smoothly planar while the bottom surface 412 of the slab 400 is provided with outwardly projecting parallel arcuate tongues 412a-412b (see FIG. 63) which are sized and configured to be received within the grooves 310a-310b, respectively, of the slab 300 when the slab 400 is positioned in a stacked relationship on the top surface 310 of the slab 300 when constructing the corbel 10.
- FIGS. 74-88 depict the structural details of the central slab 500 forming the fifth tier T5 of the corbel 10.
- the slab 500 defines intermediate vertically oriented fuel gas passageway portions 20-5, 30-5 of the central fuel gas passageways 20, 30, respectively, as well as intermediate inclined combustion air passageway portions 40-5, 50-5, 60-5 and 70-5 of the lateral combustion air passageways 40, 50, 60 and 70, respectively.
- a blind notch 80-5 having an inclined interior wall is asymmetrically formed in the bottom surface 512 at the front end of the slab 500 so as to mate with the U-shaped notch 80-4 formed in the subjacent slab 400 so as to further establish a central fuel gas
- An opposed pair of forwardly projecting fingers 404, 506 are defined at the rear edge of the slab 500.
- the top surface 510 of the slab 400 may be provided with longitudinally extending parallel arcuate grooves 510a, 510b so as to allow additional refractory blocks and/or slabs (not shown) to be stacked thereon when constructing the corbel 10.
- the bottom surface 512 of the slab 500 is however smoothly planar so as to be positioned directly against the correspondingly smoothly planar top surface 410 of the subjacent slab 400 when the former is stacked on top of the latter when constructing the corbel structure 10.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Furnace Housings, Linings, Walls, And Ceilings (AREA)
Abstract
Description
Claims
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/US2018/034120 WO2019226159A1 (en) | 2018-05-23 | 2018-05-23 | Stacked slab coke oven corbel structures |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3797142A1 true EP3797142A1 (en) | 2021-03-31 |
Family
ID=63667996
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP18773672.3A Withdrawn EP3797142A1 (en) | 2018-05-23 | 2018-05-23 | Stacked slab coke oven corbel structures |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP3797142A1 (en) |
WO (1) | WO2019226159A1 (en) |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2319595B (en) | 1995-08-01 | 1999-11-17 | Bhp Refractories Pty Ltd | Coke oven |
US8266853B2 (en) | 2009-05-12 | 2012-09-18 | Vanocur Refractories Llc | Corbel repairs of coke ovens |
CN107075380B (en) * | 2014-11-21 | 2021-02-26 | 福斯贝尔有限公司 | Coke oven corbel structure and forming method thereof |
JP2018507951A (en) | 2015-03-12 | 2018-03-22 | フォスベル・インコーポレイテッド | Coke oven corbel structure |
CA2981011C (en) | 2015-03-26 | 2022-11-15 | Fosbel, Inc. | Coke oven corbel structures |
-
2018
- 2018-05-23 WO PCT/US2018/034120 patent/WO2019226159A1/en unknown
- 2018-05-23 EP EP18773672.3A patent/EP3797142A1/en not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
WO2019226159A1 (en) | 2019-11-28 |
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