EP2486160B1 - Sinter cooler with seal arrangement towards travelling sinter-bearing chamber - Google Patents
Sinter cooler with seal arrangement towards travelling sinter-bearing chamber Download PDFInfo
- Publication number
- EP2486160B1 EP2486160B1 EP10757157.2A EP10757157A EP2486160B1 EP 2486160 B1 EP2486160 B1 EP 2486160B1 EP 10757157 A EP10757157 A EP 10757157A EP 2486160 B1 EP2486160 B1 EP 2486160B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- sinter
- base plate
- wheel axle
- cooling
- sealing
- 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.)
- Not-in-force
Links
- 238000007789 sealing Methods 0.000 claims description 33
- 238000001816 cooling Methods 0.000 claims description 25
- 239000000112 cooling gas Substances 0.000 claims description 10
- 239000011324 bead Substances 0.000 claims description 4
- 238000007667 floating Methods 0.000 claims description 3
- 229920001084 poly(chloroprene) Polymers 0.000 claims description 3
- 238000005272 metallurgy Methods 0.000 claims description 2
- 238000005245 sintering Methods 0.000 claims description 2
- 229920001971 elastomer Polymers 0.000 description 3
- 239000000806 elastomer Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B1/00—Preliminary treatment of ores or scrap
- C22B1/26—Cooling of roasted, sintered, or agglomerated ores
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B21/00—Open or uncovered sintering apparatus; Other heat-treatment apparatus of like construction
- F27B21/02—Sintering grates or tables
-
- 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
- F27D15/00—Handling or treating discharged material; Supports or receiving chambers therefor
- F27D15/02—Cooling
Definitions
- This invention relates to a sinter cooler of a sintering plant for use in metallurgy, comprising a cooling-air chamber and a sinter cooling chamber including a perforated or slotted base plate, which can travel over the same e.g. by means of bogie wheels running on a rail track, and comprising a cooling gas seal including lower sealing walls, which extends between the cooling-air chamber and the sinter cooling chamber in the vicinity of the base plate wheel axle.
- CN 201 032 375 discloses a sealing device for a circular cooling machine running with bogie wheels on a rail track.
- the device has an airtight box mounted around the wheel axle and comprising plates that are separately connected with fixed rubber airproof plates.
- the cooling gas seal carried along with the sinter cooling chamber includes inner skirting plates and/or outer sealing elements each inserted into the sealing walls, wherein the respective skirting plate or the respective sealing element encloses the base plate wheel axle with snug fit and is mounted on the sealing wall so as to be freely movable relative to the base plate wheel axle.
- skirting plates and/or the sealing elements are arranged to be freely floating around the base plate wheel axle and take up the movement of the base plate wheel axle.
- the sealing elements arranged on the outside in particular can be made of neoprene.
- the respective skirting plate can have an elastically resilient edge bead which rests against the base plate wheel axle and preferably is adapted to the thickness of the sealing wall.
- a sinter cooling chamber 1 can travel over a cooling-air chamber 3 for example by means of bogie wheels 2, so that cooling air supplied into the cooling-air chamber 3 by means of a blower can be introduced via a perforated or slotted base plate 4 into the sinter cooling chamber 1 which contains the hot sinter material to be cooled.
- the hot waste air is discharged upwards from the sinter cooling chamber 1 and supplied e.g. to a heat recovery.
- a cooling gas seal 5 includes inner skirting plates 8 and/or outer sealing elements 6 made of a heat-resistant elastomer for the wheel axle cutouts around the base plate wheel axles 7.
- the respective skirting plate 8 and/or the respective sealing element 6 of the cooling gas seal 5 carried along with the sinter cooling chamber 1 encloses the base plate wheel axle 7 with snug fit and is mounted on the bottom surface of lower sealing walls 9 so as to be freely movable relative to the base plate wheel axle 7.
- the skirting plates 8 and/or the sealing elements 6 preferably are arranged to be freely floating around the base plate wheel axle 7, so that they can take up the movement of the base plate wheel axle 7.
- neoprene is preferably used as an elastomer for the sealing elements 6.
- the service life of the sealing elements 6 can substantially be increased, since they are exposed less to sinter dust and heat.
- Figures 4 to 6B illustrate special configurations of a template-like inner skirting plate 8 with edge bead 10 in accordance with the invention and of a template-like sealing element 6 with skirting plate 8 in accordance with the invention as well as the way of mounting a sealing element 6 in the lower sealing wall 9.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Tunnel Furnaces (AREA)
- Furnace Details (AREA)
- Manufacture And Refinement Of Metals (AREA)
Description
- This invention relates to a sinter cooler of a sintering plant for use in metallurgy, comprising a cooling-air chamber and a sinter cooling chamber including a perforated or slotted base plate, which can travel over the same e.g. by means of bogie wheels running on a rail track, and comprising a cooling gas seal including lower sealing walls, which extends between the cooling-air chamber and the sinter cooling chamber in the vicinity of the base plate wheel axle.
- In such sinter coolers, sealing elements for sealing the gap around the base plate wheel axles previously have been used to avoid cooling air losses. In this way, the losses of the cooling air flowing from the cooling-air chamber to the sinter cooling chamber should be reduced, so that more cooling air passes through the holes of the perforated plate, in order to improve the cooling of the sinter material and reduce the operating costs. The previously used cooling air seal is subject to considerable wear, which involves a frequent renewal of the sealing elements to be performed by hand.
-
CN 201 032 375 discloses a sealing device for a circular cooling machine running with bogie wheels on a rail track.The device has an airtight box mounted around the wheel axle and comprising plates that are separately connected with fixed rubber airproof plates. - It is the object of the present invention to equip a sinter cooler as mentioned above with a novel cooling gas seal, which with an improved durability safely reduces cooling air losses and hence the amount of required cooling air, which should lead to a saving of operating costs and improve the effectiveness of the cooler.
- In a sinter cooler as mentioned above, this object in particular is solved in that the cooling gas seal carried along with the sinter cooling chamber includes inner skirting plates and/or outer sealing elements each inserted into the sealing walls, wherein the respective skirting plate or the respective sealing element encloses the base plate wheel axle with snug fit and is mounted on the sealing wall so as to be freely movable relative to the base plate wheel axle.
- Due to this special kind of the formation and arrangement of the cooling gas seal, a self-compensating method is proposed for a reliable protection of the sealing elements, in order to avoid or reduce the wear thereof, which would lead to undesired cooling gas losses.
- This objective in particular is achieved when the skirting plates and/or the sealing elements are arranged to be freely floating around the base plate wheel axle and take up the movement of the base plate wheel axle.
- The sealing elements arranged on the outside in particular can be made of neoprene.
- The respective skirting plate can have an elastically resilient edge bead which rests against the base plate wheel axle and preferably is adapted to the thickness of the sealing wall.
- Further developments, advantages and possible applications of the invention can be taken from the following description of an embodiment and the attached drawing. All features described and/or illustrated form the subject-matter of the invention per se or in any combination, also independent of their inclusion in individual claims or their back-reference.
- In the drawing:
- Fig. 1
- schematically shows a section through a sinter cooler including the invention,
- Fig. 2
- shows a schematic partial view in the vicinity of a bogie wheel obliquely from below and inside onto the sinter cooling chamber of a sinter cooler as shown in
Fig. 1 , - Fig. 3
- shows a schematic partial view in the vicinity of a bogie wheel obliquely from above and outside onto the sinter cooling chamber of a sinter cooler as shown in
Fig. 1 , - Fig. 4
- shows an oblique view of a skirting plate to be mounted from the inside of a wheel cutout of a sinter cooling chamber as shown in
Fig. 1 , - Fig. 5A and Fig. 5B
- show two oblique views (from inside and from outside) of a wheel axle cutout seal, and
- Fig. 6A and Fig. 6B
- show the two steps of inserting a wheel axle cutout seal into the sealing wall of a sinter cooling chamber as shown in
Fig. 1 . - In such sinter cooler of the invention, a sinter cooling chamber 1 can travel over a cooling-
air chamber 3 for example by means ofbogie wheels 2, so that cooling air supplied into the cooling-air chamber 3 by means of a blower can be introduced via a perforated or slottedbase plate 4 into the sinter cooling chamber 1 which contains the hot sinter material to be cooled. The hot waste air is discharged upwards from the sinter cooling chamber 1 and supplied e.g. to a heat recovery. - A
cooling gas seal 5 includes innerskirting plates 8 and/orouter sealing elements 6 made of a heat-resistant elastomer for the wheel axle cutouts around the baseplate wheel axles 7. The respectiveskirting plate 8 and/or therespective sealing element 6 of thecooling gas seal 5 carried along with the sinter cooling chamber 1 encloses the baseplate wheel axle 7 with snug fit and is mounted on the bottom surface oflower sealing walls 9 so as to be freely movable relative to the baseplate wheel axle 7. - The
skirting plates 8 and/or thesealing elements 6 preferably are arranged to be freely floating around the baseplate wheel axle 7, so that they can take up the movement of the baseplate wheel axle 7. - As an elastomer for the
sealing elements 6, neoprene is preferably used. - Due to the possibly provided outer
skirting plate 8, the service life of thesealing elements 6 can substantially be increased, since they are exposed less to sinter dust and heat. -
Figures 4 to 6B illustrate special configurations of a template-like innerskirting plate 8 withedge bead 10 in accordance with the invention and of a template-like sealing element 6 withskirting plate 8 in accordance with the invention as well as the way of mounting asealing element 6 in thelower sealing wall 9. -
- 1
- sinter cooling chamber
- 2
- bogie wheels
- 3
- cooling-air chamber
- 4
- base plate
- 5
- cooling gas seal
- 6
- sealing elements for wheel axle cutout
- 7
- base plate wheel axle
- 8
- skirting plate for wheel axle cutout
- 9
- sealing walls.
- 10
- edge bead
Claims (4)
- A sinter cooler of a sintering plant for use in metallurgy, comprising a cooling-air chamber (3) and a sinter cooling chamber (1) including a perforated or slotted base plate (4), which can travel over the same e.g. by means of bogie wheels (2) running on a rail track, and comprising a cooling gas seal (5) including lower sealing walls (9), which extends between the cooling-air chamber (3) and the sinter cooling chamber (1) in the vicinity of the base plate wheel axle (7), characterized in that the cooling gas seal (5) carried along with the sinter cooling chamber (1) includes inner skirting plates (8) and/or outer sealing elements (6) each inserted into the sealing walls (9), wherein the respective skirting plate (8) or the respective sealing element (6) encloses the base plate wheel axle (7) with snug fit and is mounted on the sealing wall (9) so as to be freely movable relative to the base plate wheel axle (7).
- The sinter cooler according to claim 1, characterized in that the skirting plates (8) and/or the sealing elements (6) are arranged to be freely floating around the base plate wheel axle (7) and take up the movement of the base plate wheel axle (7).
- The sinter cooler according to claim 1 or 2, characterized in that the sealing elements (6) are made of neoprene.
- The sinter cooler according to any of the preceding claims, characterized in that the skirting plate (8) includes an edge bead (10), which rests against the base plate wheel axle (7) and preferably is adapted to the thickness of the sealing wall (9).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102009048723.9A DE102009048723B4 (en) | 2009-10-08 | 2009-10-08 | sinter cooler |
PCT/EP2010/005519 WO2011042101A1 (en) | 2009-10-08 | 2010-09-08 | Sinter cooler with seal arrangement towards travelling sinter-bearing chamber |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2486160A1 EP2486160A1 (en) | 2012-08-15 |
EP2486160B1 true EP2486160B1 (en) | 2016-01-27 |
Family
ID=43304645
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP10757157.2A Not-in-force EP2486160B1 (en) | 2009-10-08 | 2010-09-08 | Sinter cooler with seal arrangement towards travelling sinter-bearing chamber |
Country Status (9)
Country | Link |
---|---|
EP (1) | EP2486160B1 (en) |
AU (1) | AU2010305132B2 (en) |
BR (1) | BR112012008183B8 (en) |
DE (1) | DE102009048723B4 (en) |
EA (1) | EA023251B1 (en) |
ES (1) | ES2567167T3 (en) |
UA (1) | UA103115C2 (en) |
WO (1) | WO2011042101A1 (en) |
ZA (1) | ZA201202063B (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103134329A (en) * | 2013-03-25 | 2013-06-05 | 王滢 | Smooth roller wheel of ring cooling machine table car |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2844227C2 (en) * | 1978-10-11 | 1987-03-26 | Metallgesellschaft Ag, 6000 Frankfurt | Round cooler for hot lumpy material |
DE3037222A1 (en) * | 1980-10-02 | 1982-04-29 | TKV Transportanlagen - Konstruktions- und Vertriebs-Gesellschaft mbH, 6380 Bad Homburg | DEVICE FOR THE THERMAL TREATMENT OF PIECE OF GOODS IN CIRCULAR TROUGHS WITH GAS-PERMANENT FLOORS |
JPS6170379A (en) * | 1984-09-12 | 1986-04-11 | 日立造船株式会社 | Cooling device for high-temperature powdered and granular body |
KR20010108980A (en) * | 2000-06-01 | 2001-12-08 | 이구택 | Air tightness apparatus using wight of sinter cooler |
CN201032375Y (en) * | 2007-04-05 | 2008-03-05 | 中冶长天国际工程有限责任公司 | Trolley axle terminal sealing device for circular cooler |
CN100567868C (en) * | 2007-09-03 | 2009-12-09 | 中冶长天国际工程有限责任公司 | A kind of improved rotary forced-air cooler |
CN101118119B (en) * | 2007-09-03 | 2010-05-19 | 中冶长天国际工程有限责任公司 | Sealing structure used for ring cold machine trolley unit static sealing device |
-
2009
- 2009-10-08 DE DE102009048723.9A patent/DE102009048723B4/en not_active Expired - Fee Related
-
2010
- 2010-09-08 EA EA201290182A patent/EA023251B1/en not_active IP Right Cessation
- 2010-09-08 UA UAA201203708A patent/UA103115C2/en unknown
- 2010-09-08 BR BR112012008183A patent/BR112012008183B8/en not_active IP Right Cessation
- 2010-09-08 WO PCT/EP2010/005519 patent/WO2011042101A1/en active Application Filing
- 2010-09-08 ES ES10757157.2T patent/ES2567167T3/en active Active
- 2010-09-08 EP EP10757157.2A patent/EP2486160B1/en not_active Not-in-force
- 2010-09-08 AU AU2010305132A patent/AU2010305132B2/en not_active Ceased
-
2012
- 2012-03-20 ZA ZA2012/02063A patent/ZA201202063B/en unknown
Also Published As
Publication number | Publication date |
---|---|
BR112012008183A2 (en) | 2016-03-01 |
EP2486160A1 (en) | 2012-08-15 |
AU2010305132A1 (en) | 2012-04-26 |
BR112012008183B1 (en) | 2018-01-02 |
DE102009048723B4 (en) | 2015-06-11 |
EA023251B1 (en) | 2016-05-31 |
BR112012008183B8 (en) | 2023-03-28 |
EA201290182A1 (en) | 2012-11-30 |
UA103115C2 (en) | 2013-09-10 |
WO2011042101A1 (en) | 2011-04-14 |
ES2567167T3 (en) | 2016-04-20 |
AU2010305132B2 (en) | 2014-12-04 |
DE102009048723A1 (en) | 2011-04-28 |
ZA201202063B (en) | 2013-05-29 |
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