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WO2011042101A1 - Sinter cooler with seal arrangement towards travelling sinter-bearing chamber - Google Patents

Sinter cooler with seal arrangement towards travelling sinter-bearing chamber Download PDF

Info

Publication number
WO2011042101A1
WO2011042101A1 PCT/EP2010/005519 EP2010005519W WO2011042101A1 WO 2011042101 A1 WO2011042101 A1 WO 2011042101A1 EP 2010005519 W EP2010005519 W EP 2010005519W WO 2011042101 A1 WO2011042101 A1 WO 2011042101A1
Authority
WO
WIPO (PCT)
Prior art keywords
sinter
base plate
cooling
wheel axle
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.)
Ceased
Application number
PCT/EP2010/005519
Other languages
French (fr)
Inventor
Alan Chambers
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Metso Corp
Original Assignee
Outotec Oyj
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Outotec Oyj filed Critical Outotec Oyj
Priority to ES10757157.2T priority Critical patent/ES2567167T3/en
Priority to BR112012008183A priority patent/BR112012008183B8/en
Priority to AU2010305132A priority patent/AU2010305132B2/en
Priority to EA201290182A priority patent/EA023251B1/en
Priority to UAA201203708A priority patent/UA103115C2/en
Priority to EP10757157.2A priority patent/EP2486160B1/en
Publication of WO2011042101A1 publication Critical patent/WO2011042101A1/en
Priority to ZA2012/02063A priority patent/ZA201202063B/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

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, com- prising 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.
  • 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.
  • 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. 1 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. 5B show two oblique views (from inside and from outside) of a wheel axle cutout seal
  • 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.
  • 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, neoprene is preferably used. Due to the possibly provided outer skirting plate 8, 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)

Abstract

This invention relates to 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), wherein 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).

Description

SINTER COOLER WITH SEAL ARRANGEMENT TOWARDS TRAVELLING
SINTER-BEARING CHAMBER
This invention relates to a sinter cooler of a sintering plant for use in metallurgy, com- prising 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.
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 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.
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 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.
List of Reference Numerals:
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

Claims:
1. 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).
2. 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).
3. The sinter cooler according to claim 1 or 2, characterized in that the sealing elements (6) are made of neoprene.
4. 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).
PCT/EP2010/005519 2009-10-08 2010-09-08 Sinter cooler with seal arrangement towards travelling sinter-bearing chamber Ceased WO2011042101A1 (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
ES10757157.2T ES2567167T3 (en) 2009-10-08 2010-09-08 Sinter cooler with hermetic closure arrangement towards a movable chamber that supports the sinter
BR112012008183A BR112012008183B8 (en) 2009-10-08 2010-09-08 SINTER COOLER WITH SEALING ARRANGEMENT TO DISPLACE SINTER SUPPORT CHAMBER
AU2010305132A AU2010305132B2 (en) 2009-10-08 2010-09-08 Sinter cooler with seal arrangement towards travelling sinter-bearing chamber
EA201290182A EA023251B1 (en) 2009-10-08 2010-09-08 Sinter cooler with seal arrangement towards travelling sinter-bearing chamber
UAA201203708A UA103115C2 (en) 2009-10-08 2010-09-08 Sinter cooler with seal arrangement towards travelling sinter-bearing chamber
EP10757157.2A EP2486160B1 (en) 2009-10-08 2010-09-08 Sinter cooler with seal arrangement towards travelling sinter-bearing chamber
ZA2012/02063A ZA201202063B (en) 2009-10-08 2012-03-20 Sinter cooler with seal arrangement towards travelling sinter-bearing chamber

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102009048723.9A DE102009048723B4 (en) 2009-10-08 2009-10-08 sinter cooler
DE102009048723.9 2009-10-08

Publications (1)

Publication Number Publication Date
WO2011042101A1 true WO2011042101A1 (en) 2011-04-14

Family

ID=43304645

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2010/005519 Ceased WO2011042101A1 (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)

Cited By (1)

* Cited by examiner, † Cited by third party
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

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102020127161A1 (en) * 2020-10-15 2022-04-21 Aktiebolaget Skf Wheel arrangement for a grate car in a sinter plant

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4238120A (en) * 1978-10-11 1980-12-09 Dravo Corporation Sealing device for sinter cooler
JPS6170379A (en) * 1984-09-12 1986-04-11 日立造船株式会社 Cooling device for high temperature powder and granular materials
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 Axle end sealing device of ring cooling machine
WO2009030177A1 (en) * 2007-09-03 2009-03-12 Zhongye Changtian International Engineering Co., Ltd. A circularly cooling machine, and the sealing unit for the pallet of circular cooling machine
WO2009030180A1 (en) * 2007-09-03 2009-03-12 Zhongye Changtian International Engineering Co., Ltd. A circular cooling machine

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4238120A (en) * 1978-10-11 1980-12-09 Dravo Corporation Sealing device for sinter cooler
JPS6170379A (en) * 1984-09-12 1986-04-11 日立造船株式会社 Cooling device for high temperature powder and granular materials
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 Axle end sealing device of ring cooling machine
WO2009030177A1 (en) * 2007-09-03 2009-03-12 Zhongye Changtian International Engineering Co., Ltd. A circularly cooling machine, and the sealing unit for the pallet of circular cooling machine
WO2009030180A1 (en) * 2007-09-03 2009-03-12 Zhongye Changtian International Engineering Co., Ltd. A circular cooling machine

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
DATABASE WPI Week 198621, Derwent World Patents Index; AN 1986-134076, XP002617064 *
DATABASE WPI Week 200240, Derwent World Patents Index; AN 2002-369999, XP002617084 *
DATABASE WPI Week 200863, Derwent World Patents Index; AN 2008-K50947, XP002617063 *

Cited By (1)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
DE102009048723B4 (en) 2015-06-11
UA103115C2 (en) 2013-09-10
ES2567167T3 (en) 2016-04-20
BR112012008183A2 (en) 2016-03-01
AU2010305132B2 (en) 2014-12-04
AU2010305132A1 (en) 2012-04-26
EP2486160B1 (en) 2016-01-27
BR112012008183B1 (en) 2018-01-02
DE102009048723A1 (en) 2011-04-28
EP2486160A1 (en) 2012-08-15
EA201290182A1 (en) 2012-11-30
EA023251B1 (en) 2016-05-31
ZA201202063B (en) 2013-05-29
BR112012008183B8 (en) 2023-03-28

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