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公开(公告)号：EP4286546A1
公开(公告)日：2023-12-06
申请号：EP23158155.4
申请日：2023-02-23
摘要： The invention relates to a method for the manufacturing of sinter material from sinter granules that contain a seed grain and a layer of fine particles against at least part of the seed grain, from sinter feed materials comprising one or more iron ores, sinter return fines and one or more additives, wherein the particle size distribution of each of the iron ores and at least one of the other sinter feed materials have a close fit to a desired particle size distribution for the particles for the sinter granules.
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公开(公告)号：EP4143352A1
公开(公告)日：2023-03-08
申请号：EP21721131.7
申请日：2021-04-29
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公开(公告)号：EP3904544A1
公开(公告)日：2021-11-03
申请号：EP20172392.1
申请日：2020-04-30
摘要： Die vorliegende Erfindung betrifft das Gebiet des Sinterns in der Eisenmetallurgie.
Die Aufgabe der vorliegenden Erfindung ist es einen optimalen Betrieb einer Sinteranlage zu ermöglichen, indem ein maximaler Luftdurchgang durch die Sintergutmischung ermöglicht wird.
Die Aufgabe wird durch ein Verfahren, eine Signalverarbeitungsvorrichtung, einen maschinenlesbaren Code zum Einstellen der Permeabilität gelöst. Durch ein datenbasiertes online Modell für die Permeabilität wird ein Sollwert für den Feuchtegehalt der Sintergutmischung, bei welcher ein Maximum der Permeabilität der Sintergutmischung auftritt, bestimmt. Das datenbasierte online Modell weist - zur laufenden Aktualisierung - als Eingangsgröße Daten von zumindest einem Feuchtegehalt und der Permeabilität der Sintergutmischung auf. Der bestimmte Feuchtegehalt wird als Sollwert an einen Feuchtigkeitszugabe-Regler übergeben.-
公开(公告)号：EP3892744A1
公开(公告)日：2021-10-13
申请号：EP19891967.2
申请日：2019-08-26
发明人： YAMAMOTO Tetsuya , HIGUCHI Takahide , HIROSAWA Toshiyuki , IWASE Kazumi , TAKEHARA Kenta , FUJIWARA Shohei , JINNO Tetsuya , WATANABE Soichiro , TAMURA Koichi
摘要： Proposed is a method effective for increasing production rate of sintered ore by using a granulated raw material for sintering contributing to reduction in size of a wet zone generated in a raw material charged layer on a pallet of a sintering machine. The method is a method for sintering in which a compounded raw material for sintering containing not less than 10 mass% of fine powdery iron ore with a particle size of not more than 150 µm is granulated in a granulator by blowing steam into the granulator such that a granulated raw material for sintering to be charged onto the pallet is heated and humidified to have a temperature higher than a starting temperature of the compounded raw material for sintering before the charging into the granulator by not lower than 10°C.
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公开(公告)号：EP3617334A1
公开(公告)日：2020-03-04
申请号：EP18790529.4
申请日：2018-04-20
IPC分类号： C22B1/20
摘要： Uneven sintering is prevented in a sintering machine, and thus sintered ore having high strength and a high lump yield rate is manufactured. A method for manufacturing sintered ore comprising: charging sintering raw material comprising fine ore and carbon material on a circulatively moving pallet to form a raw material layer; igniting the carbon material on a surface of the raw material layer and sucking air from above the raw material layer down to below the palette so that the air is introduced into the raw material layer; and combusting the carbon material in the raw material layer to thereby manufacture sintered ore, wherein fuel gas is discharged from a nozzle at a flow speed of 40 Nm/s or more, the discharged fuel gas is combusted to generate combustion gas, and the combustion gas is used for the igniting the carbon material.
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公开(公告)号：EP3587975A1
公开(公告)日：2020-01-01
申请号：EP18757056.9
申请日：2018-02-19
发明人： SEKIGUCHI Takeshi
摘要： Provided is a sintering machine, which makes it possible to effectively prevent gas leakage to secure high safety and also to increase the exhaust gas circulation amount.
A sintering machine (50) according to the present invention includes a sinter strand (6) having pallet cars that run on rails on a floor, and is used for producing sintered ore by, while the pallet cars are travelling, continuously burning sinter feed piled on the pallet cars, the machine (50) including: an exhaust duct (2) with a blower (14) for sucking exhaust gas from below the sinter strand (6) and discharging it to the outside; an exhaust gas circulating hood (1) over the pallet cars; an exhaust gas circulating duct (3) connecting between the exhaust duct (2) and the hood (1); and a seal portion hermetically sealing a gap between the hood (1) and the floor, and being configured to keep pressure of the inside of the hood (1) at or below the atmospheric pressure.-
公开(公告)号：EP3489371A1
公开(公告)日：2019-05-29
申请号：EP17203633.7
申请日：2017-11-24
摘要： The invention relates to a scraper device for scraping a segregation plate in a sinterfeed assembly, wherein the feed assembly comprises a support structure, a feed bunker for a sinter feed material, wherein the feed bunker is provided with an inlet and an outlet, and a feed roller at the outlet of the feed bunker, wherein the scraper device is mounted in the support structure and the segregation plate is mounted movable in the support structure such that with the movement of the segregation plate at least part of the side of the segregation plate facing the feed roller is scraped by the scraper device.
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8.发明公开
公开(公告)号：EP3417080A1
公开(公告)日：2018-12-26
申请号：EP17710133.4
申请日：2017-02-17
申请人： Outotec (Finland) Oy
发明人： STRÜBER, Georg , SCHUSTER, Markus , SCHIMO, Siegfried , VALERY, Roberto , WINKLER, Stephanie , RANNANTIE, Suvi , BERGMANN, Matthias , HOFMANN, Karl-Heinz , KREMMER, Katharina , SIAUW, Vincent , SALAGUNDI, Basavan , STRÖDER, Michael , BECKER, Roger
CPC分类号： C22B1/2413 , C22B1/16 , C22B1/20 , F27B21/06 , F27D3/123 , Y02P10/216
摘要： The present invention relates to a method for charging pallet cars of a traveling grate for the thermal treatment of bulk material. In a first step a first layer is applied as hearth layer on a grate surface of the pallet car. In at least one second step a second layer at the same time or successively is applied as side layer on two opposed side walls of the pallet car and a third layer is applied as green pellet layer between the side layers and on the hearth layer. The pellets used for grate and side layer differ in terms of their diameter and size distribution.
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公开(公告)号：EP2365101B1
公开(公告)日：2018-10-03
申请号：EP09830482.7
申请日：2009-11-30
发明人： OHYAMA, Nobuyuki
摘要： Proposed is a method for producing sintered ore by feeding a gaseous fuel on the downstream side of an ignition furnace of a sintering machine, in which the amount of carbonaceous material contained in the sintering raw material is optimized in relation to the gaseous fuel, whereby high-strength, high-quality sintered ore can be stably produced, and the CO 2 generation amount can be reduced. The method for producing sintered ore includes a charging step of charging a sintering raw material including fine ore and a carbonaceous material onto a pallet; an ignition step of igniting the carbonaceous material in the surface of the sintering bed; a gaseous fuel feeding step of feeding a gaseous fuel above the sintering bed; and a sintering step of sucking the diluted gaseous fuel and air with a wind box disposed under the pallet into the sintering bed, combusting the carbonaceous material in the sintering bed and combusting the diluted gaseous fuel in the sintering bed in which the carbonaceous material has been combusted, to thereby perform sintering. The amount of carbonaceous material in the sintering raw material is reduced compared with the case where the gaseous fuel is not fed, and preferably, reduced in the amount equivalent to or more than the combustion heat of the gaseous fuel to be fed in the gaseous fuel feeding step.
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公开(公告)号：EP3084019B1
公开(公告)日：2018-05-02
申请号：EP14825167.1
申请日：2014-12-16
申请人： Outotec (Finland) Oy
发明人： KROGERUS, Helge , MÄKELÄ, Pasi , KIVINEN, Visa
CPC分类号： C22C35/005 , C21C5/5211 , C21C5/5229 , C21C7/0025 , C22B1/20 , C22B9/103 , C22B9/20 , C22C1/02 , C22C27/06 , C22C30/00 , C22C38/38
摘要： To produce manganese containing ferroalloy for steel production, an agglomeration mixture is produced which comprises chromite ore concentrate and manganese ore fines with a grain size smaller than 6-9 mm. The mixture is agglomerated to produce green agglomeration products, such as pellets or other types of agglomerates. The green agglomeration products are sintered in a steel belt sintering furnace to produce either sinter or sintered pellets. The sinter or sintered pellets are smelted in a submerged arc furnace to produce manganese and chromium containing ferroalloy. The ferroalloy produced by the method comprises 6.0-35 w-% manganese and 31-54 w-% chromium.
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