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公开(公告)号：US20240229174A9
公开(公告)日：2024-07-11
申请号：US18278022
申请日：2022-02-23
Applicant: ArcelorMittal
Inventor： Hugo DA GAMA CAMPOS , Jean-Martin VAN DER HOEVEN
CPC classification number: C21C5/4673 , C21B5/006 , C21B5/008 , C21B5/06 , C21B13/0073 , C21C5/38 , C21C5/462 , C21C5/527 , C21B2300/04 , C21C2100/02 , C21C2300/06
Abstract: A method to manufacture a global tonnage of steel products in at least two steelmaking units wherein expected level emissions are calculated and compared with pre-defined targets.
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公开(公告)号：US09573775B2
公开(公告)日：2017-02-21
申请号：US13984962
申请日：2012-02-20
Applicant: Kimihiro Shimono , Takahiro Takeda , Kazutoshi Teraoka , Fumihito Kasagi
Inventor： Kimihiro Shimono , Takahiro Takeda , Kazutoshi Teraoka , Fumihito Kasagi
Abstract: A Powder feeding system for feeding powder in a feed tank via a valve for powder downstream of the feed tank and through a powder delivery pipe, the Powder feeding system including: a powder fluidizing portion provided in the feed tank and configured to introduce fluidizing gas for fluidizing the powder; and a powder refluidizing portion provided between the powder fluidizing portion and the valve for powder and configured to introduce refluidizing gas for refluidizing the powder.
Abstract translation: 一种粉末进料系统，用于通过供给罐下游的粉末阀通过粉末输送管将粉末供给到进料罐中，所述粉末进料系统包括：粉末流化部，设置在所述进料罐中，并且构造成将流化气体引入 使粉末流化; 以及粉末回流部，其设置在所述粉末流化部和所述粉末用阀之间，并且构成为引入用于使所述粉末溶解的回流气体。
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3.发明授权Method for producing an agglomerate made of fine material containing metal oxide for use as a blast furnace feed material 有权一种用作高炉饲料的含有金属氧化物的精细材料制成的附聚物的方法公开(公告)号：US09175363B2
公开(公告)日：2015-11-03
申请号：US13375931
申请日：2010-06-04
Applicant: Theodor Günther , Matthias Blöser , Denise Alfenas Moreira , Arnd Pickbrenner , Christopher Pust , Wolfgang Rückert
Inventor： Theodor Günther , Matthias Blöser , Denise Alfenas Moreira , Arnd Pickbrenner , Christopher Pust , Wolfgang Rückert
CPC classification number: C21B5/02 , C21B5/008 , C22B1/16 , C22B1/20 , C22B1/205 , C22B1/24 , C22B1/2406 , C22B1/243
Abstract: The invention relates to a method for producing an agglomerate, which is used as a blast furnace feed material, by mixing a fine material containing metal and/or metal oxide, a mineral binder, which comprises a mineral raw material and a lime-based material, and optionally other additives to form a mass and solidifying the mass to form an agglomerate, wherein a raw material comprising a silicon oxide fraction of at least 40 wt %, a fine grain fraction of less than 4 μm of at least 20 wt %, and a grain size fraction of less than 1 μm of at least 10 wt % is used as the mineral raw material. The invention further relates to a blast furnace feed material that can be produced by means of the method according to the invention, and to a pre-mixture for producing the blast furnace feed material.
Abstract translation: 本发明涉及通过混合含有金属和/或金属氧化物的精细材料，矿物粘合剂，其包含矿物原料和石灰基材料，用于生产附聚物的方法，其用作高炉进料 和任选的其它添加剂以形成块体并固化物料以形成附聚物，其中包含至少40重量％的氧化硅部分，小于4μm的至少20重量％的细晶粒分数的原料， 使用小于1μm的至少10重量％的粒度分数作为矿物原料。 本发明还涉及可以通过根据本发明的方法生产的高炉进料，以及用于生产高炉进料的预混合物。
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公开(公告)号：US20150203930A1
公开(公告)日：2015-07-23
申请号：US14412914
申请日：2013-09-19
Applicant: MITSUBISHI HEAVY INDUSTRIES, LTD.
Inventor： Keiichi Nakagawa , Setsuo Omoto , Masakazu Sakaguchi , Tsutomu Hamada
IPC: C21B5/00
Abstract: On the basis of data obtained by means of analyzing coal, a first and second coal type satisfying conditions are selected, the ash melting point of the mixed coal resulting from mixing the first and second coal types is derived on the basis of a four-dimensional state diagram for SiO2—CaO—MgO-20% Al2O3, on the basis of the ash melting point of the mixed coal and the four-dimensional state diagram, an additive causing the ash melting point of the mixed coal to be at least 1400° C. at the lowest quantity when added to the mixed coal is selected from SiO2, MgO, and CaO, the addition quantity of the additive is derived, the first coal type and second coal type are mixed to result in the mixed coal, and the addition quantity of the additive is added to the mixed coal.
Abstract translation: 基于通过分析煤获得的数据，选择第一和第二煤型满足条件，从混合第一和第二煤类型得到的混合煤的灰熔点基于四维 基于混合煤的灰熔点和四维状态图的SiO 2-CaO-MgO-20％Al 2 O 3的状态图，使混合煤的灰分熔点至少为1400° 加入到混合煤中的最低量的C选自SiO 2，MgO和CaO，得到添加剂的添加量，混合第一种煤和第二种煤，形成混合煤， 向混合煤中加入添加剂的添加量。
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5.发明授权公开(公告)号：US08986601B2
公开(公告)日：2015-03-24
申请号：US13497855
申请日：2010-08-30
Applicant: Yuanhong Qi , Qingtao Wang , Dingliu Yan , Peimin Guo
Inventor： Yuanhong Qi , Qingtao Wang , Dingliu Yan , Peimin Guo
CPC classification number: F27B1/20 , C21B3/02 , C21B3/06 , C21B5/001 , C21B5/006 , C21B5/008 , C21B5/06 , C21B7/002 , C21B2100/02 , C21B2100/04 , C21B2100/44 , C21B2100/62 , C21B2100/66 , C21C2100/06 , Y02P10/265 , Y02P10/283 , Y02P10/286 , Y02W30/543
Abstract: A method of ironmaking using full-oxygen hydrogen-rich gas which includes hot transferring and hot charging the high-temperature coke, sinter and pellet into the ironmaking furnace through transferring and charging device, and injecting oxygen and hydrogen-rich combustible gas at a predetermined temperature into the ironmaking furnace through the oxygen tuyere and the gas tuyere disposed at the ironmaking furnace, respectively. It also provides an apparatus for ironmaking using full-oxygen hydrogen-rich gas which includes a raw material system, a furnace roof gas system, a coke oven gas injecting system, a dust injecting system, a slag dry-granulation and residual heat recovering system and an oxygen system. Additionally an apparatus and method for hot transferring and hot charging of ironmaking raw material is disclosed.
Abstract translation: 一种使用全氧富氢气体的炼铁方法，其包括热转移和热充填高温焦炭，通过转移和加料装置将其烧结并沉淀到炼铁炉中，并以预定的方式注入氧和富氢的可燃气体 分别通过氧气风口和设置在炼铁炉的气体风口进入炼铁炉。 它还提供了使用全氟富氢气体的炼铁装置，其包括原料系统，炉顶气体系统，焦炉气体注入系统，粉尘喷射系统，渣干造粒和剩余热回收系统 和氧气系统。 此外，公开了一种用于炼铁原料的热转移和热充填的装置和方法。
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Patent Agency Ranking
公开(公告)号：US08357224B2
公开(公告)日：2013-01-22
申请号：US12988515
申请日：2008-10-16
Applicant: Jiule Zhou
Inventor： Jiule Zhou
Abstract: A method of iron smelting in blast furnace with high temperature coal gas comprises the following steps: (1) charging raw materials consisting of pellets, basic sintered ore, coke and limestone into a blast furnace from top of the furnace, in which the amount of the coke is 125-210 kg per ton of molten iron, raw materials containing iron is composed of 90% pellets and 10% basic sintered ore, and ore grade is above 62%; (2) preheating coal gas to 1250-1450° C. with an horizontal high temperature blast heater, blowing the preheated coal gas having a thermal value of 11.7-12.5 mj/m3 into the blast furnace from top of the furnace at an amount of 1000 m3 per ton of molten iron and a pressure of 0.1-0.6 MPa; blowing air preheated to higher than 1250-1450° C. at an amount of 300-400 n m3 per ton of molten iron. The coal gas used in the method acts as a reducer and fuel, as a result the coke consumption would be reduced.
Abstract translation: 高炉煤气高炉铁冶炼方法包括以下步骤：（1）将由粒料，碱性烧结矿，焦炭，石灰石组成的原料从炉顶装入高炉， 焦炭每吨铁水125-210kg，含铁原料由90％颗粒和10％碱性烧结矿组成，矿石品位高于62％; （2）用水平高温吹风加热器将煤气预热至1250-1450℃，将来自炉顶的热值为11.7-12.5mj / m3的预热煤气从炉顶吹入量 每吨铁水1000立方米，压力0.1〜0.6MPa; 预热至高于1250-1450℃的空气，每吨铁水的量为300-400nm 3。 该方法中使用的煤气用作还原剂和燃料，结果可以减少焦炭消耗。
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公开(公告)号：US20120144955A1
公开(公告)日：2012-06-14
申请号：US13210479
申请日：2011-08-16
Applicant: Leonard Reiffel
Inventor： Leonard Reiffel
CPC classification number: C21B5/008 , C21B5/001 , C21B5/023 , C21B5/026 , C21C7/0056 , C22B7/001 , C22B7/02 , F27B1/20 , F27D3/0025 , F27D3/0027 , F27D3/0033 , Y02P10/214 , Y02P10/216 , Y10S75/961 , Y10S75/962
Abstract: A metallurgical process involves providing an ingredient enclosure and placing a plurality of granules of a first material in the ingredient enclosure. The first material contains a first ingredient in a metallurgical process. A metallurgical process furnace having a chamber in which ingredients for the metallurgical process are added is provided and the ingredient enclosure and the first material are added to the chamber. The chamber is heated after the addition of the ingredient enclosure and the first material to the chamber, although it may also be heated prior to such addition. In one form, the granules comprise mill scale and the metallurgical process furnace is a blast furnace.
Abstract translation: 冶金过程涉及提供配料外壳并将多个第一材料颗粒放置在配料外壳中。 第一种材料包含冶金工艺中的第一种成分。 提供了一种具有其中添加有用于冶金工艺的成分的室的冶金工艺炉，并且将成分封壳和第一材料添加到室中。 在将配料外壳和第一种材料添加到腔室之后，将腔室加热，尽管也可以在加入之前加热该腔室。 在一种形式中，颗粒包括氧化皮，冶金工艺炉是高炉。
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公开(公告)号：US07998242B2
公开(公告)日：2011-08-16
申请号：US12720493
申请日：2010-03-09
Applicant: Leonard Reiffel
Inventor： Leonard Reiffel
CPC classification number: C21B5/008 , C21B5/001 , C21B5/023 , C21B5/026 , C21C7/0056 , C22B7/001 , C22B7/02 , F27B1/20 , F27D3/0025 , F27D3/0027 , F27D3/0033 , Y02P10/214 , Y02P10/216 , Y10S75/961 , Y10S75/962
Abstract: A metallurgical process involves providing an ingredient enclosure and placing a plurality of granules of a first material in the ingredient enclosure. The first material contains a first ingredient in a metallurgical process. A metallurgical process furnace having a chamber in which ingredients for the metallurgical process are added is provided and the ingredient enclosure and the first material are added to the chamber. The chamber is heated after the addition of the ingredient enclosure and the first material to the chamber, although it may also be heated prior to such addition. In one form, the granules comprise mill scale and the metallurgical process furnace is a blast furnace.
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公开(公告)号：US07931732B2
公开(公告)日：2011-04-26
申请号：US12657337
申请日：2010-01-19
Applicant: Leonard Reiffel
Inventor： Leonard Reiffel
IPC: C21C7/00
CPC classification number: C21B5/008 , C21B5/001 , C21B5/023 , C21B5/026 , C21C7/0056 , C22B7/001 , C22B7/02 , F27B1/20 , F27D3/0025 , F27D3/0027 , F27D3/0033 , Y02P10/214 , Y02P10/216 , Y10S75/961 , Y10S75/962
Abstract: A metallurgical process involves providing an ingredient enclosure and placing a plurality of granules of a first material in the ingredient enclosure. The first material contains a first ingredient in a metallurgical process. A metallurgical process furnace having a chamber in which ingredients for the metallurgical process are added is provided and the ingredient enclosure and the first material are added to the chamber. The chamber is heated after the addition of the ingredient enclosure and the first material to the chamber, although it may also be heated prior to such addition. In one form, the granules comprise mill scale and the metallurgical process furnace is a blast furnace.
Abstract translation: 冶金过程涉及提供配料外壳并将多个第一材料颗粒放置在配料外壳中。 第一种材料包含冶金工艺中的第一种成分。 提供了一种具有其中添加有用于冶金工艺的成分的室的冶金工艺炉，并且将成分封壳和第一材料添加到室中。 在将配料外壳和第一种材料添加到腔室之后，将腔室加热，尽管也可以在加入之前加热该腔室。 在一种形式中，颗粒包括氧化皮，冶金工艺炉是高炉。
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10.发明申请公开(公告)号：US20100206131A1
公开(公告)日：2010-08-19
申请号：US12680855
申请日：2008-12-15
Applicant: Eisaku Yasuda , Nobuhiro Hasegawa , Yoshiyuki Matsui , Shuji Kitayama
Inventor： Eisaku Yasuda , Nobuhiro Hasegawa , Yoshiyuki Matsui , Shuji Kitayama
CPC classification number: C22B1/2413 , C21B5/008 , C21B5/02 , C21C2007/0062 , C22B1/2406 , C22B1/243
Abstract: Provided are self-fluxing pellets for a blast furnace, characterized in that a CaO/SiO2 mass ratio C/S is 0.8 or more and a MgO/SiO2 mass ratio M/S is 0.4 or more; when an iron content (mass %) in the entire pellet is represented by % TFe, % TFe is 65 or less; and a temperature Ts (unit: ° C.) at which the pressure loss starts to increase sharply in a loaded high-temperature reduction test and which is calculated by the equation below is 1290° C. or higher: Ts=110×C/S+100×M/S+25×% TFe−480 Equation:
Abstract translation: 本发明提供一种用于高炉的自熔颗粒，其特征在于，CaO / SiO 2质量比C / S为0.8以上，MgO / SiO 2质量比M / S为0.4以上。 当整个颗粒中的铁含量（质量％）由％TFe表示时，％TFe为65以下; 并且在负载的高温降低试验中压力损失急剧增加的温度Ts（单位：℃）为1290℃以上：Ts = 110×C / S + 100×M / S + 25×％TFe-480等式：
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