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    • 1. 发明授权
    • 유동 환원로의 누적물 배출장치
    • 流化还原炉的排污装置
    • KR101009019B1
    • 2011-01-17
    • KR1020030099411
    • 2003-12-29
    • 주식회사 포스코
    • 박경동이후근강태인
    • C21B13/00
    • 본 발명은 유동 환원로 윈드박스 및 분산판 하부 가스 공급관에 쌓이는 누적물을 조업중단 없이 조업을 지속하면서 노내 가스압력을 이용하여 제거하는 유동 환원로의 누적물 배출장치에 관한 것으로, 유동 환원로 내에 장착되는 분산판의 하부 윈드박스(Windbox)에 분진이 자중에 의해 흘러내릴 수 있도록 설정된 각도를 갖고 경사지게 설치되는 경사부와; 분산판 하부에 연결되는 가스 공급관에서 분진이 누적되는 위치에 일단이 연결되며, 타단이 급속 냉각 설비와 연결되는 누적물 배출 배관과; 상기 누적물 배출 배관 내에 장착되어 개폐됨에 따라 누적물 배출 배관을 통해 상기 가스 공급관으로부터 상기 급속 냉각 설비로 배출되는 누적물의 양을 조절하는 누적물 배출량 조절 밸브를 포함하여 구성한다.
      유동 환원로, 누적물, 배출, 배관, 밸브
    • 2. 发明公开
    • 용융물의 레벨 추정 시스템
    • 估计熔体水平的系统
    • KR1020100078809A
    • 2010-07-08
    • KR1020080137170
    • 2008-12-30
    • 주식회사 포스코
    • 이정호정석광강태인배진찬
    • G01F23/18G01B7/00
    • B22D2/003G01B5/30G01D21/02G01F23/18G06F17/10
    • PURPOSE: A system for estimating the level of a melt is provided to improve efficiency of a molten iron manufacturing device by estimating the level of a melt in the molten iron manufacturing device. CONSTITUTION: A system for estimating the level of a melt comprises a deformation measuring device(110), a calculating device, and a display device(130). The deformation measuring device is attached on a steel cover(141) of a molten iron manufacturing device(140) and measures deformation of the steel cover. The calculating device estimates the level of a melt in the molten iron manufacturing device through the measured deformation. The display device displays the level of the estimated level of the melt.
    • 目的:提供一种用于估计熔体水平的系统,以通过估计铁水制造装置中的熔体的水平来提高铁水制造装置的效率。 构成:用于估计熔体水平的系统包括变形测量装置(110),计算装置和显示装置(130)。 变形测量装置安装在铁水制造装置(140)的钢罩(141)上并测量钢罩的变形。 计算装置通过测量的变形来估计铁水制造装置中的熔体的水平。 显示装置显示熔体的估计水平的水平。
    • 6. 发明公开
    • 일반탄을 이용한 용철 제조 공정에서 분환원철 및 분소성부원료의 괴성체를 이용한 용철제조방법
    • 通过使用非直接还原铁和计算添加剂在非焦炭煤制造工艺中的热压制造铁的方法
    • KR1020040057191A
    • 2004-07-02
    • KR1020020083793
    • 2002-12-26
    • 주식회사 포스코
    • 김득채이후근강태인박경동
    • C21B13/00
    • C21B13/143C21B3/04C21B13/002C21B13/0033C21B13/008C21B13/0086C21B13/146
    • PURPOSE: A method for making molten iron by using hot compaction of fine direct reduced iron and calcined additives in non-coking coal based iron making process is provided to improve output of molten iron by mixing the fine direct reduced iron with fine calcined additives, thereby agglomerating a mixture thereof. CONSTITUTION: In a molten iron manufacturing process using non-coking coal comprising the steps of charging fine direct reduced iron and calcined additives supplied from multistep fluidized bed reduction furnaces(330) into a melter gasifier(340) by direct reduced iron screw at an upper side, and producing molten iron by melting the fine direct reduced iron and the calcined additives by heat of combustion of oxygen and lump coal supplied from tuyere of the melter gasifier, the method for making molten iron by using hot compaction of the fine direct reduced iron and the calcined additives in non-coking coal based iron making process comprises a step of molding the agglomerated mixture into hot compaction having size of 30 mm or less and density of 3.5 to 4.0 kg/cm¬3 by agglomerating a mixture of the reduced iron and the calcined additives; and a step of injecting the molded hot compaction into the melter gasifier so that molten iron is manufactured in the melter gasifier, wherein molten iron is manufactured by using reduced iron hot compaction in which up to 25% of weight of the hot compaction is mixed with the calcined additives to adjust constituents of slag of the melter gasifier.
    • 目的:提供一种通过在非焦煤基炼铁工艺中使用精细直接还原铁和煅烧添加剂的热压制造铁水的方法,以通过将精细直接还原铁与细煅烧添加剂混合来提高铁水的产出,由此 使其混合物凝聚。 构成:在使用非焦煤的铁水制造方法中,包括以下步骤:将由多步骤流化床还原炉(330)提供的精细直接还原铁和煅烧添加剂通过直接还原铁螺杆在上部加入熔融炉气化器(340) 通过从熔融气化炉的风口供给的氧气和燃烧煤的燃烧的热量熔化精炼的直接还原铁和煅烧添加剂来生产铁水,通过使用精炼的直接还原铁的热压制造铁水的方法 并且在非炼焦煤基炼铁方法中的煅烧添加剂包括通过将还原铁的混合物凝集而将凝聚的混合物模制成尺寸为30mm以下的热压实和3.5至4.0kg / cm 3的密度的步骤 和煅烧添加剂; 以及将成型的热压实部分注入熔融气化器中以在熔化器气化器中制造铁水的步骤,其中通过使用还原铁热压制造铁水,其中将高达25%的热压实重量与 煅烧添加剂调节熔化炉气化炉渣的成分。