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公开(公告)号：KR1020050030464A
公开(公告)日：2005-03-30
申请号：KR1020030066970
申请日：2003-09-26
Applicant: 주식회사 포스코 , 재단법인 포항산업과학연구원
IPC: F27B7/36
Abstract: To provide a calcining rotary kiln for fluid-solid two phase fuel and a method for controlling operation of the calcining rotary kiln, wherein a fluid fuel and a solid fuel are used at the same time to simultaneously reduce a consumption amount of heat energy in the calcining rotary kiln and efficiently reduce generation of nitrogen oxides. The calcining rotary kiln(10) for fluid-solid two phase fuel is characterized in that a fluid fuel injection burner(12) for injecting a fluid fuel together with air is installed at a central part of the rotary kiln, and a solid fuel injection burner(14) is installed such that the solid fuel injection burner is leaned from the lower side of the fluid fuel injection burner to a side at which a large quantity of limestone(3) is accumulated to use fluid fuel as well as solid fuel at the same time in the rotary kiln, wherein the solid fuel injection burner is projected into the rotary kiln compared with the fluid fuel injection burner such that flame is easily separated when the fluid fuel and the solid fuel are simultaneously injected into the rotary kiln, and wherein a mixture of powder type solid and gas is injected into a central part of the solid fuel injection burner at a high speed, and a gas is injected into the outer side of the solid fuel injection burner at the same speed as the injection speed of the mixture of the powder type solid and gas injected into the central part of the solid fuel injection burner.
Abstract translation: 提供一种用于流体 - 固体两相燃料的煅烧回转窑和一种用于控制煅烧回转窑的操作的方法，其中同时使用流体燃料和固体燃料以同时减少热能消耗量 煅烧回转窑，有效减少氮氧化物的产生。 用于流体 - 固体两相燃料的煅烧回转窑（10）的特征在于，用于将流体燃料与空气一起喷射的流体燃料喷射燃烧器（12）安装在回转窑的中心部分，并且固体燃料喷射 燃烧器（14）被安装成使得固体燃料喷射燃烧器从流体燃料喷射燃烧器的下侧倾斜到大量石灰石（3）被积聚的一侧以使用流体燃料以及固体燃料 同时在回转窑中，与流体燃料喷射燃烧器相比，固体燃料喷射燃烧器投射到回转窑中，使得当流体燃料和固体燃料同时注入回转窑时，火焰容易分离，并且 其中将粉末状固体和气体的混合物高速注入固体燃料喷射燃烧器的中心部分，并以与所述固体燃料喷射燃烧器的外侧相同的速度喷射气体 粉末型固体和气体混合物的注射速度注入到固体燃料喷射燃烧器的中心部分。
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公开(公告)号：KR100471600B1
公开(公告)日：2005-03-09
申请号：KR1020020083453
申请日：2002-12-24
Applicant: 재단법인 포항산업과학연구원 , 철강융합신기술연구조합 , 주식회사 포스코건설 , 주식회사 포스코
IPC: C23G3/02
Abstract: 본 발명은 금속강판 세정라인에서 발생하는 알카리 거품을 제거하는 장치에 관한 것으로서, 더욱 상세하게는 제철소의 냉연라인에서 강판을 압연하고 산세하는 공정중 강판 표면상에 부착된 압연유, 철분 및 반응생성물인 철석검(스테아린산소다) 등을 세정하는 과정에서 발생되는 알카리 거품을 파폭하여 용액으로 재순환시킴으로써 세정액의 소모율을 줄일 수 있고 알카리 거품의 배출로 인한 주변 환경오염과 설비부식을 방지할 수 있는 금속강판 세정라인의 소포장치에 관한 것이다.
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公开(公告)号：KR100456466B1
公开(公告)日：2004-11-10
申请号：KR1020020052149
申请日：2002-08-30
Applicant: 철강융합신기술연구조합 , 재단법인 포항산업과학연구원 , 주식회사 포스코건설 , 주식회사 포스코
IPC: C23G3/02
Abstract: PURPOSE: A debubbling method and a debubbling apparatus of strip cleaning line are provided to reduce consumption amount of cleaning solution, maintain pleasant operation environment and prevent facility corrosion due to alkaline bubbles by preventing an alkali bubbling solution from being overflown to the outside. CONSTITUTION: The debubbling apparatus(1) of strip cleaning line comprises a main body part(10) comprising a debubbling tank(11) which is connected to circulation storage tank(111) by means of communicating pipe(11a), and in which a certain sized inner space is formed so that bubbles along with cleaning solution of the circulation storage tank are flown in the debubbling tank; first bubble breaking part(20) comprising a bubble breaking chamber(21) on a lower surface of which an inlet is formed, wherein the lower surface of the bubble breaking chamber corresponds to the surface of the water of the debubbling tank, and a motor member(23) for rotationally driving bubble breaking blades installed in the bubble breaking chamber so as to suck and break bubbles forcibly flown in the bubble breaking chamber and discharge cleaning solution changed into water drop through a discharge port of the bubble breaking chamber; second bubble breaking part(30) comprising a suction blower(50) communicatingly installed on an upper part of the debubbling tank to form negative pressure, and perforated plates(36a,36b) at least one or more of which are vertically installed at a rear part of the debubbling tank so as to remove bubbles guided to the rear side by suction force of the suction blower; and a controller for receiving measured values of a level sensor(12) for sensing the water level of the cleaning solution filled in the debubbling tank, receiving measured values of a thermometer(13a) for measuring temperature of the cleaning solution in the debubbling tank and controlling operation of a circulation pump(19) for supplying the cleaning solution into the circulation storage tank.
Abstract translation: 目的：通过防止碱泡沫溶液溢出到外部，提供一种带状清洁线的去泡沫方法和去泡装置，以减少清洁溶液的消耗量，保持令人愉快的操作环境并防止由碱性气泡引起的设备腐蚀。 组成：带材清洗线的去泡装置（1）包括一个主体部分（10），该主体部分包括一个通过连通管（11a）与循环储罐（111）连接的去泡罐（11），并且其中一个 形成一定大小的内部空间，使得随着循环储存罐的清洁溶液的气泡流入除泡罐; 第一破泡部分（20）包括破泡腔室（21），破泡腔室的下表面上形成有入口，其中破泡腔室的下表面对应于脱泡罐的水的表面，马达 （23），用于旋转驱动安装在破泡腔中的破泡片，从而吸入并破坏强制流入破泡腔的泡沫，并通过破泡腔的排出口排出转换为水滴的清洗液; 第二破泡部分（30）包括一个连通地安装在脱泡罐上部以形成负压的抽吸鼓风机（50），以及至少一个或多个垂直安装在后部的多孔板（36a，36b） 以便去除由抽风机的吸力导向后侧的气泡; 以及控制器，用于接收用于感测除泡罐中填充的清洁溶液的水位的水位传感器（12）的测量值，接收用于测量除泡罐中的清洁溶液的温度的温度计（13a）的测量值和 控制循环泵（19）的操作，用于将清洁溶液供应到循环储存罐中。
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公开(公告)号：KR100293203B1
公开(公告)日：2001-09-17
申请号：KR1019960070104
申请日：1996-12-23
Applicant: 주식회사 포스코 , 재단법인 포항산업과학연구원
Inventor： 박대규
IPC: C21B13/00
Abstract: PURPOSE: A pseudo reduction method, a reducing characteristics evaluation method and a pseudo reduction apparatus are provided to evaluate high temperature reduction characteristics such as adhesion characteristics, reduction degradation and reducing property of iron ore inside a shaft type reduction furnace. CONSTITUTION: The pseudo reduction apparatus of iron ore comprises an inner reaction tube(11) in which a reduction furnace(111) is installed, and at the upper part of which a gas exhaust line(112) is formed; an outer reaction tube(12) which is positioned at the surroundings of the inner reaction tube(11) with spaced apart therefrom in a certain distance so as to form a reduction gas supplying path in a space between the outer reaction tube(12) and the inner reaction tube(11); an electric heating furnace(20) heating and maintaining a temperature of raw ore and reduction gas to a reduction temperature; a load loading device(30) adding a load to the raw ore; a pressure difference measuring device(50) measuring a pressure difference between the front and end parts of a raw ore layer during supplying of the reduction gas for reducing the raw ore; and an elevation measuring device(60) quantitatively observing expansion/contraction behaviors of the raw ore during reduction.
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公开(公告)号：KR100236192B1
公开(公告)日：1999-12-15
申请号：KR1019970071433
申请日：1997-12-20
Applicant: 주식회사 포스코 , 뵈스트-알핀 인두스트리안라겐바우 게엠바하 , 재단법인 포항산업과학연구원
Inventor： 박대규
IPC: C21B13/02
Abstract: 본 발명은 철광석와 일반탄을 직접사용하여 선철을 제조하는 용융환원법에 있어서 입도분포가 넓은 분철광석을 예비환원하는 분철광의 유동층식 환원장치 및 이를 이용한 분철광석의 예비환원방법및 예비환원된 환원철을 용융환원하여 용선을 제조하는 용융환원장치에 관한 것이다.
본 발명은 분철광석의 3단 유동층식 예비환원 장치에 있어서,
제1유동층환원로에서 대립광석을, 그리고 제2유동층환원로에서중/미립광석을 기포및 난류유동환원하도록 구성되고, 상기 제1유동층환원로및 제2유동층환원로에서 배출되는 중/대립광석을 공급받아 기포유동층을 형성하면서 중/대립광석을 최종 환원하여 배출 하도록 구성되는 최종 유동층환원로;및 상기 최종 유동층환원로의 배가스에 함유된 미립광석을 포집하여 최종 유동층환원로에 순환되도록 구성되는 제3고온사이클론를 추가로 포함하는 분철광석의 유동층식 예비환원 장치및 이 장치를 이용하여 분철광석을 예비환원하는 방법과 예비환원철을 공급받아 용철을 제조하는 용융환원로를 포함하는 용융환원장치를 그 요지로 한다.-
Patent Agency Ranking
公开(公告)号：KR101633251B1
公开(公告)日：2016-06-27
申请号：KR1020140185031
申请日：2014-12-19
Applicant: 주식회사 포스코 , 재단법인 포항산업과학연구원
Abstract: 본발명의실시예에따른마그네슘제련시스템용이물질제거장치에의하면, 상부로개방된원통형구조로, 하부에는마그네슘을환원하는환원부공간이형성되고, 상기환원부의상부에는환원된마그네슘을응축하는응축부공간이형성되는리토르트, 상기리토르트의상부에배치되되, 상기리토르트의상부입구를통해서삽입이가능하도록상하방향으로배치되는크리닝바디, 상기리토르트의내주면에대응하여상기크리닝바디의하단부외측에배치되는크리닝팁, 상기크리닝바디의상단부에연결되어, 상기크리닝바디를전후좌우및 상하방향으로움직이는이동로더, 및상기크리닝팁이상기리토르트의내주면에형성된이물질을제거하도록상기크리닝바디의길이방향중심축을기준으로상기크리닝바디를회전시키는회전부를포함할수 있다.
Abstract translation: 根据本发明的实施例，一种用于镁精炼系统的异物去除装置包括：蒸煮器，清洁体，清洁尖端，移动加载器和旋转部件。 蒸馏器具有向上侧开口的圆柱形结构，具有还原部分空间以减少镁，并且在冷凝还原镁的还原部分的上部形成有冷凝部分空间。 清洗体以这样的方式设置在蒸煮器的上部，使得清洁体垂直地布置成通过蒸馏器的上部入口插入。 所述清洁尖端布置在所述清洁体的下端的外部上，同时对应于所述蒸馏器的内周表面。 移动装载机连接到清洁体的上端，并使清洁体向前，向后，向上和向下移动。 旋转部使清洁体围绕清洁体的长度方向的中心轴旋转，使得清洁头能够除去形成在蒸馏器的内周面上的异物。 根据本发明，可以提高蒸馏器的耐久性，并且减少清洗时间。
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公开(公告)号：KR101463244B1
公开(公告)日：2014-11-19
申请号：KR1020060131406
申请日：2006-12-20
Applicant: 주식회사 포스코 , 재단법인 포항산업과학연구원
Inventor： 박대규
Abstract: 본 발명은 석탄을 건류하여 코우크스를 제조하는 과정에서 배출되는 고열량의 건류가스중 불순물로 포함되는 부식성 가스인 황화수소(H2S)나 시안화수소(HCN)를 알카리용액으로 NaOH를 사용하여 흡수 정제하는 습식 탈황공정시 흡수탑에서 알카리 용액에 의해 황화수소는 흡수 제거되고, 재생탑에서 촉매의 작용에 의해 분자산소와 원소황을 이용하여 시안화수소(HCN)를 무해한 티오시안산나트륨(NaSCN)으로 전환 제거하는 퓨막스-로닥스(Fumaks-Rhodacs)공정에 있어서 알카리용액 및 촉매 등의 약품을 자동으로 주입할 수 있는 코크스오븐가스함유 가스 제거약품 공급방법에 관한 것으로서, 그 특징적인 구성은 코크스 오븐 가스 정제공정중 NaOH를 이용하여 H
2 S를 분해제거하고 황을 이용하여 HCN을 무해한 NaSCN으로 전환시키는 푸막스-로닥스 공정에 있어서, 실� �간으로 분석되는 COG가스유량 및 농도에 연동하여 NaOH 알카리 흡수용액 및 피크린산 촉매를 정량적으로 공급함으로서 유해가스를 안정적으로 제거함을 특징으로 하는 것이다.
코크스 오브 가스, 유해가스, 약품, 황화수소, 시안화수소-
公开(公告)号：KR1020130093753A
公开(公告)日：2013-08-23
申请号：KR1020110143667
申请日：2011-12-27
Applicant: 재단법인 포항산업과학연구원
CPC classification number: C22B26/22 , C22B5/02 , F27B13/02 , F27B13/12 , F27D3/10 , F27D7/06 , F27D2007/066
Abstract: PURPOSE: A magnesio-thermic reduction apparatus and a magnesium material feeding method using the same are provided to simultaneously inject raw material into an upper side thereof and to continuously discharge reduced slag through a lower side thereof. CONSTITUTION: A magnesio-thermic reduction apparatus includes a hopper (110), a first vacuum chamber (120), a hopper gate, a first gate, a reaction chamber (160), and a condenser (150). Magnesium material is injected into the hopper. The hopper gate controls the discharge amount of the magnesium material. The first vacuum chamber feeds the magnesium material from the hopper to the reaction chamber. The first gate controls the discharge amount of the magnesium material. The reaction chamber receives the magnesium material from the first vacuum chamber, and then generates magnesium vapor through a thermic reduction reaction. The condenser condenses magnesium generated from the reaction chamber.
Abstract translation: 目的：提供一种氧化镁热还原装置和使用其的镁材料供给方法，以将原料同时注入其上侧，并且通过其下侧连续排出还原的渣。 构成：氧化镁热还原装置包括料斗（110），第一真空室（120），料斗浇口，第一浇口，反应室（160）和冷凝器（150）。 将镁材料注入料斗。 料斗门控制镁材料的排出量。 第一真空室从料斗将镁材料送入反应室。 第一门控制镁材料的排出量。 反应室从第一真空室接收镁材料，然后通过热还原反应产生镁蒸气。 冷凝器冷凝从反应室产生的镁。
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公开(公告)号：KR1020130075394A
公开(公告)日：2013-07-05
申请号：KR1020110143747
申请日：2011-12-27
Applicant: 재단법인 포항산업과학연구원
CPC classification number: C22B26/22 , C22B5/02 , F27D9/00 , F27D2009/0081
Abstract: PURPOSE: A magnesium manufacturing device is provided to selectively circulate cooling medium to communication passages by forming the communication passages in a cooling jacket along the longitudinal direction of a condenser. CONSTITUTION: A magnesium manufacturing device (100) comprises a reaction pipe (10), a heating furnace (20), a condenser (30), and a cooling jacket (40). The reaction pipe is filled with magnesium ores and implements the reduction reaction of magnesium oxide. The cooling jacket surrounds the condenser with a cover to cool the condenser. The cooling jacket has multiple communication passages (41) along the longitudinal direction of the condenser.
Abstract translation: 目的：提供一种镁制造装置，用于通过沿着冷凝器的纵向方向形成冷却套管中的连通通道来选择性地将冷却介质循环到连通通道。 构成：镁制造装置（100）包括反应管（10），加热炉（20），冷凝器（30）和冷却套（40）。 反应管充满镁矿，并实施氧化镁的还原反应。 冷却套通过盖子围绕冷凝器冷却冷凝器。 冷却套具有沿着冷凝器的长度方向的多个连通通路（41）。
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公开(公告)号：KR1020130075335A
公开(公告)日：2013-07-05
申请号：KR1020110143668
申请日：2011-12-27
Applicant: 재단법인 포항산업과학연구원
CPC classification number: C04B35/64 , B07B1/00 , C04B35/03 , C04B2235/656 , C04B2235/728 , C04B2235/74
Abstract: PURPOSE: A manufacturing method of a sintered dolomite is provided to easily separate and remove impurities in a magnesium heat-reduction process by screening the rotation rate of rotary kiln furnace in a discharging process. CONSTITUTION: A manufacturing method of a sintered dolomite comprises a step of injecting dolomite mineral into a heating kiln furnace; a step of heating the heating kiln furnace while rotating; a step of moving the dolomite mineral to a cooling kiln furnace and cooling the cooling kiln furnace while rotating the same; and a step of filtering the dolomite mineral with a sieve. The temperature of the heating kiln furnace is 850-1350 °C. The size of the sieve is 4mm or less. The content of the SiO2 is 1 wt% or less. The rotation rate of the kiln furnaces vary with the size and the length of the furnace and the kinds of the mineral. [Reference numerals] (S10) Inserting a dolomite material into a kiln furnace; (S20) Heating; (S30) Cooling; (S40) Screening; (S50) Sintered dolomite
Abstract translation: 目的：提供一种烧结白云石的制造方法，通过在放电过程中筛选回转窑炉的转速，容易地分离和去除镁热还原工艺中的杂质。 构成：烧结白云石的制造方法包括将白云石矿物注入加热窑炉中的步骤; 旋转加热窑炉的步骤; 将白云石矿物转移到冷却窑炉并在冷却窑炉的同时旋转的步骤; 以及用筛子过滤白云石矿物的步骤。 加热窑炉的温度为850-1350℃。 筛的尺寸为4mm以下。 SiO 2的含量为1重量％以下。 窑炉的转速随炉膛的大小和长度以及矿物的种类而变化。 （S10）将白云石材料插入窑炉中（S10） （S20）加热; （S30）冷却; （S40）筛选; （S50）烧结白云石
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