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公开(公告)号：KR1020030052917A
公开(公告)日：2003-06-27
申请号：KR1020010083053
申请日：2001-12-21
Applicant: 재단법인 포항산업과학연구원 , 주식회사 포스코
IPC: B22D11/124
CPC classification number: B22D11/124
Abstract: PURPOSE: A method for removing grease contained in cooling water of continuous casting process is provided to recover oils such as grease contained in cooling water circulated and used in the continuous casting process. CONSTITUTION: The method comprises the steps of sucking cooling water of grease layer floated inside the pit to a water surface floating type skimmer which is installed on settling tank inlet pit(20), and on which suction pump is mounted; transferring the sucked greased contained cooling water to a grease oil separator(130) through transfer line(121) using air pump(120); mixing a mixed water containing bubble type pressing dissolved air with grease contained cooling water being transferred in an inline mixer(127) installed in front of the grease oil separator(130) to increase grease flotation efficiency in the grease oil separator(130) so that the mixed water together with the grease contained cooling water is supplied to the grease oil separator(130); collecting grease floated to the water surface in the grease oil separator(130) using a water surface scraping type chain oil skimmer(131), and dropping the grease collected on the chain oil skimmer(131) into collection tank(140) through grease discharge pipe(134) using grease removal scraper(132) so that the grease is recovered; and separating a small amount of grease that is not floated using a filler pack(133) installed at the lower part of the grease oil separator(130).
Abstract translation: 目的：提供一种连续铸造工艺中除去冷却水中所含润滑脂的方法，以回收在连续铸造工艺中循环使用的冷却水中所含的润滑油等油脂。 构成：该方法包括以下步骤：将沉积在坑内的油脂层的冷却水吸入安装在沉淀池入口坑（20）上并安装有抽吸泵的水面浮式撇渣器; 使用气泵（120）通过输送管线（121）将吸入的含油脂的冷却水转移到油脂分离器（130）; 将含有气泡型压缩溶解空气的混合水与在润滑油分离器（130）的前面的在线混合器（127）中转移的冷却水一起转移，以提高润滑油分离器（130）中的油脂浮选效率，使得 将混合水与含有冷却水的润滑脂一起供给到油脂分离器（130）中; 使用水表面刮油式链式分油器（131）将润滑油分离器（130）中的润滑脂吸附到水面上，通过油脂排出将收集在链条油分离器（131）上的油脂滴入收集罐（140） 管道（134），使用除油刮板（132），以便回收油脂; 并使用安装在油脂分离器（130）的下部的填充料（133）分离少量不浮动的油脂。
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公开(公告)号：KR1020010055817A
公开(公告)日：2001-07-04
申请号：KR1019990057127
申请日：1999-12-13
Applicant: 주식회사 포스코 , 재단법인 포항산업과학연구원
Inventor： 박대규
IPC: G01N33/00
Abstract: PURPOSE: A method and an apparatus for testing deposit ratio of a cooling water anticorrosive are provided to minimize risk of incongruent capacity by simulating field operation condition after first test using a potentiostat. CONSTITUTION: An apparatus for testing deposit ratio of a cooling water anticorrosive includes a flow meter(FM) connected with an oil cartridge heater type deposit degree measuring apparatus through a cooling water tank(61) having a heater(HT) and a cooling water circulation pump(60), and the oil cartridge heater type deposit degree measuring apparatus connected with the flow meter through a pH measuring machine(91) and a corrosion degree measuring sensor, so that temperature of the anticorrosive is obtained by measuring temperature of cooling water within the cooling water tank, flow change is measured by the flow meter, and pH is measured by the pH measuring machine. Corrosion degree and cleanliness are continuously measured and tested under water quality condition of the measured temperature, flow change and pH to analyze anticorrosive characteristic of the anticorrosive.
Abstract translation: 目的：提供一种用于测试冷却水防腐蚀沉积比的方法和设备，以通过使用恒电位仪进行第一次测试后模拟现场操作条件来最小化不一致能力的风险。 构成：用于测试冷却水防腐蚀沉积比的装置包括通过具有加热器（HT）和冷却水循环的冷却水箱（61）与油盒加热器型沉积度测量装置连接的流量计（FM） 泵（60）和通过pH测量机（91）和腐蚀度测量传感器与流量计连接的油盒加热器型沉积度测量装置，通过测量其内的冷却水温度来获得防腐蚀温度 冷却水箱，流量变化由流量计测量，pH值由pH测量机测量。 腐蚀程度和清洁度在测量温度，流量变化和pH值的水质条件下连续测量和测试，以分析防腐蚀的防腐蚀特性。
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公开(公告)号：KR100256341B1
公开(公告)日：2000-05-15
申请号：KR1019950056690
申请日：1995-12-26
Applicant: 주식회사 포스코 , 뵈스트-알핀 인두스트리안라겐바우 게엠바하 , 재단법인 포항산업과학연구원
IPC: C21B13/00
CPC classification number: C21B13/0033 , Y02P10/136 , Y02P10/216
Abstract: PURPOSE: A two-stage fluidized bed prereduction line of iron ore powder and a method thereof are provided not only to improve the distribution efficiency but also to restrain flying of medium and fine particulate iron ore by forming first fluidized bed reduction furnace in such a structure that the lower part of the first fluidized bed reduction furnace is wide while the upper part thereof is narrower, and second fluidized bed reduction furnace in such a structure that the upper part of the second fluidized bed reduction furnace is wide while the lower part thereof is narrower. CONSTITUTION: The two-stage fluidized bed prereduction line of iron ore powder comprises a first fluidized bed reduction furnace (20) in which medium and fine particulate ore are scattered and discharged through the upper part thereof, and large particulate ore is reduced as forming a bubbling fluidized bed after iron ore powder is supplied from a hopper (10) for storing the iron ore powder; a second fluidized bed reduction furnace (30) in which medium and fine particulate ore are reduced as forming a turbulence fluidized bed after receiving the medium and fine particulate ore scattered and discharged through the upper part of the first fluidized bed reduction furnace (20); and a first high temperature cyclone (40) collecting fine particulate ore contained in the exhaust gas of the second fluidized bed reduction furnace (30).
Abstract translation: 目的：提供一种铁矿石粉末的两级流化床预还原系统及其方法，不仅提高分配效率，而且还通过在这种结构中形成第一流化床还原炉来抑制介质和细颗粒铁矿石的飞行 第一流化床还原炉的下部较宽，而其上部较窄，第二流化床还原炉的第二流化床还原炉的上部较宽，其下部为 窄。 构成：铁矿石粉末的两段流化床预还原线包括第一流化床还原炉（20），其中中微细矿石通过其上部分散和排出，大颗粒矿石形成 从用于储存铁矿粉的料斗（10）供给铁矿石粉末后的起泡流化床; 第二流化床还原炉（30），其中介质和细颗粒矿石在接收介质之后形成湍流流化床，并通过第一流化床还原炉（20）的上部分散和排出的细颗粒矿石被还原; 以及收集第二流化床还原炉（30）的排气中含有的微细矿石的第一高温旋流器（40）。
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44.发明公开
公开(公告)号：KR1019980051230A
公开(公告)日：1998-09-15
申请号：KR1019960070104
申请日：1996-12-23
Applicant: 주식회사 포스코 , 재단법인 포항산업과학연구원
Inventor： 박대규
IPC: C21B13/00
Abstract: 괴상철광석의 샤프트형 환원로 내에서의 고온환원성상평가를 위한 모사환원방법 및 이에 따른 점착특성, 환원분화 및 환원성 평가방법과 이에 사용되는 환원장치가 제공된다.
본 발명의 모사환원방법은 실제 샤프트형 환원로의 연소환경과 동일한 환경을 갖는 장치를 이용하여 실제 샤프트형 환원로의 예열단계 및 50%이상 환원된 금속철의 인접상과의 상호확산에 른 점착특성을 모사할 수 있는 환원단계를 포함한다.
상기 환원방법에 따라 시료를 수거한 후 수거된 환원철과의 입경에 따라 점착지수, 분화지수 및 마모지수를 평가하는 방법이 제공된다.
상기 방법에 사용되는 하중부하 철광석환원실험장치 또한 제공된다.-
公开(公告)号：KR1019920007933B1
公开(公告)日：1992-09-19
申请号：KR1019890020405
申请日：1989-12-30
Applicant: 주식회사 포스코 , 재단법인 포항산업과학연구원
IPC: C22C1/02
Abstract: This ferrochrome (Fe-Cr) is prepared by (1) charging the raw materials comprising 49-56 wt.% chromium ore or chromium ore pallet, 29-35 wt.% limestone, 1.5-6.0 wt.% silica sand and 9-14.5 wt.% serpentinite, (2) charging the lowest amount of cokes, 90-110 % to the theoritical equivalent amount, (3) controlling the basicity (CaO/SiO2 of the above charging material to be 1.2-1.4 to obtain the optimized zero order reaction rate constant. Then melt reducing the above.
Abstract translation: 这种铬铁矿（Fe-Cr）是通过以下方法制备的：（1）将包含49-56重量％铬矿石或铬矿石托盘，29-35重量％石灰石，1.5-6.0重量％硅砂和9- 14.5重量％蛇纹石，（2）将最低量的焦炭加入到理论当量的90-110％，（3）控制碱性（上述充电材料的CaO / SiO2为1.2-1.4，以获得优化的 零级反应速率常数，然后熔融还原上述。
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Patent Agency Ranking
公开(公告)号：KR1019920005400B1
公开(公告)日：1992-07-03
申请号：KR1019890020402
申请日：1989-12-30
Applicant: 주식회사 포스코 , 재단법인 포항산업과학연구원
IPC: C04B5/00
CPC classification number: Y02W30/94
Abstract: A refractory thermal insulator comprises blast furnace discharged water granulation slag of 57-60 wt.% having the particle size of 0.5-1.0 mm, blast furnace sludge of 30-35 wt.%, and bentonite of 3-5 wt.%. The mixture contains an organic binder which consists of sodium carboxylmethyl cellulose and the water with the ratio 1:1. The amount of binder and water is 10-20 wt.% against thermal insulating mixture. Refractory thermal insulator is manufactured by firing the mixture at 1,100-1,150 deg.C.
Abstract translation: 耐火绝热材料包括粒度为0.5-1.0mm，高粉矿泥为30-35wt。％的高炉排出水造粒矿渣57-60wt％，膨润土为3-5wt％。 该混合物含有由羧甲基纤维素钠和1:1比例的水组成的有机粘合剂。 粘合剂和水的量相对于绝热混合物为10-20重量％。 耐火绝热材料是通过在1,100-1,150℃烧成混合物来制造的。
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公开(公告)号：KR1020160029203A
公开(公告)日：2016-03-15
申请号：KR1020140117736
申请日：2014-09-04
Applicant: 재단법인 포항산업과학연구원
CPC classification number: F27B9/042 , F27B9/02 , F27B9/04 , F27B9/3005 , F27D17/00
Abstract: 열환원장치가개시된다. 일실시예에의한열환원장치는, 피환원물(1)이예열되며, 상기피환원물을환원부로장입하는예열부(10); 상기예열부에연결되며, 상기피환원물의열환원반응이일어나는환원부(20); 상기환원부에연결되며, 상기피환원물이유입되어외부로배출되는냉각부(30); 상기예열부와상기환원부사이에설치되는게이트밸브(40); 상기환원부와상기냉각부사이에설치되는게이트밸브(40); 및상기환원부에연결되며, 금속기체가응축되는응축기(60); 를포함하되, 상기환원부의내부에설치된제 1 차단막(51), 및상기환원부의내부에제 1 차단막과이격되어설치된제 2 차단막(52)을포함할수 있다.
Abstract translation: 公开了一种热还原装置。 根据本发明的实施例，所述热还原装置包括：预热单元（10），其预热还原物体（1）并将还原物体加载到还原单元; 所述还原单元（20）连接到所述预热单元，其中所述还原物体发生热还原反应; 连接到所述还原单元的冷却单元（30），所述还原物体从所述冷却单元流出并被排出到外部; 安装在所述预热单元和所述还原单元之间的闸阀（40） 安装在所述还原单元和所述冷却单元之间的闸阀（40） 和连接到所述还原单元的冷凝器（60），其中冷凝金属气体，其中安装在所述还原单元中的第一阻挡膜（51）和第二阻挡膜（52）安装成与所述还原单元中的所述第一阻挡膜分离 包括在内。
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公开(公告)号：KR1020150020386A
公开(公告)日：2015-02-26
申请号：KR1020130095929
申请日：2013-08-13
Applicant: 주식회사 포스코 , 재단법인 포항산업과학연구원
Abstract: 본 발명은 마그네슘 환원용 리토르트에 관한 것으로, 외통; 상기 외통의 상부에 개폐 가능하게 설치되는 상부 커버; 및 상기 외통의 하부에 밀착되도록 설치되는 하부 커버를 포함하는 마그네슘 환원용 리토르트를 제공한다.
Abstract translation: 本发明涉及一种用于镁还原的蒸馏器，包括：外容器; 可开闭地安装在外容器的上部的上盖; 以及安装以便紧密地附着到外部容器的下部的下盖。 因此，本发明提供一种用于减少镁的蒸煮装置，其可以提高蒸馏器的绝缘性和保密性，并且可以解决还原性和粘附性降低的问题。
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公开(公告)号：KR101242701B1
公开(公告)日：2013-03-18
申请号：KR1020100136971
申请日：2010-12-28
Applicant: 주식회사 포스코 , 재단법인 포항산업과학연구원
IPC: C22B26/22
Abstract: 본 발명의 일 측면은, 에너지 효율 향상 및 리토르트 수명 향상을 구현하는 수직형 열환원 마그네슘 제조장치를 제공하는 것이다. 본 발명의 일 실시예에 따른 수직형 열환원 마그네슘 제조장치는, 원료를 장입하여 환원되는 마그네슘 증기를 발생시키는 리토르트, 내부에 수직으로 설치되는 상기 리토르트를 가열하는 열환원로, 및 상기 리토르트에서 환원된 마그네슘 증기를 응축시켜 마그네슘을 회수하도록 상기 리토르트에 연결되는 상기 마그네슘 증기 이동관에서 분지된 분지관에 각각 연결되는 복수의 응축기, 및 상기 분지관에 각각 설치되어 선택적으로 제어되는 게이트 밸브를 포함한다.
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