公开(公告)号：KR100742879B1

公开(公告)日：2007-07-25

申请号：KR1020010051234

申请日：2001-08-24

申请人： 주식회사 포스코 ,  재단법인 포항산업과학연구원

发明人： 이성수

IPC分类号： C10B45/00

摘要： 본 발명은 야금용 코크스를 제조하기 위하여 원료석탄의 입도를 조정하는 방법에 관한 것으로, 그 목적은 코크스제조용 석탄에 대해 건류시 점결능력을 최대한 발휘할 수 있는 최적의 파쇄입도를 결정하는 방법을 제공함에 있다.

상기 목적을 달성하기 위한 본 발명은, 석탄탄종별 총불활성 성분량(TI), 최고유동도(L-MF), 평균반사율(Rm)을 측정하는 단계,
상기 총불활성 성분량(TI), 최고유동도(L-MF), 평균반사율(Rm)이 측정된 석탄에서 임의 입도이하의 입도분율에 따른 코크스 강도를 측정하는 단계,
상기 측정된 강도치중에서 최고강도에 해당하는 입도분율을 최적입도분율로 정하는 단계,
실조업에서 석탄탄종별 총불활성 성분량(TI), 최고유동도(L-MF), 평균반사율(Rm)을 측정하고 이 측정치가 해당하는 상기 임의 입도이하의 최적입도분율에 따라 석탄을 파쇄하는 단계를 포함하여 이루어지는 코크스 제조용 석탄의 입도조정방법에 관한 것을 그 기술적요지로 한다.
코크스, 석탄, 입조조정, 총불활성 성분량, 최고유동도, 평균반사율

公开(公告)号：KR100332913B1

公开(公告)日：2002-07-18

申请号：KR1019970071689

申请日：1997-12-22

申请人： 주식회사 포스코 ,  재단법인 포항산업과학연구원

发明人： 이성수 ,  민중기

IPC分类号： C10L9/10

摘要： PURPOSE: Provided are coal molding apparatus and method capable of preventing clog of apparatus. CONSTITUTION: The coal molding method using waste plastic as a binder comprises the steps of mixing waste plastic with coal by 10-15%, and molding the mixture at a temperature of slightly less than solidification temperature of the waste plastic used as a binder and a molding pressure greater than 200kg/cm¬2. The apparatus comprises a coal hopper(10), a coal transporting apparatus(20) installed under the coal hopper(10), a screw conveyer(30) in the coal transporting apparatus(20), a plastic hopper(40) coupled to a middle portion of the coal transporting apparatus(20), a pretreating apparatus(50) installed at the termination end of the transporting apparatus(20) for mixing the coal with the plastic and heating the mixture, a screw conveyer(80) for transporting the mixture, and a molding apparatus(90) coupled to the screw conveyer(80), wherein the pretreating apparatus(50) includes a preheating apparatus(60) for heating the mixture to a temperature below a softening temperature of the plastic and a heating apparatus(70) for heating the mixture to a temperature between the softening temperature and a solidification temperature of the plastic.

公开(公告)号：KR100306154B1

公开(公告)日：2001-11-30

申请号：KR1019960068743

申请日：1996-12-20

申请人： 주식회사 포스코 ,  재단법인 포항산업과학연구원

发明人： 이성수

IPC分类号： C21B7/00

摘要： PURPOSE: A method and apparatus for stably supplying fine coal used as fuel in a high-pressure coal combustion apparatus by use of air are provided. Whereby, the method permits the volume of a compressor for supplying fine coal conveying air to be set up suitably and prevents abrasion of pipes. CONSTITUTION: The fine coal supply apparatus comprise: a table feeder(2) at the lower side of a fine coal supply tank(1); an air supply pipe(4) connected to the table feeder by intervention of a lower pipe(3); a fine coal supply pipe(5) connected to one end part of the air supply pipe to convey fine coal supplied from the table feeder; a distribution tank(6) for mixing and feeding fine coal and air to a combustion furnace(8) by intervention of a distribution pipe(7). The gas solid ratio of nitrogen and fine coal is set up to 400kg-coa/m¬3-N2 or less and then fed to the table feeder and lower pipe.

公开(公告)号：KR1020010058059A

公开(公告)日：2001-07-05

申请号：KR1019990061521

申请日：1999-12-24

申请人： 주식회사 포스코 ,  재단법인 포항산업과학연구원

发明人： 이성수

IPC分类号： C10B37/02

CPC分类号： C10B57/04

摘要： PURPOSE: A combination method of crude coal for preparing cokes with controlled moisture content is provided for restricting ash, volatile matter(VM), log maximum fluidity(LMF), total dilatation(TD), mean reflectance(RM), composition balance index(CBI), strength index(SI) or total sulfur(TS). CONSTITUTION: The method for combining crude coal comprises to produce metallurgical cokes by introducing coal after controlling moisture content of the coal to 5.5-6.5%. The method is to accomplish less than 8.5% ash, 24.0-28.0% volatile matter, 2.32-2.58 LMF(log ddpm), 83-107% TD, 0.9-1.02 RM, 1.2-1.8 CBI, 3.5-4.0 SI and less than 0.7% by combining crude coal. The obtained coal combination can provide 200mm H2O or less of gas pressure when it is used in the production of cokes and can accomplish more than 86.0 of drum index(DI) and 65.0 or above of coke strength after reaction(CSR) for the produced cokes.

摘要翻译： 目的：提供制备焦炭含量控制的粗煤的组合方法，用于限制灰分，挥发物（VM），对数最大流动性（LMF），总膨胀（TD），平均反射率（RM），组成平衡指数 CBI），强度指数（SI）或总硫（TS）。 构成：原煤组合的方法包括在控制煤的含水量为5.5-6.5％后引入煤，生产冶金焦炭。 方法是完成小于8.5％的灰分，挥发物质的24.0-28.0％，2.32-2.58 LMF（log ddpm），83-107％TD，0.9-1.02 RM，1.2-1.8 CBI，3.5-4.0 SI和小于 0.7％由原煤组合。 获得的煤组合可用于生产焦炭时可获得200mmH2O或更低的气压，并且可以实现超过86.0的鼓指数（DI）和65.0以上的反应后的焦炭强度（CSR），生产焦炭 。

公开(公告)号：KR1019900004935B1

公开(公告)日：1990-07-12

申请号：KR1019870015095

申请日：1987-12-28

申请人： 주식회사 포스코 ,  재단법인 포항산업과학연구원

发明人： 이성수

IPC分类号： C10B57/04

摘要： A formed briquet-mixed coke is manufactured by mixing 30% formed briquet with 70% powdered coal, and putting the mixture into the coke oven. The formed briquet is pref. manufactured by mixing 7% soft- pitch of 25 deg. C of softening temperature as a binder with the powdered coal. The formed briquet has a fluidity of 2.0-3.0.

摘要翻译： 通过将30％形成的块状物与70％粉煤混合并将混合物放入焦炉中制成形成的块状混合焦炭。 形成的砖块是首选。 通过混合25％的7％软沥青制成。 C的软化温度作为粘结剂与粉煤。 形成的砖块的流动性为2.0-3.0。

公开(公告)号：KR100582164B1

公开(公告)日：2006-05-23

申请号：KR1020010051742

申请日：2001-08-27

申请人： 재단법인 포항산업과학연구원

发明人： 김장규 ,  이성수

IPC分类号： C21B5/00

摘要： 본 발명은 분체 수송에 있어서 기계적 정량 공급장치를 사용하지 않고도 기체의 유량만을 조절하여 분체의 수송량을 정밀 제어하는 분체 기류 수송량 제어장치에 관한 것으로,
분체 저장 탱크(1)로부터 분체를 교대로 공급받도록 각각 공급 밸브(14)가 연결된 다수개의 분체 주입용 탱크(2)에 유동화 기체(3)가 공급되어 분체 배출구(15)로 분체를 배출하는 분체 기류 수송장치에 있어서,
상기 분체 저장 탱크(1)와 밸브 사이에는 압력 배출구(6)가 분기된 플렉시블 연결관(5)이 연결 설치되고, 상기 분체 주입용 탱크(2) 내부의 압력을 조절하도록 가압 조절용 개폐 밸브(8)와 배압 조절용 개폐 밸브(9)가 각각 연결 설치되고, 상기 분체 주입용 탱크(2)만의 중량을 측정하도록 전자 저울(10)이 설치되고, 상기 분체 배출구(15)에는 미세 조정용 기체(4)가 분체의 유동 방향과 반대 방향으로 공급되도록 미세 조정용 비례제어 밸브(7)가 설치되고, 상기 가압 조절용 개폐 밸브(8)와 배압 조절용 개폐 밸브(9) 및 미세 조정용 비례제어 밸브(7)를 제어하는 제어기(13)를 포함하여 구성됨을 특징으로 하여, 분체의 수송량을 정밀하고 신속하게 제어할 수 있는 효과가 있다.
플렉시블 연결관, 전자 저울, 미세 조정용 기체, 미세 조정용 비례제어 밸브

公开(公告)号：KR1020040056067A

公开(公告)日：2004-06-30

申请号：KR1020020082603

申请日：2002-12-23

申请人： 재단법인 포항산업과학연구원

发明人： 이성수

IPC分类号： C10B53/00

摘要： PURPOSE: A method for producing metallurgical coke is provided to prevent quality deterioration of coke due to non-dry distillation or excessive dry distillation by supplying proper dry distillation heat capacity according to types of coal in the dry distillation process of blended coal. CONSTITUTION: The method comprises a step of obtaining content of volatile matter of blended coal in which raw coal is blended; a step of measuring dry distillation heat capacity of the blended coal; a step of obtaining a correlation between the content of the volatile matter of the blended coal and the dry distillation heat capacity of the blended coal; and a step of dry distilling the blended coal with the dry distillation heat capacity obtained by substituting the content of the volatile matter of the blended coal for the correlation in actual coke operation, wherein the content of the volatile matter of the blended coal (VM) and the dry distillation heat capacity (DH) satisfy the following relational expression: DH=-259.5xVM+5,177.1.

摘要翻译： 目的：提供一种生产冶金焦的方法，以通过在混煤的干馏过程中根据煤种提供适当的干馏热容，防止由于非干馏或过度干馏造成的焦炭质量下降。 方法：该方法包括获得原煤混合的混煤的挥发物含量的步骤; 测量混煤的干馏热容量的步骤; 获得混合煤的挥发性物质的含量与混合煤的干馏热容量之间的相关性的步骤; 以及通过将混合煤的挥发性物质的含量替换为实际焦炭操作中的相关性而获得的干馏热能的干混蒸馏步骤，其中混合煤（VM）的挥发物的含量 干馏热容量（DH）满足以下关系式：DH = -259.5×VM + 5,177.1。

公开(公告)号：KR1020040021115A

公开(公告)日：2004-03-10

申请号：KR1020020052570

申请日：2002-09-02

申请人： 재단법인 포항산업과학연구원

发明人： 정두화 ,  이재웅 ,  이성수

IPC分类号： C04B35/10

CPC分类号： C04B35/101 ,  C04B35/6303 ,  C04B35/66 ,  C04B2235/522 ,  C04B2235/5427

摘要： PURPOSE: Provided is a heat insulating castable refractory composition for shotcrete, which is used for heat insulation of a wall or a tundish cover of a steel making furnace and has excellent heat insulating property and operation capability. CONSTITUTION: The heat insulating castable refractory composition for shotcrete comprises: 20-30 wt% of alumina powder having a size of 0.074 mm or less; 20-30 wt% of ceramic fibers; 10-15 wt% of alumina cement; 2-3 wt% of silica flower; 1-2 wt% of a mullite bonded clinker having a particle size of 3 mm or less; and other inevitable impurities. The refractory composition additionally comprises 0.1-0.4 wt% of sodium hexametaphosphate as an extra component, based on the total weight of the composition.

摘要翻译： 目的：提供一种用于喷浆混凝土的隔热浇注耐火材料组合物，用于制钢炉壁或中间罐盖的隔热，具有优良的隔热性能和操作性能。 构成：喷浆混凝土的隔热浇注耐火材料组合物包括：20-30重量％的尺寸为0.074mm或更小的氧化铝粉末; 20-30重量％的陶瓷纤维; 10-15重量％的氧化铝水泥; 2-3重量％的二氧化硅花; 1-2重量％的粒径为3mm以下的莫来石接合熟料; 和其他不可避免的杂质。 基于组合物的总重量，耐火材料组合物另外包含0.1-0.4重量％的六偏磷酸钠作为额外组分。

公开(公告)号：KR1020020051969A

公开(公告)日：2002-07-02

申请号：KR1020000079948

申请日：2000-12-21

申请人： 주식회사 포스코 ,  재단법인 포항산업과학연구원

发明人： 이성수

IPC分类号： C10B55/00

CPC分类号： C10L5/406

摘要： PURPOSE: A formed coke breeze composition made by blending coke breeze and plastics waste as binder is provided to recycle waste from steelmaking industries. The coke breeze composition of the present invention has improved strength in comparison with conventional metallurgical coke that is prepared by blending coke breeze and pitch as binder. CONSTITUTION: The formed coke breeze composition comprises coke breeze 70-78 wt.%, plastics waste 10-18 wt.% and coal 12-20 wt.% wherein the formed coke breeze composition has a fluidity of higher than 0.57ddpm and volatile fraction thereof ranges from 3.95 to 6.59 wt.%.

摘要翻译： 目的：通过将焦炭和塑料废料作为粘合剂混合而成的焦炭微风成分被提供来回收炼钢行业的废物。 与通过将焦炭和沥青作为粘合剂混合制备的常规冶金焦相比，本发明的焦炭组合物具有改善的强度。 构成：形成的焦炭微风组合物包含70-78重量％的焦炭，10-18重量％的塑料废料和12-20重量％的煤，其中形成的焦炭微风组合物的流动性高于0.57ddpm，挥发分数 其范围为3.95至6.59重量％。

公开(公告)号：KR1020020016264A

公开(公告)日：2002-03-04

申请号：KR1020000049501

申请日：2000-08-25

申请人： 주식회사 포스코 ,  재단법인 포항산업과학연구원

发明人： 이성수

IPC分类号： C10B45/00

CPC分类号： C10B57/00

摘要： PURPOSE: A method for controlling particle sizes of raw coal for metallurgical coke making is provided which controls the particle sizes of the raw coal by setting a crushing standard from relational diagram of the total inert and the maximum fluidity of the raw coal. CONSTITUTION: In a method for controlling particle sizes of raw coal for coke making into which two or more coals are blended, the method for controlling the particle sizes of the raw coal for coke making comprises the steps of measuring a maximum fluidity of the raw coal blended and contents of the total inert; obtaining particle size fractions of 3 mm or less for each of the raw coals using the measured maximum fluidity and the contents of the total inert; and blending the raw coals after preparing each of the raw coals so that the raw coals have the obtained particle size fractions of 3 mm or less.

摘要翻译： 目的：提供一种用于控制冶金焦炭生产原煤粒度的方法，通过根据总惰性和原煤最大流动性的关系图设定破碎标准，控制原煤的粒度。 构成：在一种用于控制焦炭生焦原料的方法中，其中混合有两种或更多种煤，用于控制焦炭原煤的颗粒尺寸的方法包括以下步骤：测量原煤的最大流动性 混合和内容物总惰性; 使用测量的最大流动性和总惰性的含量，获得每种原料煤的3mm或更小的粒度分数; 并且在制备每个原料煤之后混合原料煤，使得所述原料煤具有所获得的粒径分数为3mm以下。