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1. 发明公开

KR1020050068422A 냉각 효율이 우수한 회전식 소성로의 냉각기 및 냉각방법 无效
标题翻译：具有优良冷却效率的滚筒式冷却器和冷却方法
公开(公告)号：KR1020050068422A
公开(公告)日：2005-07-05
申请号：KR1020030099816
申请日：2003-12-30
申请人： 주식회사 포스코
发明人： 우재태 , 김종련 , 김만근
IPC分类号： F27D9/00
CPC分类号： F27B7/383 , C04B2/10 , F27B7/42
摘要： 본 발명은 석회석 소성로의 냉각기에 장입되는 소성 제품을 입자의 크기에 관계없이 균일 냉각될 수 있는 적치 형상을 이루도록 냉각기 상부에 소성 제품의 분포를 조절하여 균일하고 충분한 냉각을 도모할 수 있는 냉각 효율이 우수한 회전식 소성로의 냉각기 및 냉각방법에 관한 것이다.
본 발명은 생석회 및 경소백운석을 생산하는 회전식 석회 소성로의 소성 제품을 냉각시키기 위한 냉각기에 있어서, 상기 소성로로부터 공급되어 장입되는 소성 제품을 냉각공기를 사용하여 냉각시키기 위한 냉각기 본체와, 상기 냉각기 본체의 투입구에 설치되어 소성 제품이 적치될 때 소성 제품의 적치 형상과 입자 크기에 대한 분포제어를 통하여 소성 제품을 균일 냉각시키기 위한 분포조절수단으로 구성되는 것을 특징으로 한다.

2. 发明公开

KR1020030050692A 고로 노저에서의 가스누출 방지장치 无效
标题翻译：用于防止气体从BLAST FURNACE底部泄漏的装置
公开(公告)号：KR1020030050692A
公开(公告)日：2003-06-25
申请号：KR1020010081198
申请日：2001-12-19
申请人： 주식회사 포스코
发明人： 우재태 , 김갑열 , 손병연
IPC分类号： C21B7/00
CPC分类号： C21B7/24
摘要： PURPOSE: An apparatus for preventing leakage of gas from the bottom of blast furnace is provided to cut off path of gas leakage using gas leakage preventing material so that gas inside blast furnace is prevented from leaking to the outside through an aperture formed on the bottom part of the blast furnace during blast furnace operation. CONSTITUTION: In an apparatus for preventing blast furnace gas from leaking through an aperture formed by difference of thermal expansion coefficient between concrete(7) constructed in the state that the concrete is supported by skirt plate(10) in the lower part of blast furnace metal case(3) and the metal case(3), the apparatus for preventing leakage of gas from the bottom of blast furnace comprises an outer prevention plate(11a) connected upwardly to the upper part of the skirt plate(10); inner prevention plate(11b) perpendicularly connected to the outer end part of the blast furnace metal case; and a gas leakage prevention material(9) for filling up a receiving space formed between the outer prevention plate and inner prevention plate, wherein the gas leakage prevention material(9) comprises carbon powder, tar and anthracene oil, wherein the carbon powder, tar and anthracene oil are mixed in a mixing ratio of 5:4.5:0.5, wherein the carbon powder comprises 90 wt.% or more of fixed carbon, and 0.1 wt.% or less of Fe2O3.
摘要翻译：目的：提供一种用于防止气体从高炉底部泄漏的装置，以便利用防漏气材料切断气体泄漏路径，从而防止高炉内的气体通过底部形成的孔泄漏到外部的高炉操作中的高炉。构成：在用于防止高炉煤气通过由在高炉金属下部的裙板（10）支撑混凝土的状态下构成的混凝土（7）之间的热膨胀系数差异形成的孔的装置中，壳体（3）和金属壳体（3），用于防止气体从高炉底部泄漏的装置包括：向上连接到裙板（10）的上部的外防止板（11a）; 内部防止板（11b）垂直于高炉金属外壳的外端部连接; 以及用于填充形成在外防止板和内防板之间的接收空间的防漏气材料（9），其中所述防漏气材料（9）包括碳粉，焦油和蒽油，其中所述碳粉，焦油和蒽油以5:4.5:0.5的混合比混合，其中，碳粉末含有90重量％以上的固定碳和0.1重量％以下的Fe 2 O 3。

3. 发明授权

KR100368267B1 고로노벽 보수재 분사장치 失效
标题翻译： 고로노벽보수재분사장치
公开(公告)号：KR100368267B1
公开(公告)日：2003-01-24
申请号：KR1020000077759
申请日：2000-12-18
申请人： 주식회사 포스코
发明人： 우재태 , 조봉래 , 김봉호
IPC分类号： C21B7/00
摘要： PURPOSE: An apparatus for spraying repairing materials onto the wall of a blast furnace is provided to prevent vibration of a nozzle body due to spray pressure by simultaneously spraying the repairing materials from both ends of the nozzle body, increase adhesion ratio of the repairing materials, and shorten repairing time. CONSTITUTION: In an apparatus which is connected to a wire rope of a manipulator so that the apparatus is entered into a blast furnace so as to be moved up and down, and equipped with a nozzle body supplying repairing materials through a supply hose connected to a feed gun so as to spray the repairing materials onto the inner wall of the blast furnace, the apparatus comprises a spray adaptor(50) which is installed on the lower surface of the nozzle body, and in which a plurality of repairing material exit lines(51a,52a) are symmetrically arranged around a repairing entrance line(53a) connected to the supply hose; and spray nozzles(51,52) each of which are exchangeably assembled onto the repairing material exit lines(51a,52a) so as to spray repairing materials supplied through the repairing entrance line(53a) onto the inner wall side of the blast furnace in an equal spray pressure.
摘要翻译：本发明提供了一种将修复材料喷射到高炉壁上的装置，通过从喷嘴体两端同时喷射修补材料，提高修补材料的附着率，防止喷射压力引起的喷嘴体振动，并缩短修复时间。本发明涉及一种装置，该装置与机械手的钢丝绳连接，使得该装置进入高炉以便上下移动，并且装备有供给修理材料的喷嘴体，该修理材料通过连接到以便将修补材料喷射到高炉内壁上，该设备包括一个安装在喷嘴体下表面上的喷射适配器（50），其中多个修理材料出口管线（ 51a，52a）围绕与供给软管连接的修理入口线（53a）对称地布置; 和喷嘴（51,52），每个喷嘴都可更换地组装到修理材料出口管线（51a，52a）上，以便将修理材料通过修理进口管线（53a）供应的修理材料喷射到高炉内壁侧相等的喷雾压力。

4. 发明公开

KR1020010057128A 열풍로의 열풍통풍성이 우수한 연와 失效
标题翻译：在空气加热炉中具有超高温空气过滤器的砖块
公开(公告)号：KR1020010057128A
公开(公告)日：2001-07-04
申请号：KR1019990058907
申请日：1999-12-18
申请人： 주식회사 포스코
发明人： 우재태 , 김재식
IPC分类号： C21B9/00
CPC分类号： C21B9/02
摘要： PURPOSE: Bricks having superior hot air draft in an air heating furnace are provided which smoothly supply hot air into a blast furnace as before the modification and extend the life cycle of the air heating furnace by securing the conditions that the hot air can be supplied into the blast furnace even after the modification of bricks of the air heating furnace just as before the modification. CONSTITUTION: In bricks improved so that the hot air draft is superior in an air heating furnace supplying hot air into a blast furnace, the bricks having superior hot air draft in an air heating furnace comprise taper type concave grooves (20) on the surface of the lower part of a body (10) on which a plurality of ventilating holes (145) are formed so that the ventilating holes (145) are all connected from the surface of the lower part of the body (10) to the taper type concave grooves (20), wherein the taper type concave grooves (20) is formed at the center of the lower surface of the body (10), the body (10) is cut concave so that taper type inclined surfaces are formed at the center of the body, thereby forming a big channel in which a plurality of hot air ventilating holes (145) are integrated at the center of the lower surface of the body (10) due to the taper type concave grooves (20), and wherein the taper type inclined surfaces are constructed so that the hot air is flown into the plurality of ventilating holes (145) as minimizing the flow resistance due to the hot air of a high temperature passing through the concave grooves (20).
摘要翻译：目的：提供在空气加热炉中具有优异热风通风的砖，其在改性之前平稳地向高炉供应热空气，并且通过确保可以供应热空气的条件来延长空气加热炉的寿命周期高炉甚至在空气加热炉砖改装后就像修改一样。构成：在提高了向空气加热炉供给高炉的空气加热炉中的热风通风优良的砖中，在空气加热炉中具有优异的热风通风的砖包括在表面上的锥形凹槽（20）主体（10）的下部形成有多个通气孔（145），使得通风孔（145）全部从主体（10）的下部的表面连接到锥形凹部凹槽（20），其中锥形凹槽（20）形成在主体（10）的下表面的中心处，主体（10）被切割成凹形，使得锥形倾斜表面形成在从而形成由于锥形凹槽（20）而在主体（10）的下表面的中心处集成有多个热风通风孔（145）的大通道，并且其中锥形构造为倾斜的表面，使得热空气流入所述多个通风孔（145）使由于通过所述凹槽（20）的高温的热空气引起的流动阻力最小化。

5. 发明公开

KR1020030035576A 고로 열풍로 연소제어방법 失效
标题翻译：燃烧锅炉燃烧控制方法
公开(公告)号：KR1020030035576A
公开(公告)日：2003-05-09
申请号：KR1020010067686
申请日：2001-10-31
申请人： 주식회사 포스코
发明人： 김종민 , 김갑열 , 우재태
IPC分类号： C21B9/00
CPC分类号： C21B9/10
摘要： PURPOSE: A combustion control method for hot stove of blast furnace is provided to obtain energy saving effect according to heat efficiency improvement by reducing supplying unnecessary gas and excess air and lengthen life span of facility by preventing residual stress cracks of the outer metal shell weld line part of the hot blast. CONSTITUTION: The combustion control method for hot stove of blast furnace comprises the steps of obtaining mixed gas volume by blast furnace operation conditions inputted and set in process computer and mathematical expression 1, and setting the obtained value as a reference gas volume; obtaining a compensation value of reference gas volume for mixed gas by applying a negative compensating addition and subtraction amount in proportion to the higher extent in case that the temperature values are higher than a certain reference value and applying a positive compensating addition and subtraction amount in proportion to the lower extent in case that the temperature values are lower than the certain reference value after temperature values measured at the end of blowing are received in online by process computer; obtaining a compensation value of reference gas volume for mixed gas by applying a negative compensating addition and subtraction amount in proportion to the greater extent in case that the opening degrees are greater than a certain reference value and applying a positive compensating addition and subtraction amount in proportion to time difference between time for reaching the value and the end of blowing in case that the opening degrees at the end of blowing are the same as or less than the certain reference value after opening degrees of cold blast mixing control valve measured during blowing are received in online by the process computer; and compensating the reference gas volume by the average value after averaging the obtained two compensation values, and applying the compensated reference gas volume as a gas control setting value during the following combustion by transmitting the compensated reference gas volume to DCS (direct control system).
摘要翻译：目的：提供高炉热风炉的燃烧控制方法，通过减少不必要的气体和过量空气的供应，通过防止外部金属外壳焊接线的残余应力裂纹，延长设备使用寿命，从而获得节能效果。部分热风。构成：高炉热风炉的燃烧控制方法包括以下步骤：通过输入和设置在过程计算机中的高炉操作条件和数学式1获得混合气体体积，并将获得的值设置为参考气体体积; 通过在温度值高于某一参考值的情况下，通过以较高的比例应用负补偿加减量来获得混合气体的参考气体体积的补偿值，并且按比例施加正补偿加减量在过程计算机在线接收在吹风结束时测量的温度值之后，温度值低于某个参考值的情况下，到较低程度; 通过在开度大于某一参考值的情况下，通过在较大程度上成比例地施加负补偿加减量来获得混合气体的参考气体体积的补偿值，并且按比例施加正补偿加减量在吹送结束时的开度与吹入期间测量的冷风混合控制阀的打开程度之后相同或小于某个参考值的情况下，达到达到值和吹送结束的时间之间的时间差在线过程电脑; 以及在对所获得的两个补偿值进行平均之后补偿参考气体体积平均值，并且在随后的燃烧期间通过将补偿的参考气体体积传送到DCS（直接控制系统）来施加补偿的参考气体体积作为气体控制设定值。

6. 发明授权

KR100380749B1 열풍로의 열풍통풍성이 우수한 연와 失效
标题翻译： 열풍로의열풍통풍성이우수한연와
公开(公告)号：KR100380749B1
公开(公告)日：2003-04-18
申请号：KR1019990058907
申请日：1999-12-18
申请人： 주식회사 포스코
发明人： 우재태 , 김재식
IPC分类号： C21B9/00
摘要： PURPOSE: Bricks having superior hot air draft in an air heating furnace are provided which smoothly supply hot air into a blast furnace as before the modification and extend the life cycle of the air heating furnace by securing the conditions that the hot air can be supplied into the blast furnace even after the modification of bricks of the air heating furnace just as before the modification. CONSTITUTION: In bricks improved so that the hot air draft is superior in an air heating furnace supplying hot air into a blast furnace, the bricks having superior hot air draft in an air heating furnace comprise taper type concave grooves (20) on the surface of the lower part of a body (10) on which a plurality of ventilating holes (145) are formed so that the ventilating holes (145) are all connected from the surface of the lower part of the body (10) to the taper type concave grooves (20), wherein the taper type concave grooves (20) is formed at the center of the lower surface of the body (10), the body (10) is cut concave so that taper type inclined surfaces are formed at the center of the body, thereby forming a big channel in which a plurality of hot air ventilating holes (145) are integrated at the center of the lower surface of the body (10) due to the taper type concave grooves (20), and wherein the taper type inclined surfaces are constructed so that the hot air is flown into the plurality of ventilating holes (145) as minimizing the flow resistance due to the hot air of a high temperature passing through the concave grooves (20).
摘要翻译：目的：提供一种在空气加热炉中具有优良的热空气通风的砖，其如同修改之前那样向热风炉中平稳地供应热空气，并且通过确保热空气能够供给的条件来延长空气加热炉的生命周期即使在修改空气加热炉的砖块之后，高炉也是如此。本发明的目的在于提供一种在向高炉中供应热空气的空气加热炉中热风抽吸性能优良的砖中，在空气加热炉中具有优良热空气抽吸的砖在其表面上包括锥形凹槽（20）（10）的下部形成有多个通风孔（145），从而通风孔（145）全部从主体（10）的下部的表面连接到锥形凹部其中锥形凹槽（20）形成在本体（10）的下表面的中心处，凹槽（20）被切割成凹形，使得锥形的倾斜表面形成在本体由此形成大通道，其中由于锥形凹槽（20）而在本体（10）的下表面的中心处集成有多个热空气通风孔（145），并且其中锥形类型的倾斜表面被构造成使得热空气流入所述多个通风孔（145）使得由于穿过所述凹槽（20）的高温热空气导致的流动阻力最小化。

7. 发明公开

KR1020020055191A 고로의 구간별 장입물 분포 제어방법 失效
标题翻译：用于控制燃烧材料每分段的分布的方法
公开(公告)号：KR1020020055191A
公开(公告)日：2002-07-08
申请号：KR1020000084554
申请日：2000-12-28
申请人： 주식회사 포스코
发明人： 허금식 , 우재태
IPC分类号： C21B5/00
CPC分类号： C21B5/008 , C21B7/20 , F27B1/20 , F27D3/10
摘要： PURPOSE: A method for controlling distribution of charging materials per sections of a blast furnace is provided to effectively control shape of cohesive zone in the blast furnace through distribution adjustment of the charging materials injected per sections of a radius direction of the blast furnace. CONSTITUTION: In a blast furnace operation in which charging materials are injected into a blast furnace through the upper part of the blast furnace using a rotation chute(1), and hot metal is discharged through a tap hole at the lower part of a tuyere by blowing hot air into the blast furnace through the lower part of the blast furnace, the method for controlling distribution of charging materials per sections of the blast furnace is characterized in that charging material distribution per sections of the charging materials is controlled by axially connecting an angle adjusting type repulsion plate(1-2) having the same movements as a tilting angle of the rotation chute(1) to the rotation chute so that an angle of the angle adjusting type repulsion plate(1-2) is adjusted by tilting of the rotation chute.
摘要翻译：目的：提供一种控制高炉各部分充电材料分配的方法，通过对高炉半径方向注入的充电材料的分布调整，有效控制高炉内凝聚区的形状。构成：在高炉操作中，通过使用旋转斜槽（1）将充电材料通过高炉的上部注入高炉，并且通过风口下部的抽头孔将热金属排出，通过高炉的下部将高温空气吹入高炉，高炉每段控制配料分配的方法的特征在于充电材料每部分的充电材料分布通过轴向连接角度调节型排斥板（1-2）具有与旋转斜槽（1）的倾斜角度相同的旋转滑槽的相同的运动，使得角度调节型排斥板（1-2）的角度通过旋转滑槽

8. 发明公开

KR1020020051801A 노벽보수에 따른 고로 통기성 향상방법 失效
标题翻译：根据炉膛维修改进烤炉空气渗透性的方法
公开(公告)号：KR1020020051801A
公开(公告)日：2002-06-29
申请号：KR1020000081392
申请日：2000-12-23
申请人： 주식회사 포스코
发明人： 최을용 , 김학형 , 우재태 , 이상호
IPC分类号： C21B5/00
CPC分类号： C21B5/008 , C21B7/06 , F27D1/1636
摘要： PURPOSE: A method for improving air-permeability in a blast furnace according to repairing of furnace wall is provided to easily increase operating rate by charging an air-permeability improving material in a multilayer into a furnace wall repairing material accumulated on the surface of charging materials in the blast furnace. CONSTITUTION: In a blast furnace wall repairing operation in which sintered ore and coke are alternately charged into a blast furnace from the top of the blast furnace, and a repairing material(150) are sprayed onto the inner wall(104) to repair the inner wall(104) of the blast furnace injecting hot air and pulverized coal from a tuyere(120), the method for improving air-permeability in the blast furnace according to repairing of furnace wall comprises the processes of charging an intercepting material(140) onto a charging material layer(110) a level of which is reduced before repairing the furnace wall of the blast furnace; and charging an air-permeability improving material(170) onto the intercepting material(140) in a multilayer of one or more layers according to a total consumption amount of a furnace wall repairing material(150) dropped on the intercepting material(140), thereby early increasing operating rate and securing air-permeability during reblowing of the blast furnace after repairing the blast furnace.
摘要翻译：目的：提供一种根据炉壁修复提高高炉中的透气性的方法，通过将多层中的透气性改善材料装入堆积在充电材料表面上的炉壁修复材料中以容易地提高开工率在高炉里。构成：在高炉炉壁修复操作中，烧结矿石和焦炭从高炉的顶部交替地装入高炉中，并且将修复材料（150）喷射到内壁（104）上以修复内壁高炉注射热空气的壁（104）和来自风口（120）的粉煤，根据炉壁的修复，提高高炉的透气性的方法包括将截留材料（140）装入到充电材料层（110），其在修复高炉的炉壁之前被降低; 以及根据落在所述拦截材料（140）上的炉壁修复材料（150）的总消耗量，将透气性改善材料（170）以一层或多层的多层填充到所述截留材料（140）上，从而提高运行速度，并在修复高炉之后确保高炉再生期间的透气性。

9. 发明授权

KR100804230B1 고로 열풍로 연소제어방법 失效
标题翻译：燃烧锅炉燃烧控制方法
公开(公告)号：KR100804230B1
公开(公告)日：2008-02-18
申请号：KR1020010067686
申请日：2001-10-31
申请人： 주식회사 포스코
发明人： 김종민 , 김갑열 , 우재태
IPC分类号： C21B9/00
摘要： 본 발명은 고로 열풍로 연소제어방법에 관한 것으로서,
제철소 고로(高爐) 공정에서 고로 풍구에 고온의 기체(공기)를 공급하는 열풍로 설비의 조업을 위한 연소제어를 함에 있어서, 프로세스 컴퓨터를 이용하여, 가스량 계산시에 축열실의 잔축열을 고려한 자동보정을 하고, 연소에 필요한 가스량 및 공연비의 계산설정을 자동으로 연산할 수 있도록 한 것을 특징으로 하며,
불필요한 가스와 과잉공기의 공급을 감소시켜, 열효율 향상에 따른 에너지 절감 효과를 제공하며, SCC(Stress Corrosion Crack)에 의한 열풍로 외철피 용접선부의 잔류응력 균열을 방지하여 설비의 장수명화를 가져오는 효과를 제공한다.
고로, 열풍로, 연소 제어, 가스량, 공연비

10. 发明公开

KR1020040044743A 열풍관의 연와축조방법 无效
标题翻译：用于构造热喷枪砖的方法
公开(公告)号：KR1020040044743A
公开(公告)日：2004-05-31
申请号：KR1020020072910
申请日：2002-11-22
申请人： 주식회사 포스코
发明人： 우재태 , 손병연
IPC分类号： C21B9/10
CPC分类号： C21B9/10 , C21B9/06
摘要： PURPOSE: A method for constructing bricks of hot blast pipe is provided to extend life time of hot stove by effectively preventing damage of insulation brick layer due to thermal shock generated when hot blast passes through the hot blast pipe and infiltration hot blast through expansion zone. CONSTITUTION: In constructing bricks of hot blast pipe such as blowing pipe(130) connected to proceed hot blast between combustion chamber and checker chamber of hot stove for supplying hot blast into blast furnace, the method for constructing bricks of the hot blast pipe is characterized in that a sealing member(132a) having superior erosion resistance is constructed in an insulation brick(132) layer directly contacted with expansion zone(160) between insulation brick(131) layers at the inner most side of the hot blast pipe directly contacted with hot blast so as to prevent damage of the insulation brick layer by infiltrated hot blast through the expansion zone, wherein the insulation bricks(131,132) are respectively consisted of silica brick and porous silica brick, and the sealing member is consisted of high alumina brick having superior erosion resistance.
摘要翻译：目的：提供一种制作热风管砖的方法，通过有效防止热风穿过热风管产生的热冲击，并通过膨胀区渗透热风，有效防止绝热砖层的损坏，延长热风炉的使用寿命。构成：在构建连接在燃烧室和热炉炉膛的热风炉之间进行热风的吹风管（130）的热风炉砖中，用于向高炉供应热风，热风管砖的构造方法的特征在于因为具有优良耐侵蚀性的密封构件（132a）被构造在绝热砖（132）层中，该绝热砖（132）层与热膨胀管最内侧的绝热砖（131）层之间直接接触的绝缘砖（132）直接接触，热风，以防止通过膨胀区的渗透热风破坏绝缘砖层，其中绝热砖（131,132）分别由硅砖和多孔硅砖组成，密封构件由高铝砖组成，具有优越的耐腐蚀性。

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