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91. 发明授权

KR100424814B1 고로 하부의 통액성 및 불활성 지수 판단방법 失效
标题翻译： 고로하부의통액성및불활성지수판단방법
公开(公告)号：KR100424814B1
公开(公告)日：2004-03-30
申请号：KR1019990055877
申请日：1999-12-08
申请人： 주식회사 포스코
发明人： 이상호 , 장필선 , 김재식 , 백승래
IPC分类号： C21B7/24
摘要： PURPOSE: A method for judging fluid permeability and inactivity index of the lower part of a blast furnace is provided to maintain stable operating conditions of the blast furnace by estimating a particle diameter of coke in the center of the blast furnace which is an index of the inactivity and fluid permeability of the lower part of the blast furnace so as to take a measure for improving quality of coke when the particle diameter of coke is decreased for a long period of time. CONSTITUTION: The method comprises a first step of detecting average particle diameter of charged coke, cold strength of charged coke, hot strength of charged coke and pulverized coal injection amount respectively; a second step of obtaining an average coke particle diameter at the tuyere level based on the average particle diameter of charged coke, cold strength of charged coke, hot strength of charged coke and pulverized coal injection amount detected in the first step; and a third step of judging fluid permeability and inactivity index by the average coke particle diameter at the tuyere level obtained in the second step.
摘要翻译：目的：提供一种用于判断高炉下部的流体渗透性和无活性指数的方法，以通过估算高炉中心的焦炭粒径（其为指标）来保持高炉的稳定操作条件不活泼性和流体渗透性，以便当焦炭的粒径长时间降低时采取改善焦炭品质的措施。该方法包括：第一步：检测加入的焦炭的平均粒径，加入的焦炭的冷强度，加入的焦炭的热强度和粉煤喷入量; 第二步骤，基于第一步骤中检测的装入焦炭的平均粒径，装入的焦炭的冷强度，装入的焦炭的热强度和粉煤喷入量，获得在风口水平下的平均焦炭粒径; 以及第三步骤，通过第二步骤中获得的风口水平处的平均焦炭粒径来判断流体渗透性和无活性指数。

92. 发明授权

KR100395111B1 노벽보수에 따른 고로 통기성 향상방법 失效
标题翻译： 노벽보수에따른고로통기성향상방법
公开(公告)号：KR100395111B1
公开(公告)日：2003-08-21
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
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：提供一种通过修复炉壁来提高高炉中的透气性的方法，以便通过将多层中的透气性改进材料装入堆积在充电材料表面上的炉壁修补材料中而容易地提高开工率在高炉中。本发明提供了一种高炉壁修复作业，其中，从高炉炉顶将烧结矿和焦炭交替装入高炉中，并将修补材料（150）喷洒到内壁（104）上以修复内部高炉炉壁（104）从风口（120）喷射热空气和粉煤，根据炉壁修复提高高炉空气渗透性的方法包括将截流材料（140）在维修高炉炉壁之前水平降低的装料层（110）以及根据滴落在所述拦截材料（140）上的炉壁修补材料（150）的总消耗量将透气性改进材料（170）以多层一层或多层填充到所述拦截材料（140）上，从而可以在高炉修理后的高炉回流过程中提早提高开工率和确保透气性。

93. 发明公开

KR1020030053849A 고미분탄 고로 노하부의 열전달을 향상시키는 조업방법 有权
标题翻译：用于改进燃烧炉下部热传递的高粉煤注入操作方法
公开(公告)号：KR1020030053849A
公开(公告)日：2003-07-02
申请号：KR1020010083869
申请日：2001-12-24
申请人： 주식회사 포스코
发明人： 조봉래 , 이상호
IPC分类号： C10B31/00
摘要： PURPOSE: A higher pulverized coal injection operation method is provided to increase temperature of dead man and prevent accumulation of non-burnt carbon by blowing pure oxygen along with air into the blast furnace when increasing injection ratio of pulverized coal to improve heat transfer efficiency in the lower part of blast furnace. CONSTITUTION: In a method for performing blast furnace operation by injecting higher pulverized coal into blast furnace, the higher pulverized coal injection operation method for improving heat transfer in the lower part of the blast furnace comprises the steps of determining level of injection ratio of pulverized coal; obtaining an oxygen enrichment ratio according to the determined pulverized coal injection ratio; judging whether an injection ratio of pulverized coal exceeds 150 kg/t-P or not; and blowing oxygen into the blast furnace using lance, wherein the oxygen enrichment ratio is determined by the following table 1 in the step of obtaining an oxygen enrichment ratio according to the determined pulverized coal injection ratio: and wherein a lower limit value of the oxygen enrichment ratio in the step of obtaining an oxygen enrichment ratio according to the determined pulverized coal injection ratio is determined by the following expression 1:£{(VBx0.21)+(O2/60)}/{VB+(O2/60)}|-0.21x100, where VB is blowing amount (m¬3/min), and O2 is supply amount of oxygen (m¬3/hr).
摘要翻译：目的：提高粉煤注射操作方法，提高死人的温度，防止未燃烧碳的积累，通过在提高粉煤的喷射比例的同时，将纯氧与空气一起吹入高炉，提高传热效率下部高炉。构成：在将高粉煤喷入高炉中进行高炉操作的方法中，用于改善高炉下部传热的较高的粉煤喷射操作方法包括确定粉煤喷射比例的步骤 ; 根据确定的粉煤喷射比获得富氧比; 判断粉煤的喷射比是否超过150kg / t-P; 并使用喷枪将氧气吹入高炉，其中在根据确定的粉煤喷射比获得富氧比的步骤中，通过下表1确定富氧比：其中富氧的下限值根据确定的粉煤喷射比获得富氧比的步骤中的比例由以下表达式1确定：£{（VBx0.21）+（O2 / 60）} / {VB +（O2 / 60）} | -0.21×100，其中VB是吹送量（m3 / min），O2是氧的供给量（m3 / hr）。

94. 发明公开

KR1020030053361A 고로 미분탄 일정밀도 취입방법 无效
标题翻译：将经过精炼的煤粉注入恒温恒温炉中的方法
公开(公告)号：KR1020030053361A
公开(公告)日：2003-06-28
申请号：KR1020010083540
申请日：2001-12-22
申请人： 주식회사 포스코
发明人： 임재용 , 김성현 , 이상호
IPC分类号： C21B5/00
CPC分类号： C21B5/003 , C21B7/24
摘要： PURPOSE: A method for injecting pulverized coal into blast furnace in constant density is provided to contribute to stabilization of blast furnace circumstances and improvement of productivity by injecting pulverized coal into the blast furnace in constant density even during injection quantity variation of pulverized coal. CONSTITUTION: In a method for injecting pulverized coal into blast furnace using an ordinary pulverized coal injection facility, the method for injecting pulverized coal into the blast furnace in constant density comprises steps of selecting a control method out of pulverized coal injection velocity control method and solid gas rate control method according to operation circumstances on a process computer into which operation data is inputted and set; inputting an injection velocity set value, calculating a pulverized coal transfer air volume corresponding to the injection velocity set value from the process computer so that the calculated pulverized coal transfer air volume is outputted as a target value of air flow control valve, and controlling transfer air volume automatically so that the solid gas rate is maintained during change of the operation data in case that the pulverized coal injection velocity control method is selected; and inputting a solid gas rate set value, calculating a pulverized coal transfer air volume corresponding to the solid gas rate set value from the process computer so that the calculated solid gas rate set value is outputted as a target value of the air flow control valve, and controlling the transfer air volume automatically so that the solid gas rate is maintained during change of the operation data in case that the solid gas rate control method is selected.
摘要翻译：目的：提供一种将粉煤以恒定密度注入高炉的方法，有助于稳定高炉环境，提高生产率，即使在粉煤的喷射量变化时，也可以以高密度注入粉煤。构成：在使用普通粉煤喷射设备将粉煤喷入高炉的方法中，将粉煤以恒定密度注入高炉的方法包括以下步骤：从粉煤喷射速度控制方法和固体中选择控制方法根据操作情况对输入和设置操作数据的处理计算机的气体速率控制方法; 输入喷射速度设定值，从处理计算机计算与喷射速度设定值相对应的粉煤转印空气量，计算出的粉煤转移空气量作为气流控制阀的目标值输出，控制转印空气体积自动，使得在选择粉煤喷射速度控制方法的情况下，在操作数据的变化期间保持固体气体速率; 并且输入固体气体比率设定值，从处理计算机计算与固体气体速率设定值对应的粉煤转移空气量，计算出的固体气体比率设定值作为气流控制阀的目标值输出，并且自动地控制传送风量，使得在选择固体气体速率控制方法的情况下，在操作数据的改变期间保持固体气体速率。

95. 发明公开

KR1020030035696A 고로 출선구에 산소취입이 가능한 개공기 失效
标题翻译：可将吹入氧气的玻璃开孔器置于高温炉孔内
公开(公告)号：KR1020030035696A
公开(公告)日：2003-05-09
申请号：KR1020010068115
申请日：2001-11-02
申请人： 주식회사 포스코
发明人： 김순교 , 구종필 , 이상호 , 서원석
IPC分类号： C21B7/12
CPC分类号： C21B7/12 , F27D3/1527
摘要： PURPOSE: A tap hole opener capable of blowing oxygen into blast furnace tap hole by drawing out oxygen pipe to the tap hole to reduce work load of workers or prevent reduction of work efficiency of workers due to radiant heat when performing operation for blowing oxygen into the blast furnace is provided. CONSTITUTION: In a tap hole opener comprising a hole opening member in which a certain sized through hole is formed, and which is operated to open blast furnace tap hole, a guide member (38) for guiding the hole opening member so that the hole opening member is moved to the blast furnace tap hole, and an operation part for operating the hole opening member so that the hole opening member is moved to the blast furnace tap hole along the guide member to open the blast furnace tap hole, the tap hole opener capable of blowing oxygen into the blast furnace tap hole further comprises an oxygen pipe supply means which is positioned in rear of the hole opening member along the guide member, and to which an oxygen pipe (11) capable of being inserted into a penetration hole of the hole opening member is supplied; a guide member for guiding the oxygen pipe so that the oxygen pipe supplied from the oxygen pipe supply means passes through the penetration hole of the hole opening member; and an oxygen supply means for supplying oxygen into the oxygen pipe (11) passing through the penetration hole of the hole opening member.
摘要翻译：目的：一种能够将氧气吹入排气孔的排气孔开孔器，用于将氧气管抽出到排气孔，以减少工作人员的工作负荷，或者在进行氧气吹入操作时由于辐射热而降低工作人员的工作效率提供高炉。构成：在具有形成有规定尺寸的通孔的开孔部件的开孔装置中，为了打开鼓风炉出料口而操作的开孔装置，用于引导开孔部件的导向部件（38）使得开孔将构件移动到鼓风炉排出孔，以及操作部，用于操作开孔构件，使得开孔构件沿着引导构件移动到高炉分离孔，以打开鼓风炉排水孔，开孔器能够将氧气吹入鼓风炉排出孔的装置还包括氧气管供给装置，该氧气供给装置沿着导向件位于开孔构件的后方，并且能够插入到贯穿孔的氧气管道提供孔打开构件; 引导构件，用于引导氧气管，使得从氧气供应装置供应的氧气管穿过孔打开构件的穿透孔; 以及用于将氧气供给到通过所述开孔部件的贯通孔的所述氧气管道（11）的供氧装置。

96. 发明公开

KR1020030006489A 고로 노벽 스프레이 보수시 발생되는 리바운드로스의 제거방법 失效
标题翻译：喷火炉炉膛发生反应损失的破坏方法
公开(公告)号：KR1020030006489A
公开(公告)日：2003-01-23
申请号：KR1020010042278
申请日：2001-07-13
申请人： 주식회사 포스코
发明人： 김봉호 , 이상호
IPC分类号： C21B7/06
CPC分类号： C21B7/06 , F27D1/1636 , F27D1/1694
摘要： PURPOSE: A removing method of rebound loss generated during spray repairing of the furnace wall of a blast furnace is provided to discharge the rebound loss into the outside of the blast furnace within a short period of time by injecting a melting promoter into a rebound loss layer, thereby lowering melting point of the rebound loss. CONSTITUTION: In a removing method of rebound loss generated during spray repairing of the furnace wall of a blast furnace, the removing method of the rebound loss comprises the process of resting a melting promoter in which mill scale and slag are mixed in a mixing weight ratio of 1:1 on the rebound loss, thereby lowering melting point of the rebound loss so that the rebound loss is early discharged into the outside of the blast furnace, wherein the melting promoter comprises 10 wt.% or more of Fe for the total weight of the melting promoter and the rebound loss.
摘要翻译：目的：提供高炉炉壁喷涂修复过程中产生的回弹损失的方法，通过将熔融促进剂注入回弹损失层，在短时间内将回弹损失释放到高炉外部，从而降低回弹损耗的熔点。构成：在高炉炉壁喷雾修复过程中产生的回弹损失的去除方法中，回弹损耗的除去方法包括将熔融助熔剂与混合重量比混合在一起的熔融促进剂对回弹损失为1：1，从而降低回弹损耗的熔点，使得回弹损失早期排放到高炉外，其中熔融促进剂的总重量为10重量％以上的Fe 的助熔剂和回弹损失。

97. 发明公开

KR1020020055193A 고로 대탕도의 잔선공 굴착 및 밀폐장치 失效
标题翻译：用于开采和密封主炉的残留铁孔的装置
公开(公告)号：KR1020020055193A
公开(公告)日：2002-07-08
申请号：KR1020000084556
申请日：2000-12-28
申请人： 주식회사 포스코
发明人： 서원석 , 배동석 , 이상호
IPC分类号： C21B7/12
CPC分类号： Y02P10/212
摘要： PURPOSE: An apparatus for digging and sealing a residual iron hole of a blast furnace main trough is provided in which molten materials are easily discharged, and the residual iron holes are completely sealed by enlarging diameter of an initial residual iron hole to discharge molten materials always remained in the main trough. CONSTITUTION: In an apparatus for digging and sealing a residual iron hole of a blast furnace main trough so as to discharge molten materials in the main trough by enlarging diameter of the residual iron hole of the blast furnace main trough and seal the opened residual iron hole, the apparatus comprises an air-tightness maintenance part inserted into the main trough; an inner wedge part which is inserted into the air-tightness maintenance part to seal gaps inside the residual iron hole; and an auxiliary device part which is equipped with reversing hammer function and connected to the inner wedge part through a socket attached to the front of a length variable rod, wherein the air-tightness maintenance part comprises a closed outer cylinder pipe(30) the front of which is consisted of an outer cylinder pipe head(30b), and on the outer circumference of which a plurality of through holes(30a) are formed, and a guide outer cylinder pipe(37) which is connected to the closed outer cylinder pipe(30) with a circular support plate locked to a support iron plate(10b) of the main trough being therebetween, and the inner wedge part comprises a wedge(50) equipped with a wedge body(50a) on the outer circumference of which a screw(51) and a groove(52) are formed, and a body(54) at front of which a wedge seat(53) is formed, and at the rear of which a hook(56) is formed so that the body(54) is connected to the wedge body(50a).
摘要翻译：目的：提供一种用于挖掘和密封高炉主槽的残留铁孔的设备，其中熔融材料容易排出，并且通过扩大初始残留铁孔的直径来始终将残留的铁孔完全密封以排出熔融材料留在主槽。构成：在用于挖掘和密封高炉主槽的残留铁孔的装置中，通过扩大高炉主槽的残留铁孔的直径并将打开的残余铁孔密封，从而排出主槽中的熔融材料该装置包括插入主槽的气密性维护部分; 内楔形部分，其插入到气密性维护部分中以密封残余铁孔内的间隙; 以及辅助装置部件，其具有反转锤功能，并通过附接到长度可变杆的前部的插座连接到内楔部分，其中气密性维护部分包括封闭的外筒管（30），前部由外筒管头（30b）构成，其外周形成有多个贯通孔（30a），导向外筒管（37）与封闭的外筒管（30），其中锁定在主槽的支撑铁板（10b）的圆形支撑板在其间，并且内楔形部分包括在外圆周上配备有楔形体（50a）的楔形物（50），其中，形成有螺钉（51）和凹槽（52），并且在其前面形成有楔形座（53）的主体（54），并且在其后部形成有钩（56），使得主体 54）连接到楔体（50a）。

98. 发明公开

KR1020020052391A 코크스 입도에 의한 노하부 불활성 판단방법 失效
标题翻译：通过焦炭粒度判断烤炉下部不活动的方法
公开(公告)号：KR1020020052391A
公开(公告)日：2002-07-04
申请号：KR1020000081640
申请日：2000-12-26
申请人： 주식회사 포스코
发明人： 김병진 , 이상호 , 김춘기 , 배근상
IPC分类号： C21B7/24
CPC分类号： C21B7/24 , C21B5/007
摘要： PURPOSE: A method for judging inactivity in the lower part of a blast furnace by coke grain size is provided which obtains average coke grain size of tuyere level and dead man cleaning index, and indirectly judges liquid permeability and inactivity index through the obtained average coke grain size and dead man cleaning index. CONSTITUTION: The method for judging inactivity in the lower part of a blast furnace by coke grain size comprises a first step of detecting average grain size of charging coke, cold rolling strength, hot rolling strength, residence time of coke in a blast furnace and coke ratio, and detecting temperature of molten iron, theoretical flame temperature (Tf), £C|, £Si|, £P|, £S| and £Mn| in molten iron, and basicity, (SiO2), (CaO), (Al2O3) and (MgO) in slag respectively; a second step of obtaining average grain size of tuyere level coke based on the average grain size of charging coke, cold rolling strength, hot rolling strength, residence time of coke in a blast furnace and coke ratio detected in the first step, and obtaining a dead man cleaning index using the temperature of molten iron, theoretical flame temperature (Tf), £C|, £Si|, £P|, £S| and £Mn| in molten iron, and basicity, (SiO2), (CaO), (Al2O3) and (MgO) in slag; and a third step of judging liquid permeability and inactivity by the average grain size of tuyere level coke and dead man cleaning index obtained in the second step.
摘要翻译：目的：提供一种通过焦炭粒度判断高炉下部不活动的方法，获得风口平均焦炭粒度和死人清洁指数，并通过获得的平均焦炭粒间接判断液体渗透性和不活动指数大小和死人清洁指数。构成：通过焦炭粒径判断高炉下部不活动的方法包括检测充电焦炭的平均粒径，冷轧强度，热轧强度，高炉焦炭和焦炭的停留时间的第一步骤比例和检测铁水温度，理论火焰温度（Tf），£C |，£Si |，£P |，£S | 和£Mn | （SiO2），（CaO），（Al2O3）和（MgO）分别为铁水和碱度，基于充电焦炭的平均粒径，冷轧强度，热轧强度，高炉中焦炭的停留时间和第一步骤中检测到的焦炭比，得到风口级焦炭的平均粒径的第二工序，得到使用铁水温度的死人清洁指数，理论火焰温度（Tf），£C |，£Si |，£P |，£S | 和£Mn | （SiO2），（CaO），（Al2O3）和（MgO）中的铁水和碱度，以及第三步骤，通过在第二步骤中获得的风口级焦炭的平均粒径和死人清洁指数来判断液体渗透性和不活动性。

99. 发明授权

KR100325711B1 전기로슬래그포밍보조제 失效
标题翻译：电炉炉渣发泡助剂
公开(公告)号：KR100325711B1
公开(公告)日：2002-06-26
申请号：KR1019970031915
申请日：1997-07-10
申请人： 주식회사 포스코
发明人： 이광근 , 이상호
IPC分类号： C21C5/36
摘要： PURPOSE: A foaming aid used in foaming of electric furnace slag is provided to foaming efficiency by increasing viscosity of electric furnace slag. CONSTITUTION: In a slag foaming method in which oxygen and carbon particles with a size of 2 to 4 mm are injected into electric furnace slag via lance in an injection ratio of 22.7 Nm¬3/t·slag to 15.5 kg/t·slag, the method is characterized in that an AOD stainless steel slag comprising 60 wt.% or less of CaO, 30 wt.% or less of SiO2 and 10 wt.% or less of other elements is injected along with the carbon particles.

100. 发明公开

KR1020010054885A 고로 하부의 통액성 및 불활성 지수 판단방법 失效
标题翻译：用于判断BLAST FURNACE下部流体渗透性和非活性指数的方法
公开(公告)号：KR1020010054885A
公开(公告)日：2001-07-02
申请号：KR1019990055877
申请日：1999-12-08
申请人： 주식회사 포스코
发明人： 이상호 , 장필선 , 김재식 , 백승래
IPC分类号： C21B7/24
CPC分类号： C21B7/24 , C21B5/007
摘要： PURPOSE: A method for judging fluid permeability and inactivity index of the lower part of a blast furnace is provided to maintain stable operating conditions of the blast furnace by estimating a particle diameter of coke in the center of the blast furnace which is an index of the inactivity and fluid permeability of the lower part of the blast furnace so as to take a measure for improving quality of coke when the particle diameter of coke is decreased for a long period of time. CONSTITUTION: The method comprises a first step of detecting average particle diameter of charged coke, cold strength of charged coke, hot strength of charged coke and pulverized coal injection amount respectively; a second step of obtaining an average coke particle diameter at the tuyere level based on the average particle diameter of charged coke, cold strength of charged coke, hot strength of charged coke and pulverized coal injection amount detected in the first step; and a third step of judging fluid permeability and inactivity index by the average coke particle diameter at the tuyere level obtained in the second step.
摘要翻译：目的：提供一种用于判断高炉下部的流体渗透性和不活动指数的方法，以通过估计高炉中心处的焦炭的粒径来保持高炉的稳定运行状态高炉下部的不活动性和流体渗透性，以便当焦炭的粒径长时间减少时，可以采取改善焦炭质量的措施。构成：该方法包括分别检测充电焦炭的平均粒径，充电焦炭的冷强度，带电焦炭的热强度和粉煤喷射量的第一步骤。基于第一步骤中检测到的充电焦炭的平均粒径，充电焦炭的冷强度，充电焦炭的热强度和粉煤喷射量，得到风口平均焦炭粒径的第二步骤; 以及第三步骤，通过在第二步骤中获得的风口水平上的平均焦炭粒径来判断流体渗透性和不活动指数。

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