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21. 发明公开

KR1020040054969A 원료저장조의 원료광 균일입도 배출조정장치 失效
标题翻译：用于控制存储库的均匀性出口的设备
公开(公告)号：KR1020040054969A
公开(公告)日：2004-06-26
申请号：KR1020020081524
申请日：2002-12-20
申请人： 주식회사 포스코
发明人： 김갑열 , 김종민 , 김재식
IPC分类号： C21B5/00
CPC分类号： C21B7/20 , C21B5/008
摘要： PURPOSE: A device for controlling ore uniformity outlet of storage bin is provided to control discharge rate of ore per grain size position to discharge to uniformed grain sizes small grain of central part of the bin and large grain of wall part of the bin in which ore dropped into upper part of the bin from tripper car is accumulated by drop trajectory. CONSTITUTION: The device(1) comprises a rectification pipe(30) having reverse cone shaped cross section arranged in an inner space of the storage bin(10) so that small grain sized ore accumulated in central part of the storage bin and large grain sized ore accumulated in wall part of the storage bin are guided to a uniformed discharge rate through discharge port of the storage bin; and supporting parts for fixing the rectification pipe to the inner space of the storage bin, wherein the rectification pipe is arranged at a tapered part(19) in which a discharge path of ore stored in the storage bin is getting narrowed as it goes from an upper side to a side of the discharge port, wherein the rectification pipe is formed of a hollow pipe member having reverse cone shaped cross section which has an outer surface parallel to a wall part of the tapered part of the storage bin, wherein a plural ring shaped catching projections are mounted on the inner and outer circumferential surfaces of the rectification pipe to generate friction resistance with small grain sized ore discharged to a lower side with being contacted with the inner and outer circumferential surfaces of the rectification pipe, and wherein at least two or more of the supporting parts are installed between the storage bin and the rectification pipe with the supporting parts are formed of supporting rods(41) having a certain length both ends of which are connected between first flange(41a) installed at the wall part of the storage bin and second flange(41b) installed on the outer circumferential surface of the rectification pipe.
摘要翻译：目的：提供一种用于控制储料仓矿石均匀出口的装置，以控制每粒粒径位置的矿石排放量，使其排放到均匀颗粒尺寸的仓库中心部分的小颗粒和料仓的大颗粒的壁部分，其中矿石从跳闸车落入箱体的上部通过下落轨迹积累。构成：装置（1）包括具有倒锥形横截面的整流管（30），设置在储存箱（10）的内部空间中，使得小颗粒矿石积聚在储存箱的中心部分，并且具有大粒度积存在储物箱的壁部的矿石通过储藏箱的排出口被引导至均匀的排出速度; 以及用于将整流管固定到储藏箱的内部空间的支撑部件，其中整流管布置在锥形部分（19）处，其中存储在存储箱中的矿石的排放路径因其从排出口的上侧，其特征在于，所述整流管由具有与所述收容箱的锥形部的壁部平行的外表面的具有倒锥形截面的中空管构件形成，其中，多个环在整流管的内周面和外周面上安装有形状的捕捉突起，以产生摩擦阻力，其中小颗粒矿石排出到下侧，与精整管的内圆周表面和外圆周表面接触，并且其中至少两个或更多的支撑部件安装在存储箱和整流管之间，支撑部分由支撑杆（41）形成，具有一定长度的两端连接在安装在储藏箱的壁部的第一凸缘41a和安装在整流管的外周面上的第二凸缘41b之间。

22. 发明公开

KR1020040051060A 열풍로 개보수를 위한 강제 휴지 방법 失效
标题翻译：强制停止热修复方法来修复热点
公开(公告)号：KR1020040051060A
公开(公告)日：2004-06-18
申请号：KR1020020078893
申请日：2002-12-11
申请人： 주식회사 포스코
发明人： 김종민 , 김재식
IPC分类号： C21B9/00
CPC分类号： C21B9/16 , C21B9/06 , C21B2100/64
摘要： PURPOSE: A method for forcibly stopping hot stove to repair the hot stove is provided to improve productivity by shortening cooling period and extend life cycle of the hot stove by enabling repairing operation of the hot stove at any time even during operation using forcible cooling technology if there is something wrong with the hot stove. CONSTITUTION: The method comprises a forcible cooling step of cooling the hot stove for 4 days at a cooling rate of 100 deg.C/day by forcibly injecting cooling air into the hot stove in case of the hot stove temperature range of 600 to 1,000 deg.C; a contraction step of cooling the hot stove for 7 days at a cooling rate of 50 deg.C/day in case of the hot stove temperature range of 250 to 600 deg.C; and a contraction step of cooling the hot stove for 14 days at a cooling rate of 14 deg.C/day in case of the hot stove temperature range of 50 to 250 deg.C, wherein amount of the air injected into the hot stove in the forcible cooling step is determined by the following expression: air injection amount per hour=(weight of refractoriesxspecific heat of refractoriesx(daily coolingΔT/2))/24xspecific heat of airx(temperature of dome-blast temperature difference-injected air temperature).
摘要翻译：目的：强制停止热风炉修复热风炉的方法是为了提高生产率，通过缩短冷却时间，延长热风炉的使用寿命，即使在使用强制冷却技术的运行过程中，也可以随时修理热风炉。热炉有问题。构成：该方法包括强制冷却步骤，在热风炉温度范围为600〜1000度的情况下强制地将冷却空气注入热风炉中，以100℃/日的冷却速度将热风炉冷却4天。C; 在热风炉温度范围为250〜600℃的情况下以50℃/日的冷却速度将热风炉冷却7天的收缩步骤; 以及在热风炉温度范围为50〜250℃的情况下以14℃/日的冷却速度将热风炉冷却14天的收缩步骤，其中注入到热炉中的空气量强制冷却步骤由以下表达式确定：空气喷射量/小时=（耐火材料×耐火材料的特定热量（日常冷却ΔT/ 2）的重量）/空气×24×特定热量（圆顶喷射温度差异注入空气温度的温度）。

23. 发明授权

KR100435450B1 액체산소펌프의 자동예냉 제어장치 失效
标题翻译： 액체산소펌프의자동예냉제어장치
公开(公告)号：KR100435450B1
公开(公告)日：2004-06-10
申请号：KR1019990028829
申请日：1999-07-16
申请人： 주식회사 포스코
发明人： 김종민
IPC分类号： F04B49/00
摘要： PURPOSE: An automatic precooling control system is provided to prevent damage to the pump and waste of liquid oxygen by automatically precooling the liquid oxygen pump and boosting up the discharge pressure of the liquid oxygen in a stepwise manner. CONSTITUTION: A system comprises pump inlet/outlet valves(4,5) arranged at the inlet and outlet of a liquid oxygen pump(2) and which control the flow amount introduced from a liquid oxygen tank(1) and discharged from the pump; an automatic precooling control unit(50) for controlling the extent of opening of pump inlet/outlet valves in such a manner that liquid oxygen is supplied sequentially to the liquid oxygen pump when a drive start signal of the liquid oxygen pump is input, so as to precool the liquid oxygen pump; temperature detectors(11,12) for detecting inlet and outlet side temperature of the liquid oxygen pump, respectively; a precool completion judging unit(30) for receiving the temperature of the pump inlet and outlet side from the temperature detector, and judging whether the precool operation is completed or not in accordance with the temperature difference between the inlet side and the outlet side; and a pump driving unit(40) for driving the liquid oxygen pump to pump and discharge the liquid oxygen when it is judged that the precool operation is completed.
摘要翻译：目的：提供自动预冷控制系统，通过自动预冷液氧泵和逐步提高液氧的排出压力，防止损坏泵和浪费液氧。一种系统，包括布置在液氧泵（2）的入口和出口处的泵入口/出口阀（4,5），其控制从液氧罐（1）引入并从泵排出的流量; 一个自动预冷却控制单元（50），用于控制泵入口/出口阀的开启程度，使得当液氧泵的驱动开始信号被输入时，液氧被顺序地供应到液氧泵，以便预冷液氧泵; 温度检测器（11,12），用于分别检测液氧泵的入口侧和出口侧温度; 预冷完成判断单元（30），用于从温度检测器接收泵入口侧和出口侧的温度，并根据入口侧和出口侧之间的温差判断预冷操作是否完成; 以及泵驱动单元（40），用于当判断预冷操作完成时驱动液氧泵以泵送和排出液氧。

24. 发明公开

KR1020030052413A 고로의 열풍로 돔 연와 심도 측정 장치 失效
标题翻译：用于测量火焰深部烤饼深度的装置
公开(公告)号：KR1020030052413A
公开(公告)日：2003-06-27
申请号：KR1020010082362
申请日：2001-12-21
申请人： 주식회사 포스코
发明人： 김두진 , 임인규 , 김종민
IPC分类号： C21B9/10
CPC分类号： C21B9/10 , C21B9/02 , F27D21/0021
摘要： PURPOSE: A brick depth measuring apparatus for continuously measuring whether brick of dome shaped connection pipe in the upper part of combustion chamber and checker chamber is damaged or not in hot stove facility is provided. CONSTITUTION: The apparatus for measuring depth of brick of dome in blast furnace hot stove comprises an ultrasonic depth measuring means(16) installed at one end part of a hollow pipe to measure depth of brick(1c) of dome in the blast furnace hot stove; a connection means installed at the other end part of the hollow pipe to connect the hollow pipe to the dome; two cutout valves installed in series between the connection means and measuring means to shield the depth measuring means from the dome or connect the depth measuring means to the dome through the pipe; a cleaning means installed in series between the two cutout valves to discharge foreign materials inside the pipe; a control part(50) for controlling operation of the cutout valves and cleaning means; and an operation part(40) for extracting depth variation of the brick of the dome by signals from the depth measuring means, wherein the cleaning means comprises nitrogen purge valve(15), and a vent valve(12), wherein the apparatus further comprises storage means, alarm generation part, and sleeve flange means(14).
摘要翻译：目的：提供一种用于连续测量燃烧室和检验室上部的圆顶形连接管砖是否在热风炉设备中损坏的砖块测深装置。构成：用于测量高炉热风炉圆顶砖深度的装置包括安装在空心管的一端部的超声波测深装置（16），以测量高炉热风炉穹顶砖（1c）的深度 ; 连接装置，安装在中空管的另一端部，以将中空管连接到圆顶; 两个切断阀串联连接在连接装置和测量装置之间，以将深度测量装置与圆顶隔离，或通过管道将深度测量装置连接到圆顶; 在两个切断阀之间串联安装的清洗装置，以排出管内的异物; 用于控制切断阀和清洁装置的操作的控制部分（50）; 以及用于通过来自所述深度测量装置的信号来提取所述圆顶砖的深度变化的操作部分（40），其中所述清洁装置包括氮气吹扫阀（15）和排气阀（12），其中所述装置还包括存储装置，报警产生部件和套筒法兰装置（14）。

25. 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。

26. 发明授权

KR100376519B1 편측 노정호퍼에 의한 연/원료 장입방법 失效
标题翻译： 편측노정호퍼에의한연/원료장입방법
公开(公告)号：KR100376519B1
公开(公告)日：2003-03-17
申请号：KR1019990060969
申请日：1999-12-23
申请人： 주식회사 포스코
发明人： 김종민 , 서광용 , 유현종 , 김재식
IPC分类号： C21B7/20
摘要： PURPOSE: A method for charging fuels and raw materials by single furnace top hopper is provided to maintain a charging speed close to that during using of double hoppers even in case of charging with only single hopper when one of both hoppers is out of order in a blast furnace. CONSTITUTION: In a method for charging fuels and raw materials by a single furnace top hopper in the charging processing of a blast furnace comprising the steps of transferring charge materials to the side of the top of the blast furnace, back pressure treating the corresponding hopper of both furnace top hoppers when the charging materials are transferred to a certain position, receiving the fuels and raw materials when fuels and raw materials are arrived, and charging the pressure equalized materials into the blast furnace after pressure equalizing the received materials, the method comprises the process of continuously charging the charging materials into the blast furnace by setting a controlling timing so that the next charge of charging material is discharged to transfer when raw materials start to be received into the furnace top hopper after charging materials being transferred to be charged reach the top of the blast furnace, and back pressure of the corresponding furnace top hopper is completed.
摘要翻译：目的：提供一种用单炉顶料斗装料燃料和原料的方法，即使在仅有一个料斗在一个料斗中发生故障时仅用一个料斗装料的情况下，也能保持接近双料斗使用时的装料速度。高炉。本发明涉及一种在高炉装料过程中用单炉顶料斗装料燃料和原料的方法，该方法包括将料料输送到高炉炉顶侧的步骤，当装料被转移到某一位置时，两个炉顶料斗，当燃料和原料到达时接收燃料和原料，并且在压力均衡所接收的物料之后将均压物料装入高炉中，所述方法包括通过设置控制时机连续地将装入物料装入高炉中的过程，以便在原料开始被接收到炉顶料斗中之后排出下一次装料物料的装料，高炉顶部，以及相应炉顶的背压料斗完成。

27. 实用新型

KR200260892Y1 열풍로용 씰링밸브 失效
标题翻译：密封阀，用于热空气
公开(公告)号：KR200260892Y1
公开(公告)日：2002-08-08
申请号：KR2019970013313
申请日：1997-06-03
申请人： 주식회사 포스코
发明人： 손시곤 , 김종민 , 김동기
IPC分类号： F16K17/196
摘要： 본고안은고온,고압의가스가외부로유출되는것을효과적으로방지함으로서설비사고의위험성을감소시키고, 정비부하를줄임으로서작업생산성을향상시킬수 있도록개선된열풍로용씰링밸브에관한것이다. 본고안은, 열풍로설비에갖춰진씰링밸브에있어서, 밸브몸체의그랜드커버내에탈착가능하도록장착되고, 내주면에는다단의직경이축소되는단턱부를형성하며, 상기그랜드커버를관통하여연장하는그리스구멍이상기단턱까지측방향으로형성된원형의고정판; 상기고정판의내주면에형성된단턱에일치하는다단의직경을갖는단턱부를외주면에형성하고, 내주면에는후단측에서선단측으로직경이축소되는원추형경사면을형성하는중공형의누름관; 상기누름관의원추형경사면에일치하는경사면을외주면에형성하고, 구동축의중간에일체로장착되는원추형고정봉; 및, 상기누름관을고정봉측으로밀착시키도록누름관의일측에서구동축에일체로장착되는지지판을갖추고, 상기지지판에는다수개의조정볼트가상기누름관측을향하여나사결합되며, 상기조정볼트의선단에는각각스프링이장착되는스토퍼;를포함하는열풍로용씰링밸브를제공한다.
摘要翻译：纸提案涉及一种高温，通过一种改进的热空气的高压气体的密封阀是通过降低维护负担，减少的风险，通过被排出到外部装置意外有效地防止，可提高生产率。本主题创新，在由与热空气的植物的密封阀，安装成是可拆卸的在阀体内，内周面的大盖并形成阶梯状，多级减速，或更多的油脂孔的直径延伸穿过隆重盖形成在横向方向上向近侧钳口的圆形固定板; 为圆锥倾斜面，其在形成于外周面直径台阶部分减小的形式挤压管，后端侧的内周面具有相匹配的多级直径的台阶形成朝向固定板形的前端的内周表面上; 形成对应于按压管和外周面的锥形倾斜表面的倾斜表面，所述锥形被一体地安装在驱动轴固定杆的中部; 并且，在推管的一端以接触朝向固定杆挤压管具有安装与驱动轴成一体的支撑板，所述支撑板具有多个调节螺栓的拧朝按压观察，调整螺栓的前端是它提供了用含有热空气密封的阀;分别弹簧加载的止动件。

28. 发明公开

KR1020010061644A 고로 노상부 용융물의 통액성 개선방법 失效
标题翻译：用于改善熔炉中熔融材料的液体渗透性的方法
公开(公告)号：KR1020010061644A
公开(公告)日：2001-07-07
申请号：KR1019990064142
申请日：1999-12-28
申请人： 주식회사 포스코
发明人： 서광용 , 김종민 , 김재식 , 박옥철
IPC分类号： C21B7/24
CPC分类号： C21B5/008 , C21B7/24
摘要： PURPOSE: A method for smoothly flow fused material by minimizing the amount of unburnt carbon present in fused material by injecting fine ores into a tuyere to prevent the deterioration of conditions in a surface caused by unburnt carbon deposited in the furnace is provided, which increases productivity and the service life of a blast furnace. CONSTITUTION: In an operation method for injecting fine ores, this process comprises the steps of: setting the control temperature at the bottom and on the lower wall part of a blast furnace; measuring the temperature at the bottom and on the lower wall part of the blast furnace and injecting a specified amount of fine ores into slag in the blast furnace when the measured temperature gets over the control temperature; and controlling the amount of fine ores to be injected in such a manner that the measured temperature satisfies the extent of the control temperature.
摘要翻译：目的：提供通过将细矿石注入到风口中使熔融材料中存在的未燃烧碳的量最小化以防止由于在炉中沉积的未燃烧碳引起的表面状况恶化的方法来平滑地流动熔融材料，这提高了生产率和高炉的使用寿命。构成：在注入细矿的操作方法中，该方法包括以下步骤：设置高炉底部和下壁部分的控制温度; 当测量温度超过控制温度时，测量高炉底部和下壁部分的温度，并将高精度矿石注入高炉炉渣中; 并且以使得测量的温度满足控制温度的程度的方式控制要注入的细矿量。

29. 实用新型

KR200158064Y1 플라이 휠의 회전력을 이용한 연삭숫돌 고정용 치공구 失效
标题翻译：使用飞轮旋转力研磨石材的设备
公开(公告)号：KR200158064Y1
公开(公告)日：1999-10-15
申请号：KR2019950033003
申请日：1995-11-10
申请人： 주식회사 포스코
发明人： 김종민
IPC分类号： B24B45/00
摘要： 롤의 연삭을 위하여 사용하는 숫돌을 연삭기의 주축에 설치하기 위하여 너트를 분해결합하게 되는데 이때 분해결합을 용이하게 할 수 있도록 한 플라이 휠의 회전력을 이용한 연삭숫돌 고정용 치공구에 관한 것으로, 키 삽입체(12)의 후방으로는 렌치 삽입구(11)를 형성시키고 상기 키 삽입체(12)의 전방 내측으로는 키 가이드로(13)를 형성시켰으며 이 키 가이드로(13)의 일측에는 고정구(14)를 삽입 설치하였고 키 삽입체(12)의 전방 중앙에는 나선부(16)와 베어링블록 삽입부(15)가 형성되어 있는 손잡이(17)를 형성시켰으며, 핸들본체(20)에는 외주연에 핸들(21)이 형성되어 있고 중앙에는 베어링블록(23)을 장착하였으며 후방 일측에는 키(22)를 돌출되게 형성시켜서 된 것이다.

30. 发明公开

KR1019980026758A 산소반응기의 수소투입분할장치 失效
标题翻译：氧气反应器的氢气注入分流器
公开(公告)号：KR1019980026758A
公开(公告)日：1998-07-15
申请号：KR1019960045309
申请日：1996-10-11
申请人： 주식회사 포스코
发明人： 김종민 , 우종호
IPC分类号： B01J4/00
摘要： 본 발명은 산소의 함유량에 따라서 수소가스의 비율을 자동조정하여 반응기의 과도한 온도상승을 방지함을 물론 산소제거반응을 촉진함으로서 조알곤의 정제성능을 향상시키도록 개선된 산소반응기의 수소투입분할장치에 관한 것이다.
본 발명은 조알곤을 정제장치에 있어서, 개평연산기에서 출력된 조알곤 유량신호와, 산소분석기에서 출력된 산소함유율 신호 및, 제 2 반응기의 출구잉여수소함유율을 입력신호로 하고, 아래의 식 I)과 식 II)에 의한 출력값 A) 과 B)를 산출하여 출력값 A)은 제 1 반응기의 수소량 비율로 하고, 출력값 B)은 제 2 반응기의 수소량비율로 설정하는 비율 발생기를 추가 포함하며,

여기서, PV1 : 조알곤 유량, PV2 : 산소함유율, PV3 : 제2반응기의 출구잉여수소함유율, 상수 : 2임을 특징으로 하는 산소반응기의 수소투입분할장치를 제공한다.

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