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    • 3. 发明公开
    • CO2농도 기반 가열로 산화/환원 제어방법
    • 使用二氧化碳浓度的再热炉的双模式控制方法
    • KR1020100041057A
    • 2010-04-22
    • KR1020080100046
    • 2008-10-13
    • 주식회사 포스코재단법인 포항산업과학연구원
    • 김율란정종렬김창영김기홍강덕홍김영일
    • C21D9/00
    • C21D11/00F27D2019/0028
    • PURPOSE: A method for controlling oxidation/reduction using the heat on the basis of the concentration of carbon dioxide is provided to control the oxidation/reduction using an air lead which completely combusting the carbon dioxide at oxidation atmosphere and a fuel lead to maintain the reduction at reduction atmosphere. CONSTITUTION: A method for controlling oxidation/reduction using the heat on the basis of the concentration of carbon dioxide comprises the following steps: selecting a variable to be utilized as a measured value of a control system for simultaneously controlling the oxidation and reduction; detecting CO_2 which generates the selected variable; controlling the oxidation using an air lead to maintain a perfect combustion at oxidation atmosphere using the detected CO_2; and controlling the reduction using a fuel lead to maintain the reduction at reduction atmosphere.
    • 目的:提供使用基于二氧化碳浓度的热量来控制氧化/还原的方法,以使用在氧化气氛下完全燃烧二氧化碳的空气引线和燃料引线来保持还原的氧化/还原 在还原气氛。 构成:基于二氧化碳浓度的热量控制氧化/还原的方法包括以下步骤:选择用作同时控制氧化和还原的控制系统的测量值的变量; 检测生成所选变量的CO_2; 使用空气引线控制氧化,使用检测到的CO_2在氧化气氛下保持完全燃烧; 并且使用燃料引线控制所述还原以保持还原气氛的还原。
    • 4. 发明公开
    • 가열로의 공연비 제어방법
    • 空气燃料比在燃料中的控制方法
    • KR1020090068810A
    • 2009-06-29
    • KR1020070136574
    • 2007-12-24
    • 주식회사 포스코재단법인 포항산업과학연구원
    • 김영일강덕홍김기홍정홍규
    • F23N3/00F23N5/00
    • F23N5/003F23N2900/05001
    • An air-fuel ratio control method of a furnace is provided to control the final supply air flow supplied to the steam generator automatically. An air-fuel ratio control method of a furnace is as follows. The air-fuel ratio control method of furnace controls the oxygen density measurement value (O2PV) of the exhaust gas of furnace. The generating power limitation phase of the ratio value(betaR) of the oxygen density measurement value(O2PV) and target setting value(O2SV), and the lower value are determined. The air-fuel ratio control method of furnace is as follows. The measured value(COPV) measuring the concentration of the carbon monoxide included in the gas ejected from the upper heating is inputted. The high-low limit threshold level(COH, COL) which is input from the measured value(COPV) and user is compared. The measured value(COPV) and high-low limit threshold level (COH, COL) are used. The high limit comparative setting value(rH) and limit inferior comparative setting value(rL) are saved. When high limit comparative setting value(rH) is compared with 1, it is attended by the drunken fellow with the output setting value (RH) which is the big value hurt. When limit inferior comparative setting value(rL) is compared with 1, the small price the drunken fellow is charged to the drunken fellow account with the limit inferior output setting value(RL). The generating power limitation phase, and the lower value(betaH, betaL) are saved by using the limit phase which phase, and the limit inferior output setting value(RH, RL) and user set to initial, and the lower value(betaH, A, betaL, A).
    • 提供炉的空燃比控制方法,以自动控制供给蒸汽发生器的最终供气流量。 炉的空燃比控制方法如下。 炉的空燃比控制方法控制炉的废气的氧浓度测定值(O2PV)。 确定氧浓度测量值(O2PV)和目标设定值(O2SV)的比值(βR)和低值的发电功率限制相位。 炉的空燃比控制方法如下。 输入测量从上部加热喷出的气体中包含的一氧化碳的浓度的测量值(COPV)。 比较从测量值(COPV)和用户输入的高低限阈值水平(COH,COL)。 使用测量值(COPV)和高低限阈值水平(COH,COL)。 节省了上限比较设定值(rH)和极限比较设定值(rL)。 当上限比较设定值(rH)与1比较时,由具有大值损害的输出设定值(RH)的醉酒学员参加。 当限制较差的比较设定值(rL)与1比较时,醉酒院员向极限劣势输出设定值(RL)的醉酒会计费用的小价格。 发电功率限制阶段和较低值(βH,βL)通过使用极限相位,极限相位输出设定值(RH,RL)和用户设置为初始值以及较低值(βH, A,βL,A)。
    • 5. 发明公开
    • 가열로의 가스유속 측정장치
    • 气体流量测量加热炉装置
    • KR1020040020491A
    • 2004-03-09
    • KR1020020052099
    • 2002-08-30
    • 주식회사 포스코재단법인 포항산업과학연구원
    • 김영일정홍규
    • C21D9/673
    • PURPOSE: A gas flow rate measuring and recording device of heating furnace is provided which improves heat treatment workability on a workpiece by directly measuring flow rate of gas in the heating furnace simply and accurately. CONSTITUTION: The gas flow rate measuring device(1) comprises a protection container(10) arranged in a receiving groove(11) depressed on an upper surface of one side of a slab (S) workpiece so that cooling water is filled in the protection container; an inner box which is arranged in the protection container and equipped with a data log(24) for recording pressure values measured at a plural manometers; and a plural protection pipes one end of which us connected to the manometers by means of a joint to measure constant pressure and dynamic pressure inside heating furnace, the body of which is fixed and supported to supporting blocks(32) put on the slab, and the other end of which is bent, wherein the protection pipes comprise a pitot tube for in parallel connecting first pipe for constant pressure to second pipe for dynamic pressure by connection member, wherein a thermometer is selectively arranged at the first pipe or the second pipe of the protection pipes to compensate temperature change by measuring temperature inside the heating furnace, and wherein the supporting blocks are formed by uniting first and second blocks(32a,32b) on oppositely directed vertical surfaces of which a groove(32c) is depressed using a bolt member(32d) so that the supporting blocks fix an end part of the protection pipes.
    • 目的:提供一种加热炉的气体流量测量和记录装置,通过直接测量加热炉内的气体流量,简单准确地提高了工件的热处理加工性。 构成:气体流量测量装置(1)包括保护容器(10),该保护容器(10)布置在凹陷在板坯(S)工件的一侧的上表面上的容纳槽(11)中,使得冷却水被填充在保护 容器; 内箱,其布置在保护容器中并配备有用于记录在多个压力计测量的压力值的数据记录(24); 以及多个保护管,其一端通过接头连接到压力计,以测量加热炉内的恒定压力和动压,其主体固定并支撑在放置在板坯上的支撑块(32)上,以及 其另一端弯曲,其中保护管包括用于将用于恒定压力的第一管并联连接到由连接构件施加的动态压力的第二管的皮托管,其中温度计选择性地布置在第一管或第二管 所述保护管用于通过测量所述加热炉内的温度来补偿温度变化,并且其中所述支撑块通过使用螺栓将所述凹槽(32c)压下的相反方向的垂直表面上的第一和第二块(32a,32b) 构件(32d),使得支撑块固定保护管的端部。
    • 7. 发明公开
    • 가열로의 비평형계 열 회수 및 이용 방법 및 그 시스템
    • 用于热回收和使用炉的系统和方法
    • KR1020160078721A
    • 2016-07-05
    • KR1020140188774
    • 2014-12-24
    • 주식회사 포스코재단법인 포항산업과학연구원
    • 김영일조길원
    • F27D17/00
    • Y02P10/265Y02P10/283F27D17/00F27D17/001F27D17/002
    • 본발명의일 실시예에따른가열로의비평형계열회수및 이용시스템은, 가열로의스키드빔하부에설치되어상기스키드빔의열을저장및 회수하는혼합염흡열반응부와, 상기혼합염흡열반응부와쌍으로독립구성되어중온이상의배열을발생시키는혼합염발열반응부와, 상기혼합염발열반응부에서나온중온이상의배열을이용하는배열반전부와, 상기혼합염흡열반응부에서나온저온스팀가스를처리하는스팀가스처리부를포함할수 있다. 이러한시스템에의하면, 일반적인화학열펌프(chemical heat-pump)가단일반응계의운전조건에근거하여 closed-loop을구성하는것을탈피하여흡열과발열과정을분리하고 2개의비 평형반응계로구성하여보다고온의배열을다양하게이용할수 있다.
    • 根据本发明的一个实施例,一种用于在炉的非平衡系统中回收和使用热量的系统包括:盐混合物 - 吸热反应部件,其安装在炉的防滑梁的下部以储存和 回收防滑梁的热量; 一个盐混合物 - 放热反应部分,与盐混合物吸热反应部分成对地独立形成,以在中等温度或更高温度下产生热量; 使用来自盐混合放热反应部的中温以上的热的热反转部; 以及蒸气处理部件,其处理来自盐混合物吸热反应部件的低温蒸汽气体。 与基于单个反应系统的驱动条件形成闭环的典型化学热泵不同,根据本发明,分离吸热过程和放热过程以配置两个非平衡反应体系,使得热量 在较高的温度下可以进行各种使用。
    • 10. 发明授权
    • 가열로에서의 슬라브 온도 예측 방법.
    • 가열로에서의슬라브온도예측방법。
    • KR100689153B1
    • 2007-03-02
    • KR1020050096689
    • 2005-10-13
    • 주식회사 포스코재단법인 포항산업과학연구원
    • 김기홍김영일강덕홍
    • C21D11/00C21D1/00
    • A slab temperature predicting method capable of improving accuracy of temperature estimation by minimizing problems of a linear approximation method using measured temperature values of thermocouples only is provided. A method for estimating temperature of a slab in a heating furnace comprises: obtaining a position of a peak point from a flow amount function of flue gas flown in from a heating zone in which the slab is positioned and a neighboring heating zone of the slab positioned heating zone according to a flow amount of a burner fuel, a flow amount of air and a moving direction of the slab; obtaining a temperature of the peak point from a flow amount function of flue gas flown in from a heating zone in which the slab is positioned and a neighboring heating zone of the slab positioned heating zone according to thermocouple temperatures of the slab positioned heating zones, a flow amount of a burner fuel, a flow amount of air and a moving direction of the slab; determining a position of a nose part inlet between neighboring heating zones as a position of a valley point; predicting a temperature of the valley point from a flow amount function of flue gas flown in from a heating zone in which the slab is positioned and a neighboring heating zone of the slab positioned heating zone according to the thermocouple temperatures of the slab positioned heating zones or a temperature of the peak point, and the moving direction of the slab; and obtaining a temperature profile within the heating furnace using the position and temperature of the peak point and the position and temperature of the valley point.
    • 提供一种板坯温度预测方法,其能够通过仅使用测量的热电偶的温度值使线性近似方法的问题最小化来提高温度估计的准确度。 一种用于估计加热炉中的板坯的温度的方法包括:从由其中定位有板坯的加热区和板坯的相邻加热区域流入的烟道气的流量函数获得峰值点的位置 根据燃烧器燃料的流量,空气的流量和板坯的移动方向确定加热区域; 根据板坯定位的加热区域的热电偶温度,根据从定位有板坯的加热区流入的烟道气的流量函数和板坯定位的加热区域的相邻加热区域获得峰值点的温度,a 燃烧器燃料的流量,空气的流量和板坯的移动方向; 确定相邻加热区之间的鼻部入口的位置作为谷点的位置; 根据板坯定位加热区域的热电偶温度,根据从定位有板坯的加热区流入的烟道气流量函数和定位于板坯定位的加热区域的相邻加热区域预测谷点温度或 峰值点的温度和板坯的运动方向; 并且使用峰点的位置和温度以及谷点的位置和温度来获得加热炉内的温度分布。