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    • 2. 发明公开
    • 제철 부생가스 제어 장치 및 방법
    • 用于控制从钢铁产生的副产物气体的装置和方法
    • KR1020130002150A
    • 2013-01-07
    • KR1020110063210
    • 2011-06-28
    • 현대제철 주식회사
    • 박병철김구용
    • F27D17/00
    • F27D17/004C10B33/12C10B35/00C10B41/02C21B7/002C21B2100/06C21C5/38C21C2100/06F27D17/002F27D21/02
    • PURPOSE: A control device for a by-product gas from iron-and-steel making process and a method thereof are provided to bypass COG(Coke Oven Gas) to re-run through a riser tube into a coke oven in case the flow rate of COG used in a coke oven is decreased, thereby reducing the unnecessary emission of COG and the pressure swing of a COG holder. CONSTITUTION: A control device for a by-product gas comprises a communications unit and a control unit. The communications unit receives COG(Coke Oven Gas) flux information from a COG pipe flow meter(30) installed on a COG supplying pipe. When the received COG flux information and a pre-determined threshold value is exceedingly different from each other, the control unit generates a valve-opening control signal to a COG by-pass pipe valve(45). A COG by-pass pipe is connected with a COG emission pipeline, wherein COG passing through the COG by-pass pipe is by-passed to the COG discharging pipeline toward a coke oven. A COG by-pass pipe valve is placed either in between COG pipe valves(35) connected with the COG flow meter and a mixing unit, or on the back end of the COG pipe valve.
    • 目的:提供一种用于钢铁制造工艺的副产物气体的控制装置及其方法,其用于绕过COG(焦炉炉气),以在流量 在焦炉中使用的COG减少,从而减少COG不必要的COG排放和COG保持器的压力摆动。 构成:用于副产物气体的控制装置包括通信单元和控制单元。 通信单元从安装在COG供应管上的COG管道流量计(30)接收COG(焦炉煤气)通量信息。 当所接收的COG通量信息和预定阈值彼此极大地不同时,控制单元向COG旁通管阀(45)生成开阀控制信号。 COG旁通管与COG排放管道连接,其中通过COG旁通管的COG被旁路到COG排放管道朝向焦炉。 COG旁通管阀被放置在与COG流量计连接的COG管阀(35)和混合单元之间,或COG管阀的后端。
    • 7. 发明授权
    • 제강 폐열을 이용한 폐열회수장치
    • 钢制造废热回收装置
    • KR101384185B1
    • 2014-04-17
    • KR1020120126986
    • 2012-11-09
    • (주)보은
    • 김천중
    • F27D17/00
    • Y02P80/152F27D17/004C21B2100/06C21C2100/06F27D17/002F27D2017/006F27D2017/007F27D2019/0031
    • The present invention relates to a waste heat recovering apparatus by using waste heat generated in manufacturing of steel, in which steam and hot water can be produced by employing the waste heat, which is discharged when air-cooling steel manufactured on a steel platform, as a heat source. In more particular, the water heat recovering apparatus includes: a waste heat collecting body provided in the form of a cylinder having a space therein, and placed above the heat source to collect the waste heat through a bottom surface; a plurality of heating pipes including lower and upper pipes communicating with each other in the space of the waste heat collecting body to generate heat as the collected waste heat is conductive; a waste heat receiving body coupled with the upper portion of the waste heat collecting body to receive the waste heat collected through the heating pipes of the waste heat collecting body; and a discharge pipe coupled with an upper end of the waste heat receiving body to discharge waste heat remaining in the waste heat collecting body. Hot waster and steam are obtained without combustion by using waste heat discharged when the steel manufactured on the steel platform is air-cooled so that energy cannot be significantly saved, but also the saving in the cost of the maintenance can be maximized. In addition, a waste heat collecting hood or a waste heat collecting skirt are further provided to directly collect waste heat in the waste heat collecting body and the waste heat receiving body, so that the rate to recovery the waste heat is increased, thereby enhancing energy efficiency. In addition, provided is the waste heat recovering apparatus by using the waste heat generated in manufacturing of steel, which can be installed in any place having a heat source to represent high compatibility, and can be miniaturized in a simple structure, so that the mechanical failure may not occur, so superior efficiency can be represented.
    • 废热回收装置技术领域本发明涉及一种废热回收装置,其通过使用在钢制造时产生的废热,其中可以通过使用在钢制平台上制造的冷却钢时排出的废热来制造蒸汽和热水作为废热回收装置, 一个热源。 更具体地说,该热水回收装置包括:废气收集体,其以具有空间的圆筒形式设置,放置在热源上方以通过底面收集废热; 多个加热管,其包括在废集热体的空间中彼此连通的下管和上管,以在所收集的废热导通时产生热量; 与废热收集体的上部连接的废热接收体,以接收通过废集热体的加热管收集的废热; 以及排出管,其与废热收集体的上端连接,以排出残留在废集热体中的废热。 当在钢制平台上制造的钢被风冷时,通过使用排出的废热而不燃烧获得热废气和蒸汽,从而不能显着节约能源,并且可以最大限度地节省维护成本。 此外,进一步设置废热收集罩或废热收集裙,以在废集热体和废热接收体中直接收集废热,从而提高回收废热的速率,从而提高能量 效率。 此外,通过使用在制造钢中产生的废热,能够将废热回收装置设置在可以安装在具有热源的任何地方以表现高相容性的废热回收装置中,并且可以以简单的结构小型化,从而机械 可能不会发生故障,因此可以表现出卓越的效率。
    • 8. 发明公开
    • 배기 처리 및 열 회수 시스템
    • 排气加热和热回收系统
    • KR1020120089688A
    • 2012-08-13
    • KR1020127010365
    • 2010-09-15
    • 제네럴 일렉트릭 테크놀러지 게엠베하
    • 버밍햄제임스더블유.오'보일케빈제이.
    • C21C5/38C21B9/14F01K23/06F22B1/18
    • C21B9/14C21B2100/06C21C5/38C21C2100/06F23J15/006F23J15/02F23J2217/102F23J2219/40F23L15/02F27D17/004F27D17/008Y02E20/348Y02P10/122Y02P10/132Y02P10/34
    • 열 효율 재생 공기 예열기(250)는 알칼리 분사 시스템(276)을 사용함으로써 고체연료 연소로(26)로부터 배출되는 연도가스로부터 더 많은 열 에너지를 추출한다. 이 예열기는 크기가 다른 알칼리 입자들(275)을 공기 예열기(250) 내로 선택적으로 분사함으로써 산성 오염물을 경감시킨다. 작은 입자들은 산성 증기들의 응결 및 중화를 위한 핵형성 장소들을 제공한다. 큰 입자들은 분사되어 열교환 요소들(542)에 접촉하여 선택적으로 부착되고 그 곳을 응결하는 액체 산을 중화시킨다. 침전물 축적이 임계값을 초과할 때, 이 장치는 큰 입자들의 더 높은 상대 비율을 발생하여 이용한다. 유사하게, 작은 입자들의 더 높은 상대 비율은 다른 경우에 이용된다. 오염 조건의 경감은 공기 예열기(250)의 재설계를 가능하게 하며 연도로부터 더 많은 열의 전달을 달성하고 그 결과 과다한 오염없이 더 낮은 연도가스 출구 온도를 초래하게 된다.
    • 热效率再生空气预热器250通过使用碱性注射系统276从离开固体燃料燃烧炉26的烟道中提取更多的热能。通过通过选择性地将不同大小的碱性颗粒275注入空气预热器250来减轻酸污染。小颗粒 为酸蒸气的冷凝和中和提供成核位点。 注入大颗粒以接触并选择性地粘附到热交换元件542并中和在那里冷凝的液体酸。 当沉积物积累超过阈值时,该装置产生并利用较高的相对百分比的大颗粒。 类似地,在其他情况下使用较小的相对百分比的小颗粒。 减少污染条件允许重新设计空气预热器250以实现更多的热量从烟道转移,导致更低的烟道气出口温度而没有过多的结垢。
    • 9. 发明公开
    • LDG 홀더의 레벨 예측 방법
    • 预测LDG保持器水平的方法
    • KR1020120057981A
    • 2012-06-07
    • KR1020100119564
    • 2010-11-29
    • 현대제철 주식회사
    • 심헌섭안군섭지성진
    • C21C5/40
    • C21C5/40C21C2100/06F27D17/004
    • PURPOSE: A method for predicting the level of an LDG holder(Lindz-Donawitz Gas) is provided to prevent the level of the LDG holder from the production amount of LDG calculated based on a blowing plan. CONSTITUTION: A method for predicting the level of an LDG holder comprises the steps of: receiving the start and finish time of blowing as input(S1), predicting the amount of produced LDG using the blowing start and finish time(S2), receiving the current LDG consumption amount and the current level of an LDG holder of a generating station as input(S3), and predicting the level of the LDG holder using the LDG production amount and the current LDG consumption amount of the generating station(S4).
    • 目的:提供一种预测LDG持有人(Lindz-Donawitz Gas)水平的方法,以防止LDG持有人的水平基于吹塑计划计算的LDG生产量。 构成:用于预测LDG保持器的水平的方法包括以下步骤:接收吹制的开始和结束时间作为输入(S1),使用吹制开始和结束时间(S2)预测产生的LDG的量,接收 当前LDG消耗量和作为输入的发电站的LDG持有者的当前水平(S3),并且使用LDG生产量和发电站的当前LDG消耗量来预测LDG持有者的水平(S4)。