传感器与微系统
傳感器與微繫統
전감기여미계통
TRANSDUCER AND MICROSYSTEM TECHNOLOGY
2015年
8期
70-72,90
,共4页
贾华%王浩%董大明%王月明%陈智辉
賈華%王浩%董大明%王月明%陳智輝
가화%왕호%동대명%왕월명%진지휘
高炉%探测棒%温度%高炉炉气%有限元
高爐%探測棒%溫度%高爐爐氣%有限元
고로%탐측봉%온도%고로로기%유한원
blast%wand%temperature%blast furnace gas%finite element
通过建立内嵌探测棒的高炉炉墙温度与炉墙厚度在线监测模型,并对其不同高炉炉墙厚度时的温度场进行稳态数值仿真,得出探测棒在不同高炉炉墙厚度时中轴线温度曲线的变化规律。根据探测棒中轴线温度曲线的变化规律,通过温度最大误差、平均误差等指标分析了三种不同的传感器布设方案,确定了传感器在探测棒上的布设数量和布设方案,实现了实时准确测量探测棒的温度场分布情况,结合探测棒长度数据进而推算出高炉炉墙的温度场分布情况,为指导高炉的正常运转和保证高炉长寿奠定了基础。
通過建立內嵌探測棒的高爐爐牆溫度與爐牆厚度在線鑑測模型,併對其不同高爐爐牆厚度時的溫度場進行穩態數值倣真,得齣探測棒在不同高爐爐牆厚度時中軸線溫度麯線的變化規律。根據探測棒中軸線溫度麯線的變化規律,通過溫度最大誤差、平均誤差等指標分析瞭三種不同的傳感器佈設方案,確定瞭傳感器在探測棒上的佈設數量和佈設方案,實現瞭實時準確測量探測棒的溫度場分佈情況,結閤探測棒長度數據進而推算齣高爐爐牆的溫度場分佈情況,為指導高爐的正常運轉和保證高爐長壽奠定瞭基礎。
통과건립내감탐측봉적고로로장온도여로장후도재선감측모형,병대기불동고로로장후도시적온도장진행은태수치방진,득출탐측봉재불동고로로장후도시중축선온도곡선적변화규률。근거탐측봉중축선온도곡선적변화규률,통과온도최대오차、평균오차등지표분석료삼충불동적전감기포설방안,학정료전감기재탐측봉상적포설수량화포설방안,실현료실시준학측량탐측봉적온도장분포정황,결합탐측봉장도수거진이추산출고로로장적온도장분포정황,위지도고로적정상운전화보증고로장수전정료기출。
Through establishment of embedded detecting rod of blast furnace and furnace wall temperature on-line monitoring model of wall thickness,and with the steady-state numerical simulation on temperature field of different blast furnace wall thickness. The sensor in detecting the number of layout on the rod as well as the layout scheme is determined,and the accurate and real-time measurement to detect temperature field distribution is implemented by analyzing three kinds of sensor layout scheme such as temperature of maximum error,average error indicators, according to the detecting rod axis temperature curve change rule. The temperature field distribution of blast furnace wall is calculated with the length of the detection data to guide the normal operation of blast furnace and ensure longevity laid a foundation.