| 高炉冷却水温差高精度检测系统的研究与应用 |
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| 引用本文： | 贾佳,杨进,方挺.高炉冷却水温差高精度检测系统的研究与应用[J].巢湖学院学报,2015(3):90-94. |
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| 作者姓名： | 贾佳 杨进 方挺 |
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| 作者单位： | 1. 安徽工业大学电气信息学院,安徽 马鞍山,243000;2. 马钢第三炼铁总厂设备保障部,安徽 马鞍山,243000 |
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| 摘 要： | 针对国内高炉冷却水温差检测系统测温精度不高的弊端,设计并开发了高炉冷却水温差高精度检测系统。检测系统由测温节点、温度采集终端与上位机构成,之间通讯采用RS-485,基于三线制Pt1000设计了比率电桥温度补偿电路,并结合A/D转换器AD7799,构成信号处理电路,提高了水温采集精度。
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| 关 键 词： | 高炉冷却水 Pt1000 高精度 |
RESEARCH AND APPLICATION OF HIGH PRECISION DETECTION SYSTEM OF BLAST FURNACE COOLING WATER TEMPERATURE DIFFERENCES |
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| JIA Jia,YANG Jin,FANG Ting.RESEARCH AND APPLICATION OF HIGH PRECISION DETECTION SYSTEM OF BLAST FURNACE COOLING WATER TEMPERATURE DIFFERENCES[J].Chaohu College Journal,2015(3):90-94. |
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| Authors: | JIA Jia YANG Jin FANG Ting |
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| Abstract: | In response to the defects of the low accuracy of domestic blast furnace cooling water temperature difference detec-tion system, this paper is aimed at designing and developing a blast furnace cooling water temperature difference detection sys-tem with high precision. The detection system consists of the temperature measurement node, the temperature data collection ter-minal and PC components, and RS-485 is adopted for communications between them. Based on the three wire system Pt1000, this paper designs the circuit of ratio bridge temperature compensation and with the combination of A/D converter AD7799 the signal processing circuit is composed, improving water temperature collection accuracy. |
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| Keywords: | cooling water of blast furnace Pt1000 high precision |
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