高温加热炉柔性热电偶稳定性分析与研究  

Stability analysis and study on the flexible thermocouple of high temperature heating furnace

作　　者：凤建刚 李文 王发科 FENG Jiangang;LI Wen;WANG Fake(The First Olefin Branch of CHN Energy Ningxia Coal Co.,Ltd.,Ningxia Lingwu 750411,China)

机构地区：[1]国家能源集团宁夏煤业公司烯烃一分公司,宁夏灵武750411

出　　处：《工业仪表与自动化装置》2023年第5期89-92,共4页Industrial Instrumentation & Automation

摘　　要：柔性热电偶测温是加热炉等高温设备运行工况的主要监控方式,完好性和准确性是热电偶的重要性能指标,关系到设备的安全稳定运行。该文分析了引起加热炉测温的柔性热电偶故障原因,提出了升级材质、增加保护套管及改进安装方式的预防措施,并对改进后效果进行跟踪分析和验证。研究结果表明,该改进措施有效,可为同类工况热电偶安装提供参考与借鉴。The temperature measurement of flexible thermocouple is main monitoring methods of high temperature heating furnace equipment etc.Integrity and accuracy are the key factors of thermocouple,which is related to the security and stability operation of device.This paper analyzed the main factors of flexible thermocouple fault of heating furnace,the preventive measures of upgrading material and adding protective bushing and improving installation mode are put forward,at the same time,the improved effect is tracked and verified.The results show that the improved measures are effective,which can provide reference for similar thermocouple installation.

关 键 词：加热炉 柔性热电偶 保护套管 温度传感器 

分 类 号：TH811[机械工程—仪器科学与技术]