垃圾焚烧炉炉膛先进测温装置应用

Application of Advanced Furnace Flue Gas Temperature Measuring Device in Refuse Incinerator

[目的]由于焚烧炉产生的烟气具有温度高、含尘量高、腐蚀性高等特点,因此常规测量炉膛烟温的热电偶易损坏,维护成本高,文章探索了改进炉膛烟温的测量手段。[方法]首先介绍了基于红外技术的两种先进的炉膛烟温测温方式,分析红外测温、双色比色法测温的原理,进而介绍了红外、双色比色法测温装置的结构和实际应用情况,并进行详细的技术对比。[结果]红外、双色比色法测温装置可用于垃圾焚烧炉炉膛烟温测温,并可通过进一步研究用于焚烧炉的燃烧优化和SNCR系统喷氨优化。[结论]随着新型测量装置的的应用和推广,其可靠性、精度不断得到提升和验证,具有良好的应用前景。

[Introduction]Because of the high temperature,high dust content and high corrodibility of the flue gas produced by incinerators,easy damage of the thermocouple for measurement of furnace flue gas temperature,and high maintenance cost.This paper explores ways to improve furnace flue gas temperature measurement.[Method]Firstly,this paper introduced two advanced furnace flue gas temperature measurement methods based on infrared technology,the principle of infrared temperature measurement and bicolorimetry temperature measurement was analyzed,and then the structure and practical application of infrared and colorimetry temperature measurement device were introduced,and the technical comparison was made in detail.[Result]The infrared and colorimetric method temperature measurement device can be used for the furnace flue gas temperature measurement of refuse incinerators,and can be used for the combustion optimization of refuse incinerators and the ammonia injection optimization of the SNCR system through further research.[Conclusion]With the application and promotion of the new measuring device,its reliability and accuracy have been improved and verified,and it has a good application prospect.