Product Name: Boiler Temperature Field Analysis System
Model:TEM-2D
Challenges for users of boiler power plants
Pulverized coal or biomass combustion is a complex process, and even the smallest changes can lead to unnecessary coking, corrosion, and pollutant emissions that endanger plant efficiency. The temperature of the flame and smoke is an important control parameter. If the combustion temperature is unevenly distributed in the furnace, the local thermal overload may greatly increase the possibility of slagging at the hot surface. The timely optimization of the combustion process can save fuel and increase the thermal efficiency of the power plant. In this case, the latest TEM-2D process temperature analysis system allows timely detection of corrective measures by detecting deviations in temperature distribution. Accurately capturing the temperature window of SNCR can greatly increase the efficiency of denitrification.
Problems in denitrification of SNCR
Uneven temperature distribution in the boiler, imbalance of around 100K
Furnace temperature field drift, 10-20 meters drift distance
NOx emission indicators are getting lower and lower, 400mg/m3, 200mg/m3, 100mg/m3
The requirement for ammonia slip is also quite strict How to achieve a low ammonia emission while ensuring low emissions
The uneven temperature distribution in the boiler, unbalanced high-temperature corrosion up to 300K is a common problem. The evaporation is unstable and the average load is low.
Control of CO and NOx is difficult
System advantages:
Coal-fired boiler process optimization
Accurately capture SNCR denitrification temperature window
Prevent local hot spots
Prevent local erosion
Prevent local slagging
Improve boiler operating efficiency
Reduce NOx emissions
Reshape outer fireball into center area and round fireball
Optimize kiln gas ratio
Functional principle
Based on advanced sensors, temperature changes in the radiation intensity of the furnace are used to monitor changes in temperature rise or fall in real time. By selecting a high-precision sensor, the intelligent TEM-2D system can guarantee extremely high accuracy measurements and can display the temperature distribution of the entire two-dimensional measurement plane. For this purpose, two sets of sensors need to be installed on each side of the boiler, and a total of eight sets of sensors are installed. Through the intelligent software system, the measured data of the temperature distribution is obtained and displayed as a 2D contour. A small opening in the boiler wall will suffice to install the intelligent TEM-2D system with an opening diameter of around 40mm or less. The system uses gas cooling and tiny openings require only a small amount of gas (2 cubic meters per hour).
System technical parameters
Temperature range: 600~1800°C
Temperature measurement accuracy: ±1°C
Temperature output form: 2D plane analysis of smart thermal image
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