Intelligent cold-state furnace dynamic state measurement system and method suitable for large boilers
A large-scale boiler and measurement system technology, which is applied in the direction of measuring devices, fluid velocity measurement, velocity/acceleration/impact measurement, etc., can solve problems such as inaccurate installation angle measurement results, harsh environment for testers, and huge equipment
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[0085] Boiler #5 in a power plant of Huaneng Group is a subcritical, intermediate reheating, forced circulation drum boiler with an evaporation capacity of 1025t / h. The model is SG-1025 / 17.5-M881. Five layers of pulverized coal burners are arranged at intervals with the secondary air nozzles, and the pulverizing system is a direct blowing type equipped with 5 medium-speed coal mills. The NOx emission concentration of this boiler is relatively high. In order to meet the latest national pollutant emission standards for thermal power plants, the low-nitrogen burner has been modified. The modified burner adopts dual-scale low-nitrogen combustion technology and overfired air SOFA system. After the renovation was completed, an intelligent cold-state furnace dynamic state measurement system was used during the cold-state test.
[0086] During the boiler overhaul process of the power plant, in order to ensure a faster construction progress in the furnace, a lifting platform is used to...
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