Abstract:

The power boiler calculation model constructed in this paper provides an effective tool for chemical enterprises to accurately quantify the impact of coal quality and load on steam production, and provides a reliable basis for fuel procurement and operation optimization. After verifying and optimizing the model using the actual operation data of a 160 ton/h fluidized bed boiler of a chemical company in Shandong, the accuracy and reliability of the model have been significantly improved. It was calculated that the fuel cost per unit of steam was reduced by 7.3%. The boiler efficiency was about 81.25% when using high calorific value coal. By adjusting the operating parameters, the flue gas temperature was reduced by 10°C, the combustible content of ash was reduced to 3.97%, and the boiler efficiency was increased to 83.79%. It has effectively improved the economic benefits and energy utilization efficiency of enterprises, providing a scientific basis and effective means for the operation and management of power boilers in chemical enterprises.

Key words: boiler operation, calculation model, optimization for efficiency improvement