Environmental Sanitation Engineering ›› 2023, Vol. 31 ›› Issue (6): 11-15.doi: 10.19841/j.cnki.hjwsgc.2023.06.002

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Study on Operation Optimization and Control of Waste Incineration Grate Furnace Mixed Burning with Industrial Organic Solid Waste

ZHU Hao, YU Wu, XUE Hao， MA Xiaoling   

  1. China National Environmental Protection Group Co. Ltd.
  • Online:2024-01-05 Published:2024-01-05

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Abstract: A 600 t/d grate furnace of a municipal solid waste incineration power plant in southern China was taken as the research object, the operation optimization and control method of cooperative disposal of industrial organic solid waste in the solid waste incineration power plant were studied. By using the grate furnace of the solid waste incineration power plant, the mixing test of industrial organic solid waste was carried out. By changing the mixing ratio, the primary and secondary air volume, and the residence time of each grate section, the effect of mixing industrial organic solid waste on incinerator was studied. The results showed that the existing MSW incineration power plant could realize the collaborative disposal of industrial organic solid waste with less than 20% combustion content, and the incineration condition was better when the collaborative disposal volume was at a low level. In the actual operation process, the increase of primary and secondary air volume was helpful to improve the oxygen concentration in the furnace, so as to increase the evaporation of the incinerator. And the secondary air had more functions in increasing the first flue gas disturbance and reducing the coking of the furnace. The residence time of each grate should be adjusted according to the composition of the mixed waste.

Key words: domestic waste, grate furnace, industrial organic solid waste, blending combustion, furnace temperature, main steam flow

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