With the continuous progress of urbanization in China

the number of domestic garbage is increasing

and the garbage treatment is imminent. This paper introduces the structure of 250 t/d mechanical grate waste incinerator

and expounds the layout of four vertical flue of the waste heat boiler. As the main equipment of waste incineration power generation

the waste heat boiler is of positive significance to the recovery and utilization of municipal solid waste and the improvement of urban environment.