Taking a secondary copper smelting project as an example,the paper analyzes the characteristics of high flue gas temperature at the outlet of smelting furnace,which has a large amount of waste heat that can be recovered,but there is periodic fluctuation,and expounds the necessity of setting the steam accumulator in the waste heat recovery and utilization system as a bridge to balance the supply and demand relationship between steam production and steam utilization.The working principle of the steam accumulator is introduced,the heat storage capacity of the steam accumulator is calculated by taking a secondary copper smelting project as an example,and the application conditions of the steam accumulator are analyzed.
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