Waste heat utilization and dust removing method for electric furnace flue gas with thermal storage soaking device
A flue gas waste heat and temperature equalizer technology, applied in furnaces, waste heat treatment, furnace components, etc., can solve problems such as low steam output, and achieve the effects of low dust content, reduced maintenance, and reduced investment.
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[0021] Below in conjunction with accompanying drawing, the present invention will be further described:
[0022] Such as figure 1 Shown: the steps of the waste heat utilization and dedusting method of electric furnace flue gas with heat storage equalizer of the present invention are as follows: 90t / h electric furnace 1 flue gas flow rate 20×10 4 N m 3 / h, temperature 900℃, dust concentration 35g / Nm 3 It is discharged from the furnace, mixed with cold air through the water-cooled flue 2, and enters the combustion settling chamber 3 after burning carbon monoxide gas; Cold air, final combustion of carbon monoxide gas, adjust and control the temperature of the flue gas in the settling chamber to 650°C; the flue gas passing through the combustion settling chamber enters the high-temperature dust collector 4, and the dust concentration after dust removal is 12mg / Nm 3 . The high-temperature flue gas that has been dedusted enters the heat storage homogenizer 5, and after passing ...
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