2014-07-101974-134003。4。100%SO2≤100mg/m3≥90%5.52。DesignandpracticeofTonggangNo.4sintermachinefluegasdesulfurizationZengQingweiWangLiyuanTonghuaIronandSteelCo.Ltd.AbstractTheprincipleandproductionprocessofspraydryingabsorptionsemi-dryfluegasdesulfu-rizationwereintroduced.AftertheapplicationofthetechnologyinTonggangthesynchronousoperat-ingratewiththesintermachinegotto100%theoutletconsistencyofSO2wasnomorethan100mg/m3theefficiencyofdesulfurizationwasnolessthan90%thedesulfurizationcostwasabout5.52yuanpertonofsinter.Keywordsfluegasdesulfurizationspraydryingabsorptionenergysavingandreducingtheemis-sion4360m2385tSO25880t。60%。、。11.1420074500m2。1.21.2.1、4204m3/h。1.2.24、SO2400mg/m32000mg/m3。9Vol.34No.2Mar.2015ENERGYFORMETALLURGICALINDUSTRY1.2.390~160℃200℃230℃。1.3、、。199820092328m2、1、、、1。20104360m2、3。500m2。22.1SDA、SO2。SO2SO2+CaOH2→CaSO3H2OSO2SO2+1/2O2+CaOH2→CaSO4+H2OCaOH2SO3、HF、HCl2HCl+CaOH2→CaCl2+H2O2HF+CaOH2→CaF2+H2OSO230~80μmSO2。SO2SO297%。。。、Hg。2.22.2.1。Φ17.2m×19.5mHH=35.8m。60%40%。———。。。。2.2.250μmSO2--。。01ENERGYFORMETALLURGICALINDUSTRYVol.34No.2Mar.2015CaOH2。。HCl、HF、SO2、SO399%~100%。33.180~120℃。。490~95℃85~90℃。、、、。130℃。1。2。3180℃。415~20℃。3.2SO2、SO2、NOx、SO2≤100mg/m3。SO21200mg/m3。3.3Ca/S--CaOH2SO2Ca/S。Ca/SCa/S。。85~90℃Ca/S=1.488.3%、。3.4。、、、、。。。3.51。23SO2。。SO2SO24。11Vol.34No.2Mar.2015ENERGYFORMETALLURGICALINDUSTRY44.120123、SO2≤100mg/m330mg/m3。100%、。8000h≥90%SO2≥1200mg/m38575t/a3892kW2512×104kWh/a24×104m3/a2.0×104GJ/a160×104m3/a5.52/t12434t/a、。4.21。1SO2mg/m3℃m3/h%SO2mg/m3mg/m3℃120011822292.5684192164313121394.5933994122013122490.6854096151012620593.9613995184715022194.61023895143712121186.9864095160813420098.4864095148013521390.1854195187513221692.5963993205214121491.110338934.31g/cm31%~5%3%≤1mm。CaSO4、CaSO3、CaF2、CaCl2。“”。54SO25300t。21ENERGYFORMETALLURGICALINDUSTRYVol.34No.2Mar.2015