真人棋牌游戏

石灰(石灰石)石膏法脱硫

JIANJIE

SHIGAOFATUOLIUSHISHIFATUOLIUCHANGYONGDEYIZHONG。

SHIGAOFADEZHUYAOYOUDIANSHI:SHIYONGDEMEIZHONGFANWEIGUANG、TUOLIUXIAOLVGAO(YOUDEZHUANGZHICa/S=1.03SHI,TUOLIUXIAOLVDAYU90%)、XISHOUJILIYONGLVGAO(KEDAYU90%)、SHEBEIYUNZHUANLVGAO(KEDA90%YISHANG)、GONGZUODEKEKAOXINGGAO(MUQIANCHENGSHUDEYANQITUOLIUGONGYI)、TUOLIUJI—SHIHUISHILAIYUANFENGFUQIELIANJIA。

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GONGZUOYUANLI

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GONGYILIUCHENG

真人棋牌游戏GUOLU/YAOLU—>CHUCHENQI—>YINFENGJI—>XISHOUTA—>YANCONG

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GONGYIYUANLI

TUOLIUGUOCHENG

真人棋牌游戏CaCO3+SO2+1/2H2O→CaSO3·1/2H2O+CO2

真人棋牌游戏Ca(OH)2+SO2→CaSO3·1/2H2O+1/2H2O

真人棋牌游戏CaSO3·1/2H2O+SO2+1/2H2O→Ca(HSO3)2

YANGHUAGUOCHENG

2CaSO3·1/2H2O+O2+3H2O→2CaSO4·2H2O

Ca(HSO3)2+O2+2H2O→CaSO4·2H2O+H2SO4


石灰(石灰石)石膏法脱硫
石膏法的主要优点是:适用的煤种范围广、脱硫效率高(有的装置Ca/S=1.03时,脱硫效率大于90%)、吸收剂利用率高(可大于90%)、设备运转率高(可达90%以上)、工作的可靠性高(目前最成熟的烟气脱硫工艺)、脱硫剂—石灰石来源丰富且廉价。
该技术与抛弃法的区别在于向吸收塔的浆液中鼓入空气,强制使CaSO3都氧化为CaSO4(石膏),脱硫的副产品为石膏。同时鼓入空气产生了更为均匀的浆液,易于达到90%的脱硫率,并且易于控制结垢与堵塞
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