節(jié)能環(huán)保石灰窯關(guān)于產(chǎn)灰率、CaO含量、灼減量的工藝計(jì)算
1)設(shè)石灰石中,雜質(zhì)為3.57%,CaCO3占96.43%(相當(dāng)于CaO54%)
則:CaCO3 雜質(zhì) 生燒
96.43 3.57 0
則:生石灰:54.00+3.57+0=57.57(石灰制成率)
生石灰中CaO含量為54.00/57.57=93.8%≈94%
雜質(zhì)占3.57/57.57=6.2%≈6%
如果產(chǎn)品中有生燒時(shí),則
CaCO3 雜質(zhì) 生燒
96.43-X 3.57 X
則生石灰:(54-0.56x)+3.57+x=57.57+0.44x
如生燒為5.00%,則x/(57.57+0.44x)=5.00%x=2.94
石灰制成率為57.57+0.44*2.94=58.86(%)
石灰石中CaO含量為(2.94*0.56+52.35)/58.86≈2.20%
雜質(zhì)含量3.57/58.86=6.06%
殘留CO2量(灼減)占0.44*2.94/58.86≈2.20%
2)如果石灰石中,雜質(zhì)占2%,則有
CaCO3 + 雜質(zhì) + 生燒率
98.00 2.00 0
則生石灰:54.88+2.00+0=56.88(制成率)
生石灰中CaO含量為54.88/56.88=96.48%
雜質(zhì)占2.00/56.88=3.52%
如果生石灰中含有生燒則:
CaCO3 雜質(zhì) 生燒
98-X 2.00 X
則生石灰:54.88-0.56x+2.00+x=56.88+0.44x
按生燒5.00%計(jì)x/(56.88+0.44x)=5.00%x=2.91
石灰中CaO含量為(2.91*0.56+53.25)/58.16=94.36%
石灰制成率56.88+0.44*2.91=58.16(%)
雜質(zhì)含量為2.00/58.16≈3.44%
殘留CO2量占(灼減量)0.44*2.91/58.16≈2.20%
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