脱硫计算软件

1、脱硫计算书序号名称符号单位计算公式或数值来源计算结果-一-烟气里计算1理论空气量V0Nm/kg0.0889(Car +0.375Sar)+0.265Har-0.03330ar5.022燃烧产物理论体积Vy0Nrii/kg0 00沐2 +V R02 +V H205.491)氮气Uj2°Nm/kg0.79V°+0.008Nar3.972)二氧化物Vr020Nm/kg0.01866(Car+0.375Sa)0.913)水蒸汽0W20Nrii/kg00111Har+0 0124Mar+0.0161V0.623燃烧产物实际体积wNnkgvy0+o.o161(afa'-1)v&

2、#176;+(aifa'-1)v08.704干烟气量Vgy'Nnkg000W02 +Vn2 +(aifa'-1)V8.045烟气含氧量和含湿量计算1)烟气中的水分W20'Nnkg00W20 +0.0161 (aifa'-1)V0.672)烟气中的氧量V02'Nnkg0.21(a ifa '-1)V 00.663)干烟气中含氧量ngo2%V02'/Vgy'8.264)湿烟气中含氧量nsho2%V02'/Vy'7.625)湿烟气中含湿量nH2O%VH20'/V y'13.006)湿烟气中C02含

3、量nshco2%0.01866Car/Vy'10.297)干烟气中C02含量n gC°2%0.01866Car/Vgy'11.148)湿烟气中S02含量nshso2%0.01866*0.375Sar/Vy'0.149)干烟气中S02含量n gso2%0.01866*0.375Sar/Vgy'0.1510)湿烟气中N2含量nshN2%(0.79a ifa 'V0+0.008Nar)/Vy'74.2711)干烟气中N2含量ngN%0(0.79a ifa 'V +0.008Nar)/Vgy'80.456总燃烧产物实际湿体积Vt

4、shyNnr/hW*Bj*10003037597总燃烧产物实际干体积VtgyNrhV)y'*Bj*10002642708总燃烧产物6%02干体积Vtgy-O2NrhVtgy *(21- ngo2)/(21-6)224492二烟气含硫量及脱硫量计算1脱硫进口 S02量Mkg/hBj*1000*Sy/100*0.7*64/22.41886.14kmol/hM/6413.852脱硫进口 S02实际浓度C5O23mg/NrnM/Vtshy （标态，干基，6%0）3947.32ppmCso2*22.41/641382.183要求脱硫量kg/hM*n *n/1003190.11kmol/hM/64

5、49.85三吸收剂消耗量计算1石灰石（CaCO3）理论消耗量M3kmol/hMs/64*(Ca/S)51.34kg/hM3*M 15134.082石灰石（CaCO3）实际消耗量M3'kg/hM3*M 1/(P/100)5704.53t/h5.70四脱硫产物计算1CaS0.2H20生成量M4t/hMs/64*M 10/10008.573脱硫产物中飞灰含量1Mst/hm2 *2/30.80引风机出口飞灰总量m2t/hVtgy-o2*m h1.194未反应的CaC03M6t/hM/(ca/s)*(ca/s)-1)0.155CaC0带入的杂质M7t/hM3'*(1-P/100)0.57

6、6脱硫产物总量M8t/hM4+M5+M6+M710.097皮带机出口石膏产量M9t/hM 8/0.911.218石膏纯度n1%M4/M 884.979总的脱硫产物量t/hM810.0910皮带机出口的石膏总产量t/hM911.2111年石膏生成量t/年M9'*H76233五脱硫耗水量计算:1吸收塔蒸发水量（假定吸收塔内温丿度为50C，工业水温10C）1)1kg水蒸发需要热量：mshkj/kg(50-10)*4.18+25102677.20脱硫反应热蒸发水量(CaCO3+SO2+1/2O2+H2O-CaSO4.2H2O+339kJ/mol)nsh1t/hMs/64*339/m sh6.3

7、12)烟气降温蒸发水量（未计放热损失）热交换器放热端：126t吸热端：50-85烟气比热kcal/Nm3 C100C0.3300kcal/Nm3 C200C0.3350i 13kcal/Nm . C插值法:tpy0.3313i 2插值法求85 C比热0.3293tCt=126-i2*(85-50)/i 191.22i 3kcal/Nm3. C插值法:t0.3296塔内烟气放热量QkJ/hV ' * i 3*4.18*(t-50)68987833塔内烟气放热蒸发水量nsh2r t/hQ/msh25.773)单塔蒸发水量Mvet/hmsh1 + msh232.08单塔蒸发水汽体积VweNr

8、hMwe/18*106*22.4/100039922.172脱硫耗水量1)脱硫结晶水Myct/hM4/M10*(2*18)10.752)石膏表面水Mysr t/hM9*0.10.0153)FG废水MWwt/h(Bj*0.063%*1000+(M gyc+M gys+M we)*1000*0.000018-Vtgy*0.4*0.000001-M 9*1000*0.01%)/0.02/10004.104)脱硫蒸发水量Mver t/h32.085)清洁冲洗水Mywt/h估计10.006)泵与风机冷却用水MWqr t/h估计2.007)单套脱硫装置耗水量Mvt/hMgyc+M gys+M ww+M w

9、e+M gyw+M wq58.958)总的脱硫装置耗水量MW't/hn*M w58.95六氧化空气量计算:1需氧量Vo2kg/hSO2-1/2O2797.53kmol/hVo2/3224.922需空气量VkNm/hVo2/32*22.41/0.212659.61七主要参数汇总四台炉的数据1吸收塔讲口烟气量V'Nm/h12150352吸收塔出口烟气量V"Nrn/hVtshy+V k-V o2+Vwe-Vso212567713脱水机出口石膏M9t/h含水10%11.214旋流站出口石膏浆液量M11t/hM"0.5(含水 50%)20.185石膏旋流站出口回流量M

10、2t/hM13-M11-Mww（不包括废水）42.986吸收塔排出浆液量M3t/hM8/0.15(含水 85%)67.267石灰石粉耗量M3'P t/h5.708工艺水量Mwt/h包括冷却水等58.959FG废水MWwP t/h4.10八主要设备选择1吸收塔烟气流速1Vm/s取值3.30烟气量Qm7hV"*(273+50)/2731486948计算直径Dm(4*Q/3.14/ v /36OO)0.513液气接触时间Ss取值3.50吸收塔咼度HmV *S11.55液气比L/G取值12.00浆液循环量Qcm3/h(L/G)*V"/100015081.25浆液停留时间Tmin取值6.00吸收塔浆池容积V1m3Qc*T/601508.122石灰石粉仓容积:3 m按7天储量：MM >7疋4/0.9939.573石灰石浆池容积m3按4小时储量：MT纲0.3/1.21962.400.0034 0.0193950.00021082 0.036261备注烟气带水按13 %考虑