Short_Multiple_Effect_Evaporators - GRADED

Short_Multiple_Effect_Evaporators - GRADED - Instructions...

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Unformatted text preview: Instructions The following pages represent the Multiple Effect Evaporator set and changes that have been m Note: Ensure that the iterations capability is on if any values of zero begin to appear in the pag 1. If you would like to change any of the input values, they are highlighted in yellow on each page. change the value located next to the diagram, not in the calculations section. 2. The key on each page shows what the highlight colors mean. All calculations are setup and inputs/variations need to be changed as desired. Again, please change the numbers located nex diagram. 3. Each of the Cases is as follows: Base Case of just evaporators, Alt1 is the base case now includ tank, Alt2 is Alt1 with a new incoming temperature, and Alt3 and Alt4 are Alt1 with new incoming solid The purple highlighted cells on the alternate cases indicate the cell that has been changed to resu same exiting solids content as the base case. ade. ge. . Please d only xt to the ing a flash ids content. ult in the 27226.05 lb/h 16.90 psia 254.65 F Steam Economy 2.55 Capacity 69382.09 lb value high because of errors described 90617.91 lb/h 215.47 F 25.6% lb sol/lb 24096.66 lb Key Effect 1 Given Info U= 150 Input Info A= 4000 Calc Info Cp= 0.85 Liquor In Flow 114714.57 Temp 185.08 U= 150 A= 4000 ft2 Cp= 0.85 Effect 1 Constants Dis Solids 0.20 PC 218.17 Liquor Out Flow 90617.91 X const 647.27 Temp 215.47 A1 3.24 Dis Solids 0.26 B1 5.87E-03 Steam In Flow 27226.05 C1 1.17E-08 Temp 254.65 D1 2.19E-03 Pres 16.90 Btu/lb F Heat o Vap 965.81 0.0087-0.1772 Vapor Out Flow 24096.66-1.3050 3.8399 Temp 210.82-8.2137 11.4835 Pres 15.67-16.3765 31.1311 Heat o Vap 968.27 0.0000 0.0001 Bottom BPR 4.65 0.0000 0.0000 should be negative Vap Temp 210.82 1045.8100 86.5940 Liq Temp 215.47 Q 26295101.36 Am Evap 24096.66 Steam Table Calc Temp 254.65 Temp 396.85 X 250.42 Pres 2.20 Pres 16.90 Lamda 965.81 24096.66 lb/h 15.67 psia 210.82 F 114714.57 lb/h 185.08 F 20.2% lb sol/lb 21785.43 lb Effect 2 Btu/h*ft^2*F U= 200 Btu/h*ft^2*F ft^2 A= 4000 ft^2 Btu/lb*F Cp= 0.89 Btu/lb*F lb/h Liquor In Flow 136500.00 lb/h F Temp 166.83 F U= 200 A= 4000 ft2 Cp= 0.89 Effect 2 lb sol/lb Dis Solids 0.17 lb sol/lb lb/h Liquor Out Flow 114714.57 lb/h F Temp 185.08 F lb sol/lb Dis Solids 0.20 lb sol/lb lb/h Steam In Flow 24096.66 lb/h F Temp 210.82 F psia Pres 15.67 psia Btu/lb Heat o Vap 968.27 Btu/lb lb/h Vapor Out Flow 21785.43 lb/h F Temp 181.66 F psia Pres 15.23 psia Btu/lb Heat o Vap 969.20 Btu/lb F Bottom BPR 3.42 F F Vap Temp 181.66 F F Liq Temp 185.08 F Btu/lb Q 23332020.73 Btu/lb lb Am Evap 21785.43 lb Steam Table Calc F Temp 210.82 F K Temp 372.51 K X 274.76 atm Pres 0.98 atm psia Pres 15.67 psia Btu/lb Lamda 968.27 Btu/lb 21785.43 lb/h 15.23 psia 181.66 F 136500.00 lb/h 166.83 F 17.0% lb sol/lb 23500.00 lb Effect 3 F U= 300 Btu/h*ft^2*F A= 4000 ft^2 Cp= 0.92 Btu/lb*F Liquor In Flow 160000.00 lb/h Temp 183.00 F U= 300 A= 4000 ft2 Cp= 0.92 Effect 3 Dis Solids 0.15 lb sol/lb Liquor Out Flow 136500.00 lb/h Temp 166.83 F166....
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Short_Multiple_Effect_Evaporators - GRADED - Instructions...

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