Activated Sludge System Planning Differentiation of Sell User in put Setting value Calculation value 1. Design condition Row water Quantity 3,000 Water Temperature 28.5 ℃ Operation Time 16 Hr Quantity of Water in Hour 187.5 Water / Raw Material 35 Production Quantity 86 t/day BOD Basic Unit 20.0 kg-BOD/t-Materia Grits + Sand Quantity 9.5 Content 11.0 % Rubber Particle Quantity 1,032 kg Content 1.2 % BOD 600 ppm 573 ppm MLSS 2,500 ppm 2. Droping Sand Tank Diameter of Tremoved Sand 0.05 mmφ Water Temperature 28.5 ℃ Specific Gravity of Water 0.995 Viscosity of Water 0.838 Centi Poise Sedimentation Rate of Sand 0.244 cm/sec Gravity of Sand 2.50 Water Area Load 8.8 Safety Factor 1.5 Area of Sand Tank 31.96 Sedimentation Rate of Sand 0.147 m/min Sedimentation Factor 3.0 Sedimentation Distance of Sand 0.80 m Retention Time 16.4 min Sand Tank Volume 51.14 Tank Size 6.00 m (W) * 5.33 m (L) * 1.00 2.00 3.00 Area of Tank 31.96 Volume of Tank Direct Part 31.96 Tank Volume 42.62 Volume of Tank Lower Part 10.65 Grits + Sand Amount Grits + Sand Amount 9.5 Grits + Sand Density 6.0 % Lift Water Quantity 157.7 Operation time 4.0 Hr Air Lift Pump 1 Units Sand Tank Depth 3.0 m Injection of Air Lift Pump 0.6 m (from Bottom) Lift Water of Air Lift Pump 0.66 Injection of Air Lift Pump 2.4 m (Hs) Lift Up of Air Lift Pump 1.5 m (H) Air of Air Lift Pump 0.926 1 Units 0.93 3. Floatation Tank Diameter of Tremoved Rubber 0.20 mmφ Water Temperature 28.5 ℃ Specific Gravity of Water 0.995 Viscosity of Water 0.838 Centi Poise m 3 /day m 3 /Hr m 3 /t m 3 /day g/cm 3 g/cm 3 m 3 /m 2 ・Hr m 2 m 3 m (D1)* m (D2) m (D) m 2 m 3 m 3 m 3 m 3 /day m 3 /day m 3 /min m 3 /min*Units X m 3 /min g/cm 3 Droping Sand Tank Flotatio n Tank D1 D2 D
This document is posted to help you gain knowledge. Please leave a comment to let me know what you think about it! Share it to your friends and learn new things together.
Transcript
1
Activated Sludge System Planning
Differentiation of SellUser in put Setting value Calculation value
1. Design conditionRow water Quantity 3,000 Water Temperature 28.5 ℃
Operation Time 16 Hr Quantity of Water in Hour 187.5 Water / Raw Material 35 Production Quantity 86 t/day BOD Basic Unit 20.0 kg-BOD/t-Material
2. Droping Sand TankDiameter of Tremoved Sand 0.05 mmφ
Water Temperature 28.5 ℃ Specific Gravity of Water 0.995 Viscosity of Water 0.838 Centi Poise
Sedimentation Rate of Sand 0.244 cm/sec Gravity of Sand 2.50 Water Area Load 8.8 Safety Factor 1.5
Area of Sand Tank 31.96
Sedimentation Rate of Sand 0.147 m/minSedimentation Factor 3.0
Sedimentation Distance of Sand 0.80 mRetention Time 16.4 min
Sand Tank Volume 51.14 Tank Size
6.00 m (W) * 5.33 m (L) * 1.00 2.00 3.00 Area of Tank 31.96 Volume of Tank Direct Part 31.96 Tank Volume 42.62 Volume of Tank Lower Part 10.65
Grits + Sand AmountGrits + Sand Amount 9.5 Grits + Sand Density 6.0 %Lift Water Quantity 157.7
Operation time 4.0 HrAir Lift Pump 1 Units
Sand Tank Depth 3.0 mInjection of Air Lift Pump 0.6 m (from Bottom)Lift Water of Air Lift Pump 0.66 Injection of Air Lift Pump 2.4 m (Hs)Lift Up of Air Lift Pump 1.5 m (H)
Air of Air Lift Pump 0.926 1 Units 0.93 3. Floatation Tank
Diameter of Tremoved Rubber 0.20 mmφWater Temperature 28.5 ℃ Specific Gravity of Water 0.995
Viscosity of Water 0.838 Centi Poise
m3/daym3/Hr
m3/t
m3/day
g/cm3
g/cm3
m3/m2・Hr
m2
m3
m (D1)* m (D2)m2 m3
m3 m3
m3/day
m3/day
m3/min
m3/min*Units X m3/min
g/cm3
Droping Sand Tank
Flotation Tank
D1
D2
D
2
Floatation Rate of Rubber 0.038 cm/sec Gravity of Rubber 0.98 Water Area Load 1.4 Safety Factor 1.5
Area of Floatation Tank ### Floatation Rate of Rubber 0.023 m/min
Floatation Factor for Stream 5.0 Floatation Distance of Rubber 0.60 m
Retention Time 132.4 minFloatation Tank Volume 413.7
Tank SizeTank Size 14.40 m (W) * 14.36 m (L) * 3.00 m (D) = 620.54 3.00
Rubber ParticleRubber Particle Amount 1,032 kg/dayBulk density of Rubber 0.5 Rubber Particle Volume 2.06 Rubber Particle Density 10.0 %
Lift Water Quantity 20.6 Operation time 4.0 HrLift Water Flow 0.086
Air Lift Pump 4 UnitsFloatation Tank Depth 3.00 m
Injection of Air Lift Pump 0.6 m (from Bottom)Lift Water of Air Lift Pump 0.086 Injection of Air Lift Pump 2.4 m (Hs)Lift Up of Air Lift Pump 1.5 m (H)
Air of Air Lift Pump 0.0303 4 Units 0.121
4. Pump PitPump of Pump Pit
Average Water Flow 187.5 Safety Factor 1.5 Units of Pump 3 Units
Lift Water Quantity 1.56
Pump Type JVC- 100-28 Made in TAIWAN (SAN JAI MACHINERY)Power Comsumption 10.0 Hp 1.6 3 Units
7.5 kw 18.0 mHTotal Power Comsumption 22.5 kw*Hr
Pump PitRetention Time 15.0 min
Pit Volume 46.9 Tank Size 4.00 m (W) * 3.91 m (L) * 3.00 m (D) = 46.9
[Blower] [Diffuser Type SD-300] [Diffuser Type SD-150]
m3/min m3/min
m3/min*Unit m3/min*Unit
m3/min*Unit m3/min*Unit
[Diffuser][Diffuser Type SD-300] [Diffuser Type SD-150]
m3/min*Units m3/min*Units
m3/Hr
m3/m2*day m3/m2*Hr
m2/Units
4
Settling Tank Volum 468.8 Tank Size
Settling Tank Size 16.00 m (W) * 14.21 m (L) * 3.00 m (D)Direct Trunk D = 1.50 341.1 Slope Trunk D = 1.50 m (Ds)
Division of Bottom 6 Length 2 Side 3A : 8.00 B : 4.74 a : 1.00 b : 1.00
Slope Trunk Volum 135.2 Area of Tank 227.4 Tank Volum 476.3 > 468.8
0.50.5
Structure of the Settling Tank (Imagination Figure)
Overflow WeirAmount for Overflow Weir 1m 8
Overflow Weir Length 23.4 m
8. Return SludgeReturn Sludge MLSS 8,000 ppm
MLSS 2,500 ppmReturn Sludge Amount 85.2
Safety Factor 1.5 Lift Water of Pump 127.8 2.13
Return Sludge Vertical PumpPump Capacity 0.36 6 Units
Pump Type JVC- 80-25 Made in TAIWAN (SAN JAI MACHINERY)Power Comsumption 5.0 Hp 0.62 6 Units
3.8 kw 18.0 mHTotal Power Comsumption 30.0 kw*Hr
Return Sludge Air Lift PumpOperation time 24.0 Hr
Units of Air Lift Pump 6 UnitsLift Water of Air Lift Pump 0.36 Injection of Air Lift Pump 0.6 m (from Bottom)Injection of Air Lift Pump 2.4 m (Hs)Lift Up of Air Lift Pump 2.0 m (H)
Air of Air Lift Pump One Unit 0.75 Total Air of Air Lift Pump 4.52
9. Produced SludgeRow water Quantity 3,000
BOD 600 ppmAiration Tank Volum 1,800
MLSS 2,500 ppmConversion Rate from BOD to Sludge 0.55
m3/Unit
m (Dd) Direct Trunk Volum
Ds :m3
m2
m3 m3 (Design Calculation Value)
Ratio of Dd and Ds
Dd :Ds :
m3/m*H
m3/Hr
m3/Hr m3/min
m3/min
m3/min
m3/min *Unit
m3/min*Unitm3/min
m3/day
m3
a :
Dd
DsA
B
a b
5
0.07Amount of Produced Sludge 675 kg/day
Return Sludge MLSS 8,000 ppmAmount of Excess Sludge 84
10. Blower Capacity of Air Lift PumpAir Lift Pump of Sand Tank 0.93
Air Lift Pump of Flotation Tank 0.12 Air Lift Pump of Return Sludge 4.52
Total Air 5.56
Injection of Air Lift Pump 2.4 m (Hs-Max)Blower Capacity of Air 5.56 1 Unit
Blower Type RSS- 80 6.55 Power Comsumption 7.5 Hp Rotate 1300 r.p.m
11. Electrical Comsumption Total Electrical Comsumption of Equipment (kw)
2. Droping Sand TankDiameter of Tremoved Sand 0.05 mmφ
Water Temperature 28.5 ℃ Specific Gravity of Water 0.995 Viscosity of Water 0.838 Centi Poise
Sedimentation Rate of Sand 0.244 cm/sec Gravity of Sand 2.50 Water Area Load 8.8 Safety Factor 1.5
Area of Sand Tank 31.96
Sedimentation Rate of Sand 0.147 m/minSedimentation Factor 3.0
Sedimentation Distance of Sand 0.80 mRetention Time 16.4 min
Sand Tank Volume 51.14 Tank Size
6.00 m (W) * 5.33 m (L) * 1.23 2.47 3.70 Area of Tank 31.96 Volume of Tank Direct Part 39.42 Tank Volume 52.56 Volume of Tank Lower Part 13.14
Grits + Sand AmountGrits + Sand Amount 16.5 Grits + Sand Density 6.0 %Lift Water Quantity 275.0
Operation time 4.0 HrAir Lift Pump 1 Units
Sand Tank Depth 3.7 mInjection of Air Lift Pump 0.6 m (from Bottom)
m3/daym3/Hr
m3/t
m3/day
g/cm3
g/cm3
m3/m2・Hr
m2
m3
m (D1)* m (D2)m2 m3
m3 m3
m3/day
m3/day
Droping Sand Tank
Flotation Tank
D1
D2
D
Lift Water of Air Lift Pump 1.15 Injection of Air Lift Pump 3.1 m (Hs)Lift Up of Air Lift Pump 1.5 m (H)
Air of Air Lift Pump 0.926 1 Units 0.93
3. Floatation TankDiameter of Tremoved Rubber 0.20 mmφ
Water Temperature 28.5 ℃ Specific Gravity of Water 0.995 Viscosity of Water 0.838 Centi Poise
Floatation Rate of Rubber 0.038 cm/sec Gravity of Rubber 0.98 Water Area Load 1.4 Safety Factor 1.5
Area of Floatation Tank ### Floatation Rate of Rubber 0.023 m/min
Floatation Factor for Stream 5.0 Floatation Distance of Rubber 0.60 m
Retention Time 132.4 minFloatation Tank Volume 413.7
Tank SizeTank Size 6.00 m (W) * 34.47 m (L) * 3.70 m (D) = 765.33 3.70
Rubber ParticleRubber Particle Amount 1,800 kg/dayBulk density of Rubber 0.5 Rubber Particle Volume 3.60 Rubber Particle Density 10.0 %
Lift Water Quantity 36.0 Operation time 4.0 HrLift Water Flow 0.150
Air Lift Pump 4 UnitsFloatation Tank Depth 3.70 m
Injection of Air Lift Pump 0.6 m (from Bottom)Lift Water of Air Lift Pump 0.150 Injection of Air Lift Pump 3.1 m (Hs)Lift Up of Air Lift Pump 1.5 m (H)
Air of Air Lift Pump 0.0303 4 Units 0.121
4. Pump PitPump of Pump Pit
Average Water Flow 187.5 Safety Factor 1.5 Units of Pump 2 Units
m3/min
m3/min*Units X m3/min
g/cm3
g/cm3
m3/m2・Hr
m2
m3
m3
g/cm3
m3
m3/day
m3/min
m3/min
m3/min*Units X m3/min
m3/Hr
Lift Water Quantity 2.34
Pump Type JVC- 150-28 Made in TAIWAN (SAN JAI MACHINERY)Power Comsumption 20.0 Hp 3.2 2 Units
15.0 kw 18.0 mHTotal Power Comsumption 30.0 kw*Hr
Pump PitRetention Time 15.0 min
Pit Volume 46.9 Tank Size 2.50 m (W) * 7.50 m (L) * 2.50 m (D) = 46.9
[Blower] [Diffuser Type SD-300] [Diffuser Type SD-150]
m3/min m3/min
m3/min*Unit m3/min*Unit
m3/min*Unit m3/min*Unit
[Diffuser][Diffuser Type SD-300] [Diffuser Type SD-150]
m3/min*Units m3/min*Units
m3/Hr
m3/m2*day m3/m2*Hr
Settling Tank Area 227.4 Retention Time 2.5 Hr Over
Settling Tank Volum 468.8 Tank Size
Settling Tank Size 24.00 m (W) * 9.47 m (L) * 3.50 m (D)Actual Settling Tank Size 24.00 18.00 3.50
Direct Trunk D = 1.75 397.9 Slope Trunk D = 1.75 m (Ds)
Division of Bottom 12 Length 4 Side 3A : 6.00 B : 6.00 a : 0.50 b : 0.50
Slope Trunk Volum 274.8 Area of Tank 227.4 Tank Volum 672.7 > 468.8
0.50.5
Structure of the Settling Tank (Imagination Figure)
Overflow WeirAmount for Overflow Weir 1m 8
Overflow Weir Length 23.4 m
8. Return SludgeReturn Sludge MLSS 8,000 ppm
MLSS 2,500 ppmReturn Sludge Amount 85.2
Safety Factor 1.5 Lift Water of Pump 127.8 2.13
Return Sludge Vertical PumpPump Capacity 0.18 12 Units
Pump Type JVC- 40-25 Made in TAIWAN (SAN JAI MACHINERY)Power Comsumption 2.0 Hp 0.20 12 Units
1.5 kw 18.0 mHTotal Power Comsumption 24.0 kw*Hr
Return Sludge Air Lift PumpOperation time 24.0 Hr
m2/Units
m3/Unit
m (Dd) Direct Trunk Volum
Ds :m3
m2
m3 m3 (Design Calculation Value)
Ratio of Dd and Ds
Dd :Ds :
m3/m*H
m3/Hr
m3/Hr m3/min
m3/min
m3/min
Dd
DsA
B
a b
Units of Air Lift Pump 6 UnitsLift Water of Air Lift Pump 0.18 Injection of Air Lift Pump 0.6 m (from Bottom)Injection of Air Lift Pump 2.9 m (Hs)Lift Up of Air Lift Pump 2.0 m (H)
Air of Air Lift Pump One Unit 0.75 Total Air of Air Lift Pump 4.52
9. Produced SludgeRow water Quantity 4,500
BOD 533 ppmAiration Tank Volum 2,399
MLSS 2,500 ppmConversion Rate from BOD to Sludge 0.55
0.07Amount of Produced Sludge 899 kg/day
Return Sludge MLSS 8,000 ppmAmount of Excess Sludge 112
10. Blower Capacity of Air Lift PumpAir Lift Pump of Sand Tank 0.93
Air Lift Pump of Flotation Tank 0.12 Air Lift Pump of Return Sludge 4.52
Total Air 5.56
Injection of Air Lift Pump 3.1 m (Hs-Max)Blower Capacity of Air 5.56 1 Unit
Blower Type RSS- 80 6.35 Power Comsumption 7.5 Hp Rotate 1300 r.p.m
11. Electrical Comsumption Total Electrical Comsumption of Equipment (kw)
System System Calculation Methofd of This System mg/L m/day m/day2500 39.0 19.8 SL = -12.67*Ln(MLSS) + 118.923000 32.2 17.5 3500 26.4 15.5 Surface Load
2. Droping Sand TankDiameter of Tremoved Sand 0.05 mmφ
Water Temperature 28.5 ℃ Specific Gravity of Water 0.995 Viscosity of Water 0.838 Centi Poise
Sedimentation Rate of Sand 0.244 cm/sec Gravity of Sand 2.50 Water Area Load 8.8 Safety Factor 1.5
Area of Sand Tank 31.96
Sedimentation Rate of Sand 0.147 m/minSedimentation Factor 3.0
Sedimentation Distance of Sand 0.80 mRetention Time 16.4 min
Sand Tank Volume 51.14 Tank Size
6.00 m (W) * 5.33 m (L) * 1.23 2.47 3.70 Area of Tank 31.96 Volume of Tank Direct Part 39.42 Tank Volume 52.56 Volume of Tank Lower Part 13.14
Grits + Sand AmountGrits + Sand Amount 16.5 Grits + Sand Density 6.0 %Lift Water Quantity 275.0
Operation time 4.0 HrAir Lift Pump 1 Units
Sand Tank Depth 3.7 mInjection of Air Lift Pump 0.6 m (from Bottom)
m3/daym3/Hr
m3/t
m3/day
g/cm3
g/cm3
m3/m2・Hr
m2
m3
m (D1)* m (D2)m2 m3
m3 m3
m3/day
m3/day
Droping Sand Tank
Flotation Tank
D1
D2
D
Lift Water of Air Lift Pump 1.15 Injection of Air Lift Pump 3.1 m (Hs)Lift Up of Air Lift Pump 1.5 m (H)
Air of Air Lift Pump 0.926 1 Units 0.93
3. Floatation TankDiameter of Tremoved Rubber 0.20 mmφ
Water Temperature 28.5 ℃ Specific Gravity of Water 0.995 Viscosity of Water 0.838 Centi Poise
Floatation Rate of Rubber 0.038 cm/sec Gravity of Rubber 0.98 Water Area Load 1.4 Safety Factor 1.5
Area of Floatation Tank ### Floatation Rate of Rubber 0.023 m/min
Floatation Factor for Stream 5.0 Floatation Distance of Rubber 0.60 m
Retention Time 132.4 minFloatation Tank Volume 413.7
Tank SizeTank Size 6.00 m (W) * 34.47 m (L) * 3.70 m (D) = 765.33 3.70
Rubber ParticleRubber Particle Amount 1,800 kg/dayBulk density of Rubber 0.5 Rubber Particle Volume 3.60 Rubber Particle Density 10.0 %
Lift Water Quantity 36.0 Operation time 4.0 HrLift Water Flow 0.150
Air Lift Pump 4 UnitsFloatation Tank Depth 3.70 m
Injection of Air Lift Pump 0.6 m (from Bottom)Lift Water of Air Lift Pump 0.150 Injection of Air Lift Pump 3.1 m (Hs)Lift Up of Air Lift Pump 1.5 m (H)
Air of Air Lift Pump 0.0303 4 Units 0.121
4. Pump PitPump of Pump Pit
Average Water Flow 187.5 Safety Factor 1.5 Units of Pump 2 Units
m3/min
m3/min*Units X m3/min
g/cm3
g/cm3
m3/m2・Hr
m2
m3
m3
g/cm3
m3
m3/day
m3/min
m3/min
m3/min*Units X m3/min
m3/Hr
Lift Water Quantity 2.34
Pump Type JVC- 150-28 Made in TAIWAN (SAN JAI MACHINERY)Power Comsumption 20.0 Hp 3.2 2 Units
15.0 kw 18.0 mHTotal Power Comsumption 30.0 kw*Hr
Pump PitRetention Time 15.0 min
Pit Volume 46.9 Tank Size 2.50 m (W) * 7.50 m (L) * 2.50 m (D) = 46.9
[Blower] [Diffuser Type SD-300] [Diffuser Type SD-150]
m3/min m3/min
m3/min*Unit m3/min*Unit
m3/min*Unit m3/min*Unit
[Diffuser][Diffuser Type SD-300] [Diffuser Type SD-150]
m3/min*Units m3/min*Units
m3/Hr
m3/m2*day m3/m2*Hr
Settling Tank Area 227.4 Retention Time 2.5 Hr Over
Settling Tank Volum 468.8 Tank Size
Settling Tank Size 24.00 m (W) * 9.47 m (L) * 3.50 m (D)Actual Settling Tank Size 24.00 18.00 3.50
Direct Trunk D = 1.75 397.9 Slope Trunk D = 1.75 m (Ds)
Division of Bottom 12 Length 4 Side 3A : 6.00 B : 6.00 a : 0.50 b : 0.50
Slope Trunk Volum 274.8 Area of Tank 227.4 Tank Volum 672.7 > 468.8
0.50.5
Structure of the Settling Tank (Imagination Figure)
Overflow WeirAmount for Overflow Weir 1m 8
Overflow Weir Length 23.4 m
8. Return SludgeReturn Sludge MLSS 8,000 ppm
MLSS 2,500 ppmReturn Sludge Amount 85.2
Safety Factor 1.5 Lift Water of Pump 127.8 2.13
Return Sludge Vertical PumpPump Capacity 0.18 12 Units
Pump Type JVC- 40-25 Made in TAIWAN (SAN JAI MACHINERY)Power Comsumption 2.0 Hp 0.20 12 Units
1.5 kw 18.0 mHTotal Power Comsumption 24.0 kw*Hr
Return Sludge Air Lift PumpOperation time 24.0 Hr
m2/Units
m3/Unit
m (Dd) Direct Trunk Volum
Ds :m3
m2
m3 m3 (Design Calculation Value)
Ratio of Dd and Ds
Dd :Ds :
m3/m*H
m3/Hr
m3/Hr m3/min
m3/min
m3/min
Dd
DsA
B
a b
Units of Air Lift Pump 6 UnitsLift Water of Air Lift Pump 0.18 Injection of Air Lift Pump 0.6 m (from Bottom)Injection of Air Lift Pump 2.9 m (Hs)Lift Up of Air Lift Pump 2.0 m (H)
Air of Air Lift Pump One Unit 0.75 Total Air of Air Lift Pump 4.52
9. Produced SludgeRow water Quantity 4,500
BOD 320 ppmAiration Tank Volum 1,440
MLSS 2,500 ppmConversion Rate from BOD to Sludge 0.55
0.07Amount of Produced Sludge 540 kg/day
Return Sludge MLSS 8,000 ppmAmount of Excess Sludge 68
10. Blower Capacity of Air Lift PumpAir Lift Pump of Sand Tank 0.93
Air Lift Pump of Flotation Tank 0.12 Air Lift Pump of Return Sludge 4.52
Total Air 5.56
Injection of Air Lift Pump 3.1 m (Hs-Max)Blower Capacity of Air 5.56 1 Unit
Blower Type RSS- 80 6.35 Power Comsumption 7.5 Hp Rotate 1300 r.p.m
11. Electrical Comsumption Total Electrical Comsumption of Equipment (kw)
System System Calculation Methofd of This System mg/L m/day m/day2500 39.0 19.8 SL = -12.67*Ln(MLSS) + 118.923000 32.2 17.5 3500 26.4 15.5 Surface Load