Filter Sizing

FILTER DESIGN 1.0 2.0 3.0 4.0 5.0 6.0 7.0

Plant Capacity Filter Feed Pump Multimedia Filtation rate Multimedia Filter Size Carbon Filteration rate Carbon Filter size Backwash Pump Raw water Tank Capacity Air Blower

Calculated 25.00 25.00 1152 1152 28.26

Multimedia filter size Activated carbon filter size PLANT CAPACITY Filter feed Pump selection FILTRATION RATE for Sand Filter Calculated Size of Sand Filter Enter available size Selected Filter Size

Sand Media Calculations Size (16-8) mm. Gravel. Size (8-4) mm. Gravel. Size (4-2) mm. Gravel. Size (2-1.18) mm. Sand. Size (1.18-0.7) mm. Sand. Size (0.7-0.4) mm. Sand. Size (1.0-2.0) mm. Anthracite FILTRATION RATE for ACF

UNIT 600 12.50 12 1200 12 1200 28 97.48 45.22

48" 48" m3/d

600

m3/hr @ 3.5 bar

25.00

m3/m2/hr

12

mm

1152 1200.00 48"

m3/d m3/hr @ 3.0 bar m3/m2/hr mm m3/m2/hr mm m3/hr @ 2.0 bar m3 m3/hr @ 0.35 bar

inch inch

Area 3.14*R2 Available Size of FRP mm Filters in

0.2 0.1 0.1 0.1 0.1 0.3 0.2

362 181 181 181 187 560 181 12 1152 1200.00 48"

kg kg kg kg kg kg kg

0.2 0.2 0.7

362 373 396

kg kg kg

m2 m3/m2/hr

1.130 25 28.26

M3/HR @ 2 BAR

28

m3 m3/hr

97.480147059 87.73

Calculated Size of ACF Enter available size Selected Filter Size Media Calculations for ACF Size (8-16) mm. Gravel. Size (5-3) mm. Gravel. Size (1.2-0.6) mm. Activated Carbon Filter Surface Area Back wash rate Backwash pump capacity Actual Pump Selected

Air Blower Selection Raw water Tank capacity Air Blower Capacity Select Blower with

2 11.06

250

10"

330 350 400 400 450 450 500 600 750 900 1000 1200 1500

13" 14" 16" 16" 18" 18" 20" 24" 30" 36" 40" 48" 60"

1800

72"

Sand & Gravel Anthracite

33.01 7.23

Carbon

14.70 15.83

Considered Size (DN)

Actual Velocity in pipe

Sand & Gravel

m3/hr @ 0.35 bar

45.22

Flow by

Flow (m3/hr)

Velocity (m/sec)

Calculated Size (mm)

Filter Feed pump SUCTION Filter Feed pump DISCHARGE BACKWASH PUMP SUCTION BACKWASH PUMP DISCHARGE Filter service Filter backwash

Gravity Pump Gravity Pump Pump Pump

25.00 25.00 28 28 12.50 28

1.2 2.2 1.2 2.3 2.3 2.4

85.9 63.4 90.9 65.6 43.9 64.3

80.0 50.0 80.0 65.0 40.0 50.0

1.0 1.0 1.0 1.0 1.0 1.0

100 65 100 80 50 65

0.9 2.1 0.99 1.55 1.77 2.35

FLUSHING PUMP - SUCTION FLUSHING PUMP - DISCHARGE RAW SEWAGE PUMP DISCHARGE

Pump Pump Pump

31 31 25.00

1.3 2.4 2

91.9 67.6 66.5

80.0 65.0 65.0

1.0 1.0 1.0

100 80 80

1.1 1.7 1.4

Line No

50kg bags 25kg bags

50kg bags 25kg bags

MOC

PVC Class -5 PVC Class -5 PVC Class -5 PVC Class -5 PVC Class -5 PVC Class -5 Carbon Steel Carbon Steel PVC Class -5