Page 359 - Fundamentals of Water Treatment Unit Processes : Physical, Chemical, and Biological

314 Fundamentals of Water Treatment Unit Processes: Physical, Chemical, and Biological

18,341 40,310 67,217 86,364 45,107 75,780 93,823
R 105,108 120,929 142,294 151,162 146,526 161,239 193,487 208,603 201,549 223,719 223,719 119,083

R Power No. 30.2 9.5 5.9 5.2 5 4.7 4 4.1 4 4.4 3.8 4 4.1 3.7 3.8 2.4 4.3 4.1 4
and

P,
G,
Expended, G (s 1 ) 18 32 55 75 98 118 139 154 145 176 215 246 238 262 268 27 78 105 149

Power mm) Viscosity (N ? s=m 2 ) 0.000958 0.000958 0.000958 0.000958 0.000958 0.000958 0.000958 0.000958 0.000958 0.000958 0.000958 0.000958 0.000958 0.000958 0.000958 0.001338 0.001338 0.001338 0.001338

Torque, Blades 6 152 ¼ 216 ¼ 305 ¼ 368 ¼ 381 ¼ in (Meas.

of r 1 r 2 r 3 r 4 r o
Calculations 820 ¼ 1070 ¼ 914 ¼ 130 ¼ Wheel 762 ¼ 940 ¼ 25.4 ¼ Temp. (8C) 22 22 22 22 22 22 22 22 22 22 22 22 22 22 22 10 10 10 10 108C.

Associated Compartment 4 L(comp) W(comp) d(water) B(baffles) Paddle 5 D(paddle) H(blades) w(blades) Data Variable Power (watts) 0.22 0.72 2.09 3.86 6.68 9.68 13.4 16.37 14.49 21.26 31.89 41.75 38.92 47.41 49.52 0.68 5.88 10.61 21.3 i.e., water,

and 7 incoming the
Settings Coefficients Slope 0.01256 0.00926 Torque (N ? m) 1.13 1.72 2.99 4.31 6.12 7.7 9.06 10.42 9.52 12.69 15.86 19.26 18.58 20.39 21.3 1.04 5.35 7.8 12.33 (1) Data for 12=21=94 were from system without flowing water and so the water temperature had equilibrated with the surroundings, i.e., to 228C. (2) Data for 12=28=94 as same

Controller Plant Formula Intercept 0.00179 0.00153 m 3 min the was

Motor Pilot gpm) Viscosity 20 50 T Volume 3 0.719 ¼ 9.50 ¼ Force Gage (kgf) 0.25 0.38 0.66 0.95 1.35 1.7 2 2.3 2.1 2.8 3.5 4.25 4.1 4.5 4.7 0.23 1.18 1.72 2.72 temperature water

Different (20 2 Limits T 0 < 20 V(comp) u(comp) RPM Meas. (rpm) 1.82 4 6.67 8.57 10.43 12 14.12 15 14.54 16 19.2 20.7 20 22.2 22.2 6.25 10.5 13 16.5 the so and

for L=min water
Data 76 a of hp 1.0 2 3 4 5 flowing

Paddle-Wheel Compartment mgd m 3 =s kg=m 3 #xxxxx, Controller Setting 10 18 20 25 30 35 40 45 45 50 55 65 70 85 100 with system

CD11.7 Basin Data Fixed 0.0288 ¼ gpm 20 ¼ 0.0013 ¼ 1.8 ¼ 998 ¼ 0.24 ¼ m 0.46 ¼ Scientific Pacific from were

TABLE Floc First for 1 Q C d r w k Arm Lev Motor Date 12=21=1994 11=28=1995 Notes: