Water Ejector Design [PDF]

Zitiervorschau

Ejector discharge flow rate Ratio of ejector Motive fluid inlet flow rate Suction flow rate Diameter of the inlet Velocity of motive side Inlet pressure of the nozzle Inlet pressure of the nozzle

15 (1:1) 7.5 7.5 40 1.66 2.11 3.14

cu.m/hr

1.66 0.96 7.2 12 17.68 15.80 1.577

m/sec

0 1.033 5.44 0.54 10.3 16.02 50 1.06

Kg/sq.cm Kg/sq.cm abs m of water abs Kg/sq.cm abs m/sec mm mm m/sec

50 33 2.1 4.87 12.87 0.80 0.70 0.33 30% 0.23

mm mm m/sec m/sec m of H2O abs kg/sq.cm abs kg/sq.cm abs Kg/sq.cm g

cu.m/hr cu.m/hr mm m/sec Kg/sq.cm g Kg/sq.cm abs

Motive fluid nozzle design Inlet velocity of the nozzle Coefficient of discharge Actual discharge Throat area of nozzle Velocity at outlet Differential head in nozzle Throat pressure Pt

cu.m/hr mm m/sec m of H20 Kg/sq.cm abs

Suction chamber Here gauge pressure In salt tank pressure Suction lift of water Suction pressure Velocity for suction lift Inlet pipe size of suction(Actual) Provided diameter velocity at present Diffuser portion Discharge pipe size D.throat diameter velocity at discharge Vd Velocity at D.throat Differential head at throat Pressure at Throat pressure at exit of the diffuser pressure at exit of the diffuser Loss due to friction pressure at exit of the diffuser

Kg/sq.cm g

Kg/sq.cm g Kg/sq.cm abs

Vs 17.606

m/sec

Kg/sq.cm abs

Vw 5.42 Kg/sq.cm abs m of water abs Kg/sq.cm abs

m of H2O abs kg/sq.cm abs kg/sq.cm abs Kg/sq.cm g Kg/sq.cm g

Vm 4.87

Mw 1.24

Kg/Kg of H2O