SJAE eng
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Transcript of SJAE eng
Design data of steam air ejector
Design data of steam air ejector
Number : One (1) per unit
Type : twin element two stage ejector with combined surface inter & after cooler
Suction pressure : 735 mmHg Vac
Suction temperature : 22 C
Capacity
Dry air : 25.5 kg/h
Vapor : 59.5 kg/h
Total mixture :85 kg/h
Actuating steam (one element)
Operating pressure : 14 kg/cm2 g
Operating temperature : 296 C
Consumption : 340 kg/h
Cooling water
Quality : condensate
Quantity : 34000 kg/h (minimum flow)
Pressure drop : 0.5 mAq
Surface area
Inter cooler : 21 m2
After cooler : 8.7 m2
Total : 29.7 m2
Design pressure
Tube side : 29 kg/cm2 g
Shell side :atmosphere
Design temperature
Tube side : 65 C
Shell side : 100 C
Hydrostatic test pressure
Tube side : 43.5 kg/cm2 g
Shell side : 2 kg/cm2 g
Operation of steam jet air ejector
Start up : at the time