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