Steam Jet Ejectors

The system is the assembly of two units whose construction is similar to single stage with
inter condenser (direct contact type or surface type).
Steam of the first stage is expanded through nozzle entrains the air or other gases and
discharges them to diffusers at a higher pressure in the condenser. The discharge from
the first stage will then directed to condenser which reduces volume of discharge gases.
These gases turn discharged with the help of second stage ejector. The ejector is required
to be placed at sufficient height to drain the ejector condenser barometrically. If
barometric installation is not possible then an extraction pump is provided to drain the
condenser in vacuum. The discharge of exhaust steam and entrained gases is directed to
the atmosphere or can be condensed by an after condenser or lead to a water tank if
required.