Objects & advantages of condenser
Lay out of steam condensing plant
Types of condenser
Explanation about shell & tube condenser
Selection of material
Properties of material
A steam Condenser is a closed vessel into which
the steam is exhausted, and condensed after
doing work in an engine cylinder or turbine.”
Steam condenser is a device in which the exhaust
steam from the steam turbine is condensed by
means of cooling tower.
The primary object is to maintain a low pressure
so as to obtain the maximum possible energy from
steam and thus securing a high efficiency.
The secondary object is to supply pure feed water
to the hot well.
It reduces temperature of the exhaust steam,
and thus more work can be obtained.
Reuse of condensate as feed water for boiler
reduces the cost of power generation.
The temperature of the condensate is higher
than that of fresh water therefore the amount of
heat supplied per kg of steam is reduced.
Jet condensers or Mixing type condenser
Surface Condensers or Non-mixing type
Parallel flow jet condenser,
Counter flow or Low level jet condenser,
Barometric or High level jet condenser,
Among all those types we have decided to make
design, fabrication & assembly of shell & tube type
The coolant water passes through a system of
condenser tubes. They are positioned in the main
Steam is admitted to the top of the condenser & is
removed as condensate from the bottom having
condensed at the surface of the water tubes.
Cooling water flows in a bottom & out at the top of
Inlet & exit in this case both at the same end of the
condenser & hence water makes two passes
through a condenser.
For fabricating & assembly of condenser we have
basically selected two types of material. Copper
Excellent Resistance to corrosion
Non magnetic properties
Moderate to high hardness and strength
High thermal and electrical conductivity
Can be easily polished
Very good machinability
Ease of forming alloys with other elements like
Zn ,Sn, Al, Pb, Si, Ni etc.
It is weldable.
It is durable.
It is hard.
Poor resistance to corrosion