MAN B&W S65ME-C8.2-GI-TII User Manual

MAN B&W 4.05
Page 6 of 9
MAN Diesel
MAN B&W 98-60 engines
198 57 97-7.5
Condenser
Feedwater
pump
Condensater
pump
LP steam drum
HP steam
drum
HP circ. p.
LP circ. pump
LP evaporator
LP superheater
HP evaporator
HP superheater
Exhaust gas
ST & PT unit
LP
HP
Exh. gas boiler
sections:
LP
HP
Jacket
water
Piping
Electrical wiring
Exhaust gas receiver
Main engine
Scavenge
air cooler
TC TC
PTO/
PTI
Vacuum deaerator tank
HPsteam
for heating
services
Hot well
tank
Buffer
tank
Power
turbine
Steam
turbine
Frequency converter
Main
switchboard
GenSet
GenSet
~/~
OO
Fig. 4.05.05: Full WHRS with both steam and power turbines
178 63 84-2.0
Because the installation of the power turbine also
will result in an increase of the exhaust gas tem-
perature after the turbochargers, it is possible to
install both the power turbine, the larger boiler and
steam turbine on the same engine. This way, the
energy from the exhaust gas is utilised in the best
way possible by today’s components.
When looking at the system with both power and
steam turbine, quite often the power turbine and
the steam turbine are connected to the same
generator. In some cases, it is also possible to
have each turbine on a separate generator. This
is, however, mostly seen on stationary engines,
where the frequency control is simpler because of
the large grid to which the generator is coupled.
For marine installations the power turbine is, in
most cases, connected to the steam turbine via a
gearbox, and the steam turbine is then connected
to the generator. It is also possible to have a gen-
erator with connections in both ends, and then
connect the power turbine in one end and the
steam turbine in the other. In both cases control of
one generator only is needed.
For dimensions of a typical full WHRS see
Fig. 4.05.06.
As mentioned, the systems with steam turbines
require a larger boiler to be installed. The size of
the boiler system will be considerably bigger than
the size of an ordinary boiler system, and the ac-
tual boiler size has to be calculated from case to
case. Casing space for the exhaust boiler must be
reserved in the initial planning of the ship’s ma-
chinery spaces.
Full WHRS Steam and Power Turbines Combined

MAN B&W S65ME-C8.2-GI-TII Specifications

General

Brand	MAN B&W
Model	S65ME-C8.2-GI-TII
Category	Engine
Language	English