Exhaust gas economiser
UNEX™ P
The UNEX™ P multi-function
exhaust gas economiser is a
water tube, forced circulation
boiler for steam or hot-water
applications.
Steam generating capacity:
0.5-5.0 t/h.
Hot-water capacity:
400-2,800 kW.
Standard design pressure:
10-24 bar (g).
UNEX™ P
Exhaust gas economiser
Sketch of typical UNEX™ P economiser.
Each boiler is tailor-made to suit the engine data.
Description
Vertical and straight exhaust gas
■ Built-in sound absorber
UNEX™ P multi-function exhaust
passages between the tube rows –
■ Built-in spark arrester
gas economiser is a water tube,
together with plain tube construc-
forced circulation boiler for heat
tion – decrease soot build-up on
recovery from diesel engine ex-
heating surfaces. This construction
haust gas.
runs without problems even in the
The heat transfer surface consists of
tions. The economiser is equipped
vertical, concentric, parallel steel
with a stationary water washing
tube coils connected to inlet and
and steam soot cleaning system.
plete with connections, exhaust
gas cones with counterflanges,
lifting and fastening lugs and
insulation with sheeting.
■ Valves and fittings for the boiler
including manual steam soot-
outlet manifold pipes.
blowers and fixed water washing
Features
The rounded shape of the gas-tight
■ Compact system with plain tubes
steel shell surrounding the tube
■ Easy and quick to install
coils is ideal to withstand exhaust
■ User-friendly operation with inte-
gas pulsations from the engine.
■ The economiser is supplied com-
device.
■ Bolted hatches for maintenance
and easy-access inspection doors.
■ Spare parts according to class.
grated, continuous and fully
automatic capacity control system
Accessories (Optional)
Sound absorber and by-pass duct
■ Built-in water trap
■ Silencer can be integrated
are located inside the tube coils.
■ Built-in water washing device
■ Dumping condenser
The sound absorption effect with
and steam soot blowers as
basic construction is approx. 20 dB(A).
standard equipment
Product centre: Aalborg Industries Oy, P O Box 9, Kaivopuistontie 33, FIN-26101 Rauma, Finland.
Tel.: +358 2 838 3100, Fax: +358 2 823 1133, e-mail:rau@aalborg-industries.fi, website: www.aalborg-industries.com
■ Continuous automatic capacity
control
DATA SHEET series © Aalborg Industries 2001, August 2001 (Design data are subject to change without prior notice).
most demanding operating condi-
Scope of supply