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® SCHNEIDER-KESSEL BERLINSTEAM BOILER and HOT WATER BOILER
ELECTRICALLY HEATED BOILER - Series HDO-E and HWO-E
G E N E R A L
The SCHNEIDER Steam Generator of type HDO-E and the SCHNEIDER Hot Water Generator type HWO-E are
designed as electrically heated boilers for special installation and operation conditions. Operation and working mode
of HDO-E and HWO-E boilers are in compliance with the operation and working mode of all conventional steam and
hot water generators. However, due to the fact that there are no flue gas passes in the HDO-E and HWO-E boilers,
the dimensions are significantly smaller even though the water content and capacity are the same.
D E S I G N F E AT U R E S
Since the HDO-E and HWO-E are shell boilers, the same technical regulations apply for design and manufacturing as
for the SCHNEIDER Three Pass boiler of series HDO and HWO.
The HDO-E and HWO-E boiler is designed as a horizontal pressure vessel with internal electrical heating packs. The
shell end plates are of torispherical design without any gusset stays or tie rods and hence avoiding the well known
problems with gusset stays and tie rods. Another advantage of the torispherical end plates is that the circumferential
welds can be 100% x-ray checked which is a huge benefit in comparison with regular flat end plates.
One end plate is equipped with sufficient neck flange nozzles to install the electrical heating packs. In addition these
neck flange nozzles are used for inspection and cleaning of the boiler.
A D VA N TA G E S A N D M A I N F E AT U R E S
Lowest possible dimensions in comparison with conventionallyw heated and designed
boilers of same capacity.
Applies ideally to limited spaces due to compact design.
No lines connected for fuel supply and flue gas outlet.
No fuel storage tanks needed.
No environmental pollution or explosion risk
when utilizing liquid or gaseous fuels.
Minimized operation costs / service,
maintenance, repair in comparison with
conventionally heated boilers.
Less leakage possibilities of faulty
welding in comparison with
conventionally heated boilers.
72 hours operation without permanent
supervision because of state-of-the-art
self controlling and redundant
electronic safety systems.
Prefabricated and preinstalled package.
Boiler including electrically installed control box, feed pumps,
auxiliary fittings etc. delivered on site ready for operation.
T E C H N I C A L D ATA
We supply the HDO-E and HWO-E in the capacity range from 200 kW (300 kg/h) up to 2000 kW (3000 kg/h) as a
serial product. Boilers for larger capacities up to 20-30 MW are available upon request and will be custom designed.
The control box comprises all necessary controller and electrical switches to operate the boiler in a modulating mode.
Communication to existing PLC- Sytems can be enabled easily. The control box will be delivered separatly for local
installation and perfect fit into existing space availability.
C O D E S A N D R E G U L AT I O N S
Design and fabrication of HDO-E and HWO-E is in accordance with the German Technical Regulation for Steam Boiler
(TRD) respectively Euro-Norm EN-12953 in connection with the Pressure Vessel Directive DGRL 97/23/EG as stationary
boiler (land-based boiler).
In addition, boilers of series HDO-E and HWO-E can be delivered classified as marine boilers in accordance with
the regular classification standards such as GL – “Germanischer Lloyd”, LR – “Lloyds Register”, DNV – “Det Norske
Veritas” BV – “Bureau Veritas” and NOFO. The fabrication is supervised and monitored by representatives of the
respective authority.
Boiler equipment parts and systems used are certified by the respective classification authorities.
R A N G E O F A P P L I C AT I O N
The HDO-E and HWO-E boilers are used where
conventional boilers cannot be installed because of
limited space, restrictions by regulation, hygienic con-
straints or economic reasons:
in the pharmaceutical industry,
in hospitals,
in the ship building and off shore industry,
as emergency or stand by units for conventional
boilers in any industry.
buffering overcapicities of electrical energy into
district heating networks.
high pressure steam applications with a steam
demand for low capcities (< 500kg/h) pressure
levels up to 150 bar.
SCHNEIDER Engineering GmbH Berlin, Germany Tel.: +49 (0)30 75 44 93 99 - 0Fax: +49 (0)30 75 44 93 99 - [email protected]
SCHNEIDER-KESSEL (ASIA) LtD.Bangkok, ThailandTel.: +66 (0)2 3660 - 573Fax: +66 (0)2 3660 - [email protected]
We del iver worldwide
www.schneider-kessel.com
04/2013
Range of Deliveries and Services
Steam and Hot Waters Generators
water tube boilers
three pass boilers
waste heat recovery boilers
electrically heated steam and hot water generators
Engineering
Installation and Commissioning
After Sales Service
Repair
Spare Parts