Page 25 - Bosch Hot Water Boilers

Hot water boilers | 25

Benefits at a glance

 Improved efficiency and environmental friendliness through the use of waste heat sources
 High supply reliability thanks own firing
 Matched, modular system for easy planning and fast installation
 Complete system including CHP unit on request
 Intuitive boiler control based on PLC with very high transparency of operating data
 Simple commissioning due to pre-parameterised boiler control
 Easy wiring on-site thanks to plug-in connections
 Robust, reliable and durable
 Reduced component diversity with regard to spare parts inventory
 Service from a single source

These hot water boilers are conventionally-fired boilers Additional peak load boilers are normally required if
based on a 3-pass design, with an additional integrated waste heat boilers without burner are used. It is often
smoke tube pass for waste heat utilisation. They are superfluous due to the self-firing functionality. Further-
primarily used in combination with CHP units or gas more, the need of heat exchangers in the flue gas
turbines. The 4th pass uses hot flue gases from system of the CHP is reduced. This allows huge
upstream combustion processes to support the genera- amounts of money, space and equipment to be saved.
tion of thermal heat.

Design Equipment

The design of our waste heat boilers with burner corre- The equipment options are identical to that available
sponds to the basic design of the UT-H series. The boil- for the UNIMAT hot water boiler UT-H series.
ers are fitted with an additional integrated smoke tube
pass (4th pass) for waste heat utilisation.

Water/Condensate
Power
Flue gas

1 4-pass hot water boiler
2 Economizer
3 Heat exchanger
4 CHP
5 Consumer
6 Chimney

Extremely simplified diagram