Page 12 - Bosch Boiler House Component

12 | Boiler house components

Expansion, heat recovery and blow-down Vapour cooler VC
module EHB
In thermal full deaeration systems, exhaust vapour
The module comprises the combination of the expan- accumulates inherently. Without a vapour cooler,
sion and heat recovery module EHM with the blow- exhaust vapour would be dissipated into the open air.
down, expansion and cooling module BEM. Its pur- In the vapour cooler, however, the exhaust vapour
pose is therefore the recovery of the energy condenses by means of a heat exchanger. The accumu-
contained within the hot water (desalting water/ lated thermal energy generated during the cooling of
condensate) and the discharge of waste water taking the exhaust vapour is used to heat up the make-up
into account the permitted discharge temperature. water.

Construction Construction
The module consists of an expansion tank as well as a Plate-type heat exchanger with threaded connections,
waste water and cooling tank. A heat exchanger with wetted parts are made of stainless steel.
associated fittings is integrated for heat recovery.
Equipment level
Equipment level The module comprises a heat exchanger with associa-
Two cylinders one above the other sealed with plates ted fittings.
at both ends, a collecting station, all necessary fit-
tings, the internal piping and thermal insulation are Benefits at a glance:
included in the scope of delivery and are offered ex  Heat recovery and thus efficiency
works fully assembled. improvement
 Useable energy for additional heating or for transfer
Benefits at a glance: to separate water circuit
 Quick and easy assembly, ready for immediate
operation with few connections
 Exact compliance with official guidelines thanks to
automatic operating mode
 Increase in efficiency of the system
 Reduced fuel, cooling water and waste water costs