Page 13 - Bosch Boiler House Component

Boiler house components | 13

Pump module PM Feed water regulation module RM

The module is used for pumping the feed water from If no speed-controlled feed pump is available, continu-
the feed water tank into the shell boiler or for pumping ous regulation with the feed water regulation module
the condensate from the condensate tank into the RM is recommended as an alternative for all boilers
deaeration plant. The pump module can optionally fitted with modulating burners and flue gas heat
have a motor with a frequency converter for infinitely exchangers. The module ensures longer flow-through
variable, demand-related water quantity control. times of the flue gas heat exchanger and thus optimum
heat recovery from the boiler flue gases. At the same
Construction time, the minimum quantity required for the feed
The supplied pumps are vertical multi-stage high-pres- pump cooling is ensured via the feed water regulation
sure centrifugal pumps with a fully enclosed, fan-cooled module.
motor. They are designed especially for use in shell
boilers. The prefabricated module is used at a suitable loca-
tion in the feed water pressure line. It is switched as
Equipment level supply flow control.
The pump module is delivered fully assembled ex
works on a console with pressure indicator, shut-off, Equipment level
filter and non-return valves. The feed water regulation module for infinitely variable
control consists of a feed water control valve, discharge
Benefits at a glance: device, dirt trap device and two shut-off valves as well
 Pre-assembled for quick installation as a bypass device.
 Speed-controlled version for increasing the
efficiency of the flue gas heat exchanger Benefits at a glance:
 Reduction in power consumption and increase in  Increase in efficiency of the flue gas heat exchanger
operating convenience  Reduction of the pump switches
 Constant boiler water level
 Reliable minimum flow rate for cooling the
feed pump