During the early development of boilers water treatment was not so much of an issue as temperatures and pressures were so low that high amounts of scale and rust would not form to such a significant extent especially if the boiler was blown down.
Boiler feed water system diagrams.
The main components of the boiler system include the feedwater heaters deaerators feed pumps economizers superheaters condenser and condensate pumps.
While in a high pressurized system no part of the system is open to the atmosphere.
The main difference between an open feed system and a closed feed system is that in a closed feed system none of the parts of the system are exposed to the environment as you will later see in the feed water system diagram closed feed system is generally used in a high pressurized system such as a high pressure water tube boiler supplying steam to the main propulsion steam turbine.
The feed system consists of four main parts.
Boiler wikipedia a boiler is a closed vessel in which water or other fluid is heated.
History of feedwater treatment.
The discussion in this section applies primarily to new systems and new boiler installations.
The steam generating facility the steam generating facility located in the boiler room consists of boilers feedwater systems heat exchangers e g economizers boiler and system.
This cyclic process facilitates the exhausted steam to return to the boiler in the form of feed water.
A feed system is nothing but a cyclic process that takes place between the turbine and the boiler.
It was general practice to install zinc plates and or alkaline chemicals to reduce corrosion within the boiler.