Correct treatment of boiler feedwater is one of the most important issues in operating any boiler, whether steam generator or wet back boiler.
The feedwater is usually a combination of a mixture of fresh water and recovered condensed water—or condensate return —which is then dosed with correct chemical additives prior to re-introduction to the boiler.
Correct treatment of boiler feedwater is one of the most important issues in operating any boiler, whether steam generator or wet back boiler.
When steam is released from a boiler, the minerals and gases contained in the heated water become concentrated and form deposits that become hazardous to the boiler and its ancillaries including flue gas economisers if not controlled accordingly.
These deposits result in poor heat transfer, reduced efficiency, scale, and biological fouling. Scale that collects and forms inside the boiler has lower ability to transfer heat than steel and will raise the metal tube temperatures which cannot overheating failures.
As the gases dissolve, oxygen, carbon dioxide, and ammonia will react with the metals in the boiler system and lead to corrosion which in turn can incur significant costs from both reduced efficiency and repairs including acid descale or boiler re-tube.
To protect your boiler from these harmful contaminants, it is vital that the correct mixture of chemicals, water analysis and blowdown procedures are correctly followed at all times. Contact us for more information on these procedures and requirements.
For more information on how we can help improve your steam boiler efficiency please get in touch via email or telephone (01623) 741940.
There are a number of relevant reviews any organisation could undertake to appraise whether more could be done to ultimately save energy and reduce cost. [more]
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