November 2002

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HP Water Management: How to store idle boilers

Idled boilers are very susceptible to corrosion. Protecting the integrity of idle equipment is critical to maximizing system reliability and minimizing unplanned repair or replacement c..

Huchler, L. A., MarTech Systems, Inc.

Idled boilers are very susceptible to corrosion. Protecting the integrity of idle equipment is critical to maximizing system reliability and minimizing unplanned repair or replacement costs of failed equipment. Storage guidelines are commonly described as "lay-up" procedures. Operations personnel implement lay-up after cleaning and passivating new boilers or to accommodate reduced steam demand due to seasonal conditions or process changes. Lay-up procedures must prevent dissolved oxygen intrusion and corrosion of waterside surfaces and low pH attack of magnetite film and metal substrate. The two types of lay-up are wet a

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