Mondi Dynäs, Sweden

The customer had problems with fouling on the primary and secondary superheaters. Steam temperature was dropping about 25 degrees Celsius in a span of two and a half months. The client saw a need for sootblowing more but also saving sootblowing steam.

The bark boiler at the mill supports the production of steam in the facility and also uses oil as fuel during certain parts of the year when steam production is too low.

Mondi Dynäs exercises batch cooking, which increases the need for steam production. With the steam saved by the High Impact Sootblowing System (HISS™), the need for that support can be significantly reduced.