HEAT-RECOVERY ON A PAPER-MACHINE HOOD

In today's hard economic times, efficiency and production costs have b ecome catch words. Heat recovery has long been established in our cold northern climate and is usually justified by a short payback period. This article compares the advantages and disadvantages of nine differe nt heat recovery arrangements and discusses why a certain arrangement might be best suited for a particular application. Payback is not alwa ys the best way to justify a heat recovery system and the advantages o f long-term cost reductions should always be considered as well as ini tial short-term payback.