ANALYZING THE DRYER SECTIONS STEAM AND CONDENSATE SYSTEM

Principles for analyzing dryer-section steam and condensate systems ar e reviewed. The objective of the analysis is to develop a set of flow schematics covering the dryer section's full range of operating pressu res. With the flow schematics in hand, system performance can be evalu ated to identify problem areas. Many problems are related to improperl y sized siphons or lines, improper control settings, or miscalibrated control equipment. The flow schematics are based on theoretical drying models and information gathered in the field. Relevant field measurem ents needed to develop the flow schematics are identified.