Dri-steem Corporation

Robert Russell Nelson

James Michael Lundgreen

Michael E Dovich

A steam dispersion apparatus includes a steam chamber communicating in an open-loop arrangement with a first steam source for supplying steam to the steam chamber. The steam chamber includes a steam dispersion location at which steam exits therefrom at generally atmospheric pressure. A heat exchanger communicates in a closed-loop arrangement with a second steam source for supplying steam to the heat exchanger at a pressure generally higher than atmospheric pressure. The heat exchanger is located at a location that is not directly exposed to the air to be humidified, the heat exchanger being in fluid communication with the steam chamber so as to contact condensate from the steam chamber. The heat exchanger converts condensate formed by the steam chamber back to steam when the condensate contacts the heat exchanger.

Heat exchanger for removal of condensate from a steam dispersion system

A steam dispersion system is disclosed. The steam dispersion system includes a header, a divider dividing the header into at least two interior chambers that are generally not in fluid communication with each other, and at least two steam dispersion tubes, each steam dispersion tube communicating with only one interior chamber. Each interior chamber includes a separate steam flow valve for independently controlling the amount of steam flow to each chamber based on the difference between a measured humidity value and a predetermined desired humidity value.

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Apple Valley, MN, United States of America

Robert Russell Nelson