Apr 17, 2017 · Our dynamic heat exchangers help recover energy lost during the drying process of conventional kilns and offer a solution to owners who may be exhausting their boilers capacity. This simple system promotes increased production and efficiency while providing an alternative to the expense of installing an additional boiler.
After loading the wood, the drying process can be started. Laterally mounted fans press the air through hot water heater or el. heater and distribute the air equally over the complete kiln length. Due to air exchange by exhaust fan and air inlet flaps the drying climate can be exactly controlled. A counter-flow heat exchanger can be also used.
Firewood dryer Kiln heatWe have kilns being heated up to over 200 F for faster drying which happens very quickly with 4000 CFM of heat blowing into the kiln. For all kiln drying schedules, a heater should be used to sterilize the lumber and kill any insects that may be present. For a kiln temperature of
Oct 05, 2018 · Hot water air heaters, coupled with a fan assemblies and ducting as required are ideal for drying grain, wood-pellets and wood-chips in kiln, drying floors or container configurations. With fewer constraints than with steam or thermal oil air heater designs, CuAl plate fin as well as carbon steel or stainless steel can be used as the construction material reducing cost.
OPTIMIZING THE USE OF STEAM IN DRY KILNSof hot water at 338F and the water must be removed from the kiln coil to keep from flooding the coils. If the condensate is left in the coil and additional heat is removed the water temperature will drop. The reason that we use steam in a dry kiln instead of hot water or hot oil is that the steam gives up all of its useful heat at constant temperature. In this example the hot water exits the kiln coil at 338F and it is
how heat is lost while drying lumber vented air is hot heat is lost through venting ambient air entering the kiln chills the air depending on location of vents, the building can be chilled thus causing condensation to take place vapor that is chilled to water must be reheated again to vapor
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