FIELD: woodworking industry.
SUBSTANCE: drying method of sawn timber in convective drying chambers provides for the maintenance of specified parameters of a circulating drying agent. For that purpose, the floor temperature of the drying chambers is equalised to the temperature of side and ceiling structures of the drying chambers by using some part of hot water wasted in heating units of the drying chambers. And a floor heating device is made in the form of a coil of a metal-reinforced plastic pipe and installed under the floor of the drying chambers at the distance of 15-20 cm from the floor surface. The coil of the metal-reinforced plastic pipe is made of at least two loops and a bypass loop along the perimeter of the drying chamber floor with a possibility of maintaining the sufficient temperature of heating water from heating devices, thus considering the length of each loop.
EFFECT: invention shall provide for the improvement of sawn timber drying conditions.
3 cl, 1 dwg, 1 tbl
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Authors
Dates
2015-06-27—Published
2013-11-26—Filed