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Title:
METHOD FOR DRYING WOOD AND AN APPARATUS FOR THE IMPLEMENTATION THEREOF
Document Type and Number:
WIPO Patent Application WO/2010/098698
Kind Code:
A3
Abstract:
The invention relates to the field of wood processing. The drying method consists of the repeated alternation of the cycles of blowing air heat-carrier over the wood at atmospheric pressure while heating the wood to an average volume temperature of 80-100°C, applying a pulsed rapid vacuum with a working pressure of not more than 50 mm Hg over a time of up to 10 s with free moisture being forced out without the phase transformation of the water into vapour until a constant temperature of the wood is established, and relieving the vacuum to atmospheric pressure by supplying air heat-carrier, the wood being blown over and the vacuum relieved using air heat-carrier with a temperature of 150-300°C at an excess pressure of not more than 0.07 MPa. The apparatus for implementing this method for drying wood includes two drying chambers connected to a cooled receiver by pipes having fast-acting valves, said cooled receiver being connected in series to a second receiver and to a vacuum pump by means of a pipe with a vacuum seal. The first receiver is fitted with spiral guides for streams of vapour-droplet medium along a tangent to the inside diameter of the receiver shell. The drying chambers are connected to a heat-carrier preparation and delivery system.

Inventors:
ABRAMOV YAKOV KUZMICH (RU)
VESELOV VLADIMIR MIHAILOVICH (RU)
ZALEVSKY VIKTOR MIHAILOVICH (RU)
EVDOKIMOV, VLADIMIR DMITRIEVICH (RU)
TAMURKA VITALY GRIGOREVICH (RU)
VOLODIN VENIAMIN SERGEEVICH (RU)
MARCHENKO VLADIMIR IVANOVICH (RU)
TALEEVA ELENA VLADIMIROVNA (RU)
KONDRASHKINA NINA SEMENOVNA (RU)
Application Number:
RU2010/000091
Publication Date:
October 28, 2010
Filing Date:
February 26, 2010
Export Citation:
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Assignee:
ZAKPYTOE AKCIONERNOE OBSCHESTV (RU)
ABRAMOV YAKOV KUZMICH (RU)
VESELOV VLADIMIR MIHAILOVICH (RU)
ZALEVSKY VIKTOR MIHAILOVICH (RU)
VD KIM V VL DIMIR DMITRI VI H (RU)
TAMURKA VITALY GRIGOREVICH (RU)
VOLODIN VENIAMIN SERGEEVICH (RU)
MARCHENKO VLADIMIR IVANOVICH (RU)
TALEEVA ELENA VLADIMIROVNA (RU)
International Classes:
F26B5/04; F26B9/06
Foreign References:
RU48218U12005-09-27
RU58677U12006-11-27
US20020178608A12002-12-05
Other References:
See also references of EP 2402691A4
Attorney, Agent or Firm:
VESELOV, Vladimir Mihailovich (9/1-137Moscow, 1, RU)
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