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RU2002119673A - Method for drying lumber with microwave energy - Google Patents

Method for drying lumber with microwave energy

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Publication number
RU2002119673A
RU2002119673A RU2002119673/06A RU2002119673A RU2002119673A RU 2002119673 A RU2002119673 A RU 2002119673A RU 2002119673/06 A RU2002119673/06 A RU 2002119673/06A RU 2002119673 A RU2002119673 A RU 2002119673A RU 2002119673 A RU2002119673 A RU 2002119673A
Authority
RU
Russia
Prior art keywords
wood
given
lumber
dried
water filtration
Prior art date
Application number
RU2002119673/06A
Other languages
Russian (ru)
Other versions
RU2228497C2 (en
Inventor
Фаузат Хамитович Гареев
Original Assignee
Фаузат Хамитович Гареев
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Фаузат Хамитович Гареев filed Critical Фаузат Хамитович Гареев
Priority to RU2002119673/06A priority Critical patent/RU2228497C2/en
Publication of RU2002119673A publication Critical patent/RU2002119673A/en
Application granted granted Critical
Publication of RU2228497C2 publication Critical patent/RU2228497C2/en

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  • Drying Of Solid Materials (AREA)

Claims (2)

1. Способ сушки древесины, заключающийся в локальном подводе источников СВЧ-излучения к высушиваемому пиломатериалу с последующим их перемещением, отличающийся тем, что источники СВЧ-излучения подводят к высушиваемому пиломатериалу или штабелю пиломатериалов со стороны их противолежащих торцев и перемещают вдоль высушиваемого материала от торцев к средней их части по длине при скорости, определяемой соотношением1. The method of drying wood, which consists in the local supply of microwave radiation sources to the dried lumber with their subsequent movement, characterized in that the microwave radiation sources are fed to the dried lumber or a stack of lumber from their opposite ends and move along the dried material from the ends to their middle part in length at a speed determined by the ratio
Figure 00000001
Figure 00000001
 где Vф.д - скорость фильтрации воды допустимая для заданной породы древесины, см/с;where V fd is the water filtration rate permissible for a given wood species, cm / s; Wн - заданная начальная влажность древесины, %;W n - a given initial moisture content of wood,%; Wк - заданная конечная влажность древесины, %;W to - a given final moisture content of wood,%; ρб - заданная базисная плотность древесины, г/см3;ρ b - a given basic density of wood, g / cm 3 ; v - удельный объем пара, см3/г,v is the specific volume of steam, cm 3 / g, при этом скорость фильтрации воды для заданной породы древесины определяют из соотношенияthe rate of water filtration for a given wood species is determined from the ratio
Figure 00000002
Figure 00000003
Figure 00000002
Figure 00000003
 где, Vmax. лам - максимальная скорость фильтрации воды в заданной породе древесины при ламинарном течении, см/с;where, V max. lam - the maximum rate of water filtration in a given wood species with a laminar flow, cm / s; k - коэффициент проницаемости древесины, см2;k is the permeability coefficient of wood, cm 2 ; Р - давление насыщенного водяного пара при заданной максимальной температуре сушки, Па;P is the pressure of saturated water vapor at a given maximum drying temperature, Pa; μ - динамическая вязкость пара, Па·с;μ is the dynamic viscosity of the vapor, Pa · s; l - расстояние от торца пиломатериала до излучателя, см.l is the distance from the end of the lumber to the emitter, see 2. Способ по п.1, отличающийся тем, что скорость перемещения СВЧ-излучателей вдоль высушиваемых пиломатериалов регулируют.2. The method according to claim 1, characterized in that the speed of movement of the microwave emitters along the dried lumber is regulated.
RU2002119673/06A 2002-07-24 2002-07-24 Method for drying of lumbers by microwave radiation RU2228497C2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU2002119673/06A RU2228497C2 (en) 2002-07-24 2002-07-24 Method for drying of lumbers by microwave radiation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU2002119673/06A RU2228497C2 (en) 2002-07-24 2002-07-24 Method for drying of lumbers by microwave radiation

Publications (2)

Publication Number Publication Date
RU2002119673A true RU2002119673A (en) 2004-01-27
RU2228497C2 RU2228497C2 (en) 2004-05-10

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Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2330224C2 (en) * 2006-04-10 2008-07-27 Александр Львович Белоус Method of timber drying
RU2319088C1 (en) * 2006-09-14 2008-03-10 Государственное образовательное учреждение высшего профессионального образования "Южно-Уральский государственный университет", ЮУрГУ Method for wood drying and installation for its realization
RU2366875C1 (en) * 2008-03-11 2009-09-10 Государственное образовательное учреждение высшего профессионального образования "Тихоокеанский государственный университет" Wood drying method

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE502580C2 (en) * 1994-03-02 1995-11-13 Leif Goesta Zettergren Process and apparatus for mold remediation and drying of damp building parts
RU2079074C1 (en) * 1994-05-26 1997-05-10 Институт проблем технологии микроэлектроники и особочистых материалов РАН Method of materials drying
RU2105943C1 (en) * 1995-10-03 1998-02-27 Валерий Николаевич Громыко Batch-operated combined drying plant for lumber
RU2113667C1 (en) * 1996-11-19 1998-06-20 Георгий Галиуллович Валеев Microwave lumber-drying process

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Publication number Publication date
RU2228497C2 (en) 2004-05-10

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Legal Events

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MM4A The patent is invalid due to non-payment of fees

Effective date: 20070725