EP1027567B1 - Procede de sechage des bois de sciage et dispositif permettant la mise en oeuvre du procede - Google Patents

Procede de sechage des bois de sciage et dispositif permettant la mise en oeuvre du procede Download PDF

Info

Publication number
EP1027567B1
EP1027567B1 EP98952814A EP98952814A EP1027567B1 EP 1027567 B1 EP1027567 B1 EP 1027567B1 EP 98952814 A EP98952814 A EP 98952814A EP 98952814 A EP98952814 A EP 98952814A EP 1027567 B1 EP1027567 B1 EP 1027567B1
Authority
EP
European Patent Office
Prior art keywords
wood
pressure
chamber
drying method
air
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
EP98952814A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1027567A1 (fr
Inventor
Bernard Dedieu
Abdelaâziz BOUIRDENE
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Valeurs Bois Industrie
Original Assignee
Valeurs Bois Industrie
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 Valeurs Bois Industrie filed Critical Valeurs Bois Industrie
Priority to SI9830270T priority Critical patent/SI1027567T1/xx
Priority to EP02075762A priority patent/EP1248059A1/fr
Publication of EP1027567A1 publication Critical patent/EP1027567A1/fr
Application granted granted Critical
Publication of EP1027567B1 publication Critical patent/EP1027567B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
    • F26B21/06—Controlling, e.g. regulating, parameters of gas supply
    • F26B21/08—Humidity
    • F26B21/086—Humidity by condensing the moisture in the drying medium, which may be recycled, e.g. using a heat pump cycle
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
    • F26B21/06—Controlling, e.g. regulating, parameters of gas supply
    • F26B21/10—Temperature; Pressure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B3/00—Drying solid materials or objects by processes involving the application of heat
    • F26B3/32—Drying solid materials or objects by processes involving the application of heat by development of heat within the materials or objects to be dried, e.g. by fermentation or other microbiological action
    • F26B3/34—Drying solid materials or objects by processes involving the application of heat by development of heat within the materials or objects to be dried, e.g. by fermentation or other microbiological action by using electrical effects
    • F26B3/343—Drying solid materials or objects by processes involving the application of heat by development of heat within the materials or objects to be dried, e.g. by fermentation or other microbiological action by using electrical effects in combination with convection
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B7/00—Drying solid materials or objects by processes using a combination of processes not covered by a single one of groups F26B3/00 and F26B5/00
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B2210/00—Drying processes and machines for solid objects characterised by the specific requirements of the drying good
    • F26B2210/16—Wood, e.g. lumber, timber

Definitions

  • the present invention relates to a method of drying wood from sawing or wooden objects.
  • sawing wood is meant a wood which comes from directly from the first transformation (sawing).
  • L ANTTI teaches to dry wood with microwaves operating in frequencies of 915 or 2450 MHz and a power density in the range of 25 to 78 kW / m 3 to raise the interior temperature of the wood to approximately 140 ° C and achieve an internal vapor pressure 25 KPa wood.
  • the internal pressure thus produced is very high to allow very rapid evacuation of the water.
  • the disadvantage of the process is that it develops fiber breaks.
  • the drying process begins with rapid microwave drying at around 70 ° C, then intermittent microwave exposure during drying, and finally a drying operation by controlling the temperature of the wood below saturation. fibers, limited to a maximum temperature of 110 ° C.
  • the object of the present invention is to propose a method which optimizes the energy and reduces the powers of the microwave while very quickly obtaining a complete drying of the wood, from the green state to a final humidity level of around 10%, or even lower depending on the conditions of implementation.
  • liquid exudates are evacuated in permanently.
  • the exudates are evacuated by intermittently.
  • the evacuation step is followed by a step of gradually decreasing the pressure to the pressure atmospheric after microwave shutdown.
  • the evacuation step comprises a physico-chemical treatment step of the exudates to make them compatible with discharge to the wastewater circuit.
  • the stage of evacuation of exudates liquids is followed by a recovery step in a container with a view to chemical reprocessing.
  • the step of reducing the pressure is supplemented by a dehumidification step of the ambient air of the enclosure by passage of the air flow coming from the enclosure over an absorption device humidity and cooling of the enclosure air.
  • the microwave emission powers applied are decreasing from the center of the pieces of wood towards outside.
  • the saturated water vapor pressure is between 2 bars and 15 bars.
  • the vapor pressure will be less than 10 bars to obtain a humidity level of the treated wood greater than 6%.
  • the vapor pressure will be understood for at least a determined drying time between 10 and 15 bars and the temperature produced will reach a value within a range of 200 to 220 ° C to obtain a naturally polymerized dry wood with a humidity level close to 0%.
  • the power of the microwave generator is calculated so that the internal heat of the wood is greater than the saturated water vapor temperature.
  • Another object of the invention is to propose a device allowing the implementation of the process.
  • the device consists of a waterproof pressure-resistant enclosure communicating through quartz or any other material suitable for microwaves with a guide wave connected by impedance adapters to a microwave generator, said windows being arranged transversely to the stack of wood, the enclosure communicating with a pressurized air recirculation path sucking air from one side of the wood stack through grates and pushing it out the other side of the wood stack by diffusion grids, a device pressurized steam generator connected to the enclosure.
  • the device comprises a circuit steam condenser connected, in parallel on the recirculation circuit air and selectively by valves.
  • the device comprises in its part the lower an outlet for gravity drainage of runoff water controlled by a valve.
  • the entire enclosure and the area of preloading are wrapped in a second enclosure of protection against radiation leaks, this enclosure being accessible from the outside by flexible doors.
  • the microwave generator is buried into the ground and communicates with the drying chamber through a guide wave.
  • the enclosure comprises a valve security.
  • the valve is opened intermittently.
  • the valve is permanently open.
  • the orifice is connected to a device for physico-chemical treatment making the exudates compatible with sewage disposal standards.
  • the processing of a pine essence provides an exudate with insecticidal properties.
  • the device consists of a enclosure (1), preferably cylindrical, of metallic material ensuring on the one hand, both good thermal insulation and watertightness air pressure and secondly, sealing against waves.
  • This enclosure is open at one end by a door (16, Figure 1B) or two.
  • the openings (14) are made in the enclosure to constitute windows made of airtight material but allowing microwave radiation to pass through.
  • These windows (14) under pressure are made of material allowing to emit the waves towards the interior of the enclosure and say emitting windows.
  • the waves are brought by a waveguide (40) to a plurality of windows arranged longitudinally and on each side at intervals regular or not along the stack of wood (3) to obtain a distribution the the most homogeneous waves possible.
  • the waveguide (40) communicates to through an impedance adapter (41) and a 3-decibel divider (42) with an isolator (43) and the microwave generator (44). Between each window (14) emitting or between the emitting windows of the ends and each enclosure bottom, are preferably arranged a plurality of pipes (12) of forced air circulation by a fan V. These pipes (12) communicate over a height corresponding approximately to that of the stack of wood through grids (13) with the internal area of the enclosure containing the stack of wood (3) transported on a conveyor means such as, for example, a carriage consisting of wheels (32) mounted on a tray support (31).
  • a conveyor means such as, for example, a carriage consisting of wheels (32) mounted on a tray support (31).
  • the wood stack is preferably made of pieces (30) in the form of beams or planks or planks of thickness and width any, from sawing and arranged contiguously across their width in a longitudinal direction to form a layer.
  • Each layer of wood is spaced from the bottom layer by battens or rods (33) arranged perpendicularly in a non-contiguous manner to spare between the adjoining layers of pieces of wood in the circulation passages of air, waves, and water.
  • the air circulation circuit is also made in material favoring the reflection of waves towards the interior of the enclosure and the wood.
  • the enclosure is placed in communication by a pipe (15) with a steam generator system (2) and possibly a compressor air (20).
  • the air compressor (20) is used to produce compressed air intended to accelerate the water circulation in the wood and, when the steam generator system (2) cannot generate steam under sufficient pressure to rise at the desired temperature or to support the rise in temperature and accelerate the water circulation of the wood. However, when using a pressurized steam generator system sufficient to reach temperatures and pressures desired, the air compressor can be deleted.
  • the wheels of the carriage rest on rails (10A, 10B) which are integral from the bottom of the tank (1) these are provided with a device for eliminating electric arcs.
  • a grid (19) prevents the propagation of waves to liquid exudates or runoff collected in the bottom of tank.
  • This runoff is discharged through a pipe (18) controlled by a valve (17).
  • This pipe (18) opens into a removable or drainable container for recovering liquid exudates resulting from the drying process.
  • the pipeline is open continuously or intermittently.
  • the pipeline leads into a physico-chemical treatment device making the exudates compatible with the standards in force for waters waste.
  • the upper part of the tank has a safety (11) which makes it possible to maintain the tank at the desired pressure, relieve pressure if it is too high and finally put the tank to the atmosphere after the drying process is complete.
  • the tank (1) is enclosed in an enclosure (5), which communicates through the airlock of the door (16) automatically controlled at the end and at the start by a system electronic control.
  • a preloading area (50) makes it possible to bring the carriages on a pair of rails (10C, 10D) which are not related electric with the rails (10A, 10B) of the enclosure (1).
  • a device for spraying (52) allows water to be sprayed during the use phase microwaves to prevent radiation from leaking out.
  • a reserve tank not shown, removable and drainable is connected to the enclosure (1) by a pipe (18) and makes it possible to collect the exudates liquids resulting from the drying of wood. To ensure reduced leakage the microwave generator (44) is buried like the reserve tank (6) and communicates with the drying chamber (1) through the waveguide (40).
  • the drying process includes the following operations: introduction by means of transfer of a load of green wood into the enclosure; automatic closing of the enclosure door, this preferably to avoid all errors and shocks due to handling; pressurization of the enclosure and diffusion of saturated vapor in the enclosure until the pressure corresponding to the temperature of desired operation in saturated steam.
  • We can, if the need arises, rise to temperatures of saturated vapor greater than 180 ° Celsius, 200 ° Celsius, or even 220 ° Celsius by increasing the pressure up to 10 bars or respectively 15 bars.
  • the temperature and pressure increases of the process can be done in successive steps, or according to ramps or again, according to cycles allowing the optimization of the desired result, 0% complete drying, drying to a certain humidity level or production of chemically exploitable liquid exudates.
  • This phase of pre-drying under saturated steam pressure and temperature determined is maintained for the time necessary to pass from one moisture content of green wood at least 65% depending on the species at a so-called "saturation" rate of 30%.
  • saturation rate of 30%
  • the microwave power emitted by the central window (14c) can be higher than the power emitted by the windows (14l) located on either side of the central window, is used so as to obtain a temperature differential in wood which corresponds to a differential of vapor pressure in wood.
  • This pressure differential will be oriented by in order to favor the evacuation of water towards the outside of the wood and in the direction fibers when the determined operating temperature has been reached.
  • the power of microwave generators is calculated so to reach a wood temperature higher than that of saturated vapor which can be close to 120 ° Celsius or higher and produce the effect sought in the context of drying from the inside to the outside of the wood.
  • the siphon (18) is triggered at regular intervals by the control system as soon as the level closer to the grid.
  • the enclosure includes a level detector device allowing the automatic opening of the valve (17).
  • Each cycle water evacuation is followed by a vapor pressure reset cycle saturated water from the enclosure. This last phase brings the wood moisture content of 30% at the desired final rate which can be 20%, 10%, 6% or 0%.
  • the process will include at least one phase of fixed duration during which the temperature will be kept within a range around 200 to 220 ° C and in a vapor atmosphere pressure saturating greater than 10 bars.
  • the drying process can also be used in the device of the invention for producing a liquid exudate incorporating molecules chemicals constituting a wood essence, such as pine, eucalyptus, oak, beech, spruce, etc., or a determined mixture of species.
  • This exudate is recovered and possibly reprocessed by physicochemical processes to obtain exploitable chemical components in the cosmetic industry, in the pharmaceutical industry, in the perfumes, in the food industry, chemistry or the insecticide industry.
  • the exudate obtained has properties insecticides.
  • Valves (191, 192) for communication with the condenser (19) are open to allow the enclosure vapor to condense and lower the temperature of the enclosure. After a while, the microwave generator is also stopped and the pressure decreased to gradually get to atmospheric pressure.
  • any transfer device can be used in place of the rail-mounted cart.
  • devices control and regulation will initiate the phases successive steps of the process in combination with more or less automation less push.
  • the enclosure has a safety valve (11) allowing the enclosure to be vented, either at the end of the process or excess pressure detected by the control system.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Microbiology (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Biotechnology (AREA)
  • Molecular Biology (AREA)
  • Drying Of Solid Materials (AREA)
  • Chemical And Physical Treatments For Wood And The Like (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
EP98952814A 1997-10-30 1998-10-29 Procede de sechage des bois de sciage et dispositif permettant la mise en oeuvre du procede Expired - Lifetime EP1027567B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
SI9830270T SI1027567T1 (en) 1997-10-30 1998-10-29 Method for drying saw timber and device for implementing said method
EP02075762A EP1248059A1 (fr) 1997-10-30 1998-10-29 Procédé de séchage des bois de sciage et dispositif permettant la mise en oeuvre du procédé

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR9713641A FR2770441B1 (fr) 1997-10-30 1997-10-30 Procede de sechage des bois de sciage et dispositif permettant la mise en oeuvre du procede
FR9713641 1997-10-30
PCT/FR1998/002318 WO1999023429A1 (fr) 1997-10-30 1998-10-29 Procede de sechage des bois de sciage et dispositif permettant la mise en oeuvre du procede

Related Child Applications (1)

Application Number Title Priority Date Filing Date
EP02075762A Division EP1248059A1 (fr) 1997-10-30 1998-10-29 Procédé de séchage des bois de sciage et dispositif permettant la mise en oeuvre du procédé

Publications (2)

Publication Number Publication Date
EP1027567A1 EP1027567A1 (fr) 2000-08-16
EP1027567B1 true EP1027567B1 (fr) 2002-08-28

Family

ID=9512846

Family Applications (2)

Application Number Title Priority Date Filing Date
EP02075762A Withdrawn EP1248059A1 (fr) 1997-10-30 1998-10-29 Procédé de séchage des bois de sciage et dispositif permettant la mise en oeuvre du procédé
EP98952814A Expired - Lifetime EP1027567B1 (fr) 1997-10-30 1998-10-29 Procede de sechage des bois de sciage et dispositif permettant la mise en oeuvre du procede

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP02075762A Withdrawn EP1248059A1 (fr) 1997-10-30 1998-10-29 Procédé de séchage des bois de sciage et dispositif permettant la mise en oeuvre du procédé

Country Status (20)

Country Link
US (1) US6473994B1 (pl)
EP (2) EP1248059A1 (pl)
JP (1) JP4298914B2 (pl)
CN (1) CN1135355C (pl)
AT (1) ATE223026T1 (pl)
BR (1) BR9813163A (pl)
CA (1) CA2309307C (pl)
CZ (1) CZ297639B6 (pl)
DE (1) DE69807516T2 (pl)
DK (1) DK1027567T3 (pl)
EA (1) EA002725B1 (pl)
ES (1) ES2183419T3 (pl)
FR (1) FR2770441B1 (pl)
HU (1) HU223389B1 (pl)
OA (1) OA11408A (pl)
PL (1) PL190044B1 (pl)
PT (1) PT1027567E (pl)
SK (1) SK6402000A3 (pl)
TR (1) TR200001192T2 (pl)
WO (1) WO1999023429A1 (pl)

Families Citing this family (42)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2793008B1 (fr) * 1999-04-30 2001-07-27 Valeurs Bois Ind Procede d'extraction de jus naturel de matieres vegetales ligneuses, dispositif permettant la mise en oeuvre du procede et utilisation du procede pour la production de vegetaux ligneux seches
US6675495B2 (en) 1997-10-30 2004-01-13 Valeurs Bois Industrie Method for drying saw timber and device for implementing said method
DE19940002A1 (de) * 1999-08-24 2001-03-08 Roeger Ulrich Anlage und Methode zur beschleunigten Trocknung schlechter Wärmeleiter
KR100512079B1 (ko) * 2000-05-19 2005-09-05 최 선 태 목재 건조 방법과 그 장치
AUPR596301A0 (en) * 2001-06-27 2001-07-19 University Of Melbourne, The A method of microwave treatment of wood
JP3562517B2 (ja) * 2001-08-30 2004-09-08 ヤマハ株式会社 楽器およびその製造方法
CN100344929C (zh) * 2003-04-24 2007-10-24 中国林业科学研究院木材工业研究所 木材干燥内应力释放方法及其释放装置
US7246452B1 (en) * 2003-06-20 2007-07-24 Jacques Roy Method for treating preservative-treated wood
US7987614B2 (en) * 2004-04-12 2011-08-02 Erickson Robert W Restraining device for reducing warp in lumber during drying
WO2006034532A1 (en) * 2004-09-27 2006-04-06 Andrew Karl Knorr Improved timber processing.
US7963048B2 (en) * 2005-05-23 2011-06-21 Pollard Levi A Dual path kiln
WO2007081685A2 (en) * 2006-01-04 2007-07-19 Masonite Corporation Method of forming a core component
FR2900224B1 (fr) * 2006-04-21 2008-07-04 Bearn Innovation Bernard Dedie Procede de sechage des boues et dispositif permettant la mise en oeuvre du procede
NL2000405C2 (nl) * 2006-12-22 2008-06-24 Willems Holding B V W Werkwijze voor het verduurzamen van hout, houtproduct en inrichting daarvoor.
JP5060791B2 (ja) * 2007-01-26 2012-10-31 独立行政法人森林総合研究所 木材の乾燥方法、木材への薬剤浸透方法及び乾燥装置
CZ303305B6 (cs) * 2007-08-13 2012-07-25 Vojtasík@Radovan Zpusob sušení reziva a zarízení k provádení tohoto zpusobu
CN101318347B (zh) * 2008-07-01 2010-09-01 合肥溢新微波能科技有限公司 微波能人造板处理机
US8021445B2 (en) 2008-07-09 2011-09-20 Skye Energy Holdings, Inc. Upgrading carbonaceous materials
US8201501B2 (en) 2009-09-04 2012-06-19 Tinsley Douglas M Dual path kiln improvement
CN101806531B (zh) * 2010-04-26 2012-10-24 湖北老巴王生态农业发展有限公司 冷热风两用干燥房
US20120160840A1 (en) * 2010-12-23 2012-06-28 Eastman Chemical Company Wood heater with alternating microwave launch locations and enhanced heating cycles
KR101222469B1 (ko) * 2012-05-23 2013-01-15 이대암 장수하늘소의 대량증식을 위한 인공사료, 및 이를 이용한 사육방법
CN102721265B (zh) * 2012-06-28 2014-10-15 罗泽云 物料干燥方法及其干燥系统
CN103228073A (zh) * 2013-02-10 2013-07-31 中南林业科技大学 一种用于改善木材微波预处理效果的谐振腔
CN103808121B (zh) * 2014-03-05 2015-07-15 龙胜县宏胜木业有限公司 一种椎木烘干工艺
CN103932357B (zh) * 2014-04-17 2016-04-06 福建省农业科学院畜牧兽医研究所 一种牧草加工车间及其加工工艺
KR101664373B1 (ko) * 2015-01-05 2016-10-12 (주) 토모우드 함수율 체크를 이용한 국산 목재 건조 방법
KR101762151B1 (ko) * 2015-01-05 2017-07-27 (주) 토모우드 마이크로파를 이용한 국산 목재 건조 방법
KR101639663B1 (ko) * 2015-01-28 2016-07-14 (주) 토모우드 소나무 재선충 박멸을 위한 이동형 목재 살충 장치
KR101649095B1 (ko) * 2015-01-29 2016-08-19 (주) 토모우드 마이크로파를 이용한 일체형 목재 건조 및 탄화 장치 및 방법
CN104677067B (zh) * 2015-03-25 2017-06-23 湖州恒远生物化学技术有限公司 一种冷热两用型干燥箱
KR101816759B1 (ko) * 2015-07-31 2018-01-10 (주)그린우드 마이크로파를 이용한 목재 건조공정의 제어방법
CN105459240B (zh) * 2015-11-17 2017-08-08 西北农林科技大学 一种微波真空法降低人造板甲醛释放量的设备
BR102016008739A2 (pt) * 2016-04-19 2017-10-24 Nunes Claristoni Grain drying process
KR101865909B1 (ko) * 2016-06-15 2018-06-08 인태근 초단파를 이용한 목재 건조장치
US10619921B2 (en) 2018-01-29 2020-04-14 Norev Dpk, Llc Dual path kiln and method of operating a dual path kiln to continuously dry lumber
CN109140929A (zh) * 2018-08-31 2019-01-04 安徽联丰制丝有限公司 一种蚕丝生产用烘干设备
CN110900759A (zh) * 2019-12-12 2020-03-24 沈志荣 一种原木锯材的烘干工艺
CN111006460A (zh) * 2019-12-19 2020-04-14 合肥金菱电器有限公司 高效烘干房
CN112556337B (zh) * 2020-12-08 2022-09-20 东北林业大学 一种具有除菌功能的木材干燥机
CN113211580B (zh) * 2021-05-08 2022-07-29 丁宇 一种用于门板生产使用的节能型门板浸泡辅助设备
CN117906371B (zh) * 2024-03-19 2024-06-04 江苏华诺泰生物医药科技有限公司 一种冻干机的进出料机构

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE517714C (de) * 1929-08-20 1931-02-07 Charles Goodall Verfahren und Vorrichtung zum Trocknen von Holz
US3721013A (en) * 1971-06-04 1973-03-20 Canadian Patents Dev Method of drying wood
US3845270A (en) * 1973-08-20 1974-10-29 Raytheon Co Microwave heating and vapor condensing apparatus
AR204636A1 (es) * 1973-09-17 1976-02-20 Koppelman Edward Procedimiento y un aparato para secar madera
US4469156A (en) * 1980-09-12 1984-09-04 Misato Norimoto Method and apparatus for shaping wood material into a predetermined configuration
SE423931B (sv) 1980-10-15 1982-06-14 Nils Oskar Tore Loof Sett att torka treprodukter
JPS57501882A (pl) * 1980-11-14 1982-10-21
US4343095A (en) * 1981-03-24 1982-08-10 The United States Of America As Represented By The Secretary Of Agriculture Pressure dryer for steam seasoning lumber
US4447402A (en) * 1982-05-27 1984-05-08 Devine Manufacturing Company Autoclaves
DK59286D0 (da) * 1986-02-06 1986-02-06 Steen Ole Moldrup Fremgangsmaade og anlaeg til fjernelse af vaeske fra trae
DE3717659A1 (de) * 1987-05-26 1988-12-15 Brunner R Messtechmik Verfahren und vorrichtung zum trocknen von schnittholz
WO1991009713A1 (fr) * 1989-12-25 1991-07-11 Hisaka Works Limited Procede et appareil de traitement du bois
DK0505586T3 (da) * 1991-03-23 1996-03-04 Brunner Reinhard Indretning til tørring af træ
DK143191A (da) * 1991-08-05 1993-02-06 Ib Obel Pedersen Fremgangsmaade, autoklave og anlaeg med autoklave til opvarmning af emner af trae, som skal stukkes
US5195251A (en) * 1992-02-19 1993-03-23 Gyurcsek Frank T Drying kiln
SE505655C2 (sv) * 1994-02-11 1997-09-29 Flaekt Ab Förfarande för torkning av virke
CZ279668B6 (cs) * 1994-06-15 1995-05-17 Els, S.R.O. Zařízení k sušení a ochraně dřeva
US5558800A (en) * 1995-06-19 1996-09-24 Northrop Grumman Microwave power radiator for microwave heating applications
GB2306090B (en) * 1995-09-15 1999-10-06 English Country Furniture Limi Drying of timber

Also Published As

Publication number Publication date
FR2770441A1 (fr) 1999-05-07
ES2183419T3 (es) 2003-03-16
OA11408A (fr) 2004-04-20
BR9813163A (pt) 2000-08-22
CN1280662A (zh) 2001-01-17
DE69807516T2 (de) 2003-04-24
PT1027567E (pt) 2003-01-31
CZ297639B6 (cs) 2007-02-21
HU223389B1 (hu) 2004-06-28
DE69807516D1 (de) 2002-10-02
US6473994B1 (en) 2002-11-05
PL190044B1 (pl) 2005-10-31
CZ20001538A3 (cs) 2001-08-15
PL340375A1 (en) 2001-01-29
EA200000472A1 (ru) 2000-10-30
TR200001192T2 (tr) 2001-07-23
HUP0004131A3 (en) 2001-04-28
CA2309307C (fr) 2007-10-09
ATE223026T1 (de) 2002-09-15
EP1027567A1 (fr) 2000-08-16
SK6402000A3 (en) 2000-11-07
CA2309307A1 (fr) 1999-05-14
JP2001521848A (ja) 2001-11-13
FR2770441B1 (fr) 2000-02-11
CN1135355C (zh) 2004-01-21
WO1999023429A1 (fr) 1999-05-14
HUP0004131A2 (en) 2001-03-28
DK1027567T3 (da) 2002-12-30
EP1248059A1 (fr) 2002-10-09
EA002725B1 (ru) 2002-08-29
JP4298914B2 (ja) 2009-07-22

Similar Documents

Publication Publication Date Title
EP1027567B1 (fr) Procede de sechage des bois de sciage et dispositif permettant la mise en oeuvre du procede
EP1198689B1 (fr) Procede d'extraction de jus naturel de matieres vegetales ligneuses, dispositif permettant la mise en oeuvre du procede et utilisation du procede pour la production de vegetaux ligneux seches, ou de jus
US6675495B2 (en) Method for drying saw timber and device for implementing said method
FR3070869A1 (fr) Procede et dispositif d'extraction en continu de produits organiques solides ou pateux par micro-ondes
EP0413813B1 (fr) Dispositifs de traitement des dejections humaines ou animales par micro-ondes
EP1847791B1 (fr) Procédé de séchage des boues et dispositif permettant la mise en oeuvre du procédé
CA2392159C (fr) Procede et dispositif pour le traitement du bois ou des materiaux similaires
FR2920098A1 (fr) Appareil pour traiter un sediment.
FR2781710A1 (fr) Procede de sechage des bois de sciage et dispositif permettant la mise en oeuvre du procede
WO2023187289A1 (fr) Four d'extraction à micro-ondes pour le traitement thermique en continu de produits organiques à l'état solide ou pâteux
FR2790698A1 (fr) Dispositif pour le traitement thermique a haute temperature d'une matiere ligneuse
FR3147112A1 (fr) Dispositif de chauffage à micro-ondes pour le traitement thermique en continu de produits organiques à l’état solide ou pâteux
FR2611033A1 (fr) Dispositif pour le sechage de materiaux comme le bois

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 20000504

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

AX Request for extension of the european patent

Free format text: AL PAYMENT 20000504;LT PAYMENT 20000504;LV PAYMENT 20000504;MK PAYMENT 20000504;RO PAYMENT 20000504;SI PAYMENT 20000504

GRAG Despatch of communication of intention to grant

Free format text: ORIGINAL CODE: EPIDOS AGRA

17Q First examination report despatched

Effective date: 20010821

GRAG Despatch of communication of intention to grant

Free format text: ORIGINAL CODE: EPIDOS AGRA

GRAG Despatch of communication of intention to grant

Free format text: ORIGINAL CODE: EPIDOS AGRA

GRAH Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOS IGRA

GRAH Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOS IGRA

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

AX Request for extension of the european patent

Free format text: AL PAYMENT 20000504;LT PAYMENT 20000504;LV PAYMENT 20000504;MK PAYMENT 20000504;RO PAYMENT 20000504;SI PAYMENT 20000504

REF Corresponds to:

Ref document number: 223026

Country of ref document: AT

Date of ref document: 20020915

Kind code of ref document: T

REG Reference to a national code

Ref country code: GB

Ref legal event code: FG4D

Free format text: NOT ENGLISH

REG Reference to a national code

Ref country code: CH

Ref legal event code: EP

REF Corresponds to:

Ref document number: 69807516

Country of ref document: DE

Date of ref document: 20021002

REG Reference to a national code

Ref country code: IE

Ref legal event code: FG4D

Free format text: FRENCH

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: CY

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20021031

REG Reference to a national code

Ref country code: GR

Ref legal event code: EP

Ref document number: 20020403965

Country of ref document: GR

GBT Gb: translation of ep patent filed (gb section 77(6)(a)/1977)

Effective date: 20021129

REG Reference to a national code

Ref country code: DK

Ref legal event code: T3

REG Reference to a national code

Ref country code: PT

Ref legal event code: SC4A

Free format text: AVAILABILITY OF NATIONAL TRANSLATION

Effective date: 20021126

RAP2 Party data changed (patent owner data changed or rights of a patent transferred)

Owner name: VALEURS BOIS INDUSTRIE

REG Reference to a national code

Ref country code: ES

Ref legal event code: FG2A

Ref document number: 2183419

Country of ref document: ES

Kind code of ref document: T3

NLT2 Nl: modifications (of names), taken from the european patent patent bulletin

Owner name: VALEURS BOIS INDUSTRIE

NLT1 Nl: modifications of names registered in virtue of documents presented to the patent office pursuant to art. 16 a, paragraph 1

Owner name: VALEURS BOIS INDUSTRIE

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: MC

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20030501

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

REG Reference to a national code

Ref country code: GB

Ref legal event code: 711B

REG Reference to a national code

Ref country code: CH

Ref legal event code: AEN

Free format text: LE BREVET A ?T? R?ACTIV? SELON LA DEMANDE DE POURSUITE DE LA PROC?DURE DU 16.06.2003.

REG Reference to a national code

Ref country code: GB

Ref legal event code: 711G

26N No opposition filed

Effective date: 20030530

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GR

Payment date: 20041231

Year of fee payment: 7

REG Reference to a national code

Ref country code: SI

Ref legal event code: IF

LTLA Lt: lapse of european patent or patent extension

Effective date: 20051029

REG Reference to a national code

Ref country code: SI

Ref legal event code: KO00

Effective date: 20060621

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: PT

Payment date: 20060919

Year of fee payment: 9

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: AT

Payment date: 20060928

Year of fee payment: 9

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DK

Payment date: 20061013

Year of fee payment: 9

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: LU

Payment date: 20071025

Year of fee payment: 10

Ref country code: ES

Payment date: 20071016

Year of fee payment: 10

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: BE

Payment date: 20071017

Year of fee payment: 10

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GR

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20020828

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: CH

Payment date: 20080125

Year of fee payment: 10

REG Reference to a national code

Ref country code: PT

Ref legal event code: MM4A

Free format text: LAPSE DUE TO NON-PAYMENT OF FEES

Effective date: 20080429

REG Reference to a national code

Ref country code: DK

Ref legal event code: EBP

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: AT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20071029

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: PT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20080429

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DK

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20071031

BERE Be: lapsed

Owner name: *VALEURS BOIS INDUSTRIE

Effective date: 20081031

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

REG Reference to a national code

Ref country code: IE

Ref legal event code: MM4A

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: IE

Payment date: 20071001

Year of fee payment: 10

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: BE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20081031

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LI

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20081031

Ref country code: IE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20081029

Ref country code: CH

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20081031

REG Reference to a national code

Ref country code: ES

Ref legal event code: FD2A

Effective date: 20081030

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: ES

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20081030

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FI

Payment date: 20091030

Year of fee payment: 12

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: NL

Payment date: 20091028

Year of fee payment: 12

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: IT

Payment date: 20091013

Year of fee payment: 12

Ref country code: GB

Payment date: 20091009

Year of fee payment: 12

Ref country code: FR

Payment date: 20091119

Year of fee payment: 12

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LU

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20081029

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 20091216

Year of fee payment: 12

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: SE

Payment date: 20101014

Year of fee payment: 13

REG Reference to a national code

Ref country code: NL

Ref legal event code: V1

Effective date: 20110501

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 20101029

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20101102

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST

Effective date: 20110630

REG Reference to a national code

Ref country code: DE

Ref legal event code: R119

Ref document number: 69807516

Country of ref document: DE

Effective date: 20110502

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20101029

Ref country code: FI

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20101029

Ref country code: NL

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20110501

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20101029

REG Reference to a national code

Ref country code: SE

Ref legal event code: EUG

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20111030

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20110502