WO2020004982A1 - Appareil modulaire de séchage de bois à micro-ondes - Google Patents

Appareil modulaire de séchage de bois à micro-ondes Download PDF

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Publication number
WO2020004982A1
WO2020004982A1 PCT/KR2019/007826 KR2019007826W WO2020004982A1 WO 2020004982 A1 WO2020004982 A1 WO 2020004982A1 KR 2019007826 W KR2019007826 W KR 2019007826W WO 2020004982 A1 WO2020004982 A1 WO 2020004982A1
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WO
WIPO (PCT)
Prior art keywords
microwave
microwave module
wood
module
frame
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.)
Ceased
Application number
PCT/KR2019/007826
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English (en)
Korean (ko)
Inventor
박수훈
박찬일
김현승
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.)
Pacep Co Ltd
Original Assignee
Pacep Co Ltd
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 Pacep Co Ltd filed Critical Pacep Co Ltd
Publication of WO2020004982A1 publication Critical patent/WO2020004982A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
    • B27K3/00—Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process
    • B27K3/02—Processes; Apparatus
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
    • B27K5/00—Treating of wood not provided for in groups B27K1/00, B27K3/00
    • 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
    • F26B3/347—Electromagnetic heating, e.g. induction heating or heating using microwave energy

Definitions

  • the present invention relates to a modular microwave wood drying apparatus.
  • Logged wood has a high moisture content (water content) for use in certain applications such as construction.
  • water content water content
  • the use of high moisture content wood may cause warpage, deformation and severe cracking over time, and may cause problems such as poor durability due to mold or pest growth and poor lifespan.
  • the dried wood has an advantage that the strength is increased by two to three times, and the weight is reduced compared to the non-dried wood is easy to process and handle. Therefore, in order to use the felled wood for a specific use, such as construction, a drying process is required to have a constant moisture content.
  • the natural drying method is to expose wood to the atmosphere so that the water content naturally decreases. Generally, wood is stacked alternately and then covered and left at room temperature. This natural drying takes a long time, there is a problem that it is difficult to obtain the water content required for a particular application.
  • Artificial drying is a method of controlling the moisture content by placing wood in an artificially controlled environment.
  • Hot air drying is a method of controlling the moisture content by heating and circulating the air using steam or heat transfer
  • vacuum drying is a method of controlling the moisture content at atmospheric pressure lower than atmospheric pressure
  • dehumidification drying is to control the moisture content by lowering the humidity in the air Way.
  • Korean Patent Registration Publication No. 10-1721797 discloses an artificial drying method for drying wood using a heat medium heater (40).
  • the conventional artificial drying method has a problem in that the drying cost is increased because excessive energy is consumed to heat air or lower air pressure, and it is difficult to control the moisture content of the center of the wood because it is heated from the surface of the wood. .
  • the size of the chamber for drying the wood is not only difficult to install and operate the drying apparatus, it is difficult to apply to various sizes of wood, there is a problem to redesign the drying apparatus according to the size of the wood.
  • the inside and outside of the wood can be heated to control the moisture content of the entire wood to prevent deformation and excessive cracking of the wood, and since the wood can be sterilized to the deep core, no additional sterilization process is required. Breakage can be prevented.
  • Modular microwave wood drying apparatus the body; A first microwave module disposed on the first surface of the body and capable of performing a drying operation by the emitted microwaves inside the body by emitting microwaves, the first microwave module being detachable from and coupled to the body; A second surface disposed on a second surface opposite to the first surface of the body and capable of performing a drying operation by the emitted microwaves in the interior of the body by emitting microwaves, and detachable from and coupled to the body Microwave module; A first communication line unit electrically connecting the body and the first microwave module to provide a communication path therebetween, and separated from the body and the first microwave module; A second communication line part electrically connected to the body and the second microwave module to provide a communication path therebetween, and separated from the body and the second microwave module; And a drying chamber surrounded by the first microwave module and the second microwave module.
  • the body has a frame, a workbench for supporting wood, a rail that provides a passage through which the workbench moves and connected to the outside from the inside of the frame, an inlet disposed on the third surface of the frame, a door for opening and closing the inlet, drying
  • a control unit for controlling a condition, and a plurality of body connection parts electrically connected to the control unit
  • the first microwave module includes a microwave oscillator, a waveguide for providing a movement path of microwaves emitted from the microwave oscillator, and the microwave oscillator
  • Connections which may include Can be.
  • the first communication line part may be connected to either one of the body connection parts and the first microwave module connection part, respectively, and the second communication line part may be connected to either one of the body connection part and the second microwave module connection part, respectively.
  • the body may include a first support disposed on a first surface of the frame and supporting the first microwave module, a first through part disposed on a first surface of the frame and penetrating the inside and the outside of the body, the frame And a second support disposed on a second surface of the second support for supporting the second microwave module, and a second through part disposed on the second surface of the frame and penetrating the inside and the outside of the body.
  • the first microwave module includes a first working surface having a discharge passage for emitting microwaves, the first microwave module being disposed on the first support to block the first through part through the first working surface.
  • the second microwave module may include a second working surface on which a discharge passage for emitting microwaves is disposed, and disposed on the second support to block the second through part through the second working surface.
  • the drying chamber may be formed surrounded by the work table, the door, the first working surface of the first microwave module and the second working surface of the second microwave module.
  • the work bench and the door are physically connected, and when the door is opened to move the door, the work bench may move to the outside of the body.
  • the first microwave module and the second microwave module may be applied to the body by selecting the arrangement and the number of the first microwave module and the second microwave module according to the design change of the body.
  • Modular microwave wood drying apparatus can efficiently control the water content of the wood.
  • the inside and outside of the wood can be heated to control the moisture content of the entire wood to prevent deformation and excessive cracking of the wood, and since the wood can be sterilized to the deep core, no additional sterilization process is required. Breakage can be prevented.
  • FIG. 1 shows a modular microwave wood drying apparatus according to an embodiment of the present invention.
  • FIG. 2 shows a modular microwave generator removed from the modular microwave wood drying apparatus according to an embodiment of the present invention.
  • Figure 3 illustrates a state loaded with wood in a modular microwave wood drying apparatus according to an embodiment of the present invention.
  • Figure 8 shows the wood dried by the artificial drying method using a radiator.
  • FIG. 9 illustrates dried wood using a modular microwave wood drying apparatus according to an embodiment of the present invention.
  • Figure 1 shows a modular microwave wood drying apparatus 100 according to an embodiment of the present invention
  • Figure 2 shows a modular microwave generator in a modular microwave wood drying apparatus 100 according to an embodiment of the present invention
  • Figure 3 is a view showing a removed
  • Figure 3 shows a state loaded with wood 10 in a modular microwave wood drying apparatus 100 according to an embodiment of the present invention.
  • the modular microwave wood drying apparatus 100 according to an embodiment of the present invention, the body 110; Is disposed on the first surface of the body 110, by emitting a microwave to perform the drying operation by the emitted microwaves in the interior of the body 110, detachable and coupled from the body 110 First microwave module 120;
  • the first communication line 140 may be electrically connected to the body 110 and the first microwave module 120 to provide a communication path therebetween, and may be separated from the body 110 and the first microwave module 120.
  • a second communication line unit electrically connecting the body 110 and the second microwave module 130 to provide a communication path therebetween, and separated from the body 110 and the second microwave module 130;
  • a drying chamber 160 surrounded by the first microwave module 120 and the second microwave module 130.
  • Body 110 is a member forming the skeleton of the modular microwave wood drying apparatus 100, each component is disposed to form a drying chamber 160 therein.
  • the surface on which the first microwave module 120 is disposed is a first surface
  • the surface on which the second microwave module 130 is disposed is a second surface
  • the surface on which the phosphorus inlet 114 is disposed may be defined as a third surface. 1 to 3, the third surface may be a surface that shares the same edge and is perpendicular to the first and second surfaces, respectively, but is not particularly limited.
  • the body 110 provides a frame 111, a workbench 112 for supporting the wood 10, a passage for the workbench 112 to move and a rail 113 connected to the outside from the inside of the frame 111. , An inlet 114 disposed on the third surface of the frame 111, a door 115 for opening and closing the inlet 114, a controller 116 for controlling a drying condition, and an electrical contact with the controller 116. It may include a plurality of body connection portion 117 connected.
  • the frame 111 is formed of a first through part 119a, which is a space in which the first microwave module 120 is disposed, and a space in which the first microwave module 120 is disposed in the second surface.
  • the first through part 119a may be formed.
  • the first through part 119a and the second through part 119b may be formed in plural, and include a beam disposed at a boundary between each of the first through part 119a and the second through part 119b. can do.
  • the first microwave module 120 and the second microwave module 130 when the first microwave module 120 and the second microwave module 130 are coupled to each other, the first microwave module 120 and the second microwave module 130 may serve as a guide for locating the first microwave module 120 and the second microwave module 130 at an accurate position.
  • the first microwave module 120 and the second microwave module 130 is fixed so that the first microwave module 120 and the second microwave module 130 are fixed to each other by installing a binding member to bind the first microwave module 120 and the second microwave module 130. can do.
  • the first microwave module 120 is disposed on the first support 118a to block the first through part 119a through the first working surface 123
  • the second microwave The module 130 may be disposed on the second support 118b to block the second through part 119b through the second working surface 133.
  • the first working surface 123 is a surface on which a discharge passage for emitting microwaves is disposed on the surface of the first microwave module 120
  • the second working surface 133 is on the surface of the second microwave module 130. It is a surface on which a discharge passage for emitting microwaves is arranged.
  • First and second support members 118a and 118b may protrude from the first and second surfaces of the frame 111, respectively.
  • the body 110 is disposed on the first surface of the frame 111 and is disposed on the first support 118a and the second surface of the frame 111 to support the first microwave module 120.
  • the first microwave module 120 and the second microwave module 130 are respectively supported by the first support 118a and the second support 118b. It can be placed on the) to be fixed stably.
  • the length of the first support 118a and the second support 118b protruding from the frame 111 may correspond to a working surface of the first microwave module 120 and the second microwave module 130 and face the same.
  • the drying chamber 160 may be disposed closely to the waveguides of the first microwave module 120 and the second microwave module 130, thereby increasing drying efficiency, and stably sealing the drying chamber 160 to the outside. can do.
  • the workbench 112 serves to support the wood 10 that is the target of the drying process.
  • the support may be configured to move separately from the frame (111).
  • the support may include a plate for stably supporting the wood 10, and may further include a wheel for moving the rail 113 in the lower portion of the plate.
  • the rail 113 may provide a passage through which the support moves.
  • the rail 113 may extend from the inside of the frame 111 to the outside. Through this, the support can move from the inside of the frame 111 to the outside, the operator can easily put the wood 10 on the support moved to the outside of the frame 111 or remove the wood 10 on the support.
  • the inlet 114 may be disposed on the third surface of the frame 111.
  • the inlet 114 may provide a passage through which the support moves into and out of the frame 111.
  • the door 115 may open and close the inlet 114. Referring to FIG. 2, the door 115 may be physically connected to the support and move integrally. The worker can easily move the support to the outside of the frame 111 by moving the door 115 to the outside of the frame 111.
  • the controller 116 may control a drying condition by controlling operations of the first microwave module 120 and the second microwave module 130.
  • the controller 116 may transmit a command to the first microwave module 120 and the second microwave module 130 to control the emission and interruption of the microwave, the emission time, the size of the microwave, and the like.
  • the controller 116 may perform wireless or wireless communication with the first microwave module 120 and the second microwave module 130.
  • the control unit 116 may receive information such as the state of the microwave oscillator, power consumption, voltage, etc. from the first microwave module 120 and the second microwave module 130, and a thermometer disposed inside the drying chamber 160. You can receive the temperature from.
  • the controller 116 may transmit the received information to a display so that an operator may know the condition and drying conditions of the modular microwave generator.
  • the body connection part 117 is electrically connected with the control part 116.
  • the body connection part 117 may be disposed adjacent to the first through part 119a covered by the first microwave module 120 and the second through part 119b covered by the second microwave module 130. have.
  • the body connection part 117 may be connected to the module connection part disposed in the first microwave module 120 and the second microwave module 130 by the first communication line part 140 and the second communication line part. This enables communication between the controller 116 and the first microwave module 120 and the second microwave module 130.
  • by including the body connection portion 117 can be provided in a modular form that can be easily separated and coupled to the first microwave module 120 and the second microwave module 130.
  • the first microwave module 120 and the second microwave module 130 may be disposed on the first and second surfaces of the body 110 to face each other. Through this, the inside of the drying chamber 160 may be exposed to a predetermined microwave as a whole, and the wood 10 may be dried to be evenly as a whole.
  • the first microwave module 120 and the second microwave module 130 include a microwave oscillator for generating microwaves and a waveguide for providing a movement path of the microwaves emitted from the microwave oscillator.
  • the microwave oscillator and waveguide may be generally used in a microwave generator, and are not particularly limited.
  • the first microwave module 120 and the second microwave module 130 may include a plurality of microwave oscillators and waveguides. The plurality of microwave oscillators may be spaced apart in the vertical direction.
  • FIG. 4 and 5 show that three microwave oscillators and waveguides are spaced apart in the vertical direction.
  • three cooling holes 124 and 134 for cooling the power supply connected to each of the microwave oscillators are spaced apart from each other in the vertical direction.
  • FIG. 5 the filters 121 and 131 disposed at each end of the waveguide are arranged. Three are arranged spaced apart in the up-down direction. Through this, it is possible to provide an even drying condition as a whole from the top to the bottom of the drying chamber 160.
  • the filters 121 and 131 prevent air and water vapor in the drying chamber 160 from penetrating into the waveguide, and the microwaves emitted from the microwave oscillator can be delivered to the drying chamber 160. If it does, it will not restrict
  • the process since the working surface on which the end of the waveguide is disposed is arranged in a form surrounding the drying chamber 160, the process further includes a filter 121 and 131 that isolate the waveguide and the drying chamber 160. It can be done.
  • the embodiment of the present invention includes the first microwave module 120 and the second microwave module 130, which are independent microgenerators, in a detachable form, and the first microwave module 120 and the first The microwave module 130 may form a drying space having various shapes and sizes because the microwave module 130 may change the arrangement position and the number of the microwave module only by changing the shape and size of the frame by emitting microwaves to each outside.
  • the first microwave module 120 and the second microwave module 130 may include a first microwave module connector 122 and a first microwave module connector 122, respectively.
  • the module connection unit 122 may be electrically connected to the microwave oscillator, and may be connected to the control unit 116 of the body 110 through a communication line unit.
  • the command of the controller 116 may be transmitted to the microwave oscillators of the first microwave module 120 and the second microwave module 130, and the information of the first microwave module 120 and the second microwave module 130 may be transmitted.
  • the controller 116 may transmit the result.
  • the first microwave module 120 and the second microwave module 130 include a module connection part, so that the first microwave module 120 and the second microwave module 130 can be easily separated and combined. Can be provided modular.
  • the module connection part may be disposed on a surface of the first microwave module 120 and the second microwave module 130 that faces the working surfaces, and the body connection part 117 may include the first support 118a and the second support 118b. It can be disposed on).
  • the communication line unit 140 coupled to the module connecting unit 122 and the body connecting unit 117 can be easily separated at a time.
  • FIG. 6 shows a communication line unit.
  • one end of the first communication line part 140 is connected to the body connection part 117 disposed on the first through part 119a side of the body 110, and the other end thereof is the first microwave module connection part 122. Can be connected to.
  • one end of the second communication line part may be connected to the body connection part 117 disposed on the second through part 119b side of the body 110, and the other end thereof may be connected to the first microwave module connection part 122.
  • Information may be exchanged through the first communication line unit 140 and the second communication line unit, and power may be supplied to drive the microwave oscillator.
  • the first communication line unit 140 and the second communication line unit communication between the body 110 and the first microwave module 120 and the second microwave module 130 can be easily separated and combined.
  • the drying chamber 160 is a space formed inside the body 110 and is a space in which a process of drying the wood 10 is performed.
  • the drying chamber 160 includes the work table 112, the door 115, the first working surface 123 of the first microwave module 120, and the second working surface 133 of the second microwave module 130. It can be formed surrounded by.
  • An embodiment of the present invention includes a modular first microwave module 120 and a second microwave module 130, the drying chamber (closed through the first working surface 123 and the second working surface 133) Since the 160 is formed, constant drying conditions can be maintained over the entire region of the drying chamber 160.
  • the first microwave module 120 and the second microwave module 130 can be easily separated to easily perform maintenance and repair inside the drying chamber 160.
  • Modular microwave wood drying apparatus 100 is capable of heating the inside and outside of the wood to control the moisture content of the entire wood to prevent deformation and excessive cracking of the wood, wood Deep sterilization eliminates the need for additional sterilization and prevents pest damage.
  • FIG. 7 illustrates wood dried by a natural drying method
  • FIG. 8 illustrates wood dried by an artificial drying method using a radiator
  • FIG. 9 uses a modular microwave wood drying apparatus according to an embodiment of the present invention. To dry wood.
  • 100 modular microwave wood drying apparatus, 110: body, 111: frame, 112: workbench, 113: rail, 114: inlet, 115: door, 116: control unit, 117: body connection, 118a: first support, 118b: 2nd support, 119a: 1st penetration part, 119b: 2nd penetration part, 120: 1st microwave module, 121: filter, 122: microwave module connection part, 123: 1st working surface, 124: cooling port, 130: 1st 2 microwave module, 131: filter, 133: second working surface, 134: cooling port, 140: communication line, 160: drying chamber, 10: wood

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Microbiology (AREA)
  • Forests & Forestry (AREA)
  • Wood Science & Technology (AREA)
  • Biotechnology (AREA)
  • Physics & Mathematics (AREA)
  • Biomedical Technology (AREA)
  • Molecular Biology (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Electromagnetism (AREA)
  • Drying Of Solid Materials (AREA)

Abstract

La présente invention concerne un appareil modulaire de séchage de bois à micro-ondes. Un appareil modulaire de séchage de bois à micro-ondes selon un mode de réalisation de l'invention comprend : un corps ; un premier module à micro-ondes qui est disposé sur une première surface du corps de façon à émettre des micro-ondes dans le corps, et peut être séparé du corps ; un second module à micro-ondes qui est disposé sur une seconde surface opposée à la première surface du corps de façon à émettre des micro-ondes dans le corps, et peut être séparé du corps ; une première unité de ligne de communication qui connecte électriquement le corps au premier module à micro-ondes de façon à fournir un trajet de communication entre ceux-ci, et peut être séparée du corps et du premier module à micro-ondes ; une seconde unité de ligne de communication qui connecte électriquement le corps au second module à micro-ondes de façon à fournir un trajet de communication entre ceux-ci, et peut être séparée du corps et du second module à micro-ondes ; et une chambre de séchage entourée par le premier module à micro-ondes et le second module à micro-ondes.
PCT/KR2019/007826 2018-06-28 2019-06-27 Appareil modulaire de séchage de bois à micro-ondes Ceased WO2020004982A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2018-0074641 2018-06-28
KR1020180074641 2018-06-28

Publications (1)

Publication Number Publication Date
WO2020004982A1 true WO2020004982A1 (fr) 2020-01-02

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Application Number Title Priority Date Filing Date
PCT/KR2019/007826 Ceased WO2020004982A1 (fr) 2018-06-28 2019-06-27 Appareil modulaire de séchage de bois à micro-ondes

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001347506A (ja) * 2000-06-06 2001-12-18 Nagai Kikai Seisakusho:Kk 木材の乾燥方法と装置
KR20090117278A (ko) * 2008-05-09 2009-11-12 이성민 마이크로웨이브와 방열판을 이용한 스크류식 연속 건조장치
KR20160084136A (ko) * 2015-01-05 2016-07-13 (주) 토모우드 함수율 체크를 이용한 국산 목재 건조 방법 및 장치
KR20170014893A (ko) * 2015-07-31 2017-02-08 (주)그린우드 마이크로파를 이용한 목재 건조공정의 제어방법
US20170115057A1 (en) * 2014-06-11 2017-04-27 Enwave Corporation Microwave vacuum-drying of organic materials

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001347506A (ja) * 2000-06-06 2001-12-18 Nagai Kikai Seisakusho:Kk 木材の乾燥方法と装置
KR20090117278A (ko) * 2008-05-09 2009-11-12 이성민 마이크로웨이브와 방열판을 이용한 스크류식 연속 건조장치
US20170115057A1 (en) * 2014-06-11 2017-04-27 Enwave Corporation Microwave vacuum-drying of organic materials
KR20160084136A (ko) * 2015-01-05 2016-07-13 (주) 토모우드 함수율 체크를 이용한 국산 목재 건조 방법 및 장치
KR20170014893A (ko) * 2015-07-31 2017-02-08 (주)그린우드 마이크로파를 이용한 목재 건조공정의 제어방법

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