CA2775774A1 - Conveyor system for high frequency furnace - Google Patents

Conveyor system for high frequency furnace Download PDF

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Publication number
CA2775774A1
CA2775774A1 CA 2775774 CA2775774A CA2775774A1 CA 2775774 A1 CA2775774 A1 CA 2775774A1 CA 2775774 CA2775774 CA 2775774 CA 2775774 A CA2775774 A CA 2775774A CA 2775774 A1 CA2775774 A1 CA 2775774A1
Authority
CA
Canada
Prior art keywords
conveyor system
belt
layer
metal
electrically insulating
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.)
Abandoned
Application number
CA 2775774
Other languages
French (fr)
Inventor
James Kendall
Sylvain Chenard
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.)
Hydro Quebec
Original Assignee
Hydro Quebec
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 Hydro Quebec filed Critical Hydro Quebec
Priority to CA 2775774 priority Critical patent/CA2775774A1/en
Priority to PCT/CA2013/050317 priority patent/WO2013159230A1/en
Publication of CA2775774A1 publication Critical patent/CA2775774A1/en
Abandoned legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B15/00—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form
    • F26B15/10—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form with movement in a path composed of one or more straight lines, e.g. compound, the movement being in alternate horizontal and vertical directions
    • F26B15/12—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form with movement in a path composed of one or more straight lines, e.g. compound, the movement being in alternate horizontal and vertical directions the lines being all horizontal or slightly inclined
    • F26B15/18—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form with movement in a path composed of one or more straight lines, e.g. compound, the movement being in alternate horizontal and vertical directions the lines being all horizontal or slightly inclined the objects or batches of materials being carried by endless belts
    • 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

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  • Engineering & Computer Science (AREA)
  • Microbiology (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Biotechnology (AREA)
  • Molecular Biology (AREA)
  • Constitution Of High-Frequency Heating (AREA)
  • Compositions Of Oxide Ceramics (AREA)

Abstract

L'invention concerne un système convoyeur pour déplacer des produits entre des structures d'électrodes supérieure et inférieure d'un four haute fréquence. Une courroie métallique flexible, destinée à recevoir les produits à déplacer dans le four, forme une bande continue. La courroie métallique à une section s'étendant entre les structures d'électrodes du four. Un support de courroie à une partie supérieure métallique allongée dans une direction de déplacement des produits dans le four, faisant partie de la structure d'électrodes inférieure du four. Une couche de matériau électriquement isolant résistant à l'abrasion et à des arcs électriques et sur laquelle la section de la courroie glisse s'étend sur la partie supérieure. La section de la courroie, la partie supérieure métallique et la couche de matériau électriquement isolant forment un arrangement à effet capacitif propice à un transfert de courant haute-fréquence.The invention relates to a conveyor system for moving products between upper and lower electrode structures of a high frequency furnace. A flexible metal belt for receiving the products to be moved in the oven forms a continuous band. The metal belt has a section extending between the electrode structures of the furnace. A belt support has an elongated metal upper portion in a direction of movement of the products in the furnace, forming part of the lower electrode structure of the furnace. A layer of electrically insulating material resistant to abrasion and arcing and on which the section of the belt slides extends over the upper part. The section of the belt, the metallic upper part and the layer of electrically insulating material form a capacitive effect arrangement conducive to high-frequency current transfer.

Description

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Claims (21)

REVENDICATIONS 1. Système convoyeur pour déplacer des produits entre des structures d'électrodes supérieur et inférieur d'un four haute fréquence, le système convoyeur comprenant:
une courroie métallique flexible destinée à recevoir les produits à déplacer dans le four haute fréquence et formant une bande continue, la courroie métallique ayant une section s'étendant entre les structures d'électrodes du four haute fréquence; et un support de courroie ayant une partie supérieure métallique allongée dans une direction de déplacement des produits dans le four fréquence et faisant partie de la structure d'électrodes inférieure du four haute fréquence, et une couche de matériau électriquement isolant résistant à l'abrasion et à des arcs électriques, s'étendant sur la partie supérieure et sur laquelle la section de la courroie glisse, la section de la courroie, la partie supérieure métallique et la couche de matériau électriquement isolant formant un arrangement à effet capacitif propice à un transfert de courant haute-fréquence. 1. Conveyor system to move products between structures of upper and lower electrodes of a high frequency furnace, the system conveyor comprising:
a flexible metal belt to receive the products to move in the high frequency furnace and forming a continuous band, the belt metallic having a section extending between the electrode structures of the high oven frequency; and a belt support having an elongate metallic upper portion in a direction of moving products into the frequency oven and making part of the lower electrode structure of the high frequency furnace, and a layer of electrically insulating material resistant to abrasion and arcs electric, extending on the upper part and on which the section of the belt slip, the section of the belt, the metallic upper part and the layer of material electrically insulating arrangement forming a capacitive effect arrangement conducive to a transfer high-frequency current. 2. Le système convoyeur selon la revendication 1, dans lequel la courroie est faite en métal paramagnétique ou diamagnétique. 2. The conveyor system according to claim 1, wherein the belt is made of paramagnetic or diamagnetic metal. 3. Le système convoyeur selon la revendication 1, dans lequel le métal est un acier inoxydable austénitique de série 300. 3. The conveyor system according to claim 1, wherein the metal is a austenitic stainless steel 300 series. 4. Le système convoyeur selon la revendication 1, dans lequel la courroie a une surface inférieure substantiellement lisse. 4. The conveyor system according to claim 1, wherein the belt has a lower surface substantially smooth. 5. Le système convoyeur selon la revendication 1, dans lequel la courroie a une surface supérieure substantiellement lisse. The conveyor system according to claim 1, wherein the belt has a substantially smooth upper surface. 6. Le système convoyeur selon la revendication 1, dans lequel la courroie comporte des perforations reparties le long de la courroie. The conveyor system of claim 1, wherein the belt has perforations distributed along the belt. 7. Le système convoyeur selon la revendication 6, dans lequel les perforations forment un motif régulier le long de la courroie. The conveyor system according to claim 6, wherein the perforations form a regular pattern along the belt. 8. Le système convoyeur selon la revendication 1, dans lequel la partie supérieure métallique a une surface supérieure, et la couche de matériau électriquement isolant recouvre substantiellement la surface supérieure de la partie supérieure métallique. 8. The conveyor system according to claim 1, wherein the portion metal top has a top surface, and the layer of material electrically insulating material substantially covers the upper surface of the part metallic upper. 9. Le système convoyeur selon la revendication 1, dans lequel la couche de matériau électriquement isolant a un coefficient de friction favorisant un glissement de la courroie métallique flexible. The conveyor system of claim 1, wherein the layer of electrically insulating material has a coefficient of friction favoring a slip of the flexible metal belt. Le système convoyeur selon la revendication 1, dans lequel la couche de matériau électriquement isolant a une épaisseur substantiellement comprise entre 5 et 150 microns. The conveyor system of claim 1, wherein the layer of electrically insulating material has a thickness substantially between 5 and 150 microns. 11. Le système convoyeur selon la revendication 1, dans lequel le matériau électriquement isolant est choisi du groupe comprenant le nitrure de bore et l'oxyde d'aluminium. The conveyor system of claim 1, wherein the material electrically insulating is selected from the group comprising boron nitride and oxide aluminum. 12. Le système convoyeur selon la revendication 11, dans lequel l'oxyde d'aluminium est imprégné de particules de Téflon. The conveyor system of claim 11, wherein the oxide aluminum is impregnated with Teflon particles. 13. Le système convoyeur selon la revendication 1, dans lequel la partie supérieure métallique comprend une plaque d'aluminium. The conveyor system of claim 1, wherein the portion metallic upper includes an aluminum plate. 14. Le système convoyeur selon la revendication 1, dans lequel la partie supérieure métallique est faite en métal paramagnétique ou diamagnétique. 14. The conveyor system according to claim 1, wherein the portion metallic upper is made of paramagnetic or diamagnetic metal. 15. Le système convoyeur selon la revendication 1, dans lequel la partie supérieure métallique et la couche de matériau électriquement isolant comportent des perforations communes reparties le long du support de courroie. 15. The conveyor system according to claim 1, wherein the portion metallic upper and the layer of electrically insulating material include common perforations distributed along the belt support. 16. Le système convoyeur selon la revendication 1, dans lequel la partie supérieure métallique comporte des segments successif espaces les uns des autres dans la direction de déplacement des produits, les segments ayant des largeurs substantiellement plus grandes que des distances d'espacement entre les segments. 16. The conveyor system according to claim 1, wherein the portion upper metal has successive segments spaces any of the other in the direction of movement of the products, the segments having widths substantially larger than spacing distances between segments. 17. Le système convoyeur selon la revendication 1, dans lequel la couche de matériau électrique isolant et la section de courroie ont des zones de contact dont une superficie totale favorise une circulation du courant haute fréquence. 17. The conveyor system according to claim 1, wherein the layer of insulating electrical material and the belt section have contact areas a total area of which promotes high current circulation frequency. 18. Le système convoyeur selon la revendication 1, dans lequel la partie supérieure métallique est faite en métal choisi du groupe comprenant l'aluminium, un alliage d'aluminium, le cuivre, le laiton et les aciers inoxydables de série 300. 18. The conveyor system according to claim 1, wherein the portion metal top is made of selected metal from the group comprising aluminum, a aluminum alloy, copper, brass and stainless steels standard 300. 19. Le système convoyeur selon la revendication 1, dans lequel la couche de matériau électriquement isolant est obtenue par anodisation dure d'une surface supérieure de la partie supérieure métallique. 19. The conveyor system according to claim 1, wherein the layer of electrically insulating material is obtained by hard anodizing a surface upper part of the metal upper part. 20. Le système convoyeur selon la revendication 1, dans lequel le support de courroie a un arrangement substantiellement rigide portant la partie supérieure métallique. 20. The conveyor system according to claim 1, wherein the carrier of strap has a substantially rigid arrangement carrying the part higher metallic. 21. Le système convoyeur selon la revendication 1, dans lequel au moins un de la courroie métallique flexible et de la partie supérieure métallique est faite en un matériau à faible perméabilité magnétique et à conductivité électrique élevée par rapport à la couche de matériau électrique isolant. 21. The conveyor system according to claim 1, wherein at least one of the flexible metal strap and metal top is made in one material with low magnetic permeability and high electrical conductivity by relative to the layer of insulating electrical material.
CA 2775774 2012-04-26 2012-04-26 Conveyor system for high frequency furnace Abandoned CA2775774A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CA 2775774 CA2775774A1 (en) 2012-04-26 2012-04-26 Conveyor system for high frequency furnace
PCT/CA2013/050317 WO2013159230A1 (en) 2012-04-26 2013-04-25 Conveyor system for a high-frequency furnace

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA 2775774 CA2775774A1 (en) 2012-04-26 2012-04-26 Conveyor system for high frequency furnace

Publications (1)

Publication Number Publication Date
CA2775774A1 true CA2775774A1 (en) 2013-10-26

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CA 2775774 Abandoned CA2775774A1 (en) 2012-04-26 2012-04-26 Conveyor system for high frequency furnace

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CA (1) CA2775774A1 (en)
WO (1) WO2013159230A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106225455A (en) * 2016-08-24 2016-12-14 桂林浩新科技服务有限公司 A kind of auto-parts baking box that can comprehensively toast

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH282071A (en) * 1951-04-25 1952-04-15 Felber Norbert Method and device for baking baked goods.
US2807699A (en) * 1955-05-05 1957-09-24 Nat Cylinder Gas Co Conveyor assembly for dielectric heater
GB1486415A (en) * 1974-09-16 1977-09-21 Wira & Mather Method and means for drying objects of or containing textile fibres
US6417499B2 (en) * 2000-07-06 2002-07-09 Heatwave Drying Systems Ltd. Dielectric heating using inductive coupling
EP1340409A4 (en) * 2000-12-05 2004-06-09 Comdel Inc Rf energy conveyor oven

Also Published As

Publication number Publication date
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