FR2475201A1 - Conveyor belt for dryer - consists of horizontal belts arranged vertically and staggered to allow product from top belt to fall on one underneath - Google Patents
Conveyor belt for dryer - consists of horizontal belts arranged vertically and staggered to allow product from top belt to fall on one underneath Download PDFInfo
- Publication number
- FR2475201A1 FR2475201A1 FR8002882A FR8002882A FR2475201A1 FR 2475201 A1 FR2475201 A1 FR 2475201A1 FR 8002882 A FR8002882 A FR 8002882A FR 8002882 A FR8002882 A FR 8002882A FR 2475201 A1 FR2475201 A1 FR 2475201A1
- Authority
- FR
- France
- Prior art keywords
- conveyor
- drive
- belt
- bands
- fact
- 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.)
- Granted
Links
- 238000001035 drying Methods 0.000 claims description 7
- GHASVSINZRGABV-UHFFFAOYSA-N Fluorouracil Chemical compound FC1=CNC(=O)NC1=O GHASVSINZRGABV-UHFFFAOYSA-N 0.000 claims 1
- 229940001981 carac Drugs 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 235000013311 vegetables Nutrition 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/02—Applications of driving mechanisms, not covered by another subclass
-
- 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
- F26B17/00—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement
- F26B17/02—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed by belts carrying the materials; with movement performed by belts or elements attached to endless belts or chains propelling the materials over stationary surfaces
- F26B17/08—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed by belts carrying the materials; with movement performed by belts or elements attached to endless belts or chains propelling the materials over stationary surfaces the belts being arranged in a sinuous or zig-zag path
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Drying Of Solid Materials (AREA)
Abstract
Description
La présente invention a trait aux appareils de séchage comprenant une etuve dans laquelle un convoyeur, constitué par une combinaison de bandes transporteuses sans fin ajourées et disposées en étages, assure la circulation des produits à sécher à l'intérieur de ladite étuve. The present invention relates to drying apparatus comprising an oven in which a conveyor, constituted by a combination of endless conveyor belts perforated and arranged in stages, ensures the circulation of the products to be dried inside said oven.
Ces appareils, destinés à secher plus particulièrement des fruits ou des legumes, en en faisant evacuer la plus grande part du volume d'eau qu'ils retiennent, ont connu ces dernières années des améliorations techniques qui, outre le fait de parfaire la qualité de séchage, visent plus précisément à réduire la consommation d'énergie nécessaire à l'obtention de cette qualite de séchage. Parmi ces améliorations techniques, nous citerons pour exemples
- l'alimentation sélective des appareils en fonction de la grosseur des produits à sécher ;
- et la régulation thermique du dispositif de ventilation de l'étuve sur les différents étages du convoyeur pour moduler la température de séchage des produits au cours de leur traitement.These devices, intended to dry more particularly fruits or vegetables, by evacuating most of the volume of water which they retain, have known in recent years technical improvements which, in addition to perfecting the quality of drying, aim more precisely to reduce the energy consumption necessary to obtain this quality of drying. Among these technical improvements, we will cite as examples
- selective feeding of the appliances according to the size of the products to be dried;
- And the thermal regulation of the ventilation device of the oven on the different stages of the conveyor to modulate the drying temperature of the products during their treatment.
Selon les mêmes objectifs, l'invention a pour objet un dispositif d'entraînement des bandes transporteuses du convoyeur, mpntées chacune sur deux rouleaux dont llun est moteur et l'autre tendeur et qui consiste essentiellement à pourvoir la dernière bande transporteuse des étages inférieurs, d'un entrainement autonome, indépendant de celui des autres bandes. According to the same objectives, the subject of the invention is a device for driving the conveyor belts of the conveyor, each mounted on two rollers, one of which is a motor and the other of which is tensioner and which essentially consists in providing the last conveyor belt on the lower floors, autonomous training, independent of that of other bands.
Dans le contexte de l'invention, le terme " entraînement employé seul , signifie l'ensemble des moyens qui produisent et transmettent à la bande transporteuse, le mouvement rotatif de son rouleau moteur. Ces moyens comprennent notamment un variateur permettant de modifier la vitesse de rotation dudit rouleau moteur. In the context of the invention, the term "drive used alone" means all of the means which produce and transmit to the conveyor belt, the rotary movement of its drive roller. These means include in particular a variator making it possible to modify the speed of rotation of said drive roller.
De ce fait, en jouant sur la vitesse de rotation du rouleau moteur de la dernière bande transporteuse du convoyeur, on pourra modifier la vitesse de défilement de la bande et, par conséquent, le temps de passage des produits en fin de traitement , en fonction de leur état et notamment en fonction du volume d'eau qu'ils sont encore susceptibles de retenir. Therefore, by playing on the speed of rotation of the drive roller of the last conveyor belt of the conveyor, it will be possible to modify the speed of movement of the belt and, consequently, the time of passage of the products at the end of treatment, depending their condition and in particular according to the volume of water that they are still likely to retain.
Les temps de passage des produits à sécher pourront être également modulés sur les différents étages du convoyeur en adoptant une des combinaisons originales du dispositif d'entraînement objet de l'invention. The passage times of the products to be dried can also be modulated on the different stages of the conveyor by adopting one of the original combinations of the drive device which is the subject of the invention.
Ces combinaisons, ainsi que leurs caractéristiques et leurs avantages, ressortiront à la lecture de la description qui suit,- donnant, à titre d'exemples non limitatifs et en regard des dessins annexés, divers modes de réalisation concrete du dispositif d'entraînement d'un convoyeur conforme -à l'invention. These combinations, as well as their characteristics and their advantages, will emerge on reading the description which follows, - giving, by way of nonlimiting examples and with reference to the appended drawings, various concrete embodiments of the drive device. a conveyor according to the invention.
Sur ces dessins, les figures 1, 2, 3, 4 et 5 sont des vues schématiques en coupe verticale longitudinale d'un convoyeur comportant sept bandes transporteuses et représenté hors de l'étuve avec laquelle il constitue l'appareil de séchage proprement dit. In these drawings, FIGS. 1, 2, 3, 4 and 5 are schematic views in longitudinal vertical section of a conveyor comprising seven conveyor belts and represented outside the oven with which it constitutes the drying apparatus proper.
Chacune de ces vues-illustre une combinaison originale du dispositif d'entraînement de ce convoyeur.Each of these views illustrates an original combination of the drive device of this conveyor.
Ce dernier, tel que celui qui est décrit et représen-té dans le brevet français nO 2.401.393, au nom de la demanderesse, comprend sept bandes transporteuses sans fin superposees 1, 2, 3, 4, 5, 6 et 7, montées chacune sur deux rouleaux dont l'un est moteur ( la, 2a, 3a, 4a, 5a, 6a, 7a ) et l'autre tendeur ( lb, 2b, 3b, 4b, 5b, 6b, 7b). Ces bandes dont la surface porteuse est ajourée pour autoriser le passage diun gaz chaud entre les produits, font circuler lesdits produits dans l'étuve en s'alimentant les unes les autres, de l'étage supérieur du- convoyeur où est disposée la bande l,à l'étage inférieur où est disposee la bande 7. The latter, such as that which is described and represented in French patent no. 2,401,393, in the name of the applicant, comprises seven endless conveyor belts 1, 2, 3, 4, 5, 6 and 7, mounted each on two rollers, one of which is motor (la, 2a, 3a, 4a, 5a, 6a, 7a) and the other tensioner (lb, 2b, 3b, 4b, 5b, 6b, 7b). These bands, the carrier surface of which is perforated to allow the passage of hot gas between the products, circulate said products in the oven by feeding one another, from the upper stage of the conveyor where the band l is placed. , on the lower floor where band 7 is located.
Selon une realisation préférée de l'invention, les deux bandes 1 et 2 de l'étage supérieur sont entraînées dans le même sens ( flèches 51 et S2) et sont alimentes en produits humides par deux trémies non représentées mais symbolisées par les flèches
A1 et A2
Il est à noter que les bandes 3, 4, 5, 6, et 7 sont entraînées à contre-sens l'une par rapport à l'autre ( flèches S3, S4, S5, S6 et S7) pour permettre la gravitation des produits. d'une bande à l'autre, évoquée ci-dessus et illustrée par les flèches
A3, A4, A5, A6 et A7.According to a preferred embodiment of the invention, the two bands 1 and 2 of the upper stage are driven in the same direction (arrows 51 and S2) and are supplied with wet products by two hoppers not shown but symbolized by the arrows
A1 and A2
It should be noted that the bands 3, 4, 5, 6, and 7 are driven in the opposite direction to one another (arrows S3, S4, S5, S6 and S7) to allow the gravitation of the products. . from one strip to another, mentioned above and illustrated by the arrows
A3, A4, A5, A6 and A7.
Dans un premier mode d'exécution du dispositif d'entraînement de l'invention, les rouleaux moteurs la et 2a -sont mûs par deux entraînements autonomes El et E2 ( figures 1, et 4 ) pour obtenir des vitesses de défilement variables entre le-s deux premieres bandes 1 et 2. Ainsi, lorsque les produits sont calibrés en fonction de leur grosseur et répartis sélectivement sur les deux bandes 1 et 2 au moyen des deux trémies d'alimentation A1 et A2, il est possible de faire subir aux produits de petit calibre un séchage de plus courte durée que celui auquel sont soumis les produits de gros calibre et ce, -en accélérant la vitesse de défilement de la bande qui est alimentée en produits de petit calibre. In a first embodiment of the drive device of the invention, the driving rollers 1a and 2a are moved by two autonomous drives El and E2 (FIGS. 1 and 4) to obtain variable running speeds between the s first two bands 1 and 2. Thus, when the products are calibrated according to their size and distributed selectively over the two bands 1 and 2 by means of the two feed hoppers A1 and A2, it is possible to subject the products of small caliber drying of shorter duration than that to which the large caliber products are subjected and this, by accelerating the running speed of the strip which is supplied with small caliber products.
Dans un deuxième mode d'exécution du dispositif d'entraînement de l'invention, les rouleaux moteurs la et 2a sont mûs par le même entraînement El ( figures 2 et 5 ) et ce, au moyen d'une chaîne 8 ou 9 transmettant le mouvement de rotation du rouleau la au rouleau 2a, ce qui a pour effet d'imposer aux deux bandes 1 et 2 une vitesse de défilement identique. Ce deuxième mode d'exécution est choisi , de préférence , lorsque les produits ne sont pas au préalable sélectivement répartis sur les deux premières bandes en fonction de leur volume. In a second embodiment of the drive device of the invention, the driving rollers 1a and 2a are moved by the same drive El (FIGS. 2 and 5) and this, by means of a chain 8 or 9 transmitting the rotation movement of the roller 1a to the roller 2a, which has the effect of imposing on the two strips 1 and 2 an identical running speed. This second embodiment is preferably chosen when the products are not previously selectively distributed over the first two strips as a function of their volume.
Différentes variantes d'accouplement entre les rouleaux moteurs la, 2a, 3a, 4a, 5a, 6a et 7a, qui vont être énumérées ciaprès en se référant aux dessins des figures 1, 2, 3, 4 et 5, seront déterminées en tenant compte
- d'une part, du choix de l'une ou de l'autre des formules d'execution ci-dessus décrites,
- et d'autre part, de l'effort moteur demandé à chacun des rouleaux la, 2a, 3a, 4a, 5a , 6a et 7a.Different variants of coupling between the driving rollers 1a, 2a, 3a, 4a, 5a, 6a and 7a, which will be listed below with reference to the drawings of Figures 1, 2, 3, 4 and 5, will be determined taking into account
- on the one hand, the choice of one or the other of the execution formulas described above,
- And on the other hand, the engine force required from each of the rollers 1a, 2a, 3a, 4a, 5a, 6a and 7a.
La première variante , illustrée par la figure 1, comprend sept entraînements autonomes E1, E2, E3, E4, E5, E6 et E7 couplés respectivement sur les rouleaux moteurs la, 2a, 3a,4a,5a, 6a et 7a et qui offrent une modulation de la vitesse de défilement de chacune des bandes 1,2,3,4,5,6 et 7. The first variant, illustrated by FIG. 1, comprises seven autonomous drives E1, E2, E3, E4, E5, E6 and E7 coupled respectively on the driving rollers la, 2a, 3a, 4a, 5a, 6a and 7a and which offer a modulation of the running speed of each of the bands 1,2,3,4,5,6 and 7.
La deuxième variante, illustrée par la figure 2, comprend six entrainem-ents autonomes E1,E3, E4, E5 , E6, et E7 couplés respectivement sur les rouleaux moteurs la, 3a, 4a, 5a, 6a et 7a et qui offrent une modulation de la vitesse de défilement de chacune des bandes 1,3,4,5,6 et 7, la chaine 8 transmettant le mouvement de rotation du rouleau moteur la au rouleau moteur 2a. The second variant, illustrated in FIG. 2, comprises six autonomous drives E1, E3, E4, E5, E6, and E7 coupled respectively on the driving rollers la, 3a, 4a, 5a, 6a and 7a and which offer modulation of the running speed of each of the bands 1, 3, 4, 5, 6, 6 and 7, the chain 8 transmitting the rotational movement of the driving roller 1a to the driving roller 2a.
La troisième variante , illustrée par la figure 3, comprend cinq entraînements autonomes E1, E2, E3, E6 et E7 couples respectivement sur les rouleaux moteurs la, 2a,3a,6a et 7a et qui offrent une modulation de la vitesse de défilement de chacune des bandes 1,2,3, 6 et 7. Une chaîne 10 transmet le mouvement de rotation du rouleau moteur 2a au rouleau moteur 4a et une chaîne 11 le mouvement de rotation du rouleau moteur 3a au rouleau moteur 5a. The third variant, illustrated by FIG. 3, comprises five autonomous drives E1, E2, E3, E6 and E7 couples respectively on the driving rollers la, 2a, 3a, 6a and 7a and which offer a modulation of the running speed of each bands 1, 2, 3, 6 and 7. A chain 10 transmits the rotational movement of the drive roller 2a to the drive roller 4a and a chain 11 transmits the rotation movement of the drive roller 3a to the drive roller 5a.
La quatrième variante , illustrée par la figure 4, comprend quatre entraînements autonomes E1, E2, E3 et E7 couplés respecti vement sur les rouleaux moteurs la,2a, 3a et 7a et qui offrent une modulation de la vitesse de défi-lement de chacune des bandes 1,2,3 et 7. Une chaîne 12 transmet le mouvement de rotation du rouleau moteur 2a aux rouleaux moteurs a et 6a et la chaine 11 le mouvement de ro-tation du rouleau moteur 3a au rouleau moteur 5a. The fourth variant, illustrated by FIG. 4, comprises four autonomous drives E1, E2, E3 and E7 coupled respectively on the driving rollers la, 2a, 3a and 7a and which offer a modulation of the deflection speed of each of the bands 1,2,3 and 7. A chain 12 transmits the rotational movement of the drive roller 2a to the drive rollers a and 6a and the chain 11 the rotational movement of the drive roller 3a to the drive roller 5a.
La cinquième variante , illustrée par la figure 5, comprend trois entraînements autonomes E1, E3 et E7 couplés respectivement sur les rouleaux moteurs, la, 3a et 7a et qui offrent une modulation de la vitesse de defilement de chacune des bandes 1, 3 et 7. The fifth variant, illustrated by FIG. 5, comprises three autonomous drives E1, E3 and E7 coupled respectively on the driving rollers, la, 3a and 7a and which offer a modulation of the running speed of each of the bands 1, 3 and 7 .
La chaîne 9 transmet le mouv-ement de rotati-on du rouleau moteur la aux rouleaux moteurs 2a, 4a et 6a et la chaîne 11 le mouvement de rotation du rouleau moteur 3a au rouleau-moteur 5a.The chain 9 transmits the rotational movement of the drive roller 1a to the drive rollers 2a, 4a and 6a and the chain 11 the rotational movement of the drive roller 3a to the drive roller 5a.
Bien entendu, l'invention n'est pas limitée aux modes de réa- lisation ci-dessus décrits et representés, mais comprend toute modification conforme à son esprit. Of course, the invention is not limited to the embodiments described above and shown, but includes any modification in accordance with its spirit.
Claims (6)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8002882A FR2475201B1 (en) | 1980-02-06 | 1980-02-06 | CONVEYOR DRIVE DEVICE FOR DRYING APPARATUS |
| YU00284/81A YU28481A (en) | 1980-02-06 | 1981-02-03 | Moving mechanism of transporter for drying chamber |
| ES499806A ES8201727A1 (en) | 1980-02-06 | 1981-02-05 | Conveyor belt for dryer - consists of horizontal belts arranged vertically and staggered to allow product from top belt to fall on one underneath |
| IT47740/81A IT1142291B (en) | 1980-02-06 | 1981-02-06 | IMPROVEMENT IN DRYING APPLIANCES |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8002882A FR2475201B1 (en) | 1980-02-06 | 1980-02-06 | CONVEYOR DRIVE DEVICE FOR DRYING APPARATUS |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2475201A1 true FR2475201A1 (en) | 1981-08-07 |
| FR2475201B1 FR2475201B1 (en) | 1986-04-25 |
Family
ID=9238410
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8002882A Expired FR2475201B1 (en) | 1980-02-06 | 1980-02-06 | CONVEYOR DRIVE DEVICE FOR DRYING APPARATUS |
Country Status (4)
| Country | Link |
|---|---|
| ES (1) | ES8201727A1 (en) |
| FR (1) | FR2475201B1 (en) |
| IT (1) | IT1142291B (en) |
| YU (1) | YU28481A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105768142A (en) * | 2016-04-26 | 2016-07-20 | 施婷婷 | Rotary drying type vegetable dehydration system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1493756A (en) * | 1966-07-22 | 1967-09-01 | Continuous conveyor dehydration furnace | |
| AU3007167A (en) * | 1967-11-20 | 1969-05-29 | Marshalls Tea Machinery Company Limited | Improvements in and relating to tea-drying machines |
| FR2372401A1 (en) * | 1976-11-29 | 1978-06-23 | Raffinerie Tirlemontoise Sa | Multistage hot gas dryer for conveyed bulk prod. - recovers low grade waste heat from industrial process, used e.g. in sugar refineries |
| FR2401393A1 (en) * | 1977-08-24 | 1979-03-23 | Aquitaine Union Tech | DRYING UNIT |
-
1980
- 1980-02-06 FR FR8002882A patent/FR2475201B1/en not_active Expired
-
1981
- 1981-02-03 YU YU00284/81A patent/YU28481A/en unknown
- 1981-02-05 ES ES499806A patent/ES8201727A1/en not_active Expired
- 1981-02-06 IT IT47740/81A patent/IT1142291B/en active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1493756A (en) * | 1966-07-22 | 1967-09-01 | Continuous conveyor dehydration furnace | |
| AU3007167A (en) * | 1967-11-20 | 1969-05-29 | Marshalls Tea Machinery Company Limited | Improvements in and relating to tea-drying machines |
| FR2372401A1 (en) * | 1976-11-29 | 1978-06-23 | Raffinerie Tirlemontoise Sa | Multistage hot gas dryer for conveyed bulk prod. - recovers low grade waste heat from industrial process, used e.g. in sugar refineries |
| FR2401393A1 (en) * | 1977-08-24 | 1979-03-23 | Aquitaine Union Tech | DRYING UNIT |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105768142A (en) * | 2016-04-26 | 2016-07-20 | 施婷婷 | Rotary drying type vegetable dehydration system |
Also Published As
| Publication number | Publication date |
|---|---|
| ES499806A0 (en) | 1981-12-16 |
| IT1142291B (en) | 1986-10-08 |
| IT8147740A0 (en) | 1981-02-06 |
| FR2475201B1 (en) | 1986-04-25 |
| YU28481A (en) | 1988-04-30 |
| ES8201727A1 (en) | 1981-12-16 |
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| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |