EP0935111B1 - Procédé et dispositif de séchage de capsules biopolymères molles, notamment capsules de gélatine molle - Google Patents

Procédé et dispositif de séchage de capsules biopolymères molles, notamment capsules de gélatine molle Download PDF

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Publication number
EP0935111B1
EP0935111B1 EP19980810085 EP98810085A EP0935111B1 EP 0935111 B1 EP0935111 B1 EP 0935111B1 EP 19980810085 EP19980810085 EP 19980810085 EP 98810085 A EP98810085 A EP 98810085A EP 0935111 B1 EP0935111 B1 EP 0935111B1
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EP
European Patent Office
Prior art keywords
drying
capsules
pipe
accordance
drying pipe
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
EP19980810085
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German (de)
English (en)
Other versions
EP0935111A1 (fr
Inventor
Peter Greither
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.)
Swiss Caps Rechte und Lizenzen AG
Original Assignee
Swiss Caps Rechte und Lizenzen AG
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 Swiss Caps Rechte und Lizenzen AG filed Critical Swiss Caps Rechte und Lizenzen AG
Priority to DE59808446T priority Critical patent/DE59808446D1/de
Priority to EP19980810085 priority patent/EP0935111B1/fr
Publication of EP0935111A1 publication Critical patent/EP0935111A1/fr
Application granted granted Critical
Publication of EP0935111B1 publication Critical patent/EP0935111B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • F26B11/00—Machines or apparatus for drying solid materials or objects with movement which is non-progressive
    • F26B11/02—Machines or apparatus for drying solid materials or objects with movement which is non-progressive in moving drums or other mainly-closed receptacles
    • F26B11/04—Machines or apparatus for drying solid materials or objects with movement which is non-progressive in moving drums or other mainly-closed receptacles rotating about a horizontal or slightly-inclined axis
    • F26B11/0436—Machines or apparatus for drying solid materials or objects with movement which is non-progressive in moving drums or other mainly-closed receptacles rotating about a horizontal or slightly-inclined axis comprising multiple stages, e.g. multiple rotating drums subsequently receiving the material to be dried; Provisions for heat recuperation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B11/00—Machines or apparatus for drying solid materials or objects with movement which is non-progressive
    • F26B11/02—Machines or apparatus for drying solid materials or objects with movement which is non-progressive in moving drums or other mainly-closed receptacles
    • F26B11/04—Machines or apparatus for drying solid materials or objects with movement which is non-progressive in moving drums or other mainly-closed receptacles rotating about a horizontal or slightly-inclined axis
    • F26B11/0463—Machines or apparatus for drying solid materials or objects with movement which is non-progressive in moving drums or other mainly-closed receptacles rotating about a horizontal or slightly-inclined axis having internal elements, e.g. which are being moved or rotated by means other than the rotating drum wall
    • F26B11/0477—Machines or apparatus for drying solid materials or objects with movement which is non-progressive in moving drums or other mainly-closed receptacles rotating about a horizontal or slightly-inclined axis having internal elements, e.g. which are being moved or rotated by means other than the rotating drum wall for mixing, stirring or conveying the materials to be dried, e.g. mounted to the wall, rotating with the drum
    • F26B11/0481—Machines or apparatus for drying solid materials or objects with movement which is non-progressive in moving drums or other mainly-closed receptacles rotating about a horizontal or slightly-inclined axis having internal elements, e.g. which are being moved or rotated by means other than the rotating drum wall for mixing, stirring or conveying the materials to be dried, e.g. mounted to the wall, rotating with the drum the elements having a screw- or auger-like shape, or form screw- or auger-like channels

Definitions

  • the invention relates to a method and an apparatus for Drying capsules made of a biopolymer, in particular Soft gelatin capsules, according to the generic term of the independent Claims 1 and 3, respectively.
  • Capsules made of biopolymer material come in different Areas needed, especially in the pharmaceutical industry, in Food area etc.
  • the capsules contain depending on the Manufacturing method immediately after the encapsulation of the Ingredient has a relatively high moisture content and must therefore be subjected to a drying process.
  • the capsules were previously in a pre - dried tumbler consisting of a rotating and perforated drum. Through the perforated Drum wall is tempered (18 - 35 ° C) drying air blown until the capsule shell reaches the desired one Has moisture content. The final drying takes place then in tumblers or without moving the capsules on drying surfaces or drying belts.
  • Such one Drying process is for example in US-A-5,200,191 described.
  • Methods and devices for drying bulk goods such as e.g. Grains and the like are in a drying tube well known and in use for a long time.
  • a drying tube well known and in use for a long time.
  • the FR-A 550 717 a dryer with a rotary drive stored tube through which the drying material is continuous is feasible from the inlet to the outlet, in countercurrent Desiccant is carried through the tube.
  • the Dried goods are retained in a collection chamber and at the end of the drying process through the side of the drum taken.
  • FR-A 1 102 740 describes a method for simultaneous drying and cleaning of grain products.
  • the grain is slanted at the open end of a provided drying tube introduced.
  • the inner wall is constantly mixed Grain.
  • the drum can be viewed from the outside forth be heated with a heater. drying air is blown through the drum with the help of a fan.
  • a major disadvantage of these known methods is in that a continuous drying process is not is possible. While the capsule production is continuous or can be done in very short cycle times, must be discontinuous be dried, taking the dimension of the tumbler constructive limits are set. In addition, the Cleaning the perforated tumbler drums is complex and that Movement behavior of the capsules is during operation of the tumbler uncontrollable. It is therefore an object of the invention a method or an apparatus of the aforementioned Way to create capsules continuously and gently to be able to dry. The drying process should do this have a positive effect on the shape of the capsules and the The device is said to be easy to clean or easy to clean Batches can be converted. Finally, with the existing one Desiccant achieved the highest possible efficiency become.
  • this task is performed with a Method according to claim 1 and in device Regarded solved with a device according to claim 3.
  • the Drying tube rotating about its longitudinal axis also supports With the help of the mechanical conveying means arranged therein Capsules continuously from an inlet side to an outlet side.
  • the drying tube can thus be constantly fresh Capsules are loaded.
  • the drying agent, preferably tempered, dried air is in cocurrent or countercurrent to the capsules in the longitudinal direction through the Pipe led. This not only ensures a large inflow area on the capsules, but also allows one closed air flow and optimal energy evaluation.
  • the means of funding is advantageously a continuous one Auger.
  • individual feed blades be arranged on the inner pipe jacket. The pipe jacket is closed so that the capsules on a smooth as possible Unroll the surface and the drying agent is not between both pipe ends can escape.
  • the drying tube and preferably also the screw conveyor consist of plastic material.
  • Plastic pipes are as finished products in different diameters and Qualities available and can be easily edited and handle.
  • the screw conveyor can also formed by a web of plastic material be welded to the inner wall of the drying tube becomes.
  • the tube jacket of the drying tube can be at least one have closable opening through which the inside is easily accessible for cleaning purposes. If the lid this opening is made of transparent material also observe the material flow in the company.
  • the drying tube can be on one of several storage rolls existing bearing block, of which at least one is connected to a drive device.
  • the pipe is thus stored loosely and can be lifted out at any time.
  • the outer jacket of the Drying tube track grooves are provided, in which the Intervene bearing rollers.
  • the drying agent is rigid and coaxial to the Axis of rotation of the drying pipe arranged pipe socket fed and / or discharged to one end of the drying tube.
  • This will make the system as closed as possible achieved that the end of the drying tube with one each Pipe socket comprehensive cover is closed, on the Circumferential area a preferably circular segment-like opening is arranged that the pipe socket with a rigid, Provide faceplate running parallel to the cover which corresponds to the opening in the lid Area, leaving the aperture in the course of a Rotation of the drying tube the opening in the lid for the Temporarily releases the supply or for the removal of capsules.
  • This opening is preferably on the end or matched to the start of the screw conveyor.
  • the capsules are beneficial passed through several similar drying tubes, connected in series.
  • the drying agent can pass through the pipes in a closed system be performed.
  • a particularly space-saving arrangement results if there are several drying tubes of the same type on a rack are arranged at different levels and if the outlet side for the passage of the capsules a higher drying tube with the inlet side of a deeper drying tube is connected.
  • With drying pipes of more than 2 m in length and more than 0.3 m in inner diameter good results have been achieved.
  • the drying pipes were 4 m long and one Inner pipe diameter of 0.48 m.
  • the screw conveyor ordered over 34 aisles with a gradient of approx. 12 cm.
  • the material web the screw conveyor had a wall thickness of 2 mm. Baffles can still occur between the screw turns be arranged for the mixing of the capsules.
  • the described method and the described device are also particularly suitable for drying spherical Capsules because every single capsule in the drying tube covers a relatively long taxiway.
  • the spherical shape will so that with increasing drying it will be maintained even any existing deviations in the plastic Condition even balanced afterwards.
  • the drying tube 1a is about a horizontal longitudinal axis rotatably driven.
  • the drying tube is 1b parallel to the drying tube 1a, but a little lower, its longitudinal axis being inclined by approximately 5 degrees to the horizontal is.
  • the tubes could also both be horizontal be stored.
  • Both drying tubes are on storage rolls 8, which are each arranged in pairs.
  • the inlet side for the drying tube 1a is not visible in FIG. 1, however its outlet side 3 lies directly above the inlet side 2 of the lower drying tube 1b.
  • the capsules move in the direction of arrow a, making the transition into the lower drying tube 1b via a fixed connecting line 16 takes place. This protrudes into a conical one Inlet nozzle 22, which is arranged at the pipe end. Of the Inlet side 2 of the lower drying tube 1b Capsules against the inclination to the outlet side, not shown promoted.
  • each drying tube there is a screw conveyor on the inner wall 5 arranged, the worm gear having an inner diameter Si has.
  • the jacket of each drying tube has preferably at least two openings 6, as in FIG. 6 shown.
  • the lid 7 for this opening is under the curved the same radius as the pipe jacket.
  • the lid will advantageously fastened to the pipe jacket with quick-release means.
  • the screw conveyor 5 is also over guided the area of the opening 6, but not there with the Cover 7 connected.
  • the supply of gaseous drying agent 4 takes place in the Embodiment through a pipe socket 9, which has a certain distance protrudes into the drying tube la and the is rigidly arranged relative to this.
  • the inside diameter Si of the screw conveyor 5 is slight larger than the outside diameter of the connector 9.
  • a fan 10 serves as the supply source Pipe socket 9 is connected.
  • an aperture 13 On the inside of the cover is on the rigid pipe socket 9 an aperture 13 by means of a retaining collar 17 rotatably attached. A remains between the cover 11 and the cover 13 Air gap to avoid friction.
  • the aperture 13 has an opening area 14 which is in a certain Relative position according to Figure 3 is congruent with the Opening 12 in the lid 11.
  • the aperture 13 has the task of Close opening 12 over most of the turning range.
  • the lid opening 12 is covered more and more and last completely closed. This temporary exposure of the face of the drying tube is sufficient to the between to discharge capsules lying in two screw flights. On the the capsules can also be used in an intermittent manner exposed opening in the drying tube become. The desiccant outflow made possible is negligible.
  • Figure 5 shows schematically the storage of a drying tube la between two bearing rollers 8, 8 ', the roller 8' over a toothed belt or flat belt 21 with a drive wheel 20 connected is.
  • the bearing rollers can be in a track groove be guided so that an inclined pipe is not can slide sideways. Since the drying tube no more Has connection to the frame 15, it can be particularly easy be lifted out.
  • FIG. 7 shows an arrangement with several Drying pipes 1a to 1x, the side and height offset in a boom frame 15 rotatably mounted are.
  • the drying tubes are connected in series, so that in a relatively small space a relatively large one Total length for drying is achieved.
  • the capsules are fed on the inlet side 2 of the top drying tube 1a and on the outlet side 3 of the lowest drying tube Removed once.
  • the connection of the individual pipes takes place via inclined connecting lines, similar to Figure 1.
  • the drying air can also via rigid pipe sockets from one drying pipe to the next.
  • the Sealing on the end faces is also the same or similar to Figure 1. But one would also be conceivable Parallel connection of the pipes with regard to the passage the drying air.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Drying Of Solid Materials (AREA)

Claims (10)

  1. Procédé pour sécher des capsules molles en biopolymère, en particulier des capsules en gélatine molles, selon lequel les capsules sont soumises à un agent de séchage gazeux dans un corps creux en rotation autour de son axe longitudinal, caractérisé
    en ce que les capsules sont amenées au niveau d'un côté entrée (2) dans au moins un tube de séchage en rotation (1a) qui présente une enveloppe tubulaire fermée et une surface lisse sur le côté intérieur, le corps creux étant constitué par le tube de séchage,
    en ce que les capsules sont acheminées en continu, à l'aide de moyens d'acheminement mécaniques, sur le côté intérieur de l'enveloppe tubulaire, du côté entrée (2) jusqu'à un côté sortie (3) sur une longueur d'au moins 2 m
    et sont extraites du tube de séchage au niveau du côté sortie (3) par une ouverture (12) dégagée par intermittence,
    l'agent de séchage (4) traversant le tube avec un courant dans le même sens ou à contre-courant.
  2. Procédé selon la revendication 1, caractérisé en ce que les capsules traversent plusieurs tubes de séchage en rotation (1a, 1b) qui sont reliés en série, et en ce que l'agent de séchage (4) est apte à traverser le tube de séchage dans le sens longitudinal.
  3. Dispositif pour sécher des capsules molles en biopolymère, en particulier des capsules en gélatine molles, comprenant un corps creux (1a) qui est monté pour pouvoir être entraíné en rotation autour de son axe longitudinal et qui est destiné à recevoir les capsules, et une source d'alimentation pour l'amenée d'un agent de séchage gazeux (4) dans le corps creux, caractérisé
    en ce que le corps creux est constitué par au moins un tube de séchage (1a) avec une enveloppe tubulaire fermée et une surface lisse sur le côté intérieur, d'au moins 2 m de long,
    sur la paroi intérieure duquel sont disposés des moyens pour acheminer en continu les capsules d'un côté entrée (2) jusqu'à un côté sortie,
    en ce que l'agent de séchage est apte à être amené et évacué par l'intermédiaire d'une tubulure (9) rigide et coaxiale par rapport à l'axe de rotation du tube de rotation, à une extrémité du tube de séchage,
    en ce qu'une extrémité du tube de séchage est fermée grâce à un couvercle (11) qui entoure la tubulure (9) et sur la zone périphérique duquel est disposée une ouverture (12) de préférence en forme de segment de cercle,
    en ce que la tubulure (9) est pourvue d'un obturateur (13) rigide et parallèle au plan du couvercle (11), qui dégage une zone correspondant à l'ouverture (12) du couvercle,
    l'obturateur (13) dégageant temporairement l'ouverture du couvercle, au cours d'une rotation du tube de séchage, pour l'amenée et/ou l'évacuation de capsules.
  4. Dispositif selon la revendication 3, caractérisé en ce que le moyen pour acheminer les capsules est constitué par une vis sans fin (5).
  5. Dispositif selon la revendication 4, caractérisé en ce que le tube de séchage (1a) et la vis sans fin (5) sont en matière plastique et en ce que la vis sans fin est soudée à la paroi intérieure de l'enveloppe tubulaire.
  6. Dispositif selon l'une des revendications 3 à 5, caractérisé en ce que l'enveloppe tubulaire comporte au moins une ouverture (6) apte à être fermée.
  7. Dispositif selon l'une des revendications 3 à 6, caractérisé en ce que le tube de séchage est posé sur plusieurs rouleaux s'appui (8) dont un, au moins, est relié à un dispositif d'entraínement.
  8. Dispositif selon l'une des revendications 3 à 7, caractérisé en ce qu'il est prévu sur un châssis (15) plusieurs tubes de séchage de même type (1a, 1b) sur différents niveaux, et en ce qu'à chaque fois, pour le passage des capsules, le côté sortie d'un tube de séchage supérieur est relié au côté entrée d'un tube de séchage inférieur.
  9. Dispositif selon l'une des revendications 3 à 8, caractérisé en ce que le tube de séchage présente un diamètre intérieur de plus de 0,3 m.
  10. Dispositif selon les revendications 3 et 4, caractérisé en ce que la vis sans fin (5) comporte une hélice continue qui est définie par une nervure de matière et dont le diamètre intérieur est plus grand que le diamètre extérieur de la tubulure.
EP19980810085 1998-02-05 1998-02-05 Procédé et dispositif de séchage de capsules biopolymères molles, notamment capsules de gélatine molle Expired - Lifetime EP0935111B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE59808446T DE59808446D1 (de) 1998-02-05 1998-02-05 Verfahren und Vorrichtung zum Trocknen von Weichkapseln aus einem Biopolymer, insbesondere Weichgelatinekapseln
EP19980810085 EP0935111B1 (fr) 1998-02-05 1998-02-05 Procédé et dispositif de séchage de capsules biopolymères molles, notamment capsules de gélatine molle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP19980810085 EP0935111B1 (fr) 1998-02-05 1998-02-05 Procédé et dispositif de séchage de capsules biopolymères molles, notamment capsules de gélatine molle

Publications (2)

Publication Number Publication Date
EP0935111A1 EP0935111A1 (fr) 1999-08-11
EP0935111B1 true EP0935111B1 (fr) 2003-05-21

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EP19980810085 Expired - Lifetime EP0935111B1 (fr) 1998-02-05 1998-02-05 Procédé et dispositif de séchage de capsules biopolymères molles, notamment capsules de gélatine molle

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EP (1) EP0935111B1 (fr)
DE (1) DE59808446D1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104990379A (zh) * 2015-06-20 2015-10-21 浙江天龙胶丸有限公司 一种红外线胶囊烘干机
CN105352293B (zh) * 2015-11-17 2018-04-10 新昌县城南乡通辉机械厂 一种旋转式高效胶囊烘干装置
CN107202481A (zh) * 2017-06-07 2017-09-26 新昌县通辉机械有限公司 胶囊持续供料烘干装置
CN108662865A (zh) * 2018-06-19 2018-10-16 浙江富昌机械有限公司 全智能软胶囊干燥转笼系统
CN112856940A (zh) * 2021-01-08 2021-05-28 龚义红 一种胶囊装袋前处理无水分快速处理装置
CN113251762A (zh) * 2021-06-16 2021-08-13 华润三九（南昌）药业有限公司 一种便于取样的胶囊生产用智能干燥转笼

Family Cites Families (14)

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Publication number Priority date Publication date Assignee Title
US1338731A (en) * 1919-05-23 1920-05-04 Albert Blackburne Drier
FR550717A (fr) * 1922-04-27 1923-03-16 Sécheur rotatif
DE400121C (de) * 1923-02-24 1924-08-13 Daimler Motoren Staueinrichtung bei Trockentrommeln
GB259657A (en) * 1925-07-13 1926-10-13 Drake & Gorham Ltd Improvements in or relating to electric tea drying machines
US2311824A (en) * 1941-04-30 1943-02-23 Arthur G Gautreau Drying apparatus
US2412133A (en) * 1942-11-05 1946-12-03 Salem Engineering Company Drier
GB719719A (en) * 1951-12-20 1954-12-08 Jens Arthur Rondan Improvements in or relating to the drying of granular or pulverulent materials
FR1102740A (fr) * 1954-06-19 1955-10-25 Procédé pour le séchage et le nettoyage simultanés des céréales ou autres produits en grains et dispositif pour la mise en oeuvre du procédé
US2857684A (en) * 1956-04-12 1958-10-28 Edward Renneburg & Sons Compan Rotary cooler and dryer
AT313805B (de) * 1970-01-14 1974-03-11 Avril Arthur C Trocken- bzw. Entwässerungsanlage für Sand, Schotter od.dgl.
JPS63194699A (ja) * 1987-02-10 1988-08-11 松下電器産業株式会社 衣類乾燥装置
US5200191A (en) 1991-09-11 1993-04-06 Banner Gelatin Products Corp. Softgel manufacturing process
DE4221491C2 (de) * 1992-06-29 1994-09-29 Pohl Boskamp Gmbh Chem Pharma Verfahren zur Herstellung von Weichgelatinekapseln
US5361708A (en) * 1993-02-09 1994-11-08 Barnes Alva D Apparatus and method for pasteurizing and drying sludge

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DE59808446D1 (de) 2003-06-26
EP0935111A1 (fr) 1999-08-11

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