EP0519173A1 - Procédé pour le conditionnement en continu, notamment pour le conditionnement thermique de matière particulaire, de préférence matière particulaire végétale comme les céréales, les herbes, le tabac ou analogues - Google Patents

Procédé pour le conditionnement en continu, notamment pour le conditionnement thermique de matière particulaire, de préférence matière particulaire végétale comme les céréales, les herbes, le tabac ou analogues Download PDF

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Publication number
EP0519173A1
EP0519173A1 EP92106304A EP92106304A EP0519173A1 EP 0519173 A1 EP0519173 A1 EP 0519173A1 EP 92106304 A EP92106304 A EP 92106304A EP 92106304 A EP92106304 A EP 92106304A EP 0519173 A1 EP0519173 A1 EP 0519173A1
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EP
European Patent Office
Prior art keywords
conditioning station
conditioning
jet
particulate material
openings
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
Application number
EP92106304A
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German (de)
English (en)
Other versions
EP0519173B1 (fr
Inventor
Franz Dipl.-Ing. Sagemüller
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.)
Franz Sagemueller GmbH
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Franz Sagemueller GmbH
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Application filed by Franz Sagemueller GmbH filed Critical Franz Sagemueller GmbH
Publication of EP0519173A1 publication Critical patent/EP0519173A1/fr
Application granted granted Critical
Publication of EP0519173B1 publication Critical patent/EP0519173B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
    • F26B21/004—Nozzle assemblies; Air knives; Air distributors; Blow boxes
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
    • A24B3/00—Preparing tobacco in the factory
    • A24B3/04—Humidifying or drying tobacco bunches or cut tobacco
    • 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
    • F26B17/04—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 all horizontal or slightly inclined
    • 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
    • F26B17/26—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed by reciprocating or oscillating conveyors propelling materials over stationary surfaces; with movement performed by reciprocating or oscillating shelves, sieves, or trays

Definitions

  • the invention relates to a method for continuous conditioning, in particular thermal conditioning, such as cooling, heating, drying, damping or the like, of bulk goods, preferably vegetable bulk goods, such as cereals, herbs, tobacco or the like, in the bulk goods along a through a closed tunnel-like conditioning station leading transport path is continuously mechanically conveyed and in the conditioning station is exposed to the action of an essentially gaseous heat transfer medium supplied to the conditioning station through at least one opening.
  • thermal conditioning such as cooling, heating, drying, damping or the like
  • the object of the invention is to improve a method for conditioning bulk material.
  • the heat transfer medium is sharply bundled as it passes the opening and is then deflected as a free jet through the bulk material such that an all-round deflection of the jet is generated on a wall opposite the opening of the conditioning station the deflected parts of the jet are sucked down and back into the effective area of the free jet by the pumping action of the free jet and that the bulk material is compressed between the negative pressure area of the upward free jet in a movement perpendicular to the free jet.
  • the bulk material to be conditioned is optimally exposed to the essentially gaseous heat transfer medium.
  • the bulk material is mixed and swirled intensively in upward, downward and sideways movements together with the overlapping movement of the mechanical conveying.
  • the bulk material is brought into the desired uniform condition.
  • the compression that occurs advantageously brings about a reduction in the escape of the heat transfer medium from the conditioning station, because a compressed area of the bulk material can act like a plug closing the tunnel-like conditioning station.
  • the process according to the invention is particularly advantageous in that the transported bulk material can be used as a heat carrier, catalyst or active ingredient in a chemical reaction with respect to the blown-in medium.
  • An advantageous measure which has a particularly advantageous effect when drying bulk goods, is to suck off the blown-in heat carriers loaded with moisture from the bulk goods, dehumidify the heat carriers and blow them in again.
  • a compressor compressed and heated air are fed to a heat exchanger, in which cooling and dehumidification take place.
  • the dehumidified air can then be blown into the conditioning station to exert its effect on the bulk material.
  • the use of at least one of the walls of the conditioning station as a heat exchanger is particularly expedient because the heat released for cooling and dehumidification reaches the bulk material directly and without the supply of special external energy for its conditioning, e.g. Drying, contributes.
  • the air cooled and thus dehumidified in the heat exchanger can also be reheated in a second heat exchanger before being blown into the conditioning station.
  • the second heat exchanger can e.g. heat generated by external energy is supplied so that hot and dry air is used in the conditioning station.
  • the air absorbs moisture from the bulk material, is sucked off and fed back to the compressor, after which it is blown in again after dehumidification. After compression and cooling, condensate extraction of e.g. allows bulk goods to be dried.
  • the intermediate heating in the second heat exchanger can also be added or can be switched off.
  • Tobacco especially with certain types of tobacco, e.g. Tobacco leaves, be particularly advantageous to blow free jets directed against each other from below and from above against the sieve belt at the same time, such that the jets directed against each other collide and dissolve approximately in the plane of the sieve belt.
  • the tobacco leaves lying on the sieve belt remain largely still on the sieve belt and are only brought into intensive contact with the heat transfer medium, which means e.g. mechanical damage to the blades can be prevented.
  • openings that blow free jets are moved back and forth.
  • the openings or the Laval nozzles can be arranged on carrier elements which are driven in an oscillating or oscillating manner by mechanical means.
  • the entire tunnel-like conditioning station, in the walls of which there are openings or nozzles, can also be used swing while the conveyor belt passing through remains at rest.
  • the individual nozzles that blow off a free jet can e.g. be arranged in the horizontally hollow spars of a rectangular frame which is transverse to the conveyor belt, the conveyor belt extending through the frame.
  • the nozzles in the lower and upper spar of the frame face each other, so that the free jets blowing off a pair of nozzles collide against each other approximately in the middle between the two spars.
  • the free jet effect in this area is canceled and bulk material to be conditioned can be conveyed through this area lying on the conveyor belt designed as a sieve belt, perforated belt or the like.
  • Corresponding movable bearings of the frames allow the frames to be unidirectionally, e.g. to move across the conveyor belt.
  • a vibrating or vibrating device can be used for this.
  • the tunnel-like conditioning station comprises a floor 1, a ceiling 2 and side walls 3 and 3 '(FIG. 2), only the side wall 3 being visible here.
  • An angle profile 4 is placed under the bottom 1.
  • the chamber 5 enclosed by the bottom 1 and the angular profile 4 can be charged with heat transfer medium.
  • the opening 6 shown here In the bottom 2 is the opening 6 shown here, which is designed as a Laval nozzle. Due to the excess pressure prevailing in the chamber 5 when the heat transfer medium is introduced, the heat transfer medium is pressed out of the opening 6.
  • Bulk material that is to be conditioned passes through the conditioning station in the channel delimiting by the floor 1, ceiling 2 and side walls 3, 3 'in the direction indicated by the arrow 7.
  • the mechanical conveying takes place e.g. by vibratory conveyance, for which purpose the entire conditioning station can be designed in the manner of an vibratory conveyor.
  • the heat transfer medium When passing through the opening 6, the heat transfer medium is sharply bundled and then deflected as a free jet 8 through the bulk material, displacing the bulk material in such a way that an all-round deflection of the jet 8 is produced on the ceiling 2 of the conditioning station opposite the opening 6.
  • the deflected parts of the jet are sucked down and back into the effective area of the free jet by the pumping action of the free jet, as indicated by the dashed arrows.
  • the bulk material between the negative pressure area 9 of the upward free jet 8 and the overpressure area of the downward parts of the jet 8 is at right angles to the free jet 8 directional movement condensed and at the same time brought into intensive contact with the heat transfer medium.
  • FIG. 2 shows a top view of the detail of the conditioning station according to FIG. 1 with the blanket removed. Openings 6, 6 'and 6' 'are arranged in a row transversely to the conveying direction indicated by arrow 7 through the conditioning station.
  • the free rays blown out of the openings which are directed perpendicularly out of the plane of the drawing, strike the ceiling, not shown, and are deflected radially in the direction of the arrows 10 on the ceiling.
  • the effective areas of the deflected parts of the free rays are indicated by circles 11. Of course, the effective areas indicated by the circles 11 can also overlap.
  • FIG. 3 shows a schematic side view of a device for conditioning bulk material.
  • the bulk material is fed to the conditioning station via a shaft 12.
  • the conditioning station is tunnel-like and is delimited at the top by a ceiling 2 and by side walls 3 and a floor formed by an inserted floor plate 1 '.
  • Above the bottom plate 1 ' runs an upper run 13 of a conveyor belt designed as a sieve belt, which is steered and driven via the end deflection rollers 14 and 14'. With 15 and 15 'support rollers for the upper run 13 and lower run of the conveyor belt are designated.
  • the bulk material entered through the shaft 12 is conveyed from the upper run 13 of the conveyor belt through the conditioning station and, at the end of the conditioning station, is passed in the finished condition to a discharge device 16 (not shown).
  • a heat transfer medium heated air suitable for drying bulk goods, for example
  • the sharply focused heat transfer medium emerges from the openings 6 as a free jet 8 and, as described above, strikes the ceiling 2 of the conditioning station.
  • the free jet is blown from below through the upper run 13 of the conveyor belt designed as a sieve belt.
  • the angle profiles 4 visible under the openings 6 are again provided for the supply of the heat transfer medium.
  • the bottom plate 1 ' is angled downward in the region between two openings 6, as shown here, as a result of which a collecting chamber 17 is formed.
  • An intake pipe 18 of an intake device opens into each collection chamber 17, via which air can be drawn in from the conditioning station and thus also from the bulk material.
  • the sucked-in air is fed via the exhaust air line 19 to a compressor (not shown further).
  • the extracted air is compressed by the compressor and heated in the process.
  • the heated air is fed from the compressor to a heat exchanger via a feed line 20 (FIG. 4).
  • the air is dehumidified in the heat exchanger.
  • the heat exchanger is formed by pockets 22 located in the ceiling 2 of the conditioning station.
  • the dehumidified air is supplied to the chambers 5 under the openings 6 and again enters the conditioning station as a sharply focused free jet 8 through the openings 6 in order to come into intensive contact with the bulk material. The air again absorbs moisture from the bulk material, which is thereby dried.
  • FIG. 4 shows a view of the device according to FIG. 3 in the Section along the line IV-IV in Fig. 3.
  • the same components are denoted by the same reference numerals.
  • Fig. 4 shows that the air supplied by the compressor after cooling and dehumidifying and passing the condensate drain 21 passes through a second heat exchanger 23, which is supplied with heat and, if necessary, condensate is discharged again, so that the coming to the openings 6, Air to be blown dry and heated is entered into the conditioning station.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Drying Of Solid Materials (AREA)
  • Manufacture Of Tobacco Products (AREA)
  • Preparation Of Fruits And Vegetables (AREA)
EP92106304A 1991-06-15 1992-04-11 Procédé pour le conditionnement en continu, notamment pour le conditionnement thermique de matière particulaire, de préférence matière particulaire végétale comme les céréales, les herbes, le tabac ou analogues Expired - Lifetime EP0519173B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4119787A DE4119787A1 (de) 1991-06-15 1991-06-15 Verfahren zum fortlaufenden konditionieren, insbesondere thermischen konditionieren, von schuettguetern, vorzugsweise pflanzlichen schuettguetern, wie getreide, kraeuter, tabak oder dergleichen
DE4119787 1991-06-15

Publications (2)

Publication Number Publication Date
EP0519173A1 true EP0519173A1 (fr) 1992-12-23
EP0519173B1 EP0519173B1 (fr) 1996-03-13

Family

ID=6434029

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92106304A Expired - Lifetime EP0519173B1 (fr) 1991-06-15 1992-04-11 Procédé pour le conditionnement en continu, notamment pour le conditionnement thermique de matière particulaire, de préférence matière particulaire végétale comme les céréales, les herbes, le tabac ou analogues

Country Status (6)

Country Link
EP (1) EP0519173B1 (fr)
AT (1) ATE135169T1 (fr)
DE (2) DE4119787A1 (fr)
DK (1) DK0519173T3 (fr)
ES (1) ES2086019T3 (fr)
GR (1) GR3020021T3 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120060386A1 (en) * 2009-02-04 2012-03-15 Holmes George A Low Impact Belt Dryer
CN111578673A (zh) * 2020-06-09 2020-08-25 济源市阳光兔业科技有限公司 一种用于兔饲料生产的烘干设备
CN112539637A (zh) * 2020-12-11 2021-03-23 江苏长能节能新材料科技有限公司 连续干燥六羟甲基三聚氰胺的方法
CN114322460A (zh) * 2021-12-20 2022-04-12 湖南中医药大学 一种智能圆盘中药烘干机构

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19625338C2 (de) * 1996-06-25 2003-07-03 Hollstein Gmbh Lueftungs Klima Anlage zur Lagerung und Konditionierung von fasrigen Produkten, insbesondere von aufbereitetem Tabak
JP2007533939A (ja) 2003-08-19 2007-11-22 ビューラー・アクチエンゲゼルシャフト 米を連続的に乾燥する方法と装置
DE102017120626A1 (de) * 2017-09-07 2019-03-07 Hauni Maschinenbau Gmbh Konditionieren von Tabak

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2151844A1 (de) * 1971-10-19 1973-04-26 Hauni Werke Koerber & Co Kg Verfahren und vorrichtung zum konditionieren von tabak
US4109394A (en) * 1977-01-05 1978-08-29 Wolverine Corporation Material treatment system
DE3702768A1 (de) * 1987-01-30 1988-08-11 Sagemueller Franz Gmbh Vorrichtung zum trocknen loser schuettmengen feingeschnittener pflanzenteile, insbesondere tabak
GB2203929A (en) * 1987-04-24 1988-11-02 Koerber Ag Apparatus for conditioning tobacco and like fibrous materials

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AT195446B (de) * 1953-12-08 1958-02-10 Zellwolle Lenzing Ag Verfahren und Vorrichtung zum kontinuierlichen Kühlen oder Erwärmen oder zur kontinuierlichen chemischen Behandlung, insbesondere Sulfidierung von Alkalizellulose
DE1094078B (de) * 1956-12-22 1960-12-01 Miag Muehlenbau & Ind Gmbh Verfahren und Vorrichtung zum Vorbereiten von vorgewaermtem Getreide
US3229617A (en) * 1961-04-07 1966-01-18 Altman Russell Stacy Grain and bean cooker
US3198729A (en) * 1962-01-02 1965-08-03 Socony Mobil Oil Co Inc Continuous conversion of hydrocarbons with sensitive catalyst
DE2007588B2 (de) * 1970-02-19 1975-08-07 Holtz & Willemsen Gmbh, 4150 Krefeld Verfahren zur Behandlung von Leguminosesamen und Vorrichtung zur Durchführung dieses Verfahrens
US3861058A (en) * 1972-12-18 1975-01-21 California Pellet Mill Co Fluidized bed grain processor
DE3325967C2 (de) * 1983-07-19 1985-10-24 NEOTEC Gesellschaft für Nahrungsmittelverfahrenstechnik mbH & Co KG, 2000 Norderstedt Fördernde Wirbelschicht-Vorrichtung
DE3616630A1 (de) * 1986-05-16 1987-11-19 Krupp Polysius Ag Kuehlvorrichtung
JPS6352845A (ja) * 1986-08-20 1988-03-07 Shinmei Seisakusho:Kk 穀物の圧扁フレ−クの製造法及びその装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2151844A1 (de) * 1971-10-19 1973-04-26 Hauni Werke Koerber & Co Kg Verfahren und vorrichtung zum konditionieren von tabak
US4109394A (en) * 1977-01-05 1978-08-29 Wolverine Corporation Material treatment system
DE3702768A1 (de) * 1987-01-30 1988-08-11 Sagemueller Franz Gmbh Vorrichtung zum trocknen loser schuettmengen feingeschnittener pflanzenteile, insbesondere tabak
GB2203929A (en) * 1987-04-24 1988-11-02 Koerber Ag Apparatus for conditioning tobacco and like fibrous materials

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120060386A1 (en) * 2009-02-04 2012-03-15 Holmes George A Low Impact Belt Dryer
US8806771B2 (en) * 2009-02-04 2014-08-19 George A. Holmes Low impact belt dryer
CN111578673A (zh) * 2020-06-09 2020-08-25 济源市阳光兔业科技有限公司 一种用于兔饲料生产的烘干设备
CN112539637A (zh) * 2020-12-11 2021-03-23 江苏长能节能新材料科技有限公司 连续干燥六羟甲基三聚氰胺的方法
CN114322460A (zh) * 2021-12-20 2022-04-12 湖南中医药大学 一种智能圆盘中药烘干机构

Also Published As

Publication number Publication date
DE59205641D1 (de) 1996-04-18
DE4119787A1 (de) 1992-12-17
ES2086019T3 (es) 1996-06-16
ATE135169T1 (de) 1996-03-15
GR3020021T3 (en) 1996-08-31
DK0519173T3 (da) 1996-07-08
EP0519173B1 (fr) 1996-03-13

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