EP1983850A1 - Sechoir rotatif pour tabac en feuilles, en bandes ou hache - Google Patents
Sechoir rotatif pour tabac en feuilles, en bandes ou hacheInfo
- Publication number
- EP1983850A1 EP1983850A1 EP06807227A EP06807227A EP1983850A1 EP 1983850 A1 EP1983850 A1 EP 1983850A1 EP 06807227 A EP06807227 A EP 06807227A EP 06807227 A EP06807227 A EP 06807227A EP 1983850 A1 EP1983850 A1 EP 1983850A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- chamber
- tobacco
- dryer
- endpieces
- hot fluid
- 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
Classifications
-
- 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
Definitions
- the present invention relates to a rotary dryer for leaf, strip or shredded tobacco.
- Rotary dryers for shredded tobacco comprise a cylindrical chamber closed at its ends by two endpieces, to which a hot air entry conduit and a hot air exit conduit are connected respectively.
- Two systems, for feeding the tobacco to be dried and for discharging the dried tobacco respectively, are also connected to said endpieces.
- the shredded tobacco to be dried is fed into the drying chamber via the feed system.
- it is heated by the chamber wall, itself heated by a vapour jacket or by direct flame, and at the same time is subjected to the flow of the hot drying air, which can circulate within the chamber in co-current or counter-current flow, depending on the direction in which the fluid is fed thereinto.
- a drawback of said dryer is that the efficiency of the drying process is fairly low, in that the hot air flow has to pass through the entire drying chamber, and for evident practical reasons cannot have too high a velocity. Consequently the flow rate of the drying air is modest and the process efficiency is likewise modest.
- Figure 1 is a longitudinal schematic section through a rotary dryer according to the invention
- Figure 2 shows a variant thereof
- FIG 3 is a partial cross-section on the line Ill-Ill of Figure 1.
- the tobacco dryer of the invention comprises a cylindrical chamber 2 closed at its ends by two endpieces 4, 4' to which two exit conduits 6, 6' are connected for a hot drying fluid, which can be hot air or hot air mixed with hot vapour and/or steam.
- a pipe 14 is provided extending from one endpiece 4 to the other 4' and prolonging to the outside via a conduit 16 for entry of the hot drying fluid.
- This pipe is provided along its entire lateral surface with a plurality of apertures 18 to which tubes substantially perpendicular to the cylindrical surface of the pipe are applied.
- the pipe 14 can be rigid with the cylinder 2 and rotate with it, or be independent of the cylinder and remain at rest during its rotation, or rotate at a different speed.
- the cross-section of the hot fluid infeed conduit 16 is greater than the sum of the cross-sections of the apertures 18 of the pipe 14, so that this is able to form a plenum chamber, i.e. is filled with fluid under pressure when working normally.
- It can consist of a single tubular element or of two coaxial portions 14,
- the chamber 2 is mounted on adjustable structures (not shown in the drawings), able to maintain the chamber 2 with its axis horizontal or inclined by the desired angle.
Landscapes
- Drying Of Solid Materials (AREA)
- Manufacture Of Tobacco Products (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PL06807227T PL1983850T3 (pl) | 2005-10-17 | 2006-10-12 | Obrotowa suszarka do liści, pasków lub rozdrobnionego tytoniu |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT000051A ITVE20050051A1 (it) | 2005-10-17 | 2005-10-17 | Essicatore rotante per tabacco in foglia, in strips e trinciato.- |
| PCT/EP2006/067362 WO2007045606A1 (fr) | 2005-10-17 | 2006-10-12 | Sechoir rotatif pour tabac en feuilles, en bandes ou hache |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1983850A1 true EP1983850A1 (fr) | 2008-10-29 |
| EP1983850B1 EP1983850B1 (fr) | 2010-12-15 |
Family
ID=37687449
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP06807227A Not-in-force EP1983850B1 (fr) | 2005-10-17 | 2006-10-12 | Sechoir rotatif pour tabac en feuilles, en bandes ou hache |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP1983850B1 (fr) |
| AT (1) | ATE491353T1 (fr) |
| DE (1) | DE602006019001D1 (fr) |
| IT (1) | ITVE20050051A1 (fr) |
| PL (1) | PL1983850T3 (fr) |
| WO (1) | WO2007045606A1 (fr) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ITTV20090158A1 (it) * | 2009-08-06 | 2009-11-05 | Magg Consulting Srl | Essiccatore rotante per tabacco |
| CN102028304B (zh) * | 2009-09-27 | 2013-05-22 | 湖北中烟工业有限责任公司 | 保温筒和蒸汽薄板筒合用的二级式烘丝机 |
| DE102012210832A1 (de) * | 2012-06-26 | 2014-01-02 | Hauni Maschinenbau Ag | Trommeltrockner zum Trocknen von Tabak, und entsprechendes Trocknungsverfahren |
| CN102871210B (zh) * | 2012-09-25 | 2015-03-11 | 河南中烟工业有限责任公司 | 汽螺旋回潮机 |
| ES2821431T3 (es) | 2013-12-26 | 2021-04-26 | Japan Tobacco Inc | Método para producir material de tabaco y material de tabaco producido por dicho método de producción |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2436139C3 (de) | 1973-07-26 | 1983-12-08 | W.H. Dickinson Engineering Ltd., Southampton | Konditioniervorrichtung für Tabak |
| US3905123A (en) * | 1973-10-15 | 1975-09-16 | Industrial Nucleonics Corp | Method and apparatus for controlling a tobacco dryer |
| GB8523168D0 (en) * | 1985-09-19 | 1985-10-23 | Dickinson Eng Ltd W H | Tobacco conditioner |
| US4887619A (en) * | 1986-11-28 | 1989-12-19 | R. J. Reynolds Tobacco Company | Method and apparatus for treating particulate material |
| GB8806597D0 (en) * | 1988-03-19 | 1988-04-20 | Gbe International Plc | Vacuum steam atmosphere drier |
| US6286515B1 (en) * | 2000-02-17 | 2001-09-11 | Philip Morris Incorporated | Humidification cylinder |
-
2005
- 2005-10-17 IT IT000051A patent/ITVE20050051A1/it unknown
-
2006
- 2006-10-12 EP EP06807227A patent/EP1983850B1/fr not_active Not-in-force
- 2006-10-12 PL PL06807227T patent/PL1983850T3/pl unknown
- 2006-10-12 WO PCT/EP2006/067362 patent/WO2007045606A1/fr not_active Ceased
- 2006-10-12 AT AT06807227T patent/ATE491353T1/de not_active IP Right Cessation
- 2006-10-12 DE DE602006019001T patent/DE602006019001D1/de active Active
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2007045606A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| EP1983850B1 (fr) | 2010-12-15 |
| ITVE20050051A1 (it) | 2007-04-18 |
| WO2007045606A1 (fr) | 2007-04-26 |
| PL1983850T3 (pl) | 2011-05-31 |
| DE602006019001D1 (de) | 2011-01-27 |
| ATE491353T1 (de) | 2011-01-15 |
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