EP2296979A1 - System and method for a sterilization chamber in a filling machine - Google Patents
System and method for a sterilization chamber in a filling machineInfo
- Publication number
- EP2296979A1 EP2296979A1 EP09758600A EP09758600A EP2296979A1 EP 2296979 A1 EP2296979 A1 EP 2296979A1 EP 09758600 A EP09758600 A EP 09758600A EP 09758600 A EP09758600 A EP 09758600A EP 2296979 A1 EP2296979 A1 EP 2296979A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- sterilization chamber
- liquid
- injectors
- filling machine
- water
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B55/00—Preserving, protecting or purifying packages or package contents in association with packaging
- B65B55/02—Sterilising, e.g. of complete packages
- B65B55/04—Sterilising wrappers or receptacles prior to, or during, packaging
- B65B55/06—Sterilising wrappers or receptacles prior to, or during, packaging by heat
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B55/00—Preserving, protecting or purifying packages or package contents in association with packaging
- B65B55/02—Sterilising, e.g. of complete packages
- B65B55/04—Sterilising wrappers or receptacles prior to, or during, packaging
- B65B55/10—Sterilising wrappers or receptacles prior to, or during, packaging by liquids or gases
- B65B55/103—Sterilising flat or tubular webs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B9/00—Enclosing successive articles, or quantities of material, e.g. liquids or semiliquids, in flat, folded, or tubular webs of flexible sheet material; Subdividing filled flexible tubes to form packages
- B65B9/10—Enclosing successive articles, or quantities of material, in preformed tubular webs, or in webs formed into tubes around filling nozzles, e.g. extruded tubular webs
- B65B9/20—Enclosing successive articles, or quantities of material, in preformed tubular webs, or in webs formed into tubes around filling nozzles, e.g. extruded tubular webs the webs being formed into tubes in situ around the filling nozzles
Definitions
- Blistering is a phenomenon where the aluminium foil separates from the cardboard of the packaging material, such that blisters are formed.
- the blisters can in severe cases burst, and this leads to a problem with the aseptic property of the packaging material, as food product comes in contact with the blistered area. Normally, this necessitates disposal of a part of the packaging material .
- the packages can only be discarded when they have been filled, and it thus also leads to disposal of food product. This waste should be minimized.
- Fig. 3 is a detailed view of a spray nozzle and its spray according to the invention.
- Fig. 7 is a schematical flowchart showing the air and liquid supply for operating the injectors in the system of the invention.
- the sterilization chamber 10 comprises rollers 12, 13 for guiding the web 50 back and forth in the chamber 10 in close proximity to at least one heating frame 14, see also Fig. 2.
- the heating frame 14 is supplied with several heating strips, which are indicated with 15 in Fig. 1, and these heating strips 15 are seen individually in Fig. 2. In Fig. 1, three substantially identical heating frames 14 are shown, but fewer or more frames 14 can be mounted, all having a plurality of heating strips 15.
- the injectors can in alternative embodiments have different spray angles, such that they cover an intended area. Sprays with a slightly less sheet-shaped appearance are suitable when several hot items are to be covered, which are located a slight distance apart.
- one injector 1 is placed at a higher level and towards the back of the sterilization chamber 10 (to the right in Fig. 1) . In this way, an upper part of the shield 16 can be affected by the spray from the injector 1, and the shield can be cooled down.
- the shield 16 is normally the hottest surface in the chamber 10.
- the first injector 1 can be arranged to also hit the heating frame 14 closest to the shield 16, which frame normally represents the second hottest element in the chamber 10.
- the air cap 103 is placed in a correspondingly shaped hole in the base 101, said hole being shaped to prevent rotation of the air cap 103, and the nozzle 104 is pressed against the air cap 103.
- the gasket 105 is placed on the outer part of the nozzle 104, and the house 102 is then mounted on the base 101 (with the sealing
- the house 102 is equipped with an air inlet 110 which leads to an annular channel 111, which is open to the left in Fig. 5.
- This channel 111 communicates, via holes in the gasket 105, with a corresponding ring-shaped channel 121 in the nozzle 104, in turn communicating with through-holes 121, substantially extending in the axial direction of the nozzle 104.
- the through-holes 121 of the nozzle open out into a space 130 between the air cap 103 and the nozzle 104.
- the pressure of the atomization air is about 1.5 bar gauge pressure.
- high temperature steam is supplied from the inlet 201 and through the first pipe 200 to the injectors 1, 2.
- the pressure of the steam is about 1.7 bar gauge pressure, and its temperature is about 130 0 C.
- the heat exchanger 202 is empty, thus not affecting the steam to the injectors.
- the steam comes in contact with the interior of the injectors, and kills all potential bacteria. All condensation during the sterilisation process is drained through the drain hole 112, leading to the drain pipe 220. The drained water is discharged through a steam trap 221, which lets liquid out while retaining the steam.
- the machine may need to be stopped in order to correct an error, or to adjust a setting, and the feeding of the packaging material is then interrupted.
- the hot parts of the filling machine 14, 15, 16 can then transfer heat to the packaging material, such that blistering can occur.
- the spray nozzles 1, 2 are used for spraying a liquid towards the hot internal parts, such as the shield 16, and the heating frames 14 with the heating strips 15, in order to cool down the hot parts and reduce the heat transfer to the packaging material web 50.
- this temperature is measured by the temperature sensor 31, and is used for controlling the duration of the spraying such that only the necessary amount of spray is injected. This temperature depends on various factors, such as web width, time since start-up etc.
- the temperature signal is sent via line 34 to the control unit 30, which in turn controls the injectors 1, 2.
- the control unit 30 can be the standard control system of the filling machine, or be a separate system. It is also possible to use output from other sensors, such as the concentration sensor 32 and/or the humidity sensor 33, as input for controlling the spray from the injectors 1, 2.
- the concentration sensor 32 can be used if hydrogen peroxide solution is used as the sprayed liquid
- the humidity sensor 33 can be used if sterile water is used as the sprayed liquid.
- the duration and/or the timing of the spray can then be controlled by the control unit 30, in response to the measured data from the sensors 31, 32 and 33.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Apparatus For Disinfection Or Sterilisation (AREA)
- Basic Packing Technique (AREA)
- Filling Of Jars Or Cans And Processes For Cleaning And Sealing Jars (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE0801290 | 2008-06-02 | ||
PCT/SE2009/000243 WO2009148373A1 (en) | 2008-06-02 | 2009-05-13 | System and method for a sterilization chamber in a filling machine |
Publications (3)
Publication Number | Publication Date |
---|---|
EP2296979A1 true EP2296979A1 (en) | 2011-03-23 |
EP2296979A4 EP2296979A4 (en) | 2013-10-09 |
EP2296979B1 EP2296979B1 (en) | 2014-11-12 |
Family
ID=41398316
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP09758600.2A Not-in-force EP2296979B1 (en) | 2008-06-02 | 2009-05-13 | System and method for a sterilization chamber in a filling machine |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP2296979B1 (en) |
CN (1) | CN101596953B (en) |
BR (1) | BRPI0913087A2 (en) |
RU (1) | RU2502649C2 (en) |
WO (1) | WO2009148373A1 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6592444B2 (en) * | 2013-12-20 | 2019-10-16 | テトラ ラバル ホールディングス アンド ファイナンス エス エイ | Sterilization unit with heater |
JP6724229B1 (en) * | 2019-12-12 | 2020-07-15 | テトラ ラバル ホールディングス アンド ファイナンス エス エイ | Sterilization spray method for filling machine and sterilization spray device |
EP4368525A1 (en) * | 2022-11-10 | 2024-05-15 | Tetra Laval Holdings & Finance S.A. | Sterilization apparatus, packaging machine having a sterilization apparatus and a method for sterilizing |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05330524A (en) * | 1992-05-21 | 1993-12-14 | Dainippon Printing Co Ltd | Method and device for cooling container conveying plate |
US6638476B1 (en) * | 1998-06-30 | 2003-10-28 | Tetra Laval Holdings & Finance S.A. | Packaging material sterilizing unit for a pourable food product packaging machine |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2928219A (en) * | 1957-03-26 | 1960-03-15 | Alpura Ag | Apparatus for sterile packaging sterile consumer goods |
US3911642A (en) * | 1972-09-22 | 1975-10-14 | Tetra Pak Int | Method for the sterile packing of a sterile material |
CH587153A5 (en) * | 1974-11-19 | 1977-04-29 | Alpura Koreco Ag | |
DE3029685A1 (en) * | 1980-08-06 | 1982-03-18 | Robert Bosch Gmbh, 7000 Stuttgart | METHOD AND DEVICE FOR STERILIZING CONTAINERS |
EP0962424A1 (en) * | 1998-06-05 | 1999-12-08 | SOLVAY (Société Anonyme) | Coated sodium percarbonate particles, process for their preparation, their use in detergent compositions and detergent compositions containing them |
US6752959B2 (en) * | 2001-10-05 | 2004-06-22 | Pepsico, Inc. | High-speed, low temperature sterilization and sanitization apparatus and method |
ES2335479T3 (en) * | 2002-02-08 | 2010-03-29 | TETRA LAVAL HOLDINGS & FINANCE SA | UNIT TO STERILIZE MATERIAL IN THE FORM OF A BAND IN A MACHINE FOR PACKAGING OF VERTIBLE FOOD PRODUCTS. |
SE524497C2 (en) * | 2002-12-13 | 2004-08-17 | Tetra Laval Holdings & Finance | sterilization device |
RU2299847C2 (en) * | 2004-02-16 | 2007-05-27 | Государственное образовательное учреждение высшего профессионального образования "Московский государственный университет пищевых производств" МО РФ | Method of and set for transfer and sterilization of empty bottles |
JP4654997B2 (en) * | 2006-07-24 | 2011-03-23 | 東洋製罐株式会社 | Sterilization method and filling system for containerized food |
-
2008
- 2008-10-10 CN CN200810167486.2A patent/CN101596953B/en active Active
-
2009
- 2009-05-13 RU RU2010154125/13A patent/RU2502649C2/en not_active IP Right Cessation
- 2009-05-13 EP EP09758600.2A patent/EP2296979B1/en not_active Not-in-force
- 2009-05-13 WO PCT/SE2009/000243 patent/WO2009148373A1/en active Application Filing
- 2009-05-13 BR BRPI0913087A patent/BRPI0913087A2/en not_active Application Discontinuation
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05330524A (en) * | 1992-05-21 | 1993-12-14 | Dainippon Printing Co Ltd | Method and device for cooling container conveying plate |
US6638476B1 (en) * | 1998-06-30 | 2003-10-28 | Tetra Laval Holdings & Finance S.A. | Packaging material sterilizing unit for a pourable food product packaging machine |
Non-Patent Citations (1)
Title |
---|
See also references of WO2009148373A1 * |
Also Published As
Publication number | Publication date |
---|---|
RU2010154125A (en) | 2012-07-20 |
EP2296979A4 (en) | 2013-10-09 |
RU2502649C2 (en) | 2013-12-27 |
WO2009148373A8 (en) | 2010-09-02 |
WO2009148373A1 (en) | 2009-12-10 |
EP2296979B1 (en) | 2014-11-12 |
CN101596953B (en) | 2015-04-15 |
CN101596953A (en) | 2009-12-09 |
BRPI0913087A2 (en) | 2015-10-13 |
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