EP0204097A2 - Procédé de transport de produits fermentescibles - Google Patents
Procédé de transport de produits fermentescibles Download PDFInfo
- Publication number
- EP0204097A2 EP0204097A2 EP86104478A EP86104478A EP0204097A2 EP 0204097 A2 EP0204097 A2 EP 0204097A2 EP 86104478 A EP86104478 A EP 86104478A EP 86104478 A EP86104478 A EP 86104478A EP 0204097 A2 EP0204097 A2 EP 0204097A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- tank container
- product
- steam
- sterile
- place
- 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
Images
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
- B65B55/10—Sterilising wrappers or receptacles prior to, or during, packaging by liquids or gases
Definitions
- the invention relates to a method for the transport of fermentation-sensitive products which are subject to microbiological spoilage, in particular natural juices, which are stored sterile at the place of production after being made available and then filled into tank containers in which the product is transported to the place of processing or consumer and unloaded there. is stored and / or processed.
- the product especially fruit juices or the like, brought by tank containers by road or rail from the place of production to the place of consumption or processing.
- the product stored sterile at the production site, is filled into tank containers and cooled to around 0 ° C during transport to prevent fermentation or microbiological spoilage.
- this method has the disadvantage that the goods in the tank container have to be cooled during the entire transport.
- the tank container itself is not sterile, so the product must be made sterile again at the place of production before it can be processed.
- the costs for cooling during transport and treatment of the product before processing have an unfavorable effect on the overall costs.
- the product is filled into small containers or cans at the place of production.
- This packaging can be made sterile and the transport can usually be carried out in freezer containers.
- this method is also disadvantageous in terms of cost, since high packaging costs are incurred.
- the tank container is subjected to a steam application before the product is filled and thereby made sterile and then the sterile stored product in the tank container is filled, after which the product is unloaded in unchanged sterile condition after being transported to the processor or consumer. Due to the sterile treatment of the tank container, the product is kept sterile continuously from the place of production to the place of consumption and can go into production without further treatment at the place of processing.
- the invention is based on the consideration that when transporting a sensitive product, for example a product sensitive to fermentation or subject to microbiological spoilage, the cooling required during transport, which is correspondingly complex, can be dispensed with if the tank container itself is sterile and that Product is filled in sterile.
- the invention now shows a solution as to how this goal can be achieved, the additional advantage resulting from the fact that the product can go into production at the consumer or processing site without further treatment.
- a tank container 1 is shown schematically, which has a dome 2 with a dome cover 3 on the top.
- a vacuum valve 4, see FIG. 3, and a pressure relief valve 5, see FIG. 2 are also arranged on the top of the tank container 1.
- a supply line 9 for the supply of steam and sterile air can be connected to the connecting piece 7.
- a product line 15 can be connected to the connecting piece 11, through which the product to be transported in the tank container 1 is filled. Drain valves 16 are arranged on the product line 15, preferably at their ends, through which liquid collecting in the product line can be drained.
- the product line 15 has a branch 17 with a termination member 18, e.g. a terminating valve, the connecting piece 19 of which enables the connection of the feed line 9 (shown in dashed lines).
- the product line 15 can be connected at the end opposite the tank container 1 to a continuous-flow heater 20, which enables brief heating and subsequent cooling of the product to be filled into the tank container 1.
- the instantaneous water heater 20 is provided on the inlet and outlet sides with one termination element each, for example one End valve 21 provided.
- the feed line 9 can be connected to a filter unit 25.
- the filter unit 25 is equipped with a steam filter 26 and with a sterile air filter 27, which two filters on the inlet side by means of a closing element 28, 29, e.g. are provided by a terminating valve, to the connecting piece 30, 31 of which a steam source (not shown) or an air source (not shown) is connected.
- the filters 26, 27 are connected on the outlet side to a line 32 or 33 and these lines come together in front of a connection 34 to which the feed line 9 can be connected. Between the filters 26, 27 there is a connection in the form of a connecting line 35 with a terminating element 36, e.g. a flap valve provided.
- each of the filters 26, 27 has a pressure indicator 38.
- a pressure display device 40 can also be connected to the product line 15.
- the pressure relief valve 5 shown in FIG. 2 has a valve body 42 provided with a union nut 41, onto which a valve cover 43 is screwed.
- a closing body is fastened to a valve rod 45, which together with a valve piston 46 form a guide for the closing body 44 in the valve cover 43.
- the valve rod 45 and the valve piston 46 are sealed by means of soft seals, for example 0-ring seals, with respect to the valve cover 43, a closing spring 49 being arranged in the interior of the valve cover 43 and pressing the closing body 44 onto the valve seat 39 arranged in the valve body 42.
- the valve body 42 So that the valve 5 can be fastened tightly on the tank container 1, the valve body 42 has a cone seat 50 which is inserted into a corresponding counter cone on the tank container 1 and is screwed onto the union nut 41.
- the vacuum valve 4 shown in FIG. 3 has a valve body 51, which is composed of several parts and forms a tubular body, at the lower end of which a closing body 52 is mounted by means of a valve rod 53 in a guide 55 provided with bores 54 and under the action a closing spring 56 stands.
- a closing body 52 In order to bring the vacuum valve 4 into the open position shown in FIG. 2, it is necessary to push a blocking rod 57 mounted on the valve body 51 in the direction of the arrow 58, whereby the closing body 52 is opened against the action of the closing spring 56.
- the closing body 52 has a soft seal 59 for sealing on the valve seat, e.g. a 0-ring on.
- a sterile air filter 60 is placed, which cleans any air that may enter the tank container 1 when there is negative pressure.
- 61 shows a sterile air filter in the form of a filter candle, which can be placed on the closure member 6 for emptying the tank container 1 so that it can be opened to accelerate the emptying of the tank container 1 under sterile conditions.
- a source of steam and an air must be provided at the place of manufacture of the product.
- the tank container 1 is first cleaned and checked for damage, whereupon the dome 2 is firmly closed with the dome lid 3. Now the function of the vacuum valve 4 is checked and this is brought into the open position shown in FIG. 3; the sterile air Filter 60 is firmly screwed onto valve body 51.
- closure member 6 is opened and its connecting piece 7 is connected to the feed line 9.
- the other end of the feed line 9 is connected to the connection 34 of the filter unit 25 and at the same time the closure member 36 of the connection line 35 is opened.
- throttled steam of about 1 bar gauge pressure is introduced through the steam filter 26 and through the feed line 9 into the tank container 1.
- the bottom end member 10 on the tank container 1 is throttled until the pressure relief valve 5 responds. Since the vacuum valve 4 is open, the steam can flow out there and thereby sterilize the filter 60.
- the tank container 1 is subjected to steam for 60-80 minutes, the temperature of the condensate collecting at the closure member 10 being said to have a temperature of over 92 °. This can be achieved without difficulty because the tank container 1 is surrounded by effective insulation (not shown).
- the closure member 36 in the connecting line 35 of the filter unit 25 is closed.
- the closing element 28 of the steam filter 26 is slowly closed and the closing element 29 of the sterile air filter 27 is slowly opened, as a result of which sterile air of about 1 bar excess pressure reaches the tank container 1 via the feed line 9.
- the tank container 1 is cooled by the air supply, the air supply having to be so abundant that the pressure relief valve 5 during the entire air blowing process appeals.
- the vacuum valve 4 is closed here. Only shortly before the end of the blowing process is it opened for approx. 5 minutes by pushing the blocking rod 57 forward so that the outflowing hot air dries the sterile air filter.
- the parts through which the product is conducted into the container 1 must also be made sterial.
- the feed line 9 can be used, which is connected to the connecting piece 19 of the product line 15.
- the product line 15 can also be supplied with steam via the branch 17, the flow heater 20 also being supplied at the same time. This steam application takes about 15-25 minutes, while the steam application to the continuous-flow heater 20 takes considerably longer, about 80-100 minutes.
- the resulting condensate is discharged via the drain valves 16 in the product line 15.
- the product which is already stored in sterile form, is sifted out before entering the tank container 1 in the continuous-flow heater 20 for a short-term heating with subsequent cooling, so that the product has a temperature on the closing element 10 when it enters the tank container 1 of just a few degrees above 20 ° C.
- the tank container is now filled against the compressed air cushion of 0.5 - 1.0 bar according to the opening pressure of the pressure relief valve 5. Since the tank containers usually used have a content of 23,000 - 24,000 liters, the filling process takes about 3 hours at a filling capacity of approx. 7,000 kg per hour. Although the tank container is still at a higher temperature than the product, the overall temperature of the product only increases slightly due to the large volume, about 1 ° C.
- the bottom end member 10 is closed and its connecting piece 11 is firmly closed by a cap 12.
- the tank container 1 can be brought to the consumer location by rail or road transport. Thanks to the sterilization of the tank container and the product before filling, it can be sent directly to production. However, the product can also be stored sterile at the consumer site and at the producer site and then processed as required.
- the treatment of the tank container 1 described enables the product to be brought unchanged from the place of production to the place of consumption without special measures, such as e.g. cooling, would have to be provided. This ensures that the product remains sterile from the place of production to the place of consumption, which makes it possible to easily transport fermentation-sensitive products or other sensitive products over long distances.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Apparatus For Disinfection Or Sterilisation (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH151785A CH665533A5 (de) | 1985-04-09 | 1985-04-09 | Verfahren zum transport von gaerempfindlichen fluessigen produkten. |
| CH1517/85 | 1985-04-09 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP0204097A2 true EP0204097A2 (fr) | 1986-12-10 |
| EP0204097A3 EP0204097A3 (en) | 1989-02-15 |
| EP0204097B1 EP0204097B1 (fr) | 1992-01-22 |
Family
ID=4212291
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP86104478A Expired - Lifetime EP0204097B1 (fr) | 1985-04-09 | 1986-04-02 | Procédé de transport de produits fermentescibles |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP0204097B1 (fr) |
| CH (1) | CH665533A5 (fr) |
| DE (1) | DE3683539D1 (fr) |
| ES (1) | ES8705752A1 (fr) |
-
1985
- 1985-04-09 CH CH151785A patent/CH665533A5/de not_active IP Right Cessation
-
1986
- 1986-03-11 ES ES552873A patent/ES8705752A1/es not_active Expired
- 1986-04-02 DE DE8686104478T patent/DE3683539D1/de not_active Expired - Fee Related
- 1986-04-02 EP EP86104478A patent/EP0204097B1/fr not_active Expired - Lifetime
Non-Patent Citations (3)
| Title |
|---|
| Die Grundlagen der Verfahrenstechnik in der Lebensmittelindustrie; H. Mohler (1969) * |
| Encyclopedia of Chemical Technology; Kirk-Othmer Vol. 21, (1983) * |
| Lehrbuch der pharmazeutischen Technologie; R. Voi (1984) * |
Also Published As
| Publication number | Publication date |
|---|---|
| DE3683539D1 (de) | 1992-03-05 |
| ES8705752A1 (es) | 1987-05-16 |
| ES552873A0 (es) | 1987-05-16 |
| EP0204097B1 (fr) | 1992-01-22 |
| CH665533A5 (de) | 1988-05-31 |
| EP0204097A3 (en) | 1989-02-15 |
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