CN1216770C - Apparatus and method for heat treating food products in plastic bags - Google Patents
Apparatus and method for heat treating food products in plastic bags Download PDFInfo
- Publication number
- CN1216770C CN1216770C CN 99816755 CN99816755A CN1216770C CN 1216770 C CN1216770 C CN 1216770C CN 99816755 CN99816755 CN 99816755 CN 99816755 A CN99816755 A CN 99816755A CN 1216770 C CN1216770 C CN 1216770C
- Authority
- CN
- China
- Prior art keywords
- container
- food
- exch
- perfusion liquid
- 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 - Fee Related
Links
- 235000013305 food Nutrition 0.000 title claims abstract description 21
- 229920003023 plastic Polymers 0.000 title claims abstract description 10
- 239000004033 plastic Substances 0.000 title claims abstract description 10
- 238000000034 method Methods 0.000 title claims abstract description 8
- 239000007788 liquid Substances 0.000 claims abstract description 19
- 230000010412 perfusion Effects 0.000 claims abstract description 19
- 238000009928 pasteurization Methods 0.000 claims description 6
- 238000000926 separation method Methods 0.000 claims description 2
- 238000007789 sealing Methods 0.000 claims 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 5
- 239000012530 fluid Substances 0.000 abstract 1
- 238000007669 thermal treatment Methods 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 description 3
- 235000013324 preserved food Nutrition 0.000 description 3
- 239000011888 foil Substances 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- 240000004713 Pisum sativum Species 0.000 description 1
- 235000016816 Pisum sativum subsp sativum Nutrition 0.000 description 1
- 240000008042 Zea mays Species 0.000 description 1
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 description 1
- 235000002017 Zea mays subsp mays Nutrition 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 235000005822 corn Nutrition 0.000 description 1
- 235000011389 fruit/vegetable juice Nutrition 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
Landscapes
- Food Preservation Except Freezing, Refrigeration, And Drying (AREA)
Abstract
The invention relates to a device and a method for the thermal treatment of food in plastic containers, in such a way that: after filling with food and pouring, the plastic container is sealed, but two tubes are introduced into the container to circulate the pouring liquid. These tubes are connected to the secondary circuit of the heat exchanger by means of a pump. A flow of hot water or hot water is provided in the primary loop so that the perfusion fluid in the vessel, pump, tube and heat exchanger is simultaneously warmed. Cold water is provided on the primary loop of the heat exchanger to cool down the food product in the container.
Description
In canned food industry, mainly adopt two kinds of packing-bottles and jar (glass with metallo-container).People adopt as possible novel being used to pack plastic material for preserved food, for example multilayer and various paillon foils heat resistanceheat resistant.These materials have the advantage being convenient to cut out-can produce large-sized unit (units).Traditional packing-glass and tin-plate-since machinery with the former of finance thus be not suitable for these purposes.One side from market, to large-sized-and cheaply-demand of canned food, come from supply industry (hospital, school, dining room, or the like).
Problem is that traditional technology also is not suitable for the large-sized unit of heating (and being cooling subsequently), and these units also provide needed temperature in can central authorities.We are careful, and asptic technique adopts the paillon foil (also being used for big industrial unit) of multilayer, but only is used for aqueous food for example inspissated juice and catsup, and for polylith shape product (for example gerkhin), these technology just have been not suitable for.
Heat treatment in this patent, solve in the following manner: after having filled food and having poured into, with regard to sealed plastic container, but there are two pipes to be introduced in the container, so that (the used hole of pipe is positioned at the gauge target top of perfusion liquid to make the perfusion liquid circulation, and the end of pipe is below this gauge target), these holes should be less than the diameter of pipe so that closely.These pipes are connected with the secondary loop of H Exch by a pump.Hot water or vapours are provided on elementary loop, make the perfusion liquid in container, pump, pipe and the H Exch simultaneously warm.When loop seal ground in perfusion liquid place was closed, the perfusion liquid in container, pump, pipe and the H Exch was pasteurized simultaneously.On the elementary loop of H Exch, disposed cold water, food is cooled down.Carried out just pipe being removed after the pasteurization, even the container under the hole of existing side by side seals once again, to get rid of the infected possibility of preservation product.
According to a first aspect of the present invention, a kind of pasteurization device of food product is provided, it comprises the pump on H Exch, the H Exch secondary loop, and the pipe of metallo-or plastics, it is characterized in that: described pipe connects H Exch, pump and food containers, described pipe is suitable for introducing container so that perfusion liquid circulates, and the perfusion liquid in container, pump, pipe and the H Exch is a hermetic separation.
According to a second aspect of the present invention, a kind of method that in above-mentioned pasteurising plant the food in the plastic container is pasteurized is provided, it is characterized in that: make the perfusion liquid circulation in the container that food is housed, pipe introduced in the container so that the perfusion liquid circulation, and by on the elementary loop of H Exch, providing high temperature or low temperature to raise and the temperature that reduces perfusion liquid.
Certainly, on the secondary loop of H Exch, can carry out pasteurization to a plurality of containers simultaneously.
Illustrated technology can be used to food is being lower than preservation under the temperature of 100 for low Ph value.During carrying out furnace run, the container that food is housed is placed compactor (autoclave), pressure can strengthen to such an extent that make perfusion liquid be unlikely to boiling.In this way, just can under the temperature more than the 100, handle, also can make food (green pea, corn) keep high Ph value (sterilization).
During handling, the work of pump is controlled by the temperature that institute's heat requirement is provided in the container.Before beginning processing, the pipe in the secondary loop should dewater, and makes the perfusion liquid in the container keep stable level.Container after the completion should be placed in the carboard (bag is the formula packing in box) that prevents to tear.
Claims (5)
1. the pasteurization device of a food product, it comprises the pump on H Exch, the H Exch secondary loop, and the pipe of metallo-or plastics, it is characterized in that: described pipe connects H Exch, pump and food containers, described pipe is suitable for introducing container so that perfusion liquid circulates, and the perfusion liquid in container, pump, pipe and the H Exch is a hermetic separation.
2. device according to claim 1 is characterized in that: the container that food is housed is placed in pressure sealing vessel or the autoclave, pressure in the vessel is strengthened and reduces.
3. method that in the described device of claim 1, the food in the plastic container is pasteurized, it is characterized in that: make the perfusion liquid circulation in the container that food is housed, pipe introduced in the container so that the perfusion liquid circulation, and by on the elementary loop of H Exch, providing high temperature or low temperature to raise and the temperature that reduces perfusion liquid.
4. method as claimed in claim 3 is characterized in that: container is placed in pressure sealing vessel or the autoclave, simultaneously, strengthens and reduce pressure in the pressure sealing vessel, the temperature of perfusion liquid is reached more than the 100.
5. as claim 3 or 4 described methods, it is characterized in that: container is sealed after pasteurization, so that obtain being sealed in the food of the pasteurization in the container.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99816755 CN1216770C (en) | 1999-06-23 | 1999-06-23 | Apparatus and method for heat treating food products in plastic bags |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99816755 CN1216770C (en) | 1999-06-23 | 1999-06-23 | Apparatus and method for heat treating food products in plastic bags |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1352612A CN1352612A (en) | 2002-06-05 |
| CN1216770C true CN1216770C (en) | 2005-08-31 |
Family
ID=34170983
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99816755 Expired - Fee Related CN1216770C (en) | 1999-06-23 | 1999-06-23 | Apparatus and method for heat treating food products in plastic bags |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1216770C (en) |
-
1999
- 1999-06-23 CN CN 99816755 patent/CN1216770C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1352612A (en) | 2002-06-05 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20050831 Termination date: 20100623 |