CN101273793A - Pressure-resistant protection device and pressure-resistant sterilization method of pressure-resistance and sterilization for tinned preserves sealed with plastic container film - Google Patents
Pressure-resistant protection device and pressure-resistant sterilization method of pressure-resistance and sterilization for tinned preserves sealed with plastic container film Download PDFInfo
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- CN101273793A CN101273793A CNA2008100369720A CN200810036972A CN101273793A CN 101273793 A CN101273793 A CN 101273793A CN A2008100369720 A CNA2008100369720 A CN A2008100369720A CN 200810036972 A CN200810036972 A CN 200810036972A CN 101273793 A CN101273793 A CN 101273793A
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Abstract
The invention discloses a sterilizing method for canned food which is sealed and packed by adopting a plastic container membrane; the method comprises the following steps: in the process of sterilizing, a compression resistant protection device which can be used repeatly wraps the canned food and the sterilization is carried out; wherein, the compression resistant protection device consists of a container made of metal materials and a covering plate; the sterilizing method of the invention can carry out compression resistance and sterilization to the canned food which is sealed and packed by adopting the plastic container membrane.
Description
Technical field
The present invention relates to a kind of resistance to compression protective device and pressure-resistant sterilization method of tinned food pressure-resistant sterilization, relate to the resistance to compression protective device and the pressure-resistant sterilization method of the tinned food pressure-resistant sterilization that is used for plastic containers film seal packing particularly.
Background technology
At present, tinned food packing has three kinds of vials, metal can, boiling complex pocket.Method for disinfection has cold sterilization below 100 ℃ (pasteurize) and high temperature sterilization more than 100 ℃.These two kinds of process for sterilizing have identical sterilization stage, intensification, insulation sterilization, cooling three phases are also promptly arranged, and the pressure in the different phase disinfection equipment and the pressure of sterilised products can change, and therefore the packing material to tinned food has specific requirement.Also promptly need to satisfy following the requirement: heat up and must control rate during cooling and pressure prevent be stressed difference distortion or break of packing material, so the invalid sterilization heated time of product is longer, influences the product mouthfeel quality, restricts new product development.At present can only be with above three kinds of packaging material based on the existing method for disinfection of above reason.These three kinds of packing materials all have its characteristics, and vial and metal can have certain compression capability, and retort pouch is not afraid of external pressure and distortion.
But these three kinds of packings all have weak point: vial is heavier frangible, and the metal can cost is higher, and metal itself and in-can preservation layer all be harmful material, and retort pouch should not be equipped with soup juice food.And these three kinds of packing materials all can not directly to put into micro-wave oven heating edible, edible is not most convenient, above reason is the development of restriction can industry and the main factor of new product development.
On the other hand, the tinned food of plastics of the prior art (comprising the PP plastics) container film seal package have cost low, in light weight, open convenient, can directly put into the advantage of micro-wave oven heating, but this plastics (comprising the PP plastics) are if the tinned food of container film seal package adopts the existing method for disinfection (cold sterilization and high temperature sterilization method) can deformation fracture in sterilization process.
In sum, this area lacks that a kind of tinned food to plastic containers film seal packing carries out sterilization and method and the device thereof of avoiding its deformation fracture.
Summary of the invention
First purpose of the present invention is to provide a kind of tinned food to plastic containers film seal packing to carry out sterilization and the method for avoiding container deformation to break.
Second purpose of the present invention is to provide a kind of tinned food to plastic containers film seal packing to carry out sterilization and the resistance to compression protective device of avoiding container deformation to break.
In a first aspect of the present invention, a kind of pressure-resistant sterilization method that is used for the tinned food of plastic containers film seal packing is provided, described method comprises the steps:
In described sterilization process, carry out sterilization after adopting reusable resistance to compression protective device to coat described can; Container and cover plate that wherein said resistance to compression protective device is made by metal material are formed.
In a specific embodiment of the present invention, described method for disinfection is a pasteurization.
In a specific embodiment of the present invention, described method for disinfection is the high temperature sterilization method, and the temperature of described high temperature sterilization method is between 100 ℃-130 ℃.
A second aspect of the present invention provides a kind of resistance to compression protective device that is used for the tinned food pressure-resistant sterilization of plastic containers film seal packing; container and cover plate that described resistance to compression protective device is made by metal material are formed, and described resistance to compression protective device coats described can.
Description of drawings
The schematic diagram of Fig. 1 tinned food of described plastic containers film seal packing for resistance to compression device of the present invention coats.
As shown in Figure 1, the tinned food of described plastic containers film seal packing is by plastic containers 3 and sealing film 2 Form. The container 4 that the resistance to compression protective device is made by metal material forms the appearance that described metal material is made with cover plate 1 Carry out sterilization behind device 4 and the cover plate 1. Wherein container 4 and cover plate 1 coat described plastic containers 3 and sealing film 2 compositions Tinned food.
The specific embodiment
The inventor is through extensive and deep research, by improving preparation technology, obtained and in sterilization process, to have heated up rapidly and to have lowered the temperature, the also method for disinfection that can under superhigh temperature, carry out, this method for disinfection can shorten intensification and temperature fall time in the sterilization process, improve the requirement of product mouthfeel quality, develop a greater variety of tinned food.Finished the present invention on this basis.
Design of the present invention is as follows:
Carry out sterilization after adopting reusable resistance to compression protective device to coat described can; Container and cover plate that wherein said resistance to compression protective device is made by metal material are formed.
Below describe in detail to various aspects of the present invention:
Method for disinfection
The invention provides a kind of method for disinfection that adopts the tinned food of plastic containers film seal packing, comprise the steps:
In described sterilization process, carry out sterilization after adopting reusable resistance to compression protective device to coat described can; Container and cover plate that wherein said resistance to compression protective device is made by metal material are formed.
The material of described canister can be various traditional heat-conducting metals, for example is selected from aluminium, stainless steel or other combination particularly.
Among the present invention, in the term " tinned food of plastic containers film seal packing ", tinned food has plastic containers, and plastic containers adopt plastic sheeting to carry out seal package.Described " plastics " can adopt the traditional food grade plastics in this area, but are not limited to the food grade polypropylene.Described " film " can adopt traditional the sealing in this area food-grade film, is not specifically limited.Described " food " can be the traditional tinned food in this area.Include but not limited to that particularly all can be at the tinned food of traditional vial, metal can, boiling complex pocket packing; In addition, because characteristics of the present invention can also be that traditional vial, metal can, boiling complex pocket can't meet the requirements of tinned food, for example in long period sterilization heating process, cause the food of nutrition or taste loss easily.The shape of described tinned food is not specifically limited, and holds food as long as have fixed space.For example can be bowl-type, cylindrical or other shape particularly.
" method for disinfection " of the present invention can adopt traditional cold sterilization in this area (pasteurize) and high temperature sterilization method.
The present invention adopts reusable resistance to compression protective device, and container and cover plate that described resistance to compression protective device is made by metal material are formed.The size of described " resistance to compression protective device " is advisable to coat described can, also be the container made of described metal material and cover plate be coated on tinned food around.
Described resistance to compression protective device can be fully airtight, can also be semi-hermetic.The resistance to compression protective device of semi-hermetic is for example: container or the described cover plate that described metal material can be made are arranged to network structure.In addition, the bottom of the container made of described metal material can also be provided with one or more holes.
Because the space layer of the airtight or semi-hermetic of one of formation between the tinned food of resistance to compression protective device and plastic containers film seal packing; in sterilization (for example heating) process, in this space layer, form pressure and constituted cushioning effect; therefore reached gratifying effect, also promptly the tinned food of plastic containers film seal packing has been carried out sterilization and avoid the method and the device thereof of its deformation fracture.In addition; because the existence of resistance to compression protective device; can also accelerate programming rate and cooling rate; make heating-up time of the present invention and temperature fall time shorten dramatically; this makes the mouthfeel quality of product improve greatly; can't reach product that mouthfeel requires to original method for disinfection can Development and Production, satisfies the different demands in market.
In a specific embodiment of the present invention, with the container of stainless steel metal sheet stamping one-tenth with the identical proterties of can, the container size is put into the basic tight of container with canned pack and is as the criterion, the container part can add towards aperture plays the quickening heat transfer effect, in addition with stainless steel metal materials processing container cover plate, the cover plate size is put into the container inner cover plate with canned pack and is covered and can push down can envelope mould entire area, and the stress point when cover plate and container compress is the entire area that can seals.In the sterilization process, earlier box-packed tinned food is put into canister, cover the cover plate clamp, put into the disinfection equipment sterilization, canister plays anti-external and internal pressure effect makes plastic can pack indeformable and do not break.
The invention has the advantages that:
(1) this method for disinfection can shorten intensification and temperature fall time in the sterilization process, improves the requirement of product mouthfeel quality, develops a greater variety of tinned food.
(2) adopt current internationally recognized environmentally-friendly sanitary PP composite to make box-packed form, tinned food also can carry out sterilization, and packing can be out of shape and break.
(3) in the pressure-resistant sterilization method of the present invention, the tinned food that the packing of canned pack adopts plastic material to make box-packed form can heat up and lower the temperature when sterilization rapidly, need not controlled pressure, and packing material can deformation fracture yet.
(4) compare with pressure-resistant sterilization method and apparatus of the present invention, intensification and temperature fall time can shorten more than 50% to like products in sterilization process, this makes the mouthfeel quality of product improve greatly, can't reach product that mouthfeel requires to original method for disinfection can Development and Production, satisfies the different demands in market.
Below in conjunction with specific embodiment, further set forth the present invention.Should be understood that these embodiment only to be used to the present invention is described and be not used in and limit the scope of the invention.The experimental technique of unreceipted actual conditions in the following example usually according to normal condition, or carries out according to the condition that manufacturer advises.Unless otherwise indicated, otherwise all umbers are weight portion, and all percentages are weight percentage.
Unless otherwise defined or explanation, the meaning that all specialties used herein are familiar with scientific words and those skilled in the art is identical.Any in addition method and material similar to described content or that be equal to all can be applicable in the inventive method.
Sterilised products has Pan-Fried Beef Steak with Black Pepper, satay diced chicken, three kinds of products of fragrant peppery duck fourth in the present embodiment, each kind 6 box, and packing specification is identical, net content 280 grams, packaging material adopt PP composite (Shanghai Zhongyang Chemistry Co., Ltd.), are shaped as round diameter 125mm, degree of depth 40mm.Back weighing dress box is respectively joined, cook to beefsteak, diced chicken, duck fourth through cleaning, cutting, adopt the fully automatic vacuum gas-control packing device to seal mould and pack.
As shown in Figure 1, the tinned food of described plastic containers film seal packing is made up of plastic containers 3 and sealing film 2.Container 4 and cover plate 1 that the resistance to compression protective device is made by metal material are formed, and carry out sterilization after tinned food is put into the container 4 that described metal material makes and covered cover plate 1.Wherein container 4 and cover plate 1 coat the tinned food of described plastic containers 3 and sealing film 2 compositions.
Sterilization compression resistanted container (canister) adopts stainless steel to make, and container shapes is identical with packing of product shape, and container bottom dashes heat transfer aperture, bore dia 1.6mm (not shown).Disinfection equipment adopts Shanghai people's package packing machine GW-600 of factory high-temperature sterilization pot (not shown).
Sterilization process: packaged product packed into covers loam cake in the compression resistanted container, clamps up and down with anchor clamps, and canned pack is tight in container.Retort is preheated to earlier after 100 ℃ to be got rid of pressure and opens pot cover and put into pot cover on the container cover that product is housed, a little opens the steam valve intensification after opening air bleeding valve earlier, before heat up that pot inner pressure is controlled between the 0-0.3 atmospheric pressure in 6 minutes, temperature is raised to 108 ℃, closing air bleeding valve continues to heat up, being raised to 127 ℃ (times: 4 minutes) stops to heat up, steam off valve after being incubated 10 minutes between 127-121 ℃, open and open pot cover after air bleeding valve drains pot inner pressure fast, take out container and put into cooling water tank cooling 10 minutes, take out container again and unclamp anchor clamps taking-up product.
The packaging external appearance of the product that obtains does not have distortion or breaks, and heat transfer aperture position in bottom partly has the protrusion point.18 box sterilised products are tested, and all packing of product outward appearances are qualified, and mouthfeel is normal, and microbiological indicator reaches the GB/T4789 requirement.The rate of being up to the standards is 100%.
All quote as a reference in this application at all documents that this specification is mentioned.Should be understood that in addition after having read foregoing of the present invention, those skilled in the art can make various changes or modifications the present invention, these equivalent form of values fall within the application's the scope equally.
Claims (4)
1. a pressure-resistant sterilization method that is used for the tinned food of plastic containers film seal packing is characterized in that described method comprises the steps:
In described sterilization process, carry out sterilization after adopting reusable resistance to compression protective device to coat described can; Container and cover plate that wherein said resistance to compression protective device is made by metal material are formed.
2. the method for claim 1 is characterized in that, described method for disinfection is a pasteurization.
3. the method for claim 1 is characterized in that, described method for disinfection is the high temperature sterilization method, between 100 ℃-130 ℃ of the temperature of described high temperature sterilization method.
4, a kind of resistance to compression protective device that is used for the tinned food pressure-resistant sterilization of plastic containers film seal packing it is characterized in that container and cover plate that described resistance to compression protective device is made by metal material are formed, and described resistance to compression protective device coats described can.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100369720A CN101273793A (en) | 2008-05-05 | 2008-05-05 | Pressure-resistant protection device and pressure-resistant sterilization method of pressure-resistance and sterilization for tinned preserves sealed with plastic container film |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100369720A CN101273793A (en) | 2008-05-05 | 2008-05-05 | Pressure-resistant protection device and pressure-resistant sterilization method of pressure-resistance and sterilization for tinned preserves sealed with plastic container film |
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| CN101273793A true CN101273793A (en) | 2008-10-01 |
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| CNA2008100369720A Pending CN101273793A (en) | 2008-05-05 | 2008-05-05 | Pressure-resistant protection device and pressure-resistant sterilization method of pressure-resistance and sterilization for tinned preserves sealed with plastic container film |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103099289A (en) * | 2013-02-26 | 2013-05-15 | 中绿食品集团有限公司 | Sterilization method for neutral beverage packaged by penguin bag |
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2008
- 2008-05-05 CN CNA2008100369720A patent/CN101273793A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103099289A (en) * | 2013-02-26 | 2013-05-15 | 中绿食品集团有限公司 | Sterilization method for neutral beverage packaged by penguin bag |
| CN103099289B (en) * | 2013-02-26 | 2016-01-20 | 厦门粗粮王饮品科技有限公司 | The method for disinfection of the neutral beverage of penguin bag packaging |
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Open date: 20081001 |