CN103932349B - A kind of carbon dioxide of liquid material works in coordination with high pressure nonthermal method and disinfection system - Google Patents
A kind of carbon dioxide of liquid material works in coordination with high pressure nonthermal method and disinfection system Download PDFInfo
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- CN103932349B CN103932349B CN201410143798.5A CN201410143798A CN103932349B CN 103932349 B CN103932349 B CN 103932349B CN 201410143798 A CN201410143798 A CN 201410143798A CN 103932349 B CN103932349 B CN 103932349B
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- 238000004659 sterilization and disinfection Methods 0.000 title claims abstract description 133
- 239000011344 liquid material Substances 0.000 title claims abstract description 63
- 238000000034 method Methods 0.000 title claims abstract description 45
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 title claims abstract description 44
- 229910002092 carbon dioxide Inorganic materials 0.000 title claims abstract description 22
- 239000001569 carbon dioxide Substances 0.000 title claims abstract description 22
- 230000001954 sterilising effect Effects 0.000 claims abstract description 122
- 239000007788 liquid Substances 0.000 claims abstract description 91
- 235000011389 fruit/vegetable juice Nutrition 0.000 claims abstract description 33
- 229920006395 saturated elastomer Polymers 0.000 claims abstract description 15
- 238000010792 warming Methods 0.000 claims abstract description 12
- 230000005587 bubbling Effects 0.000 claims abstract description 8
- 238000009833 condensation Methods 0.000 claims abstract description 7
- 230000005494 condensation Effects 0.000 claims abstract description 7
- 238000012859 sterile filling Methods 0.000 claims abstract description 6
- 230000003139 buffering effect Effects 0.000 claims abstract description 5
- 239000000463 material Substances 0.000 claims description 36
- 238000009413 insulation Methods 0.000 claims description 11
- 238000004891 communication Methods 0.000 claims description 3
- 229910052799 carbon Inorganic materials 0.000 claims description 2
- 235000013305 food Nutrition 0.000 abstract description 11
- 239000000796 flavoring agent Substances 0.000 abstract description 9
- 235000019634 flavors Nutrition 0.000 abstract description 9
- 235000016709 nutrition Nutrition 0.000 abstract description 8
- 235000021056 liquid food Nutrition 0.000 abstract description 6
- 230000035764 nutrition Effects 0.000 abstract description 6
- 230000000844 anti-bacterial effect Effects 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000014759 maintenance of location Effects 0.000 abstract description 2
- 238000005086 pumping Methods 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 7
- 235000015203 fruit juice Nutrition 0.000 description 6
- 238000011049 filling Methods 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 235000013336 milk Nutrition 0.000 description 3
- 239000008267 milk Substances 0.000 description 3
- 210000004080 milk Anatomy 0.000 description 3
- 241000209094 Oryza Species 0.000 description 2
- 235000007164 Oryza sativa Nutrition 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 235000021186 dishes Nutrition 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 239000003205 fragrance Substances 0.000 description 2
- 238000002372 labelling Methods 0.000 description 2
- 235000009566 rice Nutrition 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 102000004190 Enzymes Human genes 0.000 description 1
- 108090000790 Enzymes Proteins 0.000 description 1
- 206010020852 Hypertonia Diseases 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 235000015197 apple juice Nutrition 0.000 description 1
- 235000013339 cereals Nutrition 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 239000002241 glass-ceramic Substances 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000002932 luster Substances 0.000 description 1
- 230000000813 microbial effect Effects 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
- A23L3/00—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs
- A23L3/34—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs by treatment with chemicals
- A23L3/3409—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs by treatment with chemicals in the form of gases, e.g. fumigation; Compositions or apparatus therefor
- A23L3/3418—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs by treatment with chemicals in the form of gases, e.g. fumigation; Compositions or apparatus therefor in a controlled atmosphere, e.g. partial vacuum, comprising only CO2, N2, O2 or H2O
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
- A23L2/00—Non-alcoholic beverages; Dry compositions or concentrates therefor; Their preparation
- A23L2/42—Preservation of non-alcoholic beverages
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
- A23L3/00—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs
- A23L3/015—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs by treatment with pressure variation, shock, acceleration or shear stress or cavitation
- A23L3/0155—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs by treatment with pressure variation, shock, acceleration or shear stress or cavitation using sub- or super-atmospheric pressures, or pressure variations transmitted by a liquid or gas
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23V—INDEXING SCHEME RELATING TO FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES AND LACTIC OR PROPIONIC ACID BACTERIA USED IN FOODSTUFFS OR FOOD PREPARATION
- A23V2002/00—Food compositions, function of food ingredients or processes for food or foodstuffs
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Nutrition Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Polymers & Plastics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Food Preservation Except Freezing, Refrigeration, And Drying (AREA)
Abstract
The carbon dioxide that the present invention relates to a kind of liquid material works in coordination with high pressure nonthermal method and disinfection system, and it, after liquid material subject to sterilization is warming up to uniform temperature, bottom liquid material, passes into CO
2gas, bubbling is to CO
2the saturated concentration of gas in liquid material reaches 43.60% ~ 62.98%, pump into sterilization treatment in sterilization kettle, condensation afterwards, pressure release, sterile filling after buffering, the method is simple, bactericidal effect is good, in technical process, pressure is lower, carbon dioxide-depleted is few, can the original local flavor of liquid hold-up food and nutrition to greatest extent, and disinfection system of the present invention utilizes clear juice recoil feed liquid conveyance conduit and realizes pressurizeing in sterilization kettle by pumping into juice clearly in sterilization kettle, safety coefficient is high, carbon dioxide-depleted is few, after sterilizing, condensation pressure release reduces the volatilization of natural scents, be beneficial to the retention of the original local flavor of liquid food and nutrition, its actual strong operability, be easy to propagation and employment.
Description
Technical field
The present invention relates to the nonthermal method and apparatus of the liquid materials such as a kind of fruit juice pulp milk.
Background technology
Fresh Juice enjoys the welcome of consumers in general due to the fragrance component containing fruit itself and flavor substance, but due to the existence of microorganism, these characteristics of fresh juices are easy to be destroyed, nutritional labeling simultaneously in fruit juice is decomposed by Institute of Micro-biology, not only reduce the nutrition of fruit juice, and the storage period of fruit juice is shortened, practical security reduce.The microbial contamination solving juice liquid food is requisite operating unit in food processing process.
Current food service industry adopts heat sterilization usually, as: pasteurize, high temperature, ultra high temperature short time sterilization, Ohmic heating and microwave disinfection etc.The stable sterilization effect of heat sterilization technology, simple to operate, equipment investment is little, existing long applicating history.But heat sterilization also can bring adverse effect to food quality, especially to heat-sensitive ingredients, the freshness of food, color and luster can be destroyed, change the local flavor of food, even cause bad flavor, functional components and nutritional labeling also can be destroyed, therefore non-thermal technology technology will become the important means of the blunt enzyme of following food service industry sterilization.
For this reason, also have more people to study non-thermal sterilization technology, mainly Technology of Ultra-high Pressure Sterilization, it needs higher pressure, generally wants 500 ~ 600MPa, not only high to equipment requirement, and processing safety aspect also needs to pay special attention to.At the nonthermal technical elements of the food such as fruit juice milk, existing Chinese patent CN101327034A discloses a kind of supercritical CO of liquid food
2sterilizing methods, in the method described in it, carbon dioxide need become supercritical CO after pretreatment
2, the material in reactor also needs overcriticalization in advance.Chinese patent CN101214081A also discloses a kind of non-thermal sterilization method of apple juice, in the method described in it, adopts pulsed high-density CO 2 pressurising pressurize pressure release, need repeat more than twice, CO in process
2consumption is comparatively large, CO in pressure leak process
2the volatile substances taken out of because of extraction can not be ignored.Chinese patent CN102334716A also discloses one and utilizes supercritical CO
2the method of sterilizing, in the method described in it, in sterilizer, install the corrosion resistant plate of 4 ~ 6 pieces of punchings from top to bottom, the aperture in the hole on every block corrosion resistant plate is 0.5 ~ 1 millimeter.Pitch of holes is 3 ~ 6 millimeters; Temperature control, at 40 ~ 50 DEG C, then leads to CO
2reach 8.0 ~ 8.5MPa.Chinese patent CN101579531A also discloses a kind of method for three-phase sterilization and equipment of liquid material, in method described in it, with fillings such as solid phase passive stainless steel silk, glass fibre or ceramic grains in sterilization kettle, sterilization adopts pulsed method for disinfection, postcritical CO
2pass in sterilization kettle and fully mix boosting with liquid material and be warming up to predetermined value, release pressure, repeatedly carry out more than at least twice " boosting-step-down " operate.
But, inventor to find in existing liquid food non-thermal sterilization technology also to exist in further research process as: conventional high-tension nonthermal method, to the excessive demand of pressure, generally all will reach 500 ~ 600MPa; All CO is adopted for the more supercritical carbon dioxide sterilizing methods of report
2pressurization, not only to CO
2the CO of feed system
2pressure requirements is high, and CO in pressure process
2consumption is excessive; In addition, after pressurize completes in pressure leak process, because supercritical CO
2very important extraction, the volatile substances be extracted can with CO
2release and taken out of, often in these volatile materials, major part is all the material increasing natural food fragrance, makes food can not keep original natural local flavor etc. problem.
Summary of the invention
An object of the present invention is to overcome excessive demand, the supercritical carbon dioxide sterilizing methods CO of conventional high-tension nonthermal method to pressure
2consumption is excessive, and the entrainment problem of volatile substances in air supply system hypertonia and pressure leak process, provide a kind of bactericidal effect good, in sterilization process, pressure is not high, CO
2consumption is few, and volatile materials loss is little, at utmost keeps the carbon dioxide of the liquid material of the original local flavor of the liquid food such as fruit juice, milk and nutrition to work in coordination with high pressure nonthermal method.
Two of object of the present invention is to provide a kind of disinfection system that can realize above-mentioned method for disinfection.
To achieve these goals, the technical solution adopted in the present invention is: a kind of carbon dioxide of liquid material is worked in coordination with high pressure nonthermal method and is made up of following steps:
(1) liquid material subject to sterilization be warming up to 32 ~ 50 DEG C and be incubated, under normal pressure, bottom liquid material, passing into CO
2gas, bubbling is to CO
2the saturated concentration of gas in liquid material reaches 43.60% ~ 62.98%;
(2) CO is crossed by saturated
2liquid material pump into sterilization treatment in sterilization kettle, the liquid amount of sterilization kettle reaches 70 ~ 95%, passes into CO
2gas, is warming up to 32 ~ 50 DEG C, pumps into juice clearly, and after in sterilization kettle, pressure reaches 10 ~ 300MPa, heat-insulation pressure keeping 15 ~ 50min, to complete sterilizing;
(3) liquid material after sterilizing is carried out condensation, pressure release, sterile filling after buffering.
Above-mentioned steps (1) liquid material subject to sterilization is warming up to 35 DEG C and is incubated, and passes into CO under normal pressure bottom liquid material
2gas, bubbling is to CO
2the saturated concentration of gas in liquid material reaches 59.2%.
Above-mentioned steps (2) crosses CO by saturated
2liquid material pump in sterilization kettle, the liquid amount to sterilization kettle reaches 95%, passes into CO
2gas, is warming up to 35 DEG C, pumps into juice clearly, and after in sterilization kettle, pressure reaches 40MPa, heat-insulation pressure keeping 30min, to complete sterilizing.
A kind of said method that utilizes carries out to liquid material the system that carbon dioxide works in coordination with high pressure nonthermal, its inlet at material liquid tank by liquid inlet control valve with liquid material pipeline communication, be communicated with feed liquid carrier pipe by backwash liquid control valve, its liquid outlet sets out hydraulic control valve, and air inlet is provided with a CO
2control valve, a CO
2control valve and CO
2air shooter is communicated with, backwash liquid control valve is communicated with the sterili-sation unit inlet valve being arranged on sterili-sation unit charging aperture place by feed liquid carrier pipe, go out hydraulic control valve to be communicated with the inlet of feed pump by pipeline, the liquid outlet of feed pump is communicated with sterili-sation unit inlet valve by feed liquid carrier pipe, sterili-sation unit inlet valve and be arranged on CO
2the 2nd CO on air shooter
2control valve is communicated with, the liquid outlet of clear juice tank is communicated with the arrival end of force (forcing) pump by pipeline, the arrival end of force (forcing) pump is communicated with sterili-sation unit inlet valve by Backwash pipeline, the liquid outlet of described sterili-sation unit arranges sterilized solution discharge control valve, sterilized solution discharge control valve is communicated with the inlet of condenser by pipeline, and the liquid outlet of condenser is communicated with the inlet of surge tank by pipeline.
Above-mentioned sterilization unit is made up of one or at least 2 Sterilization Kettles being connected in parallel.
It is use CO after liquid material subject to sterilization is heated to uniform temperature that the carbon dioxide of liquid material provided by the present invention works in coordination with high pressure nonthermal method
2gas sparging, then pumps in sterilization kettle, passes into CO
2gas displacement sterilization kettle is unkitted the air of filler liquid partial volume, control sterilization kettle temperature, recycle clear juice to pressurize to Sterilization Kettle, heat-insulation pressure keeping certain hour is to thorough sterilizing, after condensation process, pressure release is to surge tank, feed liquid in surge tank can reach commercial sterilization requirement, directly can carry out sterile filling, method for disinfection of the present invention is simple, bactericidal effect is good, in technical process, pressure is lower, carbon dioxide-depleted is few, can the original local flavor of liquid hold-up food and nutrition to greatest extent, disinfection system of the present invention utilizes clear juice recoil feed liquid conveyance conduit and realizes pressurizeing in sterilization kettle by pumping into juice clearly in sterilization kettle, safety coefficient is high, carbon dioxide-depleted is few, after sterilizing, condensation pressure release reduces the volatilization of natural scents, be beneficial to the retention of the original local flavor of liquid food and nutrition, its actual strong operability, be easy to propagation and employment.
Accompanying drawing explanation
Fig. 1 is the disinfection system structural representation of embodiment 1.
Detailed description of the invention
Now by reference to the accompanying drawings technical scheme of the present invention is further described, but the present invention is not limited only to following situation.
Embodiment 1
See Fig. 1, it is by a CO that the carbon dioxide of the liquid material of the present embodiment works in coordination with high pressure nonthermal system
2control valve 1, material liquid tank 2, go out hydraulic control valve 3, feed pump 4, force (forcing) pump 5, clear juice air valve 6, clear juice tank 7, sterilization kettle 8, sterilized solution discharge control valve 9, condenser 10, surge tank 11, buffering exhaust-valve 12, emptying control valve 13, sterili-sation unit inlet valve 14, the 2nd CO
2control valve 15, feed liquid input control valve 16, feed liquid delivery valve 17, backwash liquid control valve 18 and liquid inlet control valve 19 connect and compose.
Liquid outlet is offered and air inlet, top offer inlet bottom the material liquid tank 2 of the present embodiment, its inlet by liquid inlet control valve 19 with liquid material pipeline communication, be communicated with feed liquid carrier pipe by backwash liquid control valve 18, liquid outlet is provided with out hydraulic control valve 3, go out hydraulic control valve 3 to be communicated with by the inlet of pipeline with feed pump 4, air inlet is provided with a CO
2control valve 1, a CO
2control valve 1 be arranged on CO
2a port of first connecting tee on air shooter is communicated with, and another port of this connecting tee is provided with the 2nd CO
2control valve 15, the 2nd CO
2control valve 15 is communicated with a port of the 3rd connecting tee, a port of the 3rd connecting tee is communicated with a port of the 4th connecting tee, another port is communicated with a port of second connecting tee be arranged on feed liquid carrier pipe, a port of this second connecting tee is communicated with the backwash liquid control valve 18 of material liquid tank 2, another port is communicated with the feed liquid delivery valve 17 be arranged on feed pump 4 liquid outlet, 3rd port is connected with a port of the 3rd connecting tee by feed liquid input control valve 16, a port of the 4th connecting tee is connected with the 3rd connecting tee, a port is communicated with sterili-sation unit inlet valve, another port is communicated with Backwash pipeline, the outlet of Backwash pipeline and force (forcing) pump 5, the force (forcing) pump 5 of the present embodiment selects reciprocating plunger pump, its entrance is communicated with the liquid outlet of clear juice tank 7, the evaporator supplypump of clear juice tank 7 is entered Backwash pipeline successively through Backwash pipeline by force (forcing) pump 5, 3rd connecting tee, second connecting tee and backwash liquid control valve 18 enter in material liquid tank 2, or evaporator supplypump is entered Backwash pipeline enter in sterilization kettle 8 through the 4th connecting tee and sterili-sation unit inlet valve 14 successively, sterilization kettle 8 is pressurizeed.The clear juice tank 7 of the present embodiment adopts common commercially available clear juice storage tank, is processed with brokenly eats dishes without rice or wine at its top, and the broken clear juice air valve 6 of upper installation of eating dishes without rice or wine, is pressurizeed by this clear juice air valve 6, ensure that clear juice discharges in clear juice tank 7.The present embodiment sterili-sation unit is made up of 1 sterilization kettle 8, the bottom of this sterilization kettle 8 offers liquid outlet, top has inlet and evacuation port, inlet is provided with sterili-sation unit inlet valve 14, evacuation port is installed emptying control valve 13, liquid outlet is installed sterilized solution discharge control valve 9, sterilized solution discharge control valve 9 is communicated with by the inlet of pipeline with condenser 10, in the condenser 10 of the present embodiment, cooling medium is chilled water, its temperature is 4 ± 3 DEG C, the liquid outlet of condenser 10 is connected on surge tank 11 by pipeline, condensed sterilizing feed liquid is delivered in surge tank 11, the top of the surge tank 11 of the present embodiment is processed with evacuation port, evacuation port is provided with buffering exhaust-valve 12, for evacuate air in tank body.
Use the carbon dioxide of above-mentioned liquid material to work in coordination with the method for high pressure nonthermal system to liquid material sterilizing to be made up of following steps:
(1) 5min that heated up in material liquid tank 2 by 95L liquid material subject to sterilization reaches 35 DEG C to its temperature, insulation, opens a CO at ambient pressure
2control valve 1 passes into CO
2gas, CO
2cO in air shooter
2gas passes into bottom material liquid tank 2, and bubbling 20min, to CO
2concentration reaches 59.2%(V
cO2/ V
liquid material), i.e. CO
2the saturated concentration of gas in liquid material reaches 59.2%.
(2) CO is closed
2control valve 1, opens and goes out hydraulic control valve 3, sterili-sation unit inlet valve 14, feed liquid input control valve 16, emptying control valve 13 bottom material liquid tank 2, cross CO by saturated
2liquid material pump in the sterilization kettle 8 of 100L through feed pump 4, control the liquid amount of sterilization kettle 8 and reach 95%, open force (forcing) pump 5, by the clear juice in clear juice tank 7 through Backwash pipeline recoil feed liquid carrier pipe 195min, enter in material liquid tank 2, close feed liquid input control valve 16, open the 2nd CO
2control valve 15, uses CO
2the part of liquid underfill in filling sterilization kettle 8, filling 20min, has inflated rear closedown the 2nd CO
2the emptying control valve 13 of control valve 15 and sterilization kettle 8, open the heating of sterilization kettle 8 chuck, intensification about 10min is carried out to sterilization kettle 8, reaches 35 DEG C to temperature, open force (forcing) pump 5, evaporator supplypump in clear juice tank 7 is entered in sterilization kettle 8, make its pressure increase, when pressure reaches 40MPa, close force (forcing) pump 5 heat-insulation pressure keeping 30min, open the sterilized solution discharge control valve 9 of sterilization kettle 8, to liquid material sterilizing.
(3) open the freeze cycle water of tube condenser 10, the liquid material that sterilization completes enters pressure release 20min after condenser 10 condensation through pipeline and is delivered in surge tank 11, when pressure is equal with the pressure of surge tank 11 in sterilization kettle 8, opens the 2nd CO
2control valve 15, CO
2gas passes in sterilization kettle 8 and remaining liquid material is depressed into surge tank 11, and the feed liquid in surge tank 11 directly carries out sterile filling, and whole sterilization process needs 125min consuming time, and namely 125min can sterilizing 95L liquid material.
Embodiment 2
The carbon dioxide of the present embodiment liquid material works in coordination with high pressure nonthermal method in step (1), 95L liquid material subject to sterilization is warming up to its temperature in material liquid tank 2 and reaches 50 DEG C, insulation, opens a CO at ambient pressure
2control valve 1 passes into CO
2gas, CO
2gas passes into bottom material liquid tank 2 through pipeline, and bubbling is to CO
2the saturated concentration of gas in liquid material reaches 62.98%(V
cO2/ V
liquid material).In step (2), close a CO
2control valve 1, opens and goes out hydraulic control valve 3, sterili-sation unit inlet valve 14, feed liquid input control valve 16, emptying control valve 13 bottom material liquid tank 2, cross CO by saturated
2liquid material pump in the sterilization kettle 8 of 100L through feed pump 4, control the liquid amount of sterilization kettle 8 and reach 90%, open force (forcing) pump 5, by the clear juice in clear juice tank 7 through Backwash pipeline recoil feed liquid carrier pipe, enter in material liquid tank 2, close feed liquid input control valve 16, open the 2nd CO
2control valve 15, uses CO
2the part of liquid underfill in filling sterilization kettle 8, has inflated rear closedown the 2nd CO
2the emptying control valve 13 of control valve 15 and sterilization kettle 8, open the heating of sterilization kettle 8 chuck, sterilization kettle 8 is heated up, reaches 50 DEG C to temperature, open force (forcing) pump 5, evaporator supplypump in clear juice tank 7 is entered in sterilization kettle 8, make its pressure increase, when pressure reaches 300MPa, close force (forcing) pump 5 heat-insulation pressure keeping 15min, open the sterilized solution discharge control valve 9 of sterilization kettle 8, to liquid material sterilizing.Other step is identical with embodiment 1.
Utilize the structure of the disinfection system of above-mentioned sterilizing methods identical with embodiment 1.
Embodiment 3
The carbon dioxide of the present embodiment liquid material works in coordination with high pressure nonthermal method in step (1), 95L liquid material subject to sterilization is warming up to its temperature in material liquid tank 2 and reaches 32 DEG C, insulation, opens a CO at ambient pressure
2control valve 1 passes into CO
2gas, CO
2gas passes into bottom material liquid tank 2 through pipeline, and bubbling is to CO
2the saturated concentration of gas in liquid material reaches 43.60%(V
cO2/ V
liquid material).In step (2), close a CO
2control valve 1, opens and goes out hydraulic control valve 3, sterili-sation unit inlet valve 14, feed liquid input control valve 16, emptying control valve 13 bottom material liquid tank 2, cross CO by saturated
2liquid material pump in the sterilization kettle 8 of 100L through feed pump 4, control the liquid amount of sterilization kettle 8 and reach 70%, open force (forcing) pump 5, by the clear juice in clear juice tank 7 through Backwash pipeline recoil feed liquid carrier pipe, enter in material liquid tank 2, close feed liquid input control valve 16, open the 2nd CO
2control valve 15, uses CO
2the part of liquid underfill in filling sterilization kettle 8, has inflated rear closedown the 2nd CO
2the emptying control valve 13 of control valve 15 and sterilization kettle 8, open the heating of sterilization kettle 8 chuck, sterilization kettle 8 is heated up, reaches 32 DEG C to temperature, open force (forcing) pump 5, evaporator supplypump in clear juice tank 7 is entered in sterilization kettle 8, make its pressure increase, when pressure reaches 10MPa, close force (forcing) pump 5 heat-insulation pressure keeping 50min, open the sterilized solution discharge control valve 9 of sterilization kettle 8, to liquid material sterilizing.Other step is identical with embodiment 1.
Utilize the structure of the disinfection system of above-mentioned sterilizing methods identical with embodiment 1.
Embodiment 4
In the disinfection system of above-described embodiment 1 ~ 3, sterili-sation unit is made up of 2 sterilization kettles 8 be installed in parallel, and has corresponding adjustment at the pipeline at the place of being connected in parallel, other parts and annexation identical with corresponding embodiment.
When first material proceeds to the 30th minute, when material has been delivered to first sterilization kettle 8, second batch material starts to heat up in material liquid tank 2; When second batch material proceeds to the 30th minute, when being delivered to the second sterilization kettle 8, the 3rd batch materials starts to heat up in material liquid tank 2, and first material is pressurize in the first sterilization kettle 8, and second batch material is increasing temperature and pressure in the second sterilization kettle 8; When the 3rd batch materials proceeds to the 30th minute, first material in the first sterilization kettle 8 pressure release in surge tank 11, and shift from surge tank 11 to filling district, 4th batch of material liquid has been delivered to the second sterilization kettle 8,5th batch materials starts to heat up in material liquid tank 2, in this manner, within every 30 minutes, there is a collection of feed liquid sterilizing to complete and be delivered to sterile filling district.
Embodiment 5
In the disinfection system of above-described embodiment 1 ~ 3, sterili-sation unit is 4 sterilization kettles 8 be installed in parallel, and has corresponding adjustment at the pipeline at the place of being connected in parallel, other parts and annexation identical with corresponding embodiment.
The quantity of sterilization kettle 8 of the present invention suitably can adjust according to the treating capacity of the liquid material of reality.
Claims (5)
1. the carbon dioxide of liquid material works in coordination with a high pressure nonthermal method, it is characterized in that being made up of following steps:
(1) liquid material subject to sterilization be warming up to 32 ~ 50 DEG C and be incubated, under normal pressure, bottom liquid material, passing into CO
2gas, bubbling is to CO
2the saturated concentration of gas in liquid material reaches 43.60% ~ 62.98%;
(2) CO is crossed by saturated
2liquid material pump into sterilization treatment in Sterilization Kettle (8), the liquid amount of Sterilization Kettle (8) reaches 95%, passes into CO
2gas, is warming up to 32 ~ 50 DEG C, pumps into juice clearly, and after in Sterilization Kettle (8), pressure reaches 10 ~ 300MPa, heat-insulation pressure keeping 15 ~ 50min, to complete sterilizing;
(3) by the liquid material condensation after sterilizing, pressure release, sterile filling after buffering.
2. the carbon dioxide of liquid material according to claim 1 works in coordination with high pressure nonthermal method, it is characterized in that: described step (1) liquid material subject to sterilization is warming up to 35 DEG C and is incubated, and passes into CO under normal pressure bottom liquid material
2gas, bubbling is to CO
2the saturated concentration of gas in liquid material reaches 59.2%.
3. the carbon dioxide of liquid material according to claim 1 works in coordination with high pressure nonthermal method, it is characterized in that: described step (2) crosses CO by saturated
2liquid material pump in Sterilization Kettle (8), the liquid amount to Sterilization Kettle (8) reaches 95%, passes into CO
2gas, is warming up to 35 DEG C, pumps into juice clearly, and after in Sterilization Kettle (8), pressure reaches 40MPa, heat-insulation pressure keeping 30min, to complete sterilizing.
4. one kind utilizes the method for claim 1 to carry out to liquid material the system that carbon dioxide works in coordination with high pressure nonthermal, it is characterized in that: at the inlet of material liquid tank (2) by liquid inlet control valve (19) with liquid material pipeline communication, be communicated with feed liquid carrier pipe by backwash liquid control valve (18), its liquid outlet sets out hydraulic control valve (3), and air inlet is provided with a CO
2control valve (1), a CO
2control valve and CO
2air shooter is communicated with, backwash liquid control valve (18) is communicated with the sterilization unit inlet valve (14) being arranged on sterilization unit charging aperture place by feed liquid carrier pipe, go out hydraulic control valve (3) to be communicated with by the inlet of pipeline with feed pump (4), the liquid outlet of feed pump (4) is communicated with sterilization unit inlet valve (14) by feed liquid carrier pipe, sterilization unit inlet valve (14) and be arranged on CO
2the 2nd CO on air shooter
2control valve (15) is communicated with, the liquid outlet of clear juice tank (7) is communicated with by the arrival end of pipeline with force (forcing) pump (5), the arrival end of force (forcing) pump (5) is communicated with sterilization unit inlet valve (14) by Backwash pipeline, the liquid outlet of described sterilization unit arranges sterilized solution discharge control valve (9), sterilized solution discharge control valve (9) is communicated with by the inlet of pipeline with condenser (10), and the liquid outlet of condenser (10) is communicated with by the inlet of pipeline with surge tank (11).
5. disinfection system according to claim 4, is characterized in that: described sterilization unit is made up of one or at least 2 Sterilization Kettles being connected in parallel.
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| CN201410143798.5A CN103932349B (en) | 2014-04-11 | 2014-04-11 | A kind of carbon dioxide of liquid material works in coordination with high pressure nonthermal method and disinfection system |
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| CN201410143798.5A CN103932349B (en) | 2014-04-11 | 2014-04-11 | A kind of carbon dioxide of liquid material works in coordination with high pressure nonthermal method and disinfection system |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1788795A (en) * | 2005-12-14 | 2006-06-21 | 浙江大学 | Carbon dioxide pressurized sterilization method under normal temperature |
| CN1850280A (en) * | 2006-05-17 | 2006-10-25 | 潘见 | Gas-synergic super-high-pressure sterilizing method for liquid material |
| CN201624119U (en) * | 2010-01-27 | 2010-11-10 | 中国农业大学 | High-pressure carbon dioxide sterilizer |
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2014
- 2014-04-11 CN CN201410143798.5A patent/CN103932349B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1788795A (en) * | 2005-12-14 | 2006-06-21 | 浙江大学 | Carbon dioxide pressurized sterilization method under normal temperature |
| CN1850280A (en) * | 2006-05-17 | 2006-10-25 | 潘见 | Gas-synergic super-high-pressure sterilizing method for liquid material |
| CN201624119U (en) * | 2010-01-27 | 2010-11-10 | 中国农业大学 | High-pressure carbon dioxide sterilizer |
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