CN2843090Y - High-density CO2 sterilizer - Google Patents
High-density CO2 sterilizer Download PDFInfo
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- CN2843090Y CN2843090Y CN 200520132590 CN200520132590U CN2843090Y CN 2843090 Y CN2843090 Y CN 2843090Y CN 200520132590 CN200520132590 CN 200520132590 CN 200520132590 U CN200520132590 U CN 200520132590U CN 2843090 Y CN2843090 Y CN 2843090Y
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- high density
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Abstract
The utility model discloses a high density CO2 sterilizing device, particularly a high density CO2 sterilizing device used for sterilization and enzyme inactivation of liquid food. The utility model has the technical scheme that the utility model is provided with a treatment kettle (13) which is connected to a high density CO2 generating device; the utility model is also provided with a raw material storing tank (23), a treatment material storing tank (22) and a decompression device which is connected to the treatment kettle (13), and a creep pump (24) is installed between the raw material storing tank (23) and the treatment kettle (13). The utility model is characterized in that the utility model also has at least one structural characteristic of the following structural characteristics: a vacuum pump (2) is connected to the treatment kettle (13); the high density CO2 generating device and the raw material storing tank (23) are connected to the treatment kettle (13) through a three-way valve (12) by using the same pipeline. The high density CO2 sterilizing device of the utility model uses an integral design. The utility model has the advantages of simple operation, safe utilization, favorable effects of sterilization and enzyme inactivation, etc.
Description
Technical field
The utility model relates to a kind of high density CO
2Sterilizing unit, especially a kind of high density CO that is used for the blunt enzyme of liquid food sterilization
2Sterilizing unit.
Background technology
The putrid and deteriorated of food mainly caused by microorganism and enzyme.Therefore fully kill the microorganism (pathogenic bacteria, spoilage organisms and toxigenic bacterium) and the passivation food endogenous enzymes that exist in the food and can guarantee food security and the key that prolongs the food shelf life.For a long time, in food industry, extensively adopt the heat sterilization method (as pasteurize, high temperature, short time (HTST), superhigh temperature (UHT), Ohmic heating and microwave disinfection etc.) food is carried out the sterilization and the enzyme that goes out, adopt 72 ℃ as the bus method for disinfection, 15 seconds, the ultra high temperature short time sterilization method adopts 130 ℃, 3-6 second, though these method efficient height, effective, can prolong the shelf life of product, but pasteurization also can bring adverse influence to food quality, heating makes fresh products lose original freshness, change flavours in food products, even produce various peculiar smell (as the boiling flavor), thermal sensitivity composition in the food such as nutritional labeling there are destruction with some functional components.Therefore, hot-working is not suitable for those sterilizations of paying attention to the food of local flavor and freshness.
CO
2Be a kind of natural antimicrobial agent, separately interaction energy suppresses the aerobic growth of microorganism, but can not kill microorganisms, combine then with pressure to reach effective bactericidal effect, so high density CO
2Method has become a kind of novel non-thermal sterilization technology in the food processing field.Basic principle is the processing still that food is placed sealing, gives highdensity CO
2Handle, form high pressure, high acid environment, under certain temperature and pressure, food is handled, thereby kill microorganisms and inactive enzyme make food be able to Long-term Storage.
High density CO
2Technology is as non-heat sterilization technology, have significant advantage: (1) is compared with hot-working, food material is handled at low temperatures and under the environmental condition of carbon dioxide, and nutritional labeling in the food and flavor substance are difficult for oxidized destruction, can the original quality of retaining food product; (2) compare with super-pressure (100MPa-1000MPa) technology, have characteristics such as pressure is low, cost is low, energy savings, safety non-toxic, noiselessness; (3) be a kind of clean technology of green, have environmental protection close friend's characteristics, can not damage environment.
This technology has caused some researchers' of developed country extensive concern, and states such as the U.S., Japan are to high density CO
2Years of researches have been carried out in the basis of technology and application, have produced the high density CO that the laboratory is used and industry test is used
2Treating apparatus.High density CO in recent years
2Technology is used more and more wider, has especially carried out a lot of correlative studys abroad in the application facet of food liquid such as Juice, milk etc.But present existing high density CO
2Treating apparatus also exists complex structure, easily causes that material is residual, bactericidal effect is not a shortcoming such as very good, and the design of single unit system is still waiting further to improve and optimize.
Summary of the invention
The purpose of this utility model is that a kind of high density CO will be provided
2Sterilizing unit, characteristics such as it has rational in infrastructure, and bactericidal effect is good.
Comprise in order to reach the technical scheme that the purpose of this utility model takes: handle still 13, and handle the high density CO that still 13 is connected
2Generating means reaches raw material storage tank 23 and handles material storage tank 22, and the decompressor that is connected with processing still 13 is equipped with peristaltic pump 24 between raw material storage tank 23 and processing still 13, it is characterized in that it at least also comprises with the next item down design feature:
1) is connected with a vavuum pump 20 with processing still 13;
2) high density CO
2Generating means uses same pipeline to be connected with processing still 13 with raw material storage tank 23 by a triple valve 12.
Above-mentioned high density CO
2In the sterilizing unit, respectively be connected with a thermometer at the top and the middle part of handling still 13.
Above-mentioned high density CO
2In the sterilizing unit, raw material storage tank 23 and processing material storage tank 22 place same operating desk.
Above-mentioned high density CO
2In the sterilizing unit, the edge of handling still 13 is provided with the very strong teflin ring of toughness 28.
Above-mentioned high density CO
2Be furnished with the water-bath heater in the sterilizing unit, the outside of handling still 13 is provided with one deck constant temperature water bath cover and one deck muff.
Above-mentioned high density CO
2In the sterilizing unit, at high density CO
2Between generating means and the processing still 13 preheater 11 is installed, this preheater 11 links to each other with the water-bath device, highdensity CO
2Must be before entering processing still 13 through preheating.
The utility model high density CO
2Sterilizing unit adopts integrated design, has easy and simple to handle and advantage such as experimental safe.The employing of its intermediate pump, high density CO
2The connected mode of generating means and raw material storage tank 23 and processing still 13 has all greatly been optimized the performance of this device, has promoted treatment effect.Evidence has the blunt enzyme effect of good sterilization in the processing to liquid food and simultaneously the quality of food is not had the conspicuousness influence.
Description of drawings
Fig. 1 is the utility model high density CO
2The structural representation of sterilizing unit;
Fig. 2 is the utility model high density CO
2Handle the cutaway view of still in the sterilizing unit.
The specific embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is described.
As shown in Figure 1,1 is the CO2 gas cylinder, and 2 is valve a, 3 is filter, and 4 is Pressure gauge, and 5 is the sub-cooled groove, 6 is valve b, and 7 is CO2 high pressure frequency modulation pump, and 8 is pressure sensor a, 9 is atmospheric valve, and 10 is valve c, and 11 is preheater, 12 is triple valve, and 13 for handling still, and 14 is thermometer a, 15 is thermometer b, and 16 is pressure sensor b, and 17 is valve d, 18 are the fine setting atmospheric valve, 19 is valve e, and 20 is vavuum pump, and 21 is valve f, 22 for handling the material storage tank, 23 is raw material storage tank, and 24 is peristaltic pump, and 25 are the water-bath device.
As seen from Figure 1, whole high density CO
2Sterilizing unit mainly comprises five parts:
1) high density CO
2Generating means part: comprise CO
2Gas cylinder 1, filter 3, sub-cooled groove 5, CO
2High pressure frequency modulation pump 7.
High density CO
2Generating means is whole high density CO
2One of key of disinfection system, so high density CO
2The generating means part occupies an important position in whole system, must satisfy the needs of test to greatest extent.The CO that comes out from gas cylinder
2(purity is 99.9%) is by 3 filtration sterilizations of process sterilizing filter, (the cooling bath tank capacity is 500mL to pass through sub-cooled groove 5 again, pressure-bearing is 0-16MPa, and temperature is 0-10 ℃ of cooling liquefaction, forms the CO of higher pressure under the effect of high pressure frequency modulation pump 7 (operating pressure is 0-50MPa)
2, the process preheater is preheating to the temperature of setting again, enters the processing still 13 of sealing, forms high density CO
2Processing environment.
2) boost and dropping equipment: comprise pressure sensor a8, pressure sensor b16, triple valve 12, fine setting atmospheric valve 18 and valve d17.
The entire process system rate of rise is set by the pressure sensor that links to each other with high pressure frequency modulation pump and handle pressure by the speed decision of high pressure frequency modulation pump, and when pressure reached setting value, high pressure frequency modulation pump can stop automatically, makes the pressure of handling still keep constant.During step-down, combine at the uniform velocity with CO by fine setting atmospheric valve 18 and valve d
2Emptying makes the interior pressure of processing still be reduced to normal pressure gradually.
3) handle the still part: comprise high density CO
2Handle still 13, vavuum pump 20 and thermometer, concrete structure figure sees Fig. 2, and among the figure, 26 for handling the muff of still 13, and 27 is tank, and 28 is teflin ring, and 29 for handling the base of still 13.
Handling still is high density CO
2The important component part of disinfection system, structure and the parameter of handling still directly influence high density CO
2Bactericidal effect.Handle the column type that is designed to of still among the present invention, the entire container structure is the stainless steel design, container edge is provided with the very strong teflin ring of toughness 28, fixes with six steel screws behind the cover lid again, makes the entire process still can reach excellent sealing and resistance to compression effect.In the present embodiment, the capacity of handling still is 1000mL, and maximum pressure-bearing can reach 75MPa, and there are one deck constant temperature water bath cover 27 and one deck muff 26 in the outside, can guarantee that material can be handled under constant temperature and pressure.Can show the temperature of handling still top and middle part in the processing procedure with two thermometers 14 handling that the still upper end links to each other with the middle part and 15, show the actual temperature of processing still inside more truly, use is electric couple thermometer in the present embodiment.The pressure sensor b16 that links to each other with the processing still can show the pressure in the processing procedure.An end interface of handling still 13 links to each other with vavuum pump 20, can be to without high density CO
2The material of the handling processing that outgases earlier makes to be in anaerobic state in the material, feeds CO then
2Handle.Compare with existing apparatus, can significantly improve the effect of the blunt enzyme of sterilization.
In the present embodiment, CO
2Import and material inlet use same pipeline, adopt triple valve control: advanced material, advance CO by same pipeline then
2Avoided the material residual contamination that causes because of two inlet pipelines that adopt in the existing apparatus.When being oversimplified, overall structure also improved the effect of handling.
4) water-bath heating part: comprise CO
2Preheater 11 and processing still constant temperature water bath apparatus.
The temperature of handling in the still 13 is controlled highdensity CO by water-bath device 25
2Before entering the processing still, also must reach treatment temperature, can guarantee that like this material is handled under constant temperature through the preheater 11 that links to each other with the water-bath device.
5) material enters and collects part: comprise sterile working platform, raw material storage tank 23, handle material storage tank 22 and peristaltic pump 24.
In the present embodiment, raw material storage tank and processing material storage tank all place the sterile working platform, guarantee the gnotobasis of whole process.Material flow to from raw material storage tank 23 and handles still 13 under the effect of peristaltic pump 24, is back to after processing finishes to handle material storage tank 22.
Be the operating process of this device below:
1) decontamination system of the aseptic cabinet of test front opening, the cleaning of assurance processing environment and aseptic.
2) use chemical reagent inner and handle that still is sterilized fully and clean with aseptic water washing to whole loop.
3) bath apparatus of fetching boiling water makes and handles the temperature that reaches setting in the still.
4) raw material storage tank 23 that treating material will be housed is placed on injection port, starts peristaltic pump 24 and material is entered by the loop handle still 13.Opening 20 pairs of materials of vavuum pump outgases.Open CO then
2Gas cylinder starts the water-bath device and makes it reach design temperature.By high pressure frequency modulation pump 7 and the CO that links to each other with the water-bath device
2Preheater 11 makes CO
2Reach the pressure and the temperature that need, enter into and handle still 13 material is handled.Can close CO this moment
2Generating means.Material is under the constant pressure and temperature in the processing still 13.After processing time reaches, by the depressurizing system release.Open material after the valve f21 collection and treatment of handling still 13 lower pipeline then, it is flow to handle material storage tank 22.
5) close water-bath heating system and power-supply system, scavenger circuit.
It should be noted last that, above embodiment is only unrestricted in order to the explanation the technical solution of the utility model, although the utility model is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement the technical solution of the utility model, and not breaking away from the spirit and scope of technical solutions of the utility model, it all should be encompassed in the middle of the claim scope of the present utility model.
Claims (6)
1, a kind of high density CO
2Sterilizing unit comprises and handles still (13), the high density CO that is connected with processing still (13)
2Generating means, and raw material storage tank (23) and processing material storage tank (22), the decompressor that is connected with processing still (13) is equipped with peristaltic pump (24) between raw material storage tank (23) and processing still (13), it is characterized in that it at least also comprises with the next item down design feature:
1) is connected with a vavuum pump (20) with processing still (13);
2) high density CO
2Generating means uses same pipeline to be connected with processing still (13) with raw material storage tank (23) by a triple valve (12).
2, high density CO according to claim 1
2Sterilizing unit is characterized in that, respectively is connected with a thermometer at the top and the middle part of handling still (13).
3, high density CO according to claim 1 and 2
2Sterilizing unit is characterized in that, raw material storage tank (23) and processing material storage tank (22) place same operating desk.
4, high density CO according to claim 1 and 2
2Sterilizing unit is characterized in that, the edge of handling still (13) is provided with the very strong teflin ring of toughness.
5, high density CO according to claim 1 and 2
2Sterilizing unit is characterized in that, the outside of handling still (13) is provided with one deck constant temperature water bath cover and one deck muff.
6, high density CO according to claim 5
2Sterilizing unit is characterized in that, at high density CO
2Between generating means and the processing still (13) preheater (11) is installed, this preheater (11) links to each other with the water-bath device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520132590 CN2843090Y (en) | 2005-11-11 | 2005-11-11 | High-density CO2 sterilizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520132590 CN2843090Y (en) | 2005-11-11 | 2005-11-11 | High-density CO2 sterilizer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2843090Y true CN2843090Y (en) | 2006-12-06 |
Family
ID=37485050
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520132590 Expired - Fee Related CN2843090Y (en) | 2005-11-11 | 2005-11-11 | High-density CO2 sterilizer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2843090Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101579531B (en) * | 2009-06-09 | 2013-03-06 | 广东省农业科学院蚕业与农产品加工研究所 | Method for three-phase sterilization of liquid material and equipment thereof |
| CN108094584A (en) * | 2017-12-19 | 2018-06-01 | 贵州航天乌江机电设备有限责任公司 | A kind of overcritical method to tealeaves sterilizing |
| CN110771763A (en) * | 2019-11-25 | 2020-02-11 | 宁夏宝丰生态牧场有限公司 | Preparation method of cold-pressed medlar juice |
| CN112587697A (en) * | 2020-12-15 | 2021-04-02 | 马东骏 | Device and method for killing new coronavirus in cold chain article |
| CN112877166A (en) * | 2021-04-22 | 2021-06-01 | 鲁东大学 | Method for quickly clarifying blueberry wine based on high-density carbon dioxide treatment |
| CN113331338A (en) * | 2021-05-20 | 2021-09-03 | 北京大学 | High-pressure liquid CO for disinfection2Contact type quick-freezing equipment and implementation method |
-
2005
- 2005-11-11 CN CN 200520132590 patent/CN2843090Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101579531B (en) * | 2009-06-09 | 2013-03-06 | 广东省农业科学院蚕业与农产品加工研究所 | Method for three-phase sterilization of liquid material and equipment thereof |
| CN108094584A (en) * | 2017-12-19 | 2018-06-01 | 贵州航天乌江机电设备有限责任公司 | A kind of overcritical method to tealeaves sterilizing |
| CN110771763A (en) * | 2019-11-25 | 2020-02-11 | 宁夏宝丰生态牧场有限公司 | Preparation method of cold-pressed medlar juice |
| CN112587697A (en) * | 2020-12-15 | 2021-04-02 | 马东骏 | Device and method for killing new coronavirus in cold chain article |
| CN112877166A (en) * | 2021-04-22 | 2021-06-01 | 鲁东大学 | Method for quickly clarifying blueberry wine based on high-density carbon dioxide treatment |
| CN113331338A (en) * | 2021-05-20 | 2021-09-03 | 北京大学 | High-pressure liquid CO for disinfection2Contact type quick-freezing equipment and implementation method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20061206 Termination date: 20101111 |