CN107494721A - It is a kind of to improve a bar apparatus and method for denier wood radio frequency sterilization uniformity - Google Patents
It is a kind of to improve a bar apparatus and method for denier wood radio frequency sterilization uniformity Download PDFInfo
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- CN107494721A CN107494721A CN201710926612.7A CN201710926612A CN107494721A CN 107494721 A CN107494721 A CN 107494721A CN 201710926612 A CN201710926612 A CN 201710926612A CN 107494721 A CN107494721 A CN 107494721A
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- container
- bar
- layer
- radio frequency
- denier
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23B—PRESERVING, e.g. BY CANNING, MEAT, FISH, EGGS, FRUIT, VEGETABLES, EDIBLE SEEDS; CHEMICAL RIPENING OF FRUIT OR VEGETABLES; THE PRESERVED, RIPENED, OR CANNED PRODUCTS
- A23B9/00—Preservation of edible seeds, e.g. cereals
- A23B9/02—Preserving by heating
- A23B9/04—Preserving by heating by irradiation or electric treatment
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23B—PRESERVING, e.g. BY CANNING, MEAT, FISH, EGGS, FRUIT, VEGETABLES, EDIBLE SEEDS; CHEMICAL RIPENING OF FRUIT OR VEGETABLES; THE PRESERVED, RIPENED, OR CANNED PRODUCTS
- A23B9/00—Preservation of edible seeds, e.g. cereals
- A23B9/02—Preserving by heating
- A23B9/025—Preserving by heating with use of gases
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Chemical & Material Sciences (AREA)
- Food Science & Technology (AREA)
- Polymers & Plastics (AREA)
- Food Preservation Except Freezing, Refrigeration, And Drying (AREA)
Abstract
A bar apparatus and method for denier wood radio frequency sterilization uniformity, including first layer bar denier wooden container, the second layer bar denier wooden container, third layer bar denier wooden container, the 4th layer of bar of denier wooden container, layer 5 bar denier wooden container are improved the invention discloses a kind of.Comprise the following steps：Order puts 5 layers of container position；To a bar denier wood hot blast auxiliary radio frequency heating 3min；Backward puts the position of 5 layers of container；To a bar denier wood hot blast auxiliary radio frequency heating 3min；Stop being incubated 15min to a bar denier wood radio frequency heating, 72 DEG C of hot blasts；Stop hot blast insulation, be quickly cooled to room temperature.Cause the situation of idiotrophic value damage because heating is too high using present invention, avoiding the Ba Danmu of container corner, Ba Danmu is uniformly heated in radio frequency processing.
Description
Technical field
It is especially a kind of to improve bar denier wood radio frequency sterilization the present invention relates to the radio frequency sterilization technology field to fruit and seed
The apparatus and method of even property.
Background technology
According to FAO's staqtistical data base（FAOSTAT）It has been shown that, the U.S., Spain, Australia, Italy,
The yield position of the state bar denier wood of Turkey and China etc. six is at the forefront in the world.Research shows bar denier wood Linoleic acid, leukotrienes etc. no
Saturated fatty acid and content of vitamin E are higher, have very high nutritive value and medical value, so Ba Danmu receives consumption
Person's accepts extensively and likes.At present, California, USA supplies ground as global maximum Ba Danmu, in Ba Danmu harvest process
In, have that bar denier wood is vibrated from tree, Ba Danmu is spontaneously dried on the ground or by dried Ba Danmu such as by ripe
During some of truck being transported to from ground, because bar denier wood and the soil on ground, irrigation water, the agricultural chemicals that sprays etc. contact,
Cause the problem of Ba Danmu is by microbiological contamination.Meanwhile such as remove the peel, shell, pack, transport in Ba Danmu process
Defeated, sale and storage etc., the pathogen that Ba Danmu is carried can survive for a long time, when pathogen is in suitable epidemic disaster bar
It during part, can rapidly breed, potential hazard is formed to eater's health.In addition, salmonella and Escherichia coli etc. are infected
The Ba Danmu of strong pathogenic bacteria, even if amount of contamination is seldom, it can also trigger food-safety problem after people is edible, therefore in Ba Danmu
Microbiological contamination problem turns into new food-safety problem.Fruit and seed is carried out using radio frequency sterilization technology both at home and abroad
Preserving and sterilizing processing, radio frequency heating can be penetrated into inside material, cause the vibration of the internally charged particle of material to migrate, by electromagnetic energy
It is converted into heat energy.Because radio frequency heating overcomes the limitation of prior heat treatment, make Ba Danmu inside and outside while heat, reach overall
The effect of heating, so radiothermics is because the advantages that its distinctive penetration power is strong and firing rate is fast is by as a kind of new
Type heat treatment method is used for Pesticidal and sterilizing.But the problem of diverse location heating is uneven during radio frequency heating be present,
During radio frequency processing bar denier wood, due to wall and corner effect caused by radio frequency heating, the edge temperature of bar denier wooden container is held
Degree raises at first, causes bar denier wood temperature of edge to be significantly larger than bar denier wood temperature of its elsewhere.Although added using radio frequency
Thermal technology finally can all kill harmful mushrooms such as the salmonella in bar denier wood, but the Ba Danmu of edge was heated because of it
Greatly, itself nutritive value of major injury.Heated in consideration of it, invention one kind can improve Ba Danmu in radio frequency processing
The apparatus and method of uniformity, it is professional person's urgent problem to be solved in the industry.
The content of the invention
In view of the above-mentioned deficiencies in the prior art, it is an object of the present invention to providing a kind of bar denier wood radio frequency that improves sterilizes a uniformity
Apparatus and method, to solve the problems, such as that existing bar of denier wood heats non-uniform phenomenon present in radio frequency sterilization process.
Realizing above-mentioned purpose is realized by following technical scheme：The a kind of of the present invention improves a bar denier wood radio frequency sterilization uniformity
Device by first layer bar denier wooden container, the second layer bar denier wooden container, third layer bar denier wooden container, the 4th layer of bar of denier wood
Container, the part of layer 5 bar denier wooden container five composition.Wherein, comprise the following steps：
Order puts 5 layers of container position：The Ba Danmu for weighing phase homogenous quantities is put into every layer of container, by first layer bar
Denier wooden container, the second layer bar denier wooden container, third layer bar denier wooden container, the 4th layer of bar of denier wooden container, layer 5 bar
Denier wooden container is vertically put from top to bottom according to 1,2,3,4,5 order, and the container material is polypropylene or poly- second
Alkene.
To a bar denier wood hot blast auxiliary radio frequency heating 3min：Just start to before bar denier wood radio frequency processing, opening air-heater,
After preheating 1 hour, 5 layers of container are put on the bottom crown of radio-frequency apparatus, open radio-frequency apparatus, radio frequency is aided in using hot blast
Heating carries out sterilization processing to bar denier wood, and the processing time of this process is about 3min.
Backward puts the position of 5 layers of container：Radio-frequency apparatus is closed, puts 5 layers of collection again on radio-frequency apparatus bottom crown
The order of vanning, by first layer bar denier wooden container, the second layer bar denier wooden container, third layer bar denier wooden container, the 4th layer
Bar denier wooden container, layer 5 bar denier wooden container are vertically put from top to bottom according to 5,4,3,2,1 order.
To a bar denier wood hot blast auxiliary radio frequency heating 3min：Radio-frequency apparatus is opened, continues bar denier wood hot blast to 5 layers of container
Radio frequency heating is aided in, this process is all 3min to Ba Danmu radio-frequency treatment time.
Stop being incubated 15min to a bar denier wood radio frequency heating, 72 DEG C of hot blasts：Aided in bar denier wood hot blast to 5 layers of container
After the radio frequency heating time reaches 6min, radio-frequency apparatus is closed, stops the radio frequency processing to Ba Danmu, only continued with 72 DEG C of hot blast
To a bar denier wood insulation, soaking time 15min.
Stop hot blast insulation, be quickly cooled to room temperature：Ba Danmu after isothermal holding is quickly cooled to room temperature.
Preferably, the individual layer container cubic be 30.0 length it is × 22.0 wide × 2.0 high cm3.
Preferably, bar denier wood weight in every layer of container is 0.3Kg, moisture content 10.0%.
Preferably, the frequency of the radio-frequency apparatus is 27.12MHz, power 6KW.
Preferably, it is described just to start to open air-heater before bar denier wood radio frequency processing, by air-heater temperature setting
For 72 degree.
Preferably, described is 12cm to RF plate spacing in 5 layers of bars of denier wooden containers progress radio frequency method for disinfection.
Preferably, the hot blast auxiliary temperature is 72 DEG C.
Preferably, described bar of denier wood is cooled to room temperature by the way of fan is forced quickly to cool down, and wind speed is about 3.5m/s.
The remarkable advantage of the present invention is to propose becomes 5 layers of container by bar denier wood radio frequency sterilization of flood container
Order is put in the sterilization of bar denier wood radio frequency, the position by changing 5 layers of container during the radio frequency heating to Ba Danmu, and right
It is incubated 15min in 72 DEG C of hot blast, so as to play a part of improving bar denier wood heating uniformity.This method is not only simple
It is easily operated, make the Badamu storage time of acquisition elongated, it is often more important that to avoid the Ba Danmu of container corner because of heating
Situation that is too high and causing idiotrophic value damage, has preferable practical performance and promotion prospect.
Brief description of the drawings
Fig. 1 is the step flow chart of the present invention.
Fig. 2 is the structural representation of 5 layers of bars of denier wooden container devices.
Fig. 3 is the structural representation of traditional flood bar denier wooden container device.
Fig. 4 is radio-frequency apparatus structural representation.
Embodiment
This patent is further illustrated with embodiment below in conjunction with the accompanying drawings.
Such as Fig. 2, a kind of apparatus and method of raising bar denier wood radio frequency of the invention sterilization uniformity are by first layer bar denier wood
Container 1, the second layer bar denier wooden container 2,3, the 4th layers of bar denier wooden container 4 of third layer bar denier wooden container, the 5th layer of bar denier
Wooden container 5 forms.
Specific work process：Reference picture 1 and Fig. 4；
Step S10：Order puts 5 layers of container position.First, the Ba Danmu that the gross weight that water content is 10% is 1.5Kg is averaged
Be divided into 5 parts, every a 0.3Kg Ba Danmu be put into every layer of container, the capacity of every layer of container for 30.0 length ×
22.0 wide × 2.0 high cm3, by first layer bar denier wooden container 1, the second layer bar denier wooden container 2, third layer bar denier wooden container
3rd, four layer of bar of denier wooden container 4, the 5th layer of bar of denier wooden container 5 are vertically put from top to bottom according to 1,2,3,4,5 order,
And the material of container is polypropylene or polyethylene.
Step S20：To a bar denier wood hot blast auxiliary radio frequency heating 3min.Air-heater is opened, by air-heater temperature setting
For 72 degree, preheat 1 hour.Then, 5 layers of container are put on the bottom crown of radio-frequency apparatus, start radio-frequency apparatus to Ba Danmu
Radio frequency hot blast processing is carried out, the wherein frequency range of radio-frequency apparatus is 27.12MHz, and RF plate spacing is 12cm, and auxiliary hot blast is 72
DEG C, this process is about 3min to Ba Danmu radio-frequency treatment time.
Step S30：Backward puts 5 layers of container position.Radio-frequency apparatus is then shut off, at radio frequencies on pole plate, is put again
The order of 5 layers of container is put, according to 5,4,3,2,1 order by first layer bar denier wooden container 1, the second layer bar denier wooden container
2nd, third layer bar denier wooden container 3, the 4th layer of bar of denier wooden container 4, the 5th layer of bar of denier wooden container 5 are vertically put from top to bottom.
Step S40：To a bar denier wood hot blast auxiliary radio frequency heating 3min.Radio-frequency apparatus is opened, continues bar to 5 layers of container
Denier wood hot blast aids in radio frequency heating, and this process is to the Ba Danmu same about 3min of radio-frequency treatment time, the temperature of bar denier wood after processing
Degree has reached 72 DEG C.
Step S50：Stop being incubated 15min to a bar denier wood radio frequency heating, 72 DEG C of hot blasts.In the Ba Danmu to 5 layers of container
After the radio frequency heating time reaches 6min, close radio-frequency apparatus, stop the radio frequency processing to Ba Danmu, only retain 72 DEG C hot blast after
It is continuous that bar denier wood is incubated, soaking time 15min.
Step S60：Stop hot blast insulation, be quickly cooled to room temperature.Finally, hot blast is stopped to the Ba Danmu of 5 layers of container
Insulation, is then taken out and is cooled fast to room temperature using fan, wherein wind speed is about 3.5m/s.
The invention provides one group of control experiment to verify effect of the inventive method to raising bar denier wood heating uniformity.
Verification method with reference to homogeneous heating sex index, homogeneous heating sex index be within processing time, the standard deviation of sample temperature with
The ratio that average sample temperature rises, i.e. homogeneous heating sex index are smaller, and to represent heating effect uniformity better.
Check experiment 1：The measure of homogeneous heating sex index
Experimental group 1.1：The radio frequency sterilization heating uniformity assessment of indices of 5 layers of container bar denier wood
The unified Ba Danmu of maturity is chosen, is put into the 0.3Kg bars of denier wood of water content 10% for portion in one layer of container, even
Put 5 layers of container（1.5Kg altogether）, 5 layers of container are put on the bottom crown of radio-frequency apparatus.Then in 5 kinds of different sterilizations
Under the conditions of carry out homogeneous heating sex index compare：Scheme 1, the Ba Danmu of 5 layers of container is only used into radio frequency heating；Scheme 2, by 5
The Ba Danmu of layer container aids in radio frequency heating with hot blast；Scheme 3, the Ba Danmu hot blasts auxiliary radio frequency of 5 layers of container is added
Heat, and individual layer 4,5 is moved to during radio frequency heating 1 top；Scheme 4, the Ba Danmu hot blasts of 5 layers of container is auxiliary
Help radio frequency heating and during radio frequency heating by 1,2,3,4,5 put order change into 5,4,3,2,1 put order；Scheme
5,5 layers of bars of denier wood are aided in into radio frequency heating with hot blast and change 1,2,3,4,5 order of putting into 5 during radio frequency heating,
4,3,2,1 put order, and with 72 DEG C of hot blasts insulation 15 minutes.
Control group 1.2：The radio frequency sterilization heating uniformity assessment of indices of flood container bar denier wood
Reference picture 3, the unified Ba Danmu of maturity is chosen, the Ba Danmu by the 1.5kg that water content is 10% is that portion is put into capacity
For 30.0 length it is × 22.0 wide × 10 high cm 3 flood container in, flood container is put on the bottom crown of radio-frequency apparatus.
Then homogeneous heating sex index is carried out under 5 kinds of different sterilization conditions to compare：Scheme 1, by 1.5kg bars of denier of flood container
Wood only uses radio frequency heating；Scheme 2,1.5kg bars of denier wood of flood container is aided in into radio frequency heating with hot blast；Scheme 3, by flood
1.5kg bars of denier wood of container aids in radio frequency heating with hot blast and once stirred；Scheme 4, by the 1.5kg of flood container
Ba Danmu aids in radio frequency heating with hot blast and stirred twice；Scheme 5, by 1.5kg bars of denier wood hot blast of flood container
Radio frequency heating is aided in, and progress stirring twice and 72 DEG C of hot blasts are incubated 15 minutes.
The radio frequency sterilization heating uniformity assessment of indices of 1 five layers of container bar denier wood of table
The radio frequency sterilization heating uniformity assessment of indices of the flood container bar denier of table 2 wood
It can be seen that by the result of Tables 1 and 2 control experiment：A kind of dress of raising bar denier wood radio frequency sterilization uniformity of the present invention
Put and method, carry out radio frequency sterilization processing to bar denier wood using 5 layers of container and a bar denier wood progress radio frequency is killed with flood container
When bacterium processing is compared, the homogeneous heating sex index on wooden upper strata of 5 kinds of sterilization processing condition chin denier, centre and bottom will substantially drop
Much lower, illustrating will be apparently higher than flood packaging to a bar denier wood progress radio frequency sterilization processing heating uniformity using 5 layers of container
Case radio frequency processing.Moreover, by can be seen that experimental data under 5 kinds of sterilization conditions in experimental group 1.1 using scheme 5, Ba Dan
The homogeneous heating sex index of wood is substantially more much lower than other 4 kinds of scheme homogeneous heatings sex index, shows one kind using the present invention
It is best for improving bar heating uniformity effect of denier wood to improve bar apparatus and method of denier wood radio frequency sterilization uniformity.
Compared with the prior art, the substantive distinguishing features that have of the present invention and marked improvement be：
Bar denier wood radio frequency sterilization that the present invention becomes bar denier wood radio frequency sterilization of flood container in 5 layers of container improves a bar denier
Heating uniformity of the wood in radio frequency sterilization process, cause certainly because heating is too high so as to avoid the Ba Danmu of container corner
The situation of body nutritive value damage occurs.Such a method is simple and convenient, has good practical performance and promotion prospect.
Claims (1)
1. a kind of improve a bar apparatus and method for denier wood radio frequency sterilization uniformity, it is characterised in that：By first layer bar denier wood packaging
Case 1, the second layer bar denier wooden container 2,3, the 4th layers of bar denier wooden container 4 of third layer bar denier wooden container, the 5th layer of bar of denier wood collection
Case 5 five parts composition, wherein, comprise the following steps：
Order puts 5 layers of container position：The Ba Danmu for weighing phase homogenous quantities is put into every layer of container, by first layer bar
Denier wooden container, the second layer bar denier wooden container, third layer bar denier wooden container, the 4th layer of bar of denier wooden container, layer 5 bar
Denier wooden container is vertically put from top to bottom according to 1,2,3,4,5 order, and the container material is polypropylene or poly- second
Alkene；
To a bar denier wood hot blast auxiliary radio frequency heating 3min：Air-heater is opened, after preheating 1 hour, 5 layers of container is put into and penetrated
On the bottom crown of frequency equipment, radio frequency heating is aided in carry out sterilization processing to bar denier wood using hot blast, the processing time of this process is about
For 3min；
Backward puts the position of 5 layers of container：Radio-frequency apparatus is closed, puts 5 layers of container again on radio-frequency apparatus bottom crown
Order, by first layer bar denier wooden container, the second layer bar denier wooden container, third layer bar denier wooden container, the 4th layer of bar denier
Wooden container, layer 5 bar denier wooden container are vertically put from top to bottom according to 5,4,3,2,1 order；
To a bar denier wood hot blast auxiliary radio frequency heating 3min：Radio-frequency apparatus is opened, continues bar denier wood hot blast auxiliary to 5 layers of container
Radio frequency heating, this process are all 3min to Ba Danmu radio-frequency treatment time；
Stop being incubated 15min to a bar denier wood radio frequency heating, 72 DEG C of hot blasts：Radio frequency is aided in bar denier wood hot blast to 5 layers of container
After heat time reaches 6min, close radio-frequency apparatus, stop the radio frequency processing to Ba Danmu, only with 72 DEG C of hot blast continue to bar
Denier wood insulation, soaking time 15min；
Stop hot blast insulation, be quickly cooled to room temperature：Ba Danmu after isothermal holding is quickly cooled to room temperature；
The individual layer container cubic be 30.0 length it is × 22.0 wide × 2.0 high cm3；
Bar denier wood weight in every layer of container is 0.3Kg, gross weight 1.5Kg, moisture content 10.0%；
The frequency of the radio-frequency apparatus is 27.12MHz, power 6kW；
It is described just to start to open air-heater before bar denier wood radio frequency processing, it is 72 DEG C by air-heater temperature setting；
Described is 12cm to radio frequency hot blast pole plate spacing in 5 layers of bars of denier wooden containers progress radio frequency method for disinfection；
The hot blast auxiliary temperature is 72 DEG C；
Described bar of denier wood is cooled to room temperature by the way of fan is forced quickly to cool down, and wind speed is about 3.5m/s.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710926612.7A CN107494721B (en) | 2017-10-08 | 2017-10-08 | Device and method for improving radio frequency sterilization uniformity of badam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710926612.7A CN107494721B (en) | 2017-10-08 | 2017-10-08 | Device and method for improving radio frequency sterilization uniformity of badam |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107494721A true CN107494721A (en) | 2017-12-22 |
| CN107494721B CN107494721B (en) | 2023-07-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710926612.7A Active CN107494721B (en) | 2017-10-08 | 2017-10-08 | Device and method for improving radio frequency sterilization uniformity of badam |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108402352A (en) * | 2018-02-08 | 2018-08-17 | 广东嘉豪食品有限公司 | It is a kind of using blended fruit juice underflow as the production method of the high activity fruit juice ferment of raw material |
-
2017
- 2017-10-08 CN CN201710926612.7A patent/CN107494721B/en active Active
Non-Patent Citations (1)
| Title |
|---|
| RUI LI等: "Verification of radio frequency pasteurization process for in-shell almonds" * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108402352A (en) * | 2018-02-08 | 2018-08-17 | 广东嘉豪食品有限公司 | It is a kind of using blended fruit juice underflow as the production method of the high activity fruit juice ferment of raw material |
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| Publication number | Publication date |
|---|---|
| CN107494721B (en) | 2023-07-21 |
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