CN206821875U - A kind of air-conditioning fresh-keeping device of the controlled atmosphere transportation fresh-retaining method of fruit and vegetable using dry ice - Google Patents
A kind of air-conditioning fresh-keeping device of the controlled atmosphere transportation fresh-retaining method of fruit and vegetable using dry ice Download PDFInfo
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- CN206821875U CN206821875U CN201720004347.2U CN201720004347U CN206821875U CN 206821875 U CN206821875 U CN 206821875U CN 201720004347 U CN201720004347 U CN 201720004347U CN 206821875 U CN206821875 U CN 206821875U
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- dry ice
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Abstract
The utility model discloses the air-conditioning fresh-keeping device of the controlled atmosphere transportation fresh-retaining method of the fruit and vegetable using dry ice, it is characterized in that including foam case lid, foam casing, it is air-adjustable fresh-keeping bag in casing, freshness protection package is divided into fruits and vegetables placed layer and dry ice placed layer, heat seal is connected between two layers, and fruits and vegetables are left on connecting portion and dry ice places passage for gas exchanges between two layers.Fruit and vegetable after harvesting is put into air-adjustable fresh-keeping bag after arranging and sorting；Dry ice is put into air-adjustable fresh-keeping bag dry ice layer, loading usual foam case after rapid sealing is transported.Method of the present utility model can extend the time that fruits and vegetables keep fresh by the respiration for reducing fruits and vegetables temperature, suppressing fruits and vegetables, while reduce vibration mechanical damage to caused by fruits and vegetables in transportation, improve fruits and vegetables quality, meet the market demand.
Description
Technical field
It the utility model is related to fruit and vegetable storage and transportation technical field, the controlled atmosphere fortune of more particularly to a kind of fruit and vegetable using dry ice
The air-conditioning fresh-keeping device of defeated preservation method.
Background technology
Fruit-vegetable quality deterioration main cause has：Respiration, evapotranspiration, microbial action, mechanical damage.Adopt rear fruits and vegetables
It is a life entity, cell still still plays an important role in carry out activity, respiration, promotes the nutriment quilt of fruits and vegetables
Consumption, absorb O2Discharge CO2Deng gas, while heat and moisture are produced, cause fruits and vegetables rotten and rotten.
Low temperature can reduce the physiological activity of fruits and vegetables, the activity of inhibitory enzyme, suppress growth of microorganism and breed, and reduce moisture
Evaporation, weightlessness is reduced, be the key factor of post-harvest fresh-keeping technology.In transportation influence fruits and vegetables temperature mainly have harvesting after itself
The heat that existing field heat, the respiration heat of fruits and vegetables and environment penetrate into.Precooling is taken to reduce field in post-harvest fresh-keeping technology
Heat, amount of heat is prevented to be delivered to fruits and vegetables by insulating packaging material.
Traditional storage fruit and vegetable method has simple storage, ventilation storehouse storage, radiation preservation, fresh chemically, freezer storage
Hide.Simple storage, ventilation storehouse storage facilities are simple, small investment, but storage effect is poor, and storage period is short, and loss of rotting is serious.Radiation
And fresh chemically has certain applicability on Some Fruits, but radiation and chemical residual pollution be present, not all fruits and vegetables can
Using.Air conditioned storage is the modernization preservation technology to grow up on the basis of traditional cold storing and fresh-keeping, it is considered to be current storage
The best storage method of water fruit effect.Air conditioning technology includes mechanical controlled atmosphere and spontaneous controlled-atmosphere two ways both at home and abroad at present.Machine
Tool controlled atmosphere cold is current state-of-the-art fruit and vegetable fresh preservation freezer, and it is on the basis of cold storing and fresh-keeping, increases gas componant
The equipment of regulation, by the control to the condition such as temperature, humidity, carbon dioxide, oxygen concentration and ethylene concentration in storage environment,
Suppress fruits and vegetables respiration, delay its metabolic processes, preferably keep fruits and vegetables freshness and commodity, extend fruit vegetables storing
Phase and sale shelf life, usual air conditioned storage can extend 2-3 times of storage period than common refrigeration, but controlled atmosphere cold has shortcoming：Controlled atmosphere
Storehouse is applied to large enterprise, and input is high, and cost is high, and maintenance cost is high, and applicable surface is not popularized.Spontaneous controlled-atmosphere refers to seal fruits and vegetables
In bag made of the plastic sheeting with specific gas permeability energy or account, the respiration for storing object-fruits and vegetables itself is utilized to drop
Oxygen concentration in low storage ambient, while gas concentration lwevel is improved, the requirement for meeting air conditioned storage is allowed to, so as to extend fruit
The storage method of vegetable storage period, oxygen content is 20.9% in normal atmosphere, and carbon dioxide content 0.03%, in theory, fruits and vegetables have
Oxygen is consumed in oxygen respiratory, produces carbon dioxide, and nitrogen then keeps constant, spontaneous controlled-atmosphere storage storage cost is low, behaviour
Make simple, but reach setting oxygen and time needed for carbon dioxide concentration levels is longer, the more difficult oxygen for maintaining to require in operation
Gas and gas concentration lwevel, thus hoarding effect has gap with mechanical controlled atmosphere.
Mechanical damage is one of the main reason for fruits and vegetables rot to degenerate in transporting procedures, it is estimated that, due to transportation
Postharvest fruit and vegetable loss reaches 25-45% caused by middle mechanical damage.It has been generally acknowledged that the vibration in transportation is to cause fruits and vegetables machinery damage
The main reason for hindering.Mechanical damage caused by Transport Vibration has a strong impact on the outward appearance of fruits and vegetables, and causes fruits and vegetables in storage
Moisture loss and tissue rot, and then influence the quality of fruit.
At present, transport particularly in electric business logistics fresh vegetable and fruit packaging typically all using on the rocks in outer foam case and case
The preservation method of bag, also without a kind of controlled atmosphere technical method for being used in fruits and vegetables transportation take into account cooling simultaneously, buffer.
The content of the invention
The technical problems to be solved in the utility model, which is to provide one kind, to be changed package while fruits and vegetables temperature is reduced
Composition of gases within ratio, also there is bumper and absorbing shock function, the method for realizing fruit and vegetable air-conditioning preservation technology in structure.
In order to solve the above-mentioned technical problem, the utility model is achieved through the following technical solutions：
A kind of air-conditioning fresh-keeping device of the controlled atmosphere transportation fresh-retaining method of fruit and vegetable using dry ice, it is characterised in that controlled atmosphere
Freshness protection package is placed in usual foam case and transported, and bubble chamber includes case lid 1, casing 2, in casing freshness protection package be divided into fruits and vegetables placed layer and
Dry ice placed layer, between two layers heat seal connect, fruits and vegetables are left on connecting portion and dry ice places passage 4, between two layers
Gas exchanges.
Wherein described fruits and vegetables placed layer includes first half freshness protection package 3 and first half freshness protection package sealing 7；Effect be for
Fruits and vegetables provide independent controlled atmospheric packing；Described dry ice placed layer includes lower half dry ice bag sealing 5 and lower half dry ice bag 6,
Effect is that dry ice is not directly contacted with fruits and vegetables；The gentle On The Drug Release dry ice of dry ice placed layer storage.Make the carbon dioxide in freshness protection package
Content maintains controlled atmosphere concentration, and the effect of fruit and vegetable air-conditioning preservation is reached in transportation.When dry ice is rising in dry ice placed layer
During Huawei's gas, partial heat is taken away in fruits and vegetables out of freshness protection package, the temperature of fruits and vegetables in transportation is reduced, delays fruits and vegetables aging
Deterioration.
The air-conditioning fresh-keeping device of the controlled atmosphere transportation fresh-retaining method of the described fruit and vegetable using dry ice, its described fruits and vegetables and
Passage is left on the connecting portion of dry ice placed layer, aperture is unlimited less than 1cm, number.Described freshness protection package, the material of ice bag
Matter is-plastics.
Gas of the dry ice in distillation for certain volume, this gas can make the guarantor of sealing in dry ice placed layer of the present utility model
Gas pressure increases in fresh bag, and then dry ice placed layer is strutted, and volume increases to form airbag structure, this air bag fruits and vegetables layer with
Buffer structure is formed between outer bubble chamber, damping and fixation are played in fruits and vegetables transportation, reduces fruits and vegetables because vibration is produced
Raw mechanical wounding.
The utility model further discloses a kind of controlled atmosphere transportation fresh-retaining method of the fruit and vegetable using dry ice, and it is special
Sign is to carry out by the steps：
（1）Fruit and vegetable after harvesting is put into air-adjustable fresh-keeping bag fruits and vegetables placed layer after arranging and sorting, sealed；
（2）A certain amount of dry ice is put into air-adjustable fresh-keeping bag dry ice placed layer, sealed；
（3）Load usual foam case after rapid sealing to be transported；
The calculation formula of wherein a certain amount of dry ice usage amount is as follows；
In formula, X --- dry ice weight, g
Y --- C0 in packaging2Volume fraction, %
The volume of Z --- packaging bag, L
K --- it is fitted into the quality of vegetables in packaging bag, g
ρ --- it is fitted into the density of vegetables in packaging bag, g/L
0.509 --- the C0 that 1g dry ice discharges2Volume, L/g
The described fresh-keeping calculation formula of dry ice pre-refrigerating multi-kind airUtilize different fruit and vegetables
Preservation temperature, three carbon dioxide gas degree of thickening, fruit and vegetable loading amount variables calculate a kind of calculating for obtaining dry ice usage amounts
Formula.This formula obtains via experiment is repeated.
The utility model further discloses is reducing fruit using the controlled atmosphere transportation fresh-retaining method of the fruit and vegetable of dry ice
Application in terms of vegetable temperature, suppression fruits and vegetables breathing.Particularly shaken in the fresh time reduction transportation of fruits and vegetables holding is extended
Application in terms of the dynamic mechanical damage to caused by fruits and vegetables.
Brief description of the drawings
Fig. 1 is the overall structure diagram of controlled atmosphere transportation fresh-retaining case；Wherein：
1 for-case lid 2 is-fruits and vegetables and dry ice placed layer junction with holes for-first half freshness protection package 4 for-casing 3
5 for-lower half dry ice bag sealing 6 be-first half freshness protection package sealing for-lower half dry ice bag 7.
Embodiment
The utility model is described below by specific embodiment.Unless stated otherwise, it is used in the utility model
Technological means is method known in those skilled in the art.In addition, embodiment be interpreted as it is illustrative, it is and unrestricted
The scope of the utility model, spirit and scope of the present utility model are limited only by the claims that follow.For people in the art
For member, on the premise of without departing substantially from the utility model in essence and scope, to the material component and dosage in these embodiments
The various changes of progress or change fall within the scope of protection of the utility model.
Embodiment 1：
A kind of controlled atmosphere transportation fresh-retaining method of cucumber using dry ice, it is characterised in that：By the cucumber after harvesting by whole
It is put into freshness protection package after reason sorting, is fitted into after sealing in bubble chamber, per case 5kg；5g is added in the dry ice placed layer of freshness protection package
Seal after dry ice, transported after rapid sealing bubble chamber；After 24 hours
Embodiment 2：
A kind of grape controlled atmosphere transportation fresh-retaining method using dry ice, it is characterised in that：By the grape after harvesting by arranging
Be put into after sorting in air-adjustable fresh-keeping bag, every bag a string, sealing is put into bubble chamber, is gone here and there per case 6；1g dry ice is put into controlled atmosphere
In the dry ice layer of bag, while 1 bag grape transportation fresh-retaining agent is put into, rapid sealing；Transported after bubble chamber is sealed,
After 24h：
Embodiment 3：
A kind of cherry controlled atmosphere transportation fresh-retaining method using dry ice, it is characterised in that：By the cherry after harvesting by arranging
It is fitted into after sorting in pallet, often 150 grams of disk, is put into air-adjustable fresh-keeping bag, every bag of 6 disks, loads after sealing after being sealed with self-priming film
In bubble chamber；3g dry ice is put into air-adjustable fresh-keeping bag dry ice layer, sealed；Transported after bubble chamber is sealed.Transport
After 24h：
Embodiment 4
Strawberry transports 24 hours fresh-keeping effect contrast tests
Embodiment 5
Leek transports 12 hours fresh-keeping effect contrast tests
Embodiment 6
A kind of air-conditioning fresh-keeping device of the controlled atmosphere transportation fresh-retaining method of fruit and vegetable using dry ice, it is divided into fruits and vegetables placement
Layer and dry ice placed layer, between two layers heat seal connect, be not directly contacted with fruits and vegetables and dry ice；Fruits and vegetables are left on connecting portion and are done
Ice places passage 4（Aperture is unlimited less than 1cm, number）For gas exchanges between two layers.
Fruits and vegetables placed layer described in the utility model includes first half freshness protection package 3, and material is plastics, and the first half is fresh-keeping
Bag sealing 7；Effect is to provide independent controlled atmospheric packing for fruits and vegetables；Described dry ice placed layer material is plastics, including lower half
Dry ice bag sealing 5 and lower half dry ice bag 6, effect are that dry ice is not directly contacted with fruits and vegetables；Dry ice placed layer store and slowly
Dry ice is discharged, caused carbon dioxide is discharged into fruits and vegetables placed layer in freshness protection package, ties up the carbon dioxide content in freshness protection package
Hold the effect in controlled atmosphere concentration, reaching fruit and vegetable air-conditioning preservation in transportation.When in dry ice placed layer dry ice distillation be gas
During body, partial heat is taken away in fruits and vegetables out of freshness protection package, reduces the temperature of fruits and vegetables in transportation, delays fruits and vegetables aging deterioration fast
Degree.
Gas of the dry ice in distillation for certain volume, this gas can make the guarantor of sealing in dry ice placed layer of the present utility model
Gas pressure increases in fresh bag, and then dry ice placed layer is strutted, and volume increases to form airbag structure, this air bag fruits and vegetables layer with
Buffer structure is formed between outer bubble chamber, damping and fixation are played in fruits and vegetables transportation, reduces fruits and vegetables because vibration is produced
Raw mechanical wounding.
Claims (4)
1. the air-conditioning fresh-keeping device of the controlled atmosphere transportation fresh-retaining method of a kind of fruit and vegetable using dry ice, it is characterised in that including bubble
Foam case lid（1）, foam casing（2）, for casing built with air-adjustable fresh-keeping bag, freshness protection package is divided into fruits and vegetables placed layer and dry ice placed layer,
Heat seal is connected between two layers, and fruits and vegetables are left on connecting portion and dry ice places passage（4）For gas exchanges between two layers.
2. the air-conditioning fresh-keeping device of the controlled atmosphere transportation fresh-retaining method of the fruit and vegetable according to claim 1 using dry ice,
It is characterized in that described fruits and vegetables placed layer includes first half freshness protection package（3）And first half freshness protection package sealing（7）；Described is dry
Ice placed layer seals including lower half dry ice bag（5）And lower half dry ice bag（6）, the gentle slow release of dry ice placed layer storage is allowed to dry
Ice.
3. the air-conditioning fresh-keeping device of the controlled atmosphere transportation fresh-retaining method of the fruit and vegetable according to claim 1 using dry ice,
It is characterized in that leaving passage on described fruits and vegetables and dry ice placed layer connecting portion, aperture is unlimited less than 1cm, number.
4. the air-conditioning fresh-keeping device of the controlled atmosphere transportation fresh-retaining method of the fruit and vegetable according to claim 1 using dry ice,
It is characterized in that the material of described freshness protection package is plastics.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720004347.2U CN206821875U (en) | 2017-01-04 | 2017-01-04 | A kind of air-conditioning fresh-keeping device of the controlled atmosphere transportation fresh-retaining method of fruit and vegetable using dry ice |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720004347.2U CN206821875U (en) | 2017-01-04 | 2017-01-04 | A kind of air-conditioning fresh-keeping device of the controlled atmosphere transportation fresh-retaining method of fruit and vegetable using dry ice |
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| Publication Number | Publication Date |
|---|---|
| CN206821875U true CN206821875U (en) | 2018-01-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720004347.2U Expired - Fee Related CN206821875U (en) | 2017-01-04 | 2017-01-04 | A kind of air-conditioning fresh-keeping device of the controlled atmosphere transportation fresh-retaining method of fruit and vegetable using dry ice |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111184060A (en) * | 2019-12-30 | 2020-05-22 | 大有作为(天津)冷链设备有限公司 | Fruit and vegetable fresh-keeping box with electric commercial cold chain |
| CN112674159A (en) * | 2019-10-18 | 2021-04-20 | 海南中商馥香源农产品配送有限公司 | Modified atmosphere preservation technology special for fruits and vegetables |
| CN114701733A (en) * | 2022-03-28 | 2022-07-05 | 天津科技大学 | Antifog antivibration low temperature integrative case of fruit vegetables gas stress storage and transportation |
-
2017
- 2017-01-04 CN CN201720004347.2U patent/CN206821875U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112674159A (en) * | 2019-10-18 | 2021-04-20 | 海南中商馥香源农产品配送有限公司 | Modified atmosphere preservation technology special for fruits and vegetables |
| CN111184060A (en) * | 2019-12-30 | 2020-05-22 | 大有作为(天津)冷链设备有限公司 | Fruit and vegetable fresh-keeping box with electric commercial cold chain |
| CN114701733A (en) * | 2022-03-28 | 2022-07-05 | 天津科技大学 | Antifog antivibration low temperature integrative case of fruit vegetables gas stress storage and transportation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180102 Termination date: 20190104 |