CN210503944U

CN210503944U - Vegetable fresh-keeping device

Info

Publication number: CN210503944U
Application number: CN201921224232.XU
Authority: CN
Inventors: 何伟东
Original assignee: Chengdu Zizhiyuan Green Energy Technology Co Ltd
Current assignee: Chengdu Zizhiyuan Green Energy Technology Co Ltd
Priority date: 2019-07-31
Filing date: 2019-07-31
Publication date: 2020-05-12
Anticipated expiration: 2029-07-31

Abstract

The utility model discloses a vegetables device that keeps fresh relates to the fresh-keeping technical field of vegetables and fruits, has the effect of protection vegetables article looks. The utility model discloses a vegetables device that keeps fresh, including airtight container for store vegetables, be provided with the air inlet that can close and the gas outlet that can close on the airtight container, still include hydrogen-rich water vapor generation device and inert gas aerating device, hydrogen-rich water vapor generation device's air inlet with inert gas aerating device's gas outlet cup joints, hydrogen-rich water vapor generation device's gas outlet with can close the air inlet can dismantle and cup joint. Before inflation, the closed container can be directly filled with mixed gas consisting of hydrogen-rich water vapor and inert gas, the air inlet and the air outlet are closed after aerobic air is removed, or vacuumizing is carried out first, and then the closed container is filled with the mixed gas, so that the moisture and the oxygen of the vegetables are kept, the possibility that the vegetables are extruded and damaged when vacuumizing is adopted for preservation is avoided, and the vegetable phase is protected.

Description

Vegetable fresh-keeping device

Technical Field

The utility model relates to a vegetables and fruits technical field that keeps fresh especially relates to a vegetables device that keeps fresh.

Background

As the level of consumer demand increases, vegetable freshness becomes one of the major concerns. The technical problem to be solved in the field is how to keep the vegetables fresh to the maximum extent and keep the moisture absorption and simultaneously prevent the vegetables from being oxidized and guarantee the product phase by adopting a low-cost and high-efficiency mode in the process of transportation or short-term storage.

The technology for vegetable preservation in the prior art mainly comprises the following steps: vacuumizing, filling protective gas, refrigerating and the like. Vacuumizing: although the vegetables can be guaranteed not to be oxidized and have certain freshness, after being transported or stored for a certain time, the vegetables are easy to deform and damage due to extrusion for a certain time in a vacuum environment, the vacuum environment is lack of moisture, the vegetables are shriveled and shriveled due to the loss of the moisture, the appearance of the vegetables is influenced, and the quality of the vegetables is reduced; filling protective gas: inert gases such as nitrogen and argon are filled, and the technology can cause the vegetable to shrink due to lack of water to a certain extent, so that the appearance and the quality of the vegetable are influenced; and (3) refrigerating: although can guarantee to a certain extent that vegetables are fresh-keeping, vegetables lose water slowly, but because of cold-stored fresh-keeping generally be walk-in or cold-stored refrigerator-freezer, the transportation of huge not being convenient for to humidity is too big in the box of fresh-keeping case, and vegetables take place to milden and rot easily, influence the quality of vegetables.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a vegetable preservation device for protecting vegetable appearance is provided.

The utility model provides a technical scheme that its technical problem adopted is:

vegetables fresh-keeping device, including airtight container, airtight container is provided with the air inlet that can close and the gas outlet that can close, still includes hydrogen-rich water vapor generation device and inert gas aerating device, hydrogen-rich water vapor generation device's air inlet with inert gas aerating device's gas outlet cup joints, hydrogen-rich water vapor generation device's gas outlet with the air inlet can be dismantled and cup joint.

Further: the air inlet is provided with an air inlet valve, and the air outlet is provided with an air outlet valve.

Further: the hydrogen-rich water vapor generation device comprises a water boiling tank, wherein a tank body air inlet and a tank body air outlet are formed in the water boiling tank, a heating device is further arranged on the water boiling tank, an inert gas inflation device is a gas cylinder filled with nitrogen or argon, the gas cylinder air outlet is sleeved with the tank body air inlet, and the tank body air outlet is sleeved with the air inlet.

Further: the closed container is a freshness protection package, the air inlet is an air valve arranged at one end of the freshness protection package, the air outlet is an opening at the other end of the freshness protection package, and the air-filling device further comprises an air-filling gun matched with the air valve.

The utility model has the advantages that:

the utility model discloses in, the inert gas that has certain pressure passes through hydrogen-rich water vapor generator, forms the mist of inert gas and hydrogen-rich water vapor after mixing, fills in the airtight container who stores vegetables. On one hand, the filling of the inert gas eliminates oxygen-containing air in the container, thereby inhibiting the respiration of vegetables and reducing the aerobic respiration consumption of the vegetables; on the other hand, the hydrogen-rich water is heated, so that the hydrogen-rich water vapor enters the vegetables along with the inert gas, the vegetables are moisturized and kept fresh, the vegetables are prevented from being withered and shriveled due to water loss, the appearance of the vegetables is not affected, oxygen is not contained in the hydrogen-rich water, the respiration of the vegetables is inhibited, the aerobic respiration consumption of the vegetables is reduced, and the vegetable phase is protected.

Drawings

FIG. 1 is a schematic view of the aeration of a vegetable preservation apparatus;

FIG. 2 is a schematic view of a closed container with valves at the gas inlet and the gas outlet;

fig. 3 is a schematic structural view of a vegetable fresh-keeping device.

The reference numerals are respectively indicated as 1-closed container, 2-air inlet, 3-air outlet, 4-hydrogen-rich water vapor generating device, 5-inert gas aerating device, 6-air inlet valve, 7-air outlet valve, 8-water boiling tank, 9-tank air inlet, 10-tank air outlet, 11-heating device and 12-aerating air gun.

Detailed Description

The present invention will be further explained with reference to the drawings and examples.

As shown in fig. 1, the vegetable fresh-keeping device comprises a closed container 1, wherein the closed container 1 is provided with a closable air inlet 2 and a closable air outlet 3, and further comprises a hydrogen-rich water vapor generating device 4 for generating hydrogen-rich water vapor, and further comprises an inert gas inflating device 5 for introducing inert gas with certain pressure into the hydrogen-rich water vapor generating device 4, the air inlet of the hydrogen-rich water vapor generating device 4 is sleeved with the air outlet of the inert gas inflating device 5, and the air outlet of the hydrogen-rich water vapor generating device 4 is detachably sleeved with the air inlet 2. When vegetables are packaged and stored, the vegetables are placed into a closed container 1, the vegetable placing opening is sealed, an air inlet 2 and an air outlet 3 are in a full open state, during inflation, an inert gas inflation device 5 is opened, inert gas with certain pressure passes through a hydrogen-rich water vapor generation device 4 and is mixed to form mixed gas of hydrogen-rich water vapor and the inert gas, the mixed gas with certain pressure is inflated into the closed container 1 through the air inlet 2 sleeved with the closed container 1 through the hydrogen-rich water vapor generation device 4, the internal pressure of the closed container 1 is increased, the internal gas is ejected out from the air outlet 3 and takes oxygen-containing air inside away, when the inside is filled with the mixed gas consisting of the hydrogen-rich water vapor and the inert gas, the air inlet 2 and the air outlet 3 are closed, the inert gas inflation device 5 is closed, inflation is stopped, the closed container 1 is detached from a connector sleeved with the hydrogen-rich water vapor generation device 4, and finishing the vegetable packaging. Also there is another kind to aerify the step, after airtight container 1 was put into to vegetables, sealed vegetables put into the mouth, closed air inlet 2 opens gas outlet 3 cup joints earlier with the vacuum machine in gas outlet 3 opens the vacuum machine, to airtight container 1 evacuation, has taken out the vacuum back, closes gas outlet 3 follows the vacuum machine airtight container 1's socket is demolishd, will gas inlet 2 cup joint in hydrogen-rich water vapor generation device 4's gas outlet opens gas inlet 2 inflates the airtight container 1 of having taken out the vacuum, is full of the mixed gas of hydrogen-rich water vapor and inert gas constitution after, closes gas inlet 2, closes inert gas aerating device 5, stops to inflate, tears closed container 1 down from the kneck that cup joints with hydrogen-rich water vapor generation device 4, accomplishes the vegetables packing. The two inflation steps can finish the manufacture of a vegetable storage and transportation package filled with mixed gas of hydrogen-rich water vapor and inert gas, and the second step is added with a vacuumizing step, so that oxygen-containing air in the closed container 1 is exhausted more thoroughly. The vegetable storage and transportation package does not contain oxygen, so that the respiration of vegetables is inhibited, the hydrogen-rich water is used for preserving moisture and freshness of the vegetables, the vegetables are prevented from being shriveled and shriveled due to water loss to influence the appearance of the vegetables, the flexible container can be expanded due to the filling of the inert gas, the vegetables are prevented from being extruded and damaged in a vacuum state to be rotten, and the appearance of the vegetables is protected.

The sealed container 1 may be a gas-impermeable storage container such as a gas-impermeable storage box or a gas-impermeable storage tank, or may be a flexible packaging bag such as a gas-impermeable flexible plastic packaging bag.

As shown in fig. 2, the air inlet 2 and the air outlet 3 may be hard connecting pipe orifices having air opening and closing functions, for example, the air inlet 2 is provided with an air inlet valve 6, the air outlet 3 is provided with an air outlet valve 7, and the air opening and closing functions of the air inlet 2 and the air outlet 3 are realized by opening and closing the valves. The air inlet 2 and the air outlet 3 can also be flexible hose mouths which can be directly bound and sealed by ropes, or plastic hose mouths which have thermoplastic sealing performance and can be thermally sealed, and the like.

The hydrogen-rich water vapor generation device 4 can be a closed vapor generator which is made of materials which do not chemically react with hydrogen-rich water and is provided with a gas inlet and a gas outlet, and can be a simplified closed water boiling container with the gas inlet and the gas outlet. The inert gas charging device 5 can be a gas cylinder, a gas storage bag with an opening, a gas pump with the functions of gas extraction and charging, and the like.

In another embodiment of the vegetable fresh-keeping device, as shown in fig. 3, the hydrogen-rich water vapor generating device 4 comprises a boiling tank 8 filled with a certain amount of hydrogen-rich water, the water boiling tank 8 is provided with a tank body air inlet 9 and a tank body air outlet 10, the tank body air inlet 9 and the tank body air outlet 10 are arranged above the liquid level of the hydrogen-rich water to ensure that only inert gas and water vapor are introduced and water is not introduced, the water boiling tank 8 is also provided with a heating device 11, used for heating the hydrogen-rich water in the water boiling tank 8, the heating device 11 can be a heating device of electric heating, fuel combustion heating or other heat exchange modes, etc., the inert gas charging device 5 is a gas cylinder filled with nitrogen or argon, the gas outlet of the gas cylinder is sleeved with the gas inlet 9 of the tank body, and the gas outlet 10 of the tank body is sleeved with the gas inlet 2 and is used for filling mixed gas of hydrogen-rich water vapor and inert gas into the closed container 1. After putting into airtight container 1 with vegetables, the opening of vegetables is put into to sealed vegetables, before aerifing, confirms earlier air inlet 2 and gas outlet 3 are in the open mode, open heating device 11, and the hydrogen-rich water in the heating water jar 8 is until the steam, and the reentrant inert gas forms behind the mist in the water jar 8, through with jar body gas outlet 10 cup joints air inlet 2 fills in airtight container 1, makes airtight container 1 air pressure increase, and the mist passes through gas outlet 3 blowout, gets rid of wherein oxygen-containing air after, is full of the mist of hydrogen-rich water vapor and inert gas in airtight container 1, closes air inlet 2 and gas outlet 3 at last and accomplishes the packing of vegetables. Before the air inflation, the closed container 1 can be vacuumized and re-inflated according to the steps, so that the original aerobic air in the closed container 1 is exhausted more thoroughly, and the vegetable fresh-keeping effect is better.

As shown in figure 3, for making the vegetables packing simpler and more convenient, reduce the packing cost, airtight container 1 is the freshness protection package, air inlet 2 is the setting and is in the inflating valve of freshness protection package one end, the inflating valve is the same with tire inflation inflating valve function, can be in to the freshness protection package inflation through the inflating valve, and the inflating valve can self-sealing, prevents that gas from leaking. The air outlet 3 is an opening at the other end of the freshness protection package, and further comprises an air inflation gun 12 matched with the air valve. During vegetable packaging, will follow vegetables earlier the freshness protection package is put into to the opening, and it is right to the freshness protection package evacuation with vacuum heat sealing machine the opening seals, then will aerify air gun 12 the air inlet with jar body gas outlet 10 cup joints through the hose, aerifys air gun 12's muzzle and connects the inflating valve fills hydrogen-rich water vapor and inert gas's mist into to the freshness protection package, then will aerify air gun 12 and pull out, inflating valve self-sealing, a inclosed vegetable packaging accomplishes.

Claims

1. Vegetables fresh-keeping device, including airtight container (1), its characterized in that: airtight container (1) is provided with air inlet (2) that can close and gas outlet (3) that can close, still includes hydrogen-rich water vapor generation device (4) and inert gas aerating device (5), the air inlet of hydrogen-rich water vapor generation device (4) with the gas outlet of inert gas aerating device (5) cup joints, the gas outlet of hydrogen-rich water vapor generation device (4) with gas inlet (2) can be dismantled and cup joint.

2. The vegetable freshness retaining device according to claim 1, wherein: the air inlet (2) is provided with an air inlet valve (6), and the air outlet (3) is provided with an air outlet valve (7).

3. A vegetable freshness retaining device according to claim 1 or 2, wherein: hydrogen-rich water vapor generation device (4) is including burning water pitcher (8), it is provided with jar body air inlet (9) and jar body gas outlet (10) to burn on water pitcher (8), it still is provided with heating device (11) to burn on water pitcher (8), inert gas aerating device (5) are the gas cylinder that is filled with nitrogen gas or argon gas, the gas cylinder gas outlet with jar body air inlet (9) cup joint, jar body gas outlet (10) with air inlet (2) cup joint.

4. A vegetable freshness retaining device according to claim 3, wherein: the sealed container (1) is a freshness protection package, the air inlet (2) is arranged at an air valve at one end of the freshness protection package, the air outlet (3) is an opening at the other end of the freshness protection package, and the sealed container further comprises an air inflation gun (12) matched with the air valve.