CN210382454U

CN210382454U - Moisture-keeping air-conditioning facility for fruit and vegetable storage

Info

Publication number: CN210382454U
Application number: CN201921222181.7U
Authority: CN
Inventors: 周炼; 王日葵; 孙玉清
Original assignee: CITRUS RESEARCH INSTITUTE OF CHINESE ACADEMY OF AGRICULTURAL SCIENCES
Current assignee: CITRUS RESEARCH INSTITUTE OF CHINESE ACADEMY OF AGRICULTURAL SCIENCES
Priority date: 2019-07-31
Filing date: 2019-07-31
Publication date: 2020-04-24
Anticipated expiration: 2029-07-31

Abstract

The utility model discloses a fruit and vegetable storage moisture-keeping air-conditioning facility, which comprises a plastic tent, a bracket for supporting the plastic tent and a water containing groove, wherein water is contained in the water containing groove, the plastic tent is erected in the water containing groove, the bottom edge of the plastic tent is turned over and is immersed in the water containing groove, and the plastic tent is pressed by a plurality of pressing blocks and cannot float; the plastic large net is provided with at least one air hole, and the air hole is connected with an air duct. The air conditioning device is arranged in the cold storage, so that not only can an artificial air conditioning environment similar to the air conditioning storage be created, but also a certain humidity can be kept, and most fresh fruits and vegetables are suitable for being stored under high humidity; the manufacturing cost is low, the method is feasible, the nitrogen with low cost can be utilized, the method can be adapted to local conditions, and a cold storage is not required to be built; the water seal skillfully solves the air tightness problem of the inflatable tent and further provides the humidity required by fruits and vegetables.

Description

Moisture-keeping air-conditioning facility for fruit and vegetable storage

Technical Field

The utility model relates to an agricultural product storage equipment technical field, concretely relates to fruit vegetables are preserved with facility of adjusting atmosphere of moisturizing.

Background

The best storage environment for keeping fruits and vegetables fresh is a modified atmosphere refrigeration house. Fresh agricultural products such as fruits and vegetables are still breathed after being picked, particularly, how to maintain the after-ripening process of the fruits in the breathing jump type reduces the breathing action and sells the fruits in a quality and quantity (preservation) preserving way as far as possible, and a production place or turnover storage and transportation needs to build two simple air-conditioned storehouses, and air-conditioned facilities at a certain temperature are needed.

The existing air-conditioned cold store room is generally formed by combining refrigeration equipment and a series of devices for air compression, filtration and the like in a linkage manner, the automatic operation cost is high, and once a problem occurs in one link, the whole air-conditioned cold store room cannot normally operate; the key point is that the cost is high, the investment is large, and the fruit grower can not bear the fruit. Due to the cost problem, many fruit growers want to store fruits and vegetables by using simple plastic tents. The plastic tent structure generally comprises a tent bottom, a bracket for supporting the tent and the plastic tent, wherein the plastic tent is pressed by a plastic film.

The general plastic tent mostly has the problems of poor air tightness and the like, the fruits and vegetables stored in the plastic tent change the internal gas content, but mostly depend on the self respiration and spontaneous adjustment of the fruits and vegetables, the low-oxygen high-carbon-dioxide gas environment is often formed, the artificial control is difficult, and the damage or poisoning of the carbon dioxide of the fruits and vegetables in the storage is easily caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a feasible, low in cost fruit vegetables are preserved with gas and are transferred facility of moisturizing to above-mentioned problem.

The technical scheme of the utility model as follows:

a kind of fruit and vegetable storage uses the atmosphere facility of keeping moisture, including the plastic large net, support the plastic large net, also include the water containing trough, hold water in the said water containing trough, the said plastic large net stands in the water containing trough, the bottom edge of the plastic large net is turned over and rolled over and submerged in water in the water containing trough, and is pressed by multiple briquetting and can't float; the plastic large net is provided with at least one air hole, and the air hole is connected with an air duct.

In the above technical scheme, still include nitrogen cylinder and aspiration pump, nitrogen cylinder and aspiration pump all are connected with air duct detachably. Can be fed to the plastic through a nitrogen cylinderThe big net is filled with nitrogen to adjust O in the net₂And CO₂A ratio; the gas in the tent is periodically detected, and is pumped out by an air pump and then is regulated by introducing a certain amount of fresh air and nitrogen in a nitrogen bottle.

In the technical scheme, the nitrogen cylinder is provided with the barometer, so that the gas pressure when the plastic tent is input can be conveniently checked, and the inflating and exhausting amount can be determined according to the gas content and the pressure in the tent by matching with a handheld oxygen meter and the like.

Preferably, the number of the air holes is two, after the fruits and vegetables are stored for a period of time, the air in the tent needs to be detected and adjusted, one air hole is connected with an air pump or a nitrogen cylinder, and the other air hole is connected with an oxygen measuring instrument, so that the air is filled and pumped while the content of the air in the tent is detected, and the air filling and pumping amount is judged.

In the technical scheme, a water-proof cushion frame for placing the fruit and vegetable box is arranged in the plastic tent, and the fruit and vegetable box is placed on the water-proof cushion frame to prevent the fruit and vegetable box from being wetted by water.

In the technical scheme, the carbon dioxide adsorption bed further comprises a carbon dioxide adsorbent arranged in the plastic tent, so that carbon dioxide accumulated in the tent due to fruit respiration can be adsorbed, the concentration of carbon dioxide in the tent is reduced, and carbon dioxide poisoning of fruits and vegetables is prevented.

In the technical scheme, the support comprises a plurality of long pipes, the whole large net can be supported by directly utilizing waste water pipes (with certain strength) or purchasing steel pipes to be fixed at four corners of the plastic large net, and the material is easy to obtain and install.

Preferably, the air duct is a hose, and the hose can be sealed by clamping the hose with a clamp when a nitrogen bottle or an air pump or an oxygen meter is not connected.

The utility model has the advantages that: 1) the air conditioning device is arranged in the cold storage, not only can an artificial air conditioning environment similar to the air conditioning storage be created, but also a certain saturated humidity can be maintained through water sealing, and most fresh fruits and vegetables are suitable for being stored under high humidity. 2) The cost is low, and the method is practical, and on one hand, cheap nitrogen can be used; on the other hand, the treatment can be done according to local conditions without the need ofThe construction of a cold storage is not required, because some fruits and vegetables cannot tolerate low temperature, and some fruits and vegetables can also have cold damage (for example, the storage temperature of bananas is not lower than 13 ℃). 3) The air tightness problem of the inflatable tent is solved skillfully by the water seal mode, and the humidity required by fruits and vegetables is provided. 4) The carbon dioxide adsorbent is arranged to solve the problem of CO in the common fruit and vegetable modified atmosphere storage₂Injury or poisoning.

Drawings

Fig. 1 is a schematic perspective view of the structure of the present invention.

Detailed Description

The invention will be further explained with reference to the following figures and examples:

example 1

As shown in figure 1, the fruit and vegetable storage moisture-keeping and air-conditioning facility mainly comprises a plastic tent 1, a bracket 2 for supporting the plastic tent 1 and a water containing tank 3. The plastic net 1 is a rectangular parallelepiped with a long side being high in this embodiment. The support 2 can be in various forms as long as it can support the whole plastic net 1. In this embodiment, the support 2 is preferably four long steel pipes, each steel pipe is fixed at four corners of the plastic net 1, and the plastic net 1 is sleeved with the steel pipe. The water containing groove 3 is filled with water, the plastic tent 1 is erected in the water containing groove 3, the bottom edge of the plastic tent 1 is rolled and is immersed in the water containing groove 3, the bottom edge of the plastic tent 1 is pressed by the pressing blocks 4, so that the plastic tent cannot float, and the air tightness in the tent is guaranteed. The plastic tent 1 is provided with at least one air hole 1a, and the air hole 1a is connected with an air duct 5.

The air duct 5 can be connected with a nitrogen cylinder and an air pump which are both detachably connected with the air duct 5. The nitrogen cylinder is provided with a barometer, the air duct 5 is preferably a hose, and when the nitrogen cylinder or the air pump is not connected, the tail part of the air duct 5 is clamped by a clamp, so that the air tightness can be ensured. When the account needs to be filled with nitrogen, the air guide tube 5 is connected with the nitrogen cylinder and filled with nitrogen, the nitrogen can be indicated to be filled according to a barometer connected with the nitrogen cylinder, a proper amount of air is filled by using an air pump to adjust the content of the gas needed in the account, finally, the connection between the air guide tube 5 and the nitrogen cylinder is disconnected, and the air guide tube 5 is clamped and sealed to form a plastic tentAnd (4) a material tent 1. When the fruits and vegetables are stored for a period of time, the carbon dioxide concentration in the tent is high, the air guide pipe 5 is connected with an air pump, the air in the tent is pumped out, then the nitrogen is filled in a nitrogen bottle, and the air is filled in the air pump. When fruits and vegetables are just put into the plastic net 1, nitrogen is filled to adjust O in the net₂And CO₂The proportion reaches the concentration required by fruits and vegetables.

In this embodiment, the number of the air holes 1a is two, after the fruits and vegetables are stored for a period of time, the air in the tent needs to be adjusted, one of the air holes 1a is connected with an air pump or a nitrogen gas bottle, and the other air hole 1a is connected with an oxygen measuring instrument, so that the proportion of oxygen in the gas in the tent is detected while the gas is filled or pumped, and the air filling and pumping amount is judged. A water-proof cushion frame 6 for placing the fruit and vegetable box is also arranged in the plastic tent 1 to prevent the fruit and vegetable box from being wetted by water in the water containing groove 3. The carbon dioxide adsorbent 7 is placed in the plastic tent 1, so that carbon dioxide accumulated in the tent due to fruit respiration can be adsorbed, the concentration of carbon dioxide in the tent is reduced, and carbon dioxide poisoning of fruits and vegetables is prevented. The carbon dioxide adsorbent 7 may be fixed on the water-proof mat frame 6 or elsewhere, and is preferably placed in the bottommost fruit and vegetable box.

In order to reduce the cost, the plastic tent can be manufactured by self, the size of the plastic tent can be designed according to different requirements, the plastic tent is manufactured by adopting a plastic film, and the joint of the plastic film can be sealed by adopting a thermal sealing machine. The design and manufacture of the air holes can adopt the prior art on the market, for example, the design of the air valves on the bicycle tires is adopted, and screws, gaskets and the like are used, so that the air tightness can be ensured, and the follow-up operation is facilitated.

The air conditioning facility of the utility model can be directly arranged in the refrigeration house, and can also be directly used as a transfer storage house of fruits and vegetables in a lower temperature environment according to local conditions. Can place 3 ~ 5 in 10 ~ 20 flat storehouses the utility model discloses an air-conditioning device, half volume after the plastics net is aerifyd can hold length and width height 63 x 40 x 22(cm), about 3 ~ 5 layers (more than two rows at least 6) of plastic box of taking up 25kg fruit vegetables. The utility model discloses a modified atmosphere facility has realized storing the environment under manual intervention's the gas regulation, and the running cost is fairly low, the gas tightness is good, adjust account interior oxygen and carbon dioxide concentration relatively easily, and can satisfy the requirement of fruit vegetables to humidity.

Claims

1. The utility model provides a fruit vegetables are stored with atmosphere facility of moisturizing, includes plastics tent (1), support (2) of support plastics tent (1), its characterized in that: the plastic tent is characterized by further comprising a water containing groove (3), water is contained in the water containing groove (3), the plastic tent (1) is erected in the water containing groove (3), the bottom edge of the plastic tent (1) is rolled and submerged in the water containing groove (3), and the plastic tent is pressed by a plurality of pressing blocks (4) and cannot float; the plastic tent (1) is provided with at least one air hole (1a), and the air hole (1a) is connected with an air duct (5).

2. The moisture-preserving controlled atmosphere facility for fruit and vegetable storage of claim 1, wherein: still include nitrogen cylinder and aspiration pump, nitrogen cylinder and aspiration pump all are connected with air duct (5) detachably.

3. The moisture-preserving controlled atmosphere facility for fruit and vegetable storage of claim 2, wherein: and a barometer is arranged on the nitrogen cylinder.

4. The moisture-preserving controlled atmosphere facility for fruit and vegetable storage of claim 1, wherein: the number of the air holes (1a) is two.

5. The moisture-preserving controlled atmosphere facility for fruit and vegetable storage of claim 1, wherein: and a water-proof cushion frame (6) for placing the fruit and vegetable box is arranged in the plastic tent (1).

6. The moisture-preserving controlled atmosphere facility for fruit and vegetable storage of claim 1, wherein: also comprises a carbon dioxide adsorbent (7) arranged in the plastic tent (1).

7. The moisture-preserving controlled atmosphere facility for fruit and vegetable storage of claim 1, wherein: the support (2) comprises a plurality of long tubes.

8. The moisture-preserving controlled atmosphere facility for fruit and vegetable storage of claim 1, wherein: the air duct (5) is a hose.