823results about "Packaging fruits/vegetables" patented technology

A container includes a container body of a corrugated paper material. The container body defines a tray and a clamshell lid hinged to the tray for movement between a closed position wherein the clamshell lid and tray enclose an interior space of the container body and an open position wherein the clamshell lid is clear of a top opening of the tray for access to the interior space. The tray includes a bottom panel defining a bottom window opening. The clamshell lid includes a top panel defining a top window opening. The top window opening and the bottom window opening are separated from one another by corrugated paper material of the container body. In the closed position, the top window opening is opposite from the bottom window opening. A transparent film is connected to the container body, covering over at least one of the window openings.

The invention provides an efficient cleaning, root-removing, yellow-leaf-removing and accurate weighing and packaging machine for leaf vegetables. The efficient cleaning, root-removing, yellow-leaf-removing and accurate weighing and packaging machine comprises a root-removing and yellow-leaf-removing module, a leaf vegetable cleaning module, a leaf vegetable weighing module and a leaf vegetable packaging module. The root and yellow leaf removing module fixes leafy vegetables through a gripper and is matched with a cutter to remove roots and yellow leaves, and a motor drives a conveyor belt to convey; the cleaning module flushes leafy vegetables through a water spraying pipe, and a motor drives a conveyor belt to convey; the weighing module is metered by a gravity sensor, and leaf vegetables are transferred by a cylinder push plate after reaching the standard; and the packaging module is used for bundling through a packaging hook, clamping through a ribbon twisting device and cutting excess materials through a ribbon cutter. The full-process automatic processing of the leaf vegetables is realized, the problems of low manual efficiency and tedious equipment connection in the prior art are solved, and the large-scale production requirements of the leaf vegetables are met.

The invention relates to the technical field of fruit and vegetable production equipment, and discloses a full-automatic fruit and vegetable food processing and packaging assembly line which comprises a bubble cleaning pool. The first mechanical arm is arranged on the front side of the bubble cleaning pool, a mechanical claw is installed at the output end of the first mechanical arm, and the fruits and vegetables stored in the frame shape are put into the bubble cleaning pool through the mechanical claw; the first elevator is arranged on one side of the bubble cleaning pool, and the input end of the first elevator is located in the bubble cleaning pool. According to the full-automatic fruit and vegetable food processing and packaging assembly line, automation and intellectualization of the fruit and vegetable food processing and packaging assembly line are achieved through innovative design, the efficiency of the links such as cleaning, selecting and packaging is greatly improved, and the production efficiency is improved. According to the method, quality fluctuation and resource waste caused by manual operation are reduced, the food quality stability and safety are ensured, meanwhile, the labor cost is remarkably reduced, and the market competitiveness and sustainable development capacity of enterprises are enhanced.

The invention provides a tropical fruit preservative film which is of a double-layer structure, the outer layer is a moisture-resistant antibacterial layer, and the inner layer is a water-absorbing antifogging antibacterial layer; and the water-absorbing anti-fog antibacterial layer also comprises a pH sensitive microcapsule. The outer layer is prepared from polyhydroxyalkanoate, a humidity sensitive type block copolymer and CuO / SiO2 antibacterial nano-enzyme; and the water-absorbing anti-fog antibacterial layer comprises polyhydroxyalkanoate, a humidity-sensitive block copolymer, hygroscopic zeolite, thymol, gallic acid and a pH-sensitive microcapsule. The preservative film has a certain hydrophobic effect, the humidity of a packaging microenvironment can be adjusted, breeding of putrefying bacteria can be inhibited, meanwhile, thymol and gallic acid form a slow-release antibacterial system, and tropical fruits keep good quality in the storage and transportation links through cooperation of all the components; besides, the pH sensitive microcapsules can respond to acidic substances generated by corruption in real time, help merchants to quickly sort deteriorated fruits, and provide a visual judgment basis for consumers at the same time.

The invention relates to the technical field of fresh-keeping packaging of brasenia schreberi tender shoots, in particular to a fresh-keeping packaging method and system for brasenia schreberi tender shoots. The method comprises the following steps: pretreating brasenia schreberi tender shoots to induce pore closing of the brasenia schreberi tender shoots; performing glue protection treatment to form a composite glue protection film on the surfaces of the tender shoots; loading the treated brasenia schreberi tender shoots into a tender shoot packaging box integrated with a controlled atmosphere microcapsule release unit, and sealing, so as to realize shape integrity preservation of the brasenia schreberi tender shoots; sequentially carrying out water bath and ultrahigh pressure sterilization on the sealed tender shoot packaging box; and finally, refrigerating to realize fresh-keeping packaging of the brasenia schreberi tender shoots. On the basis of a box body structure of a multi-layer composite structure, in cooperation with an inner wall anti-sticking design and a built-in controlled atmosphere microcapsule release unit system, morphological integrity preservation of brasenia schreberi tender shoots is achieved, non-acidification and chemical preservative-free high-quality preservation can be achieved in combination with glue protection treatment and gradient physical sterilization of the brasenia schreberi tender shoots, and the preservation effect of the brasenia schreberi tender shoots is improved. And the colloid retention rate is greater than 95%.

A circular flow conveying line for fruit tray sorting comprises a feeding conveying belt, the feeding conveying belt is sequentially connected with a weighing conveying belt, a sorting and shifting conveying belt, a first lifting conveying belt, a backflow conveying belt and a second lifting conveying belt in the conveying direction, and the output end of the second lifting conveying belt is connected with the input end of the feeding conveying belt; a plurality of sets of first roller conveying lines are connected to one side of the sorting and shifting conveying belt in the length direction at intervals, each set of first roller conveying lines is connected with one set of box conveying belts, and the output ends of the multiple sets of box conveying belts are in transition connection with one side of the segmented backflow conveying belt. A second roller conveying line is arranged on one side of the segmented backflow conveying belt and adjacent to each set of box conveying belt, and the other end of the second roller conveying line inclines downwards and is in transition connection with one side of the backflow conveying belt. According to the circular flow conveying line for fruit support sorting, circular conveying of fruit supports in the weighing, sorting and boxing processes can be achieved.

The invention relates to a fruit and vegetable packaging box and a fruit and vegetable packaging method.The fruit and vegetable packaging box comprises a heat preservation box body, a heating part and a water absorption part, the heat preservation box body comprises a box body and a cover body, a containing cavity with an opening in one side is formed in the box body, and the cover body detachably covers the opening of the box body to seal the containing cavity; the bottom of the box body is provided with an air hole penetrating to the bottom of the containing cavity, and the heating piece and the water absorption piece are arranged at the bottom of the containing cavity. According to the fruit and vegetable packaging box and the fruit and vegetable packaging method, through the combined packaging mode that the heating piece, the water absorption piece and the air holes in the bottom of the containing cavity of the box body are arranged in the packaging box body, the temperature and humidity of fruit and vegetable products are guaranteed when the fruit and vegetable products are conveyed to a high-temperature area with the large temperature difference in a low-temperature area, and the freezing damage rate of the fruit and vegetable products is remarkably reduced.

The invention relates to the technical field of vegetable cleaning and packaging, and discloses a leafy vegetable cleaning and packaging machine which comprises a machine body, and a root removing system, a yellow leaf removing system, a cleaning system, a water removing system and a packaging system which are sequentially mounted on the machine body from front to back. Root removing, yellow leaf removing, cleaning, water removing and packaging are integrated, full-process automatic operation is achieved, efficiency is greatly improved, manual intervention is reduced, precise operation is ensured, time cost is remarkably saved, processing work is efficient and smooth, the leaf vegetable processing device can adapt to most types of leaf vegetables, and the limiting baffle, the v-shaped groove and the like can be adjusted according to the types and the sizes of the leaf vegetables.

The utility model provides a durian packaging structure which is used for the technical field of logistics transportation packaging, and particularly relates to a durian packaging structure which comprises absorbent paper wrapping and covering the periphery of fresh durian; the packaging bag can be used for packaging the fresh durians wrapped with the absorbent paper; and the packaging bag filled with the fresh durian is fixed in the outer box. According to the durian packaging structure, through the whole packaging scheme of the absorbent paper, the breathable packaging bag capable of retaining the smell to a certain degree and the shockproof outer box, the durian after-ripening time can be effectively prolonged, the durian smell is prevented from being emitted in the transportation process of the objects to be transported, and the delivery time efficiency is prolonged by 24-48 h.

The invention relates to the technical field of food processing automation, and discloses a vegetable production and packaging system which comprises a machine body, and a cleaning module, a draining module, a cutting module, a vegetable packaging module, a nominal weight pasting module, a material bag packaging and weighing module and a total packaging module are sequentially arranged in the machine body. The draining module further comprises a draining plate, a winding plate, a fixing plate, an outer rod and an inner rod, draining holes are formed in the surface of the draining plate, a second spring is arranged in the inner rod, the two ends of the second spring are connected with the inner rod and the outer rod respectively, a fluctuating seat is fixedly mounted on the bottom surface of the fixing plate, and a wavy notch is formed in the surface of the fluctuating seat. The whole production line adopts full-automatic design, manual intervention is reduced to the maximum extent from cutting, conveying to weighing and packaging, the production efficiency is greatly improved, the labor cost is reduced, man-machine isolation is achieved, secondary pollution in the production process is effectively avoided, the product quality is stable, and the sanitation level is high.

The invention discloses a Shanghai green and clean vegetable packaging all-in-one machine which comprises a cleaning unit, an aligning unit, a root cutting and yellow leaf removing unit and a packaging unit which are connected in sequence, and the root cutting and yellow leaf removing unit at least comprises a fixing mechanism, a first motor used for driving the fixing mechanism, a root cutting mechanism and a yellow leaf removing mechanism; wherein the fixing mechanism is vertically arranged, the top and the bottom of the fixing mechanism are open, after the aligning unit places the roots of target brassica chinensis into the fixing mechanism downwards, the leaf parts and the roots of the target brassica chinensis are exposed out of the upper end and the lower end of the fixing mechanism respectively, and a first motor drives the fixing mechanism to enter the working ranges of the root cutting mechanism and the yellow leaf removing mechanism at the same time; the root cutting mechanism cuts off the root of the target brassica chinensis, the yellow leaf removing mechanism positions and cuts off the yellow leaves of the target brassica chinensis through machine vision, and then the target brassica chinensis is conveyed to the packaging unit. The root cutting and yellow leaf removing device has the beneficial effects that the root cutting mechanism and the yellow leaf removing mechanism cooperate for treatment, the processing period is greatly shortened, and the labor cost and the secondary pollution risk are reduced.

The invention discloses an all-in-one machine for cleaning and packaging green Chinese onions. The all-in-one machine comprises a feeding mechanism, a cleaning box body and a horizontal packaging mechanism which are arranged above a chassis; a conveying mechanism is arranged in the purification box body, and a root cutting mechanism, a leaf cutting mechanism, a peeling mechanism, a cleaning mechanism and a drying mechanism are sequentially arranged in the purification box body in the material flow direction; an output port of the drying mechanism is in butt joint with the horizontal packaging mechanism. The six working procedures of feeding, root cutting, leaf cutting, peeling, cleaning, drying and packaging are integrated on a single chassis, a continuous automatic processing production line is constructed, and a traditional discrete operation mode is changed fundamentally. On-line sensing of diameter changes of green Chinese onions and dynamic matching of clamping force are achieved through self-adaptive swinging of the wobble wheel assembly, the device can be steplessly adapted to different specification ranges of green Chinese onions by combining with precise adjustment of the height of micron-sized leaf cutting driven by a lead screw motor, and the economical efficiency and the market coverage of the device are greatly improved.

A tray for holding at least one food product, the tray having a plurality of panels extending at least partially around an interior of the tray and including a bottom panel, a front panel foldably connected to the bottom panel, a back panel foldably connected to the bottom panel, and a top panel foldably connected to one of the front panel and the back panel. The tray further includes a plurality of end flaps foldably connected to a respective panel of the plurality of panels, the plurality of end flaps at least partially overlapped to form at least one closed end of the tray, and a flange comprising the top panel, the flange extending outwardly from the front panel, the back panel, and the at least one closed end of the tray.

A tray for holding at least one food product includes a plurality of panels extending at least partially around an interior of the tray, the plurality of panels including a bottom panel, a front panel, a back panel, at least one end panel, a plurality of end flaps foldably connected to a respective panel of the plurality of panels and cooperating to form a rim extending outwardly from the plurality of panels, and denesting features comprising at least one denesting tab extending from one of the front panel and the back panel and away from the at least one end panel.

The invention provides a regulation and control method for prolonging the refreshing time of prunes, which comprises the following steps: disinfecting a phase-temperature fresh-keeping storehouse for 24 hours by using absolute ethyl alcohol, and ventilating for 8-10 hours to ensure a sterile environment. During harvesting, prunes which are free of plant diseases and insect pests, free of mechanical damage, complete in fruit cream and larger than or equal to 20% in sugar content are selected, and the temperature of the prunes is rapidly reduced to 2-2.2 DEG C within 10 h through portable differential pressure precooling equipment. After precooling, a methyl jasmonate aqueous solution is adopted for electrostatic atomization spraying, and 1-methylcyclopropene is used for airtight fumigation for 18-20 h to inhibit ethylene generation and respiration. And then, storing in a phase temperature warehouse at the temperature of-1.5 to-1.2 DEG C, controlling the relative humidity to be 85-87%, and carrying out intermittent nano atomization sterilization by using a hydrogen peroxide aqueous solution once every 15-18 days. According to the method, the fresh-keeping effect of the prunes is comprehensively improved, the safety and the quality of the fruits are ensured, and the fresh-keeping period is remarkably prolonged.

The invention discloses a cold chain fresh-keeping box temperature supervision system and method, and relates to the technical field of cold chain supervision, the system comprises a data acquisition module, a data processing module, a supervision analysis module and a response supervision module, and the supervision analysis module comprises a temperature change influence unit, a damage risk unit and a fresh-keeping box regulation decision unit. The dynamic temperature change index is output through the temperature change influence unit, the problem of cold chain temperature shock damage is solved in combination with the real-time temperature, the species sensitivity coefficient, the respiration rate and the box leakage coefficient, fresh-keeping box type selection and maintenance are supported, the damage risk index is output through the damage risk unit, the temperature change index, the ethylene increment and the vibration damage coefficient are integrated, and fresh-keeping box type selection and maintenance are achieved. The method comprises the following steps: tracking a continuous effect, decomposing factor contributions, supporting responsibility division and process optimization, outputting a regulation and control decision index through a fresh-keeping box regulation and control decision unit, associating box body performance with operation interference factors, and directly mapping regulation and control actions, thereby reducing manual dependence and realizing monitoring, evaluation, regulation and control closed-loop management.

The invention relates to the technical field of cold-chain transportation, and discloses a fruit and vegetable cold-chain logistics transportation box which comprises a plurality of self-adaptive transportation boxes arranged in a stacked mode, the self-adaptive transportation boxes serve as storage devices of fruits and vegetables, and left-right symmetrical closed storage cavities capable of being opened and closed are formed in the self-adaptive transportation boxes; the central circulation channel vertically penetrates through the center of the self-adaptive transportation box and serves as an external cold air circulation channel, and a gas flow guide part is arranged in the central circulation channel; according to the device, the dual-mode intelligent switching arrangement is adopted, an external cold source (such as cold air of a refrigerator car) is preferentially utilized, the cold air is efficiently distributed through the central circulation channel and the flow guide system, and the energy consumption of an internal refrigerator is reduced; the internal circulation mode is automatically switched only when external cold air is insufficient, energy waste is remarkably reduced, the brushless direct-current flow guide fan is dynamically started and stopped according to temperature data, the problem of high power consumption caused by continuous operation is avoided, and the energy-saving air conditioner has the advantages of being high in practicability and saving energy.

The utility model relates to the technical field of cartons, and discloses a moisture-proof carton for fruit transportation, which comprises a carton body, the top of the carton body is fixedly connected with a carton cover, the four corners of the bottom of the carton body are fixedly connected with angle beads, and the four corners of the outer side above the carton body are fixedly connected with reinforcers. Two first supports are arranged on the right side of the outer side of the carton body, two second supports are arranged on the left side of the outer side of the carton body, mounting grooves are formed in the two ends of the two first supports, limiting assemblies are arranged at the tops of the front ends and the rear ends of the two first supports, and connecting strips are fixedly connected to the two ends of the two second supports. According to the waterproof carton, the inner lining plate, the second guide grooves, the water absorption layer and the guide strips work in a matched mode, the water absorption layer filled with the drying agent and the inner lining plate coated with the waterproof coating can achieve the effect of enhancing the waterproof performance and the damp-proof performance of the interior of the carton, and the inner lining plate and the water absorption layer can be conveniently detached and replaced.

The invention discloses a fruit and vegetable fresh-keeping box suitable for common cold mixed loading of a common truck and a control method, and relates to a refrigeration and gas component adjusting technology. The bottom of the box body is provided with a strip-shaped slot for insertion of fork teeth of a forklift, and an equipment bin and a fruit and vegetable fresh-keeping bin are arranged in the box body; the equipment bin can be powered from a common truck or independently powered, and is integrated with reverse Carnot cycle, ethylene removal, sterilization and an intelligent control system, so that the temperature and atmosphere of the fruit and vegetable fresh-keeping bin are cooperatively regulated and controlled; the fruit and vegetable fresh-keeping bin is of a six-face heat preservation structure and is provided with a container inlet and outlet door, an airflow guide plate, an anti-toppling framework and an air supply / return plenum chamber. The intelligent control system comprises an edge computing unit and a 4G / 5G module, and can communicate with the cloud cold chain scheduling platform to realize multi-box cooperation. The truck does not need to be transformed, common cold mixed loading can be achieved, fresh keeping of fruits and vegetables is guaranteed, common goods are prevented from being damaged, the fruit and vegetable corrosion damage rate and logistics cost are reduced, and the truck is suitable for multi-scene transportation.

The invention discloses a transport device for plum processing, and belongs to the technical field of fruit processing. A conveying device for plum processing comprises a device body, the upper end of the device body is connected with a first conveying belt, the upper side surface of one end of the first conveying belt is connected with a plurality of guide channels, and a circular cavity is formed through cooperation of a storage groove and a circular groove, so that independent fixation of single plums is achieved; friction and collision caused by jolting during transportation are avoided, so that the breakage rate during long-distance transportation is reduced, the requirement of subsequent processing on fruit integrity is effectively guaranteed, fruit percolate can be quickly guided out through the leakage holes of the storage cavity, juice is directionally guided into the collection cavity through the inclined flowing grooves, and the situation that the juice is retained to breed molds is avoided; meanwhile, an air convection channel is formed by penetrating through the ventilation cavity of the storage frame body, and is matched with an interlayer gap during stacking, so that the internal humidity of the cavity is remarkably reduced, heat accumulation generated by fruit respiration is inhibited, and the mildew rate of plums is further reduced.

The invention relates to a fruit and vegetable fresh-keeping storage box and a fresh-keeping method, and belongs to the field of fruit and vegetable fresh keeping. The fruit and vegetable fresh-keeping storage box comprises a box body, two box bodies and a first elastic piece. The box body is provided with a bottom plate used for bearing fruits and vegetables, a flow channel is arranged in the bottom plate, one side of the box body in the first direction is partially sunken to form a first groove and a second groove, the first groove is located above the second groove, and the flow channel is provided with a first end located in the first groove and a second end located in the second groove. The first direction is perpendicular to the gravity direction; the box bodies are respectively clamped in the first groove and the second groove and are respectively communicated with the first end and the second end; the first elastic piece is arranged in the first groove and used for providing elastic force for the box body located in the first groove so as to overcome friction force and clamping force between the box body and the first groove when the cooling liquid in the box body is lower than a first threshold value, and therefore the box body can be driven to be separated from the first groove.

The present invention relates to a device for packaging cherries and other fruit, comprising a calibration element that feeds a first conveyor belt (2), this first conveyor belt conveying the fruit to a packaging station where it is introduced into sheet containers (7), after which the fruit-filled containers are introduced individually into boxes (12). The packaging station comprises a weighing device (3), a packaging module (6), a third conveyor belt (11) and an area for placing lids (14) to close the boxes (12). With this arrangement the empty boxes (12) are conveyed a first distance by the third conveyor belt (11) until they reach a first intersection area (15) where the fruit-filled containers (7) are introduced into the boxes (12) in a synchronised manner as the boxes are being conveyed by the third conveyor belt (11).

This utility model relates to the field of blister packaging technology, and discloses a blister packaging box structure, including a tray with a lid on one side of its top. The lid and tray are integrated. It also includes a ventilation component. Ventilation holes are provided on both sides of the tray and lid. The ventilation component is disposed inside the tray, allowing for internal ventilation and heat dissipation of items placed inside. The advantages of this utility model compared to existing technologies are: it provides a blister packaging box structure that allows for direct internal heat dissipation and ventilation, combined with external ventilation holes, resulting in excellent ventilation and solving the problem of easy spoilage of fruit located inside, thus extending its shelf life.

The fruit and vegetable fresh-keeping storehouse comprises a frame used for storing fruit and vegetable containing baskets and an automatic carrying mechanism used for carrying the fruit and vegetable containing baskets, a plurality of containing positions are formed in the frame through supporting strips arranged in a layered mode, and the supporting strips arranged on each layer are oppositely installed on the inner wall of the frame; the automatic carrying mechanism moves along a gap between the adjacent frames or a channel on the outer side of the frame, and when the automatic carrying mechanism moves along the gap between the adjacent frames, the automatic carrying mechanism can be inserted into the lower part of the placing position so as to pick and place the fruit and vegetable placing basket; the automatic carrying mechanism is further provided with a protection mechanism for preventing the automatic carrying mechanism from toppling over or preventing the fruit and vegetable placing basket from falling off when the automatic carrying mechanism advances or takes and places the fruits and vegetables. According to the fruit and vegetable fresh-keeping storehouse, the fruit and vegetable containing baskets containing fruits and vegetables can be automatically carried to the frame or taken out, a series of problems caused by manual carrying are avoided, and meanwhile the stability of the automatic carrying mechanism and the stability of the fruit and vegetable containing baskets in the advancing process can be guaranteed through the protection mechanism.

The application of a PVDC / gallium nitride composite material is characterized by being used in food preservation packaging, medical instrument packaging or fruit and vegetable modified atmosphere preservation film, and having the functions of visible light catalytic sterilization and ethylene degradation. The application belongs to the field of polymer composite materials and photocatalysis technology, and particularly relates to a PVDC composite material carrying gallium nitride and having the function of photocatalytic sterilization, and a preparation method and application thereof.

The utility model discloses a fruit and vegetable cold chain material transport case, relates to the technical field of cold chain transportation, and aims to solve the technical problems that the storage capacity of a current single transport case structure is low, the consumption of cold and fresh ice bags is increased, and the operating cost is increased, the fruit and vegetable cold chain material transport case comprises a fixing mechanism and three case bodies, the box bodies are connected through the connecting mechanisms, the two fixing mechanisms are located on the outer sides of the box bodies at the two ends respectively, base plates are fixed to the upper ends and the lower ends of the interiors of the box bodies, activated carbon bags are embedded in the base plates, and storage boxes are slidably installed at openings in the front ends of the box bodies; the connecting mechanism is composed of a reinforcing frame rib and a sealing gasket, the fixing mechanism is composed of an end pipe and an end plate, a circulation box is arranged on the inner side of the end plate, and exhaust ports are formed in the inner side of the circulation box in an array mode. The split type refrigerator has the advantages that the split type refrigerator body structure adopts integrated cold air supply, the storage capacity is improved, and meanwhile the cold fresh cost is reduced.

The utility model relates to the technical field of vegetable packaging, in particular to a preservative film winding device for carrot packaging, and solves the problems that in the prior art, when carrots are packaged with preservative films, manual winding packaging is generally adopted, time and labor are wasted, and the packaging efficiency is high. And meanwhile, the compaction degree of the carrots wound with the preservative film can be greatly reduced. A preservative film winding device for carrot packaging comprises a frame body, one side of the outer portion of the frame body is fixedly connected with a driving motor through bolts, one side of the inner side of the frame body is rotationally connected with a rotating rod, one end of the rotating rod is fixedly connected with a bearing disc, and the other end of the rotating rod penetrates through the side wall of the frame body and is in transmission connection with an output shaft of the driving motor. According to the plastic wrap winding device, high-efficiency winding of plastic wrap is achieved, manpower and time cost are greatly saved, and the problem that time and labor are wasted in a traditional mode is solved.

The invention discloses a fresh-keeping method and a fresh-keeping device for a refrigeration shelf after picking of blueberries, belongs to the technical field of postharvest treatment of fruits and vegetables, takes natural metabolism regulation and control and cell stable quality regulation as core innovation points, breaks through the limitation that traditional controlled atmosphere fresh-keeping needs to depend on external energy and single nutrient enrichment, and improves the fresh-keeping effect of the blueberries. And organic unification of environmental control and physiological regulation is realized. The method is simple and convenient to operate, remarkable in effect, low in cost and high in safety, is not only suitable for preservation of picked blueberries, but also can be popularized to storage and transportation links of other perishable berries such as strawberries, blackberries and raspberries, provides an efficient, green and sustainable technical path for preservation of picked fruits and vegetables, and has important industrial popularization value and social application significance.