阅读说明：本技术 一种蔬菜长期运输保鲜方法 (Long-term transportation fresh-keeping method for vegetables ) 是由 刘志伟 何丽丽 李明 于 2020-12-30 设计创作，主要内容包括：本发明提出了一种蔬菜运输保鲜方法,方法步骤如下：(1)将生产完成的干燥蔬菜进行杀菌消毒；(2)杀菌消毒后的蔬菜放入保鲜袋中进行包装；(3)完成保鲜袋包装后放入保鲜箱中,保鲜箱主要有保温箱体、蓄冷排、信息系统及充冷管路系统部分组成;(4)包装完成的蔬菜保鲜箱装车发送运输本发明有益效果：通过特制保鲜箱,使得保鲜箱内部与风冷设备之间形成一个密闭的风冷循环系统,保证保鲜袋内部的蔬菜处于低新陈代谢状态,以减少蔬菜品质下降和腐烂损失,大大提高了对外出口的经济效益。蓄冷式保温集装箱冷藏性能良好,具有较好的物流保鲜效果,在保障蔬菜品质、降低冷链物流能花和成本,在物流过程中,采用蓄岭式保温集装箱与泡沫箱包装(或泡沫箱+冰)相结合的方式保障蔬菜品质和新鲜度。(The invention provides a vegetable transportation and preservation method, which comprises the following steps: (1) sterilizing the produced dried vegetables; (2) putting the sterilized vegetables into a fresh-keeping bag for packaging; (3) the packed vegetable fresh-keeping box is put into a fresh-keeping box which mainly comprises a heat preservation box body, a cold accumulation exhaust pipe, an information system and a cold filling pipeline system, and (4) the packed vegetable fresh-keeping box is loaded, sent and transported, and the invention has the beneficial effects that: by specially manufacturing the fresh-keeping box, a closed air-cooling circulation system is formed between the interior of the fresh-keeping box and the air-cooling equipment, so that the vegetables in the fresh-keeping bag are in a low-metabolism state, the quality reduction and the decay loss of the vegetables are reduced, and the economic benefit of the external outlet is greatly improved. The cold storage type heat preservation container has good refrigeration performance and good logistics preservation effect, can guarantee the quality and freshness of vegetables and reduce the cost of cold chain logistics energy, and adopts the mode of combining the storage ridge type heat preservation container with a foam box package (or a foam box and ice) in the logistics process.)

1. A vegetable transportation and preservation method is characterized by comprising the following steps: (1) sterilizing and disinfecting the produced dried vegetables; (2) putting the sterilized vegetables into a freshness protection package for packaging; the fresh-keeping bag is packaged and then placed in a fresh-keeping box, and the fresh-keeping box mainly comprises a heat preservation box body, a cold accumulation exhaust system, an information system and a cold filling pipeline system, and (4) the packaged vegetable fresh-keeping box is loaded and transported.

2. The method for transporting and preserving vegetables as claimed in claim 1, wherein the cold accumulation row contains a phase change cold accumulation material.

3. The method of claim 1, wherein the fresh-keeping box has an outer dimension of 13.21m × 2.51m × 3.150m and an inner dimension of 11.59m × 2.65m × 2.69 m.

4. The vegetable transportation preservation method according to claim 1, wherein in the step (1), the vegetables are sterilized by ultraviolet light.

5. The vegetable transportation preservation method according to claim 1, wherein in the step (2), the preservation bag is a specially customized preservation bag, the preservation bag is provided with air-permeable micropores, and a drying and filtering layer is arranged between the air-permeable micropores and the interior of the preservation bag.

6. The vegetable transportation and fresh-keeping method according to claim 1, wherein the cold filling pipeline system in the step (3) comprises an air cooling circulation inlet and an air cooling circulation outlet, and both are provided with a drying and filtering layer, and the fresh-keeping box is communicated with the outside through the air cooling circulation inlet and the air cooling circulation outlet.

7. The vegetable transportation preservation method according to claim 1, wherein temperature recorders are installed at the front and rear parts of the thermal container, vegetables are loaded in the cold storage type thermal container, and the vegetables are divided into a foam box group, a foam box + ice group, and a basket group of 15 kg/basket, each group of 25 boxes/basket.

8. The vegetable transportation and preservation method as claimed in claim 7, wherein the foam box treatment group comprises a step of bundling the precooled vegetables into bundles, a step of placing the bundled vegetables into a foam box, a step of covering the bundle, and a step of sealing the foam box by plastic adhesive tape and a step of ice treatment group, wherein the bundled vegetables are placed into the foam box, 4 ice bottles of 600 and 800g are added simultaneously, and the covered bundle is sealed by the plastic adhesive tape.

9. A vegetable transportation fresh-keeping method as claimed in claim 8, wherein the length x width x height of the foam box is 0.45m x 0.36m x 0.29 m.

10. The vegetable transportation and preservation method according to claim 8, wherein the basketing assembly is to bundle the pre-cooled vegetables, put the bundled vegetables in a plastic basket, and cover the plastic basket; the length x width x height of the plastic basket is 0.5 x 0.35 x 0.36 m.

Technical Field

The invention relates to the technical field of preservation, in particular to a long-term transportation preservation method for vegetables.

Background

With the improvement of living standard of people and the rise of fresh electronic commerce, the cold-chain logistics industry in China develops rapidly. Transportation equipment such as refrigerated containers, refrigerated trucks and the like are main tools for long-distance cold chain transportation of fresh agricultural products. The equipment runs by means of vehicle-mounted power supply equipment, the technology is mature, but the oil consumption is high, and the phenomenon of chain breakage is easy to occur. Under the background, the application of the phase change cold storage technology is brought forward, and the technology group for regulating and controlling the environmental temperature by utilizing sensible heat and latent heat in the physical state change of the phase change medium stored at high density or reaction heat in chemical reaction is used as a cold storage mode with high efficiency and low cost. At present, the research on cold storage type heat preservation containers is relatively less, and no mature commercial product exists.

Disclosure of Invention

Based on the technical problems in the background art, the invention provides a vegetable transportation and preservation method, which comprises the following steps:

(1) sterilizing the produced dried vegetables;

(2) putting the sterilized vegetables into a fresh-keeping bag for packaging;

(3) after the packaging of the freshness protection package is finished, putting the freshness protection package into a freshness protection package which mainly comprises a heat preservation box body, a cold accumulation exhaust, an information system and a cold filling pipeline system;

(4) and (5) loading the packaged vegetable fresh-keeping box into a truck for transportation. Further, the cold accumulation bar contains a phase change cold accumulation material.

Furthermore, the external dimension of the fresh-keeping box is 13.21m multiplied by 2.51m multiplied by 3.150m, and the internal dimension is 11.59m multiplied by 2.65m multiplied by 2.69 m; further, in the step (1), vegetables are used for ultraviolet sterilization and disinfection.

Further, the freshness protection package in the step (2) is a specially customized freshness protection package, the freshness protection package is provided with air-permeable micropores, and a drying filter layer is arranged between the air-permeable micropores and the inside of the freshness protection package.

Further, the cold filling pipeline system in the step (3) comprises an air cooling circulation inlet and an air cooling circulation outlet, and is provided with a drying and filtering layer, and the fresh-keeping box is communicated with the outside through the air cooling circulation inlet and the air cooling circulation outlet.

Further, when the ambient temperature is lower than 6 ℃, the air-cooling circulation inlet of the preservation box is communicated with the external atmospheric environment; when the ambient temperature is higher than 6 ℃, the air cooling device is connected.

Furthermore, the front and the rear parts of the heat insulation box are respectively provided with a temperature recorder, vegetables are loaded in the cold storage type heat insulation container, and the vegetables are divided into a foam box group, a foam box + ice group and a basket group, wherein each box/basket is 15kg, and each group comprises 25 boxes/baskets.

And further, the foam box treatment group comprises bundling the precooled vegetables according to each bundle, then placing the bundled vegetables into a foam box, covering the bundled vegetables, and sealing the foam box with plastic adhesive tapes, and the ice treatment group comprises bundling the precooled vegetables according to each bundle, then placing the bundled vegetables into the foam box, simultaneously adding 4 ice bottles of 600 and 800g, covering the ice bottles, and sealing the ice bottles with plastic adhesive tapes.

Further, the length × width × height of the foam box is 0.45 × 0.36 × 0.29 m.

Furthermore, the basket assembly is to bundle the precooled vegetables according to each bundle, then put the vegetables in a plastic basket and cover the vegetables.

Further, the length × width × height of the plastic basket is 0.5 × 0.35 × o.36m.

The invention has the beneficial effects that: by specially manufacturing the fresh-keeping box, a closed air-cooling circulation system is formed between the interior of the fresh-keeping box and the air-cooling equipment, so that the vegetables in the fresh-keeping bag are in a low-metabolism state, the quality reduction and the decay loss of the vegetables are reduced, and the economic benefit of the external outlet is greatly improved. The cold storage type heat preservation container has good refrigeration performance, has a good logistics preservation effect, plays a positive role in guaranteeing vegetable quality, reducing cold chain logistics energy consumption and cost and improving economic benefits, and guarantees vegetable quality and freshness by combining the cold storage type heat preservation container with a foam box package (or a foam box and ice) in the logistics process.

Detailed Description

Based on the technical problems in the background art, the invention provides a vegetable transportation and preservation method, which comprises the following steps: (1) sterilizing and disinfecting the produced dried vegetables; (2) putting the sterilized vegetables into a freshness protection package for packaging; the fresh-keeping bag is packaged and then placed in a fresh-keeping box, and the fresh-keeping box mainly comprises a heat preservation box body, a cold accumulation exhaust system, an information system and a cold filling pipeline system, and (4) the packaged vegetable fresh-keeping box is loaded and transported. The cold accumulation bar contains phase change cold accumulation material. The external dimension of the fresh-keeping box is 13.21m multiplied by 2.51m multiplied by 3.150m, and the internal dimension is 11.59m multiplied by 2.65m multiplied by 2.69 m; and (2) performing ultraviolet sterilization and disinfection on the vegetables in the step (1). And (3) in the step (2), the freshness protection package is specially customized, the freshness protection package is provided with air-permeable micropores, and a drying filter layer is arranged between the air-permeable micropores and the inside of the freshness protection package. And (4) the cold filling pipeline system in the step (3) comprises an air cooling circulation inlet and an air cooling circulation outlet, and is provided with a drying and filtering layer, and the fresh-keeping box is communicated with the outside through the air cooling circulation inlet and the air cooling circulation outlet. When the environmental temperature is lower than 6 ℃, the air-cooling circulation inlet of the preservation box is communicated with the external atmospheric environment; when the ambient temperature is higher than 6 ℃, the air cooling device is connected. The front and rear parts of the heat preservation box are respectively provided with a temperature recorder, vegetables are loaded in the cold storage type heat preservation container, and the vegetables are divided into a foam box group, a foam box + ice group and a basket group, wherein each box/basket is 15kg, and each group comprises 25 boxes/baskets. And further, the foam box treatment group comprises bundling the precooled vegetables according to each bundle, then placing the bundled vegetables into a foam box, covering the bundled vegetables, and sealing the foam box with plastic adhesive tapes, and the ice treatment group comprises bundling the precooled vegetables according to each bundle, then placing the bundled vegetables into the foam box, simultaneously adding 4 ice bottles of 600 and 800g, covering the ice bottles, and sealing the ice bottles with plastic adhesive tapes. The foam box has a length x width x height of 0.45 x 0.36 x 0.29 m. Furthermore, the basket assembly is to bundle the precooled vegetables according to each bundle, then put the vegetables in a plastic basket and cover the vegetables. The length, width and height of the plastic basket are 0.5m, 0.35m and O.36m. The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.