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Cold storage of agricultural products

  • Release date: August 28, 2018

    Popularity: 1393

  • contact number: thirteen billion three hundred and seventeen million three hundred and twenty-six thousand nine hundred and sixty-six
  • Introduction:
    Advantages of agricultural products cold storage: is the scientific use of cooling facilities to create appropriate humidity and low
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    Cold storage of agricultural products The advantages of

    Cold storage of agricultural products: it is a warehouse that scientifically uses cooling facilities to create suitable humidity and low temperature conditions, that is, agricultural products Cold storage  

    The warehouse used for processing and fresh-keeping of agricultural products can avoid the influence of natural climate, extend the storage period of agricultural products, and regulate the market supply in four seasons.

     Design storage temperature of agricultural products cold storage

    Inside picture of cold storage of agricultural products

    Design storage temperature of agricultural products cold storage

    The design temperature of agricultural products cold storage should be designed according to the storage conditions. The most suitable temperature for preservation of more agricultural products is about 0 ℃.

    Generally, the minimum temperature for fresh-keeping of fruits and vegetables is – 2 ℃, which belongs to high-temperature cold storage; while the fresh-keeping temperature of aquatic products and meat products is below – 18 ℃, it is a low-temperature cold storage.

    According to the actual preservation conditions, the temperature of the cold storage for agricultural products should be between - 1 ℃ and 1 ℃.

    For example, the suitable temperature for winter jujube and garlic moss is – 2 ℃ ~ 0 ℃; for peach, it is 0 ℃ ~ 4 ℃;

    Chestnut - 1 ℃~ 0.5 ℃;

    5 ℃ - 1. 5 ℃;

    Plums - 4 ℃ - 0 ℃;

    Celery - 0.6 ℃ - 0 ℃;

    Strawberry 0 ℃ - 1 ℃;

    Watermelon 4 ℃ - 6 ℃;

    Banana was about 13 ℃;

    Citrus 3 ℃ - 6 ℃;

    The temperature of carrot and cauliflower was about 0 ℃;

    Grain and rice are 0 ℃~ 10 ℃.

    Storage temperature of fruits in cold storage of agricultural products

     Storage temperature of fruits in cold storage of agricultural products

    Name of fruit Storage temperature relative humidity Storage time
    Grape -1~3℃ 85%~90% 30 to 120 days
    watermelon 2~4℃ 75%~85% 14 to 21 days
    a mandarin orange 0~1.2℃ 85%-90% 50 to 70 days
    peach -0.5~1℃ 85%~90% 14 to 28 days
    Apple -1~1℃ 85%~90% 60 to 210 days
    Pear 0.5~1.5℃ 85%~90% 30 to 180 days
    grapefruit 10℃ 85%~90% 30 to 45 days

    Storage temperature of vegetables in cold storage of agricultural products

     Storage temperature of vegetables in cold storage of agricultural products

    Vegetable name Storage temperature relative humidity Storage time
    Cabbage 0~1℃ 85%~95% 30-90 days
    Celery -0.6~0℃ 90%~95% 60-120 days
    cucumber 2~7℃ 75%~85% 10-14 days
    Dried garlic 0~1℃ 75%~80% 180-240 days
    Leek 0℃ 85%~95% 30-90 days
    Lettuce 0~1℃ 85%~95% 30-60 days
    Lentils 1~7.5℃ 85%~90% 8-10 days
    Carrot 0~1℃ 80%~95% 60 to 150 days
    Corn -0.5~1.5℃ 80%~85% 7-28 days
    onion +1.5℃ 80% About 90 days
    Green pea 0℃ 80%~90% 7-21 days
    potato 3~6℃ 85%~90% About 180 days
    Pumpkin 0~3℃ 80%~85% 60-90 days
    Yam 8~10℃ 75%~85% 60-120 days
    Tomato (red) 7~10℃ 90%~95% 30-50 days
    Tomato (green) 10~12℃ 80%~85% 45-60 days
    eggplant 9~11℃ 90%~95% About 30 days
    Taro 8~15℃ 85%~90% About 180 days
    sweet potato 10~14℃ 80%~95% 180-240 days
    Fresh mushrooms 1~4℃ 80%~90% 7-14 days
    Chinese chestnut -2~-1℃ 95% 240-360 days
    Zizania latifolia 0~2℃ 95%~98% 60-150 days

    Design of cold storage for agricultural products

    When it is necessary for fruit growers to build cold storage in the producing areas of agricultural products, it is necessary to use a single small size of 10-20 tons Cold storage construction Is the most appropriate.

    Single small cold storage has small capacity, convenient in and out of storage, and it is also very controlled and managed. The storage capacity of a single variety can be achieved. It is not easy to waste space, reduce temperature quickly, stabilize temperature, save energy and have high degree of automation.

    Cost of cold storage of agricultural products

    The investment in building a cold storage for agricultural products is relatively small. As long as the telephone cost is about 20000-40000 yuan (excluding the civil construction part of the warehouse), a small cold storage can be built. If the variety can also build a number of small-scale cold storage of agricultural products together to form a small cold storage group, fresh storage of more products and varieties.

    According to the different preservation temperature, a single agricultural product cold storage can be controlled arbitrarily and separately. The flexibility, operability, automation degree, energy saving effect and economic effect of a single agricultural product cold storage are better than those of medium and large cold storage. The total investment of small-scale cold storage group is similar to that of large and medium-sized cold storage of the same scale.