container classification
2021-04-16 Read 1532
1. Ordinary containers

ordinary containers, also known as dry containers, are mainly used to carry general goods, such as cultural goods, daily necessities, medicine, textiles, handicrafts, chemical products, hardware, electronic machinery, instruments and machine parts. This kind of container accounts for 70 ~ 80% of the total number of containers. In addition to frozen goods, live animals and plants, dry containers can be used for goods suitable for container transportation in terms of size and weight.

2. Frozen containers

there are two types of reefer containers: external and internal. The temperature can be adjusted from - 60 ℃ to + 30 ℃. The built-in container can start the refrigerator at will during transportation to keep the container at the specified temperature, while the external container must rely on the refrigerator equipped on the container special vehicle, ship, special yard and station. This kind of box is suitable for transporting butter, chocolate, frozen fish, condensed milk, margarine and other items in summer.

3. Open top container

open top container, It is also called open top container. This kind of container has no top, but has a top made of canvas, plastic cloth or plastic coated cloth supported by folding top beam. It can be used to load and unload goods from the top of the container by crane. The top of open top container can be opened or there is no fixed surface. The top of open top container is covered with waterproof cloth when it is shipped, and its watertight requirement is the same as that of dry container. Suitable for loading glass plate, steel products, machinery and other heavy goods.

4. Frame container

flat rack container has no top and two sides, which is characterized by loading and unloading from the side of the container. It mainly carries overweight goods, and it is also convenient to load livestock, as well as bare goods such as steel, which can be exempted from outer packaging. It can also facilitate the hoisting of large, super wide and super high goods.

5. Livestock containers

pen container this kind of box uses metal mesh on the side, with good ventilation and easy feeding. It is a special container specially made for transporting cattle, horses and other moving objects.

6. Tank container

tank container is also called liquid container. It is a special container for transporting food, medicine, chemicals and other liquid goods. The structure is that a liquid tank is fixed in a metal frame. The international standard tank is a kind of stainless steel pressure vessel which is installed in the fastening outer frame. The tank liner is mostly made of 316 stainless steel. Most tanks are equipped with steam or electric heating device, inert gas protection device, pressure reducing device and other optional equipment for fluid transportation and handling.

7. Platform container

the shape of platform container is similar to that of railway flat car. It is a container with high bearing capacity and no upper structure. It is suitable for over weight and over length cargo, with length over 6 meters, width over 4 meters, height about 4.5 meters and weight up to 40 tons. And the two platform containers can be connected to load 80 metric tons of goods. It's very convenient to use this kind of box to load cars.

8. Ventilated container

the wall of ventilated container is equipped with 4-6 ventilation holes, and the inner wall is coated with plastic layer, which is suitable for loading fresh vegetables, fruits and other goods that are not hot and stuffy.  

9. Insulated container

the insulated container has a heat insulation layer inside the container, and the top of the container has an air inlet and outlet which can adjust the angle. The temperature inside the container can be adjusted by using the external air and wind direction, and it is not affected by the external air temperature for a certain period of time when it is tightly closed. Suitable for shipment of goods sensitive to temperature and humidity.

10. Bulk containers

generally, there are 2-3 small hatches on the top of the bulk container for loading. There is a lifting frame at the bottom, which can be raised to an angle of 40 ° for unloading. This kind of box is suitable for grain, cement and other bulk cargo. If you want to carry out plant quarantine, you can also fumigate in the box.

11. Bulk powder containers

the free flowing bulk material container is basically the same as the bulk container, but the nozzle and straw are used during loading and unloading.

12. Hanging container

the dress change container is suitable for carrying clothing goods. With the development of international trade, the commodity structure is constantly changing, and different types of special or multi-purpose containers will appear in the future.

dry containers commonly used in the world

   1. The external size is 20 ft x 8 ft x 8 ft 6 in, referred to as 20 ft container for short;

2. 40 ft x 8 ft x 8 ft 6 in, referred to as 40 ft container;

3, 40 feet x 8 feet x 9 feet 6 inches, referred to as 40 feet high cabinet (more used in recent years).  

20 foot container: the content volume is 5.94 m x 2.34 m x 2.39 m, the maximum gross weight is 28.25 tons, and the volume is 33 cubic meters

40 foot container: the content volume is 12.06 m x 2.34 m x 2.39 m, the maximum gross weight is 28.8 tons, and the volume is 67 cubic meters;

40 foot high cabinet: the content volume is 12.06 m x 2.34 m x 2.69 M. the maximum gross weight is 30.2 tons and the volume is 76 cubic meters;

45 foot high cabinet: content volume: 13.5 m x 2.34 m x 2.71 m, maximum gross weight of 27.7 T, volume: 85 m3;

20 foot open top cabinet: 5.89 m x 2.32 m x 2.31 m in content, 20 tons in gross weight and 31.5 m3 in volume;

40 foot open top cabinet: content volume is 12.01m x 2.33m x 2.15m, gross weight of distribution is 30.4t, volume is 65m3;

20 foot flat bottom container: Volume 5.85 m x 2.23 m x 2.15 m, gross weight 23 T, Volume 28 m3;

40 foot flat bottom container: Volume 12.05m x 2.12M x 1.96m, gross weight 36 tons, Volume 50 cubic meters.