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As the weather becomes hotter, both cold drinks and the transport of fresh fruits and vegetables are inseparable from the cold chain logistics. People are increasingly concerned about the construction of cold chain logistics facilities. Recently, many new cold chain regulations have been issued in China, either to speed up the improvement of cold chain logistics facilities or to propose future plans for cold chain construction.
Qingdao: Accelerating the Construction of Cold Chain Logistics to Ensure Food Safety
The Qingdao Municipal Government Office recently issued the "Qingdao City to Accelerate the Development of Cold Chain Logistics to Ensure Food Safety and Promote Consumption Upgrade Implementation Plan." The "Program" pointed out that the cold chain circulation rate of major frozen and frozen foods such as fruits and vegetables, meat and aquatic products should be increased by more than 30% respectively.
We know that for the cold chain of food, it is not only equipment such as refrigerators and refrigerated trucks, but also equipment for processing foodstuffs. To this end, the "Program" also specifically pointed out that it is necessary to strengthen the promotion and application of high-performance cooling and freezing equipment, automatic sorting, cleaning and processing of packaging equipment and other cold chain logistics equipment. With regard to high-performance cooling and refrigeration equipment, liquid nitrogen quick-freezing equipment is currently the fastest quick-freezing equipment, but the raw material “liquid nitrogen” is expensive and difficult to obtain. Other quick-freezing equipment such as spiral freezer and tunnel type quick-freezing equipment can freeze foods in about half an hour. It is an ideal large-food quick-freezing equipment.
New regulations for cold chain around the country are in full swing
Guangxi: Planning for the Future Cold Chain Railway to Help Distribute Local Fruits and Vegetables
Guangxi has recently issued and implemented the “Guangxi Zhuang Autonomous Region Cold Chain Logistics Industry Development Plan (2018-2020)” and plans to use the high-speed rail network with refrigerated containers to achieve the export of local fresh fruits and vegetables.
In the construction of refrigerated containers, the most important thing is the cooling effect of refrigeration equipment. We know that Guangxi is dominated by the cultivation of fruits and vegetables such as bananas, mandarin oranges, and vegetables, and it is the fruit and vegetable source in many regions in China. These kinds of fruits and vegetables have different requirements for storage temperature. To achieve good storage effects, it is necessary to establish different temperature zones. At present, most of refrigerated containers are provided with a built-in type freezing device in the front section of the box, and the cold air circulation is performed through the gap between the ribs on the box wall and the ventilation rail on the bottom of the box. In general, the temperature of the refrigerator can be automatically adjusted between -30°C and 30°C depending on the needs of the species.
Beijing, Tianjin, Hebei: Collaboratively released eight cold chain standards from the details of the regulation of food cold chain transport
Since Beijing, Tianjin, and Hebei built a one-hour round of circulation of agricultural products in the capital, the circulation of relevant agricultural products has gradually been put on the agenda. Earlier, there was a document entitled “Implementation Opinions on Enhancing the Cooperation in Quality and Development of Jing-Jin-Ji Region,” and other documents on the field of cold-chain logistics. A certain standard. Recently released the "Technical Specifications for Cold-chain Logistics Cold Storage," "Cold-chain Logistics Transport Equipment Requirements," "Cold-chain Logistics Temperature and Humidity Requirements and Measurement Methods," "Procedures for Meat and Poultry Meat Cold-chain Logistics," and "Fruit and Vegetable Cold-chain Logistics Operational regulations, Operational Regulations for Cold-water Products of Aquatic Products, Technical Requirements for Temperature Control of Storage and Transportation of Low-temperature Foods, and Rules for Traceability Management of Cold-Food Cold-Logistics Logistics, which set out the details, regulate the circulation of agricultural products.
Among these eight standards, the "temperature and humidity requirements and measurement methods for cold chain logistics" and the "temperature storage and temperature control technical requirements for cold foods" have all expressed great concern for the temperature detection of foods in the logistics process. We know that in the process of cold chain transportation, once the cold chain is broken, it will cause a sharp decline in the storage environment of agricultural products, resulting in corruption and other phenomena. According to the "Cold-Humidity Requirements for Temperature and Humidity Requirements and Measurement Methods," temperature sensors are required to measure various temperatures such as surface, interior, cabin temperature, doorside cargo, and discharge temperature. It is reported that some people try to carry temperature sensors on food packaging to detect and upload food temperature in real time. The promotion of such packaging in the future will help the real-time monitoring of food temperature during cold chain logistics.
From the data, the storage capacity of cold chain logistics in China grew by nearly 14% last year, and the number of refrigerated trucks increased by more than 16%. Even so, China's cold chain logistics is still far behind the developed countries. Therefore, in the next few years, China will continue to promote the construction of cold chain logistics facilities and equipment.
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