The Study On Food's Quality And Energy Analysis During Refrigerated Transportation In Cold Chain

With the improvement of living standards, the requirement to the quality of food is becoming more and higher. At the same time, the quantity of refrigerated food transportation increases greatly. Accordingly, the transport energy issues are increasingly drawing people's attention as well. How to protect food quality with lowing transport energy consumption has become a focus of domestic and foreign research in the field. The text points at the strategy of land refrigerated transport energy and evaluation of energy consumption issues, through combining research with testing, simulation and other methods. Main tasks as follows:According to the market situation in refrigerating transportation and land transport equipment (highway, railway) transportation characteristics and energy consumption situation, make comprehensive investigation and analysis. The research shows that China is in the period of rapid development of refrigerated transportation, the annual transport capacity reaches to 80 million tons or more, while the refrigerated transported rate is still less than 30%, the rot of food was heavy. Refrigerated transport equipment in China, although the technology developed rapidly, it failed to meet the demand of market. The shortage of transportation management and technical measures made energy consumption higher and urgent to improve. Therefore, it is the key work to master the balance between the quality of food and energy saving and analyzed the influence on transported energy consumption.Take perishable food for example, an experiment is being tried to compare common and refrigerated transportation, and analysis the quality of its transportation changing situation. According to the differences of different categories, make an experiment analysis respectively to milk, pork, fruits (bananas, litchi) and vegetables (cucumber, beans, lettuce, cabbage, carrots, peppers). The result shows that the appropriate environment for food quality refrigerated transport played a good protective effect, although cooling would make energy consumption increase, because it decrease the rot of food, on the whole, to improve transportation economic benefits would be beneficial.In terms of energy wastage, we take transport of banana for instance, analyzing gas tightness of the equipment of refrigerated transport the test way of heat insulation?the problem aging and the influence of energy wastage. During the process of air leakage test, it is not as same as the Differential-pressure method in China. The relation between air leakage and car velocity can be obtained and some relevant researches can be supplied by studying the test way of air components.Based on the investigation of energy consumption and experimental analysis as mentioned above, researchers established a specific energy consumption of refrigerated transport analysis and evaluation model in refrigerated transport process, according to the mechanism of the energy consumption of refrigerated transport. On this basis, the major factors affecting the energy consumption of the benchmark value are given, especially for the issue that the standards on heat leakage, gas leakage of the land refrigerated transport equipment at present are not uniform, the corresponding classification system and the transport rate made the corresponding request are also given. And take the practical refrigerating transportation of highway and rail for example, the analysis and evaluation of their energy are carried out and the appropriate solution strategies to the existing problem are given. Research shows that the system will be able to better real-time analysis of the energy situation and to assist enterprises to find the critical points and weak points of energy, so as to implement effective energy conservation strategies, on the basis of keeping food quality safety to realize the goal of reducing energy consumption.In terms of assessing of the energy wastage in refrigerated transport, researcher draw lessons from the HACCP, setting up the Energy Analysis and Critical Control Point system (EACCP). We can obtain the Critical Control Point(CCP) basis on Energy Analysis(EA), further more we can formulate relevant some conservation measures?supervisory control system?corrective measures and so on. During the process of structure, the weight of each critical control point can be acquired and be ranked. The transport velocity and the pre-cooling measures are the most pivotal elements to influence energy wastage. On that basis, we take a refrigerated transport company for instance and acquire the whole condition level of energy conservation, making suggestions to improve.It is valuable for optimizing in refrigerated transport management?perfecting refrigerated transport system in China?improving refrigerated transport equipment?improving transport quality of goods and reducing energy wastage and so on. It is also significative for management and some applied aspects of refrigerated transport.