A refrigerated truck is a closed van transporter that freezes or keeps fresh goods. The temperature required for various foods during transportation is different. How should we choose the temperature for different foods? Here's a brief introduction for everyone. First, fruit, vegetable preservation area: in the two to eight degrees of refrigeration temperature zone can make vegetables, fruits, eggs, beer and other cold preservation color preservation, to maintain authentic flavor. Like apples, grapes, peaches, etc. are very suitable for transport within this temperature range. Second, meat, fish preservation area: in the state of zero to two degrees Celsius preservation, no ice, no loss of nutrition, fresh fish meat can be stored for 1-2 days, the freshness is not reduced. Raw bacon, raw pork, raw beef, raw chicken, etc. are suitable for transportation at this temperature range. Third, variable temperature refrigeration zone: In the temperature range of -2 to -14°C, it includes: 1. Zero to two to three degrees Celsius water temperature refrigeration area. Margarine, cheese, condensed milk, butter, butter and other foods are suitable for this temperature range. 2. The freezing of four temperature zones below minus ten to minus fourteen degrees Celsius not only maintains fresh taste, but also maintains the nutrition of the food. 3. Fast-freezing zone: In the freezing temperature zone of minus 18 to minus twenty-one degrees of color, meat, fish, frozen foods and other foods can be stored for a longer period of time. The freezing speed is faster and the freezing is more lasting. Ice cream, frozen fruit, concentrated juice and other foods are suitable for this temperature. Daily maintenance of refrigerated trucks : First, check whether the refrigerating car engine oil is sufficient, not too much and not too little, too much too little for the daily use of the engine are affected; Second, to see if the refrigerator car engine has oil leakage, water leakage, leakage phenomenon, if there is a need for timely treatment, the most taboo diesel is the above reasons, if not treated in time may have the possibility of burst cylinder; Third, check whether the instrument related to the engine is normal and keep the water temperature normal. Fourth, the cleanliness and hygiene of refrigerated truck engines are very important. Maintaining the cleanliness of the engine directly affects the useful life of the engine. Fifth, add antifreeze. If the engine freezes the pipes inside the engine, it will be a serious problem.
Machinery Parts is namely machine parts, it is basic components of machine.
Since the present of machine, the corresponding mechanical parts appear. But as also be a discipline, machinery parts separated from the mechanical structure and mechanics. With the development of mechanical industry, new design theory and method, new materials, new technology all appear one after another, then machinery parts entered a new stage of development. Theories such as finite element method and fracture mechanics, elastic hydrodynamic pressure lubrication, optimization design, reliability design, computer aided design (CAD), entity modeling (Pro, Ug, Solidworks, etc.), system analysis and design methodology has been gradually used in the research and design of machinery parts. Better combination of a variety of disciplines, combination of macro and micro to search new principle and structure, more dynamic and precise design, more efficient use of the electronic computer, the further development of design theory and method, is the important trend in the development of the discipline.
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