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Commercial refrigeration The structural impact of refrigerated food
commercial refrigeration The structural impact of refrigerated food
1. Promoting and selling chilled meat in the market From a hygienic perspective, all fresh meat sold in the market should be cooled by commercial refrigeration, which can achieve significant energy-saving effects. The promotion and sale of chilled meat can not only maintain the best quality of meat in terms of appearance and nutrition, but also only consume about 40% of frozen meat in terms of energy consumption.
2. Energy saving after meat carcass segmentation and deboning. The meat carcass is segmented and deboned, changing the practice of freezing and refrigerating white strips of meat in the past commercial refrigeration. According to statistics, the meat carcass is frozen and stored after bone cutting and fat removal, which can save labor force by 25%, save energy consumption for freezing by 50%, and save cold storage space by 50%.
3. Energy-saving effect of refrigerated food after packaging. If refrigerated food is not packaged, it will consume more dry and energy during storage. The cost of packaged frozen food during the storage period is basically close to zero. Since the dry consumption of food is greatly reduced, the number of defrosts of the evaporator is reduced, and the ineffective work of the refrigeration compressor is also reduced to a minimum, which actually saves energy. Strengthening scientific management Strengthening scientific management is an important part of achieving energy conservation goals. A sound management system should be established, and technological transformation should be actively carried out to minimize energy consumption.
commercial refrigeration The main content of scientific management includes the following aspects:
1. Establish energy consumption management system
1) Daily operation management
(1) Fill in the work diary. Always fill in the equipment operation diary. The main content is the startup and shutdown time of compressors, ammonia pumps, water pumps, fans and other power equipment. The temperature and pressure conditions of various refrigeration equipment (such as evaporation temperature, condensation temperature, intermediate temperature and pressure, exhaust Air temperature, suction temperature, liquid temperature before expansion valve, commercial refrigeration temperature, water temperature, outdoor temperature, relative humidity, etc.) in order to check the working status and efficiency of various equipment.
(2) performs statistics on a monthly basis. The monthly average working status can only be calculated as the arithmetic average when the number of day and night working hours in a month remains unchanged. Otherwise, the daily average of each day and night should be multiplied by the number of working hours, and then all the products should be added up. Divide by the total number of hours worked in a month.
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