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The energy-saving impact of commercial refrigeration
The energy-saving of commercial refrigeration
commercial refrigeration is the main electricity sector in the refrigeration industry, so it is also the core sector of energy conservation. At present, the refrigeration system of commercial refrigeration consumes an average of 110kW per ton of white meat frozen. The high power consumption index is 180kW per ton, and the low power consumption index is 70kW per ton; for the frozen storage room, 1 ton is stored. The daily consumption level of frozen food is 0.4kW. The high power consumption index is 1.4kW per ton per day, and the low power consumption index is 0.2kW per ton per day. For the cold storage room, the average daily power consumption for storing 1 ton of food is It is 0.5kW, among which the high power consumption index is lkW per ton per day, and the low power consumption index is 0.3kW per ton per day. It can be seen that the energy consumption of commercial refrigeration varies greatly from region to region, from enterprise to enterprise, to design and management level. Therefore, technical transformation and scientific management of commercial refrigeration refrigeration systems to achieve energy-saving purposes have great potential.
Adopting new technology, new technology, new equipment design plan
1. Reduce the unit heat flow index of the commercial refrigeration envelope In the commercial refrigeration design, the unit heat flow qF of the outer wall of the low-temperature commercial refrigeration is generally 11. h), if it will drop to 6.98～8.14W/ (1112.h), for a 5000-10000 ton low-temperature commercial refrigeration, according to statistics, the power cost can be reduced by about 10%. Of course, due to the decrease of the unit heat flow index, the thermal insulation layer of the commercial refrigeration envelope should be thickened ' the first investment should be increased. However, compared with the reduction of commercial refrigeration operating costs, whether it is considered from an economic point of view or a technical management point of view, it is reasonable to reduce the unit heat flow index of the commercial refrigeration enclosure structure.
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