The main energy saving measures freon refrigerator

in our country, the energy consumption of the cold storage work generally accounted for more than 70% of the total energy consumption of cold chain logistics company, so the energy-saving refrigerator is particularly important for cold-chain logistics company.

under normal circumstances, the refrigeration system in practice work, because the temperature is constant changes, simply based on a cold storage processing personnel careful operation and precise scheduling work of cold storage refrigeration equipment, talent make the refrigeration system is always in the most ideal job, reach high efficiency and energy saving effect.

, for example, library in low temperature freezing or frozen equipment deflation than less than 8, after receiving a lot of low temperature cold storage was turned on to enable double squeeze machine, the refrigerator energy consumption increased, accurate method is to first choose single stage refrigeration austerity, when the evaporation pressure drop down, its tightening than is greater than 8 again to switch to the tightening double-stage refrigeration methods. Air conditioning refrigeration market experts told reporters that in addition to this, also some measures can effectively decline in energy consumption.

a, the reasonable use warehouse, cold season in a timely manner and library

a refrigeration power consumption is according to how much frozen cold consumption between accounting generally includes two parts: one is cooling and refrigeration products of cold consumption; The second is a refrigeration itself ( The palisade structure) And the operation process of cold consumption. Conserve power lies in a refrigerated room utilization rate, low utilization rate of cold refrigeration unit consumption, power consumption is more also. In the practice operation, because of the power of the motor is equipped with refrigeration talents selected according to the machine, that is the amount of consumption of cold warehouse is less than the refrigerator refrigeration talents. Cold storage in the cold season, because a register of refrigerated goods less, work is the 'big horse-drawn cart', waste electricity. During the cold season, therefore, can be a few refrigerated room inside the goods according to the storage temperature and library in time, in order to reduce energy consumption.

2, punctual put oil, descaling and object completely

expert introduction, when the evaporator coil is 0. 1 mm thick oil film, begged to adhere to the set temperature, evaporation temperature will drop 2. 5 ℃, power consumption increased by more than 10%; When the water in the condenser tube wall scaling up to 1. 5 mm, the condensing temperature than the temperature rise of 2. 8 ℃, power consumption increase. 7%; When mixed with no agglutination gas in the refrigeration system, the partial pressure value reaches 0. 196 mpa, the power consumption will increase by about 18%. So cold storage refrigeration system, the importance of punctuality put oil, descaling and object completely.

3, reasonable scheduling refrigerator evaporator, timely defrosting

in general, cold storage evaporation temperature for every 1 ℃, forward can be energy-saving 2% ~ 2. 5%. Therefore, on the premise of satisfied commodity cooling technology, for fluid volume can be adjusted through, try to advance the evaporation temperature. Frost layer thermal resistance of thermal resistance is much larger than steel tube, when the frost layer thickness is greater than 10 mm, the heat transfer power down more than 30%. When out of tube wall temperature is 10 ℃, the temperature in - 18 ℃, drainage tube evaporator refrigeration system work a month later, the heat transfer coefficient K value is probably just was 70%. Air cooler frost is particularly serious, no thermal resistance increases, and the activities of the air resistance increases, serious when will not be able to supply, so be in season to defrost the evaporator appearance. In large and medium-sized cold storage refrigeration system, generally choose hot ammonia ( Fluoride) Frost and water impact and the frost and not choose electric defrost way of high energy consumption, and small freon refrigeration system to simplify the line, can choose electric defrost method, but should be based on the heat equipment required for the frost layer melts suitable electric power.

4, pay attention to energy saving lighting system in

refrigerator lighting should be on the basis of safety, scientific, reasonable, set sail from the perspective of energy saving and environmental protection, according to the height of the area in between the refrigerator, and warehouse temperature considered are summarized. Cold storage in the lighting generally have in the work area. Should do in the case of ensuring the safety of operation personnel in a timely manner to turn off the lights, to reduce the heat load and power consumption of the warehouse. Try to choose the lighting lamps and lanterns with high efficiency low pressure together in order to reduce the change frequency of lamps and lanterns. LED lighting system has the environmental protection save electricity, uniform illumination, low temperature when the advantages of high luminous power and power supply power is a kind of new light source of great vision, and in the future the development direction of lighting system in refrigerator.

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