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Five effective method to reduce the cold storage energy consumption
  • Keyword:cold storage   Author:admin   Time:2012-11-27
  • 399322com香港挂牌-2021香港今天开码结果-114888com红姐心水1 cold ran through the building envelope, the cold storage building envelope cold storage and cold storage building envelope structure units is proportional to the heat flow. Therefore, should reduce cold storage cold storage building envelope the units heat flow indicators work hard To reduce the building envelope the units heat flow, the thermal conductivity of the insulation material smaller building envelope layer thicker. However, the thickness should not be too thick, otherwise there will be increased construction costs and the waste of space. Therefore, to select appropriate thickness within the insulation material. Usually require insulation material thermal conductivity, low water absorption, low temperature performance, and cost is not too high. The rice husk common cold storage insulation materials, polystyrene foam, polyurethane rigid foam cool. Rice husk easily obtained, but the thermal resistance, easy to moisture, and the large amount of storage body construction time and labor costs were converted in fact, not less than polystyrene; Styrofoam many manufacturers acquire convenience, the thermal resistance larger affordable, to build easy installation; rigid polyurethane foam thermal resistance, thermal insulation performance the best, but the price is high.

    2, cold storage building envelope, moisture-proof and separated steam isolation air measures taken to moisture on the cold storage building envelope is also necessary, otherwise cause the insulation material of poor thermal insulation properties. This is the cold storage body just started using good insulation properties, but the reasons for the deterioration of the insulation effect after a period of time. Since water vapor from the high temperature side to the low-temperature side penetration, moisture-proof vapor barrier should be located in a high temperature insulation layer on one side.

    399322com香港挂牌-2021香港今天开码结果-114888com红姐心水Evaporation temperature evaporation pressure and temperature of the cold storage evaporation temperature and evaporation pressure corresponding to know the evaporation pressure, can be derived through the look-up table. Under certain conditions, the temperature of cold storage warehouse, the temperature difference (the difference of the evaporation temperature and the temperature in the warehouse) was narrow, the evaporation temperature can be increased accordingly, the cooling capacity of the cold storage refrigerator will increase, that is, the cycle efficiency, and accordingly also saves energy.

    4, cold storage defrost operation in general, when the frost layer on the surface of the evaporator of the air resistance is not yet significant, through evaporator air traffic has not been reduced, the impact of the frost layer is not serious, may not have to defrost; When The air flow was significantly reduced, defrost. The greater the humidity of the air, the greater the temperature difference of the temperature of the evaporator and the cold storage library, the more easily on the evaporator frosting, preservation process, as far as possible using the packaging of refrigerated dry consumption of fruits and vegetables can reduce the number of defrosting evaporator reduction, actually also played the role of energy-efficient cold storage.

    399322com香港挂牌-2021香港今天开码结果-114888com红姐心水5, cold storage storage temperature and cold storage warehouse utilization of different fruit and vegetable storage temperature is different, each of fruits and vegetables also have suitable storage temperature range. Cold Storage should be used in the case does not affect the fruit and vegetable quality, the higher the storage temperature. The cold storage temperature is high, the evaporation temperature of the refrigeration system is also a corresponding increase in the cooling capacity will be increased, the cycle efficiency is also improved course. More important to improve cold storage temperature can also reduce heat transfer through the the storehouse body outward. The utilization of the energy-saving cold storage warehouse fruits and vegetables implementing accounting for the effective volume ratio of the volume of the Treasury.

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