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| Cooling experiment of edible oil in storage tank with an inner refrigerant tube |
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| DOI： |
| KeyWord:edible oil storage inner refrigerant tube flowing mode temperature of oil storage temperature field |
| FundProject:国家重点研发计划项目（2016YFD0401601） |
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| Abstract: |
| In order to increase cooling rate and cut down the cooling cost of storage for edible oil in hot season, a cooling method with inner refrigerant tube was proposed. Base on this method, a temperature control experiment system was set up. In the process of the experiment, 20 groups of experiments were carried out by adjusting the flow mode (top-bottom and bottom-top), flow temperature and flow rate of the refrigerant to analyze the cooling effect under different working condition. The results showed that under the working condition of a top-bottom flowing and high flow rate, the difference between the average oil temperature and the temperature of the refrigerant decreased by 3.2 ℃ at 8 ℃ inlet temperature compared with that of the 16 ℃. When the refrigerant temperature was 12 ℃, increasing the flow rate had the most significant effect on the cooling effect. Compared with the refrigerant flow of bottom-top, the refrigerant flow of top-bottom could cut down the temperature difference between upper and lower layers of the oil storage and effectively block the transfer of external heat to the tank. |
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