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| Application status and prospects of different grain storage temperature control technologies in the storage of soybeans in squat silo in Henan region |
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| DOI：10.19902/j.cnki.zgyz.1003-7969.240447 |
| KeyWord:Henan region grain storage temperature control technology squat silo soybean storage application status |
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| Abstract: |
| Aiming to provide new ideas and new directions for imported soybean storage enterprises in grain storage temperature control technology innovation and practice, the practical experience of safe storage of soybeans in a squat silo in Henan region was systematically summarized, seven kinds of grain storage temperature control technologies applicable to squat silo were discussed, and the principle of temperature control, application efficacy, cost inputs, technical characteristics and applicable scenarios of each technology were compared and analyzed. At the same time, the study on the application of the center pipe radial direction ventilation technology to the actual silo was elaborated in detail, and the development direction of the grain storage temperature control technologies of squat silo was looked forward. The grain storage temperature control technology applied to squat silo included inner circulation temperature control technology in a single tube, temperature control technology by the cold air fans, inner circulation temperature control technology within the entire silo, slow ventilation cooling technology, closed circulation grain cooling technology, central pipe radial direction ventilation technology and water-based heat reflective coating with ceramic particles, etc. Research showed that the center pipe radial direction ventilation technology could significantly reduce grain temperature, especially for the center area of the silo. Future research could be carried out in the direction of radial direction ventilation technology application in real silo, water retention and loss reduction application in humidification system, radiant refrigeration heat insulation modification, ozone and inner circulation fusion control of book lice, air conditioning and inner circulation combination for temperature control and other directions. |
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