T/SCOA 0001-2025 Technical sepecifications for the storage and preservation of high-quality local paddy in Shanghai

Scope

3 Terms and Definitions The terms and definitions defined in GB/T 17891 and GB/T 29890, as well as the following terms and definitions, apply to this document. Shanghai High-Quality Local Paddy Paddy grown within the administrative area of Shanghai with a straight starch content (dry basis) of 8% to 22%, and other indicators meeting the quality requirements for second-grade and above japonica paddy in GB/T 17891. 4 Requirements for Storage Facilities and Equipment Grain Silos It is recommended to use room-type and cylinder-type silos for storing high-quality local paddy. The design and construction of silos for storing high-quality local paddy should comply with the requirements of GB/T 29890. The heat transfer coefficient of the silo walls used for storing high-quality local paddy should meet the following requirements: the storage temperature should be between 0.46 W/m2·K and 0.52 W/m2·K. The heat transfer coefficient of the silo covers used for storing high-quality local paddy should meet the following requirements: the storage heat transfer coefficient should not exceed 0.35 W/m2·K. The silos used for storing high-quality local paddy should have good airtightness and comply with the provisions of LS/T 1213 and LS/T 1225. The doors, windows, and ventilation holes of the silos should be tightly sealed and equipped with measures for insect prevention, rat prevention, and pest prevention. Equipment and Facilities The grain silos used for storing paddy should be equipped with a grain condition monitoring system that meets the requirements of GB/T 26882, a mechanical ventilation system that meets the requirements of LS/T 1202, and specialized storage equipment such as fire detection, wind volume and pressure detection, temperature and humidity control, etc. Based on different storage ecological conditions, silo types, and actual needs, refrigeration equipment (such as grain coolers and air conditioners), gas-regulating equipment (nitrogen,

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