T/NXXH 063-2024 Cold Chain Equipment and Facilities Specifications

Scope

Scope: This document specifies the transportation vehicles, auxiliary equipment for cold storage, temperature control systems, and safety management and operation and maintenance of cold chain equipment and facilities. This document is applicable to the management of cold chain equipment and facilities. Main technical content: 3. Terms and definitions: The terms and definitions defined in GB 29753 apply to this document. 4. Performance of transportation vehicles 4.1.1 Technical requirements: The overall dimensions, axle load, and weight limits of complete vehicles and trailers shall comply with the provisions of GB 1589. Materials: The vehicle compartments shall use insulation materials with low water absorption, low air permeability, and good corrosion resistance. The thermal conductivity coefficient of the insulation materials shall be less than 0.028 W/(m·℃). The insulation materials shall have good temperature stability and not degrade in performance when used in an ambient temperature range of -40℃ to 70℃. The interior and exterior panels of the compartments shall be filled with insulation materials. The compartments shall use materials that comply with environmental protection and food safety regulations. The compartments shall use lightweight interior and exterior panels. The walls shall be made of smooth, waterproof, cleanable, rust-proof, and corrosion-resistant materials. The doors shall be made of smooth, waterproof, easy-to-clean, and sturdy materials. The airtight compartments shall have good waterproof sealing, and there shall be no leakage at the top, sides, doors, or connections between the refrigeration units and the compartments. The compartments shall be equipped with drainage holes, and the drainage holes shall be installed with sealing devices. The inlet and outlet facilities of the pipelines and drainage holes shall be regularly inspected. The door seals (linings) shall be regularly inspected and replaced. The ventilated compartments sh

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