1 General Provisions
1.0.1 This standard is formulated to with a view to making the cold store design satisfy the food cold-storage technical and hygienic requirements.
1.0.2 This standard is applicable to cold stores with a major structure as reinforced concrete or masonry structures that adopts vapour compression refrigeration system with refrigerant of ammonia, hydrofluorocarbon (HFC) and their mixture (hereinafter referred as ammonia or HFC refrigerating system), and it is not applicable to cave cold store, panel-assembled cold store and conditioned warehouse.
1.0.3 The design of cold stores shall accomplish advanced technology, environmental protection, economic feasibility and safety & usability.
1.0.4 This code specifies basic requirements of the design of cold stores; where this standard disagrees with the requirements of law or administrative regulation of the country, the law or administrative regulation of the country shall prevail.
1.0.5 In addition to meeting the requirements stated in this standard, the cold store design shall also meet the provisions specified in the relevant current national standards.
2 Terms
2.0.1 Cold store
Storage building complex with cold insulation function by artificial cooling and refrigeration, including refrigerating machine room and power transformation and distribution room, etc.
2.0.2 Storehouse
Main body of cold store building, and auxiliary rooms, like staircase, elevator and anteroom, to serve the cold store.
2.0.3 Anteroom
Passage for transporting goods in and out of chilling room, freezing room or cold storage room, which room temperature is normal or specific.
2.0.4 Cold room
General name of artificially-refrigerated rooms in a cold store, including chilling room, freezing room, cold storage room, ice storage room, low temperature anteroom, etc.
2.0.5 Chilling room
Room in which the chilling process of products is carried out.
2.0.6 Freezing room
Room in which the freezing process of products is carried out.
2.0.7 Cold storage room
Cold room used to store cold products: the cold room to store chilled products is referred to as chilled storage room; and the cold room to store frozen products is referred to as frozen storage room.
2.0.8 Ice storage room
Room to store ice.
2.0.9 Refrigerating machine room
General name of refrigerating machine rooms and equipment room.
2.0.10 Machine room
Room to locate refrigerating compressors. .
2.0.11 Equipment room
Room to locate refrigerating auxiliary equipments.
2.0.12 Cooling equipment load
Heat flow that needs to transmitted from a cold room to keep a certain temperature in the cold room.
2.0.13 Mechanical load
Heat flow taken off by the refrigerating compressor load to maintain the normal operation of the refrigerating system.
2.0.14 Refrigerating system
A closed refrigerating circuit consisted of refrigerating machine/equipment and relevant components connected with pipelines, in which the refrigerant absorbs and release heat in cycle.
2.0.15 Keep to the cooling (cold insulation)
Technical measures to prevent and reduce the external surface condensation and the refrigerating loss of the cryogenic equipments and pipes.
