The refrigeration of chilled foods 87 区X⑧ 区 Fig. 4.3 Cooling tunnel arrangement within a store Fig 4.3 is used to provide a simple form of something approaching a blast chiller. Air is extracted through a uniform thickness of cartons, with air entry other than through the cartons blocked by the curtain. If necessary, pallet bases osed to air movement by the insertion of plastic foam or other convenient 4.7.6 Summary of equipment These types of equipment may be summarised as follows Blast chillers: preferred equipment for most applications, design must be matched to production requirements Hydrocoolers: an excellent alternative in those cases where they may be used, especially fresh fruits and vege Vacuum coolers: specialist equipment for limited application Store cooling: with suitable stacking and curtains, a good method with 4. 8 Chilled storage Chilled storage equipment may be seen around the world in a wide rang sizes, each suited to the particular operation for which it is designed smallest, it may be an absorption cycle refrigerator in a caravan or boatFig. 4.3 is used to provide a simple form of something approaching a blast chiller. Air is extracted through a uniform thickness of cartons, with air entry other than through the cartons blocked by the curtain. If necessary, pallet bases are closed to air movement by the insertion of plastic foam or other convenient material. 4.7.6 Summary of equipment These types of equipment may be summarised as follows: Blast chillers: preferred equipment for most applications, design must be matched to production requirements. Hydrocoolers: an excellent alternative in those cases where they may be used, especially fresh fruits and vegetables. Vacuum coolers: specialist equipment for limited application. Store cooling: with suitable stacking and curtains, a good method with wide application. 4.8 Chilled storage Chilled storage equipment may be seen around the world in a wide range of sizes, each suited to the particular operation for which it is designed. At its smallest, it may be an absorption cycle refrigerator in a caravan or boat. There Fig. 4.3 Cooling tunnel arrangement within a store. The refrigeration of chilled foods 87