Management of cold storage facilities in purification workshop
Management of cold storage facilities in purification pharmaceutical cleanroom
Cold storage is a low-temperature airtight storehouse built with thermal insulation materials. It has complex structure, high cost, fear of moisture, heat, water, and cold running. The walls, floors, ceilings and door frames in the storehouse should be free of Ice, frost and water should be removed as needed, warehouses without sewers and walk...
Text label: Purification workshop supporting cold storage, purification plant cold storage management
Cold storage management for purification pharmaceutical cleanroom
Cold storage is a low-temperature airtight storehouse built with thermal insulation materials. It has complex structure, high cost, fear of moisture, heat, water, and cold running. The walls, floors, ceilings and door frames in the storehouse should be free of Ice, frost and water should be removed as needed. In warehouses and corridors without sewers, water-based operations should not be carried out, and floors and walls should not be washed with water; the pipes and air coolers in the warehouse should be flushed and swept regularly. , remove the ice, frost and water on the floor and pipes in time, and often check whether there is water leakage or water seepage on the ceiling and walls outside the warehouse. Warehouse, to prevent the temperature inside the warehouse from rising too high, causing the insulation layer to freeze and thaw and damage the cold storage. The warehouse should be used according to the purpose specified in the design. The high and low temperature warehouses cannot be changed at will. The warehouses for various purposes should maintain a certain temperature when there is no commodity storage. The freezing room and the low temperature room should be below -5℃, and the high temperature room Below the dew point temperature, so as to avoid moisture and dripping water in the warehouse, which will affect the building; if the original design of the freezing room with cooling process is changed to a direct freezing time, there should be enough refrigeration equipment, and the quantity of incoming goods should be controlled and a reasonable warehouse temperature should be controlled. , so that there is no dripping water in the warehouse.
The floor of the cold storage is designed to withstand a certain load, and is covered with a moisture-proof and heat-insulating layer. If the protective layer on the surface of the floor is damaged, the water will flow into the heat-insulating layer, which will make the heat-insulating layer ineffective; such as commodity stacking Overloading will cause cracks in the floor, and the commodities cannot be directly spread on the warehouse floor for freezing; the stacking weight of the commodities in the warehouse and the loading capacity of the transportation tools cannot exceed the design load per unit area of u200bu200bthe floor, and each warehouse must be approved by the unit. The maximum load of the area and the total load of the warehouse shall be marked on the door of the warehouse so that the management personnel can supervise and inspect; Overload to ensure safety; cold storage designed with underground ventilation should strictly implement the design instructions for underground ventilation, and regularly check whether there is frost, blockage and water accumulation in the underground ventilation channel, and check whether the return air temperature meets the requirements. Avoid freezing the floor due to improper operation. Aisles of reasonable width should be reserved in the warehouse for transportation, operation and safety. The operation in the warehouse should prevent transportation tools and commodities from colliding with refrigerated doors, elevator doors, pillars, walls, pipes and pipes of the refrigeration system, etc.; Deformation, damage to the sealing strip, damage to the electric heating gas should be repaired in time. Zhongjing Global Purification can provide consulting, planning, design, construction, installation, transformation and other supporting services for purification workshops and purification plants.
Under normal production conditions, the temperature of the freezer should be controlled within the range of the design temperature ±1°C, and the temperature of the freezer should be controlled within the range of the design temperature ±0.5°C. Among them, the temperature rise of the freezer for frozen objects should not exceed 4℃, the temperature rise of the freezer for refrigerated objects should not exceed 3℃, the temperature of the frozen goods entering the freezer for frozen objects should not be higher than the temperature of the freezer by 3℃, and the temperature of the freezer should be - If the temperature is 18°C, the temperature of the goods should be below -15°C; when the goods are stored, they should be stored in batches and piles according to the variety, grade and use, and the cards should be filled and hung in the obvious place of the goods according to the number of the piles. When some commodities are refrigerated, the surface is required to be covered with ice. For example, commodities that have been refrigerated for a long time can be maintained by spraying water on the surface of the stack, but water should be prevented from dripping on the floor, wall and cooling equipment.
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