Main points of dressing room design in decoration and purification project of 100,000-level food clean room

Food safety is a long-term and arduous task. It is the most basic people's livelihood and a major public safety issue. The construction of food factories is also the top priority to ensure food safety. We are not unfamiliar with the decoration and purification project of the clean room of the food factory. Today, we mainly talk about the design of the dressing room in the decoration and purification project of the 100,000-level clean room of the food factory. Equipped with corresponding changing facilities, and rationally designed airflow organization, setting pressure difference and monitoring devices to meet the requirements for purification and changing. There are several aspects to consider. 1. Usually the following factors must be considered: (1) The setting of the changing room in the decoration and purification project of the 100,000-level food clean room: separate the different stages of dressing in the room, such as changing shoes (taking off your coat), wearing clean clothes ( Wear sterile underwear, sterile coat), air locks (wash hands, sanitize hands), etc. The last air lock, the purification workshop of the food factory requires that 'the static level of the rear section of the changing clothes is consistent with the cleanliness level of the corresponding clean area'. The latter part of the changing refers to the wearing of clean clothes (wearing sterile coats) and subsequent air locks, and the cleanliness level of these areas is consistent with the level of the production area they serve. The front section of the dressing area, as an auxiliary area for the purification pharmaceutical cleanroom of the food factory, needs to be fed with air filtered by the HEPA filter (reference), has a certain number of air changes, and has a certain pressure gradient, but it belongs to the non-classified area. (2) Pressure difference value in the dressing area: The dressing area is used as a passage for people to enter and leave the production area of ​​the purification workshop of the food factory, and the pressure difference (airflow direction) basically flows from a higher area to a lower area. The pressure difference between adjacent airlock chambers is preferably 5Pa. After this accumulation, the pressure difference between the clean area and the non-clean area will not be too high. As long as the pressure difference between different clean areas and between clean and non-clean areas can be controlled to be greater than 10Pa, if the pressure difference is too large, it will cause an increase in the leakage of air through the door seam, and the strength requirements of building partitions are also required. increase. 2. Main points of decoration design of 100,000-level food dust-free workshop: 1. The building and structure of the pharmaceutical cleanroom should be suitable for production requirements; the workshop should be isolated to prevent biological, chemical and physical cross-contamination. Floors, walls, lighting, smoke exhaust, etc. health and safety requirements, etc. The purification pharmaceutical cleanroom project of the meat food factory requires that the production workshop must be divided into cleanliness levels according to the production process, hygiene and quality requirements, and should be reasonably arranged according to the production process flow and the required hygiene level. All production in the same workshop and adjacent vehicles Operations must not interfere with each other. It is designed to protect food, food contact surfaces and food packaging from contamination to the highest degree. 2. Sanitation and control of various facilities The processing area of ​​the dust-free aseptic workshop, tools and pharma machinery, water supply pipes, hand washing, toilets and other sanitary facilities, and garbage disposal are all required to be clean and not cause food pollution. 3. The storage of raw and auxiliary materials in the processing process and control of the dust-free workshop decoration project raw and auxiliary materials in and out of the warehouse, the storage conditions must not produce or cause pollution to other food, and the pollution to food by personnel, pharma machinery and the environment in the processing process should be reduced to a low level, etc. . 4. Control of personnel and materials entering (exiting) the production clean room. Only good design and strict compliance with GMP regulations in the factory design and construction process of the food purification clean room decoration project can ensure a good production after the factory is built. environment and working conditions. The area of ​​the clean workshop is suitable for production, the layout should be reasonable, and the drainage should be smooth; the floor of the GMP production workshop should be constructed of non-slip, sturdy, impermeable materials, and should be flat, free of water, and kept clean; the outlet of the purification workshop should be connected to the outside world. The drainage and ventilation places are equipped with anti-rat, anti-fly and anti-insect facilities. 3. Regarding the pressure difference monitoring of the dressing area in the decoration and purification project of the 100,000-level food clean room, since the cleanliness of the rear (wearing clean clothes + air lock) is consistent with the production area, it is necessary to monitor the pressure between these two areas difference, so differential pressure gauges will be set up between these two rooms and other areas. In addition, according to the requirement that the pressure difference between the clean and non-clean areas of the purification workshop of the food factory must be greater than 10Pa, the pressure difference between this area and the area before the dressing area should be greater than 10Pa. In the decoration and purification project of the 100,000-level food clean room, you should already have a simple understanding of the setting of the dressing room. In the actual construction, all factors must be considered in order to better provide customers with purification solutions .
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