Which areas can be divided in food purification workshop according to different cleanliness

As we all know, the purification workshop of food factory is a project beneficial to both consumers and enterprises In recent years, with the rapid development of domestic purification industry, many enterprises that have implemented the purification workshop of food factory have gained greater development advantages Generally, the purification workshop of food factory is divided into non food processing area, general production area, quasi clean production area and clean production area according to the cleanliness of the workshop (area) Among them, quasi clean production area and clean production area belong to management (supervision) production area 1 General production area General production area refers to raw material warehouse, material warehouse, outer packing room and finished product warehouse which are closely related to product production, but the air cleanliness requirements in the area are inferior to the operation area of the controlled production area 2 Clean production area Quasi clean production area refers to the operation area with less cleanliness requirements than clean production area, including food processing and conditioning area, places for processing and production such as improving food characteristics or preservation, and preparation room for inner packaging materials In this clean space, the inner packaging materials that can be directly used without any cleaning and disinfection procedures are removed for outer packaging or molding 3 Non food processing area It mainly includes quality control (inspection) room, office, dressing room, hand washing and disinfection room, etc In the purification workshop of food factory, the air cleanliness level of different production areas is different, and the number of settling bacteria is also different Production area air cleanliness class settling bacteria number (PC / m3) settling fungus number (PC / m3) production section clean production area 1000-10000 < 30 < 10 perishable or ready to eat finished products (semi-finished products) cooling and storage, adjustment, inner packaging and other quasi clean production areas 100000 < 50 processing, heating and other general production areas 300000 < 100 pretreatment, raw material storage, warehouse, etc Note: PC / m3 is the number of suspended particles in unit volume of air