Classification design of cleanliness in sampling room of purification plant
The purification plant level in industries such as medicine, food, cosmetics, and beverages is generally 100000 level, and the sampling room is a 10000 level dust-free workshop. In this practice, three-stage filtration is used, and high-efficiency filters are used at the end to provide the final filtration efficiency. Install a medium efficiency filter in front of the surface cooling section of the air conditioning unit and a coarse efficiency filter at the fresh air outlet. Reasonable airflow organization is based on the cleanliness level of the sampling room and auxiliary rooms. The sampling room and other auxiliary rooms adopt a non unidirectional airflow pattern, with top feeding and bottom backflow. In the design of the air supply diagram, the position of the operating point should be considered first, preferably arranged above the process operating point, and the main flow area of the air supply outlet should cover the protected operating point as much as possible; Then, the balance of the air supply outlet should be considered. When there are many operating points and uniform cleanliness is required indoors, the air supply outlet should be arranged symmetrically as much as possible. Moreover, the purpose of symmetrical arrangement is to achieve maximum uniform diffusion of airflow and reduce vortex areas. Overview of Sampling Room Purification sampling room is widely used in industries such as medicine, food, cosmetics, beverages, etc. It is one of the essential purification projects for raw material and finished product warehouses, and plays a crucial role in controlling product quality. Sampling room, as the name suggests, is a room for sampling and testing materials in purification engineering. Reasonably plan and layout to ensure the cleanliness of the cleanroom. The pharmaceutical purification workshop is a complex and multifunctional whole, and the sampling room is part of it. A reasonable process layout can ensure the cleanliness of the sampling room. In the purification project design of the sampling room, a certain auxiliary room is designed with the sampling room as the core, and the auxiliary room is organically combined with other rooms to form a relatively independent area with a reasonable process. According to the principle of clear cleanliness and easy regional communication, the sampling room is divided into 7 major areas: (1) shoe changing room, (2) one shift and hand washing room, (3) two shifts, (4) cleaning room, (5) cargo hall buffer room, and (7) sampling room. In the planning and layout, separate the pedestrian and logistics channels to avoid cross infection; In order to prevent personnel from contaminating their hands again after washing them, induction based hand washing and drying measures are installed in the first shift handwashing room. In order to ensure the cleanliness of the sampling room, a buffer room is designed between the cargo hall and the sampling room, which is located at the entrance and exit of the clean room, with high-efficiency filters for air supply and a certain number of air changes!
Design and construction of purification engineering for sampling room in dust-free purification plant
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