Clean room / clean room / purification workshop / clean room design points
1. The indoor air purification system of the clean room system can be divided into horizontal laminar flow, vertical laminar flow and turbulent flow. The choice of airflow form is based on the practice, and the second depends on the working parameters of the room. 2. Cleanliness and number of air changes The cleanliness of the room depends on the number of air changes per unit time. Therefore, carefully consider the working nature of the room and the requirements of the production process, and then determine the technical parameters of the purification system. 3. Structure In order to ensure that the airflow is almost undisturbed, structural design must be carried out, and the necessary caution can prevent dust accumulation anywhere in the room. 4. The design scheme To determine the design scheme, the working nature of the room and the air flow conditions in it must be carefully considered. The workshop with a large amount of dust should not adopt the form of ground air supply, and the workshop with high cleanliness requirements should be as far away from other as possible. workshop. 5. As the ceiling of the clean room, the materials of the walls and floors must be materials that should not be broken, not easily stained with particles, and hardly dust-proof. In addition, according to the different working conditions of the clean room modular, it is also necessary to check whether the chemical properties of the filter material are stable. . 6. Pressure and airflow In order to ensure the cleanliness of the room, it is necessary to prevent the outside polluted airflow from entering the room. To achieve this purpose, the clean room modular must maintain positive pressure. In order to obtain the required room pressure, appropriate fresh air must be supplemented. 7. Auxiliary equipment When necessary, some auxiliary equipment must be installed: such as the air indicator of the fresh air outlet, the transfer window on the partition, etc. These equipment must be suitable for the requirements of the room, and must really understand its function. 8. Control of people and things People and things are the main dust sources in the clean room, so they must be fully controlled. For example, before entering the clean room, all people must go through the human cleaning system, change clean clothes, and accept purification. Basic education on system function. 9. Water supply and drainage and air supply devices and power supply The necessary water supply and drainage devices, air supply devices and power supply are provided according to the workshop to be operated. These devices and the equipment involved must be easy to use and design, and must not be used in the air purification system. , The planning of clean room general planning focuses on the whole plant planning of clean room, because it involves a very wide range, it needs to be jointly planned by professionals in construction, water and electricity, air conditioning, environmental protection, earthquake resistance, manufacturing, etc. Although many clean room planning, However, in order to avoid mistakes, please confirm the following items in advance as much as possible: 1. Cleanliness level, 2. Indoor balance measures, 3. Temperature and humidity requirements, 4. The necessity of machinery and equipment, 5. , Determine the production process, 6. The necessity of local exhaust, 7. The flexibility to expand in the future, 8. Sufficient maintenance space, 9. Air conditioning and ventilation mode, 10. Arrangement of staff rest areas, 11. Configuration of facilities and power, 12. Indoor clear height and floor load. 13. Between equipment space and pipelines. 14. There should be fewer doors and windows and better air tightness. 15. Static electricity, vibration and noise. Pollution and disaster prevention, 18. Measurement of installation and operation costs
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