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The most used HEPA filter in the clean room


In order to ensure the quality and safety of pharmaceuticals, pharmaceutical companies in the pharmaceutical industry will strictly control the cleanliness and temperature and humidity of the production environment inside the workshop. Among them, the clean room design specification GB/T14294-1993 specifies the clean room cleanliness. The area air cleanliness level 100, 10000 level area generally control temperature is 20 ~ 24 ° C, relative humidity is 45 ~ 60% flat; 100000 level area generally control temperature is 18 ~ 28 ° C, relative humidity is 50 ~ 65%; 10 to 30% of the total air supply volume to the flow clean room, 2 to 4% of the total air supply volume of the unidirectional flow clean room; ensure that the fresh air per person per hour is not less than 40 m3; the clean room must maintain a certain positive Pressure.

The clean room of the pharmaceutical industry is different from other industrial clean rooms. It also produces aseptic preparations and raw materials. It not only controls the sol particles in the general suspension state in the air, but also controls the number of viable microorganisms, that is, provides "sterile drugs". The corresponding air cleanliness environment (sterile room) necessary for production. Therefore, the air conditioning system in the pharmaceutical industrial plant must also control the microorganisms within the prescribed standards through sterilization, sterilization and disinfection. Related sterilization and disinfection equipment is also particularly important.

Among them, the air filter is a device that collects dust from the gas-solid two-phase flow through the action of the porous filter material, and purifies the gas. The air filter is used to purify the air with low dust content and then send it into the room to ensure the process requirements of the clean room and the cleanliness of the air in the general air-conditioned room.

Hepa filter is the most used in clean workshops. For some dust-free pharmaceutical workshops with high requirements, hepa filter is needed for filtration. Hepa filter is mainly used to capture particulate dust and various suspended solids below 0.5um. The hepa filter is mainly composed of a filter element and a housing. The basic requirements are high filtration efficiency, low flow resistance, and continuous use for a long time to reduce the cost of consumables.

With the improvement of GMP standards in recent years, as well as the improvement of energy saving and emission reduction requirements. Hepa filter is increasingly valued by the pharmaceutical industry, and the equipment on the market is becoming more and more abundant, which makes the competition among manufacturers increasingly fierce.

At present, China's pharmaceutical industry is welcoming a favorable form of policy, and its supervision is becoming more and more strict. Hepa filter equipment has broad prospects. Equipment manufacturers should seize the trend and develop the pulse market to create more efficient, energy-efficient and standards-compliant equipment.

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