2026-04-10Views：
The requirements of clean air for fermentation are mainly related to air cleanliness, temperature, humidity, airflow speed and air pressure, which have an important impact on the stability of the fermentation process and product quality.
Air cleanliness: In order to prevent microbial contamination, the fermentation plant needs to maintain a high standard of air cleanliness. This is usually achieved through the use of high-efficiency filtration systems, regular cleaning and disinfection measures. The clean workshop generally includes air cleanliness requirements of 300,000, 100,000, 10,000 and local 100 levels, which are determined according to the product type and production process.
Temperature and humidity: The fermentation process has strict requirements on temperature and humidity. Appropriate temperature and humidity help the growth and metabolism of microorganisms, thereby improving the efficiency of fermentation. Generally speaking, the temperature of the fermentation workshop should be controlled between 20 and 28 degrees Celsius, and the relative humidity should be controlled at about 70% at the initial stage of fermentation. As the fermentation progresses, the relative humidity should be maintained at 60% to 80%.
Airflow velocity and air pressure: In order to maintain the cleanliness of the air in the workshop, it is necessary to control the airflow velocity and air pressure in the workshop. The airflow speed should be moderate to avoid the accumulation of dust and microorganisms. At the same time, positive pressure should be maintained in the workshop to prevent external contaminated air from entering.
Ventilation: In order to keep the air fresh and clean, the fermentation workshop needs to be ventilated regularly. The number of air changes should be determined according to the air cleanliness requirements of the workshop and the actual situation.
Air purification equipment: In order to achieve the above air cleanliness requirements, the fermentation workshop needs to be equipped with efficient air purification equipment, such as high-efficiency filters, air purifiers, etc. These devices can effectively remove dust, microorganisms and other pollutants from the air.
Please note that these requirements may vary depending on the specific fermentation process and product type. Therefore, in actual operation, air cleaning requirements should be formulated and adjusted according to specific conditions.
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