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In what ways do clean zone high efficiency filters intercept and filter?
In what ways do clean zone high efficiency filters intercept and filter?High-efficiency filters in clean areas are filtered by four forms: interception, gravity, airflow, and van der Waals forces:1. interception mechanism that is commonly understood as a sieve, generally 5μm, 10μm of large particles are intercepted "sieve" down. 2. small volume and high density of dust particles under the influence of gravity, through the hepa when the speed is reduced like sediment sinking in the bottom of the river as a natural settlement on the hepa filter network. 3. Uneven weaving of the filter mesh results in the formation of a large number of air swirls, and small particles are adsorbed on the hepa filter mesh under the action of airflow cyclones. 4. Micro-particles do Brownian motion to hit the hepa fiber layer and are purified by the influence of van der Waals forces. For example, virus carriers below 0.3μm are purified under the influence of this force. How often do I have to change my clean zone HEPA filter? The core indicator for determining the service life of a filter is the dust capacity. The core data affecting the dust holding capacity is the extended area of the filter, the larger the extended area of the filter, the higher the dust holding capacity and the more durable the filter. The dust holding capacity is the amount of dust that accumulates under a certain airflow when the resistance due to dust accumulation reaches a specified value (generally 2 times the initial resistance). (If you find it too much trouble, in general, an ordinary high-efficiency filter for a few days can last 6-12 months, judging by the local air quality) |
