About the air purifier, how much is the function you care about?

Electrostatic dust removal and filter filtration

Electrostatic dust removal does not need to update the filter screen, and the dust removal amount is very suitable for use in a heavy dust environment. The industrial environment is basically used for electrostatic dust removal.

Since the filter became popular, in the home, electrostatic dust removal has been slowly eliminated. Mainly due to the following reasons:

1, the biggest problem of electrostatic adsorption, the production of ozone. At present, the electrostatic adsorption of ozone is better, and the ozone entering the room can be said to be minimal. Moreover, the human nose is very sensitive to the smell of ozone, and the ozone concentration is clearly below the safety standard to clearly perceive the odor.

2, electrostatic adsorption for PM2.5 removal effect is not as good as HEPA filter. Electrostatic dust collection technology has obvious adsorption effect on larger particles, but the removal effect of PM is not as good as that of the high-grade filter. The household-grade electrostatic precipitator system can achieve a purification rate of up to 97%-98%, which is equivalent to the H11 grade HEPA filter.

3, electrostatic dust removal is a one-time business, does not need to change the filter regularly. Filter cleaning requires regular replacement of the filter, so, you know, for now, household dust removal is almost always filtered by the filter.

In view of the current mainstream of filter filtration, the following focuses on the HEPA filter air purifier.

The principle of the HEPA filter air purifier is very simple: ventilation fan + a HEPA filter. Buy a HEPA filter and stick it on the ventilation fan to achieve a good purification effect.

Some brands, thousands of, or even tens of thousands of air purifiers, are definitely profiteering! The world’s highest-end IQAair air purifier, the purifier used in the Beijing Olympic Games and Hong Kong hospitals, the purchase price is not more than 10,000 (the price of domestic stores is 14,000).

Pick a filter air purifier, the most critical HEPA filter level.

HEPA has a filtration rating of at least H11. The filter grade is lower than H11, which is actually a Taipower fan. When purchasing an air purifier, be sure to understand the level of the HEPA filter.

If it is in a heavily polluted area, it is recommended to purchase a machine above the H13 filter.

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