The principle of air purifier, purifier can remove smog? Smog mostly refers to a diameter less than or equal to PM2.Particles of 5,These particles will bypass the physical barrier of the human body and enter the body to affect health.The air purifier is designed for smog,The filter used internally is generally HEPA layer,The HEPA layer consists of special materials. Its gaps allow the air to pass through but intercept the particles in the air to achieve purification.The filter of the general purifier will also be charged with static electricity to absorb dust.Pm2. can be cleared.5-0.Particles of 3,It can only be in a closed environment,Similar to on air conditioning,Constantly suck in the exhaust gas,Breathe fresh air.You can ensure that the air quality of the environment you are staying in is better.The air purifier can remove indoor formaldehyde,Please look down for specific analysis: pay attention to the weight of the filter element.Products with corresponding functions generally indicate that formaldehyd
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How to layer quartz sand in fine sand filter? CJ 24-1-Inquiry of quartz sand filter material: 0539-6817758;This standard is applicable to quartz sand filter materials for drinking water filtration (or natural sand mainly containing silicon) and gravel support materials (gravel for supporting filter materials in the pool ).Quartz sand filter materials and gravel support materials for water filtration for industrial use can be carried out with reference.2.1 The sum of the breaking rate and wear rate of quartz sand filter material should not be greater than 1.5% (percentage by quality,The same below ).2.The density of quartz sand filter material should not be less than 2.55g/cm3.Except for those with special requirements for average density in use.2.3 quartz sand filter material should not contain visible soil, mica and organic impurities,The water leaching solution of the filter
