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Anonymous users2024-01-24In fact, although the names, types, and functions of air purifiers claimed on the market are not the same, tracing back to the source, from the perspective of the working principle of air purifiers, there are mainly four types: double purification (active purification + passive purification), water catalyst air purification and deodorization technology, passive adsorption filtration purification principle (filter purification), active purification principle (filterless type).
One: double purification (active purification + passive purification).
This kind of purifier is actually a combination of passive purification technology and active purification technology.
2. Water catalyst air purification and deodorization technology.
Molijing "Water Catalyst" air purification and deodorization products are a revolution in air purification and deodorization technology. Molijing "Water Catalyst" air purification and deodorization products do not require any energy and chemical additives, and only a polymer nanoalloy can work for more than 10 years under the condition of contact with oxygen and water molecules.
Three: the principle of passive adsorption filtration purification (filter purification).
The main principle of the passive air purifier is to use a fan to pump air into the machine and filter the air through the built-in filter, which can mainly filter dust, odor, toxic gases and kill some bacteria. The filter is divided into:
Dust collection filter, formaldehyde removal filter, deodorization filter, HEPA filter, etc. Among them, the relatively high cost is the HEPA filter, which has a very obvious effect on filtering particulate matter, and can decompose toxic gases and sterilize, and can inhibit secondary air pollution.
The quality of the fan and filter of this type of product determines the effect of air purification, and the location of the machine and the layout of the room will also affect the purification effect.
Four: active purification principle (no filter type).
The fundamental difference between the principle of active air purifier and the principle of passive air purification is that the active air purifier gets rid of the limitations of fans and filters, and does not passively wait for the indoor air to be pumped into the purifier for filtration and purification, but effectively and actively releases purification and sterilization factors into the air, and reaches all corners of the room to purify the air without dead ends through the characteristics of air diffusion.
The technologies for purifying and sterilizing factors on the market mainly include silver ion technology, negative ion technology, low-temperature plasma technology, photocatalyst technology and pure ion cluster ion technology.
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Anonymous users2024-01-23I make the floor drain what kind of seal
What does that smell like, can you describe it, hehe. I guess it's caused by not paying attention to personal hygiene for a long time, taking more baths, using more soap, this is not a disease, and the good habit of taking a bath will disappear by itself.
At present, the biggest decoration pollution in the decoration is formaldehyde, formaldehyde exists in a large number of adhesives, is a very irritating odor, formaldehyde can cause respiratory and nervous system diseases such as cough, sore throat, chest tightness, dizziness, nausea, weakness of limbs, dyspnea, drowsiness and other symptoms. More severe cancers such as nose cancer, throat cancer, skin cancer and leukemia are induced. Generally, the cycle of toxic gas activity is 1-10 years, especially in the first year, during which the toxic gas volatilizes quickly and releases a high amount, so the harm to the human body is more serious. >>>More
Mash the tomatoes, soak your hair and apply them, and wait for about 5 minutes to use them consistently.
No matter what kind of leather has a useful life, you can either change the skin or throw it away. When using leather furniture, as long as you know how to maintain it, you can extend its service life, but it can rarely exceed ten years. Your current situation is cortical aging.
I also have a water purifier installed at home, and I feel okay, but I don't need to change the filter element often, which is troublesome.