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What are the classification of air purifier working principle? The working principle of air purifier is relatively simple,Is the filter fan,The indoor dirty air is sucked into a closed air purifier,Filter the impurities in the air through a layer of filter,Leaving clean air back into the room,So cycle a few times,Know that the air is clean.At present, the form of air purification is roughly divided into three categories: Passive filtering (filter filtering,Such as olive air purifier), active filtration (ion filtration,Such as the Bayon air purifier) and the filtration of the two compound (such as sharp net ion group ).Filter type.Such air purifiers use porous filter materials,Trap and collect particles suspended in the air.It usually uses HEPA filter or activated carbon filter,Can filter small particles,The role of absorbing harmful gases such as formaldehyde, benzene and ammonia.If the indoor air is not particularly dirty,Use 6-per average day-8 hours,The service life of activated carbon is only about
Excuse me, is the cold container a pressure vessel? You can't get an answer to this question. is the pressure vessel not looking at the name of the equipment? to judge whether a device is a pressure vessel, the following two points should be met at the same time: 1. the working pressure (also known as the operating pressure) is greater than 0. 1Mpa, 2. the medium is gas, liquefied gas, or liquid with a temperature higher than the standard boiling point. do you know how to judge it? For example, a container, the medium is filled with water, and the working pressure is 0 if the working temperature is 80 °C. 6Mpa, it is not a pressure vessel, because it has no gas in it and is less than 100 °. it is not a pressure vessel. if the water is not filled and there is gas phase space on it, it is a pressure vessel, if it is full of water and the working temperature is higher than 100 °C, it is also a pressure vessel, so you can't get an answer if you ask a device name is a pressure vessel. you ask, it can only be said
