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Ventilation and air purification device

Ventilation and air purification device

When ventilating a room, unwanted particles also enter the room with air. Dust, allergens, unpleasant odors penetrate open windows. How to ventilate a room without dust penetration, the author came up with homemade. The carbon-filled filter does an excellent job. Coal is a good adsorbent.

To make the filter, the author needed the following tools and materials: scissors, stapler, centimeter, fan, activated carbon, cardboard, scotch tape, mesh.

The power and size of the fan (and, accordingly, the filter) is selected based on the volume of the room. As a filler, the author uses activated carbon used in filters sold in stores. Since coal is damaged during transportation, it must be washed with dust and dried.

First, the author makes a rectangle out of cardboard. The width of the rectangle is equal to the diameter of the fan plus 0.5 cm. The length will be equal to the thickness of the fan (with a protective net) multiplied by three. Noting the size obtained on the cardboard, cuts out the rectangle. From a rectangle, the author twists a cylinder. It is convenient to bend cardboard along vertical guides.

After that, the author makes a marking for the fan wire. Cutting out a window under the wire, inserts a fan into the cylinder. The junction of the fan and cylinder is securely fixed with tape. By turning on the device in the network, it checks that the fan sucks air from the cylinder, and does not drive it there.

The author made a cartridge for the filter from cardboard and a fine mesh. The author cuts a strip of cardboard. The size of the strip is equal to the size of the cylinder diameter multiplied by 3.14. The width of the strip is 3-4 cm. Glues the strip in the form of a ring and glues it with duct tape.

Then attaches the grid. If the grid is large, you can fold it in 2-3 layers. The grid is attached on both sides with a stapler, and one side does not completely cover.



Activated carbon is poured into the filter through a paper funnel.

Mesh the gap left.

It installs a filter in the cylinder and securely fixes the joint with adhesive tape.

By installing the resulting device in the ventilation hatch, and connecting to the mains, you can enjoy clean air. As the author of the homemade assures, the filter lasts about six months. At the end of the service life, it is necessary to make a new cartridge or replace the activated carbon in the used one.
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10 comments
I quoted the word "microventilation" because the name has taken root, but I don’t think it is right ...
... I suggest not some, but use the one that is now in every window. And why is there "no oxygen"? Why did you glaze her like that? )))))
... In winter, the sash of the balcony frames can be closed in exactly the same way not completely, but in the micro-ventilation mode ... The same thing with the balcony door ... I meant it ...
Something did not work out to find the type number of this 9-story panel of the late 70s. There, the loggia was opened as a honeycomb to all the winds and snows. It was glazed so that it was warmer. (And almost everything was done in such houses - glazed). In winter at minus 30 nothing opens there. In winter, this loggia is COLD and there is NO oxygen. You offer some kind of "Microventilation" on the loggia. The ventilation duct goes from the street through the loggia and into the room. Supply. A hood, through the corridor, in the kitchen. And all this is calculated ...
There are such devices - breathers, purify and heat the air coming from the street, however, there are conflicting reviews regarding them in terms of efficiency. The difference from microventilation there is in air purification. If the windows overlook the avenue with heavy traffic or an industrial enterprise that spoils the air, then this can be a good exit.
Through a gas mask then)) Or make a water filter, as in modern vacuum cleaners.
I somehow did not meet, to be honest ... Yes, and I do not understand something of the need - to put a window, or a balcony door to "microventilation" can be at -30. With a large area and a slow speed, this process has enough fresh air and it has time to warm up ..
Supply ventilation also with cleaning is a necessary thing in modern apartments. I made it in my panel apartment, in the back room, with heating. There was no ventilation at all, just opening the door to the loggia. At minus 30 degrees on the street no one opens the door to the loggia. But, the ventilation duct made of cardboard, of course, is not durable and fire hazard.
Author
I do not, but this does not mean that others do not need it. Please, if you wish, you can still pick.
Do you have forced ventilation at home? Do you live in a sealed capsule?
Author
The ventilation is forced-in. Let's say your neighbor smokes, ... starts the car under the ventilation duct, ... makes pigs, ... but the performance will not be so hot, but the smell will beat off. And the dust will not drag out too.
I don’t catch up with anything .....
1. To protect against activated charcoal dust, sorry, nafig is not needed!
2. Even if the author is afraid of the presence of OM in the air, then it is necessary to seal the entire apartment, except for this filter, otherwise the price will be worthless ...
3. If it seals, it will suffocate: the fan from the photo is too weak ...))))
4. Through a grid with a photo, activated carbon will wake up with a whistle on the floor! He is finely divided ....
5. By installing a filter in the ventilation duct, we will save the world from our emissions, and not ourselves - the ventilation duct, it is a HOOD!

Something tells me that "home-made" is some schoolboy’s fantasies .....)))))

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