smoke particals

rana.umair.ahmad said:

hello friends.
i want to make an smoke ionizer,mean that particals of smoke will break into ions,i just want know how i can do this?
if anyone have idea about this plz tell me.
thanks

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BeeBop said:

What he is looking for is a negative ion generator; something which produces a stream of negative ions, which can attach themselves to smoke particles which are missing an electron, and which will cause them to precipitate out of the atmosphere.

Usually this is done with a high voltage generator where the - output is sent to a needle.

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Willbe said:

You mean like an electronic air cleaner?

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Boncuk said:

smoke particles are ionized in electrostatic air cleaners used in clean room technique at semiconductor manufacturers'.

They must have at least 25,000V and a relatively high amperage too.

Any control device working with an MCU must be placed well away (50m+) with double shielding on each cable.

All the shielding fails if the smoke particles cause an arc inside the filter.

Boncuk

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BeeBop said:

Yea, I have a couple of little ones that I bought cheap. They work in a small space, and you can smell a 'fresh as rain' smell. Falling water also releases ions.



They don't have to be that big, or powerful, but I suppose in a clean room, you would want that kind of power. I think you do need around 10kV, though. You don't need lots of current in a home one.

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rana.umair.ahmad said:

can u just tell me the mechanism for this,

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BeeBop said:

Usually this is done with a high voltage generator where the - output is sent to a needle.

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