Acid

[Edd]

Got a call from a sparks that was sent to quote for a PIR on a comercial building. Standard 3 phase setup, but they have a room where they use nitric acid for etching printing plates.
Now I play with this stuff as a hobby, and I keep it in glass bottles, but the fumes eat into everything. In this case the room has Galv conduit feeding sockets that have rusted,(conduit as well) and a vapour proof fluorescent fitting that has perished by the fumes. The PIR will fail on other stuff that Ive got no Problems quoteing to fix, but what can I recomend to be fitted in this area! they have only a window as venterlation.
My first guess is to improve venterlation, but they still need light and power in the area..
Thanks
Ed

 

[needasparks]

Would have thought it would be some kind of filtered extraction as i dont think you would want those fumes going through a live piece of electrical equipment or being sent out in the air if it is that corrosive.
Is this from storage or usage that the fumes are coming from as surely they are stored sealed if they follow coshh.

 

[Knobhead]

It would be best treated like a battery room with forced ventilation. It’s better to force air in as clean air is passing by the fan, rather than contaminated air.

 

[Engineer54]

Plus with a forced air system, any contaminated air is greatly diluted so to speak before being extracted...
Like battery rooms, the ventilation system needs to be run continuously where a permanent storage volume is present...

 

[Edd]

Thanks guys, I thought some form of better venterlation would be needed but then thought of all that acid fumes passing by a fan would damage it. but with the forced air idea thats somthing i never even thought about. thx

 

[Knobhead]

Worked well for the analytical lab’s at work and my home darkroom. (It even meant I could filter the air forced in, not needed for your application. Essential in a darkroom).