Powder Coating Oven

That looks great.

I have one question and forgive me as I'm not that familiar with the process. Could you add a low speed circulation fan to help distribute the heat?
 
Hi! Thank's for the feedback. Yes i have been thinking about that. Seen some examples where they used a shaft trough the top of the oven, and some other very sofisticated circulation systems. I'am not sure wich way to go there. Suggestions are very welcome :) One other thing to add, might be some kind of shields at the elements to avoid frying the powder when using the full length of the oven...?....


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Seems like you would need some way to pull the air and move it around real slow. Almost like going through some type of defuser to keep it from blowing on the power coated items. possibly put the fan under the bottom, where it could pull the air down then blow it across the heating elements and up the sides. using some kind of low CFM steal fan.
 
Thank's for your reply! One idea i've had is to add a pipe running on the outside from top to bottom with an inline low rpm fan.


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Thanks for the post. I just finished making a small powder coat booth and have been researching plans for an oven (using a pizza oven now). Got some good ideas from your post.

I'm pretty sure I will add a circulating fan of some kind. I've seen several different ideas on that.
 
Hi Peter,

Nice job.
What wattage are your elements?
Do you have the ability to switch some out, or do you always run all of them?

Thanks,
-brino
 
The only problem with running it on the outside would be loss of heat, thus increase in electric use and cost. Maybe run it down the back corner would not have to be real big. Just something to help circulate.
 
The small elements is about 500W each. (They are actually bbq "lighters"). The largest one in the bottom around 1 kW. All run by one SSR.


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my oven is an old electric stove oven i fastened to a wheeled frame. left a hole in the upper back so the air will sort of circulate drift out. the only problem is the door that opens in the front typically, pulls down and becomes an obstacle making it difficult to load on the hangers that are in the roof. . . i totally re-insulated it and it works fine.
 
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