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Old 03-14-2012, 07:08 AM
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Default kiln conversion?

I just got a old Blue Diamond ceramic kiln and I am wondering if anyone has done a kiln to pizza oven conversion ? I was thinking of a barrel vault design anyway and then came across this. It is 29" inside dia. Im thinking I can use the half barrel shape placed on a base. Does it make sense to do additional layer of fire brick for more heat holding power ? The fire brick the kiln is made with is very light weight compared to the fire brick I removed from a old backyard BBQ. Will the heavier brick hold temps better ?
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Old 03-14-2012, 07:50 AM
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Default Re: kiln conversion?

Kilns and ovens do not serve the same function. The insulating firebrick do not have enough mass to serve as an oven, although you may be able to reuse a few as a thermal break to build an oven.
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Old 03-16-2012, 04:43 PM
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Default Re: kiln conversion?

Tom, that's not entirely true.

Dumbo NYC, Brooklyn Archive Wild Rise Pizza Opens in Dumbo (DumboNYC.com)

Indyoven, it's probably pretty feasible to convert a regular into an upside down raku kiln. If you've got the kiln, this is probably the route I'd take.
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Old 03-16-2012, 05:46 PM
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Default Re: kiln conversion?

That is a pretty limited and specialized use. I have a 1400 degree heat gun I could cook pizza with if I wanted to, but that doesn't make it a pizza oven.
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Old 03-16-2012, 07:25 PM
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Default Re: kiln conversion?

Tom, they happen to be using it for Neapolitan pizza, but you could just as easily use it for NY as well. Between those two applications, I hardly see it as 'specialized.' The output might be a bit of a question mark, but, since they're using it in restaurant setting, it can't be that horrible.

And, as advanced as your pizzamaking skills are, I'm sorry, but you can't make those pizzas with a heat gun.
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Old 03-16-2012, 08:24 PM
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Default Re: kiln conversion?

Sure I can, I have.
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Old 03-16-2012, 08:40 PM
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Default Re: kiln conversion?

Here is the thing with using a kiln to cook pizzas. It will certainly do it, it gets hot enough. What it can not do is do so efficiently, anymore than my flamethrower can.
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Old 03-16-2012, 09:49 PM
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Default Re: kiln conversion?

Quote:
Originally Posted by Tscarborough View Post
Sure I can, I have.
You can make a Neapolitan pizza with only a heat gun?

Pictures, or it didn't happen
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Old 03-16-2012, 09:53 PM
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Default Re: kiln conversion?

Quote:
Originally Posted by Tscarborough View Post
Here is the thing with using a kiln to cook pizzas. It will certainly do it, it gets hot enough. What it can not do is do so efficiently, anymore than my flamethrower can.
A kiln is a fully insulated enclosed box with a heating element inside. If anything, the extra insulation on a kiln would make it more efficient than a home oven, not less.

And, compared to a WFO? You've got no heat going up a chimney here, so that, in itself, makes for much better efficiency.
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Old 03-17-2012, 05:22 AM
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Default Re: kiln conversion?

No, the difference between a kiln and an oven is that the insulation is the refractory in the kiln and hence has no mass to hold and conduct the heat. To use a kiln as an oven you have to continue to input heat.
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