I used a commercial refractory and the "Bring up Schedule" was 36 hours. This is one place where an electric furnace shines. It was easy to set a temperature and not all that hard to set a rate of temperature rise. No fancy controller. Just used a watch and thermocouple.
Rick
On May 2, 2011, at 7:28 PM, Chris Bailey <cbailey73160@gmail.com> wrote:
> Stick a couple of briquettes of charcoal in there, light 'em up and let it
> cure some more. The key here is to get the temperature high enough to
> evaporate the water but NOT high enough to produce steam. Steam expands and
> can cause blowouts in your refractory.
>
> Once you get rid of all the water that you can, then slowly add more heat
> until you're SURE all the water is out. Once you've done that, you'll want
> to vitrify the lining so that it hardens and is more durable. This last
> step is dependent on your specific refractory. If you have the website and
> or specs for your particular product, there should be final curing
> instructions there.
>
> Chris
>
> On Mon, May 2, 2011 at 9:14 PM, anthony <ima_cute_dork@yahoo.com> wrote:
>
>>
>>
>> ok i've had the light bulb in the furnace for 4 days straight and it was
>> steaming 2 days ago but not its not doing anything...the refractory changed
>> color from a wet tan ish look to a white ish look and its really hard
>> now...whats next? more curing with charcoal?
>>
>>
>>
>
>
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>
>
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