jonathan byler on fri 10 feb 06
Hi,
I am looking for information about forced air burner design. I am not
an engineer, and not looking for mathematical explanations of
thermodynamics. I am, however a relatively good tinkerer, and
understand most of the safety issues regarding gas fueled appliances.
So far I have managed to discover most of the information needed about
safety devices such as thermocouple shut offs, and electric shutoffs
(in the event of blower failure), by looking at and repairing burners
that we currently have.
I am most interested in how the venturi size is determined in forced
air setups. it would seem, because air is being forced in, that
venturi size is much less sensitive than for a naturaly aspirated
burner, but i still see forced air burners designed for natural gas or
propane gas. I would think it wouldn't matter so much as you could
just adjust air volume/blower speed until it burned clean.
does anyone know of any good books or websites out there? I would just
buy a new set of burners for our new kiln, but I could build them for a
very small fraction of the price, and the research is interesting for
me.
many thanks,
jon
jon byler
3-D Building Technician
Art Department
Auburn University
Auburn, AL 36849
(334) 844-5279
Frank Colson on fri 10 feb 06
Jon- You are so right. The basic function of a make it yourself forced air
burner will give you equal results as a commercial manufactured burner at a
fraction of the cost!
I have practiced this approach for yrs and have always had success. It
isn't knowing how, as it is understanding air/fuel ratios, in the
utilization and manipulation of controlling the proper combustion level. It
is so simple that it is rarely recognized when done properly.
Mainly, what you "hear" is more the fact than what one see's ,or calculates
with such a burner.
I offer you 2 different eManuals which illustrate forced air burner systems
to great effect and cost next to nothing to make! One, ROCKY RAKU, uses
forced air to bring heat chamber temps up supersonic fast. The other,
FREDDIE M., is a small furnace which depends on a hand made forced air
system to bring bronze ingot to a liquid in a very short time.
Frank Colson
www.R2D2u.com
I have
----- Original Message -----
From: "jonathan byler"
To:
Sent: Friday, February 10, 2006 12:13 PM
Subject: forced air burner design
> Hi,
>
> I am looking for information about forced air burner design. I am not
> an engineer, and not looking for mathematical explanations of
> thermodynamics. I am, however a relatively good tinkerer, and
> understand most of the safety issues regarding gas fueled appliances.
>
> So far I have managed to discover most of the information needed about
> safety devices such as thermocouple shut offs, and electric shutoffs
> (in the event of blower failure), by looking at and repairing burners
> that we currently have.
>
> I am most interested in how the venturi size is determined in forced
> air setups. it would seem, because air is being forced in, that
> venturi size is much less sensitive than for a naturaly aspirated
> burner, but i still see forced air burners designed for natural gas or
> propane gas. I would think it wouldn't matter so much as you could
> just adjust air volume/blower speed until it burned clean.
>
> does anyone know of any good books or websites out there? I would just
> buy a new set of burners for our new kiln, but I could build them for a
> very small fraction of the price, and the research is interesting for
> me.
>
> many thanks,
>
> jon
>
>
>
> jon byler
> 3-D Building Technician
> Art Department
> Auburn University
> Auburn, AL 36849
>
> (334) 844-5279
>
>
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