Vince Pitelka on fri 14 dec 07
Nils Lou designed some liquified-propane kiln burners many years ago, and
they may still be available. I saw some in action at the old Overland
Stoneware Studio in McKinleyville, CA around 1975. The folks there had
made the mistake of installing their car kiln in the same space where the=
y
worked, and those liquefied propane burners sounded like rocket engines.=20
They had to leave the building when the kiln was firing.
As I understand it, when running liquified-propane burners, the propane
tank pickup-tube draws propane off the bottom of the tank in liquid form.=
=20
The liquified propane enters the burner through a tube that coils around
the burner tip, vaporizing the liquid and creating a great deal of
pressure right at the orifice. I guess they are pretty efficient, but I
am wondering if the noise is necessarily inherent in this kind of burner.
- Vince
Vince Pitelka
Appalachian Center for Craft
Tennessee Tech University
vpitelka@dtccom.net; wpitelka@tntech.edu
http://iweb.tntech.edu/wpitelka
James and Sherron Bowen on fri 14 dec 07
"..the propane tank pickup-tube draws propane off the bottom of the tank in
liquid form,.."
Does this mean the tank needs to have a wetleg?
JB
----- Original Message -----
From: "Vince Pitelka"
To:
Sent: Friday, December 14, 2007 8:30 PM
Subject: Re: Burners for Propane
James and Sherron Bowen on sat 15 dec 07
Yes Vince. Wet leg="..internal tube that extends from the valve down to the
bottom of the tank."
I thought the tool smart guy would know that.
JB
from http://yarchive.net/car/rv/propane_refill.html
"It's called either "liquid withdrawal" or "wet leg". There is no pump
involved. On any standard large propane tank, there is a liquid withdrawal
valve that is located outside the dome. If you look at your tank, you'll
see
two fittings, one on each end, that are outside the dome. One fitting is
the safety relief valve. It normally has a plastic rain shield insert. If
you remove that insert, you'll see a wide open orifice with no threads of
any sort on the outlet. On the other end will be a smaller but similar
looking fitting. it normally has a dust cap also. Under the cap is a
threaded fitting and a valve that works somewhat like the shraeder valve on
your tire. This is the
liquid withdrawal line. Inside the tank is an excess flow valve and a dip
tube that goes to the bottom of the tank. This line is designed primarily
so that the propane company can pump the tank dry before moving it. It also
works great as a portable tank filling port.
What you need to make this work is a mating special fitting for the liquid
withdrawal port, a valve, some liquid propane rated rubber hose (heavy,
expensive), a WOG rated ball valve (gas cock) and a male POL fitting,
preferably one with the O-ring that doesn't require a wrench.
To use, simply hook the line to the POL fitting, open all the valves, open
the 10% valve on your tank and let it fill.'
----- Original Message -----
From: "Vince Pitelka"
To:
Sent: Saturday, December 15, 2007 8:01 PM
Subject: Re: Burners for Propane
I wrote:
"..the propane tank pickup-tube draws propane off the bottom of the tank
in liquid form,.."
Jim Bowen wrote:
"Does this mean the tank needs to have a wetleg?"
Jim -
Hey, we're not talking about incontinence.
Seriously, what's a "wetleg?" The tank does need to have an internal tube
that extends from the valve down to the bottom of the tank, so that the
pressure of vaporizing propane at the top of the tank forces the liquified
propane up the tube and out the line.
- Vince
--
Vince Pitelka
Appalachian Center for Craft
Tennessee Technological University
vpitelka@dtccom.net
http://iweb.tntech.edu/wpitelka/
______________________________________________________________________________
Clayart members may send postings to: clayart@lsv.ceramics.org
You may look at the archives for the list, post messages, or change your
subscription settings here: http://www.acers.org/cic/clayart/
Moderator of the list is Mel Jacobson who may be reached at
melpots2@visi.com
Neil on sat 15 dec 07
Thanks Vince
Someone else has told me the same thing and they have reverted to using them
as a vapour burner.
----- Original Message -----
From: "Vince Pitelka"
To:
Sent: Friday, December 14, 2007 10:30 PM
Subject: Re: Burners for Propane
Nils Lou designed some liquified-propane kiln burners many years ago, and
they may still be available. I saw some in action at the old Overland
Stoneware Studio in McKinleyville, CA around 1975. The folks there had
made the mistake of installing their car kiln in the same space where they
worked, and those liquefied propane burners sounded like rocket engines.
They had to leave the building when the kiln was firing.
As I understand it, when running liquified-propane burners, the propane
tank pickup-tube draws propane off the bottom of the tank in liquid form.
The liquified propane enters the burner through a tube that coils around
the burner tip, vaporizing the liquid and creating a great deal of
pressure right at the orifice. I guess they are pretty efficient, but I
am wondering if the noise is necessarily inherent in this kind of burner.
- Vince
Vince Pitelka
Appalachian Center for Craft
Tennessee Tech University
vpitelka@dtccom.net; wpitelka@tntech.edu
http://iweb.tntech.edu/wpitelka
______________________________________________________________________________
Clayart members may send postings to: clayart@lsv.ceramics.org
You may look at the archives for the list, post messages, or change your
subscription settings here: http://www.acers.org/cic/clayart/
Moderator of the list is Mel Jacobson who may be reached at
melpots2@visi.com
Vince Pitelka on sat 15 dec 07
I wrote:
"..the propane tank pickup-tube draws propane off the bottom of the tank
in liquid form,.."
Jim Bowen wrote:
"Does this mean the tank needs to have a wetleg?"
Jim -
Hey, we're not talking about incontinence.
Seriously, what's a "wetleg?" The tank does need to have an internal tub=
e
that extends from the valve down to the bottom of the tank, so that the
pressure of vaporizing propane at the top of the tank forces the liquifie=
d
propane up the tube and out the line.
- Vince
--=20
Vince Pitelka
Appalachian Center for Craft
Tennessee Technological University
vpitelka@dtccom.net
http://iweb.tntech.edu/wpitelka/
Vince Pitelka on sun 16 dec 07
Jim Bowen wrote:
" Yes Vince. Wet leg=3D"..internal tube that extends from the valve down =
to
the bottom of the tank." I thought the tool smart guy would know that.
Jim -
Apparently you expect me to be like Batman on the old Batman and Robin TV
show, which was so wonderfully tongue-in-cheek. One time the young Robin
gasped in wonder "Gosh Batman, is there ANYTHING you don't know?" Batman
was pensive for a moment, and then said "Yes, as a matter of fact, severa=
l
things."
So apparently "wetleg" was one of the things that I don't know. I
apologize for this transgression on my part, and I thank you for repairin=
g
such a deplorable situation by providing one more piece of information
that I didn't know.
- Vince
--=20
Vince Pitelka
Appalachian Center for Craft
Tennessee Technological University
vpitelka@dtccom.net
http://iweb.tntech.edu/wpitelka/
James and Sherron Bowen on sun 16 dec 07
"I thank you for repairing such a deplorable situation."
Anytime Vince. Just whistle. You know how to whistle don't you?
JB
----- Original Message -----
From: "Vince Pitelka"
To:
Sent: Sunday, December 16, 2007 1:47 PM
Subject: Re: Burners for Propane
Jim Bowen wrote:
" Yes Vince. Wet leg="..internal tube that extends from the valve down to
the bottom of the tank." I thought the tool smart guy would know that.
Jim -
Apparently you expect me to be like Batman on the old Batman and Robin TV
show, which was so wonderfully tongue-in-cheek. One time the young Robin
gasped in wonder "Gosh Batman, is there ANYTHING you don't know?" Batman
was pensive for a moment, and then said "Yes, as a matter of fact, several
things."
So apparently "wetleg" was one of the things that I don't know. I
apologize for this transgression on my part, and I thank you for repairing
such a deplorable situation by providing one more piece of information
that I didn't know.
- Vince
--
Vince Pitelka
Appalachian Center for Craft
Tennessee Technological University
vpitelka@dtccom.net
http://iweb.tntech.edu/wpitelka/
______________________________________________________________________________
Clayart members may send postings to: clayart@lsv.ceramics.org
You may look at the archives for the list, post messages, or change your
subscription settings here: http://www.acers.org/cic/clayart/
Moderator of the list is Mel Jacobson who may be reached at
melpots2@visi.com
Vince Pitelka on mon 17 dec 07
I wrote:
"I thank you for repairing such a deplorable situation."
Jim Bowen wrote:
"Anytime Vince. Just whistle. You know how to whistle don't you?"
Jim -
I'm a fair whistler, but I'd sure like a lesson from Lauren Bacall.
- Vince
--=20
Vince Pitelka
Appalachian Center for Craft
Tennessee Technological University
vpitelka@dtccom.net
http://iweb.tntech.edu/wpitelka/
James and Sherron Bowen on mon 17 dec 07
You could always make a whistle from clay I bet.
JB
----- Original Message -----
From: "Vince Pitelka"
To:
Sent: Monday, December 17, 2007 12:37 PM
Subject: Re: Burners for Propane
I wrote:
"I thank you for repairing such a deplorable situation."
Jim Bowen wrote:
"Anytime Vince. Just whistle. You know how to whistle don't you?"
Jim -
I'm a fair whistler, but I'd sure like a lesson from Lauren Bacall.
- Vince
--
Vince Pitelka
Appalachian Center for Craft
Tennessee Technological University
vpitelka@dtccom.net
http://iweb.tntech.edu/wpitelka/
______________________________________________________________________________
Clayart members may send postings to: clayart@lsv.ceramics.org
You may look at the archives for the list, post messages, or change your
subscription settings here: http://www.acers.org/cic/clayart/
Moderator of the list is Mel Jacobson who may be reached at
melpots2@visi.com
Taylor Hendrix on mon 17 dec 07
You two get a room. Hehe
Taylor, in Rockport TX
On 12/17/07, James and Sherron Bowen wrote:
> You could always make a whistle from clay I bet.
> JB
Vince Pitelka on mon 17 dec 07
Jim Bowen wrote:
"You could always make a whistle from clay I bet."
Jim -
I make great clay whistles, including large multi-lobe units that sound
like steam locomotive whistles, but I'd still much rather have a whistlin=
g
lesson from Lauren Bacall. For those who don't know what the hell we're
talking about, you need to see "To Have and Have Not," with Humphry Bogar=
t
and Lauren Bacall. It's my favorite Bogart movie.
- Vince
--=20
Vince Pitelka
Appalachian Center for Craft
Tennessee Technological University
vpitelka@dtccom.net
http://iweb.tntech.edu/wpitelka/
| |
|
