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Bailey
360 Down-Draft Kilns... A Triumph of Logic and Innovative Thinking.
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360 Convection
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Bailey Gas Kilns are the by-product of
logic and innovative thinking. Our unique down-draft design represents
years of careful research. Every aspect of fuel efficiency, firing
consistency and durability has been incorporated into each kiln. We can
say quite confidently that there is no other kiln design that can provide
such an unparalleled performance.
Uniform Heat
Distribution
The Bailey down-draft gives a unique 360 degree heat flow pattern. This
flow pattern maximizes the absorption of the heat energy and dramatically
reduces firing costs. You get uniform heat top to bottom, front to back,
and side to side. Unlike venturi style downdraft kilns with burners coming
through the floor, our forced air downdraft kilns offer ingenious internal
adjustments to fine tune the path of the heat flow. By adjusting the
placement and size of the target brick, we can optimize firing results for
traditional pottery forms or sculpture. Just watch those cone packs drop
evenly!
Uniform Atmospheres
The 360 degree heat travel also gives excellent control of the atmosphere.
Whether you fire oxidation or reduction, atmosphere control is extremely
simple. We take the mystery out of firing and make it easy to get
perfectly consistent firing results. You can look forward to beautiful
glazes in every part of your kiln.
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Advantages of Forced Draft
Burners over Venturi Burners
Bailey forced draft burners are mounted up off the floor for convenient
easy access. Most venturi burner designs require the operator to crawl on
the floor to adjust the burners. Because the Bailey has only two burner
ports, there is no heat loss or re-oxidation problems which is typically
the case with multiple burner venturi kilns where the burner ports can not
be sealed. Venturi kilns are ultra sensitive to the general atmosphere and
prone to wide variations in reduction results. Besides the damper, there
is no flexible control for internal circulation on a venturi kiln. Heat
gets trapped in the top. Debris can fall into the burner ports on the
floor and obstruct the flame entry. To view the burners you have to crawl
on the floor.
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Forced Draft Burners and
Safety Equipment
(Standard on all models up to the Pro 40)
Forced draft
burners are recognized throughout the ceramic industry as the most
efficient means of firing a kiln. Air and gas are mixed
thoroughly providing complete combustion of the fuel, and reduced firing
costs. The ”forced draft” provides constant pressure which
distributes the heat evenly throughout the entire kiln chamber. You’ll
appreciate the cones bending together top to bottom! Each kiln comes
equipped with a variable speed control and adjustable air shutters on the
blower intake. The variable speed control is used to set the blower
rotation in a general range proportionate to supply sufficient air for a particular
model. The intake flap is used to fine tune the air intake. Each of the
two burners comes equipped with a water column pressure gauge, 100% flame
safety gas valve (AGA approved component), and a pilot burner.
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Air Gauge Manifold System (optional)
The optional air gauge manifold is
the latest feature in providing precise control of air flow into the main
burner. Air gauges give analog (needle indicator) readouts showing air
pressure. Instead of approximations, it is possible to make accurate
correlations between gas pressure and air pressure, thus creating a base
line for precision firing results. The manifold includes one air gauge and
an air control valve for each burner. A switch is used to read left or
right to allow the operator to perfectly balance the air.
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Gas Kiln
Safety Shut Off Systems
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The High Limit #1 Shut Off
System (optional)
This unit offers added back-up
shut-off safety in the event that something prevents the operator from
turning the kiln off at the peak temperature. If a gas kiln is allowed to
“run away,” it has the potential of building up temperature that could
cause damage to the kiln, the load, and a potential fire hazard. The High
Limit consists of an adjustable electronic controller (to set a shut-off
temperature), which is connected to a gas solenoid. Once the temperature
“set point” on the controller is reached, the supply of gas is
terminated, and the kiln is switched off. Electrical interruptions will
cause the system to shut down the kiln as well. 120 volt. Standard outlet
required. This unit is highly recommended for schools, or other
installations where a kiln is going to be installed in a building.
M-404-090 High Limit #1 Shut Off
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High Limit #3 Safety Flame
Systems (optional)
This system includes a High Limit Controller, Soak Control Function,
Ultra Violet Safety System, Fire Eye Controls, Thermo-couple, Solenoids,
and Automatic Ignition System.
The U.V. Scanners will shut down the kiln
within several seconds if there is a flame-out. The soak control will hold
the kiln at a given temperature for as long as you require. The ignition
system will automatically light the burner manifold with the flick of a
switch. if the burner goes out, it will relight the burner automatically.
If re-ignition is not possible, then the entire system will shut down.
Required for kilns over 40 cu. ft. stackable space, elective on all
smaller models. Recommended for School situations.
M-404-005 Digital UV High Limit System
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Pyrometers and Oxygen
Probes (optional)
Bailey can take care of all your temperature readout needs. If you require
accurate atmosphere control, add an oxygen probe to your kiln. Customers
firing copper red glazes swear by them. It is imperative to have an
reliable digital pyrometer on any gas kiln. A digital pyrometer will give
you immediate status about heat rise (or decline) which will allow you to
make accurate adjustments to your damper, gas flow and air mix.
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