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Figure 3.3 Hard Refractory Lined Furnaces
NOTICE
■ After initial firing of furnace at design temperature,
check fiber shrinkage in vicinity of burner tile. Fill
any voids with bulk fiber insulation to maintain a
gas tight seal between furnace interior and shell.
For Fiber Lined Furnaces:
(See Figure 3.4 and Figure 3.5)
• Be sure the gasket
burner
and be refractory combustor flange
• Install the gasket
combustor flange
• Coat the outside of the refractory combustor
an air setting refractory cement
clearance gap between the furnace shell
and the refractory combustor
• Wrap the exposed refractory combustor
with two layers of continuous strip of blanket
insulation
.
• Compress and secure the blanket insulation
the refractory combustor
metallic tape. Compression of the blanket insulation
should be at least 25%.
• Install the fiber insulation
wrapped refractory combustor
suppliers recommended procedure for anchoring
and compressing the fiber
Eclipse Furnnox Burner, V1, Installation Guide 210, 2/14/2011
is installed between the
between the refractory
and the furnace shell
. Also, fill
with cement.
using a suitable, non-
tightly against the
, following the
.
• For applications exceeding 2200 °F (1200 °C) install
a ceramic fiber board shield 11 suitable for the
furnace design temperature as illustrated in Figure
3.5.
• Anchor the shield 11 to the refractory combustor
and the fiber lining
setting refractory cement 12 and ceramic anchoring
devices 13 .
.
.
with
opening
length
to
NOTE: For furnaces that are unable to support the weight
of the refractory block, a stainless steel shelf can be
welded to the shell for support.
Figure 3.4 Fiber Lined Furnaces
10
10
with a high temperature, air
11
12
Figure 3.5
12
11
9
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