DESCRIPTION
FIBROUS HEAT-INSULATING BLOCK
AND METHOD FOR LINING HEATED FURNACE-SURFACE USING SAME
TECHNICAL FIELD
0001
The present invention relates to a fibrous heatinsulating
block used in a fireproof heat-insulating
lining applied to surfaces heated during operation of
various fireproof furnaces including heating furnaces,
soaking furnaces, heat treat furnaces, which are used in
pig-iron making, steel making and rolling steps in steel
plants, for example, surfaces of furnace walls, furnace
lids covers, ceilings and skid-posts (hereinafter also
referred to as "heated furnace-surfaces"), and a lining
method for the heated furnace-surface using the fibrous
heat-insulating block and a fibrous heat-insulating block
packing material.
BACKGROUND ART
0002
In recent years, for energy saving and heat
' insulation, fibrous heat-insulating materials, such as
25 ceramic fibers, have been used for lining of furnace
walls in various kiln equipment, such as heating furnaces
and the like. The fibrous heat-insulating material has
low thermal conductivity, is light-weight and has a small
bulk specific gravity, and thus is excellent in thermal
inertia, which advantageously enables a decrease in
cooling and heating time in the furnace. For this
reason, the fibrous heat-insulating material is used as a
main lining material in a region where it is not in
contact with a scale or melted metal in the heating
furnace and the like.
0003
Describing ceramic fiber (CF) as a typical fibrous

CLAIMS
1. A fibrous heat-insulating block used for lining
a heated furnace-surface, the fibrous heat-insulating
block comprising:
5 a unit block formed by stacking layers of
fibrous heat-insulating blanket under pressure, the unit
block being used as a unit for lining application;
a packing material including pressed
surface contact parts each covering at least a part of
10 each of pressed surfaces as side surfaces of the unit
block in a blanket stacking direction, and heated surface
protection parts each being connected to the heated
surface contact part and covering at least a part of a
heated surface of the fibrous heat-insulating block
15 heated in the state where a furnace is lined therewith,
wherein a boundary between the pressed surface contact
part and the heated surface protection part covers a
corner formed by the pressed surface and the heated
surface of the unit block; and
20 a binding band keeping the shape of the
unit block via the packing materials,
wherein the heated surface protection part
of the packing material can be moved by removing the
binding band and arranged on the same plane as the
25 pressed surface contact part, and the heated surface
protection part of the packing material is provided with
a handhold part.
2. The fibrous heat-insulating block according to
claim 1, wherein the packing material is constituted of a
30 pair of packing members arranged on the side surfaces of
the unit block in the blanket stacking direction, the
packing member being constituted of the pressed surface
contact part, the heated surface protection part
connected thereto, and the boundary.
35 3. The fibrous heat-insulating block according to
claim 2, wherein the packing member is bendable at the
boundary.