CONSTRUCTION OF BLAST FURNACE WALL

CONSTRUCTION OF BLAST FURNACE WALL

PURPOSE:To stabilize a lining construction by interposing fire resistant and contractable mortar of a carbon bond between adjacent blocks of refractory bricks thereby effectively absorbing the circumferential expansion and to maintaining the joint function for a long period of time. CONSTITUTION:The...

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Hauptverfasser: AOYAMA KAZUTERU, HAMAI KAZUO, AYUBA ZENSAKU, KASAI KATSUTERU
Format: Patent
Sprache:eng
Schlagworte:
CHEMISTRY
MANUFACTURE OF IRON OR STEEL
METALLURGY
METALLURGY OF IRON
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creator AOYAMA KAZUTERU
HAMAI KAZUO
AYUBA ZENSAKU
KASAI KATSUTERU
description PURPOSE:To stabilize a lining construction by interposing fire resistant and contractable mortar of a carbon bond between adjacent blocks of refractory bricks thereby effectively absorbing the circumferential expansion and to maintaining the joint function for a long period of time. CONSTITUTION:The refractory brick layers (a), (b), (c) consisting of the refractory brick 3, 4, 5 are disposed via stamp layers to the furnace inside of a shell 1 in the shaft part of a blast furnace. The lining layers are divided to several blocks and the expandable absorption mortar 6 is interposed between the blocks B1 and B2. The mortar 6 is fire resistant oxide of the carbon bond such as Al2O3-C and SiO2-C having excellent heat resistance and alkali resistance and good contractability or fire resistant non-oxide of the carbon bond such as SiC-C. The mortar 6 which has 2-30kg/cm pressurizing stress and 10-70% contractability and has 1.0-10mm thickness to maintain the adhesive bending strength to the refractory bricks after the contraction at >=5kg/cm is more preferable.
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subjects CHEMISTRY
MANUFACTURE OF IRON OR STEEL
METALLURGY
METALLURGY OF IRON
title CONSTRUCTION OF BLAST FURNACE WALL
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