4 research outputs found
Experience of Application Semicokes Lignite as Barrier Materials in the Production of Primary Aluminium Cells
Π¨Π²Ρ ΡΡΠ°Π΄ΠΈΡΠΈΠΎΠ½Π½ΡΡ
ΡΠ΅ΠΏΠ»ΠΎΠΈΠ·ΠΎΠ»ΡΡΠΈΠΎΠ½Π½ΡΡ
ΠΈ ΠΎΠ³Π½Π΅ΡΠΏΠΎΡΠ½ΡΡ
ΠΌΠ°ΡΠ΅ΡΠΈΠ°Π»ΠΎΠ² ΡΠ½ΠΈΠΆΠ°ΡΡ Π³Π°Π·ΠΎΠΏΠ»ΠΎΡΠ½ΠΎΡΡΡ
ΠΊΠ»Π°Π΄ΠΊΠΈ ΠΈ ΡΠ²Π»ΡΡΡΡΡ ΠΌΠ΅ΡΡΠΎΠΌ ΠΏΡΠΎΠ½ΠΈΠΊΠ½ΠΎΠ²Π΅Π½ΠΈΡ Π³Π°Π·ΠΎΠΎΠ±ΡΠ°Π·Π½ΡΡ
ΠΈ ΠΆΠΈΠ΄ΠΊΠΈΡ
ΠΊΠΎΠΌΠΏΠΎΠ½Π΅Π½ΡΠΎΠ² Π²
ΡΠ΅ΠΏΠ»ΠΎΠΈΠ·ΠΎΠ»ΡΡΠΈΠΎΠ½Π½ΡΡ ΡΠ°ΡΡΡ ΡΠ»Π΅ΠΊΡΡΠΎΠ»ΠΈΠ·Π΅ΡΠΎΠ². ΠΡΠΎ ΠΏΡΠΈΠ²ΠΎΠ΄ΠΈΡ ΠΊ ΡΠΎΡΡΡ ΡΠ΅ΠΏΠ»ΠΎΠ²ΡΡ
ΠΏΠΎΡΠ΅ΡΡ ΠΈ
ΡΠΎΠΊΡΠ°ΡΠ΅Π½ΠΈΡ ΡΡΠΎΠΊΠ° ΡΠ»ΡΠΆΠ±Ρ ΡΠ»Π΅ΠΊΡΡΠΎΠ»ΠΈΠ·Π΅ΡΠΎΠ². ΠΠ΅ΡΠΎΡΠΌΠΎΠ²Π°Π½Π½ΡΠ΅ ΠΌΠ°ΡΠ΅ΡΠΈΠ°Π»Ρ, Π½Π°Ρ
ΠΎΠ΄ΡΡΠΈΠ΅ΡΡ
Π² Π΄ΠΈΡΠΏΠ΅ΡΡΠ½ΠΎΠΌ ΡΠΎΡΡΠΎΡΠ½ΠΈΠΈ, Π² Π·Π½Π°ΡΠΈΡΠ΅Π»ΡΠ½ΠΎΠΉ ΠΌΠ΅ΡΠ΅ Π»ΠΈΡΠ΅Π½Ρ ΡΠ°ΠΊΠΈΡ
Π½Π΅Π΄ΠΎΡΡΠ°ΡΠΊΠΎΠ². ΠΡΡΠΎΠΊΠ°Ρ
ΠΏΡΠΎΠΈΠ·Π²ΠΎΠ΄ΠΈΡΠ΅Π»ΡΠ½ΠΎΡΡΡ ΠΏΡΠΈ ΠΈΡ
ΠΈΠ·Π³ΠΎΡΠΎΠ²Π»Π΅Π½ΠΈΠΈ ΠΈ ΠΏΡΠΈΠΌΠ΅Π½Π΅Π½ΠΈΠΈ ΡΠ»ΡΠΆΠΈΡ ΠΏΡΠΈΡΠΈΠ½ΠΎΠΉ ΡΠ°ΡΡΠΈΡΠ΅Π½ΠΈΡ
ΠΌΠ°ΡΡΡΠ°Π±ΠΎΠ² ΠΈΡ
ΠΏΡΠΈΠΌΠ΅Π½Π΅Π½ΠΈΡ. ΠΠ΄Π½Π°ΠΊΠΎ Π½Π΅ΠΎΠ±Ρ
ΠΎΠ΄ΠΈΠΌΠΎΡΡΡ ΡΡΠ°ΡΠ΅Π»ΡΠ½ΠΎΠ³ΠΎ ΠΏΠΎΠ΄Π±ΠΎΡΠ° ΡΠ°ΡΠΏΡΠ΅Π΄Π΅Π»Π΅Π½ΠΈΡ
ΡΠ°ΡΡΠΈΡ ΠΏΠΎ ΡΠ°Π·ΠΌΠ΅ΡΠ°ΠΌ ΠΈ ΡΠΈΠ»ΡΠ½ΠΎΠ³ΠΎ ΡΠΏΠ»ΠΎΡΠ½Π΅Π½ΠΈΡ ΡΡΡ
ΠΈΡ
Π±Π°ΡΡΠ΅ΡΠ½ΡΡ
ΡΠΌΠ΅ΡΠ΅ΠΉ, Π²ΠΎΠ·ΠΌΠΎΠΆΠ½ΠΎΡΡΡ ΠΈΡ
ΡΠ°ΡΡΡΠ°ΠΊΡΠΈΠΎΠ½ΠΈΡΠΎΠ²Π°Π½ΠΈΡ ΠΏΡΠΈ ΠΈΡ
ΠΈΠ½ΡΡΠ°Π»Π»ΡΡΠΈΠΈ ΡΠ²Π΅Π»ΠΈΡΠΈΠ²Π°ΡΡ ΠΈΡ
ΡΡΠΎΠΈΠΌΠΎΡΡΡ ΠΈ ΠΎΠ³ΡΠ°Π½ΠΈΡΠΈΠ²Π°ΡΡ
ΠΏΡΠΈΠΌΠ΅Π½Π΅Π½ΠΈΠ΅. Π ΡΠ°Π±ΠΎΡΠ΅ ΠΏΡΠ΅Π΄ΡΡΠ°Π²Π»Π΅Π½Ρ ΡΠ΅Π·ΡΠ»ΡΡΠ°ΡΡ Π»Π°Π±ΠΎΡΠ°ΡΠΎΡΠ½ΡΡ
, ΡΠ΅ΠΎΡΠ΅ΡΠΈΡΠ΅ΡΠΊΠΈΡ
ΠΈ
ΠΏΡΠΎΠΌΡΡΠ»Π΅Π½Π½ΡΡ
ΠΈΡΠΏΡΡΠ°Π½ΠΈΠΉ Π½ΠΎΠ²ΠΎΠ³ΠΎ Π½Π΅ΡΠΎΡΠΌΠΎΠ²Π°Π½Π½ΠΎΠ³ΠΎ ΠΌΠ°ΡΠ΅ΡΠΈΠ°Π»Π° Ρ ΠΈΡΠΏΠΎΠ»ΡΠ·ΠΎΠ²Π°Π½ΠΈΠ΅ΠΌ ΠΏΡΠΎΠ΄ΡΠΊΡΠ°
ΠΏΠΈΡΠΎΠ»ΠΈΠ·Π° ΠΊΠ°Π½ΡΠΊΠΎ-Π°ΡΠΈΠ½ΡΠΊΠΈΡ
ΡΠ³Π»Π΅ΠΉ, ΠΊΠΎΡΠΎΡΡΠΉ ΠΈΠΌΠ΅Π΅Ρ ΠΏΡΠ΅ΠΈΠΌΡΡΠ΅ΡΡΠ²Π° ΠΏΠΎ ΠΎΡΠ½ΠΎΡΠ΅Π½ΠΈΡ ΠΊ ΡΡΠ°Π΄ΠΈΡΠΈΠΎΠ½Π½ΡΠΌ
ΠΌΠ°ΡΠ΅ΡΠΈΠ°Π»Π°ΠΌ β Ρ
ΠΎΡΠΎΡΠΈΠ΅ ΡΠΈΠ·ΠΈΡΠ΅ΡΠΊΠΈΠ΅ ΠΈ ΡΠ°Π±ΠΎΡΠΈΠ΅ ΡΠ²ΠΎΠΉΡΡΠ²Π° ΠΈ Π½Π΅Π²ΡΡΠΎΠΊΡΡ ΡΡΠΎΠΈΠΌΠΎΡΡΡSeams of traditional insulating and refractory materials, reduce gas-density of a laying and are
places of receipt of aggressive liquid and gaseous components in heat-insulating part of cells
cathodes. It causes growth of thermal losses and reduces cells service life. Unshaped material
materials which are in a disperse state are considerably deprived of such shortcomings. High
efficiency at their production and application caused expansion of scales of their application.
However need of careful selection of particle size distribution and strong consolidation of dry
barrier mixes, possibility of their division according to fractions in the course of installation
increases their cost and imposes certain restrictions on their use. In work results of laboratory,
theoretical and industrial researches new unshaped materials with use of products of pyrolysis
of coals of the Kansk and Achinsk pool which advantage in relation to the traditional unshaped
materials is good physical and working properties and low cost are presente
Experience of Application Semicokes Lignite as Barrier Materials in the Production of Primary Aluminium Cells
Π¨Π²Ρ ΡΡΠ°Π΄ΠΈΡΠΈΠΎΠ½Π½ΡΡ
ΡΠ΅ΠΏΠ»ΠΎΠΈΠ·ΠΎΠ»ΡΡΠΈΠΎΠ½Π½ΡΡ
ΠΈ ΠΎΠ³Π½Π΅ΡΠΏΠΎΡΠ½ΡΡ
ΠΌΠ°ΡΠ΅ΡΠΈΠ°Π»ΠΎΠ² ΡΠ½ΠΈΠΆΠ°ΡΡ Π³Π°Π·ΠΎΠΏΠ»ΠΎΡΠ½ΠΎΡΡΡ
ΠΊΠ»Π°Π΄ΠΊΠΈ ΠΈ ΡΠ²Π»ΡΡΡΡΡ ΠΌΠ΅ΡΡΠΎΠΌ ΠΏΡΠΎΠ½ΠΈΠΊΠ½ΠΎΠ²Π΅Π½ΠΈΡ Π³Π°Π·ΠΎΠΎΠ±ΡΠ°Π·Π½ΡΡ
ΠΈ ΠΆΠΈΠ΄ΠΊΠΈΡ
ΠΊΠΎΠΌΠΏΠΎΠ½Π΅Π½ΡΠΎΠ² Π²
ΡΠ΅ΠΏΠ»ΠΎΠΈΠ·ΠΎΠ»ΡΡΠΈΠΎΠ½Π½ΡΡ ΡΠ°ΡΡΡ ΡΠ»Π΅ΠΊΡΡΠΎΠ»ΠΈΠ·Π΅ΡΠΎΠ². ΠΡΠΎ ΠΏΡΠΈΠ²ΠΎΠ΄ΠΈΡ ΠΊ ΡΠΎΡΡΡ ΡΠ΅ΠΏΠ»ΠΎΠ²ΡΡ
ΠΏΠΎΡΠ΅ΡΡ ΠΈ
ΡΠΎΠΊΡΠ°ΡΠ΅Π½ΠΈΡ ΡΡΠΎΠΊΠ° ΡΠ»ΡΠΆΠ±Ρ ΡΠ»Π΅ΠΊΡΡΠΎΠ»ΠΈΠ·Π΅ΡΠΎΠ². ΠΠ΅ΡΠΎΡΠΌΠΎΠ²Π°Π½Π½ΡΠ΅ ΠΌΠ°ΡΠ΅ΡΠΈΠ°Π»Ρ, Π½Π°Ρ
ΠΎΠ΄ΡΡΠΈΠ΅ΡΡ
Π² Π΄ΠΈΡΠΏΠ΅ΡΡΠ½ΠΎΠΌ ΡΠΎΡΡΠΎΡΠ½ΠΈΠΈ, Π² Π·Π½Π°ΡΠΈΡΠ΅Π»ΡΠ½ΠΎΠΉ ΠΌΠ΅ΡΠ΅ Π»ΠΈΡΠ΅Π½Ρ ΡΠ°ΠΊΠΈΡ
Π½Π΅Π΄ΠΎΡΡΠ°ΡΠΊΠΎΠ². ΠΡΡΠΎΠΊΠ°Ρ
ΠΏΡΠΎΠΈΠ·Π²ΠΎΠ΄ΠΈΡΠ΅Π»ΡΠ½ΠΎΡΡΡ ΠΏΡΠΈ ΠΈΡ
ΠΈΠ·Π³ΠΎΡΠΎΠ²Π»Π΅Π½ΠΈΠΈ ΠΈ ΠΏΡΠΈΠΌΠ΅Π½Π΅Π½ΠΈΠΈ ΡΠ»ΡΠΆΠΈΡ ΠΏΡΠΈΡΠΈΠ½ΠΎΠΉ ΡΠ°ΡΡΠΈΡΠ΅Π½ΠΈΡ
ΠΌΠ°ΡΡΡΠ°Π±ΠΎΠ² ΠΈΡ
ΠΏΡΠΈΠΌΠ΅Π½Π΅Π½ΠΈΡ. ΠΠ΄Π½Π°ΠΊΠΎ Π½Π΅ΠΎΠ±Ρ
ΠΎΠ΄ΠΈΠΌΠΎΡΡΡ ΡΡΠ°ΡΠ΅Π»ΡΠ½ΠΎΠ³ΠΎ ΠΏΠΎΠ΄Π±ΠΎΡΠ° ΡΠ°ΡΠΏΡΠ΅Π΄Π΅Π»Π΅Π½ΠΈΡ
ΡΠ°ΡΡΠΈΡ ΠΏΠΎ ΡΠ°Π·ΠΌΠ΅ΡΠ°ΠΌ ΠΈ ΡΠΈΠ»ΡΠ½ΠΎΠ³ΠΎ ΡΠΏΠ»ΠΎΡΠ½Π΅Π½ΠΈΡ ΡΡΡ
ΠΈΡ
Π±Π°ΡΡΠ΅ΡΠ½ΡΡ
ΡΠΌΠ΅ΡΠ΅ΠΉ, Π²ΠΎΠ·ΠΌΠΎΠΆΠ½ΠΎΡΡΡ ΠΈΡ
ΡΠ°ΡΡΡΠ°ΠΊΡΠΈΠΎΠ½ΠΈΡΠΎΠ²Π°Π½ΠΈΡ ΠΏΡΠΈ ΠΈΡ
ΠΈΠ½ΡΡΠ°Π»Π»ΡΡΠΈΠΈ ΡΠ²Π΅Π»ΠΈΡΠΈΠ²Π°ΡΡ ΠΈΡ
ΡΡΠΎΠΈΠΌΠΎΡΡΡ ΠΈ ΠΎΠ³ΡΠ°Π½ΠΈΡΠΈΠ²Π°ΡΡ
ΠΏΡΠΈΠΌΠ΅Π½Π΅Π½ΠΈΠ΅. Π ΡΠ°Π±ΠΎΡΠ΅ ΠΏΡΠ΅Π΄ΡΡΠ°Π²Π»Π΅Π½Ρ ΡΠ΅Π·ΡΠ»ΡΡΠ°ΡΡ Π»Π°Π±ΠΎΡΠ°ΡΠΎΡΠ½ΡΡ
, ΡΠ΅ΠΎΡΠ΅ΡΠΈΡΠ΅ΡΠΊΠΈΡ
ΠΈ
ΠΏΡΠΎΠΌΡΡΠ»Π΅Π½Π½ΡΡ
ΠΈΡΠΏΡΡΠ°Π½ΠΈΠΉ Π½ΠΎΠ²ΠΎΠ³ΠΎ Π½Π΅ΡΠΎΡΠΌΠΎΠ²Π°Π½Π½ΠΎΠ³ΠΎ ΠΌΠ°ΡΠ΅ΡΠΈΠ°Π»Π° Ρ ΠΈΡΠΏΠΎΠ»ΡΠ·ΠΎΠ²Π°Π½ΠΈΠ΅ΠΌ ΠΏΡΠΎΠ΄ΡΠΊΡΠ°
ΠΏΠΈΡΠΎΠ»ΠΈΠ·Π° ΠΊΠ°Π½ΡΠΊΠΎ-Π°ΡΠΈΠ½ΡΠΊΠΈΡ
ΡΠ³Π»Π΅ΠΉ, ΠΊΠΎΡΠΎΡΡΠΉ ΠΈΠΌΠ΅Π΅Ρ ΠΏΡΠ΅ΠΈΠΌΡΡΠ΅ΡΡΠ²Π° ΠΏΠΎ ΠΎΡΠ½ΠΎΡΠ΅Π½ΠΈΡ ΠΊ ΡΡΠ°Π΄ΠΈΡΠΈΠΎΠ½Π½ΡΠΌ
ΠΌΠ°ΡΠ΅ΡΠΈΠ°Π»Π°ΠΌ β Ρ
ΠΎΡΠΎΡΠΈΠ΅ ΡΠΈΠ·ΠΈΡΠ΅ΡΠΊΠΈΠ΅ ΠΈ ΡΠ°Π±ΠΎΡΠΈΠ΅ ΡΠ²ΠΎΠΉΡΡΠ²Π° ΠΈ Π½Π΅Π²ΡΡΠΎΠΊΡΡ ΡΡΠΎΠΈΠΌΠΎΡΡΡSeams of traditional insulating and refractory materials, reduce gas-density of a laying and are
places of receipt of aggressive liquid and gaseous components in heat-insulating part of cells
cathodes. It causes growth of thermal losses and reduces cells service life. Unshaped material
materials which are in a disperse state are considerably deprived of such shortcomings. High
efficiency at their production and application caused expansion of scales of their application.
However need of careful selection of particle size distribution and strong consolidation of dry
barrier mixes, possibility of their division according to fractions in the course of installation
increases their cost and imposes certain restrictions on their use. In work results of laboratory,
theoretical and industrial researches new unshaped materials with use of products of pyrolysis
of coals of the Kansk and Achinsk pool which advantage in relation to the traditional unshaped
materials is good physical and working properties and low cost are presente
Study of the State and Dynamics of Wear of The Side Lining in the Cathodes of Aluminium Cells
For increasing the service life of the side lining of the reduction cell (operating at 300kA), processes leading to the destruction of SiC blocks (from different manufactures) have been studied. Based on autopsies, X-ray spectrum and phase analyses, it has been found out that gaps and scales between SiC blocks and the shell of the cell are formed during cell operation. The mentioned defects affect the process of heat transfer and the service life of the cell. The wear rate of side blocks (from different manufacturers) has been identified. It is shown that, due to the design of the attachment of SiC block to the shell, thermal deformations of the shell (under which SiC blocks are bent) lead to the damage of SiC blocks at the upper level of the bath.ΠΠ»Ρ ΠΏΠΎΠ²ΡΡΠ΅Π½ΠΈΡ ΡΡΠΎΠΊΠ° ΡΠ»ΡΠΆΠ±Ρ Π±ΠΎΡΡΠΎΠ²ΠΎΠΉ ΡΡΡΠ΅ΡΠΎΠ²ΠΊΠΈ ΡΠ»Π΅ΠΊΡΡΠΎΠ»ΠΈΠ·Π΅ΡΠΎΠ² ΠΏΡΠΎΠΈΠ·Π²ΠΎΠ΄ΡΡΠ²Π° ΠΏΠ΅ΡΠ²ΠΈΡΠ½ΠΎΠ³ΠΎ Π°Π»ΡΠΌΠΈΠ½ΠΈΡ, ΡΠ°Π±ΠΎΡΠ°ΡΡΠΈΡ
Π½Π° ΡΠΈΠ»Π΅ ΡΠΎΠΊΠ° 300 ΠΊΠ, ΠΏΡΠΎΠ²Π΅Π΄Π΅Π½ΠΎ ΠΈΡΡΠ»Π΅Π΄ΠΎΠ²Π°Π½ΠΈΠ΅ ΠΏΡΠΎΡΠ΅ΡΡΠΎΠ² ΡΠ°Π·ΡΡΡΠ΅Π½ΠΈΡ SiC-Π±Π»ΠΎΠΊΠΎΠ² ΡΠ°Π·Π»ΠΈΡΠ½ΡΡ
ΠΏΡΠΎΠΈΠ·Π²ΠΎΠ΄ΠΈΡΠ΅Π»Π΅ΠΉ. ΠΠ° ΠΎΡΠ½ΠΎΠ²Π΅ ΡΠ΅Π·ΡΠ»ΡΡΠ°ΡΠΎΠ² ΡΡΡ
ΠΈΡ
Π²ΡΠ±ΠΎΠ΅ΠΊ ΡΠ»Π΅ΠΊΡΡΠΎΠ»ΠΈΠ·Π΅ΡΠΎΠ², ΡΠ΅Π½ΡΠ³Π΅Π½ΠΎΡΠΏΠ΅ΠΊΡΡΠ°Π»ΡΠ½ΠΎΠ³ΠΎ ΠΈ ΡΠ°Π·ΠΎΠ²ΠΎΠ³ΠΎ Π°Π½Π°Π»ΠΈΠ·Π° Π²ΡΡΠ²Π»Π΅Π½ΠΎ, ΡΡΠΎ Π² ΠΏΡΠΎΡΠ΅ΡΡΠ΅ ΡΠ°Π±ΠΎΡΡ ΠΌΠ΅ΠΆΠ΄Ρ SiC-Π±Π»ΠΎΠΊΠ°ΠΌΠΈ ΠΈ ΠΊΠΎΠΆΡΡ
Π°ΠΌΠΈ ΡΠ»Π΅ΠΊΡΡΠΎΠ»ΠΈΠ·Π΅ΡΠΎΠ² ΠΎΠ±ΡΠ°Π·ΡΡΡΡΡ Π΄Π΅ΡΠ΅ΠΊΡΡ Π² Π²ΠΈΠ΄Π΅ Π·Π°Π·ΠΎΡΠΎΠ² ΠΈ ΡΠ»ΠΎΠ΅Π² ΠΎΠΊΠ°Π»ΠΈΠ½Ρ, ΠΊΠΎΡΠΎΡΡΠ΅ ΠΏΡΠ΅ΠΏΡΡΡΡΠ²ΡΡΡ ΡΠ΅ΠΏΠ»ΠΎΠΏΠ΅ΡΠ΅Π΄Π°ΡΠ΅ ΠΈ ΡΠΎΠΊΡΠ°ΡΠ°ΡΡ ΡΡΠΎΠΊ ΡΠ»ΡΠΆΠ±Ρ ΡΠ»Π΅ΠΊΡΡΠΎΠ»ΠΈΠ·Π΅ΡΠΎΠ². ΠΡΠΎΠ²Π΅Π΄Π΅Π½Π° ΠΎΡΠ΅Π½ΠΊΠ° Π΄ΠΈΠ½Π°ΠΌΠΈΠΊΠΈ ΠΌΠ°ΠΊΡΠΈΠΌΠ°Π»ΡΠ½ΠΎΠ³ΠΎ ΠΈΠ·Π½ΠΎΡΠ° Π±ΠΎΡΡΠΎΠ²ΡΡ
Π±Π»ΠΎΠΊΠΎΠ² ΡΠ°Π·Π»ΠΈΡΠ½ΡΡ
ΠΏΡΠΎΠΈΠ·Π²ΠΎΠ΄ΠΈΡΠ΅Π»Π΅ΠΉ. ΠΠΎΠΊΠ°Π·Π°Π½ΠΎ, ΡΡΠΎ ΠΈΠ·-Π·Π° ΠΊΠΎΠ½ΡΡΡΡΠΊΡΠΈΠ²Π½ΠΎΠ³ΠΎ Π·Π°ΡΠ΅ΠΌΠ»Π΅Π½ΠΈΡ ΡΠ»Π°Π½ΡΠ΅Π²ΡΠΌ Π»ΠΈΡΡΠΎΠΌ ΡΠ΅ΠΌΠΏΠ΅ΡΠ°ΡΡΡΠ½ΡΠ΅ Π΄Π΅ΡΠΎΡΠΌΠ°ΡΠΈΠΈ ΠΊΠΎΠΆΡΡ
Π° Π²ΡΠ·ΡΠ²Π°ΡΡ ΠΈΠ·Π³ΠΈΠ± ΠΊΠ°ΡΠ±ΠΈΠ΄ΠΎΠΊΡΠ΅ΠΌΠ½ΠΈΠ΅Π²ΡΡ
Π±Π»ΠΎΠΊΠΎΠ² ΠΈ ΠΈΡ
ΠΏΠΎΠ²ΡΠ΅ΠΆΠ΄Π΅Π½ΠΈΠ΅ Π½Π° ΡΡΠΎΠ²Π½Π΅ ΡΠ°ΡΠΏΠΎΠ»ΠΎΠΆΠ΅Π½ΠΈΡ Π·Π΅ΡΠΊΠ°Π»Π° ΡΠ°ΡΠΏΠ»Π°Π²Π° ΡΠ»Π΅ΠΊΡΡΠΎΠ»ΠΈΡΠ°
Study of the State and Dynamics of Wear of The Side Lining in the Cathodes of Aluminium Cells
For increasing the service life of the side lining of the reduction cell (operating at 300kA), processes leading to the destruction of SiC blocks (from different manufactures) have been studied. Based on autopsies, X-ray spectrum and phase analyses, it has been found out that gaps and scales between SiC blocks and the shell of the cell are formed during cell operation. The mentioned defects affect the process of heat transfer and the service life of the cell. The wear rate of side blocks (from different manufacturers) has been identified. It is shown that, due to the design of the attachment of SiC block to the shell, thermal deformations of the shell (under which SiC blocks are bent) lead to the damage of SiC blocks at the upper level of the bath.ΠΠ»Ρ ΠΏΠΎΠ²ΡΡΠ΅Π½ΠΈΡ ΡΡΠΎΠΊΠ° ΡΠ»ΡΠΆΠ±Ρ Π±ΠΎΡΡΠΎΠ²ΠΎΠΉ ΡΡΡΠ΅ΡΠΎΠ²ΠΊΠΈ ΡΠ»Π΅ΠΊΡΡΠΎΠ»ΠΈΠ·Π΅ΡΠΎΠ² ΠΏΡΠΎΠΈΠ·Π²ΠΎΠ΄ΡΡΠ²Π° ΠΏΠ΅ΡΠ²ΠΈΡΠ½ΠΎΠ³ΠΎ Π°Π»ΡΠΌΠΈΠ½ΠΈΡ, ΡΠ°Π±ΠΎΡΠ°ΡΡΠΈΡ
Π½Π° ΡΠΈΠ»Π΅ ΡΠΎΠΊΠ° 300 ΠΊΠ, ΠΏΡΠΎΠ²Π΅Π΄Π΅Π½ΠΎ ΠΈΡΡΠ»Π΅Π΄ΠΎΠ²Π°Π½ΠΈΠ΅ ΠΏΡΠΎΡΠ΅ΡΡΠΎΠ² ΡΠ°Π·ΡΡΡΠ΅Π½ΠΈΡ SiC-Π±Π»ΠΎΠΊΠΎΠ² ΡΠ°Π·Π»ΠΈΡΠ½ΡΡ
ΠΏΡΠΎΠΈΠ·Π²ΠΎΠ΄ΠΈΡΠ΅Π»Π΅ΠΉ. ΠΠ° ΠΎΡΠ½ΠΎΠ²Π΅ ΡΠ΅Π·ΡΠ»ΡΡΠ°ΡΠΎΠ² ΡΡΡ
ΠΈΡ
Π²ΡΠ±ΠΎΠ΅ΠΊ ΡΠ»Π΅ΠΊΡΡΠΎΠ»ΠΈΠ·Π΅ΡΠΎΠ², ΡΠ΅Π½ΡΠ³Π΅Π½ΠΎΡΠΏΠ΅ΠΊΡΡΠ°Π»ΡΠ½ΠΎΠ³ΠΎ ΠΈ ΡΠ°Π·ΠΎΠ²ΠΎΠ³ΠΎ Π°Π½Π°Π»ΠΈΠ·Π° Π²ΡΡΠ²Π»Π΅Π½ΠΎ, ΡΡΠΎ Π² ΠΏΡΠΎΡΠ΅ΡΡΠ΅ ΡΠ°Π±ΠΎΡΡ ΠΌΠ΅ΠΆΠ΄Ρ SiC-Π±Π»ΠΎΠΊΠ°ΠΌΠΈ ΠΈ ΠΊΠΎΠΆΡΡ
Π°ΠΌΠΈ ΡΠ»Π΅ΠΊΡΡΠΎΠ»ΠΈΠ·Π΅ΡΠΎΠ² ΠΎΠ±ΡΠ°Π·ΡΡΡΡΡ Π΄Π΅ΡΠ΅ΠΊΡΡ Π² Π²ΠΈΠ΄Π΅ Π·Π°Π·ΠΎΡΠΎΠ² ΠΈ ΡΠ»ΠΎΠ΅Π² ΠΎΠΊΠ°Π»ΠΈΠ½Ρ, ΠΊΠΎΡΠΎΡΡΠ΅ ΠΏΡΠ΅ΠΏΡΡΡΡΠ²ΡΡΡ ΡΠ΅ΠΏΠ»ΠΎΠΏΠ΅ΡΠ΅Π΄Π°ΡΠ΅ ΠΈ ΡΠΎΠΊΡΠ°ΡΠ°ΡΡ ΡΡΠΎΠΊ ΡΠ»ΡΠΆΠ±Ρ ΡΠ»Π΅ΠΊΡΡΠΎΠ»ΠΈΠ·Π΅ΡΠΎΠ². ΠΡΠΎΠ²Π΅Π΄Π΅Π½Π° ΠΎΡΠ΅Π½ΠΊΠ° Π΄ΠΈΠ½Π°ΠΌΠΈΠΊΠΈ ΠΌΠ°ΠΊΡΠΈΠΌΠ°Π»ΡΠ½ΠΎΠ³ΠΎ ΠΈΠ·Π½ΠΎΡΠ° Π±ΠΎΡΡΠΎΠ²ΡΡ
Π±Π»ΠΎΠΊΠΎΠ² ΡΠ°Π·Π»ΠΈΡΠ½ΡΡ
ΠΏΡΠΎΠΈΠ·Π²ΠΎΠ΄ΠΈΡΠ΅Π»Π΅ΠΉ. ΠΠΎΠΊΠ°Π·Π°Π½ΠΎ, ΡΡΠΎ ΠΈΠ·-Π·Π° ΠΊΠΎΠ½ΡΡΡΡΠΊΡΠΈΠ²Π½ΠΎΠ³ΠΎ Π·Π°ΡΠ΅ΠΌΠ»Π΅Π½ΠΈΡ ΡΠ»Π°Π½ΡΠ΅Π²ΡΠΌ Π»ΠΈΡΡΠΎΠΌ ΡΠ΅ΠΌΠΏΠ΅ΡΠ°ΡΡΡΠ½ΡΠ΅ Π΄Π΅ΡΠΎΡΠΌΠ°ΡΠΈΠΈ ΠΊΠΎΠΆΡΡ
Π° Π²ΡΠ·ΡΠ²Π°ΡΡ ΠΈΠ·Π³ΠΈΠ± ΠΊΠ°ΡΠ±ΠΈΠ΄ΠΎΠΊΡΠ΅ΠΌΠ½ΠΈΠ΅Π²ΡΡ
Π±Π»ΠΎΠΊΠΎΠ² ΠΈ ΠΈΡ
ΠΏΠΎΠ²ΡΠ΅ΠΆΠ΄Π΅Π½ΠΈΠ΅ Π½Π° ΡΡΠΎΠ²Π½Π΅ ΡΠ°ΡΠΏΠΎΠ»ΠΎΠΆΠ΅Π½ΠΈΡ Π·Π΅ΡΠΊΠ°Π»Π° ΡΠ°ΡΠΏΠ»Π°Π²Π° ΡΠ»Π΅ΠΊΡΡΠΎΠ»ΠΈΡΠ°