IPC classes for russian patent Ceramic mixture for making brick. RU patent 2485073. (RU 2485073):
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Ceramic mixture for making brick / 2485073
Invention relates to the technology of silicates and compositions of ceramic mixtures for making brick. The ceramic mixture for making brick contains high-melting clay, quartzite, calcined soda, sodium oleate, liquid sodium glass and sawdust, with the following ratio of components, wt %: high-melting clay - 72.25-79.15; quartzite - 20.0-26.0; calcined soda -0.02-0.03; sodium oleate - 0.5-1.0; liquid sodium glass - 0.02-0.03; sawdust - 0.3-0.7. |
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FIELD: chemistry.
SUBSTANCE: invention relates to the technology of silicates and compositions of ceramic mixtures for making brick. The ceramic mixture for making brick contains high-melting clay, quartzite, calcined soda, sodium oleate, liquid sodium glass and sawdust, with the following ratio of components, wt %: high-melting clay - 72.25-79.15; quartzite - 20.0-26.0; calcined soda -0.02-0.03; sodium oleate - 0.5-1.0; liquid sodium glass - 0.02-0.03; sawdust - 0.3-0.7.
EFFECT: high frost resistance of products.
1 tbl
The invention relates to the field of technology of silicates and relates to compositions of ceramic masses for manufacturing of bricks.
Known ceramic mass with the following composition,% Mas.: clay refractory 20,0-30,0; quartzite 70,0-80,0 [1].
The objective of the invention is to increase frost resistance of brick produced from the ceramic body.
The technical result is achieved by the ceramic material for the production of bricks containing refractory clay, quartz, additionally contains soda ash, sodium oleate, liquid sodium glass and sawdust with the following component ratio, mass%: clay refractory 72,25-79,15; quartzite 20,0-26,0; soda ash 0,02-0,03; sodium oleate 0,5-1,0; liquid sodium glass of 0.02-0.03; sawdust 0,3-0,7.
The table shows the composition of the ceramic material for the production of bricks. Table
Components
Composition,% Mas.: 1 2 3
Refractory clay 79,15 75,75 72,25
Quartzite 20,0 23,0 26,0 Soda ash 0,02 0,025 0,03
Sodium oleate 0,5 0,7 1,0
Liquid sodium glass 0,03 0,025 0,02
Wood sawdust 0,3 0,5 0,7
Frost resistance, cycles 130-150 130-150 130-150
In the composition of the ceramic material can be used quality clay refractory any deposits.
Components are measured in the required amount. Quartzites grind (specific surface 3000-3500 cm 2 /g), mix with clay refractory, add soda ash, sodium oleate, liquid sodium glass and sifted through a sieve №5 sawdust. A lot of moisturize to 18-23 %. Brick molded plastic way, dried it up to a humidity not more than 6% and then fired at a temperature of 1100-1250°C. Possibly causing refractory glaze on the surface of brick (stretcher and jab to his firing.
Ceramic mass of well-moulded plastic way.
Sources of information
1. SU 1542932, 04 33/00, 1990.
Ceramic material for the production of bricks containing refractory clay, quartz, characterized in that it additionally contains soda ash, sodium oleate, liquid sodium glass and wood chips in the following ratio , wt.%: clay refractory - 72,25-79,15; quartzite - 20,0-26,0; soda ash - 0,02-0,03; sodium oleate - 0,5-1,0; liquid sodium glass - 0,02-0,03; sawdust - 0,3-0,7.
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