RU2306291C1 - Raw mixture - Google Patents

Abstract

FIELD: building material industry, in particular brick production.

SUBSTANCE: claimed raw mixture contains (mass %): lime 5-8; calcite-vollastonite ore 15-20; perlite sand 12-16; alumina cement 6-8; liquid glass 2-4; and balance: quartz sand.

EFFECT: articles with increased strength.

1 tbl

Description

The invention relates to compositions of raw mixtures used in the production of building materials, such as brick.

Known raw material mixture containing lime, a light mineral aggregate, quartz sand / 1 /.

Known raw mix of the following composition, wt.%: Lime 6-8; calcite-wollastonite ore 10-20; quartz sand - the rest / 2 /.

The purpose of the invention is to increase the strength of products obtained from a raw mix.

The goal is achieved by the fact that perlite sand, alumina cement and water glass are additionally introduced into the mixture in the following ratio of components, wt.%: Lime 6-8; calcite-wollastonite ore 15-20; perlite sand 12-16; alumina cement 6-8; liquid glass 2-4; quartz sand - the rest.

The table shows the composition of the raw mix.

Table Components Composition, wt.%: one 2 3 lime 6 7 8 calcite-wollastonite ore twenty eighteen fifteen perlite sand 12 fourteen 16 alumina cement 6 7 8 liquid glass four 3 2 quartz sand rest rest rest

The compressive strength of the brick obtained from the raw mix will be ~ 200 kgf / cm ² for all the compositions listed in the table.

Information sources

1. The patent of Germany No. 3808160, C04B 28/20, 1989.

2. USSR Author's Certificate No. 577189, C04B 15/06, 1977.

Claims (1)

The raw material mixture containing lime, calcite-wollastonite ore, quartz sand, characterized in that it further contains perlite sand, alumina cement, water glass in the following ratio, wt.%: lime 6-8 calcite-wollastonite ore 15-20 perlite sand 12-16 alumina cement 6-8 liquid glass 2-4 quartz sand rest