SU1114658A1 - Slip for casting ceramic tiles - Google Patents

Abstract

SLICKER FOR CASTING TILES, including clay component, nepheline concentrate, cullet, fireclay, pyrophosphoric sodium, talc and water, characterized in that, in order to reduce the viscosity of the slip and moisture expansion of the tiles, it additionally contains dolomite in the following ratio of components, wt.%: Clay component 16-18 Nepheline concentrate 30-32 Cullet 0.5-2.5 Chamotte 13.5-20.0 Sodium pyrophosphorus, 04 Talc0.46-0.98 Dolomit4.0-7.0 (L WaterOstal

Description

four

Od

cl

CX The invention relates to the yield of building materials, namely the composition of the mixture of cast ceramic tiles used for internal lining. The known composition of the slip t11 for casting ceramic tiles, comprising the following components, wt.%: Clay component 16 Nepheline concentrate 25 Erklez (cullet) 30 Shamot29 Pyrophosphorous sodium (over 100%) 0.05 Water (over 100%) Rest The disadvantage of this slip is Production of tiles with high water absorption (14-16%). Closest to the invention is a puffer C21 for casting ceramic tiles, comprising the following components, wt%:. Clay component 10–15.5 Nephraline concentrate 21–28 Glass granules t7–11 Shamot21–23 Talc1.43–3.45 Pyrophosphoric sodium 0.05–0.07 WaterOther The disadvantage of the known slurry is high viscosity and increased humidity of tiles. The purpose of the invention is to reduce the viscosity of the slip and the moisture expansion. This goal is achieved in that the slip for casting ceramic tiles, including the clay component, nepheline concentrate, broken glass, fireclay, pyrophosphoric sodium, talc and water, additionally contains dolomite in the following ratio, wt.%: Clay component 16-18 Nepheline concentrate 30 -32 StekloboyO 5-2.5 Shamot13.5-20 Pyrophosphoric sodium 0.02-0.04 Talc0.46-0.98 Dolomit4.0-7.0 Water Others The preparation of the slip is carried out as follows. The grinding of the mixture is carried out in a ball mill in two loads. In the first loading, all emaciated components are crushed and smooth with 5% clay materials. The grinding is carried out to a residue on sieve No. 0063 of 5-6%. At the second load, the remaining clay materials are crushed and the electrolyte, pyrophosphoric sodium, is ground. The final grinding of the slip is carried out to the residue on the sieve (C 0063 6-7%. The casting of the slip is carried out on metal sheets 2 mm thick and 500x500 mm in size. The resulting plates are dried with hot air at a maximum temperature of 130 ° C for 1 hour The firing is carried out in a slot-hole gas kiln with a roller conveyor. The table shows the compositions of shlinkers, their properties and the properties of ceramic tiles cast from them. The economic effect from the introduction of the proposed composition of the slip can be 23 thousand rubles.

11146584

Spreadsheet

Claims (1)

SLIPER FOR CERAMIC TILES CASTING, including a clay component, nepheline concentrate, cullet, chamotte, pyrophosphoric sodium, talc and water, characterized in that, in order to reduce the viscosity of the slip and the moisture expansion of the tiles, it additionally contains dolomite in the following ratio components, wt.%: Clay component 16-18 Nepheline Concentrate Cullet Fireclay Pyrophosphoric Sodium 30-32 0.5-2.5 13.5-20.0 0.02-0.04 Talc Dolomite Water 0.46-0.98 4.0-7.0 Else i