Mixture for producing aggregate

IPC classes for russian patent Mixture for producing aggregate (RU 2508258):

C04B38/06 - by burning-out added substances

C04B33/13 - Compounding ingredients (C04B0033360000, C04B0035710000 take precedence);;

Another patents in same IPC classes:

Mixture for producing aggregate / 2508257

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Mixture for making porous aggregate / 2495840

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Mixture for producing aggregate / 2508257

Mixture for producing aggregate contains, wt %: montmorillonite clay 94.0-97.5, kaolin 2.0-5.0, glycerine 0.5-1.0.

Ceramic mass for manufacturing facing tiles / 2507174

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Ceramic paste for production of facing tiles / 2505509

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Charge for production of porous filler / 2505498

Charge for production of porous filler contains, wt %: montmorillonite clay 64.0-82.0; coal 3.0-6.0, talc 15.0-30.0.

Charge for production of porous filler / 2505497

Charge for production of porous filler / 2505496

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Crude mixture for making facing tile / 2503644

Invention relates to compositions of crude mixtures which can be used in making facing tiles. The crude mixture for making facing tiles contains the following, wt %: red-burning clay 64.0-67.0; water 22.0-26.0; glass fibre cut to 10-15 mm pieces 5.5-7.5; revolving furnace electrostatic filter dust from cement production 3.5-4.5.

Mixture for producing aggregate / 2508257

Mixture for producing aggregate contains, wt %: montmorillonite clay 94.0-97.5, kaolin 2.0-5.0, glycerine 0.5-1.0.

FIELD: chemistry.

SUBSTANCE: mixture for producing aggregate contains, wt %: montmorillonite clay 70.0-90.0, mica 10.0-30.0.

EFFECT: high strength of aggregate made from the mixture.

1 tbl

The invention relates to the production of aggregates for concrete.

Known mixture for the production of filler-containing, wt.%: clay montmorillonite 35,0-38,0; coal 5,0-6,0; dolomite 36,0-50,0 [1].

The objective of the invention is to increase the strength of the aggregate, received from charge.

The technical result is achieved in that the mixture for the production of filler-containing montmorillonite clay, additionally contains mica in the following ratio, wt.%: clay montmorillonite 70,0-90,0; mica 10,0-30,0.

The table below shows the composition of the mixture for the production of a placeholder.

Components	Composition, wt.%
1	2	3
Clay montmorillonite	70,0	80,0	90,0
Mica	30,0	20,0	10,0
Compressive strength, MPa	5-7	5-7	5-7

In the blend for the production of napolnitel the use of montmorillonite clay, including Al-montmorillonite and Fe-montmorillonite (nontronite); natural mica all fields.

Components of the raw material mixture is metered in the required quantities and mix. The resulting mixture is moistened to 18-20% and molded from the pellets of size 20-40 mm, which are dried to a moisture content of not more than 6% and calcined at a temperature of 1000-1100°C.

The source of information

1. SU 1161500, C04B 31/00, 1985.

The mixture for the production of filler-containing clay montmorillonite, characterized in that it further comprises mica in the following ratio, wt.%:

clay montmorillonite	70,0 to 90.0
mica	10,0 - 30,0