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Autoclaved aerated concrete plate and molding process thereof

An autoclaved aerated concrete technology, applied in the field of building materials, can solve the problems of rough surface of autoclaved aerated concrete slabs, affecting the aesthetics of partition boards, etc., and achieve the effects of superior stability, wide usability, and thermal insulation surface.

Inactive Publication Date: 2018-09-28
南京兴陶预制品有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, the above-mentioned autoclaved aerated concrete slab is made of granite waste, and most of the granite waste has a relatively large particle size. The aesthetics of wall panels has limitations in use

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0046] A preparation method of a powder filler, comprising the steps of:

[0047] (1) Ingredients: Weigh 70g of power furnace dust removal, 5g of activated alumina, 20g of cement clinker powder, 10g of fluorspar powder and 0.3g of sodium dipolyphosphate;

[0048] (2) Drying: Dry 70g of power furnace dust removal at a high temperature of 600°C for 1 hour;

[0049] (3) Calcination: Calcining 10g of fluorspar powder in a tubular heating furnace at a temperature of 150°C for 2 hours;

[0050] (4) Mixing: Throw 70g of dried power furnace ash into the mixing mixer, and add 5g of activated alumina, 20g of cement clinker powder, 10g of fluorspar powder and 0.3g of sodium dipolyphosphate in sequence for mixing After stirring for 30min, the material was discharged.

Embodiment 2

[0052] A preparation method of a powder filler, comprising the steps of:

[0053] (1) Ingredients: Weigh 75g of power furnace dust removal, 5g of activated alumina, 23g of cement clinker powder, 10g of fluorspar powder and 0.3g of sodium tripolyphosphate;

[0054] (2) Drying: Dry 75g of power furnace dust removal at a high temperature of 600°C for 1 hour;

[0055] (3) Calcination: Calcining 10g of fluorspar powder in a tubular heating furnace at a temperature of 150°C for 2 hours;

[0056] (4) Mixing: Throw 75g of the dried power furnace ash into the mixing mixer, and add 5g of activated alumina, 23g of cement clinker powder, 10g of fluorspar powder and 0.3g of sodium tripolyphosphate in sequence for mixing After stirring for 30min, the material was discharged.

Embodiment 3

[0058] A preparation method of a powder filler, comprising the steps of:

[0059] (1) Ingredients: Weigh 80g of power furnace dust removal, 5g of activated alumina, 25g of cement clinker powder, 12g of fluorspar powder and 0.4g of sodium dipolyphosphate;

[0060] (2) Drying: Dry 80g of power furnace dust removal at a high temperature of 600°C for 1 hour;

[0061] (3) Calcination: Calcining 12g of fluorspar powder in a tubular heating furnace at a temperature of 150°C for 2 hours;

[0062] (4) Mixing: Throw 80g of dried power furnace dust into the mixing mixer, and add 5g of activated alumina, 25g of cement clinker powder, 12g of fluorspar powder and 0.4g of sodium dipolyphosphate in sequence for mixing After stirring for 30min, the material was discharged.

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PUM

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Abstract

The invention discloses an autoclaved aerated concrete plate and a molding process thereof which are applied to the field of building materials and are used for solving the technical problem of use limitation caused by rough surface of a high-strength granite concrete plate in the prior art. The technical scheme has the key points that the autoclaved aerated concrete plate comprises the followingcomponents in parts by weight: 100-110 parts of cement, 125-140 parts of quick lime, 600-610 parts of coal ash, 6-10 parts of aerated aluminum paste, 200-230 parts of expanded perlites and 30-40 partsof powder filler. The expanded perlites and the powder filler are added into the cement, the quick lime, the coal ash and the aerated aluminum paste, and self-gaps of the expanded perlites and gaps between the adjacent expanded perlites can be filled with the powder filler, so that the autoclaved aerated concrete plate which is uniform in texture and smooth in surface can be favorably prepared, and the use range of the plate is remarkably widened.

Description

technical field [0001] The invention relates to building materials, in particular to an autoclaved aerated concrete plate and its forming process. Background technique [0002] Autoclaved aerated concrete slab is a new type of lightweight porous new green environmental protection building material, which is made of cement, lime, silica sand, etc. , steel structure and other industrial and civil buildings, it has the advantages of light weight, high strength, high thermal insulation, good sound insulation, convenient construction, long-lasting fire resistance, and small freeze-thaw loss. Replacing traditional aerated concrete blocks and cement slag hollow walls with autoclaved aerated concrete slabs, in addition to greatly reducing engineering time, improving engineering installation quality, and reducing construction costs, it can also protect the environment, save energy, and improve wall quality. Surface quality, increase architectural aesthetics, improve indoor environme...

Claims

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Application Information

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IPC IPC(8): C04B28/02C04B38/02C04B40/02C04B22/16C04B111/40
CPCC04B28/02C04B38/02C04B40/0042C04B40/0245C04B2111/00017C04B2111/40C04B2201/20C04B2201/32C04B2201/50C04B22/064C04B18/08C04B22/04C04B14/185C04B18/10C04B22/06C04B14/02C04B22/16C04B7/00
Inventor 尹晓海
Owner 南京兴陶预制品有限责任公司
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