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Lightweight high-strength press molding block, and production method thereof

A compression molding, lightweight technology, applied in the direction of ceramic molding machines, manufacturing tools, etc., can solve the problems of high cost, poor market competitiveness, complex production process, etc., to achieve low production cost, guaranteed strength, and simple production process Effect

Inactive Publication Date: 2012-02-22
ANHUI KEDA IND CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The performance of aerated concrete blocks produced by using gold tailings meets the quality requirements stipulated in GB11968-2006 "Autoclaved Aerated Concrete Blocks", but the production process is extremely complicated, the cost of products is high, and the market competitiveness is poor.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] The ratio of raw materials of this example is calculated by volume percentage:

[0030] Digestion mixture: 50%;

[0031] Lightweight coarse aggregate: 50%;

[0032] The digestion mixture is formulated according to the following ratio: the mass of slag accounts for 88% of the total mass of the digestion mixture, the mass of quicklime accounts for 12% of the total mass of the digestion mixture, and the prepared mixture is added with molding water accounting for 12% of the total mass of the dry mixture. , Stir evenly and digest for 3h.

[0033] The prepared digestion mixture and shale ceramsite are measured and dosed according to the above ratio, and the measured raw materials are mixed and stirred evenly, and then entered into a fully automatic hydraulic brick press for pressing and forming, and the forming pressure is 8MPa. The formed body is sent to an autoclave for autoclaving and curing, and the saturated steam temperature is controlled at 195°C for 6 hours; after a...

Embodiment 2

[0036] The ratio of raw materials of this example is calculated by volume percentage:

[0037] Digestion mixture: 60%;

[0038] Lightweight coarse aggregate: 40%.

[0039] The digestion mixture is prepared according to the following proportions: the mass of fly ash accounts for 80% of the total mass of the digestion mixture, the mass of cement accounts for 20% of the total mass of the digestion mixture, and the prepared mixture accounts for 12% of the total mass of the dry mixture. Molding water, stir well and stale for 0.5h.

[0040] The prepared digestion mixture and silt ceramsite are measured and dosed according to the above ratio, and the measured raw materials are mixed and stirred evenly, and then entered into a fully automatic hydraulic brick press for pressing and forming, and the forming pressure is 8MPa. The formed body is sent to an autoclave for autoclaving and curing, and the saturated steam temperature is controlled at 195°C for 6 hours; after autoclaving and ...

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PUM

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Abstract

The present invention discloses a lightweight high-strength press molding block and a production method thereof. The block is prepared through carrying out treatments of material preparing, mixing and stirring, pressing formation and autoclave curing for a digested mixed material and a lightweight coarse aggregate, wherein the pile volume content range of the digested mixed material is 50-60%, the pile volume content range of the lightweight coarse aggregate is 40-50%. The digested mixed material is prepared from a fine aggregate material and a cementing material, wherein the fine aggregate material is a mixture comprising one or more than two selected from fly ash, slag, coal slag, coal gangue, shale, and has a particle size less than 3 mm, the cementing material is a mixture comprising one or more than two selected from quick lime, cement and carbide slag. The produced block provided by the present invention has characteristics of small density, high strength, good insulation property, simple production method, waste utilization and environmental protection, and provides significant social and economic benefits.

Description

technical field [0001] The invention relates to a building material and a production method thereof, in particular to a light-weight high-strength compression molded block with industrial solid waste as the main raw material and a production method thereof. Background technique [0002] my country is a big developing country, and it is also a big building country. The area of ​​newly built houses reaches 1.7-1.8 billion square meters every year, which requires a lot of building materials. At the same time, with the vigorous promotion of national energy conservation and emission reduction, wall material innovation and the needs of sustainable development, research and development of new lightweight high-strength wall materials has become an inevitable trend in the development of building materials. The main raw material of lightweight high-strength block products is industrial solid waste. The product has the characteristics of light weight and high strength, good thermal ins...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/00C04B28/08C04B28/10B28B3/00
Inventor 全峰朱钒李剑蔡洪兵许阳万晓丹
Owner ANHUI KEDA IND CO LTD
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