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Autoclaved fly ash solid brick

A technology for fly ash and solid bricks, which is applied to the field of autoclaved fly ash solid bricks and their preparation, can solve the problems of insufficient storage time to supply market demand, failure to meet basic construction bricks, and reduction of national land resources, etc. The effect of good frost resistance, resource saving and easy storage

Inactive Publication Date: 2016-06-15
HUBEI DONGYUANKUN NEW BUILDING MATERIAL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The existing solid bricks are mainly made of soil, limestone, and cement. Although they have compressive strength, they reduce the land resources of the country and cannot be recycled. The long storage time cannot meet the market demand and the foundation construction bricks

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] The preparation method of autoclaved fly ash solid brick, it comprises the steps:

[0016] 1) Selection of raw materials: 2100 kg of sand, 2450 kg of rock salt, 525 kg of fly ash, and 525 kg of cement; the moisture content of the sand is 5-20% (quality);

[0017] 2) Sand, limestone, fly ash and cement are mixed and stirred by a forced mixer, conveyed, pressed, stacked and autoclaved (between 270-300 ° C, the pressure is maintained at 12 kg), discharged from the kettle, and divided into bricks to obtain Autoclaved fly ash solid bricks (off-line, storage).

[0018] The performance parameters of compression resistance, frost resistance, seepage resistance and crack resistance of the autoclaved fly ash solid brick obtained in this embodiment meet the national implementation standard (GB11945-1999).

Embodiment 2

[0020] The preparation method of autoclaved fly ash solid brick, it comprises the steps:

[0021] 1) According to the mass percentages of each raw material: 370 kilograms of sand, 430 kilograms of petite, 100 kilograms of fly ash, and 100 kilograms of cement, choose sand, petrine, fly ash and cement for subsequent use; the moisture content of the sand is 5-20% (mass);

[0022] 2) Sand, limestone, fly ash and cement are mixed and stirred by a forced mixer, conveyed, pressed, stacked and autoclaved (between 270-300 ° C, the pressure is maintained at 12 kg), discharged from the kettle, and divided into bricks to obtain Autoclaved fly ash solid bricks (off-line, storage).

[0023] The performance parameters of compression resistance, frost resistance, seepage resistance and crack resistance of the autoclaved fly ash solid brick obtained in this embodiment meet the national implementation standard (GB11945-1999).

Embodiment 3

[0025] The preparation method of autoclaved fly ash solid brick, it comprises the steps:

[0026] 1) according to the mass percentage that each raw material occupies is: 380 kilograms of sand, 440 kilograms of petite, 90 kilograms of fly ash, 90 kilograms of cement, choose sand, petrine, fly ash and cement, standby; Described sand moisture content is 5-20% (mass);

[0027] 2) Sand, limestone, fly ash and cement are mixed and stirred by a forced mixer, conveyed, pressed, stacked and autoclaved (between 270-300 ° C, the pressure is maintained at 12 kg), discharged from the kettle, and divided into bricks to obtain Autoclaved fly ash solid bricks (off-line, storage).

[0028] The performance parameters of compression resistance, frost resistance, seepage resistance and crack resistance of the autoclaved fly ash solid brick obtained in this embodiment meet the national implementation standard (GB11945-1999).

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Abstract

The invention relates to a solid brick. An autoclaved fly ash solid brick is characterized by being prepared from the raw materials by the mass percentage: 37.0%-38% of sand, 43.0%-44% of stone chips, 9.0%-10% of fly ash, and 9.0%-10% of cement, wherein the water content of the sand is 5-20% (by mass). The autoclaved fly ash solid brick can realize waste utilization, and has the characteristics of compression resistance, freezing resistance, permeability resistance, cracking resistance, immediate use and convenient storage.

Description

technical field [0001] The invention relates to a solid brick and a preparation method thereof, in particular to an autoclaved fly ash solid brick and a preparation method thereof. Background technique [0002] The existing solid bricks are mainly made of soil, limestone, and cement. Although they have compressive strength, they reduce the land resources of the country and cannot be recycled. The long storage time cannot meet the market demand and the foundation Bricks for construction. Contents of the invention [0003] The object of the present invention is to provide an autoclaved fly ash solid brick and its preparation method, which can be reused and has the characteristics of compression resistance, frost resistance, seepage resistance, crack resistance, immediate use and convenient storage. [0004] In order to achieve the above object, the technical solution adopted in the present invention is: autoclaved fly ash solid brick, which is characterized in that: it is p...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/04C04B14/04C04B14/06C04B18/08
CPCC04B28/04C04B18/08C04B14/06C04B14/04Y02W30/91
Inventor 谢剑
Owner HUBEI DONGYUANKUN NEW BUILDING MATERIAL CO LTD
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