Aerated lightweight sintered shale brick and production method

A production method and technology of shale bricks, which are applied in the field of aerated light-weight sintered shale bricks and production, can solve the problems of high density of concrete blocks, poor sound insulation and heat insulation performance, and poor seismic performance, so as to achieve beautiful sintered products and light weight The effect of small density and excellent performance

Inactive Publication Date: 2015-10-07
GUANGXI UNIVERSITY OF TECHNOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the existing partition wall materials such as concrete blocks have the characteristics of high density, heavy weight, poor sound insulation and thermal insulation performance, and poor seismic performance.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] (1) Grind shale powder and coal gangue to fine powder of 0.25-2mm, and grind quicklime to 190-210 mesh.

[0020] (2) Mix 50% of shale powder, 15% of coal gangue, 15% of quicklime, and 30% of aluminum powder, add water and stir for 10 minutes. The water content of the mixture is 50%.

[0021] (3) Pour the mixture into the mold and let it foam naturally for 1.5 hours. Cut off the top of the bread and remove the mold after 4 hours.

[0022] (4) Cut the foamed shale adobe by using an ordinary hacksaw, and the cut size is 240mm×115mm×53mm.

[0023] (5) Roast the cut standard adobes to obtain aerated lightweight sintered shale bricks. Wherein the sintering temperature is controlled at 1000°C-1120°C and kept for 500 minutes.

[0024] The product specifications of the obtained lightweight bricks are 240mm×115mm×53mm or other specifications, and the weight of the bricks can be further reduced by opening holes; the compressive strength is ≥3.5Mpa; the density is 414.3kg / m 3 ;...

Embodiment 2

[0026] (1) Grind shale powder and coal gangue to fine powder of 0.25-2mm, and grind quicklime to 190-210 mesh.

[0027] (2) Mix shale powder accounting for 53% by mass, coal gangue accounting for 18%, quicklime accounting for 14%, aluminum powder accounting for 25%, add water and stir for 10 minutes, and the water content of the mixture is 50%.

[0028] (3) Pour the mixture into the mold and let it foam naturally for 1.5 hours. Cut off the top of the bread and remove the mold after 4 hours.

[0029] (4) Cut the foamed shale adobe by using an ordinary hacksaw, and the cut size is 240mm×115mm×53mm.

[0030] (5) Roast the cut standard adobes to obtain aerated lightweight sintered shale bricks. Wherein the sintering temperature is controlled at 1000°C-1120°C and kept for 500 minutes.

[0031] The product specifications of the obtained lightweight bricks are 240mm×115mm×53mm or other specifications, and the weight of the bricks can be further reduced by opening holes; the compre...

Embodiment 3

[0033] (1) Grind shale powder and coal gangue to fine powder of 0.25-2mm, and grind quicklime to 190-210 mesh.

[0034] (2) Mix 56% of shale powder, 18% of coal gangue, 13% of quicklime, and 20% of aluminum powder, add water and stir for 10 minutes, and the water content of the mixture is 50%.

[0035] (3) Pour the mixture into the mold and let it foam naturally for 1.5 hours. Cut off the top of the bread and remove the mold after 4 hours.

[0036] (4) Cut the foamed shale adobe by using an ordinary hacksaw, and the cut size is 240mm×115mm×53mm.

[0037] (5) Roast the cut standard adobes to obtain aerated lightweight sintered shale bricks. Wherein the sintering temperature is controlled at 1000°C-1120°C and kept for 500 minutes.

[0038] The product specifications of the obtained lightweight bricks are 240mm×115mm×53mm or other specifications, and the weight of the bricks can be further reduced by opening holes; the compressive strength is ≥5.2Mpa; the density is 594.2kg / m ...

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Abstract

The invention relates to an aerated lightweight sintered shale brick and a production method, the aerated light weight sintered shale brick is mainly prepared from the following raw materials in percentage by mass: 40 to 60 percent of shale powder, 15 to 25 percent of coal gangue powder, 10 to 20 percent of quicklime powder, and 20 to 30 percent of aluminite powder; the production method comprises the steps of adding water in the mixed raw materials and stirring for 8 to 10 minutes, and the moisture content of the prepared mixture is 50 percent; putting the mixture into a mould to foam naturally for 1 to 2 hours in a stationary state; cutting out bread heads, performing form removal after 3 to 4 hours, and the size of cutted mixture is the size of a standard brick, and performing calcination to prepare the aerated lightweight sintered shale brick; the aerated lightweight sintered shale brick and the production method have the advantages that the aluminite powder generates gas in the aqueous solution of quicklime, the adobe is expanded, thus the density of sintered shale brick is greatly reduced, the standard brick die and pressed shape are not needed, the production process is simplified, the surface of the adobe has no cracks or defects, the surface of the adobe is more complete, the sintered product is more aesthetic, and the aerated lightweight sintered shale brick has the properties of light weight, heat preservation, thermal insulation, fire protection, anti-cracking, sound insulation and the like.

Description

technical field [0001] The invention relates to a shale brick and a production method, in particular to an aerated lightweight sintered shale brick and a production method. Background technique [0002] Lightweight, thermal insulation, heat insulation, and sound insulation materials have always been the preferred partition wall materials. And the selected partition wall material of existing partition wall such as concrete blocks has characteristics such as high density, heavy weight, poor sound insulation and heat insulation performance, and poor seismic performance. This patent was invented in order to find a lightweight material suitable for partition walls. Contents of the invention [0003] The object of the present invention is to provide a non-load-bearing wall material with light weight, heat preservation, heat insulation, sound insulation and other excellent performances, and a production method thereof. [0004] The solution of the present invention is this: ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B38/02C04B35/00
Inventor 黄榜彪李治黄秉章廖天权张贝盛琪卢强刘阳
Owner GUANGXI UNIVERSITY OF TECHNOLOGY
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