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A kind of silicon-calcium-magnesium light aggregate block and its preparation process

A preparation process and light aggregate technology, which is applied in the field of silicon-calcium-magnesium lightweight aggregate blocks and preparation processes, can solve the problems of large thermal conductivity, poor fire resistance, and high quality, and achieve small thermal conductivity, high fire resistance, and density. uniform effect

Active Publication Date: 2021-04-30
宜宾市南溪区顺发新型建材科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to replace sintered bricks such as shale bricks, blocks have been further developed in the prior art. Blocks are artificial blocks made of building basic materials, industrial waste and other materials. The advantage of fast construction speed meets the requirements of wall reform in the development of building industrialization, but its general strength is low, high quality, high thermal conductivity, and poor fire resistance.

Method used

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  • A kind of silicon-calcium-magnesium light aggregate block and its preparation process
  • A kind of silicon-calcium-magnesium light aggregate block and its preparation process

Examples

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Comparison scheme
Effect test

Embodiment 1

[0034]Weigh 23 parts of Portland cement, 31 parts of fly ash, 17 parts of bamboo fiber, 32 parts of river sand, and 7 parts of magnesium oxide, and send them into the primary mixing system through the wind to stir evenly; through the secondary stirring of the transmission system, add 25% 12 parts of calcium chloride aqueous solution (3 parts of calcium chloride) and stir evenly, then add 2 parts of aluminum powder and stir evenly, then add 6.7 parts of 30% water glass aqueous solution (2 parts of water glass), and finally add 35% lauroyl muscle 5.7 parts of aqueous acid solution (2 parts of lauroyl sarcosine), stirred evenly, vibrated, and then statically pressed, the pressure was 10 MPa, the holding time was 20 seconds, and natural curing was done for 28 days to prepare block samples.

Embodiment 2

[0036] Weigh 15 parts of Portland cement, 40 parts of fly ash, 8 parts of plant fiber, 35 parts of river sand, and 4 parts of magnesium oxide, and send them into the primary mixing system through the wind to stir evenly; through the secondary stirring of the transmission system, add 25% Stir 4 parts of calcium chloride aqueous solution evenly, then add 1 part of aluminum powder and stir evenly, then add 3 parts of 30% water glass aqueous solution, finally add 2.9 parts of 35% lauroyl sarcosine aqueous solution, stir evenly, vibrate and then press static pressure Forming, the pressure is 8MPa, the pressure holding time is 200 seconds, and the natural curing is 20 days to prepare block samples.

Embodiment 3

[0038] Weigh 30 parts of Portland cement, 25 parts of fly ash, 20 parts of plant fiber, 20 parts of river sand, and 10 parts of magnesium oxide, and send them into the primary mixing system through the wind to stir evenly; through the secondary stirring of the transmission system, add 25% 12 parts of calcium chloride aqueous solution and stir evenly, then add 3 parts of aluminum powder and stir evenly, then add 6.7 parts of 30% water glass aqueous solution, and finally add 5.7 parts of 35% lauroyl sarcosine aqueous solution, stir evenly and form by vibrating static pressure , the pressure is 20MPa, the pressure holding time is 10 seconds, and the block samples are prepared by natural curing for 30 days.

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Abstract

The invention discloses a silicon-calcium-magnesium light aggregate block, which comprises the following components: Portland cement, fly ash, plant fiber, river sand, magnesium oxide, water glass , calcium chloride, aluminum powder and lauroyl sarcosine. It solves the problems of low strength, high quality, high thermal conductivity and poor fire resistance of existing blocks, and contributes to the development of blocks.

Description

technical field [0001] The invention relates to the field of building materials, in particular to a silicon-calcium-magnesium light aggregate block and a preparation process thereof. Background technique [0002] In the prior art, sintered bricks, such as shale bricks, are widely used as building materials for walls. This material is a semi-finished building material, which consumes a lot of energy (coal) during the sintering process, and the sintering process is very easy to cause the flatness of the brick surface due to material deformation. Poor, it is difficult to meet the construction requirements without plastering, thus increasing the time and labor, material costs and energy consumption of wall construction; at the same time, in the process of shale mining, it is necessary to destroy mountains and forests and destroy the ecological environment. In terms of performance, shale bricks have a large thermal conductivity, which does not keep warm in winter and cool in summ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B28/04C04B38/02B28B3/08E04C1/00
CPCB28B3/086C04B28/04C04B2111/28C04B2111/40E04C1/00C04B22/04C04B22/066C04B22/124C04B22/00C04B18/24C04B18/08C04B14/06C04B24/12C04B38/02
Inventor 林洪清刘礼英
Owner 宜宾市南溪区顺发新型建材科技有限公司