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Chemical foaming cement building material prepared by utilizing light particles and preparation method thereof

A lightweight particle, chemical foaming technology, applied in the field of building materials, can solve problems such as light particle pollution, achieve the effects of good fire resistance, light weight, and expand application prospects

Inactive Publication Date: 2012-10-24
北京鸿锐嘉科技发展有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The object of the present invention is to provide a kind of chemically foamed cement building material that utilizes light particle to prepare and preparation method thereof, the raw material that this chemically foamed water building material comprises is light particle, cement, fly ash, silicon powder, slag powder, Foam stabilizer, fiber, foaming agent, mixing water; the present invention has more excellent thermal insulation performance than chemical foaming cement alone, and at the same time expands the application prospects of light particles, and solves the problems caused by some industrial waste light particles. pollution problem

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0060] The chemically foamed cement building material prepared by utilizing lightweight particles in this embodiment, the weight and number ratio of the raw materials included in the chemically foamed cement building material is:

[0061] Light particles 1.0~20.0

[0062] Cement 25.0~50.0

[0063] Fly ash 5.0~40.0

[0064] Fiber 0.1~1.0

[0065] Foam stabilizer 1.0~5.0

[0066] Foaming agent 1.0~10.0

[0067] Mix water 20.0~50.0.

[0068] Further, the lightweight particles described in this embodiment include:

[0069] (1) Expanded polystyrene particles: the particle size is 2~6mm, and the bulk density is less than 30kg / m 3 .

[0070] (2) Expanded perlite: the particle size is 0.15~3mm, and the bulk density is less than 250kg / m 3 , The refractoriness is greater than 1200°C.

[0071] (3) Vitrified microbeads: the particle size is 0.5~3mm, and the bulk density is less than 350kg / m 3 , the refractoriness is greater than 1200°C, and the thermal conductivity is less than ...

Embodiment 2

[0098] This embodiment is a preferred solution based on Embodiment 1, the quality of the raw materials used is the same as that of Embodiment 1, and the ratio of raw materials included in the chemically foamed cement building material is as follows:

[0099] Light particles 1.0~20.0

[0100] Cement 25.0~50.0

[0101] Fly ash 5.0~40.0

[0102] Fiber 0.1~1.0

[0103] Silica fume 1.0~10.0

[0104] Slag powder 5.0~40.0

[0105] Foam stabilizer 1.0~5.0

[0106] Foaming agent 1.0~10.0

[0107] Mix water 20.0~50.0.

[0108] The unit of weight used in this embodiment is kilogram, and may also be ton.

[0109] For the preparation method of this example, refer to Example 1, and the weight ratio of raw materials is according to the data of this example.

[0110] The silicon powder described in this embodiment is dust with extremely fine particle size collected from the flue of a blast furnace for smelting silicon metal. The main component is glassy silica, which can make it have...

Embodiment 3

[0113] This embodiment is a preferred solution based on Embodiment 1, the quality of the raw materials used is the same as that of Embodiment 1, and the ratio of raw materials included in the chemically foamed cement building material is as follows:

[0114] Light Granules 1.0

[0115] Cement 39.0

[0116] Fly Ash 23.0

[0117] Fiber 0.4

[0118] Foam stabilizer 2.6

[0119] Blowing agent 4.0

[0120] Mix water 30.0.

[0121] Further, the lightweight particles described in this embodiment are lightweight particles of expanded polystyrene, with a particle size of 2-6mm and a bulk density of less than 30kg / m 3 .

[0122] The unit of weight used in this embodiment is kilogram, and may also be ton.

[0123] The preparation method of described chemical foaming cement building material is:

[0124] A. Pour the cement, fly ash, fiber, and expanded polystyrene light particles into the mixing tank in turn, and stir for 10 seconds to obtain the mixture A;

[0125] B. Add the foam...

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Abstract

The invention relates to a chemical foaming cement building material prepared by utilizing light particles and a preparation method of the cement building material. According to the chemical foaming cement building material, light particles, cement, coal ash, a foam stabilizer, fibers, a foaming agent, a gauging water, silicon powder and slag powder are used as raw materials; and three sets of foaming systems are adopted, that is to say, three foaming systems of quite stable light particle pre- foaming, physical foaming generated in a stirring process and cement chemical foaming with poor stability are combined, so that the foam breaking rate and the film collapse rate of the chemical foaming cement are greatly reduced. The chemical foaming cement building material has a more excellent insulating performance compared with independent chemical foaming cement, meanwhile, the application prospect of the light particles is expanded, and the pollution problem caused by partial industrial waste light particles is solved.

Description

technical field [0001] The invention belongs to the technical field of building materials, and in particular relates to a chemically foamed cement building material prepared by using light particles and a preparation method thereof. Background technique [0002] Building energy consumption refers to the energy consumption of buildings during the entire production and use process. Among them, building energy consumption mainly includes energy consumption in heating, air conditioning, lighting, cooking, household appliances, hot water supply, etc. Building energy consumption accounts for a relatively large proportion of the total energy consumption of the society, accounting for about 32% of the national energy consumption. As one of the mainstreams of the world's energy-saving wave, building energy conservation is increasingly valued by people. [0003] Building thermal insulation is one of the main measures to reduce building energy conservation. In the initial stage of buil...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B38/02C04B28/00
Inventor 佘海龙耿春雷
Owner 北京鸿锐嘉科技发展有限公司
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