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A kind of all-solid waste foamed ceramic insulation board based on ceramic polishing slag and preparation method thereof

A technology of ceramic polishing slag and foamed ceramics, which is applied in the fields of green building materials and building energy conservation, can solve the problems of difficulty in reducing production costs, reducing the production cost of foamed ceramics, and consuming non-renewable mineral resources. The performance index is stable and controllable, and the effect of reducing production cost

Active Publication Date: 2018-09-25
LIAONING LIMENG HI TECH NEW MATERIAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In order to overcome the deficiencies such as the need to use mineral raw materials such as feldspar and clay as auxiliary materials in the preparation process of existing foamed ceramic insulation boards, consume a large amount of non-renewable mineral resources, and make it difficult to reduce production costs, the purpose of the present invention is to provide a ceramic-based The all-solid-waste foamed ceramic insulation board of polishing slag and its preparation method, the invention greatly improves the consumption of solid waste in the foamed ceramic industry, realizes zero demand for non-renewable mineral resources, and greatly reduces the cost of foamed ceramics. production cost

Method used

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  • A kind of all-solid waste foamed ceramic insulation board based on ceramic polishing slag and preparation method thereof
  • A kind of all-solid waste foamed ceramic insulation board based on ceramic polishing slag and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] In this example, the raw materials and proportions used to prepare the all-solid waste foamed ceramic insulation board based on ceramic polishing slag are:

[0025] The weight ratio of solid waste powder to water is 1:0.4, and the weight percentage of each component in the solid waste powder is: polishing slag 87%, laterite 10%, blast furnace dust 2.65%, SiC dust removal powder 0.35% .

[0026] The method for preparing a foamed ceramic insulation board by using the above-mentioned raw materials comprises the following steps:

[0027] 1) Homogenization treatment of raw materials: Homogenize polishing slag, laterite, blast furnace ash, and SiC dedusting powder in the storage yard to obtain four kinds of powder materials for future use.

[0028] 2) Slurry preparation: mix the four powders obtained in step (1) in proportion, then add water in proportion, and perform wet ball milling with a ball mill for 6 hours to obtain the slurry;

[0029] 3) Spray drying: After sieving...

Embodiment 2

[0036] In this example, the raw materials and proportions used to prepare the all-solid waste foamed ceramic insulation board based on ceramic polishing slag are:

[0037] The weight ratio of solid waste powder to water is 1:0.5, and the weight percentage of each component in the solid waste powder is: polishing slag 87.5%, oil shale 6.5%, converter dust 3.5%, waste gypsum powder 2.5%.

[0038] The method for preparing a foamed ceramic insulation board by using the above-mentioned raw materials comprises the following steps:

[0039] 1) Uniform raw materials: Homogenize four raw materials, including polishing slag, oil shale, converter ash, and waste gypsum powder, in the storage yard to obtain four kinds of powder materials for future use.

[0040]2) Slurry preparation: Mix the four kinds of powders obtained in step (1) in proportion, then add water in proportion, and perform wet ball milling with a ball mill for 12 hours to obtain the slurry;

[0041] 3) Spray drying: Afte...

Embodiment 3

[0048] In this example, the raw materials and proportions used to prepare the all-solid waste foamed ceramic insulation board based on ceramic polishing slag are:

[0049] The weight ratio of solid waste powder to water is 1:0.6, and the weight percentage of each component in the solid waste powder is: polishing slag 84.5%, coal gangue 10%, blast furnace dust 5%, SiC dust removal powder 0.5% %.

[0050] The method for preparing a foamed ceramic insulation board by using the above-mentioned raw materials comprises the following steps:

[0051] 1) Uniformity of raw materials: four kinds of raw materials such as polishing slag, coal gangue, blast furnace ash, and SiC dedusting powder are uniformly processed in the storage yard to obtain four kinds of powder materials for future use.

[0052] 2) Slurry preparation: Mix the four kinds of powders obtained in step (1) in proportion, then add water in proportion, and perform wet ball milling with a ball mill for 12 hours to obtain th...

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Abstract

The invention discloses a full-solid-waste foamed ceramic insulation board based on ceramic-polished residues and a preparation method thereof, belonging to the technical field of green building materials and energy conservation of building. The raw material of the foamed ceramic insulation board is prepared by mixing full solid waste powder with water according to a weight ratio of 1: 0.4-0.6. The full solid waste powder comprises, by weight, 75 to 95% of ceramic-polished residues, 5 to 10% of a suspending agent, 0.5 to 10% of a foam stabilizer and 0.5 to 5% of a foaming agent. The raw material is subjected to homogenization, ball milling, drying, encastage, sintering, demolding and cutting so as to prepare the foamed ceramic insulation board. According to the invention, a raw material formula of the board is totally composed of solid waste, so consumption of solid waste by the ceramic industry is greatly improved, non-renewable mineral resources are not used, and production cost for foamed ceramic is greatly reduced.

Description

technical field [0001] The invention relates to the technical fields of green building materials and building energy conservation, in particular to a foamed ceramic insulation board based on ceramic polishing slag and a preparation method thereof. Background technique [0002] At present, the insulation boards used in building walls mainly include polyurethane boards, polystyrene foam boards (EPS) and polystyrene insulation boards (XPS), etc., but due to their poor flame retardancy, toxic gases are emitted when burning. , resulting in frequent building fire tragedies. In addition, when these organic materials are used as external wall insulation materials, they are easy to age and fall off. Foamed ceramic insulation board is a new type of inorganic building material, which has the characteristics of light weight, high strength, fire resistance, good aging resistance, and the same life span as the building, so it has become a hot spot in research and application. [0003] F...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B33/132C04B38/02
CPCC04B33/132C04B38/02Y02P40/60
Inventor 郑树清田密陈健姜维涛马明龙梁勇
Owner LIAONING LIMENG HI TECH NEW MATERIAL
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