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Hot-pressed steel slag construction waste board

A construction waste and hot pressing technology, applied in building elements, lamination, lamination devices, etc., can solve problems such as hidden dangers and safe production burial, and achieve the effects of large usage, high utilization rate and low price

Inactive Publication Date: 2017-01-04
ZHUODA NEW MATERIALS TECH GRP WEIHAI CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The use of dangerous chemicals such as sodium hydroxide and potassium hydroxide as stimulants has bury a large hidden danger for safe production

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] A hot-pressed steel slag construction waste board, which is composed of a fabric layer and a middle material layer;

[0025] The fabric layer is composed of the following parts by weight: 100 parts of steel slag, 12 parts of alkaline activator, 40 parts of water, 200 parts of construction waste, and 0.6 part of alkali-resistant fiber;

[0026] The middle material layer is composed of the following materials in parts by weight: 100 parts of steel slag, 12 parts of alkaline activator, 30 parts of water, 600 parts of construction waste, and 1.5 parts of alkali-resistant fiber.

[0027] The alkaline activator is prepared by mixing caustic soda, sodium silicate, lime, Glauber's salt and soda ash according to the mass ratio of 1:1:1:1:1.

[0028] The construction waste is made by mixing waste concrete, waste bricks and waste marble according to the mass ratio of 1:1:1.

[0029] The preparation method of the above-mentioned hot-pressed steel slag construction waste plate is c...

Embodiment 2

[0039] A hot-pressed steel slag construction waste board, which is composed of a fabric layer and a middle material layer;

[0040] The fabric layer is composed of the following parts by weight: 100 parts of steel slag, 5 parts of alkaline activator, 30 parts of water, 100 parts of construction waste, and 0.1 part of alkali-resistant fiber;

[0041] The middle material layer is composed of the following parts by weight: 100 parts of steel slag, 5 parts of alkaline activator, 20 parts of water, 400 parts of construction waste, and 0.5 part of alkali-resistant fiber.

[0042] The alkaline activator is prepared by mixing caustic soda, sodium silicate, lime, Glauber's salt and soda ash according to the mass ratio of 1:1:1:1:1.

[0043] The construction waste is made by mixing waste concrete, waste bricks and waste marble according to the mass ratio of 1:1:1.

[0044] The preparation method of the above-mentioned hot-pressed steel slag construction waste plate is carried out accor...

Embodiment 3

[0054] A hot-pressed steel slag construction waste board, which is composed of a fabric layer and a middle material layer;

[0055] The fabric layer is composed of the following parts by weight: 100 parts of steel slag, 20 parts of alkaline activator, 50 parts of water, 300 parts of construction waste, and 1.2 parts of alkali-resistant fiber;

[0056] The middle material layer is composed of the following materials in parts by weight: 100 parts of steel slag, 20 parts of alkaline activator, 40 parts of water, 1000 parts of construction waste, and 2.0 parts of alkali-resistant fiber.

[0057] The alkaline activator is prepared by mixing caustic soda, sodium silicate, lime, Glauber's salt and soda ash according to the mass ratio of 1:1:1:1:1.

[0058] The construction waste is made by mixing waste concrete, waste bricks and waste marble according to the mass ratio of 1:1:1.

[0059] The preparation method of the above-mentioned hot-pressed steel slag construction waste plate is...

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Abstract

The invention discloses a hot-pressed steel slag construction waste board, belonging to the technical field of preparation of construction materials. The hot-pressed steel slag construction waste board is composed of a surface material layer and a middle material layer. The surface material layer is composed of 100 parts of steel slag, 5-20 parts of alkaline excitant, 30-50 parts of water, 100-300 parts of construction waste and 0.1-1.2 parts of alkali-resistant fibers. The middle material layer is composed of 100 parts of steel slag, 5-20 parts of alkaline excitant, 20-40 parts of water, 400-1000 parts of construction waste and 0.5-2.0 parts of alkali-resistant fibers. By using the steel slag and construction waste as the raw materials for preparing the board, the hot-pressed steel slag construction waste board has the characteristics of low price, wide sources, high consumption of steel slag, and high utilization ratio of steel slag, and changes wastes into valuable substances. The prepared board has the advantages of light weight, high impact resistance, high toughness, low shrinkage, favorable fatigue resistance, high carbonization resistance and favorable durability.

Description

technical field [0001] The invention belongs to the technical field of building material preparation, and in particular relates to a hot-pressed steel slag construction waste plate. Background technique [0002] With the acceleration of the urbanization process and the continuous development of the economy, a large number of old buildings have been demolished, and the disposal of abandoned bricks, reinforced concrete fragments and other construction waste has become a social issue worthy of more and more attention. However, if it is simply landfilled, it will not only affect the urban environment and waste land resources, but also cause a huge waste of energy and resources. Using construction waste to prepare new construction waste panels can not only effectively treat waste, but also meet the development requirements of current building materials. [0003] Steel slag is a by-product of the steelmaking process and one of the major solid wastes in the steel industry. Due to ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/00B32B13/14B32B17/02B32B37/06B32B37/10B32B37/15C04B18/14C04B18/16C04B22/06C04B22/08C04B22/14C04B22/10C04B111/27C04B111/52C04B111/20
CPCB32B5/028B32B13/14B32B37/06B32B37/10B32B37/15B32B2250/40B32B2262/101B32B2307/552B32B2307/558B32B2307/718B32B2419/00C04B28/006C04B2111/20C04B2111/27C04B2111/52C04B2201/50C04B18/142C04B18/16C04B22/062C04B22/08C04B22/064C04B22/147C04B22/10C04B20/0048Y02W30/91
Inventor 杨卓舒段晓张军华马春羽史红彬蔡世楷
Owner ZHUODA NEW MATERIALS TECH GRP WEIHAI CO LTD
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