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Extrusion-molded alkali-activated steel slag-alkaline residue exterior wall decorative board

A technology of extrusion molding and decorative panels, applied in the field of decorative panels, can solve problems such as wall crack resistance, poor weather resistance and durability protection, glass curtain wall ceramic hanging panels, external wall bricks, self-heavy, safety hazards, and environmental protection hazards. , to achieve the effect of strong anti-carbonization ability, good plate shape effect and waste reduction

Inactive Publication Date: 2019-01-15
HEBEI ZHUODA BUILDING MATERIALS RES INST CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Exterior wall paint is safe, rich in color, and easy to update, but it has poor protection performance on the wall such as crack resistance and weather resistance, and is easy to get dirty and fade; while the reflection of glass curtain wall, the high density of ceramic hanging board and the appearance The wall brick itself is heavy, which brings potential danger to the use of high-rise buildings on the outer wall, and is usually fired at high temperature. It is a high-pollution and high-energy-consuming product, and both safety hazards and environmental hazards coexist.
Metal exterior wall decoration materials such as aluminum panels and aluminum-plastic panels are difficult to popularize due to their high cost and complicated installation requirements

Method used

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  • Extrusion-molded alkali-activated steel slag-alkaline residue exterior wall decorative board
  • Extrusion-molded alkali-activated steel slag-alkaline residue exterior wall decorative board
  • Extrusion-molded alkali-activated steel slag-alkaline residue exterior wall decorative board

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0045] Preparation of extruded alkali-activated steel slag-alkali slag exterior wall decorative board

[0046] 1. Preparation of alkaline activator:

[0047] By weight, caustic soda: sodium water glass is 2:5.

[0048] 2. Preparation of decorative surface materials:

[0049] In parts by weight, 100 parts of steel slag, 30 parts of alkali slag, 21 parts of alkaline activator, 42 parts of water, 19 parts of pulp fiber, 5 parts of pigment and 1.1 part of polypropylene fiber.

[0050] 3. Preparation of middle material layer materials:

[0051] In parts by weight, 100 parts of steel slag, 40 parts of alkali slag, 15 parts of alkaline activator, 36 parts of water and 40 parts of pulp fiber.

[0052] The composition of steel slag in the above-mentioned components is: mass percent SiO 2 14.67%, TiO 20.84﹪, Al 2 o 3 4.06%, MgO 7.62, CaO 47.22%, Na 2 O 0.16﹪, K 2 O 0.075﹪, SO 3 0.57﹪, TFe14.30﹪, P 2 o 5 1.04%, loss on ignition 2.58%;

[0053] The composition of alkali sl...

Embodiment 2

[0063] Preparation of extruded alkali-activated steel slag-alkali slag exterior wall decorative board

[0064] 1. Preparation of alkaline activator:

[0065] By weight, caustic soda: lime is 5:3.

[0066] 2. Preparation of decorative surface materials:

[0067] In parts by weight, 100 parts of steel slag, 50 parts of alkali slag, 20 parts of alkaline activator, 40 parts of water, 18 parts of pulp fiber, 10 parts of pigment and 0.5 part of polypropylene fiber.

[0068] 3. Preparation of middle material layer materials:

[0069] In parts by weight, there are 100 parts of steel slag, 42 parts of alkali slag, 16 parts of alkaline activator, 35 parts of water and 43 parts of pulp fiber.

[0070] 4. Preparation of exterior wall decorative panels:

[0071] 1) Add the decorative surface layer material and the middle material layer material into the mixer in the order of solution, powder and pulp fiber and stir for 10 minutes;

[0072] 2) Spray the decorative surface material on t...

Embodiment 3

[0079] Preparation of extruded alkali-activated steel slag-alkali slag exterior wall decorative board

[0080] 1. Alkaline activator: caustic soda

[0081] 2. Preparation of decorative surface materials:

[0082] In parts by weight, 100 parts of steel slag, 20 parts of alkali slag, 28 parts of alkaline activator, 45 parts of water, 11 parts of pulp fiber, 8 parts of pigment and 0.8 part of polypropylene fiber.

[0083] 3. Preparation of middle material layer materials:

[0084] In parts by weight, there are 100 parts of steel slag, 10 parts of alkali slag, 13 parts of alkaline activator, 31 parts of water and 46 parts of pulp fiber.

[0085] 4. Preparation of exterior wall decorative panels:

[0086] 1) Add the decorative surface layer material and the middle material layer material into the mixer in the order of solution, powder and pulp fiber and stir for 10 minutes;

[0087] 2) Spray the decorative surface material on the template with special texture coated with releas...

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Abstract

The invention provides an extrusion-molded alkali-activated steel slag-alkaline residue exterior wall decorative board. The exterior wall decorative board is formed by laminating a decorative surfacelayer and a middle material layer. The decorative surface layer is externally sprayed with a decorative surface layer material, and the middle material layer is prepared from an extrusion-molded middle layer material. The decorative surface layer material is prepared from the following ingredients (by weight): 100 parts of steel slag, 30 parts of alkaline residue, 21 parts of an alkaline activator, 42 parts of water, 19 parts of pulp fiber, 5 parts of a pigment, and 1.1 part of polypropylene fiber. The middle layer material is prepared from the following ingredients (by weight): 100 parts of steel slag, 40 parts of alkaline residue, 15 parts of an alkaline activator, 36 parts of water, and 40 parts of pulp fiber. By the technical scheme of the invention, potential hydraulicity of steel slag-alkaline residue is fully utilized, a high-strength product which achieves various performance indexes of the exterior wall decorative board is generated at a high hydration speed, the blank qualityof the board is guaranteed, and mass production can be realized.

Description

technical field [0001] The invention relates to a decorative board, in particular to a preparation method of an exterior wall decorative board. Background technique [0002] Steel slag is a by-product of the steelmaking process, and its emissions are about 10-15% of steel production. At present, the comprehensive utilization rate of steel slag is only 10%. Nearly 90 million tons of steel slag are not effectively utilized every year. The stacking and idleness of a large amount of steel slag not only takes up a lot of cultivated land, but also contains heavy metal ions and alkali metal ions in steel slag. It will seep into the soil and cause groundwater pollution. [0003] Alkali slag refers to the alkaline waste slag discharged in the process of alkali making and alkali treatment in industrial production, including the waste slag discharged in the process of making alkali by ammonia-soda method and the alkaline waste slag discharged in other industrial production processes. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/00E04F13/077B28B1/52B28B3/20C04B111/28C04B18/14C04B18/04
CPCE04F13/0866C04B28/00B28B1/525B28B3/20C04B2111/28C04B2201/20C04B2201/32C04B2201/50C04B2111/00612C04B18/142C04B18/0481C04B22/062C04B12/04C04B18/241C04B2103/54C04B16/0633C04B22/064Y02W30/91
Inventor 杨卓舒纪勇段晓张军华马春羽
Owner HEBEI ZHUODA BUILDING MATERIALS RES INST CO LTD
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