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Method for manufacturing exterior wall decorative board

A technology for decorative panels and exterior walls, applied in covering/lining, construction, building construction, etc., can solve the problems of glass curtain wall ceramic hanging panels, high-density exterior wall bricks, self-weight, wall crack resistance, weather resistance and durability protection performance Poor, comprehensive utilization rate is less than 15%, to achieve the effect of reducing efflorescence, good anti-fatigue performance, and light weight

Pending 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

In recent years, domestic and foreign research on how to deal with coal gangue has been carried out in depth. Among them, coal gangue is mainly used in cement production, but the utilization rate is low, and the current comprehensive utilization rate is still less than 15%.
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 in high-rise buildings on the exterior wall, and is usually fired at high temperature, which is a high-pollution and high-energy-consumption product, with safety hazards and environmental hazards coexisting
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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  • Method for manufacturing exterior wall decorative board

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0045]A method of making an exterior wall decorative panel:

[0046] 1. Treatment of slag-coal gangue

[0047] 1) Prepare the alkaline activator: the weight ratio of caustic soda: sodium silicate: lime is 5:3.5:3.

[0048] 2) Preparation of decorative surface materials:

[0049] In parts by weight: 100 parts of slag, 25 parts of coal gangue, 12 parts of alkaline activator, 25 parts of water, 5 parts of pulp fiber, 5 parts of pigment, and 0.5 part of polypropylene fiber.

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

[0051] In parts by weight: 100 parts of slag, 68 parts of coal gangue, 22 parts of alkaline activator, 40 parts of water, 35 parts of pulp fiber, and 1 part of polypropylene fiber.

[0052] Among the above components, the composition in the slag is: mass percent SiO 2 39%, FeO 0.8%, Al 2 o 3 15%, CaO41%.

[0053] The composition of coal gangue is: mass percent SiO 2 : 53.18%; Al 2 o 3 : 18.39%; Fe 2 o 3 : 12.63﹪; CaO: 2.32﹪; MgO: 2.21﹪; ...

Embodiment 2

[0063] A method of making an exterior wall decorative panel:

[0064] 1. Treatment of slag-coal gangue

[0065] 1) Prepare the alkaline activator: the weight ratio of caustic soda: sodium silicate: lime is 4:4.5:1.8.

[0066] 2) Preparation of decorative surface materials:

[0067] In parts by weight: 100 parts of slag, 48 parts of coal gangue, 24 parts of alkaline activator, 45 parts of water, 25 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: 100 parts of slag, 20 parts of coal gangue, 12 parts of alkaline activator, 34 parts of water, 15 parts of pulp fiber, and 1.5 parts of polypropylene fiber.

[0070] 2. 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 th...

Embodiment 3-14

[0078] Embodiment 3-14 is as follows: (the preparation of basic activator is with embodiment 1, and preparation process is with embodiment 2)

[0079] Surface material preparation is as table 1: (by weight)

[0080] Table 1

[0081] Example number

slag

coal gangue

Alkaline Stimulator

water

pulp fiber

pigment

Polypropylene fibers

Example 3

100

40

11

24

28

15

0.5

Example 4

100

3

25

46

14

21

0.9

Example 5

100

34

7

20

9

30

0.7

Example 6

100

27

1

32

5

2

1.0

Example 7

100

0

9

50

13

10

0.6

Example 8

100

16

4

40

21

1

0.8

Example 9

100

50

19

28

19

26

0.7

Example 10

100

9

14

25

7

15

1.0

Example 11

100

19

12

48

24

28

0.8

Example 12

100

26

16

42

20

22

0.8

Example 13

1...

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Abstract

The invention provides a method for manufacturing an exterior wall decorative board. The exterior wall decorative board is formed by laminating a decorative surface layer and a middle material layer.The decorative surface layer is externally sprayed with a decorative surface layer material, and the middle layer material is beater-addition molded by a beater-addition machine. The decorative surface layer material is prepared from the following ingredients (by weight): 100 parts of slag, 0-50 parts of coal gangue, 1-25 parts of an alkaline activator, 20-50 parts of water, 5-28 parts of pulp fiber, 1-30 parts of a pigment and 0.5-1 part of polypropylene fiber. The middle layer material is prepared from the following ingredients (by weight): 100 parts of slag, 0-70 parts of coal gangue, 1-22parts of an alkaline activator, 10-40 parts of water, 5-42 parts of pulp fiber and 0.5-2 parts of polypropylene fiber. By the technical scheme of the invention, potential hydraulicity of slag-coal gangue 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 quality of the board is guaranteed, and mass production can be realized.

Description

technical field [0001] The invention relates to a method and equipment for making exterior wall decorative panels, in particular to a method for using alkali-activated slag-coal gangue to produce exterior wall decorative panels. Background technique [0002] Coal gangue is the waste rock that is separated during the process of coal development and washing, and is one of the largest industrial solid wastes. According to statistics, the comprehensive discharge of coal gangue accounts for about 15%-20% of raw coal production, and the storage capacity has reached 7 billion tons. A large amount of coal gangue is not only a heavy burden on coal mine production, but also seriously pollutes the environment. Therefore, the treatment and recycling of coal gangue has become an inevitable problem for human beings today. In recent years, domestic and foreign studies on how to deal with coal gangue have been carried out in depth. Among them, coal gangue is mainly used in cement producti...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/00E04F13/077
CPCE04F13/0866C04B28/006C04B2201/50C04B2201/20C04B2201/32C04B2111/28C04B2111/00612C04B18/142C04B18/12C04B22/062C04B12/04C04B22/064C04B22/002C04B18/241C04B2103/54C04B16/0633
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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