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Waste residue treatment method

A treatment method and waste slag technology, applied in covering/lining, construction, building construction, etc., can solve the problem of wall crack resistance, poor weather resistance and durability protection performance, glass curtain wall ceramic hanging board, external wall bricks, heavy weight, and safety Hidden dangers and environmental hazards, etc., to achieve good fatigue resistance, improve hydration speed and early strength, and improve the quality of billets

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

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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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] 1. Waste residue treatment method

[0037] 1) Preparation of basic activator:

[0038] By weight, caustic soda: lime: gypsum dihydrate is 4:3:1.5.

[0039] 2) Preparation of decorative surface materials:

[0040] In parts by weight, 100 parts of alkali slag, 25 parts of cement, 10 parts of alkaline activator, 40 parts of water, 20 parts of pulp fiber, 5 parts of pigment and 0.5 part of polypropylene fiber.

[0041] 3) Preparation of middle material layer materials:

[0042] In parts by weight, 100 parts of alkali slag, 20 parts of cement, 8 parts of alkaline activator, 25 parts of water, 25 parts of pulp fiber and 1 part of polypropylene fiber.

[0043] The composition of alkali slag in the above-mentioned components is: mass percent CaSO 3 45.6%, CaCl 2 10.5%, Al 2 o 3 3.0%, SiO 2 7.8%, CaCO 4 3.9%, CaO 10.3%, Fe 2 o 3 0.7%, Mg(OH) 2 9.0%, NaCl 2.7%, H 2 O 5.3%.

[0044] 2. Preparation of exterior wall decorative panels:

[0045] 1) Add the decorat...

Embodiment 2

[0053] 1. Waste residue treatment method:

[0054] 1) Preparation of basic activator:

[0055] By weight, caustic soda: lime: gypsum dihydrate is 8:5:3.

[0056] 2) Preparation of decorative surface materials:

[0057] In parts by weight, 100 parts of alkali slag, 50 parts of cement, 12 parts of alkaline activator, 50 parts of water, 30 parts of pulp fiber, 5 parts of pigment and 1 part of polypropylene fiber.

[0058] 3) Preparation of middle material layer materials:

[0059] In parts by weight, 100 parts of alkali slag, 30 parts of cement, 10 parts of alkaline activator, 30 parts of water, 35 parts of pulp fiber and 1.5 parts of polypropylene fiber.

[0060] 2. Preparation of exterior wall decorative panels:

[0061] 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;

[0062] 2) Spray the decorative surface material on the template with special texture...

Embodiment 3-14

[0068] Embodiment 3-14 is as follows: (the preparation of alkaline activator is with embodiment 1, and preparation process is with embodiment 2) surface material preparation is as table 1: (by weight)

[0069] Table 1

[0070] Example number

Alkali residue

cement

Alkaline Stimulator

water

pulp fiber

pigment

Polypropylene fibers

Example 3

100

40

11

24

28

15

0.5

Example 4

100

3

20

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

46

18

60

30

28

0.5

Example 12

100

38

16

48

28

20

0.6

Example 13

100...

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Abstract

The invention provides a waste residue treatment method. The waste residue mainly comprises alkaline residue, metakaolin, granulated blast-furnace slag, granulated phosphorus slag, fly ash and the like. The waste residue is applied to exterior wall decorative boards. 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 material layer is prepared from a slurry-flow molded middle layer material. The decorative surface layer material is prepared from the following ingredients (by weight): 100 parts of alkaline residue, 0-50 parts of cement, 1-20 parts of an alkaline activator, 20-60 parts of water, 5-30 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 alkaline residue, 0-30 parts of cement, 1-15 parts of an alkaline activator, 10-40 parts of water, 5-50 parts of pulp fiber, and 0.5-2 parts of polypropylene fiber. By the technical scheme of the invention, potential hydraulicity of 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, and the blank quality of theboard is guaranteed.

Description

technical field [0001] The invention relates to a method for treating waste residue, in particular to a method for preparing an exterior wall decorative board with waste residue. Background technique [0002] The environment is the basic premise for human survival and development. The environment provides the necessary resources and conditions for our survival and development. Therefore, the reform of traditional technology and the full use of waste residue as raw materials can achieve economic, environmental and social benefits. [0003] Moreover, the new building exterior wall decoration materials developed in recent years are commonly used in architectural coatings, exterior wall bricks, glass curtain walls, ceramic hanging panels, aluminum panels, aluminum-plastic panels, etc. 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 fa...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/00E04F13/14
CPCE04F13/14C04B28/00C04B2111/28C04B2111/20C04B2201/20C04B2201/32C04B2201/50C04B18/0427C04B22/062C04B22/064C04B22/143C04B18/241C04B16/0633C04B2103/54
Inventor 杨卓舒纪勇段晓张军华马春羽
Owner HEBEI ZHUODA BUILDING MATERIALS RES INST CO LTD