阅读说明：本技术 一种透明地质聚合物的制备方法 (Preparation method of transparent geopolymer ) 是由 范文迪 陈可妍 于 2020-11-24 设计创作，主要内容包括：本发明公开了一种制备透明地质聚合物的方法,该方法在制备地质聚合物的过程中添加了透明物质,制备了具备透光性能的地质聚合物。本方法制备的地质聚合物具有硬度高、抗压强度高、耐酸碱腐蚀并且透明的特性,符合国家GB/T 30100-2013对于建筑墙板的要求,在室内装饰具有广泛的应用前景。(The invention discloses a method for preparing a transparent geopolymer, which adds a transparent substance in the process of preparing the geopolymer to prepare the geopolymer with light transmission performance. The geopolymer prepared by the method has the characteristics of high hardness, high compressive strength, acid and alkali corrosion resistance and transparency, meets the requirements of national GB/T30100-2013 on building wallboards, and has wide application prospects in interior decoration.)

1. A preparation method of a transparent geopolymer is characterized in that solid waste is used as a main raw material, the main raw material is ground and then added with a transparent substance to be uniformly stirred, pressed and formed, maintained, polished and polished to obtain the transparent geopolymer.

2. The method of claim 1, wherein the main raw materials are waste glass powder, waste incineration bottom ash, fly ash, river sand, stainless steel slag, aluminum mud, fuming slag, volatile kiln slag, blast furnace slag, metakaolin, etc.

3. The method of claim 2, wherein the amount of the main raw material is one or more than one of the main raw materials, and the content is 20-70%.

4. A method of preparing a transparent geopolymer according to claim 1 characterised in that the transparent substance is fibre, glass-ceramics and plastics.

5. A method of preparing a transparent geopolymer according to claim 4 characterised in that the transparent material is added in an amount of 0 to 50%.

6. A method for preparing a transparent geopolymer according to claim 1, characterized in that it comprises the following steps:

(1) mixing materials: ball-milling main geopolymer raw materials and mixing the raw materials according to a certain proportion;

(2) mixing and stirring: adding an alkaline activator solution, mixing and stirring with the mixed materials;

(3) transparentizing: adding a transparent substance and mixing with a geopolymer to obtain a mixture;

(4) molding: pressing and molding the mixture in a mold;

(5) gas evolution: standing the geopolymer mixture in a vacuum environment for 0-3 h;

(6) and (5) maintenance: curing for 0-40 h at the temperature of 10-100 ℃ and the humidity of 30-99%

(7) And (5) grinding and polishing to obtain the transparent geopolymer.

7. A method of preparing a transparent geopolymer according to claim 5, characterised in that the alkaline activator is water glass.

8. The method of claim 1, wherein the transparent geopolymer has a 7d compressive strength of 50 to 90 MPa.

Technical Field

The invention relates to the technical field of novel building materials, and provides a transparent geopolymer with building function and attractive appearance.

Background

As a novel environment-friendly material, the geopolymer has excellent performances of acid and alkali resistance and high temperature resistance, is already used in a plurality of fields, and can also increase light transmission on the basis. The shape, color and shape of an object can be distinguished by the present invention. Compared with the sound-absorbing and fire-proof plate made of red mud-based foamed geopolymer in patent CN21015198U and the geopolymer porous heat-insulating material made of fly ash in patent CN107344863, the geopolymer porous heat-insulating material has the characteristics of good daylighting performance and higher economic benefit. Compared with the semitransparent concrete mixture prepared by the patent CN101309877, the product of the patent has higher compressive strength, good high-temperature resistance and heat insulation effect, acid and alkali corrosion resistance and more energy-saving and environment-friendly manufacturing process. The invention improves the efficiency of the fields of building materials, high-strength materials and the like.

Disclosure of Invention

The invention takes the solid waste as the raw material, has wide raw material source, simple and convenient preparation method, energy-saving and environment-friendly preparation process, strong compression resistance, acid and alkali resistance and good daylighting performance of the transparent geopolymer and better economic benefit.

The invention is realized by the following technical scheme:

grinding the main raw materials, adding a transparent substance, uniformly stirring, pressing and forming, maintaining, grinding and polishing to obtain the transparent geopolymer.

Further, the main raw materials comprise waste glass powder, waste incineration bottom ash, fly ash, river sand, stainless steel slag, aluminum mud, fuming slag, volatile kiln slag, blast furnace slag, metakaolin and the like.

Furthermore, the addition amount of the main raw materials is one or more than one of the main raw materials, and the content is 20-70%.

Further, the transparent substance is fiber, glass, microcrystalline glass and plastic.

Furthermore, the adding amount of the transparent substance is 0-50%.

Further, the method comprises the following steps:

(1) mixing materials: ball-milling main geopolymer raw materials and mixing the raw materials according to a certain proportion;

(2) mixing and stirring: adding an alkaline activator solution, mixing and stirring with the mixed materials;

(3) transparentizing: adding transparent substance and mixing with geopolymer to obtain mixture

(4) Molding: pressing and molding the mixture in a mold;

(5) gas evolution: standing the geopolymer mixture in a vacuum environment for 0-3 h;

(6) and (5) maintenance: curing for 0-40 h at the temperature of 10-100 ℃ and the humidity of 30-99%

(7) And (5) grinding and polishing to obtain the transparent geopolymer.

Further, the alkali-activator is water glass.

Furthermore, the 7d compressive strength of the prepared transparent geopolymer is 50-90 MPa. The beneficial effects of the invention comprise the following:

(1) the method has simple process, and the raw materials can use solid waste, thus having environmental protection benefit.

(2) The transparent geopolymer allows partial light to pass through, enriches the interior decoration material, and can improve the indoor lighting condition when applied indoors.

(3) Compared with other building materials, the product of the invention has strong pressure resistance, high temperature resistance, acid and alkali resistance, and can better meet the market demand.

Detailed Description

The patent is further illustrated by, but is not limited to, the following examples.

Example 1

The main raw materials are waste glass powder, waste incineration bottom ash and fly ash, and the contents of the waste glass powder, the waste incineration bottom ash and the fly ash are respectively 10%, 30% and 30%. Ball milling, adding water glass, adding microcrystalline glass with the content of 30%, and mixing to obtain a mixture. Pressing and molding in a mold, and curing at 80 ℃ and 80% humidity for 36 h. The 7d compressive resistance is 80 MPa.

Example 2

The main raw materials are garbage incineration bottom ash and fly ash, and the contents of the garbage incineration bottom ash and the fly ash are respectively 30% and 30%. Ball milling, adding water glass, adding 40% fiber, and mixing to obtain mixture. Pressing and molding in a mold, and curing at 80 ℃ and 80% humidity for 23 h. The 7d compressive resistance is 60 MPa.

Example 3

The main raw material is fly ash, and the content of the fly ash is 60 percent. Ball milling, adding water glass, adding plastic with the content of 40%, and mixing to obtain a mixture. Pressing and molding in a mold, and curing for 36 hours at the temperature of 70 ℃ and the humidity of 70%. The 7d compressive resistance is 60 MPa.

Example 4

The main raw materials are waste glass powder, waste incineration bottom ash, fly ash and river sand, and the contents of the waste glass powder, the waste incineration bottom ash, the fly ash and the river sand are respectively 10%, 30% and 10%. Ball milling, adding water glass, adding microcrystalline glass with the content of 20%, and mixing to obtain a mixture. Pressing and molding in a mold, and curing for 36 hours at the temperature of 80 ℃ and the humidity of 80%. The 7d compressive resistance is 70 MPa.

Example 5

The main raw materials are garbage incineration bottom ash, fly ash and river sand, and the contents of the main raw materials are 30%, 30% and 10% respectively. Ball milling, adding water glass, adding 30% of fiber, and mixing to obtain a mixture. Pressing and molding in a mold, and curing for 36 hours at the temperature of 70 ℃ and the humidity of 70%. The 7d compressive resistance was 55 MPa.

The Cl content was 10%.

Example 6

The main raw materials are fly ash and river sand, and the content of the fly ash and the river sand is respectively 30% and 40%. Ball milling, adding water glass, adding plastic with the content of 30%, and mixing to obtain a mixture. Pressing and molding in a mold, and curing at 70 ℃ and 60% humidity for 24 h. The 7d compressive resistance is 60 MPa.

Example 7

The main raw materials are fly ash, river sand and stainless steel slag, and the content of the fly ash, the river sand and the stainless steel slag is respectively 30%, 20% and 20%. Ball milling, adding water glass, adding microcrystalline glass with the content of 30%, and mixing to obtain a mixture. Pressing and molding in a mold, and curing for 36h at the temperature of 40 ℃ and the humidity of 60%. The 7d compressive resistance is 65 MPa.

Example 8

The main raw materials are fly ash and stainless steel slag, and the content of the fly ash and the content of the stainless steel slag are respectively 30% and 30%. Ball milling, adding water glass, adding 40% fiber, and mixing to obtain mixture. Pressing and molding in a mold, and curing for 32 hours at the temperature of 50 ℃ and the humidity of 50%. The 7d compressive resistance is 60 MPa.

Example 9

The main raw materials are river sand and stainless steel slag, and the contents of the raw materials are 40% and 30% respectively. Ball milling, adding water glass, adding plastic with the content of 30%, and mixing to obtain a mixture. Pressing and molding in a mold, and curing for 32 hours at the temperature of 50 ℃ and the humidity of 50%. The 7d compressive resistance is 65 MPa.

Example 10

The main raw materials are river sand, aluminum mud and stainless steel slag, and the contents of the raw materials are respectively 30%, 20% and 20%. Ball milling, adding water glass, adding microcrystalline glass with the content of 30%, and mixing to obtain a mixture. Pressing and molding in a mold, and curing for 36h at the temperature of 40 ℃ and the humidity of 60%. The 7d compressive resistance is 60 MPa.

Example 11

The main raw materials are river sand and aluminum mud, and the content of the river sand and the aluminum mud is 40% and 30% respectively. Ball milling, adding water glass, adding 30% of fiber, and mixing to obtain a mixture. Pressing and molding in a mold, and curing at 50 ℃ and 60% humidity for 24 h. The 7d compressive resistance is 50 MPa.

Example 12

The main raw materials are river sand, aluminum mud, stainless steel slag and fuming slag, and the contents of the raw materials are 20%, 10% and 20% respectively. Ball milling, adding water glass, adding plastic with the content of 30%, and mixing to obtain a mixture. Pressing and molding in a mold, and curing for 32 hours at the temperature of 60 ℃ and the humidity of 40%. The 7d compressive resistance is 70 MPa.

Example 13

The main raw materials are aluminum mud, stainless steel slag and fuming slag, and the contents of the aluminum mud, the stainless steel slag and the fuming slag are respectively 20%, 20% and 30%. Ball milling, adding water glass, adding microcrystalline glass with the content of 30%, and mixing to obtain a mixture. Pressing and molding in a mold, and curing for 36h at the temperature of 30 ℃ and the humidity of 30%. The 7d compressive resistance is 50 MPa.

Example 14

The main raw materials are aluminum mud, stainless steel slag and fuming slag, and the contents of the aluminum mud, the stainless steel slag and the fuming slag are respectively 20%, 30% and 30%. Ball milling, adding water glass, adding 20% of fiber, and mixing to obtain a mixture. Pressing and molding in a mold, and curing for 36 hours at the temperature of 80 ℃ and the humidity of 80%. The 7d compressive resistance is 75 MPa.

Example 15

The main raw materials are aluminum mud and slag, and the content of the aluminum mud and the slag is 30 percent and 40 percent respectively. Ball milling, adding water glass, adding plastic with the content of 30%, and mixing to obtain a mixture. Pressing and molding in a mold, and curing for 36h at the temperature of 50 ℃ and the humidity of 80%. The 7d compressive resistance is 65 MPa.

Example 16

The main raw material is aluminum mud, and the content of the aluminum mud is 60 percent. Ball milling, adding water glass, adding microcrystalline glass with the content of 40%, and mixing to obtain a mixture. Pressing and molding in a mold, and curing at 80 ℃ and 60% humidity for 12 h. The 7d compressive resistance is 60 MPa.

Example 17

The main raw material is waste incineration bottom ash, and the content of the waste incineration bottom ash is 70%. Ball milling, adding water glass, adding 30% of fiber, and mixing to obtain a mixture. Pressing and molding in a mold, and curing at 90 ℃ and 70% humidity for 24 h. The 7d compressive resistance is 50 MPa.

Example 18

The main raw materials are waste incineration bottom ash and aluminum sludge, and the contents of the waste incineration bottom ash and the aluminum sludge are respectively 40% and 30%. Ball milling, adding water glass, adding plastic with the content of 30%, and mixing to obtain a mixture. Pressing and molding in a mold, and curing for 6 hours at the temperature of 70 ℃ and the humidity of 40%. The 7d compressive resistance is 50 MPa.

Example 19

The main raw materials are waste incineration bottom ash and stainless steel slag, and the contents of the waste incineration bottom ash and the stainless steel slag are respectively 30% and 20%. Ball milling, adding water glass, adding crushed glass with the content of 50%, and mixing to obtain a mixture. Pressing and molding in a mold, and curing for 32 hours at the temperature of 60 ℃ and the humidity of 30%. The 7d compressive resistance is 50 MPa.

Example 20

The main raw materials are waste glass powder and stainless steel slag, and the contents of the waste glass powder and the stainless steel slag are respectively 30% and 30%. Ball milling, adding water glass, adding 40% fiber, and mixing to obtain mixture. Pressing and molding in a mold, and curing for 36 hours at the temperature of 80 ℃ and the humidity of 80%. The 7d compressive resistance is 60 MPa.