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Building material with ardealite matrix and production method thereof

A technology of building materials and phosphogypsum, which is applied in the field of building materials, can solve the problems of high energy consumption and complicated operation, and achieve the effects of reasonable raw material ratio, simple preparation method, and reduced adverse effects

Inactive Publication Date: 2019-06-07
SICHUAN UNIVERSITY OF SCIENCE AND ENGINEERING
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The technical problem solved by the present invention is to provide a building material based on phosphogypsum, which solves the problems of complex operation and high energy consumption in the prior art when using phosphogypsum as a building material

Method used

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  • Building material with ardealite matrix and production method thereof
  • Building material with ardealite matrix and production method thereof
  • Building material with ardealite matrix and production method thereof

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Experimental program
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Embodiment 1

[0035] This embodiment discloses the raw material composition of the building material of the present invention, specifically as shown in Table 1:

[0036] Table 1

[0037]

[0038] Among them, the composition of the water-retaining agent corresponding to each number is shown in Table 2:

[0039] Table 2

[0040]

Embodiment 2

[0042] This embodiment discloses the preparation method of building material of the present invention, adopts the raw material of No. 1 in Table 1, and its preparation method is specifically:

[0043] Step 1. Mix phosphogypsum and gold tailing sand evenly to obtain the first mixture, then age for 5 days to make the pH value of the first mixture greater than or equal to 7, then use a ball mill to grind through a 300-mesh sieve, and set aside;

[0044] Step 2. Stir and mix nano-silica, rubber, multi-walled carbon nanotubes, and water-retaining agent evenly to obtain a second mixture;

[0045] Step 3. Add the second mixture to the pulverized first mixture, stir, mix evenly, pack, and obtain the finished product, marked as A1.

Embodiment 3

[0047] This embodiment discloses the preparation method of building material of the present invention, adopts the raw material of number 2 in Table 1, and its preparation method is specifically:

[0048] Step 1. Mix phosphogypsum and gold tailing sand evenly to obtain the first mixture, then age for 7 days to make the pH value of the first mixture greater than or equal to 7, then use a ball mill to grind through a 300-mesh sieve, and set aside;

[0049] Step 2. Stir and mix nano-silica, rubber, multi-walled carbon nanotubes, and water-retaining agent evenly to obtain a second mixture;

[0050] Step 3. Add the second mixture to the pulverized first mixture, stir, mix evenly, pack, and obtain the finished product, marked as A2.

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Abstract

The invention discloses a building material with an ardealite matrix and a production method thereof. The building material with the ardealite matrix is produced from the following raw materials of, in parts by weight, 200-400 parts of ardealite, 1-10 parts of nanosilicon dioxide, 10-20 parts of rubber, 1-10 parts of multiwalled carbon nanotubes, 50-150 parts of gold mine tailings and 1-10 parts of water-retaining agent. The production method of the building material with the ardealite matrix comprises the steps of mixing the ardealite and the gold mine tailings evenly, and then ageing a mixture for a period of time; and stirring and mixing the nanosilicon dioxide, the rubber, the multiwalled carbon nanotubes and the water-retaining agent evenly, then mixing a mixture and the aged material, and packaging a mixture to obtain a finished product. According to the building material with the ardealite matrix and the production method thereof, raw material proportioning is reasonable and scientific, the production method is simple, operation is simple and convenient, and the obtained product has good application property, initial dry cracking resistance, water resistance and flexibilityand high bonding strength.

Description

technical field [0001] The invention belongs to the technical field of building materials, and in particular relates to a building material with a phosphogypsum matrix and a preparation method thereof. Background technique [0002] Phosphogypsum is a by-product of phosphate fertilizer production, and its emissions are increasing year by year. A large amount of phosphogypsum not only occupies land resources, increases the burden on enterprises, but also causes certain pollution to the environment; at the same time, it in turn restricts the development of the phosphate fertilizer industry. In order to effectively process and utilize phosphogypsum to reduce its pressure on the environment, the use of phosphogypsum as a building material has been developed to a certain extent. [0003] In the prior art, there are many reports on utilizing phosphogypsum to make putty for walls. For example, the "preparation method of a high-strength wall putty" of the patent number CN107337953A...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/14C04B111/27
Inventor 王毅恒
Owner SICHUAN UNIVERSITY OF SCIENCE AND ENGINEERING
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