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Foamed ceramic plate based on Muyu stone tailings and preparation method thereof

A technology of foamed ceramic plates and foamed ceramics, which is applied in the field of green building materials and building energy conservation, can solve problems such as limiting effective applications, and achieve the effects of eliminating adverse effects, good decorative effects, and uniform pore size distribution

Pending Publication Date: 2021-01-29
WUHAN UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there is currently no report on the use of Muyushi tailings to prepare foamed ceramics, and the high Fe content in Muyushi tailings 2 o 3 content limits its effective application in ceramic sintered products

Method used

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  • Foamed ceramic plate based on Muyu stone tailings and preparation method thereof
  • Foamed ceramic plate based on Muyu stone tailings and preparation method thereof
  • Foamed ceramic plate based on Muyu stone tailings and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0039] A foamed ceramic plate for architectural decoration based on Muyushi tailings, the preparation method of which comprises the following steps:

[0040] 1) Raw material ball milling: According to the ratio of material to ball of 1:2, ball mill Muyushi tailings, quartz, feldspar, and foaming agent for 2 hours respectively, and sieve to obtain the ball-milled raw materials; among them, Muyushi tailings are passed through a 270-mesh sieve, Quartz and feldspar pass through a 325-mesh sieve, and the foaming agent passes through a 500-mesh sieve;

[0041] 2) Mixing of raw materials: The raw materials are mixed according to mass percentage: 60% of Muyushi tailings, 20% of quartz, 19.7% of potassium feldspar, and 0.3% of silicon carbide, weighed, mixed with a ball mill for 1 hour, and the mixed material is obtained for later use;

[0042] 3) Body molding: Fill the mixed blank into a steel mold conforming to the predetermined shape of the product, and press it into a foamed cerami...

Embodiment 2

[0052] A foamed ceramic plate for architectural decoration based on Muyushi tailings, the preparation method of which comprises the following steps:

[0053] 1) Raw material ball milling: according to the ratio of material to ball of 1:2, ball mill Muyushi tailings, quartz, feldspar, and foaming agent for 1 hour respectively, and sieve to obtain the ball-milled raw materials; among them, Muyushi tailings are passed through a 200-mesh sieve, Quartz and feldspar pass through a 325-mesh sieve, and the foaming agent passes through a 600-mesh sieve;

[0054] 2) Mixing of raw materials: each raw material is mixed according to mass percentage: 85% of Muyushi tailings, 9% of quartz, 5.5% of albite, 0.5% of carbon black, weighed, and mixed with a ball mill for 0.5h to obtain the mixed material for later use;

[0055] 3) Body molding: Fill the mixed blank into a steel mold that conforms to the predetermined shape of the product, and press it into a foamed ceramic body with a molding pre...

Embodiment 3

[0062] A kind of foamed ceramic plate based on Muyushi tailings, its preparation method comprises the following steps:

[0063] 1) Ball milling of raw materials: According to the material-to-ball ratio of 1:2, ball mill Muyushi tailings, quartz, feldspar, and foaming agent for 1.5 hours respectively, and sieve to obtain ball-milled raw materials; among them, Muyushi tailings are passed through a 250-mesh sieve , quartz and feldspar pass through a 350-mesh sieve, and the foaming agent passes through a 500-mesh sieve;

[0064] 2) Mixing of raw materials: The raw materials are mixed according to mass percentage: 70% of Muyushi tailings, 9.6% of quartz, 20% of feldspar, and 0.4% of pulverized coal, weighed, and mixed with a ball mill for 0.8h to obtain the mixed material for later use. Wherein, feldspar is made up of potassium feldspar and albite by mass percentage 1:1;

[0065] 3) Body molding: Fill the mixed blank into a steel mold conforming to the predetermined shape of the p...

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Abstract

The invention discloses foamed ceramic based on Muyu stone tailings. The foamed ceramic comprises the following components in percentage by mass: 60-85% of the Muyu stone tailings, 9-20% of quartz, 5-25% of feldspar and 0.1-0.4% of a foaming agent. The Muyu stone tailings are used as a main raw material, various low-grade raw materials are used as auxiliary materials, and the formula composition and the preparation process are optimally designed, so that the mechanical properties and the thermal insulation property of the obtained foamed ceramic product can be effectively considered. The obtained foamed ceramic has the advantages of being high in closed porosity, good in decorative effect, good in heat preservation, heat insulation and fireproof performance and the like, high-additional-value utilization of the high-doping-amount muyu stone tailings can be achieved, and remarkable environmental and economic benefits are achieved.

Description

technical field [0001] The invention belongs to the technical field of green building materials and building energy saving, and in particular relates to a foamed ceramic plate based on Muyushi tailings and a preparation method thereof. Background technique [0002] Muyu stone is a kind of hollow ore, the main component is limonite, which has high medical value and collection value. Muyushi tailings are solid wastes discharged after mining, cutting, carving and grinding of Muyushi deposits. Pile up in large quantities not only occupy land, but also cause serious pollution to the ecological environment. At present, in addition to collecting and playing, medical, edible and household use, Muyu stone is also used as ceramic tiles and purple sand tea sets. For example, the Chinese invention patent "A Muyu Stone Ceramic Brick and Its Preparation Method" (CN103936404B) discloses a method for preparing ceramic tiles with health care functions using Muyu Stone, silicon micropowder, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B35/18C04B38/06C04B38/02C04B41/86C03C8/14
CPCC04B35/18C04B38/068C04B41/86C04B41/5022C03C8/14C04B2235/3418C04B2235/3463C04B2235/3826C04B2235/424C04B2235/9607C04B38/02C04B38/0061C04B38/0074C04B38/0067
Inventor 徐晓虹张亚祥吴建锋
Owner WUHAN UNIV OF TECH
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