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Microcrystalline foamed wall block prepared by using polishing powder and preparation method thereof

A technology of microcrystalline foaming and polishing powder, used in applications, household appliances, clay products, etc., can solve the problems of poor thermal insulation performance, inability to withstand high temperature for a long time, hidden dangers, etc., achieve excellent fire resistance and flame retardant performance, improve regeneration The effect of utilization rate and production cost reduction

Inactive Publication Date: 2019-12-13
洛阳北玻轻晶石技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It is well known that the flame retardancy of organic materials is very poor. In the event of a fire, not only will it not form a fire-resistant carbonized layer structure, but it will also cause the fire to spread. Therefore, using organic materials as external wall insulation materials has great potential safety hazards.
Inorganic thermal insulation materials have better fire resistance than organic materials. They do not burn or spread in the initial stage of a fire, but they cannot withstand high temperatures for a long time. For example, glass wool becomes brittle and pulverized above 350°C, and rock wool begins to pulverize above 650°C. Ineffective protection of buildings during fire
[0006] Compared with glass wool and rock wool, foamed ceramics in inorganic thermal insulation materials have stronger fire resistance and can withstand high-temperature attacks for a longer period of time, but most of them have poor thermal insulation performance and cannot meet the requirements for external wall insulation in building energy conservation. demand

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0041] The method for preparing a microcrystalline foamed wall block by using polishing powder comprises the following steps:

[0042](1) In terms of weight percentage, take 72% of polishing powder, 5% of borax, 2% of sodium nitrate, 3% of soda ash, 3% of barium carbonate, 10% of calcite and 5% of talc and mix them thoroughly, then put them into the pool furnace , heat preservation and smelting at 1490°C for 1 hour to obtain a microcrystalline frit, and then crush the obtained microcrystalline frit into a powder with a particle size of 200 mesh.

[0043] (2) According to the parts by weight, take 75 parts of microcrystalline frit powder, 9 parts of kaolin, 11 parts of albite, 5 parts of dolomite powder, 5 parts of barium carbonate, and 0.5 parts of SiC for mixing to obtain a mixture .

[0044] (3) Set up a mold on the roller shaft of the roller kiln, and then arrange the mixture in the mold and scrape it flat. Control the temperature in the kiln to rise to 1145°C for 70 minut...

Embodiment 2

[0047] The method for preparing a microcrystalline foamed wall block by using polishing powder comprises the following steps:

[0048] (1) In terms of weight percentage, take 67% of polishing powder, 6% of albite feldspar, 4% of borax, 2% of sodium nitrate, 3% of soda ash, 3% of barium carbonate, 10% of calcite and 5% of talc for full mixing, Afterwards, put it into a pool furnace, heat-preserve and smelt at 1520°C for 1.2 hours to obtain a microcrystalline frit, and then crush the obtained microcrystalline frit into a powder with a particle size of 220 mesh.

[0049] (2) According to parts by weight, take 80 parts of microcrystalline frit powder, 10 parts of glass powder, 7 parts of calcite, 3 parts of dolomite powder, and 0.7 parts of SiC and mix them to obtain a mixture.

[0050] (3) Set up the mold on the roller shaft of the roller kiln, after that, arrange the mixture in the mould, and carry out scraping, control the temperature in the kiln to rise to 1150 ° C, heat prese...

Embodiment 3

[0053] The method for preparing a microcrystalline foamed wall block by using polishing powder comprises the following steps:

[0054] (1) In terms of weight percentage, take 68% of polishing powder, 12% of albite feldspar, 6% of alumina, 3% of borax, 2% of sodium nitrate, 3% of soda ash, 3% of barium carbonate and 3% of talc for thorough mixing , after that, put it into a pool furnace, heat-preserve and smelt at 1480°C for 0.9h to obtain a microcrystalline frit, and then crush the obtained microcrystalline frit into a powder with a particle size of 250 mesh.

[0055] (2) According to the parts by weight, take 85 parts of microcrystalline frit powder, 8 parts of kaolin, 5 parts of dolomite, 2 parts of barium carbonate, and 0.5 parts of SiC and mix them to prepare a mixture.

[0056] (3) Set up a mold on the roller shaft of the roller kiln, and then arrange the mixture in the mold and scrape it flat. Control the temperature in the kiln to rise to 1140 ° C for 90 minutes of heat...

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Abstract

The invention discloses a microcrystalline foamed wall block prepared by using polishing powder. The wall block is prepared from the following raw materials in parts by weight: 70-90 parts of microcrystalline frit, 12-25 parts of mineral raw materials and 2.5-10 parts of chemical raw materials; the microcrystalline frit is prepared from the following raw materials in percentage by mass: 60-80% ofpolishing powder, 15-25% of ore powder and 5-17% of ingredient powder. By adjusting the formula and improving the preparation process, the microcrystalline foamed wall block with significantly improved compressive strength, good thermal insulation performance and high fire resistance is prepared, and the requirements of building materials for energy saving, environmental protection, high strengthand fire protection can be better met.

Description

technical field [0001] The invention relates to the technical field of block production, in particular to a process for producing microcrystalline foamed wall blocks by using ceramic polishing waste slag as the main raw material. [0002] technical background [0003] With the gradual scarcity of world resources, the available resources are getting less and less, and the mining of raw ore is greatly restricted, so the production of building materials also needs to seek new sources of raw materials. Today, the amount of ceramic polishing waste in my country is extremely large, and polishing powder is piled up in the open air in ceramic factories everywhere, which not only pollutes the environment but also occupies land. If this part of solid waste can be recycled, it will have a negative impact on the environment and the production cost of building materials. There is a big improvement. [0004] With the continuous deepening of the basic principle of "conserving energy and rea...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E04C1/41C04B38/00C04B33/132C04B33/13C04B33/04B28B1/29B28B19/00
CPCB28B1/29B28B19/0092C04B33/04C04B33/13C04B33/1324C04B38/0067C04B2235/3201C04B2235/3208C04B2235/321C04B2235/3215C04B2235/3217C04B2235/3284C04B2235/3294C04B2235/3409C04B2235/3418C04B2235/3472C04B2235/3826E04C1/41Y02P40/60
Inventor 罗会成叶辉林贵彪
Owner 洛阳北玻轻晶石技术有限公司
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