CN104098316A

CN104098316A - High temperature resistant air-added brick and preparation method thereof

Info

Publication number: CN104098316A
Application number: CN201410271956.5A
Authority: CN
Inventors: 盛蕾; 盛志义
Original assignee: CHIZHOU XINLEI GREEN BUILDING MATERIAL Co Ltd
Current assignee: CHIZHOU XINLEI GREEN BUILDING MATERIAL Co Ltd
Priority date: 2014-06-18
Filing date: 2014-06-18
Publication date: 2014-10-15
Anticipated expiration: 2034-06-18
Also published as: CN104098316B

Abstract

A high temperature resistant air-added brick is prepared from the following raw materials in parts by weight: 3-5 parts of titanium slag, 7-9 parts of boiling slag, 0.5-1 part of polytetrafluoroethylene micro powder, 0.4-0.7 part of sodium gluconate, 0.2-0.4 part of triethanolamine, 1-1.5 parts of sodium carbonate, 5-10 parts of glass flake, 9-12 parts of cement, 12-15 parts of quicklime, 9-11 parts of modified rice hull, 6-8 parts of gypsum, 45-50 parts of coal ash, 5-6 parts of air-added aluminium powder and a proper amount of water. According to the air-added brick, through the use of the titanium slag, the boiling slag and the glass flake, the strength of the air-added brick is high, and the high temperature resistance, the water resistance and the fire resistance are good; through the use of the modified rice hull, the heat insulation effect is improved, the water resistance is good, the weight is reduced, the seismic resistance is improved, and meanwhile the water reducing effect is good.

Description

A kind of high temperature resistant aerated bricks and preparation method thereof

Technical field

The invention belongs to brick field, relate in particular to a kind of high temperature resistant aerated bricks and preparation method thereof.

Background technology

Aerated bricks is also called air-entrained concrete building block, application very extensively, be mainly used in load-bearing walling and non-bearing material and the filling enclosure walls around such as materials for wall, infilled wall, floor and roof boarding in mechanical factory building and covil construction.

Aerated bricks has become the leading product of building material industry at present, and country has progressively banned use of clay solid brick, is exactly instead air-entrained concrete building block gradually, autoclaved brick.

That aerated bricks has is lightweight, thermal and insulating performance good, shock resistance is strong, good processability, have certain high thermal resistance, good, the adaptable feature of sound-proofing properties, can be according to the different starting material in locality, different condition comes amount body surely to make, starting material wide material sources, can select river sand, flyash, ore in sand form etc., suit measures to local conditions, can be salvaged, environmental, really turn waste into wealth.

But the development along with building trade, buildings is more and more higher, moulding is more and more peculiar, the requirements such as the intensity of aerated bricks, density, shrinkage value, frost resistance are all increased, improving constantly along with people's living standard in addition, requirement to environment is also more and more higher, and the heat-insulating property of buildings, sound absorption qualities, radioactivity are had to higher requirement, even requires buildings to have the performance of body health benefits, therefore as required, develop the aerated bricks of excellent performance more imperative.

Summary of the invention

The object of the present invention is to provide a kind of high temperature resistant aerated bricks and preparation method thereof, this aerated bricks intensity is high and high temperature resistant, water tolerance and resistivity against fire good.

Technical scheme of the present invention is as follows:

A high temperature resistant aerated bricks, is characterized in that being made by the raw material of following weight part: titanium slag 3-5, boiling furnace slag 7-9, ptfe micropowder 0.5-1, Sunmorl N 60S 0.4-0.7, trolamine 0.2-0.4, soda ash 1-1.5, glass flake 5-10, cement 9-12, unslaked lime 12-15, modification rice husk 9-11, gypsum 6-8, flyash 45-50, aerating aluminium powder 5-6, water are appropriate;

Described modification rice husk is made by the raw material of following weight part: rice husk 13-15, S-WAT 0.5-0.7, far infrared ceramic powder 1-2, allyl oenanthate 0.5-0.7, glyoxal ethyline 0.1-0.2, aromatic urethane acrylate 1-2, Hydroxyethyl acrylate 1-2, high-efficiency water-reducing agent of poly-carboxylic acid 1-2, glass powder 1-2, ammonium persulphate 0.01-0.02, alginate calcium 0.4-0.7, nepheline powder 1-2, three red oily 0.5-0.7, sewer oil 2-3; Making method is: powdered rice hulls is broken into 50-100 order particle, sprays into while stirring three red oil, sewer oil, mix rear placement 5-7 hour, then mix with other remaining components, be heated to 75-80 ℃, dispersion grinding 30-40 minute, obtains.

The preparation method of described high temperature resistant aerated bricks, is characterized in that comprising the following steps:

(1) cement, unslaked lime, gypsum, flyash, titanium slag, boiling furnace slag are mixed, send into grinding in ball grinder and become 50-100 order particle, mix with the composition except aerating aluminium powder again, by ratio of water to material, be that 0.57-0.58 adds water, stir, add again aerating aluminium powder, stir and obtain slurry;

(2) slurry (1) step being obtained is poured in mould, obtains brick idiosome;

(3) brick idiosome is put into steam-cured still and vacuumize, then in 1.7-1.9 hour, pass into equably steam, make steam-cured indoor temperature rise to 170-180 ℃, pressure reaches 11-13MPa, keeps constant 9-12 hour;

(4) in 1.7-1.9 hour, let off steam equably, steam-cured indoor temperature is down to below 70 ℃, go out still, place 28-30 days and get final product.

Beneficial effect of the present invention

Aerated bricks of the present invention is by being used titanium slag, boiling furnace slag, glass flake, make the intensity of aerated bricks high and high temperature resistant, water tolerance and resistivity against fire good; By using modification rice husk, strengthened effect of heat insulation, water-tolerant, has alleviated weight, has increased anti-seismic performance, and water-reducing effect is good simultaneously.

Embodiment

A high temperature resistant aerated bricks, by following weight part (kilogram) raw material make: titanium slag 4, boiling furnace slag 8, ptfe micropowder 0.8, Sunmorl N 60S 0.5, trolamine 0.3, soda ash 1.3, glass flake 7, cement 11, unslaked lime 14, modification rice husk 10, gypsum 7, flyash 47, aerating aluminium powder 5.5, water are appropriate;

Described modification rice husk by following weight part (kilogram) raw material make: rice husk 14, S-WAT 0.6, far infrared ceramic powder 1.6, allyl oenanthate 0.6, glyoxal ethyline 0.1, aromatic urethane acrylate 1.5, Hydroxyethyl acrylate 1.5, high-efficiency water-reducing agent of poly-carboxylic acid 1.5, glass powder 1.5, ammonium persulphate 0.01, alginate calcium 0.6, nepheline powder 1.6, three red oil 0.6, sewer oil 2.6; Making method is: powdered rice hulls is broken into 80 order particles, sprays into while stirring three red oil, sewer oil, mix rear placement 6 hours, then mix with other remaining components, be heated to 77 ℃, dispersion grinding 35 minutes, obtains.

The preparation method of described high temperature resistant aerated bricks, comprises the following steps:

(1) cement, unslaked lime, gypsum, flyash, titanium slag, boiling furnace slag are mixed, send into grinding in ball grinder and become 70 order particles, then mix with the composition except aerating aluminium powder, by ratio of water to material, be 0.57 to add water, stir, then add aerating aluminium powder, stir and obtain slurry;

(2) slurry (1) step being obtained is poured in mould, obtains brick idiosome;

(3) brick idiosome is put into steam-cured still and vacuumize, then in 1.8 hours, pass into equably steam, make steam-cured indoor temperature rise to 175 ℃, pressure reaches 12MPa, keeps constant 11 hours;

(4) in 1.8 hours, let off steam equably, make steam-cured indoor temperature be down to 70 ℃, go out still, place 29 days and get final product.

Experimental data:

The density of this aerated bricks is 600kg/m3, refractory temperature is 700 ℃, thermal conductivity is 0.12W/(m ℃), adopt showerhead respectively to the thick clay tile wall of 240mm and aerating brick wall spray, clay tile wall all soaked into after 12 hours, the aerating brick wall spray degree of depth that seeps water after 72 hours is 90mm, and ultimate compression strength is 6.7Mpa, sound absorption coefficient 0.35.

Claims

1. a high temperature resistant aerated bricks, is characterized in that being made by the raw material of following weight part: titanium slag 3-5, boiling furnace slag 7-9, ptfe micropowder 0.5-1, Sunmorl N 60S 0.4-0.7, trolamine 0.2-0.4, soda ash 1-1.5, glass flake 5-10, cement 9-12, unslaked lime 12-15, modification rice husk 9-11, gypsum 6-8, flyash 45-50, aerating aluminium powder 5-6, water are appropriate;

2. the preparation method of high temperature resistant aerated bricks according to claim 1, is characterized in that comprising the following steps:

(2) slurry (1) step being obtained is poured in mould, obtains brick idiosome;