CN105272133A - High-shock resistance aerated building block and making method thereof - Google Patents

Abstract

The invention discloses a high-shock resistance aerated building block and a making method thereof. The high-shock resistance aerated building block is made from, by weight, 19-33 parts of cement furnace slag, 17-29 parts of desert sand, 15-25 parts of spinel, 12-18 parts of slaked lime, 26-38 parts of waste brown fused alumina powder, 33-46 parts of magnesium oxychloride cement, 18-27 parts of porous ceramsite, 9-16 parts of bauxite, 14-22 parts of zirconium silicate powder, 18-26 parts of spodumene, 10-15 parts of aluminum titanate fibers, 22-34 parts of ash calcium powder, 8-14 parts of aramid fibers, 6-9 parts of bone gelatin powder, 3-5 parts of calcium carbide powder and a proper amount of water. The waste brown fused alumina powder, the aluminum titanate fibers, the aramid fibers and other raw materials added in the invention can substantially improve the shock resistance and the impact resistance of the aerated building block, and effectively prolong the service life of the aerated building block. The aerated building block made in the invention has the advantages of large strength, good impact resistance, high shock resistance, realization of shock resistance grade reaching 9 or above grade, good weatherability, good heat insulation property, good ageing cracking resistance and durability.

Description

A kind of high anti-seismic aerated-block and preparation method thereof

Technical field

The present invention relates to a kind of high anti-seismic aerated-block and preparation method thereof, belong to building material field.

Background technology

Aerated-block is a kind of energy-conservation, joint soil, sharp useless novel wall material, there is light weight, heat-insulation and heat-preservation, sound absorption sound insulation, antidetonation, fire prevention, can saw, can dig, can follow closely, easy construction and the advantages such as buildings usable floor area can be increased, and to be widely used in civilian and public various building.Along with the fast development of China's building trade and improving constantly of people's living standard, more and more higher to the performance requriements of aerated-block, but the anti-seismic performance of traditional aerated-block more and more cannot meet the demand in market, therefore, a kind of high anti-seismic aerated-block of exploitation is badly in need of.

Summary of the invention

The object of the present invention is to provide a kind of high anti-seismic aerated-block and preparation method thereof.

For achieving the above object, the present invention adopts following technical scheme:

A kind of high anti-seismic aerated-block, is made up of the raw material of following weight part: cement slag 19-33, Desert Sand 17-29, spinel 15-25, slaked lime 12-18, discarded brown alundum powder 26-38, magnesia oxychloride cement 33-46, porous ceramic grain 18-27, red bauxite 9-16, zirconium English powder 14-22, triphane 18-26, aluminium titanates fibre 10-15, sierozem power 22-34, aramid fiber 8-14, gelatine powder 6-9, calcium carbide powder 3-5, water are appropriate;

The preparation method of described porous ceramic grain is as follows: a, in mass ratio 6-9:3-5:2-4 take Titanium slag, pearlite tail sand, glass cullet, mix, and pulverizes, and crosses 300-500 mesh sieve; B, in mass ratio 5-7:2-4:1-2 take flyash, natural zeolite, malthacite, mix, and pulverize, and cross 200-400 mesh sieve, add the water being equivalent to mixed powder weight 3-5 times amount, wet ball grinding 2-3h, dry; The sodium bicarbonate being equivalent to the spent pulping liquor of the powder weight 25-35% that step a obtains, the ammonium nitrite of 4-8% and 2-4% is added in c, the powder that obtains to step a, mix, wet granulation, size controlling is at 0.3-0.6mm, then microwave agglomerating furnace is put into, microwave heating is to 510-560 DEG C, and insulation 30-40min, is cooled to normal temperature; D, in mass ratio 2-4:1 take powder that step b obtains and the obtained particle of step c, mix, then add the attapulgite and appropriate water that are equivalent to mixture weight 18-24%, mix, wet granulation, size controlling, at 0.8-1.2mm, then puts into retort furnace, with the ramp of 5-7 DEG C/min to 860-890 DEG C, insulation 0.5-1h, again with the ramp of 3-5 DEG C/min to 1180-1260 DEG C, insulation 1-2h, be cooled to normal temperature.

The homemade porous ceramics of the present invention is made with raw materials such as Titanium slag, pearlite tail sand, glass cullet, flyash, natural zeolite, malthacites, and have pore and enrich, intensity is high; fire-resistant; withstand voltage, the advantages such as acid-alkali-corrosive-resisting, are applied to aerated-block; not only can improve mechanical property and the refractoriness of aerated-block; can also improve heat insulation property and the sound insulating and absorbing of aerated-block, and raw material sources are extensive, technique is simple; with low cost, mass-producing can be applied to aerated-block.

A preparation method for high anti-seismic aerated-block, is made up of the following step:

(1) get cement slag and spinel mixes, pulverize, mix after crossing 80-120 mesh sieve with discarded brown alundum powder, zirconium English powder, aluminium titanates fibre, stirring 3-4min, obtains compound A;

(2) get Desert Sand and triphane mixes, pulverize, mix after crossing 100-150 mesh sieve with sierozem power, red bauxite, aramid fiber, stirring 2-3min, obtains compound B;

(3) above-mentioned obtained compound A and compound B is mixed, and add calcium carbide powder, porous ceramic grain, magnesia oxychloride cement, gelatine powder while stirring successively, stir rear injection mould, and add the water content of appropriate water to compound to 40-50%, get angry 30-40min;

(4) mould is put into curing room 50-60 DEG C vapor cure, get product.

Beneficial effect of the present invention:

The raw material such as discarded brown alundum powder, aluminium titanates fibre aramid fiber that the present invention adds, can significantly improve antidetonation and the anti-impact force performance of aerated-block, effectively extends the work-ing life of aerated-block.The aerated-block intensity that the present invention obtains is large, and good impact resistance, high anti-seismic, seismic behavior reaches more than nine grades, and has good weathering resistance, heat insulation property and anti-aging cracking behavior, durable in use.

Embodiment

A kind of high anti-seismic aerated-block, is made up of the raw material of following weight (kg): cement slag 26, Desert Sand 23, spinel 20, slaked lime 16, discarded brown alundum powder 33, magnesia oxychloride cement 41, porous ceramic grain 24, red bauxite 12, zirconium English powder 18, triphane 22, aluminium titanates fibre 14, sierozem power 29, aramid fiber 12, gelatine powder 8, calcium carbide powder 4, water are appropriate;

The preparation method of described porous ceramic grain is as follows: a, in mass ratio 7:4:3 take Titanium slag, pearlite tail sand, glass cullet, mix, and pulverizes, and crosses 400 mesh sieves; B, in mass ratio 6:3:2 take flyash, natural zeolite, malthacite, mix, and pulverize, and cross 300 mesh sieves, add the water being equivalent to mixed powder weight 4 times amount, wet ball grinding 2.5h, dry; Add in c, the powder that obtains to step a be equivalent to step a and obtain the spent pulping liquor of powder weight 30%, the ammonium nitrite of 6% and 3% sodium bicarbonate, mix, wet granulation, size controlling is at 0.4mm, then microwave agglomerating furnace is put into, microwave heating to 540 DEG C, insulation 35min, is cooled to normal temperature; D, in mass ratio 2-4:1 take powder that step b obtains and the obtained particle of step c, mix, then add the attapulgite and appropriate water that are equivalent to mixture weight 22%, mix, wet granulation, size controlling, at 1.0mm, then puts into retort furnace, with the ramp to 880 DEG C of 6 DEG C/min, insulation 0.5h, again with the ramp to 1210 DEG C of 4 DEG C/min, insulation 1h, is cooled to normal temperature.

A preparation method for high anti-seismic aerated-block, is made up of the following step:

(1) get cement slag and spinel mixes, pulverize, mix after crossing 80-120 mesh sieve with discarded brown alundum powder, zirconium English powder, aluminium titanates fibre, stirring 3-4min, obtains compound A;

(2) get Desert Sand and triphane mixes, pulverize, mix after crossing 100-150 mesh sieve with sierozem power, red bauxite, aramid fiber, stirring 2-3min, obtains compound B;

(3) above-mentioned obtained compound A and compound B is mixed, and add calcium carbide powder, porous ceramic grain, magnesia oxychloride cement, gelatine powder while stirring successively, stir rear injection mould, and add the water content of appropriate water to compound to 40-50%, get angry 30-40min;

(4) mould is put into curing room 50-60 DEG C vapor cure, get product.

The aerated-block that above-described embodiment obtains salient features detect see the following form:

Project	Unit	Detected result
			Cold crushing strength	Mpa	7.4
Drying shrinkage value	mm/m	0.4
			Thermal conductivity	W/m.K	0.09
Seismic behavior	Level	11

Claims (2)

1. a high anti-seismic aerated-block, it is characterized in that, be made up of the raw material of following weight part: cement slag 19-33, Desert Sand 17-29, spinel 15-25, slaked lime 12-18, discarded brown alundum powder 26-38, magnesia oxychloride cement 33-46, porous ceramic grain 18-27, red bauxite 9-16, zirconium English powder 14-22, triphane 18-26, aluminium titanates fibre 10-15, sierozem power 22-34, aramid fiber 8-14, gelatine powder 6-9, calcium carbide powder 3-5, water are appropriate;

The preparation method of described porous ceramic grain is as follows: a, in mass ratio 6-9:3-5:2-4 take Titanium slag, pearlite tail sand, glass cullet, mix, and pulverizes, and crosses 300-500 mesh sieve; B, in mass ratio 5-7:2-4:1-2 take flyash, natural zeolite, malthacite, mix, and pulverize, and cross 200-400 mesh sieve, add the water being equivalent to mixed powder weight 3-5 times amount, wet ball grinding 2-3h, dry; The sodium bicarbonate being equivalent to the spent pulping liquor of the powder weight 25-35% that step a obtains, the ammonium nitrite of 4-8% and 2-4% is added in c, the powder that obtains to step a, mix, wet granulation, size controlling is at 0.3-0.6mm, then microwave agglomerating furnace is put into, microwave heating is to 510-560 DEG C, and insulation 30-40min, is cooled to normal temperature; D, in mass ratio 2-4:1 take powder that step b obtains and the obtained particle of step c, mix, then add the attapulgite and appropriate water that are equivalent to mixture weight 18-24%, mix, wet granulation, size controlling, at 0.8-1.2mm, then puts into retort furnace, with the ramp of 5-7 DEG C/min to 860-890 DEG C, insulation 0.5-1h, again with the ramp of 3-5 DEG C/min to 1180-1260 DEG C, insulation 1-2h, be cooled to normal temperature.

2. the preparation method of high anti-seismic aerated-block according to claim 1, is characterized in that, be made up of the following step:

(1) get cement slag and spinel mixes, pulverize, mix after crossing 80-120 mesh sieve with discarded brown alundum powder, zirconium English powder, aluminium titanates fibre, stirring 3-4min, obtains compound A;

(2) get Desert Sand and triphane mixes, pulverize, mix after crossing 100-150 mesh sieve with sierozem power, red bauxite, aramid fiber, stirring 2-3min, obtains compound B;

(3) above-mentioned obtained compound A and compound B is mixed, and add calcium carbide powder, porous ceramic grain, magnesia oxychloride cement, gelatine powder while stirring successively, stir rear injection mould, and add the water content of appropriate water to compound to 40-50%, get angry 30-40min;

(4) mould is put into curing room 50-60 DEG C vapor cure, get product.