CN105272092A - High-compressive strength aerated building block and making method thereof - Google Patents

Abstract

The invention discloses a high-compressive strength aerated building block and a making method thereof. The high-compressive strength aerated building block is made from, by weight, 27-43 parts of building wastes, 19-35 parts of granite wastes, 16-32 parts of electrolytic copper residues, 11-19 parts of basic aluminum chloride, 14-26 parts of baddeleyit, 12-18 parts of aluminum silicate fibers, 18-26 parts of porous ceramsite, 10-15 parts of silicon whisker, 17-31 parts of limestone, 5-10 parts of polyester propylene glycol, 16-28 parts of boron sludge, 14-22 parts of boiler ash, 28-39 parts of magnesium oxysulfate cement, 6-12 parts of polyvinylpyrrolidone, 4-5 parts of calcium carbide and a proper amount of water. The silicon whisker and the aluminum silicate fibers added in the invention can improve the mechanical performances of the aerated building block and improve the compressive strength, and the granite wastes, baddeleyit and other raw materials added in the invention can make the aerated building block have extremely strong chemical stability and have substantially improved acid, alkali and corrosion resistance. The aerated building block made in the invention has the advantages of high compressive strength, good heat stability, acid, alkali and corrosion resistance, and good heat insulation performance.

Description

A kind of high compressive strength aerated-block and preparation method thereof

Technical field

The present invention relates to a kind of high compressive strength 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 ultimate compression strength of traditional aerated-block more and more cannot meet the demand in market, therefore, a kind of high compressive strength 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 compressive strength aerated-block and preparation method thereof.

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

A kind of high compressive strength aerated-block, is made up of the raw material of following weight part: building waste 27-43, granite waste material 19-35, electrolysis copper ashes 16-32, aluminium chlorohydroxide 11-19, baddeleyite 14-26, aluminum silicate fiber 12-18, porous ceramic grain 18-26, silicon whisker 10-15, Wingdale 17-31, polyester propylene glycol 5-10, boron mud 16-28, Boiler Ash 14-22, magnesium oxysulfide concrete 28-39, polyvinylpyrrolidone 6-12, carbide of calcium 4-5, 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 compressive strength aerated-block, is made up of the following step:

(1) get building waste, electrolysis copper ashes and Wingdale to mix, pulverize, mix with aluminum silicate fiber, boron mud after crossing 60-80 mesh sieve, stir 5-6min, obtain compound A;

(2) get granite waste material and baddeleyite mixes, pulverize, mix after crossing 70-90 mesh sieve with Boiler Ash, silicon whisker, stirring 2-3min, obtains compound B;

(3) above-mentioned obtained compound A and compound B is mixed, and add carbide of calcium, aluminium chlorohydroxide, porous ceramic grain, magnesium oxysulfide concrete, polyvinylpyrrolidone, polyester propylene glycol while stirring successively, stir rear injection mould, and add the water content of appropriate water to compound to 55-65%, get angry 45-55min;

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

Beneficial effect of the present invention:

The silicon whisker that the present invention adds and aluminum silicate fiber, the mechanical property of aerated-block can be improved, improve its ultimate compression strength, the raw material such as granite waste material, baddeleyite of interpolation, aerated-block can be made to have extremely strong chemical stability, its acid and alkali-resistance, Corrosion Protection can be significantly improved.The advantages such as it is high that the aerated-block that the present invention obtains has ultimate compression strength, Heat stability is good, acid-alkali-corrosive-resisting, and heat-proof quality is good.

Embodiment

A kind of high compressive strength aerated-block, is made up of the raw material of following weight (kg): building waste 37, granite waste material 29, electrolysis copper ashes 25, aluminium chlorohydroxide 16, baddeleyite 22, aluminum silicate fiber 16, porous ceramic grain 23, silicon whisker 14, Wingdale 26, polyester propylene glycol 7, boron mud 23, Boiler Ash 17, magnesium oxysulfide concrete 33, polyvinylpyrrolidone 8, carbide of calcium 4, water are appropriate;

The preparation method of described porous ceramic grain is as follows: a, in mass ratio 8:4:3 take Titanium slag, pearlite tail sand, glass cullet, mix, and pulverizes, and crosses 350 mesh sieves; B, in mass ratio 6:3:1 take flyash, natural zeolite, malthacite, mix, and pulverize, and cross 250 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 32%, the ammonium nitrite of 7% and 3% sodium bicarbonate, mix, wet granulation, size controlling is at 0.3mm, then microwave agglomerating furnace is put into, microwave heating to 525 DEG C, insulation 35min, is cooled to normal temperature; D, in mass ratio 3:1 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 21%, mix, wet granulation, size controlling, at 0.9mm, then puts into retort furnace, with the ramp to 870 DEG C of 6 DEG C/min, insulation 0.5h, again with the ramp to 1230 DEG C of 4 DEG C/min, insulation 1.5h, is cooled to normal temperature.

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

(1) get building waste, electrolysis copper ashes and Wingdale to mix, pulverize, mix with aluminum silicate fiber, boron mud after crossing 60-80 mesh sieve, stir 5-6min, obtain compound A;

(2) get granite waste material and baddeleyite mixes, pulverize, mix after crossing 70-90 mesh sieve with Boiler Ash, silicon whisker, stirring 2-3min, obtains compound B;

(3) above-mentioned obtained compound A and compound B is mixed, and add carbide of calcium, aluminium chlorohydroxide, porous ceramic grain, magnesium oxysulfide concrete, polyvinylpyrrolidone, polyester propylene glycol while stirring successively, stir rear injection mould, and add the water content of appropriate water to compound to 55-65%, get angry 45-55min;

(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	0.8
			Thermal conductivity	W/m.K	0.07

Claims (2)

1. a high compressive strength aerated-block, it is characterized in that, be made up of the raw material of following weight part: building waste 27-43, granite waste material 19-35, electrolysis copper ashes 16-32, aluminium chlorohydroxide 11-19, baddeleyite 14-26, aluminum silicate fiber 12-18, porous ceramic grain 18-26, silicon whisker 10-15, Wingdale 17-31, polyester propylene glycol 5-10, boron mud 16-28, Boiler Ash 14-22, magnesium oxysulfide concrete 28-39, polyvinylpyrrolidone 6-12, carbide of calcium 4-5, 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 compressive strength aerated-block according to claim 1, is characterized in that, be made up of the following step:

(1) get building waste, electrolysis copper ashes and Wingdale to mix, pulverize, mix with aluminum silicate fiber, boron mud after crossing 60-80 mesh sieve, stir 5-6min, obtain compound A;

(2) get granite waste material and baddeleyite mixes, pulverize, mix after crossing 70-90 mesh sieve with Boiler Ash, silicon whisker, stirring 2-3min, obtains compound B;

(3) above-mentioned obtained compound A and compound B is mixed, and add carbide of calcium, aluminium chlorohydroxide, porous ceramic grain, magnesium oxysulfide concrete, polyvinylpyrrolidone, polyester propylene glycol while stirring successively, stir rear injection mould, and add the water content of appropriate water to compound to 55-65%, get angry 45-55min;

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