CN105236903A - Weatherproof durable aerated building block and preparation method thereof - Google Patents

Abstract

The invention discloses a weatherproof durable aerated building block and a preparation method thereof. The building block is prepared from the following raw materials in parts by weight: 33 to 47 parts of polished brick waste material, 21 to 33 parts of alum mine tailings, 18 to 29 parts of magnesite slag, 14 to 26 parts of porous ceramic particle, 22 to 36 parts of ceramic waste materials, 23 to 37 parts of sericite, 7 to 9 parts of sodium caseinate, 11 to 19 parts of polylactic acid fiber, 15 to 20 parts of metallurgical coke, 6 to 12 parts of sodium polyacrylate, 24 to 38 parts of red mud, 37 to 49 parts of quicklime, 2 to 4 parts of inositol hexaphosphate, 4 to 7 parts of super calcium oxide, and a proper amount of water. The provided building block has the advantages of excellent weatherability, durability, aging-resistant property, and anti-cracking performance, and strong corrosion resistant performance. Even if the building block is exposed to sun, wind, and rain for a long time, the building block will not crack, the strength will not degrease, moreover, the service life of the building block is long, and the application range is wide.

Description

A kind of weather-proof durable aerated-block and preparation method thereof

Technical field

The present invention relates to a kind of weather-proof durable 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 weathering resistance of traditional aerated-block and weather resistance more and more cannot meet the demand in market, therefore, a kind of weather-proof durable 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 weather-proof durable aerated-block and preparation method thereof.

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

A kind of weather-proof durable aerated-block, is made up of the raw material of following weight part: tile polished waste 33-47, alum ore deposit tailings 21-33, wagnerite slag 18-29, porous ceramic grain 14-26, ceramic waste material 22-36, sericite 23-37, Sodium Caseinate 7-9, acid fiber by polylactic 11-19, metallurgical coke 15-20, sodium polyacrylate 6-12, red mud 24-38, unslaked lime 37-49, myo-Inositol hexaphosphate 2-4, super calcium oxide 4-7, 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 weather-proof durable aerated-block, is made up of the following step:

(1) get tile polished waste, wagnerite slag and sericite to mix, pulverize, mix with red mud after crossing 100-150 mesh sieve, stir 3-6min, obtain compound A;

(2) get alum ore deposit tailings, ceramic waste material and metallurgical coke to mix, pulverize, mix with acid fiber by polylactic after crossing 60-80 mesh sieve, stir 1-3min, obtain compound B;

(3) above-mentioned obtained compound A and compound B is mixed, and add excess of imports calcium oxide, porous ceramic grain, unslaked lime, sodium polyacrylate, Sodium Caseinate and myo-Inositol hexaphosphate successively while stirring, stir rear injection mould, and add the water content of appropriate water to compound to 45-55%, get angry 30-40min;

(4) mould is put into curing room 60-70 DEG C vapor cure, get product.

Beneficial effect of the present invention:

The aerated-block weathering resistance that the present invention adopts the raw materials such as tile polished waste, alum ore deposit tailings, wagnerite slag, ceramic waste material, acid fiber by polylactic, metallurgical coke to make and weather resistance are given prominence to, ageing-resistant cracking behavior is excellent, resistance to corrosion is strong, be exposed to the sun for a long time, expose to wind and rain, be not easy to occur cracking, more intensity can not be reduced, long service life, applied range.

Embodiment

A kind of weather-proof durable aerated-block, is made up of the raw material of following weight (kg): tile polished waste 43, alum ore deposit tailings 29, wagnerite slag 24, porous ceramic grain 23, ceramic waste material 32, sericite 34, Sodium Caseinate 8, acid fiber by polylactic 15, metallurgical coke 18, sodium polyacrylate 11, red mud 33, unslaked lime 46, myo-Inositol hexaphosphate 3, super calcium oxide 6, water are appropriate;

The preparation method of described porous ceramic grain is as follows: a, in mass ratio 6:3:2-4 take Titanium slag, pearlite tail sand, glass cullet, mix, and pulverizes, and crosses 300 mesh sieves; B, in mass ratio 5:2:1 take flyash, natural zeolite, malthacite, mix, and pulverize, and cross 200 mesh sieves, add the water being equivalent to mixed powder weight 3 times amount, wet ball grinding 2h, 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 25%, the ammonium nitrite of 4% and 2% sodium bicarbonate, mix, wet granulation, size controlling is at 0.3mm, then microwave agglomerating furnace is put into, microwave heating to 510 DEG C, insulation 30min, is cooled to normal temperature; D, in mass ratio 2:1 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%, mix, wet granulation, size controlling, at 0.8mm, then puts into retort furnace, with the ramp to 860 DEG C of 5 DEG C/min, insulation 0.5h, again with the ramp to 1180 DEG C of 3 DEG C/min, insulation 1h, is cooled to normal temperature.

A preparation method for weather-proof durable aerated-block, is made up of the following step:

(1) get tile polished waste, wagnerite slag and sericite to mix, pulverize, mix with red mud after crossing 100-150 mesh sieve, stir 3-6min, obtain compound A;

(2) get alum ore deposit tailings, ceramic waste material and metallurgical coke to mix, pulverize, mix with acid fiber by polylactic after crossing 60-80 mesh sieve, stir 1-3min, obtain compound B;

(3) above-mentioned obtained compound A and compound B is mixed, and add excess of imports calcium oxide, porous ceramic grain, unslaked lime, sodium polyacrylate, Sodium Caseinate and myo-Inositol hexaphosphate successively while stirring, stir rear injection mould, and add the water content of appropriate water to compound to 45-55%, get angry 30-40min;

(4) mould is put into curing room 60-70 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	6.7
Drying shrinkage value	mm/m	0.5
			Thermal conductivity	W/m.K	0.08

Claims (2)

1. a weather-proof durable aerated-block, it is characterized in that, be made up of the raw material of following weight part: tile polished waste 33-47, alum ore deposit tailings 21-33, wagnerite slag 18-29, porous ceramic grain 14-26, ceramic waste material 22-36, sericite 23-37, Sodium Caseinate 7-9, acid fiber by polylactic 11-19, metallurgical coke 15-20, sodium polyacrylate 6-12, red mud 24-38, unslaked lime 37-49, myo-Inositol hexaphosphate 2-4, super calcium oxide 4-7, 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 weather-proof durable aerated-block according to claim 1, is characterized in that, be made up of the following step:

(1) get tile polished waste, wagnerite slag and sericite to mix, pulverize, mix with red mud after crossing 100-150 mesh sieve, stir 3-6min, obtain compound A;

(2) get alum ore deposit tailings, ceramic waste material and metallurgical coke to mix, pulverize, mix with acid fiber by polylactic after crossing 60-80 mesh sieve, stir 1-3min, obtain compound B;

(3) above-mentioned obtained compound A and compound B is mixed, and add excess of imports calcium oxide, porous ceramic grain, unslaked lime, sodium polyacrylate, Sodium Caseinate and myo-Inositol hexaphosphate successively while stirring, stir rear injection mould, and add the water content of appropriate water to compound to 45-55%, get angry 30-40min;

(4) mould is put into curing room 60-70 DEG C vapor cure, get product.