CN105272080A - Aerated building block capable of purifying air, and making method thereof - Google Patents

Abstract

The invention discloses an aerated building block capable of purifying air, and a making method thereof. The aerated building block is made from, by weight, 37-49 parts of gangue, 22-34 parts of volcanic rocks, 18-26 parts of natural zeolite, 12-24 parts of plant straw powder, 9-18 parts of porous calcium phosphate, 10-20 parts of montmorillenite, 11-23 parts of diatomite, 17-31 parts of porous ceramsite, 5-10 parts of acetylated distarch phosphate, 7-11 parts of active alumina, 8-12 parts of a carbon molecular sieve, 32-44 parts of sulfoaluminate cement, 3-5 parts of ferrosilicon alloy powder, 2-4 parts of sodium hydroxide and a proper amount of water. The volcanic rock, the natural zeolite, the plant straw powder, porous calcium phosphate, diatomite, porous ceramsite, the carbon molecular sieve and other materials with abundant apertures are adopted as raw materials in the invention, so the aerated building block made in the invention has excellent adsorption performances, can effectively eliminate formaldehyde, toluene, ammonia, VOC and other harmful substances in indoor air and the sour and foul odors of leftovers, the fuel fume smell, the smoke smell and other peculiar smells n daily life, realizes air refreshing of walls, purifies indoor air, improves the living environment, and enhances the physical and mental health.

Description

A kind of aerated-block capable of purifying air and preparation method thereof

Technical field

The present invention relates to a kind of aerated-block capable of purifying air 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 traditional aerated-block is without the function purified air, and therefore, is badly in need of a kind of aerated-block capable of purifying air of exploitation.

Summary of the invention

The object of the present invention is to provide a kind of aerated-block capable of purifying air and preparation method thereof, the aerated-block that the present invention obtains effectively can eliminate foreign flavor indoors and various obnoxious flavour.

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

An aerated-block capable of purifying air, is made up of the raw material of following weight part: coal gangue 37-49, volcanics 22-34, natural zeolite 18-26, plant straw powder 12-24, porous calcium phosphate 9-18, white cream mud 10-20, diatomite 11-23, porous ceramic grain 17-31, Ultra Tex 2 5-10, activated alumina 7-11, carbonaceous molecular sieve 8-12, aluminosulfate cement 32-44, ferro-silicon alloy powder 3-5, sodium hydroxide 2-4, water are appropriate;

The preparation method of described porous ceramic grain is as follows: a, in mass ratio 5-10:4-8:3-6 take manganese ore gangue, Yellow Phosphorous Slag, glass cullet, mix, and pulverizes, and crosses 400-500 mesh sieve; B, in mass ratio 7-12:5-8:2-4 take flyash, cancrinite, wagnerite, mix, and pulverize, and cross 200-300 mesh sieve, add the water being equivalent to mixed powder weight 4-6 times amount, wet ball grinding 2-3h, dry; The sodium pyrosulfate being equivalent to the spent pulping liquor of the powder weight 30-40% that step a obtains, the bicarbonate of ammonia of 5-10% and 3-5% is added in c, the powder that obtains to step a, mix, wet granulation, size controlling is at 0.4-0.8mm, then microwave agglomerating furnace is put into, microwave heating is to 480-520 DEG C, and insulation 20-30min, is cooled to normal temperature; D, in mass ratio 2-3:1 take powder that step b obtains and the obtained particle of step c, mix, then add and be equivalent to the kibushi clay of mixture weight 20-30% and the titanium dioxide of 8-14% and appropriate water, mix, wet granulation, size controlling, at 1-2mm, then puts into retort furnace, with the ramp of 4-8 DEG C/min to 840-880 DEG C, insulation 0.5-1h, again with the ramp of 2-5 DEG C/min to 1160-1220 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 manganese ore gangue, Yellow Phosphorous Slag, glass cullet, flyash, cancrinites, 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 aerated-block capable of purifying air, is made up of the following step:

(1) get coal gangue, volcanics, natural zeolite mix, pulverize, cross 150-250 mesh sieve, stand-by;

(2) get white cream mud and diatomite to add water to stir and make the slurries that concentration is 30-35%, then the powder that plant straw powder, porous calcium phosphate, porous ceramic grain, carbonaceous molecular sieve and step (1) are obtained is added, stir 4-5min, add aluminosulfate cement, activated alumina and Ultra Tex 2 again, and the water content adjusting compound is to 50-60%, stir 3-4min;

(3) ferro-silicon alloy powder and sodium hydroxide are added in the obtained slip of step (2), inject mould after stirring 30-50s and get angry, get angry 30-45min at 55-65 DEG C of temperature;

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

Beneficial effect of the present invention:

Raw material of the present invention have employed the abundant material of the holes such as volcanics, natural zeolite, plant straw powder, porous calcium phosphate, diatomite porous haydite, carbonaceous molecular sieve, the aerated-block obtained is made to have excellent absorption property, can effectively eliminate formaldehyde in indoor air, toluene, ammonia, VOC, etc. in objectionable impurities and daily life leftovers to fill a bowl with rice the peculiar smell such as acid smell, greasy smell, cigarette, realize exhaling the old and inhale the new of body of wall, purify the air of a room, improve habitat environment, promoted physically and mentally healthy.

Embodiment

An aerated-block capable of purifying air, is made up of the raw material of following weight (kg): coal gangue 43, volcanics 27, natural zeolite 24, plant straw powder 19, porous calcium phosphate 13, white cream mud 15, diatomite 19, porous ceramic grain 26, Ultra Tex 28, activated alumina 9, carbonaceous molecular sieve 10, aluminosulfate cement 38, ferro-silicon alloy powder 4, sodium hydroxide 3, water are appropriate;

The preparation method of described porous ceramic grain is as follows: a, in mass ratio 5:4:3 take manganese ore gangue, Yellow Phosphorous Slag, glass cullet, mix, and pulverizes, and crosses 400 mesh sieves; B, in mass ratio 7:5:2 take flyash, cancrinite, wagnerite, mix, and pulverize, and cross 200 mesh sieves, add the water being equivalent to mixed powder weight 4 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 30%, the bicarbonate of ammonia of 5% and 3% sodium pyrosulfate, mix, wet granulation, size controlling is at 0.4mm, then microwave agglomerating furnace is put into, microwave heating to 480 DEG C, insulation 20min, 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 and be equivalent to the kibushi clay of mixture weight 20% and the titanium dioxide of 8% and appropriate water, mix, wet granulation, size controlling, at 1mm, then puts into retort furnace, with the ramp to 8400 DEG C of 4 DEG C/min, insulation 0.5h, again with the ramp to 1160 DEG C of 2 DEG C/min, insulation 1h, is cooled to normal temperature.

A preparation method for aerated-block capable of purifying air, is made up of the following step:

(1) get coal gangue, volcanics, natural zeolite mix, pulverize, cross 150-250 mesh sieve, stand-by;

(2) get white cream mud and diatomite to add water to stir and make the slurries that concentration is 30-35%, then the powder that plant straw powder, porous calcium phosphate, porous ceramic grain, carbonaceous molecular sieve and step (1) are obtained is added, stir 4-5min, add aluminosulfate cement, activated alumina and Ultra Tex 2 again, and the water content adjusting compound is to 50-60%, stir 3-4min;

(3) ferro-silicon alloy powder and sodium hydroxide are added in the obtained slip of step (2), inject mould after stirring 30-50s and get angry, get angry 30-45min at 55-65 DEG C of temperature;

(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	5.2
Drying shrinkage value	mm/m	0.6
			Thermal conductivity	W/m.K	0.15
Obnoxious flavour and peculiar smell adsorption rate	％	99.6

Claims (2)

1. an aerated-block capable of purifying air, it is characterized in that, be made up of the raw material of following weight part: coal gangue 37-49, volcanics 22-34, natural zeolite 18-26, plant straw powder 12-24, porous calcium phosphate 9-18, white cream mud 10-20, diatomite 11-23, porous ceramic grain 17-31, Ultra Tex 2 5-10, activated alumina 7-11, carbonaceous molecular sieve 8-12, aluminosulfate cement 32-44, ferro-silicon alloy powder 3-5, sodium hydroxide 2-4, water are appropriate;

The preparation method of described porous ceramic grain is as follows: a, in mass ratio 5-10:4-8:3-6 take manganese ore gangue, Yellow Phosphorous Slag, glass cullet, mix, and pulverizes, and crosses 400-500 mesh sieve; B, in mass ratio 7-12:5-8:2-4 take flyash, cancrinite, wagnerite, mix, and pulverize, and cross 200-300 mesh sieve, add the water being equivalent to mixed powder weight 4-6 times amount, wet ball grinding 2-3h, dry; The sodium pyrosulfate being equivalent to the spent pulping liquor of the powder weight 30-40% that step a obtains, the bicarbonate of ammonia of 5-10% and 3-5% is added in c, the powder that obtains to step a, mix, wet granulation, size controlling is at 0.4-0.8mm, then microwave agglomerating furnace is put into, microwave heating is to 480-520 DEG C, and insulation 20-30min, is cooled to normal temperature; D, in mass ratio 2-3:1 take powder that step b obtains and the obtained particle of step c, mix, then add and be equivalent to the kibushi clay of mixture weight 20-30% and the titanium dioxide of 8-14% and appropriate water, mix, wet granulation, size controlling, at 1-2mm, then puts into retort furnace, with the ramp of 4-8 DEG C/min to 840-880 DEG C, insulation 0.5-1h, again with the ramp of 2-5 DEG C/min to 1160-1220 DEG C, insulation 1-2h, be cooled to normal temperature.

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

(1) get coal gangue, volcanics, natural zeolite mix, pulverize, cross 150-250 mesh sieve, stand-by;

(2) get white cream mud and diatomite to add water to stir and make the slurries that concentration is 30-35%, then the powder that plant straw powder, porous calcium phosphate, porous ceramic grain, carbonaceous molecular sieve and step (1) are obtained is added, stir 4-5min, add aluminosulfate cement, activated alumina and Ultra Tex 2 again, and the water content adjusting compound is to 50-60%, stir 3-4min;

(3) ferro-silicon alloy powder and sodium hydroxide are added in the obtained slip of step (2), inject mould after stirring 30-50s and get angry, get angry 30-45min at 55-65 DEG C of temperature;

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