CN108249956A - A kind of production method of autoclave aerated concrete building block - Google Patents
A kind of production method of autoclave aerated concrete building block Download PDFInfo
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- CN108249956A CN108249956A CN201810248700.0A CN201810248700A CN108249956A CN 108249956 A CN108249956 A CN 108249956A CN 201810248700 A CN201810248700 A CN 201810248700A CN 108249956 A CN108249956 A CN 108249956A
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B30/00—Compositions for artificial stone, not containing binders
- C04B30/02—Compositions for artificial stone, not containing binders containing fibrous materials
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C1/00—Building elements of block or other shape for the construction of parts of buildings
- E04C1/40—Building elements of block or other shape for the construction of parts of buildings built-up from parts of different materials, e.g. composed of layers of different materials or stones with filling material or with insulating inserts
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00017—Aspects relating to the protection of the environment
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00025—Aspects relating to the protection of the health, e.g. materials containing special additives to afford skin protection
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
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- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/40—Porous or lightweight materials
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- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/20—Mortars, concrete or artificial stone characterised by specific physical values for the density
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
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Abstract
The present invention relates to building materials technology field more particularly to a kind of production methods of autoclave aerated concrete building block, include the following steps：S1, peppermint, climbing groundsel, tealeaves and rhizoma zingiberis are chosen, and is ground and crushed, obtain A product；S2, water is added to mix sand, gypsum, ceramic waste residue and flyash and is milled into slurry, obtain B product；S3, lime, cement, foaming agent, water-retaining agent, foam stabilizer, fiber, the A product and the B product are mixed, and stir into C product；S4, purifying formaldehyde adsorbent, tealeaves and fiber mixing are taken, obtains D product；S5, the bottom pouring first layer C product in mold, then D product are laid on first layer C product, it finally pours into a mould second layer C product again on D product, obtains idiosome, by idiosome heating precuring；S6, the idiosome after precuring is demoulded, cut, steam press maintenance, cooling obtains finished product, and the adsorption capacity of the poisonous and harmful substances such as manufactured autoclave aerated concrete building block PARA FORMALDEHYDE PRILLS(91,95), benzene, ammonia is stronger.
Description
Technical field
The present invention relates to building materials technology field, more specifically, it relates to a kind of making of autoclave aerated concrete building block
Method.
Background technology
Air-entrained concrete building block is a kind of novel wall material, it is unique in that it is a kind of very light-duty
The building walling of insulation.Air-entrained concrete building block is applied to mostly in the form of Prefabricated in architectural engineering, available for building
The load bearing wall in three layers or less than three layers of house is built, it also can be as industrial premises, the non-bearing of multilayer, high-rise frame structure building
Filled-wall material uses.Compared with traditional clay sintering brick, although air-entrained concrete building block intensity is lower, its material
Expect that cost is relatively low, the weight of manufactured air-entrained concrete building block is also smaller, and building dead weight can be greatly lowered by being built a wall with it, and
The indoor heat insulating effect of the building built up is good.Simultaneously because during production clay solid brick, bake bricks and ruined a large amount of plough
Ground, therefore replace clay solid brick with ceramic waste residue air-entrained concrete building block, it is possible to reduce field is ruined in shoveling of baking bricks, while realizes pottery
The recycling of porcelain waste residue reduces the pollution of environment.The national production prohibited now to clay solid brick, gradually
Instead it is exactly air-entrained concrete building block.Therefore air-entrained concrete building block has become the leading products of building material industry,
It will more and more show its higher use value and broad development prospect.
But there are the following problems during producing with use for most air-entrained concrete building blocks：First, since aerating mixes
Solidifying earth building blocks add the raw materials such as various industrial ceramics waste residues and lime in preparation process, and building block is caused to give out pungent gas
After taste, and have certain radioactivity, damages the body of building block direct labor and installer, while it is put into wall
Penetrating odor can be still given out, indoor air quality is caused to be deteriorated；Second, air-entrained concrete building block after wall is put into,
Toxic to the cement and rendering generated formaldehyde, benzene, ammonia etc. between the coating for wall surface of cement surface that are cast in its surface,
Harmful substance causes these harmful substances that cannot disperse for a long time indoors, seriously affects the body of resident family without any suction-operated
Health；Third, since ordinary air-entrained concrete building block does not have the effect of antibacterial, due to being in dark humidity in wall
Environment or because of external wall seepage, leads to the growth of a large amount of bacteriums, wall can be allowed to go mouldy, and then generate germ and endanger indoor human body
Health.
Chinese invention patent CN107556034A discloses environment-friendly type autoclave aerated concrete building block, by following steps system
Into：（1）Selection fresh mint, fresh climbing groundsel, which are put into crusher, crushes 5-8min, obtains A product；（2）By lead zinc, desulfurization
Lime-ash is put into homogenizer stirring 12-17min with water, adds cement and bamboo charcoal stirring 20-25min, is eventually adding A product and stirs
20-25min is mixed, B product are obtained after mixture is stood 5min；（3）B product and foaming agent are put into homogenizer stirring 8-12min,
Slurry is made in mixing, obtains C product；（4）C product are poured into moulding by casting in mold, stop that precuring 3-4 hours, overturning cutting, steam pressure supports through quiet
Shield obtains finished product in 9-11 hours.
Autoclave aerated concrete building block made of foregoing invention patent has the aromatic odor of plant, can reduce building block material
Due to the radioactivity brought of addition industrial slag in material, have antibiotic property and bactericidal effect, at the same can adsorb indoor formaldehyde,
The poisonous and harmful substances such as benzene, ammonia, still, during bamboo charcoal and the mixing of cement and other slag charges, the cement of part
Bamboo charcoal surface can be wrapped in slag charge slurry, blocks the hole of bamboo charcoal, reduces the adsorption effect of bamboo charcoal, and then reduces concrete and builds
Suction-operated of the block to toxic and harmful gas.
Invention content
In view of the deficiency of the prior art, the first object of the present invention is to provide a kind of steam-pressing aero-concrete
The production method of building block, the adsorption capacity of the poisonous and harmful substances such as manufactured autoclave aerated concrete building block PARA FORMALDEHYDE PRILLS(91,95), benzene, ammonia
It is stronger.
The first object of the present invention technical scheme is that：A kind of autoclave aerated concrete building block
Production method includes the following steps：
S1, peppermint, climbing groundsel, tealeaves and rhizoma zingiberis are chosen, and is ground and crushed, obtain A product；
S2, water is added to mix sand, gypsum, ceramic waste residue and flyash and is milled into slurry, obtain B product；
S3, lime, cement, foaming agent, water-retaining agent, foam stabilizer, fiber, the A product and the B product are mixed, and stir into C
Product；
S4, purifying formaldehyde adsorbent, tealeaves and fiber mixing are taken, obtains D product；
S5, the bottom pouring first layer C product in mold, then D product are laid on first layer C product, finally second is poured into a mould again on D product
Layer C product, obtain idiosome, by idiosome heating precuring；
S6, the idiosome after precuring is demoulded, cut, steam press maintenance, cooling obtains finished product.
By using above-mentioned technical proposal, peppermint, climbing groundsel, tealeaves and rhizoma zingiberis are ground it is broken, be conducive to increase peppermint,
Contact area between the slurries such as climbing groundsel, tealeaves and rhizoma zingiberis and cement, lime, is conducive to improve their bactericidal bacteriostasis
With the absorption to radioactive substance.
Sand, gypsum, ceramic waste residue and flyash belong to main silicon prepared material in autoclave aerated concrete building block, former
Material granule size and shape are more inhomogenous, need to be ground into tiny graininess before it is mixed with cement and lime,
Be conducive to make mixed slurry more uniform, be more advantageous to that foaming forms size and shape is close and be more evenly distributed
Hole makes the building block heat preservation and insulation after being made more preferable.
After each raw material is mixed evenly, first layer C product, D product and second layer C product are laid with successively in a mold, due to C
Product are slurries, when D product are layed on first layer C product, D product under the effect of gravity, the slurries of a part of D product and first layer C product
It mixes and is bonded together.When second layer C product are cast on D product, second layer C product under the effect of gravity, positioned at mold side edge
Slurry can downwards be permeated along mold wall and contact and bond with the edge of first layer slurry, and positioned at the second layer C product at middle part
There is fraction that can permeate downwards to bond with D product, by D product and the gravity of C product, make first layer C product, B product and second layer C product
Part mixing bonds, and makes the intensity higher of building block.Due to being added to foaming agent in C product, the C product shape under the foaming effect of foaming agent
Into multiple apertures, the toxic and harmful gas such as formaldehyde, benzene, ammonia in air can be absorbed by multiple apertures by D product.C product and D product
Interval is laid with, and can reduce the package action of cement slurry PARA FORMALDEHYDE PRILLS(91,95) purifying adsorbent, and the pernicious gas in air can pass through coagulation
Stomata in earth building blocks is diffused into D layers and is adsorbed by purifying formaldehyde adsorbent and tealeaves, and then steam pressurized coagulation made of raising
Earth building blocks are to the adsorption capacity of poisonous and harmful substance.Meanwhile there is virtue using autoclave aerated concrete building block made of this method
Fragrance taste, bactericidal and the function of absorbing radioactive substance, intensity is high, is not susceptible to dry contraction.
The present invention is further arranged to：After being laid with D product in a mold, it is spaced on D product and plugs branched hollow pipe, every
Capillary is inserted in the hollow pipe, has air-bubble in capillary, after second layer C product casting completes, hollow pipe is extracted,
Then by idiosome heating precuring.
By using above-mentioned technical proposal, interval plugs branched hollow pipe on D product, and hollow pipe plays protection to capillary and makees
With making C product and D product during mold is poured into, not easy damaged capillary.After casting complete, by hollow pipe from by embryo
It is extracted in body, and heating precuring is carried out to idiosome, during the precuring that heats up, due to the temperature raising inside idiosome, make capillary
The gas in air-bubble in pipe is escaped from water, and the total volume increase of water and gas in capillary is bursting at the collision capillary,
And then making to be formed between D product layer and the second layer C product in idiosome the channel of connection, the channel of formation is more advantageous to the tea in D product
The absorption of leaf and purifying formaldehyde adsorbent to poisonous and harmful substance in air, and then improve manufactured steam-pressing aero-concrete and build
Block is to the adsorption capacity of toxic and harmful gas.
The present invention is further arranged to：The hollow pipe protrudes idiosome surface close to one end of C product, and the one of the capillary
End is embedded in D product, and the capillary is flushed away from one end of D product with idiosome surface.
By using above-mentioned technical proposal, one end of hollow pipe protrudes idiosome surface, facilitates hollow pipe after pouring into a mould
It is extracted from idiosome.Capillary is flushed away from one end of D product with idiosome surface, on the one hand can prevent the gas volume in capillary
Expanding, which crushes the capillary of leakage, hurts sb.'s feelings, shields to staff, on the other hand make what capillary was formed after crushing
Channel and contact air are conducive to improve adsorption energy of the autoclave aerated concrete building block to the toxic and harmful gas in air
Power.
The present invention is further arranged to：The internal diameter of the capillary is 0.3-2.5mm, wall thickness 0.075-0.85mm.
By using above-mentioned technical proposal, it is found through experiment that, when capillary used is above-mentioned specification, made steam pressure
The channel sized of air-entrained concrete building block is more advantageous to purifying formaldehyde adsorbent and absorbs the harmful gases and sky such as formaldehyde
Planktonic bacteria in gas, while the intensity of manufactured autoclave aerated concrete building block is not influenced.When the raising of idiosome temperature, due to hair
Tubule tube wall is relatively thin, and easily inflated rear gas is burst.
The present invention is further arranged to：The distance between adjacent hollow pipe is 50-80cm.
By using above-mentioned technical proposal, it is found through experiment that, using steam pressurized mixed made of the hollow pipe of above-mentioned spacing
Solidifying earth building blocks are more preferable to the adsorption capacity of the toxic and harmful gas in air, and do not influence the intensity of building block.
The present invention is further arranged to：The air-bubble is the aqueous solution containing carbon dioxide or ozone or argon gas.
By using above-mentioned technical proposal, carbon dioxide, ozone and argon gas are nontoxic, are dissolved in water unstable, gas after heating
Easily overflowed from water.
The present invention is further arranged to：It is layed in the thickness ratio of first layer C product in the mold, D product and second layer C product
It is 30:5-10:20.
It by using above-mentioned technical proposal, is found through overtesting, using coagulation steam pressurized made of above-mentioned thickness ratio
The adsorption effect of earth building blocks is good, and intensity higher.
The second object of the present invention is to provide a kind of autoclave aerated concrete building block, has aromatic odor, can absorb radiation
Property substance and absorption air in peculiar smell, it is and more preferable to the adsorption effect of the poisonous and harmful substances such as formaldehyde, the ammonia in air.
The second object of the present invention technical scheme is that：A kind of autoclave aerated concrete building block,
Adsorption layer including two layers of basal layer and between two layers of basal layer, the basal layer include lime, cement, foaming agent, guarantor
Aqua, foam stabilizer, fiber, peppermint, climbing groundsel, tealeaves, rhizoma zingiberis, sand, gypsum, ceramic waste residue and flyash, the adsorption layer packet
Include purifying formaldehyde adsorbent, tealeaves and fiber.
By using above-mentioned technical proposal, peppermint is Labiatae perennial root herbaceous plant, and dried peppermint leaf is that one kind has
The fragrant crop of economic value, the menthol (Hexahydrothymol) contained by inside have very strong bactericidal effect.Therefore exist
Peppermint is added in the making of concrete segment can not only make concrete segment have the smell of fragrance, can also make manufactured concrete
Building block has the effect of bactericidal, and manufactured concrete segment its surface in wet environment is made to be not easy long mould.
Climbing groundsel is composite family Senecio plant, there is the effect of desinsection is antipruritic.Its herb contains a large amount of flavoxanthin
(flavoxanthin), chrysanthemaxanthin (Chrysanthemaxanthin), also containing senecionine (senecionine), climbing groundsel
Luxuriant and rich with fragrance spirit alkali (seneciphylline) and hydrogen ester (hydroquinone), p- hydroxyl phenylacetic acid (p-
Hydroxyphenylaceticacid), vanillic acid (vanillicacid), salicylic acid (salicylicacid), pyromucyl acid
(pyromucicacid), there is stronger antibacterial action to shiga's dysentery bar mattress and staphylococcus aureus, to typhoid fever, secondary wound
The bacillus such as Han Jia, paratyphoid B, dysentery (Freund, Boydii, sonnei), large intestine, deformation, cured sample anthrax and sarcine are all
There is inhibiting effect.
Show that tea polyphenols and its oxide can be absorbed and be put containing tea polyphenols and many oxide, foreign study in tealeaves
Penetrating property substance protects cell not raying to injure, also helpful for repairing damaged cell.Tea polyphenols also have bacteriostasis,
Such as there is inhibiting effect to staphylococcus, Escherichia coli, hay bacillus.The adsorbable peculiar smell of tea polyphenols, therefore removed with certain
Smelly effect.
Contain plant antibiotic in rhizoma zingiberis, there is preferable bactericidal and bacteriostatic effect.
Therefore, by the interaction of peppermint, climbing groundsel, tealeaves and rhizoma zingiberis, concrete segment sterilization suppression obtained can be made
Bacterium works well, and concrete segment is not easy to grow bacterium under long-term moist environment, and concrete segment surface is made to be not easy mildew
Bacterium influences the service life of people’s lives environment and concrete segment.Meanwhile manufactured concrete segment has aroma
Taste, the peculiar smell caning absorb in radioactive substance and absorption air, improves indoor air environment.
Water-retaining agent is a kind of super absorbent resin, and this kind of substance contains the special strong water suction group of a large amount of structures, in resin
Inside can generate Thief zone association and pass through its mesh-structured water suction.Its maximum water absorption is up to 13- every square centimeter
14 kilograms, hundreds times to thousands of times of pure water of own wt is can absorb, and these absorbed moisture cannot be with general
Physical method is expelled from coming, so it has very strong water-retaining property again.Water-retaining agent is added in concrete segment can make concrete
Building block keeps certain humidity, reduces the drying shrinkage value of concrete segment, particularly in dry environment, the addition of water-retaining agent
The water loss inside concrete segment can be reduced, be not susceptible to concrete segment dry and cracked, in a humid environment, water-retaining agent
Long-term humidity, which can be reduced, makes concrete segment addle happening of caving in.
Current water-retaining agent both domestic and external is divided into two major class, and one kind is acrylamide and acrylic acid salt crosslinking copolymerization object (poly- third
Acrylamide, Sodium Polyacrylate, polyacrylic acid potassium, ammonium polyacrylate etc.)；Another kind of is starch grafted acrylate crosslinking copolymerization object
(starch grafted acrylate).
(1) it polyacrylamide service life and lasts a long time.
(2) Sodium Polyacrylate water absorbent rate is high, and absorption speed is fast, and water absorbing capacity and rate of water absorption are apparently higher than polyacrylamide
Amine, but service life is short compared with polyacrylamide.
(3) starch grafted acrylate service life is short compared with polyacrylamide and Sodium Polyacrylate, but water absorbent rate and suction
The characters such as water speed are splendid.
Addition fiber can not only increase the intensity of concrete segment, may also suppress the dry of concrete segment and shrink, can use
Various fibers, including polyvinyl and glass fibre etc., the length of fiber is 20-30mm.
Purifying formaldehyde adsorbent mainly includes activated carbon, activated silica and activated alumina, and large specific surface area has abundant
The pore structure to match with indoor harmful gas molecular size.It is exclusively used in the harmful gas and sky such as formaldehyde adsorption
Planktonic bacteria in gas；Also there is adjusting air humidity simultaneously, de-taste mould proof, deodorizing sterilizing and other effects, thoroughly remove indoor ring
It pollutes in border.Formaldehyde, benzene, ammonia that the mixing of purifying formaldehyde adsorbent and tealeaves is more advantageous in concrete segment absorption air etc. has
Poison, harmful substance in the preparation process of concrete segment, between D product are layed in two layers of C product, reduce the purification of cement PARA FORMALDEHYDE PRILLS(91,95)
The package action of adsorbent, the pernicious gas in air can be by the stomata in concrete segment by purifying formaldehyde adsorbent and tea
Leaf adsorbs, and improves air purification rate.The composite fibre in tealeaves and purifying formaldehyde adsorbent, a part of fiber are embedded in water
In mud, the cementation between the adjacent cement mortar bed of material is strengthened, so as to strengthen the intensity of concrete cement building block, is made
Concrete segment be not susceptible to deform.
The present invention is further arranged to：Water-retaining agent, fiber, peppermint, climbing groundsel, tealeaves and rhizoma zingiberis in the basal layer
Parts by weight are respectively：0.5-0.7 parts of water-retaining agent, 7-15 parts of fiber, 7-9 parts of peppermint, 7-9 parts of climbing groundsel, 5-6 parts of tealeaves and dry
5-7 parts of ginger；The weight proportion of each component is in the adsorption layer：26-41 parts of purifying formaldehyde adsorbent, 5-10 parts of tealeaves and fiber
3-4 parts.
By using above-mentioned technical proposal, it is found through experiment that, when above-mentioned parts by weight are respectively adopted in basal layer and adsorption layer
Fiber when, the intensity higher of manufactured concrete segment, and unit weight is relatively low, building block is not susceptible to dry contraction.In basal layer
The water-retaining agent of the middle above-mentioned parts by weight of addition, makes manufactured concrete segment that can keep appropriate humidity, in dry environment not
Easily occur dry and cracked, in a humid environment, water-retaining agent can reduce absorption of the building block to moisture, and concrete segment is made to be not easy to send out
Raw addle is caved in.Meanwhile when 5-7 parts of 7-9 parts of peppermint, 7-9 parts of climbing groundsel, 5-6 parts of tealeaves and rhizoma zingiberis in basal layer are using upper
When stating parts by weight, the fragrant odour for the concrete segment made, bactericidal and bacteriostatic effect is more preferable, and the absorption of radioactive substance is imitated
Fruit is also more preferable.When each component uses above-mentioned parts by weight in adsorption layer, adsorption effect is good, and the intensity of manufactured building block is more
It is high.
In conclusion the invention has the advantages that：
First, by the interaction of peppermint, climbing groundsel, tealeaves and rhizoma zingiberis, concrete segment bactericidal effect obtained can be made
Fruit is good, even if concrete segment is not easy to grow bacterium under long-term moist environment, concrete segment surface is not easy to grow
Mould is conducive to the service life of concrete segment；Meanwhile manufactured concrete segment has aromatic odor, can absorb radiation
Property substance and absorption air in peculiar smell, improve indoor air environment；
Second, between by the way that D product are layed in two layers of C product, reduce the package action of cement PARA FORMALDEHYDE PRILLS(91,95) purifying adsorbent, in air
Pernicious gas D layers can be diffused by the stomata in concrete segment and is adsorbed by purifying formaldehyde adsorbent and tealeaves, improve
Air purification rate；
Third, by plugging capillary in idiosome and heating precuring being carried out to idiosome, during the precuring that heats up, due to idiosome
Internal temperature raising, makes the gas in the air-bubble in capillary be escaped from water, the totality of water and gas in capillary
Product increase is bursting at the collision capillary, and then makes to be formed between D product layer and the second layer C product in idiosome the channel of connection, formation
Channel is more advantageous to the absorption of the tealeaves in D product and purifying formaldehyde adsorbent to poisonous and harmful substance in air, and then improves
Manufactured autoclave aerated concrete building block is to the adsorption capacity of toxic and harmful gas.
Description of the drawings
Fig. 1 is the basal layer of embodiment 1 and the structure diagram of adsorption layer；
In figure：1st, basal layer；2nd, adsorption layer；3rd, adsorption hole.
Specific embodiment
Sand, gypsum, ceramic waste residue, flyash, lime, cement and the foam stabilizer of present specification are routinely steam pressurized mixed
The parts by weight of the preparation method of solidifying earth building blocks are added.
With reference to table, drawings and examples, the present invention will be described in detail.
Embodiment 1：A kind of autoclave aerated concrete building block, as shown in Figure 1, including two layers of basal layer 1 and set on two layers of base
Adsorption layer 2 between plinth layer 1.There is one layer of basal layer 1 to be equipped with multiple adsorption holes 3, multiple adsorption holes 3 connect adsorption layer 2 and base
The upper surface of plinth layer 1.Basal layer 1 include lime, cement, 0.07 part of foaming agent, 0.5 part of polyacrylamide water-retaining agent, foam stabilizer,
7 parts of vinylon fibre, 7 parts of peppermint, 7 parts of climbing groundsel, 5 parts of tealeaves, 5 parts of rhizoma zingiberis, sand, desulfurated plaster, ceramic waste residue and flyash 10
Part, adsorption layer 2 includes 3 parts of 26 parts of purifying formaldehyde adsorbent, 5 parts of tealeaves and vinylon fibre.
Embodiment 2：A kind of autoclave aerated concrete building block, the difference lies in basal layers 1 with embodiment 1 for embodiment 2
Including lime, cement, 0.07 part of foaming agent, 0.6 part of polyacrylamide water-retaining agent, foam stabilizer, 11 parts of vinylon fibre, 8 parts of peppermint,
10 parts of 8 parts of climbing groundsel, 5.5 parts of tealeaves, 6 parts of rhizoma zingiberis, sand, desulfurated plaster, ceramic waste residue and flyash, adsorption layer 2 include formaldehyde
3.5 parts of 33 parts of purifying adsorbent, 7 parts of tealeaves and vinylon fibre.
Embodiment 3：A kind of autoclave aerated concrete building block, the difference lies in basal layers 1 with embodiment 1 for embodiment 3
Including lime, cement, 0.07 part of foaming agent, 0.7 part of polyacrylamide water-retaining agent, foam stabilizer, 15 parts of vinylon fibre, 9 parts of peppermint,
10 parts of 9 parts of climbing groundsel, 6 parts of tealeaves, 7 parts of rhizoma zingiberis, sand, desulfurated plaster, ceramic waste residue and flyash, it is net that adsorption layer 2 includes formaldehyde
Change 4 parts of 41 parts of adsorbent, 10 parts of tealeaves and vinylon fibre.
Embodiment 4：A kind of method for making the autoclave aerated concrete building block in embodiment 1, includes the following steps：
S1,5 parts of 7 parts of peppermint, 7 parts of climbing groundsel, 5 parts of tealeaves and rhizoma zingiberis are chosen by proportioning, and it is broken to put it into crusher grinding
5min obtains A product；
S2,10 parts of sand, desulfurated plaster, ceramic waste residue and flyash are conveyed into ball mill, water are added to mix and is milled into slurry,
Obtain B product；
S3, lime, cement, 0.5 part of polyacrylamide, 7 parts of vinylon fibre, A product and B product are mixed, then put into aluminium powder cream
Suspension, foam stabilizer, and stir evenly to obtain C product；
S4,3 parts of 26 parts of purifying formaldehyde adsorbent, 5 parts of tealeaves and vinylon fibre is taken to be mixed and stirred for uniformly, obtaining D product；
S5, the bottom pouring first layer C product in mold, then D product are laid on first layer C product, finally second is poured into a mould again on D product
Layer C product, obtain idiosome, by idiosome heating precuring, wherein, the thickness ratio of first layer C product, D product and second layer C product is 30:10:
20；
S6, the idiosome after precuring is demoulded, cut, steam press maintenance, cooling obtains finished product.
The production method of the autoclave aerated concrete building block of embodiment 2-3 is same as Example 4.
Embodiment 5：A kind of production method of autoclave aerated concrete building block, embodiment 5 and the difference of embodiment 4 exist
In S5, S5, after being laid with D product in a mold, interval plugs branched hollow pipe on D product, and hair is inserted in every hollow pipe
Tubule, there is that carbon dioxide gas is soaked in capillary, after second layer C product casting completes, hollow pipe is extracted, then by idiosome liter
Warm precuring.
Wherein, hollow pipe is higher than the height of idiosome away from one end of mold, and one end of capillary is embedded in D product, capillary
Pipe is flushed away from one end of D product with idiosome surface；The internal diameter of capillary is 2mm, wall thickness 0.08mm；Between adjacent hollow pipe
Distance is 50cm.
It is found through experiment that when aqueous solution of the air-bubble for ozone or argon gas, manufactured autoclave aerated concrete building block with
Embodiment 5 is without significant difference.
Embodiment 6：A kind of production method of autoclave aerated concrete building block, embodiment 6 and the difference of embodiment 5 exist
In the distance between adjacent hollow pipe be 80cm.
Embodiment 7：A kind of production method of autoclave aerated concrete building block, embodiment 7 and the difference of embodiment 5 exist
In S5, the thickness ratio of first layer C product, D product and second layer C product being layed in mold is 30:5:20.
Comparative example
A kind of environment-friendly type autoclave aerated concrete building block, is made of following steps：
（1）7 parts of fresh mints of selection, 7 parts of fresh climbing groundsels, which are put into crusher, crushes 5min, obtains A product；
（2）20 parts of lead zincs, 10 parts of desulfurization ash and 24 parts of water are put into homogenizer stirring 12min, add 15 parts
Cement and 26 parts of bamboo charcoal stirring 20min, are eventually adding A product stirring 20min, B product are obtained after mixture is stood 5min；
（3）B product and 0.07kg foaming agent are put into homogenizer stirring 8min, mixing is made slurry, obtains C product；
（4）C product are poured into moulding by casting in mold, through it is quiet stop precuring 3 hours, overturning cutting, steam press maintenance 9 hours finished product.
Performance test
1st, according to《Autoclave aerated concrete building block》（GB11968-2006）Standard, to embodiment 1-3, embodiment 5-7 and comparison
The autoclave aerated concrete building block finished product of example is detected, and it is compared with commercially available by conventionally produced building block,
Its testing result is as shown in table 1.
Table 1 is to autoclave aerated concrete building block finished product and tradition made of embodiment 1-3, embodiment 5-7 and comparative example
Result after building block is detected summarizes.
The performance test results are analyzed：
As shown in Table 1, the requirement of national product is met by autoclave aerated concrete building block made from the preparation method of the present invention,
And its compression strength, dry density equal strength index are better than building block made of the method in traditional building block and comparative example, moreover, real
It applies the building block obtained by a 1-3 and embodiment 5-7 and is significantly better than biography in the radioactive indicators such as External Exposure Index and Outreach services
System building block and the building block of comparative example illustrate that building block made of the method for the present invention can effectively absorb the radioactivity in raw slag material
Substance makes manufactured autoclave aerated concrete building block more Environmental Safety.
2nd, using building block finished product made from embodiment 1-3 and the method for embodiment 5-7 and comparative example with it is conventionally produced
Building block build length respectively respectively between the house one of 2.5m, and be passed through in the same time into closed house similary dense
Formaldehyde, benzene, the ammonia pernicious gas of degree, after 72h, according to《Indoor Air Quality standards》（GB/T18883-2002）Relevant criterion
Air quality in house is detected, related data is as shown in table 2.
Table 2 is to autoclave aerated concrete building block finished product made from embodiment 1-3, embodiment 5-7 and comparative example and traditional work
The result of test that the building block of skill production carries out pernicious gas absorption test summarizes.
Remarks：The value of formaldehyde, ammonia and benzene recorded in table 2 is 1 small hourly value.
The performance test results are analyzed：
By table 2 embodiment 1-3 and embodiment 5-7 it is found that autoclave aerated concrete building block produced by the present invention than tradition building block more
The poisonous and harmful substances such as indoor formaldehyde, benzene, ammonia can be adsorbed, by embodiment 5 it is found that when the distance between adjacent hollow pipe is
During 50cm, the adsorption effect of the gases such as PARA FORMALDEHYDE PRILLS(91,95), benzene, ammonia is more preferable compared with comparative example, by embodiment 6 it is found that working as adjacent hollow
When the distance between pipe is 80cm, the adsorption effect of the gases such as building block PARA FORMALDEHYDE PRILLS(91,95), benzene, ammonia is more preferable, and combines table 1 it is found that working as phase
When the distance between adjacent hollow pipe is 50-80cm, the compression strength of building block meets the requirement of national product.Therefore, present invention system
Into autoclave aerated concrete building block PARA FORMALDEHYDE PRILLS(91,95), benzene, the adsorption effect of the poisonous and harmful substances such as ammonia it is more preferable.
3rd, using the autoclave aerated concrete building block finished product obtained by embodiment 1-3, embodiment 5-7 and comparative example and city
Sell by conventionally produced building block, be individually positioned in the observation carried out under the identical wet environment of condition up to 1 year
Experiment, during experiment every 3 months surface characteristics to building block are once recorded, embodiment 1, comparative example 7 and tradition building block
The results are shown in Table 3 for observation.
The appearance detection observation result of 3 embodiment 1 of table, comparative example 7 and traditional building block summarizes.
Experiment finds that the result of the test and embodiment 1 of embodiment 2-3 and embodiment 5-7 are without significant difference.
The performance test results are analyzed：
By 3 embodiment 1 of table and comparative example and traditional building block comparison it is found that there is autoclave aerated concrete building block made of the present invention to exist
It is not susceptible to go mouldy in wet environment, and certain moisture can be kept, be not easy to absorb water and cave in because wet environment is chronically at.
In conclusion autoclave aerated concrete building block bactericidal and bacteriostatic effect produced by the present invention is good, concrete segment exists
Be not easy to grow bacterium under long-term moist environment, concrete segment surface made to be not easy long mould, influence people’s lives environment with
And the service life of concrete segment.Meanwhile manufactured concrete segment have aromatic odor, can absorb radioactive substance and
The peculiar smell in air is adsorbed, improves indoor air environment.At the same time, by way of being laid with D product between two layers of C product, subtract
The package action of small cement PARA FORMALDEHYDE PRILLS(91,95) purifying adsorbent, the pernicious gas in air can be by the stomata in concrete segment by first
Aldehyde purifying adsorbent and tealeaves absorption, improve air purification rate.And its intensity is high, is not susceptible to dry contraction.
The above is only the preferred embodiment of the present invention, and protection scope of the present invention is not limited merely to above-mentioned implementation
Example, all technical solutions belonged under thinking of the present invention all belong to the scope of protection of the present invention.It should be pointed out that for the art
Those of ordinary skill for, several improvements and modifications without departing from the principles of the present invention, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (9)
1. a kind of production method of autoclave aerated concrete building block, which is characterized in that include the following steps：
S1, peppermint, climbing groundsel, tealeaves and rhizoma zingiberis are chosen, and is ground and crushed, obtain A product；
S2, water is added to mix sand, gypsum, ceramic waste residue and flyash and is milled into slurry, obtain B product；
S3, lime, cement, foaming agent, water-retaining agent, foam stabilizer, fiber, the A product and the B product are mixed, and stir into C
Product；
S4, purifying formaldehyde adsorbent, tealeaves and fiber mixing are taken, obtains D product；
S5, the bottom pouring first layer C product in mold, then D product are laid on first layer C product, finally second is poured into a mould again on D product
Layer C product, obtain idiosome, by idiosome heating precuring；
S6, the idiosome after precuring is demoulded, cut, steam press maintenance, cooling obtains finished product.
2. the production method of a kind of autoclave aerated concrete building block according to claim 1, which is characterized in that in a mold
After being laid with D product, interval plugs branched hollow pipe on D product, and capillary is inserted in every hollow pipe, is had in capillary
After second layer C product casting completes, hollow pipe is extracted for air-bubble, then by idiosome heating precuring.
3. the production method of a kind of autoclave aerated concrete building block according to claim 2, which is characterized in that described hollow
Pipe protrudes idiosome surface close to one end of C product, and one end of the capillary is embedded in D product, and the capillary deviates from the one of D product
End is flushed with idiosome surface.
A kind of 4. production method of autoclave aerated concrete building block according to claim 2, which is characterized in that the capillary
The internal diameter of pipe is 0.3-2.5mm, wall thickness 0.075-0.85mm.
A kind of 5. production method of autoclave aerated concrete building block according to claim 2, which is characterized in that adjacent hollow
The distance between pipe is 50-80cm.
A kind of 6. production method of autoclave aerated concrete building block according to claim 2, which is characterized in that the bubble
Water is the aqueous solution containing carbon dioxide or ozone or argon gas.
7. the production method of a kind of autoclave aerated concrete building block according to claim 1, which is characterized in that be layed in institute
The thickness ratio for stating the first layer C product in mold, D product and second layer C product is 30:5-10:20.
8. a kind of autoclave aerated concrete building block made of method by described in claim 1-7 any one, which is characterized in that
Adsorption layer (2) including two layers of basal layer (1) and between two layers of basal layer (1), the basal layer (1) include lime, water
Mud, foaming agent, water-retaining agent, foam stabilizer, fiber, peppermint, climbing groundsel, tealeaves, rhizoma zingiberis, sand, gypsum, ceramic waste residue and flyash,
The adsorption layer (2) includes purifying formaldehyde adsorbent, tealeaves and fiber.
9. a kind of autoclave aerated concrete building block according to claim 8, which is characterized in that in the basal layer (1)
Water-retaining agent, fiber, peppermint, climbing groundsel, tealeaves and the parts by weight of rhizoma zingiberis are respectively：0.5-0.7 parts of water-retaining agent, fiber 7-15
5-7 parts of part, 7-9 parts of peppermint, 7-9 parts of climbing groundsel, 5-6 parts of tealeaves and rhizoma zingiberis；The weight proportion of each component in the adsorption layer (2)
For：3-4 parts of 26-41 parts of purifying formaldehyde adsorbent, 5-10 parts of tealeaves and fiber.
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| CN111943617A (en) * | 2020-07-30 | 2020-11-17 | 楚雄州恒麟建材有限公司 | Autoclaved aerated concrete block manufacturing process |
| CN112876191A (en) * | 2021-02-03 | 2021-06-01 | 青岛天利兴达新型建材有限公司 | Autoclaved aerated concrete block and preparation method thereof |
| CN113152780A (en) * | 2021-05-28 | 2021-07-23 | 曲靖市中泰新型墙材有限公司 | Autoclaved aerated concrete plate and preparation method thereof |
| CN113321517A (en) * | 2021-05-10 | 2021-08-31 | 江苏苏嘉集团新材料有限公司 | Environment-friendly low-carbon magnesia carbon brick and preparation method thereof |
| CN113387637A (en) * | 2021-05-21 | 2021-09-14 | 福建省兴岩建设集团有限公司 | Anti-cracking and anti-corrosion concrete and preparation method thereof |
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