CN110218072A - Autoclave aerated concrete building block/plate and preparation method containing new type mortar - Google Patents

Autoclave aerated concrete building block/plate and preparation method containing new type mortar Download PDF

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Publication number
CN110218072A
CN110218072A CN201910419612.7A CN201910419612A CN110218072A CN 110218072 A CN110218072 A CN 110218072A CN 201910419612 A CN201910419612 A CN 201910419612A CN 110218072 A CN110218072 A CN 110218072A
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China
Prior art keywords
new type
slurry
type mortar
building block
ball milling
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CN201910419612.7A
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Inventor
徐韦洪
杨步雷
钟继
李泽钢
刘小成
杨淑芬
吴唐鹏
赵先明
杨明
胡军
王泽松
曾强
朱国飞
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Guizhou Kailin Quality Inspection Center LLC
Guizhou Xinchang Hang Technology Co Ltd
GUIZHOU KAILIN PHOSPHOGYPSUM UTILIZATION Co Ltd
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Guizhou Kailin Quality Inspection Center LLC
Guizhou Xinchang Hang Technology Co Ltd
GUIZHOU KAILIN PHOSPHOGYPSUM UTILIZATION Co Ltd
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Priority to CN201910419612.7A priority Critical patent/CN110218072A/en
Publication of CN110218072A publication Critical patent/CN110218072A/en
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    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B28/00Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
    • C04B28/34Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing cold phosphate binders
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2201/00Mortars, concrete or artificial stone characterised by specific physical values
    • C04B2201/20Mortars, concrete or artificial stone characterised by specific physical values for the density
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2201/00Mortars, concrete or artificial stone characterised by specific physical values
    • C04B2201/50Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)

Abstract

The invention discloses autoclave aerated concrete building block/plates containing new type mortar, are made of the raw material of following weight percent: siliceous material 47~77%, new type mortar 8~15%, lime 8~15%, aluminium powder cream 5~25%, surplus are waste material;The new type mortar is made of raw material from the following weight: 95~120 parts of clinker, 25~40 parts of magnesium phosphate cement, 2~8 parts of semi-hydrated gypsum.The explosion of autoclave aerated concrete building block made from the method for the present invention, sticking to mould and damage depth are 1~3mm, no more than 10mm, plane is without bending, surface splits without loose, layer, greasy dirt, it produces dry density rank and compression strength rank is respectively the building block of B06 grades, A5.0 grades, meet high-class product building block as defined in standard GB/T 11968-2006, improves the compression strength of autoclave aerated concrete building block.

Description

Autoclave aerated concrete building block/plate and preparation method containing new type mortar
Technical field
The invention belongs to concrete segment technical fields, more particularly to the steam-pressing aero-concrete containing new type mortar is built Block/plate and preparation method.
Background technique
Steam-pressing aero-concrete belongs to building for country's popularization as a kind of low energy consumption, environment-friendly type New Building Materials Build material.Autoclave aerated concrete building block has the characteristics that light, high-strength, heat preservation, heat-insulated, sound absorption, fire prevention, is widely used in frame Frame structure, the exterior wall filling of cast-in-place concrete structure building, interior wall partition, it can also be used to outside antidetonation ring beam structure tier building Wall or thermal insulation composite wall body are also used for the heat preservation of building roofing and heat-insulated.
Currently, the novel wall material based on steam pressurized foam concrete is rapidly developed, instead of viscous The tradition wall materials such as cob brick, solid brick become the main composition part of materials for wall.Compared with tradition wall material, steam pressure Aerated concrete products have the characteristics that light-weight, excellent thermal insulation performance, in recent years, with energy Saving Design of Residential Buildings standard It is continuously improved, the thermal insulation property of high density building block has been unable to meet the design requirement of current energy conservation standard.The steam pressure of low-density adds Although gas concrete segment has preferable thermal insulation property, but because the deficiency of the performances such as its physical strength can not be widely used.Cause This, the good autoclave aerated concrete building block of excellent thermal insulation performance, physical strength will be inexorable trend that following building materials develop.
Autoclave aerated concrete building block is usually with flyash, cement, lime, gypsum etc. for primary raw material, and incorporation is appropriate Foaming agent, poured it is quiet stop, excision forming, high-temperature steam curing and a kind of manufactured lightweight, the novel building wall with closed porosity Body material.Autoclave aerated concrete building block has that bulk density light, heat preservation, heat-insulated, waterproof, sound-absorbing, anti-seismic performance is good, site operation side Just the advantages that, is a kind of sound insulation, the good New Building Materials of thermal insulation property, is primarily adapted for use in the filling of frame and skyscraper Wall, non-bearing division wall, energy saving building exterior enclosure wall composite heat-insulating layer and self-heat conserving external wall, roofing heat-insulating layer etc., be state Inside and outside widely applied New Energy Saving Wall Materials.
In recent years, the production technology equipment and technical level of China's steam-pressing aero-concrete industry make rapid progress, have Advanced international standard is had reached, production technology level is also constantly progressive.Currently, the public affairs about autoclave aerated concrete building block Opening document has, such as:
1, patent application CN201910024177.8, disclose a kind of autoclave aerated concrete building block and preparation method thereof and Using the autoclave aerated concrete building block is mixed with by solid dry material, foaming agent and water, wherein the solid is dry Material is made of the raw material of following mass percent: dry construction slurry/building mud cake 20%-40%, yellow ground 23%-46%, Quick lime 15%-25%, cement 10%-20%, desulfurized gypsum 0.5%-1.5%;The foaming agent accounts for the solid dry material The 0.07%-0.10% of gross mass;The water accounts for the 65%-75% of the solid dry material gross mass.The steam pressurized coagulation Earth building blocks and preparation method thereof can be realized on the whole by the solid dry material of specific proportion, the compounding of foaming agent and water Properties of product are up to state standards, and can be used as New Energy Saving Wall Materials and are widely applied, and is with short production cycle.
2, patent application CN201810354421.2 discloses a kind of more hole self-heat insulating building blocks of steam-pressing aero-concrete Preparation method, comprising the following steps: (1) before the casting aerated concrete, several revolution core models, institute are placed in mold Stating revolution core model includes endless belt and the motor for driving the endless belt rotation, the endless belt whole laterally setting and endless belt Zone face it is vertically arranged;(2) revolution core model place after the completion of, successively carry out casting aerated concrete, foaming and it is quiet stop conserving, Casting aerated concrete, foaming and it is quiet stop maintenance during, motor always band ring-shaped belt one-directional rotation or positive and negative alternate turn It is dynamic;(3) it is quiet stop maintenance after the completion of, will revolution core model take out;(4) air-mixed concrete pieces base is cut into the small of standard block size Building block;(5) autoclave at high temperature is carried out to small building block, makes building block that there is enough intensity.
3, patent application CN201810373927.8 discloses a kind of autoclave aerated concrete building block, belongs to construction material Technical field solves the problems, such as that existing air entrained concrete generation bubble in foaming is unstable, the group including following parts by weight Point: 80~120 parts of cement;150~200 parts of lime;500~800 parts of modified coal ash;5~10 parts of aluminium cream;Water 100~200 Part;Modified 0.5~1.5 part of foam stabilizer.Autoclave aerated concrete building block prepared by the present invention has good foaming effect, makes to mix Careful bubble is filled in solidifying soil, the thermal and insulating performance of building block is preferable, is conducive to improve product quality and qualification rate.
4, patent application CN201810360153.5 discloses the high-strength accurate autoclave aerated concrete building block of one kind and preparation Method.With calcareous material, siliceous material, be raw material, using chemical entraining technology, adjusting raw material CaO/SiO2 molar ratio is 0.50-0.56 obtains preparing high-strength steam pressurized mixed according to the basic match ratio of CaO, SiO2 test result in raw material and factory The calcareous material of solidifying earth building blocks and the optimized mix-proportion of siliceous material, while the mass ratio of water and dry powder is 0.51-0.53.Lead to again Cross mortar consistency tester measure green body sink to value be 15~19mm when carry out green body demoulding.And use following conservation system: into kettle temperature 110~120 DEG C of degree, vacuumizes 0.5h, boosts to 1.25~1.28MPa, 190 DEG C of temperature, constant pressure 7h, is depressured 2h.Pass through we Method provides one kind suitable for most common, and dry density is B06 rank, cubic compressive strength not less than 5MPa, size permission Deviation is length direction ± 2mm, the preparation side of the high-strength accurate autoclave aerated concrete building block of width and short transverse ± 1mm Method, for air entrained concrete, enterprise provides guidance.
5, patent application CN201810691294.5 discloses a kind of low bulk density high-strength autoclaved aerated concrete building block Preparation method, slurrying → grinding → casting → cutting → steam-cured;Low bulk density steam-pressing aero-concrete is researched and developed using glass tailing to build A1.0B02 grades of products of block, lighter than existing B04~B07 grades of weight, every cube of weight can be kept the temperature less than 225 kilograms Ornament materials, self-heat conserving thin plate paste on constructional column, play the role of heat-insulating sound-insulating, effectively prevent heat bridge phenomenon;The present invention fills out Blank of the China Bu Liao in terms of low bulk density product increases Products popularity, occupation rate on the market.
But in the technical solution of the above patent application publication, the cementitious matter as used in autoclave aerated concrete building block For general ordinary portland cement, since first final setting time is long, cause during the preparation process cement consumption it is big, green body from it is quiet stop to Clipping time is partially long, seriously constrains the continuous production process of production line, and existing majority enterprise problems faced is in process of production Subsequent diced system is often in the hardening for waiting green body.And after being cast using the building block of ordinary portland cement preparation, plate It is easy to produce irregular bubble, so that green body stomata is more, is not easy to be vibrated out by oscillating column pump, so that autoclave aerated concrete building block Intensity is not high, impacts to construction quality, to hide some dangers for for engineering total quality.In addition it is direct to increase meeting for cement consumption Increase production cost, lacks market core and strive power unexpectedly.
In addition, being inspected by random samples steam pressurized mixed from the related Minister of the General Administration for Quality Supervision, provinces and cities such as Shanghai in recent years, Guangzhou, Shandong, Henan, Guizhou The Examined of solidifying earth building blocks quality is seen, product as defined in standard GB/T 11968 is met, and the intensity index overwhelming majority is only capable of full The requirement of sufficient qualified product, i.e., production keep in the past 30 years it is consistent (qualified product as defined in GB11968-89 intensity rank refer to Mark is consistent with GB11968-2006), and can satisfy high-class product requirement is phoenix feathers and unicorn horns, extremely rare, endurance quality It is unavoidably worrying.The autoclave aerated concrete building block produced such as 80 enterprises of sampling observation in 2013, Guangdong Administration of Quality and Technology Supervision of Shanxi Province 80 batch of product, qualified product have 49 batches, all qualified products, wherein 48 batch dry density ranks and intensity rank difference For B07 grades, A5.0 grades and B06 grades, the A3.5 grades building blocks of 1 batch.For another example Shanghai City Administration of Quality and Technology Supervision inspects 80 by random samples in 2016 19 batch of autoclave aerated concrete building block product of enterprise's production, it is qualified product, dry density grade that qualified product, which has 16 batches, Not and intensity rank is also B06 grades, A3.5 grades of building blocks, makes us feeling sorry, undoubtedly greatly wastes resource and feels ashamed in the face of elder generation Into production technology equipment.
Therefore, new type mortar how to be used to prepare the steam-pressing aero-concrete block that performance had both met national standard high-class product Block can be improved the intensity and speed of production of autoclave aerated concrete building block, be a project urgently to be resolved.
Summary of the invention
The present invention in order to solve the above technical problems, provide autoclave aerated concrete building block/plate containing new type mortar and Preparation method.The explosion of autoclave aerated concrete building block made from the method for the present invention, sticking to mould and damage depth are 1~3mm, are no more than 10mm, plane is without bending, and surface splits without loose, layer, greasy dirt, and producing dry density rank and compression strength rank is respectively B06 Grade, A5.0 grades of building block, improve the compression strength of autoclave aerated concrete building block.
In order to reach purpose described above, the invention adopts the following technical scheme:
A kind of autoclave aerated concrete building block/plate containing new type mortar, is made: silicon of the raw material of following weight percent Material 47~77%, new type mortar 8~15%, lime 8~15%, aluminium powder cream 5~25%, surplus are waste material;It is described novel Mortar is made of raw material from the following weight: 95~120 parts of clinker, 25~40 parts of magnesium phosphate cement, semi-hydrated gypsum 2~8 Part.
Further, the autoclave aerated concrete building block/plate containing new type mortar, by following weight percent Raw material is made: siliceous material 55%, new type mortar 12%, lime 12%, aluminium powder cream 15%, surplus are waste material;The Novel sand Slurry is made of raw material from the following weight: 105 parts of clinker, 33 parts of magnesium phosphate cement, 5 parts of semi-hydrated gypsum.
In the application, new type mortar used the preparation method comprises the following steps: weighing clinker, magnesium phosphate water according to parts by weight Then mud, semi-hydrated gypsum carry out preliminary drying dry-cure respectively, the later raw material of above-mentioned preliminary drying dry-cure is sent into ball milling in ball mill 18~25min is mixed, the temperature of the preliminary drying dry-cure is 35~50 DEG C, the time is 180~220min, relative air humidity is 20~25%, being milled to material specific surface area is 300~400m2The good material of above-mentioned ball milling is sent into blender and is carried out by/kg It is stirred, after crossing 70~90 μm of square hole screens, obtains fineness 10% hereinafter, first, final setting time is 70~140min, effectively Cao content is greater than 63% powder gelatin material, and the new type mortar is made.
Further, the fineness of the new type mortar is that can cross 75~85 μm of square hole screens, just, final setting time for 70~ 140min, effective CaO content > 63%.
Further, the siliceous material is sand or flyash;The sand is silica sand, clay content < 15%, silica Content > 75%;The flyash is the solid waste after thermal power plant coal burning.
Further, the lime is quick lime, and the content of free calcium oxide is greater than 70%;The aluminium powder cream meets following Condition: solid point >=65%, activated aluminum >=85%, fineness 0.075mm tails over rate≤3%.
Further, the semi-hydrated gypsum is chemical gypsum, in the natural gypsum, desulfurized gypsum, citric acid gypsum, the plaster of paris One or more;The plaster of paris is product of the ardealite after calcining and sloughing 3/2 crystallization water, and chemical formula is CaSO4·1/2H2O。
Further, the magnesium phosphate cement is the mixture of dead burnt magnesite and monoammonium phosphate, and dead burnt magnesite and monoammonium phosphate Ratio=2~3:1;The dead burnt magnesite by magnesite after 1900 DEG C of 3~4h of calcining grinding obtain, content of magnesia be 90~ 93%, fineness is 150~200 mesh;The fineness of the monoammonium phosphate is 200~300 mesh, and nutrient content is 53~60%;It is described Clinker is semi-finished product when cement plant produces cement.
Further, a kind of preparation method of the autoclave aerated concrete building block containing new type mortar, comprising the following steps:
(1) it is homogenized: weighing siliceous material, waste material according to mass percent, siliceous material and waste material are sent into ball mill, Ball milling is carried out after deionized water is added, mixes thoroughly to obtain slurry;
(2) ingredient: weighing new type mortar, lime, aluminium powder cream according to mass percent, sequentially adds in Xiang Shangshu slurry new In 22~30cm aluminium powder cream is added after stirring 1.5~3min, 35~50s of stirring is made mixed in molding sand slurry, lime, control diffusance Solidifying soil paste material;
(3) it is poured: above-mentioned concrete slurry is poured, pouring temperature is controlled at 40~55 DEG C;
(4) quiet to stop: to be sent to quiet room of stopping after pouring and rest that 1.5~4.5h is got angry, slurry hardens;
(5) steam press maintenance: it is quiet stop after cut, be then fed into still kettle and carry out steam press maintenance, 35~ It is evacuated down to -0.06MPa in 40min, pressure is raised to 0.8~1.0MPa in 1.5~2.3h, temperature is raised to 185~193 DEG C, 185 DEG C of retention times of steam pressure temperature in the kettle > are 7~10h, and steam is then exhausted in 1.5~3h, and kettle is packaged out, is sent to Natural curing 5d in stockyard obtains the autoclave aerated concrete building block containing new type mortar.
Further, in step (1), the additional amount of the deionized water is the 55 of the siliceous material and waste material total weight ~57%;The fineness control of the slurry is 0.07~0.09mm square hole screen, and moisture control is 37~44%.
Further, in step (1), the method for the ball milling are as follows: first 1.5~3min of ball milling, it is then out of service, it concedes points Grinding machine cools down 15~20min, then carries out ball milling, so repeats ball milling, and the time run in total is 1~2h, the temperature of ball milling Degree is 125~140 DEG C.
Further, a kind of preparation method of the autoclaved aerated concrete slab containing new type mortar, comprising the following steps:
1. homogenizing: siliceous material, waste material are weighed according to mass percent, siliceous material and waste material are sent into ball mill, Ball milling is carried out after deionized water is added, mixes thoroughly to obtain slurry;The additional amount of the deionized water is the siliceous material and waste material The 55~57% of total weight;The fineness control of the slurry is 0.07~0.09mm square hole screen, and moisture control is 37~44%; The method of the ball milling are as follows: first 1.5~3min of ball milling, it is then out of service, allow ball mill to cool down 15~20min, then carry out ball Mill, so repeats ball milling, and the time run in total is 1~2h, and the temperature of ball milling is 125~140 DEG C;
2. ingredient: weighing new type mortar, lime, aluminium powder cream according to mass percent, sequentially added in Xiang Shangshu slurry new In 22~30cm aluminium powder cream is added after stirring 1.5~3min, 35~50s of stirring is made mixed in molding sand slurry, lime, control diffusance Solidifying soil paste material;
3. casting: above-mentioned concrete slurry being poured, pouring temperature is controlled at 40~55 DEG C, is sent to after pouring slotting Drill rod and rebar cylinder mould are sequentially inserted into and pour in the concrete slurry being poured in by pricker position;
4. quiet stop: being sent to the quiet room 1.5~4.5h that rests that stops after pouring and get angry, and slurry is allowed to wrap up reinforcing bar And hardening, then the drill rod of embedment is extracted, rebar cylinder mould is retained in green body;
5. steam press maintenance: it is quiet stop after cut, be then fed into still kettle and carry out steam press maintenance, 35~ It is evacuated down to -0.06MPa in 40min, pressure is raised to 0.8~1.0MPa in 1.5~2.3h, temperature is raised to 185~193 DEG C, 185 DEG C of retention times of steam pressure temperature in the kettle > are 7~10h, and steam is then exhausted in 1.5~3h, and kettle is packaged out, is sent to Natural curing 5d in stockyard obtains the autoclaved aerated concrete slab containing new type mortar.
The magnesia after 1900 DEG C of high-temperature calcinations of dead burned magnesia used in the present invention is fine and close, and density is higher than 3.4g/cm3, Magnesium oxide particle intensity is high, and activity reduces, and retarder dosage is less, and the phosphorus magnesium material early strength prepared with it is higher.
Monoammonium phosphate used in the present invention is industrial grade product, its early strength of the phosphorus magnesium material of monoammonium phosphate preparation is obvious Higher than the phosphate of other same types.
The application magnesium phosphate cement has selected high density magnesia and monoammonium phosphate, monoammonium phosphate and magnesia reaction rate It is faster than the phosphate of same type, the intensity prepared using monoammonium phosphate is higher, and in magnesia and monoammonium phosphate proportion, due to oxygen It is excessive to change magnesium, guarantees that phosphate component is reacted thoroughly completely, the complete magnesium oxide particle of unreacted, its own intensity is high, generates micro- Gather materials effect, further increases the intensity of phosphorus magnesium material.
Since present invention employs above technical schemes, have the advantages that
(1) the application autoclave aerated concrete building block is made of siliceous material and new type mortar, and controls siliceous raw material The content of middle silica so that concrete segment possesses preferable calcium silicon ratio, and then improves the generation of hydrated product and allows Hydrated product has best crystallinity, so that autoclave aerated concrete building block be enable to obtain high-intensitive and high-durability, and combines Preparation method rationally control steam press maintenance and etc. technological parameter, enable raw material crystallinity preferable, further ensure block Block obtains high-intensitive, high durable and lesser drying shrinkage value, reaches high-class product as defined in GB11968 to produce.
(2) material matching of the present invention is scientific and reasonable, controls reasonable water additional amount in the preparation, obtains and well obtains water material Than can satisfy raw material and sufficiently carry out chemical reaction and moulding by casting, can make raw material that there is suitable mobility, be mentioned to get angry For necessary condition, it can also make raw material that there is suitable consistency, get angry smooth, so that building block be made to obtain good stomata knot Structure further increases the intensity of building block, will not only make building block occur collapsing mould or take off top phenomenon, but also can be shortened the quiet stopping time Between.
(3) currently, building block on the market all has ignored calcium silicon ratio in development process, ratio of water to material and steam press maintenance are put undue emphasis on Effect, the present invention improves the performance of building block by calcium silicon than, ratio of water to material and steam press maintenance etc., using reasonable calcium silicon Than, ratio of water to material and scientific and reasonable preparation method, so that hydrated product improves, cohesive force is improved, to improve building block Intensity, durability and resistance drying shrinkage.
(4) explosion of autoclave aerated concrete building block made from the method for the present invention, sticking to mould and damage depth are 1~3mm, are not surpassed 10mm is crossed, plane is without bending, and surface splits without loose, layer, greasy dirt, produces dry density rank and compression strength rank is respectively B06 grades, A5.0 grades of building block, meet high-class product building block as defined in standard GB/T 11968-2006, improve steam pressurized mixed The compression strength of solidifying earth building blocks.
(5) the application creativeness contains magnesium phosphate in new type mortar using new type mortar substitution cement as cementitious material Cement, condensation is very fast, and magnesium phosphate cement is added in mortar can promote green body to harden, between the quiet stopping time of shortening mortar, protects Card mortar is first, final setting time is 70~140min, and the presetting period of ordinary portland cement is usually 150~200min, because This, shortens 30~60min between preparing air-entrained concrete building block/plate stopping time more quiet than ordinary portland cement with the new type mortar, Shortening building block/plate hardening time in turn reduces the production cost of steam-pressing aero-concrete to improve production efficiency, Improve productivity effect;And the diffusance of mixed slurry can also be improved, enhance the mobility of slurry, be conducive to be poured slurry The removal of middle stomata, and then slurry can be made to wrap up reinforcing bar well, concrete is improved to the bond stress of reinforcing bar.
Specific embodiment
Specific embodiments of the present invention will be described in further detail below, but the invention is not limited to these realities Mode is applied, it is claimed to still fall within the claims in the present invention for any improvement or replacement on the present embodiment essence spirit Range.
Embodiment 1
A kind of autoclave aerated concrete building block/plate containing new type mortar, is made: silicon of the raw material of following weight percent Material 47%, new type mortar 8%, lime 8%, aluminium powder cream 5%, surplus are waste material;The new type mortar is by following parts by weight Raw material be made: 95 parts of clinker, 25 parts of magnesium phosphate cement, 2 parts of semi-hydrated gypsum.
Further, the fineness of the new type mortar is that can cross 75 μm of square hole screens, just, final setting time 70min, effective CaO content > 63%;The siliceous material is sand or flyash;The sand is silica sand, clay content < 15%, dioxide-containing silica > 75%;The flyash is the solid waste after thermal power plant coal burning;The lime is quick lime, the content of free calcium oxide Greater than 70%;The aluminium powder cream meets the following conditions: solid point >=65%, activated aluminum >=85%, fineness 0.075mm tails over rate ≤ 3%;The semi-hydrated gypsum is one of chemical gypsum, the natural gypsum, desulfurized gypsum, citric acid gypsum, the plaster of paris or one Kind or more;The plaster of paris is product of the ardealite after calcining and sloughing 3/2 crystallization water, chemical formula CaSO4·1/2H2O; The magnesium phosphate cement is the mixture of dead burnt magnesite and monoammonium phosphate, and ratio=2:1 of dead burnt magnesite and monoammonium phosphate;It is described heavy Burning magnesium, the grinding after 1900 DEG C of calcining 3h obtains by magnesite, and content of magnesia 90%, fineness is 150 mesh;The phosphoric acid one The fineness of ammonium is 200 mesh, and nutrient content is 53%;The clinker is semi-finished product when cement plant produces cement.
A kind of preparation method of the autoclave aerated concrete building block containing new type mortar, comprising the following steps:
(1) it is homogenized: weighing siliceous material, waste material according to mass percent, siliceous material and waste material are sent into ball mill, Ball milling is carried out after deionized water is added, mixes thoroughly to obtain slurry;
The additional amount of the deionized water is the 55% of the siliceous material and waste material total weight;The fineness control of the slurry It is made as 0.07mm square hole screen, moisture control 37%;The method of the ball milling are as follows: first ball milling 1.5min, it is then out of service, It allows ball mill to cool down 15min, then carries out ball milling, so repeat ball milling, the time run in total is 1h, and the temperature of ball milling is 125℃;
(2) ingredient: weighing new type mortar, lime, aluminium powder cream according to mass percent, sequentially adds in Xiang Shangshu slurry new In 22cm aluminium powder cream is added after stirring 1.5min, concrete slurry is made in stirring 35s in molding sand slurry, lime, control diffusance;
(3) it is poured: above-mentioned concrete slurry is poured, pouring temperature is controlled at 40 DEG C;
(4) quiet to stop: be sent to after pouring it is quiet stop room rest 1.5h got angry, slurry hardening;
(5) steam press maintenance: it is quiet stop after cut, be then fed into still kettle and carry out steam press maintenance, in 35min It is evacuated down to -0.06MPa, pressure is raised to 0.8MPa in 1.5h, temperature is raised to 185 DEG C, 185 DEG C of steam pressure temperature in the kettle > guarantors Holding the time is 7h, and steam is then exhausted in 1.5h, and kettle is packaged out, is sent to stockyard natural curing 5d, is obtained described containing novel The autoclave aerated concrete building block of mortar.
A kind of preparation method of the autoclaved aerated concrete slab containing new type mortar, comprising the following steps:
1. homogenizing: siliceous material, waste material are weighed according to mass percent, siliceous material and waste material are sent into ball mill, Ball milling is carried out after deionized water is added, mixes thoroughly to obtain slurry;
The additional amount of the deionized water is the 55% of the siliceous material and waste material total weight;The fineness control of the slurry It is made as 0.07mm square hole screen, moisture control 37%;The method of the ball milling are as follows: first ball milling 1.5min, it is then out of service, It allows ball mill to cool down 15min, then carries out ball milling, so repeat ball milling, the time run in total is 1h, and the temperature of ball milling is 125℃;
2. ingredient: weighing new type mortar, lime, aluminium powder cream according to mass percent, sequentially added in Xiang Shangshu slurry new In 22cm aluminium powder cream is added after stirring 1.5min, concrete grout is made in 35~50s of stirring in molding sand slurry, lime, control diffusance Material;
3. casting: above-mentioned concrete slurry being poured, pouring temperature is controlled at 40 DEG C, and plug in pricker position is sent to after pouring It sets, drill rod and rebar cylinder mould is sequentially inserted into and poured in the concrete slurry being poured in;
4. quiet stop: being sent to the quiet room 1.5h that rests that stops after pouring and get angry, and slurry is allowed to carry out package and hard to reinforcing bar Change, then extract the drill rod of embedment, rebar cylinder mould is retained in green body;
5. steam press maintenance: it is quiet stop after cut, be then fed into still kettle and carry out steam press maintenance, in 35min It is evacuated down to -0.06MPa, pressure is raised to 0.8MPa in 1.5h, temperature is raised to 185 DEG C, 185 DEG C of steam pressure temperature in the kettle > guarantors Holding the time is 7h, and steam is then exhausted in 1.5h, and kettle is packaged out, is sent to stockyard natural curing 5d, is obtained described containing novel The autoclaved aerated concrete slab of mortar.
Embodiment 2
A kind of autoclave aerated concrete building block/plate containing new type mortar, is made: silicon of the raw material of following weight percent Material 77%, new type mortar 15%, lime 15%, aluminium powder cream 25%, surplus are waste material;The new type mortar is by following weight The raw material of part is made: 120 parts of clinker, 40 parts of magnesium phosphate cement, 8 parts of semi-hydrated gypsum.
Further, the fineness of the new type mortar is that can cross 85 μm of square hole screens, just, final setting time 140min, effective CaO content > 63%;The siliceous material is sand or flyash;The sand is silica sand, clay content < 15%, dioxide-containing silica > 75%;The flyash is the solid waste after thermal power plant coal burning;The lime is quick lime, the content of free calcium oxide Greater than 70%;The aluminium powder cream meets the following conditions: solid point >=65%, activated aluminum >=85%, fineness 0.075mm tails over rate ≤ 3%;The semi-hydrated gypsum is one of chemical gypsum, the natural gypsum, desulfurized gypsum, citric acid gypsum, the plaster of paris or one Kind or more;The plaster of paris is product of the ardealite after calcining and sloughing 3/2 crystallization water, chemical formula CaSO4·1/2H2O; The magnesium phosphate cement is the mixture of dead burnt magnesite and monoammonium phosphate, and ratio=3:1 of dead burnt magnesite and monoammonium phosphate;It is described heavy Burning magnesium, the grinding after 1900 DEG C of calcining 4h obtains by magnesite, and content of magnesia 93%, fineness is 200 mesh;The phosphoric acid one The fineness of ammonium is 300 mesh, and nutrient content is 60%;The clinker is semi-finished product when cement plant produces cement.
A kind of autoclave aerated concrete building block/plate preparation method containing new type mortar, comprising the following steps:
(1) it is homogenized: weighing siliceous material, waste material according to mass percent, siliceous material and waste material are sent into ball mill, Ball milling is carried out after deionized water is added, mixes thoroughly to obtain slurry;
The additional amount of the deionized water is the 57% of the siliceous material and waste material total weight;The fineness control of the slurry It is made as 0.09mm square hole screen, moisture control 44%;The method of the ball milling are as follows: first ball milling 3min, it is then out of service, it allows Ball mill cools down 20min, then carries out ball milling, so repeats ball milling, and the time run in total is 2h, and the temperature of ball milling is 140℃;
(2) ingredient: weighing new type mortar, lime, aluminium powder cream according to mass percent, sequentially adds in Xiang Shangshu slurry new In 30cm aluminium powder cream is added after stirring 3min, concrete slurry is made in 35~50s of stirring in molding sand slurry, lime, control diffusance;
(3) it is poured: above-mentioned concrete slurry is poured, pouring temperature is controlled at 55 DEG C;
(4) quiet to stop: be sent to after pouring it is quiet stop room rest 4.5h got angry, slurry hardening;
(5) steam press maintenance: it is quiet stop after cut, be then fed into still kettle and carry out steam press maintenance, in 40min It is evacuated down to -0.06MPa, pressure is raised to 1.0MPa in 2.3h, temperature is raised to 193 DEG C, 185 DEG C of steam pressure temperature in the kettle > guarantors Holding the time is 10h, and steam is then exhausted in 3h, and kettle is packaged out, is sent to stockyard natural curing 5d, obtains described containing Novel sand The autoclave aerated concrete building block of slurry.
A kind of preparation method of the autoclaved aerated concrete slab containing new type mortar, comprising the following steps:
1. homogenizing: siliceous material, waste material are weighed according to mass percent, siliceous material and waste material are sent into ball mill, Ball milling is carried out after deionized water is added, mixes thoroughly to obtain slurry;
The additional amount of the deionized water is the 57% of the siliceous material and waste material total weight;The fineness control of the slurry It is made as 0.09mm square hole screen, moisture control 44%;The method of the ball milling are as follows: first ball milling 3min, it is then out of service, it allows Ball mill cools down 20min, then carries out ball milling, so repeats ball milling, and the time run in total is 2h, and the temperature of ball milling is 140℃;
2. ingredient: weighing new type mortar, lime, aluminium powder cream according to mass percent, sequentially added in Xiang Shangshu slurry new In 30cm aluminium powder cream is added after stirring 3min, concrete slurry is made in 35~50s of stirring in molding sand slurry, lime, control diffusance;
3. casting: above-mentioned concrete slurry being poured, pouring temperature is controlled at 55 DEG C, and plug in pricker position is sent to after pouring It sets, drill rod and rebar cylinder mould is sequentially inserted into and poured in the concrete slurry being poured in;
4. quiet stop: being sent to the quiet room 4.5h that rests that stops after pouring and get angry, and slurry is allowed to carry out package and hard to reinforcing bar Change, then extract the drill rod of embedment, rebar cylinder mould is retained in green body;
5. steam press maintenance: it is quiet stop after cut, be then fed into still kettle and carry out steam press maintenance, in 40min It is evacuated down to -0.06MPa, pressure is raised to 1.0MPa in 2.3h, temperature is raised to 193 DEG C, 185 DEG C of steam pressure temperature in the kettle > guarantors Holding the time is 10h, and steam is then exhausted in 3h, and kettle is packaged out, is sent to stockyard natural curing 5d, obtains described containing Novel sand The autoclaved aerated concrete slab of slurry.
Embodiment 3
A kind of autoclave aerated concrete building block/plate containing new type mortar, is made: silicon of the raw material of following weight percent Material 50%, new type mortar 9%, lime 9%, aluminium powder cream 10%, surplus are waste material;The new type mortar is by following parts by weight Raw material be made: 100 parts of clinker, 30 parts of magnesium phosphate cement, 3 parts of semi-hydrated gypsum.
Further, the fineness of the new type mortar is that can cross 78 μm of square hole screens, just, final setting time 80min, effective CaO content > 63%;The siliceous material is sand or flyash;The sand is silica sand, clay content < 15%, dioxide-containing silica > 75%;The flyash is the solid waste after thermal power plant coal burning;The lime is quick lime, the content of free calcium oxide Greater than 70%;The aluminium powder cream meets the following conditions: solid point >=65%, activated aluminum >=85%, fineness 0.075mm tails over rate ≤ 3%;The semi-hydrated gypsum is one of chemical gypsum, the natural gypsum, desulfurized gypsum, citric acid gypsum, the plaster of paris or one Kind or more;The plaster of paris is product of the ardealite after calcining and sloughing 3/2 crystallization water, chemical formula CaSO4·1/2H2O; The magnesium phosphate cement is the mixture of dead burnt magnesite and monoammonium phosphate, and ratio=2.3:1 of dead burnt magnesite and monoammonium phosphate;It is described By magnesite, the grinding after 1900 DEG C of calcining 3.3h obtains dead burnt magnesite, and content of magnesia 91%, fineness is 160 mesh;The phosphorus The fineness of sour monoammonium is 220 mesh, and nutrient content is 54%;The clinker is semi-finished product when cement plant produces cement.
A kind of preparation method of the autoclave aerated concrete building block containing new type mortar, comprising the following steps:
(1) it is homogenized: weighing siliceous material, waste material according to mass percent, siliceous material and waste material are sent into ball mill, Ball milling is carried out after deionized water is added, mixes thoroughly to obtain slurry;
The additional amount of the deionized water is the 55% of the siliceous material and waste material total weight;The fineness control of the slurry It is made as 0.07mm square hole screen, moisture control 39%;The method of the ball milling are as follows: first ball milling 2min, it is then out of service, it allows Ball mill cools down 16min, then carries out ball milling, so repeats ball milling, and the time run in total is 1.2h, and the temperature of ball milling is 130℃;
(2) ingredient: weighing new type mortar, lime, aluminium powder cream according to mass percent, sequentially adds in Xiang Shangshu slurry new In 23cm aluminium powder cream is added after stirring 2min, concrete slurry is made in stirring 40s in molding sand slurry, lime, control diffusance;
(3) it is poured: above-mentioned concrete slurry is poured, pouring temperature is controlled at 45 DEG C;
(4) quiet to stop: be sent to after pouring it is quiet stop room rest 2.5h got angry, slurry hardening;
(5) steam press maintenance: it is quiet stop after cut, be then fed into still kettle and carry out steam press maintenance, in 36min It is evacuated down to -0.06MPa, pressure is raised to 0.8MPa in 1.6h, temperature is raised to 186 DEG C, 185 DEG C of steam pressure temperature in the kettle > guarantors Holding the time is 8h, and steam is then exhausted in 2h, and kettle is packaged out, is sent to stockyard natural curing 5d, obtains described containing Novel sand The autoclave aerated concrete building block of slurry.
A kind of preparation method of the autoclaved aerated concrete slab containing new type mortar, comprising the following steps:
1. homogenizing: siliceous material, waste material are weighed according to mass percent, siliceous material and waste material are sent into ball mill, Ball milling is carried out after deionized water is added, mixes thoroughly to obtain slurry;
The additional amount of the deionized water is the 55% of the siliceous material and waste material total weight;The fineness control of the slurry It is made as 0.07mm square hole screen, moisture control 39%;The method of the ball milling are as follows: first ball milling 2min, it is then out of service, it allows Ball mill cools down 16min, then carries out ball milling, so repeats ball milling, and the time run in total is 1.2h, and the temperature of ball milling is 130℃;
2. ingredient: weighing new type mortar, lime, aluminium powder cream according to mass percent, sequentially added in Xiang Shangshu slurry new In 23cm aluminium powder cream is added after stirring 3min, concrete slurry is made in 35~50s of stirring in molding sand slurry, lime, control diffusance;
3. casting: above-mentioned concrete slurry being poured, pouring temperature is controlled at 45 DEG C, and plug in pricker position is sent to after pouring It sets, drill rod and rebar cylinder mould is sequentially inserted into and poured in the concrete slurry being poured in;
4. quiet stop: being sent to the quiet room 2.5h that rests that stops after pouring and get angry, and slurry is allowed to carry out package and hard to reinforcing bar Change, then extract the drill rod of embedment, rebar cylinder mould is retained in green body;
5. steam press maintenance: it is quiet stop after cut, be then fed into still kettle and carry out steam press maintenance, in 36min It is evacuated down to -0.06MPa, pressure is raised to 0.8MPa in 1.6h, temperature is raised to 186 DEG C, 185 DEG C of steam pressure temperature in the kettle > guarantors Holding the time is 8h, and steam is then exhausted in 2h, and kettle is packaged out, is sent to stockyard natural curing 5d, obtains described containing Novel sand The autoclaved aerated concrete slab of slurry.
Embodiment 4
A kind of autoclave aerated concrete building block/plate containing new type mortar, is made: silicon of the raw material of following weight percent Material 75%, new type mortar 13%, lime 13%, aluminium powder cream 20%, surplus are waste material;The new type mortar is by following weight The raw material of part is made: 110 parts of clinker, 35 parts of magnesium phosphate cement, 7 parts of semi-hydrated gypsum.
Further, the fineness of the new type mortar is that can cross 83 μm of square hole screens, just, final setting time 130min, effective CaO content > 63%;The siliceous material is sand or flyash;The sand is silica sand, clay content < 15%, dioxide-containing silica > 75%;The flyash is the solid waste after thermal power plant coal burning;The lime is quick lime, the content of free calcium oxide Greater than 70%;The aluminium powder cream meets the following conditions: solid point >=65%, activated aluminum >=85%, fineness 0.075mm tails over rate ≤ 3%;The semi-hydrated gypsum is one of chemical gypsum, the natural gypsum, desulfurized gypsum, citric acid gypsum, the plaster of paris or one Kind or more;The plaster of paris is product of the ardealite after calcining and sloughing 3/2 crystallization water, chemical formula CaSO4·1/2H2O; The magnesium phosphate cement is the mixture of dead burnt magnesite and monoammonium phosphate, and ratio=2.8:1 of dead burnt magnesite and monoammonium phosphate;It is described By magnesite, the grinding after 1900 DEG C of calcining 3.9h obtains dead burnt magnesite, and content of magnesia 92%, fineness is 190 mesh;The phosphorus The fineness of sour monoammonium is 280 mesh, and nutrient content is 59%;The clinker is semi-finished product when cement plant produces cement.
A kind of preparation method of the autoclave aerated concrete building block containing new type mortar, comprising the following steps:
(1) it is homogenized: weighing siliceous material, waste material according to mass percent, siliceous material and waste material are sent into ball mill, Ball milling is carried out after deionized water is added, mixes thoroughly to obtain slurry;
The additional amount of the deionized water is the 57% of the siliceous material and waste material total weight;The fineness control of the slurry It is made as 0.09mm square hole screen, moisture control 42%;The method of the ball milling are as follows: first ball milling 2.5min, it is then out of service, It allows ball mill to cool down 19min, then carries out ball milling, so repeat ball milling, the time run in total is 1.8h, the temperature of ball milling It is 135 DEG C;
(2) ingredient: weighing new type mortar, lime, aluminium powder cream according to mass percent, sequentially adds in Xiang Shangshu slurry new In 29cm aluminium powder cream is added after stirring 2.5min, concrete slurry is made in stirring 45s in molding sand slurry, lime, control diffusance;
(3) it is poured: above-mentioned concrete slurry is poured, pouring temperature is controlled at 50 DEG C;
(4) quiet to stop: be sent to after pouring it is quiet stop room rest 3.5h got angry, slurry hardening;
(5) steam press maintenance: it is quiet stop after cut, be then fed into still kettle and carry out steam press maintenance, in 39min It is evacuated down to -0.06MPa, pressure is raised to 1.0MPa in 2.1h, temperature is raised to 190 DEG C, 185 DEG C of steam pressure temperature in the kettle > guarantors Holding the time is 9h, and steam is then exhausted in 2.5h, and kettle is packaged out, is sent to stockyard natural curing 5d, is obtained described containing novel The autoclave aerated concrete building block of mortar.
A kind of preparation method of the autoclaved aerated concrete slab containing new type mortar, comprising the following steps:
1. homogenizing: siliceous material, waste material are weighed according to mass percent, siliceous material and waste material are sent into ball mill, Ball milling is carried out after deionized water is added, mixes thoroughly to obtain slurry;
The additional amount of the deionized water is the 57% of the siliceous material and waste material total weight;The fineness control of the slurry It is made as 0.09mm square hole screen, moisture control 42%;The method of the ball milling are as follows: first ball milling 2.5min, it is then out of service, It allows ball mill to cool down 19min, then carries out ball milling, so repeat ball milling, the time run in total is 1.8h, the temperature of ball milling It is 135 DEG C;
2. ingredient: weighing new type mortar, lime, aluminium powder cream according to mass percent, sequentially added in Xiang Shangshu slurry new In 29cm aluminium powder cream is added after stirring 2.5min, concrete grout is made in 35~50s of stirring in molding sand slurry, lime, control diffusance Material;
3. casting: above-mentioned concrete slurry being poured, pouring temperature is controlled at 50 DEG C, and plug in pricker position is sent to after pouring It sets, drill rod and rebar cylinder mould is sequentially inserted into and poured in the concrete slurry being poured in;
4. quiet stop: being sent to the quiet room 3.5h that rests that stops after pouring and get angry, and slurry is allowed to carry out package and hard to reinforcing bar Change, then extract the drill rod of embedment, rebar cylinder mould is retained in green body;
5. steam press maintenance: it is quiet stop after cut, be then fed into still kettle and carry out steam press maintenance, in 39min It is evacuated down to -0.06MPa, pressure is raised to 1.0MPa in 2.1h, temperature is raised to 190 DEG C, 185 DEG C of steam pressure temperature in the kettle > guarantors Holding the time is 9h, and steam is then exhausted in 2.5h, and kettle is packaged out, is sent to stockyard natural curing 5d, is obtained described containing novel The autoclaved aerated concrete slab of mortar.
Embodiment 5
A kind of autoclave aerated concrete building block/plate containing new type mortar, is made: silicon of the raw material of following weight percent Material 55%, new type mortar 12%, lime 12%, aluminium powder cream 15%, surplus are waste material;The new type mortar is by following weight The raw material of part is made: 105 parts of clinker, 33 parts of magnesium phosphate cement, 5 parts of semi-hydrated gypsum.
Further, the fineness of the new type mortar is that can cross 80 μm of square hole screens, just, final setting time 100min, effective CaO content > 63%;The siliceous material is sand or flyash;The sand is silica sand, clay content < 15%, dioxide-containing silica > 75%;The flyash is the solid waste after thermal power plant coal burning;The lime is quick lime, the content of free calcium oxide Greater than 70%;The aluminium powder cream meets the following conditions: solid point >=65%, activated aluminum >=85%, fineness 0.075mm tails over rate ≤ 3%;The semi-hydrated gypsum is one of chemical gypsum, the natural gypsum, desulfurized gypsum, citric acid gypsum, the plaster of paris or one Kind or more;The plaster of paris is product of the ardealite after calcining and sloughing 3/2 crystallization water, chemical formula CaSO4·1/2H2O; The magnesium phosphate cement is the mixture of dead burnt magnesite and monoammonium phosphate, and ratio=2.5:1 of dead burnt magnesite and monoammonium phosphate;It is described By magnesite, the grinding after 1900 DEG C of calcining 3.5h obtains dead burnt magnesite, and content of magnesia 92%, fineness is 170 mesh;The phosphorus The fineness of sour monoammonium is 250 mesh, and nutrient content is 56%;The clinker is semi-finished product when cement plant produces cement.
A kind of preparation method of the autoclave aerated concrete building block containing new type mortar, comprising the following steps:
(1) it is homogenized: weighing siliceous material, waste material according to mass percent, siliceous material and waste material are sent into ball mill, Ball milling is carried out after deionized water is added, mixes thoroughly to obtain slurry;
The additional amount of the deionized water is the 56% of the siliceous material and waste material total weight;The fineness control of the slurry It is made as 0.08mm square hole screen, moisture control 40%;The method of the ball milling are as follows: first ball milling 2.3min, it is then out of service, It allows ball mill to cool down 18min, then carries out ball milling, so repeat ball milling, the time run in total is 1.5h, the temperature of ball milling It is 133 DEG C;
(2) ingredient: weighing new type mortar, lime, aluminium powder cream according to mass percent, sequentially adds in Xiang Shangshu slurry new In 26cm aluminium powder cream is added after stirring 2.3min, concrete slurry is made in stirring 43s in molding sand slurry, lime, control diffusance;
(3) it is poured: above-mentioned concrete slurry is poured, pouring temperature is controlled at 48 DEG C;
(4) quiet to stop: be sent to after pouring it is quiet stop room rest 3.0h got angry, slurry hardening;
(5) steam press maintenance: it is quiet stop after cut, be then fed into still kettle and carry out steam press maintenance, in 38min It is evacuated down to -0.06MPa, pressure is raised to 0.9MPa in 1.9h, temperature is raised to 189 DEG C, 185 DEG C of steam pressure temperature in the kettle > guarantors Holding the time is 8h, and steam is then exhausted in 2.3h, and kettle is packaged out, is sent to stockyard natural curing 5d, is obtained described containing novel The autoclave aerated concrete building block of mortar.
A kind of preparation method of the autoclaved aerated concrete slab containing new type mortar, comprising the following steps:
1. homogenizing: siliceous material, waste material are weighed according to mass percent, siliceous material and waste material are sent into ball mill, Ball milling is carried out after deionized water is added, mixes thoroughly to obtain slurry;
The additional amount of the deionized water is the 56% of the siliceous material and waste material total weight;The fineness control of the slurry It is made as 0.08mm square hole screen, moisture control 40%;The method of the ball milling are as follows: first ball milling 2.3min, it is then out of service, It allows ball mill to cool down 18min, then carries out ball milling, so repeat ball milling, the time run in total is 1.5h, the temperature of ball milling It is 133 DEG C;
2. ingredient: weighing new type mortar, lime, aluminium powder cream according to mass percent, sequentially added in Xiang Shangshu slurry new In 26cm aluminium powder cream is added after stirring 2.3min, concrete grout is made in 35~50s of stirring in molding sand slurry, lime, control diffusance Material;
3. casting: above-mentioned concrete slurry being poured, pouring temperature is controlled at 48 DEG C, and plug in pricker position is sent to after pouring It sets, drill rod and rebar cylinder mould is sequentially inserted into and poured in the concrete slurry being poured in;
4. quiet stop: it is sent to the quiet room 3h that rests that stops after pouring and gets angry, and slurry is allowed to wrap up and harden reinforcing bar, Then the drill rod of embedment is extracted, rebar cylinder mould is retained in green body;
5. steam press maintenance: it is quiet stop after cut, be then fed into still kettle and carry out steam press maintenance, in 38min It is evacuated down to -0.06MPa, pressure is raised to 0.9MPa in 1.9h, temperature is raised to 189 DEG C, 185 DEG C of steam pressure temperature in the kettle > guarantors Holding the time is 8h, and steam is then exhausted in 2.3h, and kettle is packaged out, is sent to stockyard natural curing 5d, is obtained described containing novel The autoclaved aerated concrete slab of mortar.
Comparative example 1
It is carried out according to the embodiment in patent application CN201910024177.8.
Comparative example 2
It is carried out according to the embodiment in patent application CN201810354421.2.
Comparative example 3
It is carried out according to the embodiment in patent application CN201810373927.8.
It carries out preparing autoclave aerated concrete building block using the method for the embodiment of the present application 1~5 and comparative example 1~3, then Distinct methods are detected the compression strength of autoclave aerated concrete building block is made, dry density, drying shrinkage value, between the quiet stopping time, detects As a result as shown in table 1 below.
Table 1
By 1 experimental data of table it is found that the application method be made the compression strength of autoclave aerated concrete building block, dry density, Between drying shrinkage value, quiet stopping time more preferably than comparative example, especially compression strength has obtained larger improvement, meets national standard High-class product building block as defined in GB11968-2006.
In conclusion autoclave aerated concrete building block made from the method for the present invention explosion, sticking to mould and damage depth be 1~ 3mm is no more than 10mm, and plane is without bending, and surface splits without loose, layer, greasy dirt, produces dry density rank and compression strength rank Respectively B06 grades, A5.0 grades of building block, meet high-class product building block as defined in standard GB/T 11968-2006, improve steam pressure The compression strength of air-entrained concrete building block.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie In the case where without departing from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, nothing By from the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended Claim rather than above description limit, it is intended that by the institute in the meaning and scope for the equivalent loins for falling in claim It changes and includes within protection scope of the present invention.

Claims (9)

1. a kind of autoclave aerated concrete building block/plate containing new type mortar, which is characterized in that by the original of following weight percent Material is made: siliceous material 47~77%, new type mortar 8~15%, lime 8~15%, aluminium powder cream 5~25%, surplus are waste material; The new type mortar is made of raw material from the following weight: 95~120 parts of clinker, 25~40 parts of magnesium phosphate cement, half water 2~8 parts of gypsum.
2. autoclave aerated concrete building block/plate according to claim 1 containing new type mortar, which is characterized in that by with The raw material of lower weight percent is made: siliceous material 55%, new type mortar 12%, lime 12%, aluminium powder cream 15%, surplus are useless Material;The new type mortar is made of raw material from the following weight: 105 parts of clinker, 33 parts of magnesium phosphate cement, semi-hydrated gypsum 5 Part, the new type mortar the preparation method comprises the following steps: weigh clinker, magnesium phosphate cement, semi-hydrated gypsum according to parts by weight, then divide Not carry out preliminary drying dry-cure, the later raw material of above-mentioned preliminary drying dry-cure is sent into 18~25min of ball milling mixing in ball mill, it is described The temperature of preliminary drying dry-cure is 35~50 DEG C, the time is 180~220min, relative air humidity is 20~25%, is milled to object Material specific surface area is 300~400m2The good material of above-mentioned ball milling is sent into blender and is stirred mixing, crosses 70~90 by/kg After μm square hole screen, obtain fineness 10% hereinafter, just, final setting time be 70~140min, effective Cao content be greater than 63% powder Body gelling material, is made the new type mortar.
3. autoclave aerated concrete building block/plate according to claim 1 containing new type mortar, it is characterised in that: described The fineness of new type mortar is that can cross 75~85 μm of square hole screens, and first, final setting time is 70~140min, effective CaO content > 63%.
4. autoclave aerated concrete building block/plate according to claim 1 containing new type mortar, it is characterised in that: described Siliceous material is sand or flyash;The sand is silica sand, clay content < 15%, dioxide-containing silica > 75%;The flyash For the solid waste after thermal power plant coal burning.
5. autoclave aerated concrete building block/plate according to claim 1 containing new type mortar, it is characterised in that: described Lime is quick lime, and the content of free calcium oxide is greater than 70%;The aluminium powder cream meets the following conditions: solid point >=65%, living Property aluminium >=85%, fineness 0.075mm tail over rate≤3%.
6. autoclave aerated concrete building block/plate according to claim 1 containing new type mortar, it is characterised in that: described Semi-hydrated gypsum be one of chemical gypsum, the natural gypsum, desulfurized gypsum, citric acid gypsum, the plaster of paris or more than one;It is described The plaster of paris is product of the ardealite after calcining and sloughing 3/2 crystallization water, chemical formula CaSO4·1/2H2O。
7. autoclave aerated concrete building block/plate according to claim 1 containing new type mortar, it is characterised in that: described Magnesium phosphate cement is the mixture of dead burnt magnesite and monoammonium phosphate, and ratio=2 of dead burnt magnesite and monoammonium phosphate~3:1;It is described heavy Burning magnesium, the grinding after 1900 DEG C of 3~4h of calcining obtains by magnesite, and content of magnesia is 90~93%, and fineness is 150~200 Mesh;The fineness of the monoammonium phosphate is 200~300 mesh, and nutrient content is 53~60%;The clinker is cement plant production Semi-finished product when cement.
8. a kind of preparation method of the autoclave aerated concrete building block containing new type mortar, which comprises the following steps:
(1) it is homogenized: weighing siliceous material, waste material according to mass percent, siliceous material and waste material are sent into ball mill, be added Ball milling is carried out after deionized water, mixes thoroughly to obtain slurry;The additional amount of the deionized water is the siliceous material and waste material gross weight The 55~57% of amount;The fineness control of the slurry is 0.07~0.09mm square hole screen, and moisture control is 37~44%;It is described The method of ball milling are as follows: first 1.5~3min of ball milling, it is then out of service, allow ball mill to cool down 15~20min, then carry out ball milling, such as This repeats ball milling, and the time run in total is 1~2h, and the temperature of ball milling is 125~140 DEG C;
(2) ingredient: new type mortar, lime, aluminium powder cream are weighed according to mass percent, sequentially adds Novel sand in Xiang Shangshu slurry In 22~30cm aluminium powder cream is added after stirring 1.5~3min, concrete is made in 35~50s of stirring in slurry, lime, control diffusance Slurry;
(3) it is poured: above-mentioned concrete slurry is poured, pouring temperature is controlled at 40~55 DEG C;
(4) quiet to stop: to be sent to quiet room of stopping after pouring and rest that 1.5~4.5h is got angry, slurry hardens;
(5) steam press maintenance: it is quiet stop after cut, be then fed into still kettle and carry out steam press maintenance, in 35~40min It is evacuated down to -0.06MPa, pressure is raised to 0.8~1.0MPa in 1.5~2.3h, temperature is raised to 185~193 DEG C, still kettle 185 DEG C of retention times of interior temperature > are 7~10h, and steam is then exhausted in 1.5~3h, and kettle is packaged out, are sent to stockyard and support naturally 5d is protected, the autoclave aerated concrete building block containing new type mortar is obtained.
9. a kind of preparation method of the autoclaved aerated concrete slab containing new type mortar, which comprises the following steps:
1. homogenizing: weighing siliceous material, waste material according to mass percent, siliceous material and waste material are sent into ball mill, be added Ball milling is carried out after deionized water, mixes thoroughly to obtain slurry;The additional amount of the deionized water is the siliceous material and waste material gross weight The 55~57% of amount;The fineness control of the slurry is 0.07~0.09mm square hole screen, and moisture control is 37~44%;It is described The method of ball milling are as follows: first 1.5~3min of ball milling, it is then out of service, allow ball mill to cool down 15~20min, then carry out ball milling, such as This repeats ball milling, and the time run in total is 1~2h, and the temperature of ball milling is 125~140 DEG C;
2. ingredient: weighing new type mortar, lime, aluminium powder cream according to mass percent, sequentially add Novel sand in Xiang Shangshu slurry In 22~30cm aluminium powder cream is added after stirring 1.5~3min, concrete is made in 35~50s of stirring in slurry, lime, control diffusance Slurry;
3. casting: above-mentioned concrete slurry being poured, pouring temperature is controlled at 40~55 DEG C, and plug in pricker position is sent to after pouring It sets, drill rod and rebar cylinder mould is sequentially inserted into and poured in the concrete slurry being poured in;
4. quiet stop: being sent to the quiet room 1.5~4.5h that rests that stops after pouring and get angry, and slurry is allowed to carry out package and hard to reinforcing bar Change, then extract the drill rod of embedment, rebar cylinder mould is retained in green body;
5. steam press maintenance: it is quiet stop after cut, be then fed into still kettle and carry out steam press maintenance, in 35~40min It is evacuated down to -0.06MPa, pressure is raised to 0.8~1.0MPa in 1.5~2.3h, temperature is raised to 185~193 DEG C, still kettle 185 DEG C of retention times of interior temperature > are 7~10h, and steam is then exhausted in 1.5~3h, and kettle is packaged out, are sent to stockyard and support naturally 5d is protected, the autoclaved aerated concrete slab containing new type mortar is obtained.
CN201910419612.7A 2019-05-20 2019-05-20 Autoclave aerated concrete building block/plate and preparation method containing new type mortar Pending CN110218072A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110590268A (en) * 2019-10-25 2019-12-20 菲大装配式建筑工程(重庆)有限责任公司 Aerated concrete and preparation method thereof
CN114538889A (en) * 2021-12-16 2022-05-27 黄玉兰 Composite heat-insulating material and production process thereof
CN115611654A (en) * 2021-07-12 2023-01-17 嘉华特种水泥股份有限公司 Aerated concrete and preparation method thereof
CN116003079A (en) * 2022-09-15 2023-04-25 江门市俞嘉科技有限公司 Method for producing autoclaved concrete slab by using magnesium ore slag

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1482099A (en) * 2003-06-21 2004-03-17 陈德余 300 stage pulverized coal ash heat preservation fireproof aerated concrete building block and method of production
CN102241504A (en) * 2011-06-02 2011-11-16 河海大学 Phosphate aerated concrete bonding agent
WO2011130657A9 (en) * 2010-04-15 2012-03-08 Pcm Innovations Llc Phase change material-containing composition and related products and methods
CN103613297A (en) * 2013-10-24 2014-03-05 中国科学院青海盐湖研究所 Fast-setting early strength magnesium phosphate cement without additional retarder
CN104556954A (en) * 2014-12-19 2015-04-29 西南科技大学 Magnesium phosphate cement-base porous material and preparation method thereof
CN108439880A (en) * 2018-04-26 2018-08-24 贵州开磷磷石膏综合利用有限公司 A kind of land plaster autoclave aerated concrete building block/plate and preparation method thereof
CN108585728A (en) * 2018-04-26 2018-09-28 贵州畅航装配建筑技术有限公司 A kind of semi-hydrated gypsum aerated concrete panel and preparation method thereof

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1482099A (en) * 2003-06-21 2004-03-17 陈德余 300 stage pulverized coal ash heat preservation fireproof aerated concrete building block and method of production
WO2011130657A9 (en) * 2010-04-15 2012-03-08 Pcm Innovations Llc Phase change material-containing composition and related products and methods
CN102241504A (en) * 2011-06-02 2011-11-16 河海大学 Phosphate aerated concrete bonding agent
CN103613297A (en) * 2013-10-24 2014-03-05 中国科学院青海盐湖研究所 Fast-setting early strength magnesium phosphate cement without additional retarder
CN104556954A (en) * 2014-12-19 2015-04-29 西南科技大学 Magnesium phosphate cement-base porous material and preparation method thereof
CN108439880A (en) * 2018-04-26 2018-08-24 贵州开磷磷石膏综合利用有限公司 A kind of land plaster autoclave aerated concrete building block/plate and preparation method thereof
CN108585728A (en) * 2018-04-26 2018-09-28 贵州畅航装配建筑技术有限公司 A kind of semi-hydrated gypsum aerated concrete panel and preparation method thereof

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
张亚梅等: "《土木工程材料 第4版》", 31 January 2013, 东南大学出版社 *

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110590268A (en) * 2019-10-25 2019-12-20 菲大装配式建筑工程(重庆)有限责任公司 Aerated concrete and preparation method thereof
CN115611654A (en) * 2021-07-12 2023-01-17 嘉华特种水泥股份有限公司 Aerated concrete and preparation method thereof
CN114538889A (en) * 2021-12-16 2022-05-27 黄玉兰 Composite heat-insulating material and production process thereof
CN116003079A (en) * 2022-09-15 2023-04-25 江门市俞嘉科技有限公司 Method for producing autoclaved concrete slab by using magnesium ore slag

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