CN108821677A - Ultralight big partial size haydite concrete and preparation method thereof for light cellular partition board - Google Patents
Ultralight big partial size haydite concrete and preparation method thereof for light cellular partition board Download PDFInfo
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- CN108821677A CN108821677A CN201810618259.0A CN201810618259A CN108821677A CN 108821677 A CN108821677 A CN 108821677A CN 201810618259 A CN201810618259 A CN 201810618259A CN 108821677 A CN108821677 A CN 108821677A
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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
- C04B28/02—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 containing hydraulic cements other than calcium sulfates
- C04B28/04—Portland 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
- 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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- 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
- C04B2201/20—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
- C04B2201/30—Mortars, concrete or artificial stone characterised by specific physical values for heat transfer properties such as thermal insulation values, e.g. R-values
- C04B2201/32—Mortars, concrete or artificial stone characterised by specific physical values for heat transfer properties such as thermal insulation values, e.g. R-values for the thermal conductivity, e.g. K-factors
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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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- Engineering & Computer Science (AREA)
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- Chemical Kinetics & Catalysis (AREA)
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- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention belongs to building material technical fields, and in particular to for the ultralight big partial size haydite concrete of light cellular partition board, the raw material including following parts by weight：100 parts 42.5 grades of ordinary cement; 8-15 parts of flyash; 4-10 parts of silicon ashes; 5-15 parts of solid sulfur ash superfine powders; 70-100 parts big partial size haydite; 100-140 parts of crude pottery sand; 0.1-0.3 increases resist; 0.55-1.02 parts of emulsifiers; 2-3.2 parts of antimitotic agents, 3-5 parts of plasticisers, 58-68 parts of water; the invention also includes the preparation method of the ultralight big partial size haydite concrete, the present invention can further decrease haydite concrete own wt under the premise of proof strength, shrink big, easy the problems such as shrinking generation segmentation crack.
Description
Technical field
The invention belongs to building material technical fields, and in particular to a kind of ultralight big partial size haydite for light cellular partition board
Concrete and preparation method thereof.
Background technique
Light cellular partition board is light-weight, thermal and insulating performance is good, and anti-seismic performance is good, easy for installation, cost is moderate, and can increase
Indoor usable floor area improves construction quality, reduces labor intensity, therefore being used widely.Common light cellular partition board is at present
Light cement sandwich composite board, aerated concrete panel, concrete hollow batten, gypsum cement cored slab etc., these plates will
Because of the big property for needing to be set as cored slab or be unable to satisfy partition plate requirement because of homogenous material performance of the weight of raw material
Composite multilayer board can be needed, leads to that production process is complex and costly.
Haydite concrete has the characteristics that own wt is light, intensity is high, fire resisting, anticorrosion, insulation, is a kind of production
The good material of light cellular partition board, but need to further decrease own wt under the premise of guaranteeing high-intensitive, reduce coagulation
The contraction of soil reduces the cracking crack of partition wall plate surface, to reach the requirement of light cellular partition board.
Then these performances of haydite concrete are improved, improve the reliability of ceramsite concrete light-weight partition plate, while can be with
Municipal sludge progress resource utilization is fallen, the problem to be solved in the present invention is just become.
Summary of the invention
The problem of based on background technique, the present invention provides a kind of ultralight big partial size haydite concrete and its preparations
Method and application, for further decreasing haydite concrete own wt under the premise of proof strength, shrinking big, easy shrink
The problems such as generating segmentation crack.
To realize the above-mentioned technical purpose, the technical solution adopted by the present invention is as follows：
A kind of ultralight big partial size haydite concrete for light cellular partition board, the raw material including following parts by weight：100 parts 42.5 grades
Ordinary cement, 4-10 parts of silicon ashes, 8-15 parts of flyash, 5-15 parts of solid sulfur ash superfine powders, 70-100 parts of large-sized haydites,
100-140 parts of pottery sands, 0.55-1.02 parts of emulsifiers, 0.1-0.3 parts of increasing resists, 3-5 parts of plasticisers, 2-3.2 parts of antimitotic agents, 58-
68 parts of water.
Further, the haydite is that mud is fired, and within bulk density 450kg/m3, cylindrical compress strength is greater than
0.8MPa, haydite partial size are 20mm or more.
Further, partial size is that 5mm-10mm accounts for that 35%, 5mm is below to account for 65% in the pottery sand.
Further, the haydite and the weight ratio of pottery sand are：0.5-0.7.
Further, the solid sulfur ash superfine powder is that fluidized bed combustion coal ash/slag is prepared through hot steam kinetic energy mill is levigate, wherein SO3
Content is 2.0-3.5%.The contraction of concrete can be can be reduced using the micro-expansibility of solid sulfur ash in this way.
Further, the increasing resist is non-ionic polyacrylamide, in welan gum, cellulose hydroxypropyl methyl ether
One or more combination.Increasing resist is mainly to enhance the frictional force of surface of aggregate, while increasing the viscosity of slurry, it is made to make pottery
Grain, pottery sand surface adhesion force greatly promote, and reduce the rising phenomenon to gather materials so that concrete it is wrapped more preferably, it is whole homogeneous
Property is more excellent.Wherein, the molecular weight of non-ionic polyacrylamide is preferably 8,000,000 to 15,000,000.
Further, the antimitotic agent is sodium alginate or Arabic gum.Antimitotic agent can reduce concrete surface
Segmentation crack generates.
Further, the emulsifier is maltodextrin, sapn mixture, and maltodextrin and sapn in the emulsifier
Weight ratio be 1:5, emulsifier plays emulsification, wetting action to slurry.
Further, the plasticiser is air-entraining water-reducing agent.Air-entraining water-reducing agent not only may be used during concrete mixing
To reduce cement consumption, changes the ratio of mud, aquation thermal velocity can also be delayed.During concrete curing, air-entraining water-reducing agent
The gas itself contained can reduce shrinkage value when concrete hardening is shunk, and avoid in hardening phase because significantly receiving
The internal crack generated of contracting, and then influence the intensity of concrete.
Second aspect of the present invention provides the preparation method of the above-mentioned ultralight big partial size haydite concrete for light cellular partition board,
Include the following steps：
S1, haydite, pottery sand are soaked in water for 24 hours in advance, haydite and pottery sand are then subjected to draining processing again, until haydite and
Pottery sand is in saturated dry surface, spare；
S2, cement, flyash, silicon ash, solid sulfur ash superfine powder, haydite, pottery sand, increasing resist are mixed by formula ratio, are stirred evenly,
Dry mixing material is made, it is spare；
S3, emulsifier, antimitotic agent, plasticiser and water are mixed and stirred for by formula ratio liquor uniformly is made；
S4, liquor in step S2 is added in S2, stirring 2min is mixed, and ultralight big partial size haydite concrete is made.
Third aspect present invention also provides a kind of using above-mentioned ultralight big partial size haydite concrete production light cellular partition board
Method includes the following steps：
S1, directly pour into the mold the ultralight big partial size haydite concrete being stirred tool, and makes it slightly raised above edge on mold；
S2, in surface vibration or use shake table closely knit in vibrating bottom 10-15s molding using plate vibrator, wherein shaking
2500 beats/min of vibration frequency of dynamic device, exciting force 4KN；
Overlay film conserves demoulding for 24 hours after S3, molding are static, can become light partition wall panel products.
Above-mentioned ultralight big partial size haydite concrete can be used for the production of light cellular partition board, be directly formed to solid slab, strong
Degree, shrinks the requirement that can reach light cellular partition board at density, and manufacture craft is simple, low in cost.Finally use mud ceramic granules
It solves municipal sludge processing problem, belongs to environmentally friendly product.
As described above, ultralight big partial size haydite concrete of the invention and application, have the advantages that：The present invention adopts
The big partial size haydite fired with mud, pottery sand do lightweight aggregate, are aided with solid sulfur ash superfine powder with microdilatancy effect and special
The additive of function has produced that density is light, intensity is high, contraction is small, not easy to crack, can be used as the coagulation of solid light partition plate
Soil substantially reduces cost of manufacture so that the manufacture craft of partition plate is simplified.
Specific embodiment
In order to make those skilled in the art that the present invention may be better understood, below with reference to embodiment to the technology of the present invention
Scheme further illustrates.
Embodiment 1
A kind of ultralight big partial size haydite concrete, the raw material including following parts by weight：100 parts 42.5 grades of ordinary cement, 10 parts
Flyash, 8 parts of silicon ashes, 5 parts of solid sulfur ash superfine powders, 70 parts of large-sized haydites, 100 parts of pottery sands, 0.2 part of increasing resist, 0.85 part
Emulsifier, 2 parts of antimitotic agents, 3 parts of plasticisers, 58 parts of water.
Wherein increase the cellulose hydroxypropyl methyl ether that resist is the production of Jining Hua Kai resin Co., Ltd, the cellulose hydroxy propyl
The granularity of ylmethyl ether is 100 mesh percent of pass greater than 98.5%, 80 mesh percent of pass 100%, 280-300 DEG C of carbonization temperature, depending on close
0.25-0.7g/cm3, specific gravity 1.26-1.31 are spent, 190-200 DEG C of discoloring temperature, 2% aqueous solution of surface tension is 42-56ydn/
cm；
Emulsifier is that mass ratio is 1:5 maltodextrin and sapn mixture, wherein maltodextrin is that Guangzhou is received city chemical industry and had
The production of limit company, maltodextrin moisture content≤6%, DE value are 15%-20%, ash content≤0.6%；Sapn is federal essence in Guangdong
Thin Chemical Co., Ltd.'s production, model S-80, hydroxyl value 190-220mgKOH/g, saponification number 140-160mgKOH/g, acid value≤
10mgKOH/g, moisture content≤1.5%, HLB value 4.3；
Antimitotic agent is the sodium alginate of Qingdao Hua Jun seaweed Co., Ltd production, pH value (3.5%)：6.70 ± 0.2,1% viscosity
(20℃)：110 ± 10CPS, 6% viscosity (20 DEG C)：100000 ± 10000CPS, stamp viscosity index (VI) (PVI value):0.57.
The preparation method of above-mentioned ultralight big partial size concrete includes the following steps：
S1, haydite, pottery sand are soaked in water for 24 hours in advance, then carry out draining and handle to haydite and pottery sand to be in the dry shape of saturation plane
State, it is spare；
S2, formula ratio is pressed by 100 parts of cement, 10 parts of flyash, 8 parts of silicon ashes, 5 parts of solid sulfur ash superfine powders, 70 parts of haydites, 100 parts
Pottery sand, 0.2 part of increasing resist mixing, stir evenly, dry mixing material are made, spare；
S3,0.85 part of emulsifier, 2 parts of antimitotic agents, 3 parts of plasticisers are mixed with 58 parts of water by formula ratio, stir evenly obtained liquid
Agent；
S4, liquor obtained in step S3 is added in dry mixing material made from S2, stirring 2min is mixed, and ultralight big partial size pottery is made
Grain concrete.
Embodiment 2
A kind of ultralight big partial size haydite concrete, the raw material including following parts by weight：100 parts 42.5 grades of ordinary cement, 15 parts
Flyash, 4 parts of silicon ashes, 10 parts of solid sulfur ash superfine powders, 100 parts big partial size haydite, 125 parts of pottery sands, 0.3 part of increasing resist, 1.02 parts
Emulsifier, 2.6 parts of antimitotic agents, 4 parts of plasticisers, 65 parts of water.
Wherein, increase non-ionic poly- the third of the N1208 model that resist is the production of Xinxiang City capital water-purifying material Co., Ltd
Acrylamide, molecular weight are 8,000,000, degree of hydrolysis≤7%, particle size 20-40 mesh, dissolution time≤90 minute；
Emulsifier is that mass ratio is 1:5 maltodextrin and sapn mixture, wherein maltodextrin is that Guangzhou is received city chemical industry and had
The production of limit company, maltodextrin moisture content≤6%, DE value are 15%-20%, ash content≤0.6%；Sapn is federal essence in Guangdong
Thin Chemical Co., Ltd.'s production, model S-80, hydroxyl value 190-220mgKOH/g, saponification number 140-160mgKOH/g, acid value≤
10mgKOH/g, moisture content≤1.5%, HLB value 4.3；
Antimitotic agent is the Arabic gum of wax work factory of Dongguang Parkson production.
The preparation method of above-mentioned ultralight big partial size concrete includes the following steps：
S1, haydite, pottery sand are soaked in water for 24 hours in advance, then carry out draining and handle to haydite and pottery sand to be in the dry shape of saturation plane
State, it is spare；
S2, formula ratio is pressed by 100 parts of cement, 15 parts of flyash, 4 parts of silicon ashes, 10 parts of solid sulfur ash superfine powders, 100 parts of haydites, 125
Part pottery sand, 0.3 part of increasing resist mixing, stir evenly, dry mixing material are made, spare；
S3,1.02 parts of emulsifiers, 2.6 parts of antimitotic agents, 4 parts of plasticisers are mixed with 65 parts of water by formula ratio, stir evenly it is obtained
Liquor；
S4, liquor obtained in step S3 is added in dry mixing material made from S2, stirring 2min is mixed, and ultralight big partial size pottery is made
Grain concrete.
Embodiment 3
A kind of ultralight big partial size haydite concrete, the raw material including following parts by weight：100 parts 42.5 grades of ordinary cement, 8 parts of powder
Coal ash, 10 parts of silicon ashes, 15 parts of solid sulfur ash superfine powders, 95 parts big partial size haydite, 140 parts of pottery sands, 0.1 part of increasing resist, 0.55 part of cream
Agent, 3.2 parts of antimitotic agents, 5 parts of plasticisers, 68 parts of water.
Wherein, increase the cellulose hydroxypropyl methyl ether that resist is the production of Jining Hua Kai resin Co., Ltd, the cellulose hydroxyl
The granularity of propyl methyl ether is 100 mesh percent of pass greater than 98.5%, 80 mesh percent of pass 100%, 280-300 DEG C of carbonization temperature, depending on
Density 0.25-0.7g/cm3, specific gravity 1.26-1.31,190-200 DEG C of discoloring temperature, 2% aqueous solution of surface tension is 42-56ydn/
cm；
Emulsifier is that mass ratio is 1:5 maltodextrin and sapn mixture, wherein maltodextrin is that Guangzhou is received city chemical industry and had
The production of limit company, maltodextrin moisture content≤6%, DE value are 15%-20%, ash content≤0.6%；Sapn is federal essence in Guangdong
Thin Chemical Co., Ltd.'s production, model S-80, hydroxyl value 190-220mgKOH/g, saponification number 140-160mgKOH/g, acid value≤
10mgKOH/g, moisture content≤1.5%, HLB value 4.3；
Antimitotic agent is the sodium alginate of Qingdao Hua Jun seaweed Co., Ltd production, pH value (3.5%)：6.70 ± 0.2,1% viscosity
(20℃)：110 ± 10CPS, 6% viscosity (20 DEG C)：100000 ± 10000CPS, stamp viscosity index (VI) (PVI value):0.57.
The preparation method of above-mentioned ultralight big partial size concrete includes the following steps：
S1, haydite, pottery sand are soaked in water for 24 hours in advance, then carry out draining and handle to haydite and pottery sand to be in the dry shape of saturation plane
State, it is spare；
S2, formula ratio is pressed by 100 parts of cement, 8 parts of flyash, 10 parts of silicon ashes, 15 parts of solid sulfur ash superfine powders, 95 parts of haydites, 140 parts
Pottery sand, 0.1 part of increasing resist mixing, stir evenly, dry mixing material are made, spare；
S3,0.55 part of emulsifier, 3.2 parts of antimitotic agents, 5 parts of plasticisers are mixed with 68 parts of water by formula ratio, stir evenly it is obtained
Liquor；
S4, liquor obtained in step S3 is added in dry mixing material made from S2, stirring 2min is mixed, and ultralight big partial size pottery is made
Grain concrete.
In above three embodiments, ordinary cement is platform mud board ordinary portland cement, strength grade 42.5R, three oxidations
Sulfur content≤3.5%, density 3050Kg/m3, consumptive use of water normal consistence 26.1%；Flyash is Huainan City pearl fly ash development benefit
It is produced with Co., Ltd, the performance indicator of the flyash is loss on ignition 4.5%, activity index 70%, fineness 15%, water demand ratio
100%, water content 0.1%；Silicon ash is the production of Shandong Bo Ken silicon materials Co., Ltd, and dioxide-containing silica >=95% of the silicon ash is close
Spend 300Kg/m3, specific surface area 15-27m2/ g, average grain diameter is at 0.1-0.15 μm；Haydite and pottery sand are that fine horse is limited up to light ceramic
Company's production, thermal coefficient（Room temperature）0.035（W/ (mK), elongation at break 93%, bending strength 0.85N/mm2, pressure resistance
Spend 1.2Mpa；Plasticiser is the air-entraining water-reducing agent of Shandong Wanshan Chemical Co., Ltd.'s production, and volume is cement consumption
0.5-1%, water-reducing rate 22-28%, fineness are 0.315MM < 5%.
Performance detection experiment
Performance detection, result such as table 1 are carried out to ultralight big partial size concrete made from embodiment 1-3：
As it can be seen from table 1 the ultralight big partial size haydite for light cellular partition board is made using big partial size haydite, pottery sand by the present invention
The dry apparent close < 725kg/m3 of concrete, intensity > 7MPa, drying shrinkage value≤0.3mm/m, thermal coefficient≤0.17 W/
（m•k）, performance fully meets the requirement of light cellular partition board.
Experiment group has done in one timing of remaining component content, and the flyash of different content is mixed to the ultralight big partial size haydite
The experiment that solidifying soil nature can influence, result such as table 2：
From table 2 it can be seen that the compression strength of concrete declines, especially in flyash with the increase of fly ash content
When content is more than 15, decline clearly, therefore the parts by weight of the flyash in the ultralight big partial size haydite concrete are in 8-
It is best when 15.
Experiment group has also done in one timing of remaining component content, and the solid sulfur ash of different content is to the ultralight big partial size haydite
The experiment that concrete performance influences, result such as table 3 and table 4：
Table 3
Table 4
From table 3 it can be seen that with the increase of solid sulfur ash content, the compression strength of concrete is also higher and higher, this is because solid
Sulphur ash contains a certain amount of calcium sulphur component, in early days can be from hydration and hardening；In the hydration reaction later period, volcanic ash is living in solid sulfur ash
Property substance " secondary hydration " occurs, hydrated product is filled in gap, further closely knit concrete inner structure, to improve
System later strength, so the comprehensive effect of the two makes, solid sulfur ash can play apparent early stage under certain volume and the later period is strong
Spend reinforcing effect.
From table 4, it can be seen that the normal consistency water requirement of concrete is consequently increased with the increase of solid sulfur ash content,
And system linear expansion rate increase, cause system strength to have reduces to a certain degree, thus in concrete solid sulfur ash volume not
Preferably more than 20 parts；In addition, the setting time of concrete is first reduced to be increased afterwards with the increase of solid sulfur ash content, contain in solid sulfur ash
When amount is 15 parts, the setting time of concrete is minimum.Solid sulfur ash can generate largely after meeting water since calcium, sulfur content are relatively high
Entringite, from macroscopically showing certain expansion character.Cement-based material all has certain contraction, especially dry to receive
Contracting is added solid sulfur ash and utilizes its micro-expansibility energy, concrete can be inhibited in shrinkage cracking phenomenon macroscopically.With volume
It is promoted, the contraction of concrete is reduced, but is worked as the excessively high concrete that will lead to of volume and expanded, and is equally easy to produce crackle, therefore is needed
Want suitable volume.After compression strength, normal consistency water requirement and the setting time for comprehensively considering concrete, dry contraction,
The content optimum value of solid sulfur ash is 5-15 parts.
The experiment that different solid sulfur ash fineness influences the ultralight big partial size haydite concrete performance has also been done by experiment group,
Itself the result shows that：1, as the fineness of solid sulfur ash is thinner, the enhancing of solid sulfur ash reactivity, and particles filled effect is played,
Compression strength increases, and increases solid sulfur ash surface area, causes hydration reaction more violent, the degree of hydration in identical age is got over
Height, intensity are higher；2, the effect of solid sulfur ash improvement concrete frost resistance is preferable, and the solid sulfur ash effect of grinding processing becomes apparent from,
The concrete performance of sulphate-corrosion resistance energy aspect, multiple fly ash and solid sulfur ash is more preferably.Therefore used in the present invention solid
Sulphur ash is solid sulfur ash superfine powder.
The present invention also provides a kind of methods using above-mentioned ultralight big partial size haydite concrete production light cellular partition board, including
Following steps：
S1, the ultralight big partial size haydite concrete being stirred directly is poured into the mold into production light cellular partition board, and makes coagulation
Soil is slightly raised above edge on mold；
S2, in surface vibration or use shake table closely knit in vibrating bottom 10-15s molding using plate vibrator, wherein shaking
2500 beats/min of vibration frequency of dynamic device, exciting force 4KN；
Overlay film conserves demoulding for 24 hours after S3, molding are static, can be prepared by light partition wall panel products.
In conclusion the ultralight big partial size haydite concrete of the present invention, the big partial size haydite being fired into using mud, pottery sand are done
Lightweight aggregate, be aided with solid sulfur ash superfine powder and a variety of additives with microdilatancy effect produced density is light, intensity is high, receive
It reduces, is not easy to crack, can be used as the concrete of solid light partition plate, so that the manufacture craft of partition plate is simplified, drop significantly
Low cost of manufacture.
Above to ultralight big partial size haydite concrete provided by the present invention for light cellular partition board and preparation method thereof into
It has gone and has been discussed in detail.The explanation of specific embodiment is merely used to help understand method and its core concept of the invention.It should refer to
It out, for those skilled in the art, without departing from the principle of the present invention, can also be to the present invention
Some improvement and modification can also be carried out, and these improvements and modifications also fall within the scope of protection of the claims of the present invention.
Claims (10)
1. being used for the ultralight big partial size haydite concrete of light cellular partition board, which is characterized in that the raw material including following parts by weight：
100 parts 42.5 grades of ordinary cement, 8-15 parts of flyash, 4-10 parts of silicon ashes, 5-15 parts of solid sulfur ash superfine powders, 70-100 parts of big grains
The haydite of diameter, 100-140 parts of pottery sands, 0.1-0.3 increase resist, 0.55-1.02 parts of emulsifiers, 2-3.2 parts of antimitotic agents, 3-5 parts of modelings
Agent, 58-68 parts of water.
2. the ultralight big partial size haydite concrete according to claim 1 for light cellular partition board, which is characterized in that described
Haydite is that mud is fired, and within bulk density 450kg/m3, cylindrical compress strength is greater than 0.8MPa, and the haydite partial size is
20mm or more.
3. the ultralight big partial size haydite concrete according to claim 1 for light cellular partition board, which is characterized in that described
Partial size is that 5mm-10mm accounts for that 35%, 5mm is below to account for 65% in pottery sand.
4. the ultralight big partial size haydite concrete according to claim 1 for light cellular partition board, which is characterized in that described
Haydite and the weight ratio of pottery sand are：0.5-0.7.
5. the ultralight big partial size haydite concrete according to claim 1 for light cellular partition board, which is characterized in that described
Solid sulfur ash superfine powder is that fluidized bed combustion coal ash/slag is prepared through hot steam kinetic energy mill is levigate, and wherein SO3 content is 2.0-3.5%.
6. the ultralight big partial size haydite concrete according to claim 1 for light cellular partition board, which is characterized in that described
Increasing resist is the combination of one or more of non-ionic polyacrylamide, welan gum, cellulose hydroxypropyl methyl ether.
7. the ultralight big partial size haydite concrete according to claim 1 for light cellular partition board, which is characterized in that described
Emulsifier is the mixture of maltodextrin, sapn, and the weight ratio of maltodextrin and sapn is 1:5.
8. the ultralight big partial size haydite concrete according to claim 1 for light cellular partition board, which is characterized in that described
Antimitotic agent is sodium alginate or Arabic gum.
9. the ultralight big partial size haydite concrete according to claim 1 for light cellular partition board, which is characterized in that described
Plasticiser is air-entraining water-reducing agent.
10. the preparation of -9 described in any item ultralight big partial size haydite concretes for light cellular partition board according to claim 1
Method, which is characterized in that include the following steps：
S1, haydite, pottery sand are soaked in water for 24 hours in advance, then carry out draining and handle to haydite and pottery sand to be in the dry shape of saturation plane
State, it is spare；
S2, cement, coal ash, silicon ash, solid sulfur ash superfine powder, haydite, pottery sand, increasing resist are mixed by formula ratio, stirs evenly, makes
Dry mixing material is obtained, it is spare；
S3, emulsifier, plasticiser are mixed with water by formula ratio, stir evenly obtained liquor；
S4, liquor in step S3 is added in S2, stirring 2min is mixed, and ultralight big partial size haydite concrete is made.
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| CN116354698A (en) * | 2023-03-02 | 2023-06-30 | 宜昌光大陶粒制品有限责任公司 | Method for preparing ceramsite by sludge in sewage plant and prepared ceramsite |
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| CN116354698A (en) * | 2023-03-02 | 2023-06-30 | 宜昌光大陶粒制品有限责任公司 | Method for preparing ceramsite by sludge in sewage plant and prepared ceramsite |
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Application publication date: 20181116 |