CN102875070B - Acetylene sludge aerated concrete block and preparation method thereof - Google Patents
Acetylene sludge aerated concrete block and preparation method thereof Download PDFInfo
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- CN102875070B CN102875070B CN201210304880.2A CN201210304880A CN102875070B CN 102875070 B CN102875070 B CN 102875070B CN 201210304880 A CN201210304880 A CN 201210304880A CN 102875070 B CN102875070 B CN 102875070B
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- 239000010802 sludge Substances 0.000 title claims abstract description 10
- 238000002360 preparation method Methods 0.000 title claims description 5
- 239000004567 concrete Substances 0.000 title abstract description 9
- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 title abstract 4
- 125000002534 ethynyl group Chemical group [H]C#C* 0.000 title abstract 4
- 239000000843 powder Substances 0.000 claims abstract description 35
- 229960000892 attapulgite Drugs 0.000 claims abstract description 21
- 229910052625 palygorskite Inorganic materials 0.000 claims abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 18
- 239000002893 slag Substances 0.000 claims abstract description 17
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims abstract description 13
- 235000011941 Tilia x europaea Nutrition 0.000 claims abstract description 13
- 239000004571 lime Substances 0.000 claims abstract description 13
- 239000004411 aluminium Substances 0.000 claims abstract description 12
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 12
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 12
- GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical compound OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000004568 cement Substances 0.000 claims abstract description 7
- 238000009413 insulation Methods 0.000 claims abstract description 7
- 239000012188 paraffin wax Substances 0.000 claims abstract description 7
- 239000000344 soap Substances 0.000 claims abstract description 7
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims abstract description 6
- 229910021538 borax Inorganic materials 0.000 claims abstract description 6
- NKWPZUCBCARRDP-UHFFFAOYSA-L calcium bicarbonate Chemical compound [Ca+2].OC([O-])=O.OC([O-])=O NKWPZUCBCARRDP-UHFFFAOYSA-L 0.000 claims abstract description 6
- 229910000020 calcium bicarbonate Inorganic materials 0.000 claims abstract description 6
- 235000019353 potassium silicate Nutrition 0.000 claims abstract description 6
- 239000011734 sodium Substances 0.000 claims abstract description 6
- 229910052708 sodium Inorganic materials 0.000 claims abstract description 6
- 235000019982 sodium hexametaphosphate Nutrition 0.000 claims abstract description 6
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims abstract description 6
- 239000004328 sodium tetraborate Substances 0.000 claims abstract description 6
- 235000010339 sodium tetraborate Nutrition 0.000 claims abstract description 6
- 239000001577 tetrasodium phosphonato phosphate Substances 0.000 claims abstract description 6
- GCLGEJMYGQKIIW-UHFFFAOYSA-H sodium hexametaphosphate Chemical compound [Na]OP1(=O)OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])O1 GCLGEJMYGQKIIW-UHFFFAOYSA-H 0.000 claims abstract description 4
- 239000011449 brick Substances 0.000 claims description 32
- 239000007787 solid Substances 0.000 claims description 17
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 15
- 239000012634 fragment Substances 0.000 claims description 12
- 230000000284 resting effect Effects 0.000 claims description 12
- 239000007858 starting material Substances 0.000 claims description 11
- 235000010216 calcium carbonate Nutrition 0.000 claims description 10
- 239000002253 acid Substances 0.000 claims description 8
- 238000005352 clarification Methods 0.000 claims description 8
- FWDBOZPQNFPOLF-UHFFFAOYSA-N ethenyl(triethoxy)silane Chemical compound CCO[Si](OCC)(OCC)C=C FWDBOZPQNFPOLF-UHFFFAOYSA-N 0.000 claims description 8
- 150000003839 salts Chemical class 0.000 claims description 8
- 239000000758 substrate Substances 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 6
- 238000012986 modification Methods 0.000 claims description 6
- 230000004048 modification Effects 0.000 claims description 6
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 5
- 239000004698 Polyethylene Substances 0.000 claims description 5
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 5
- 239000004927 clay Substances 0.000 claims description 5
- 229910052602 gypsum Inorganic materials 0.000 claims description 5
- 239000010440 gypsum Substances 0.000 claims description 5
- 238000012423 maintenance Methods 0.000 claims description 5
- -1 polyethylene Polymers 0.000 claims description 5
- 229920000573 polyethylene Polymers 0.000 claims description 5
- 238000003756 stirring Methods 0.000 claims description 5
- 229960004418 trolamine Drugs 0.000 claims description 5
- 239000012752 auxiliary agent Substances 0.000 claims description 4
- 238000005520 cutting process Methods 0.000 claims description 4
- 239000000428 dust Substances 0.000 claims description 4
- 239000011268 mixed slurry Substances 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 4
- 239000002002 slurry Substances 0.000 claims description 4
- 239000010881 fly ash Substances 0.000 claims description 3
- 239000002699 waste material Substances 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 4
- 239000002994 raw material Substances 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 abstract description 2
- 239000000654 additive Substances 0.000 abstract 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 abstract 1
- 239000004372 Polyvinyl alcohol Substances 0.000 abstract 1
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical group [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 abstract 1
- 238000010521 absorption reaction Methods 0.000 abstract 1
- 239000011575 calcium Substances 0.000 abstract 1
- 229910052791 calcium Inorganic materials 0.000 abstract 1
- 239000010883 coal ash Substances 0.000 abstract 1
- 239000001866 hydroxypropyl methyl cellulose Substances 0.000 abstract 1
- 229920003088 hydroxypropyl methyl cellulose Polymers 0.000 abstract 1
- 235000010979 hydroxypropyl methyl cellulose Nutrition 0.000 abstract 1
- UFVKGYZPFZQRLF-UHFFFAOYSA-N hydroxypropyl methyl cellulose Chemical compound OC1C(O)C(OC)OC(CO)C1OC1C(O)C(O)C(OC2C(C(O)C(OC3C(C(O)C(O)C(CO)O3)O)C(CO)O2)O)C(CO)O1 UFVKGYZPFZQRLF-UHFFFAOYSA-N 0.000 abstract 1
- 229920002451 polyvinyl alcohol Polymers 0.000 abstract 1
- 238000011161 development Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- PVGBHEUCHKGFQP-UHFFFAOYSA-N sodium;n-[5-amino-2-(4-aminophenyl)sulfonylphenyl]sulfonylacetamide Chemical compound [Na+].CC(=O)NS(=O)(=O)C1=CC(N)=CC=C1S(=O)(=O)C1=CC=C(N)C=C1 PVGBHEUCHKGFQP-UHFFFAOYSA-N 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000004113 Sepiolite Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000004088 foaming agent Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 229910052624 sepiolite Inorganic materials 0.000 description 1
- 235000019355 sepiolite Nutrition 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
Landscapes
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention provides an acetylene sludge aerated concrete block, which is prepared by processing the following raw materials in part by weight: 20-30 parts of acetylene sludge, 25-30 parts of coal ash, 5-10 parts of cement, 4-6 parts of modified attapulgite, 5-10 parts of water treatment sludge, 5-10 parts of soda residue, 5-10 parts of light calcium powder, 10-15 parts of lime, triethanolamine, 4-5 parts of gypse, 0.02-0.08 part of aluminium powder, oxidized paraffin wax soap, 0.01-0.02 part of calcium bicarbonate, 2-3 parts of chelky slag, 1-2 parts of lignocellulose, 0.3-0.5 part of water glass, 0.03-0.05 part of borax, 1-2 parts of sodium hexametaphosphate, 1-2 parts of hydroxy propyl methyl cellulose sodium and 1-2 parts of superfine polyvinyl alcohol, wherein the weight of the triethanolamine is 0.1-0.3 percent of that of the lime, and the weight of the oxidized paraffin wax soap is 3-5 percent of that of the aluminium powder. According to the invention, the acetylene sludge is added into the raw materials of the aerated concrete block, and meanwhile other conventional additives and modified nano additives are added; the aerated concrete block is prepared by adopting a proper technology and is low in cost and good in performance; the circulating economy effect of changing waste into valuable is realized; the pollution is reduced; and the prepared aerated concrete block has the characteristics of light volume weight, high thermal insulation performance, good sound absorption effect and high strength and can be used for non-bearing or bearing wall bodies.
Description
Technical field
The present invention relates to building material field, be specifically related to a kind of carbide slag aerated bricks and preparation method thereof.
Background technology
Air-entrained concrete building block is taking cement, slag, sand, lime etc. as main raw material, add foaming agent, the solid block forming through stirring moulding, steam press maintenance, gas concrete is by purposes, can be divided into five kinds, non-bearing building block, bearing building block, insulation block, wallboard and roof boarding.
Aerated bricks has that unit weight is light, heat-insulating property is high, sound-absorbing effect is good, has certain advantage such as intensity and workability, is that China applies the earliest, one of most popular light wall material.
Under the background becoming more and more important in the whole world energy and natural conservation; along with the adjustment of industry policy and the raising of environmental protection consciousness; the utilization of other trade wastes also presents ascendant trend; the Heterosis of economy, environment and technical elements that most countries has in construction process trade waste goes out positive interest; many trade wastes are proved to be and can be recycled, and become the power of developing a circular economy with Sustainable development.
Human society industry and expanding economy and human living standard's raising and diversified result thereof, formed the social system of large-scale production, high flow rate and many discardedization.Particularly a large amount of municipal wastes, has to adopt burn to subtract and holds innoxious and landfill disposal.But land occupation and environmental pollution are still maximum social concern.Solving this strongest countermeasure of changing day by day deeply problem is to carry out rubbish and trade waste renewable resources.
Add to various trade wastes or urban construction waste as starting material aerated bricks production in, play saving natural resource, the useless environmental protection texts of profit, becomes and develops a circular economy and the power of Sustainable development.
The present invention adds in aerated bricks and has realized the cyclic utilization of waste carbide slag as starting material, has reduced the pollution to environment, meets strategy of sustainable development requirement.
Summary of the invention
The invention provides a kind of carbide slag aerated bricks and working method thereof, aerated bricks of the present invention has that unit weight is light, heat-insulating property is high, sound-absorbing effect is good, and the feature that intensity is high, can be used as non-bearing wall body or the body of wall of weighing uses.
Technical scheme of the present invention is as follows:
A kind of carbide slag aerated bricks, is characterized in that, its starting material by following weight part are processed into:
Carbide slag 20-30, flyash 25-30, cement 5-10, attapulgite modified 4-6, water treatment sludge 5-10, alkaline residue 5-10, light calcium carbonate powder 5-10, lime 10-15, the 0.1-0.3% of trolamine lime weight, gypsum 2, aluminium powder 0.02-0.08, oxidized paraffin wax soap dosage are 3-5%, Calcium hydrogen carbonate 0.01-0.02, clay dregs 2-3, lignocellulose 1-2, water glass 0.3-0.5, Sodium hexametaphosphate 99 1-2, Vltra tears sodium 1-2, borax 0.03-0.05, the micronized polyethylene alcohol 1-2 of aluminium powder weight
Attapulgite is carried out to modification: first use 15-20% salt acid soak attapulgite 1-2 hour, leave standstill, clarification, centrifugal, solid washes with water to neutrality, after oven dry, add that to be equivalent to the vinyltriethoxysilane agitating of solid weight 3-5% even, dry, grind to form nanometer powder.
Described a kind of carbide slag aerated bricks, is characterized in that, its starting material by following weight part are processed into:
Carbide slag 25, cement 56, attapulgite modified 5, water treatment sludge 8, alkaline residue 6, light calcium carbonate powder 12, lime 14, the 0.1-0.3% of trolamine lime weight, gypsum 2, aluminium powder 0.05, oxidized paraffin wax soap dosage be aluminium powder weight 4%, Calcium hydrogen carbonate 0.01, clay dregs 3, lignocellulose 1.5, water glass 0.4, Sodium hexametaphosphate 99 1, Vltra tears sodium 2, borax 0.04, micronized polyethylene alcohol 1.
The preparation method of described carbide slag aerated bricks, is characterized in that, comprises the following steps:
(1) attapulgite is carried out to modification: first use 15-20% salt acid soak attapulgite 1-2 hour, leave standstill, clarification, centrifugal, solid washes with water to neutrality, after oven dry, add that to be equivalent to the vinyltriethoxysilane agitating of solid weight 3-5% even, dry, grind to form nanometer powder;
(2) starting material that take by formula rate, drop into abrasive dust in ball mill by lumpy material, and powder is crossed 180-200 mesh sieve;
(3) powder of milled, auxiliary agent is admixed together, drop in stirrer, then add appropriate water to stir into slurry;
(4) mixed slurry being stirred is injected to mould;
(5) then put into the chamber of resting at 50-60 DEG C of sealing thermal insulation, the time 1.5-2 hour that rests, the base substrate that obtains resting; (6) base substrate of resting is put into and on cutting machine, is processed into fragment of brick; (7) fragment of brick is put in high pressure autoclave and carried out steam press maintenance 6-8 hour, steam curing temperature is 180-195 DEG C, steam-cured pressure 10-11 MPa;
(8) fragment of brick in autoclave is removed pressure, lowered the temperature, goes out still, obtain product.
beneficial effect of the present invention:
The present invention, by adopting the composition of carbide slag as aerated bricks, has effectively reduced environmental pollution, turns waste into wealth, and has protected environment; The present invention, by adding nanometer powder breeze, has alleviated the unit weight of brick, meanwhile, has reduced energy consumption; Brick of the present invention is heat insulation all good with sound-proofing properties, and more existing aerated bricks is significantly improved.The present invention is simultaneously by optimization of C/C composites materials, and intensity of the present invention, frost resistance are significantly improved.Prepared aerated bricks both can be used as non-bearing wall body and had used, and also can make bearing wall and use.
Embodiment
Embodiment 1
Take the starting material of following weight part: carbide slag 20-30, flyash 25-30, cement 5-10, modified Nano attapulgite 4-6, water treatment sludge 5-10, alkaline residue 5-10, light calcium carbonate powder 5-10, lime 10-15, the 0.1-0.3% of trolamine lime weight, gypsum 1-3, aluminium powder 0.02-0.08, oxidized paraffin wax soap dosage is the 3-5% of aluminium powder weight, Calcium hydrogen carbonate 0.01-0.02, clay dregs 2-3, lignocellulose 1-2, water glass 0.3-0.5, Sodium hexametaphosphate 99 1-2, borax 0.03-0.05, Vltra tears sodium 1-2, micronized polyethylene alcohol 1-2,
Wherein, attapulgite is carried out to modification: first use 15-20% salt acid soak attapulgite 1-2 hour, leave standstill, clarification, centrifugal, solid washes with water to neutrality, after oven dry, adds that to be equivalent to the vinyltriethoxysilane agitating of solid weight 3-5% even, dry, grind to form nanometer powder
Load weighted above-mentioned substance is processed into aerated bricks finished product by following method, concrete steps:
(1) attapulgite is carried out to modification: first use 15-20% salt acid soak attapulgite 1-2 hour, leave standstill, clarification, centrifugal, solid washes with water to neutrality, after oven dry, add that to be equivalent to the vinyltriethoxysilane agitating of solid weight 3-5% even, dry, grind to form nanometer powder;
(2) starting material that take by formula rate, drop into abrasive dust in ball mill by lumpy material, and powder is crossed 180-200 mesh sieve;
(3) powder of milled, auxiliary agent is admixed together, drop in stirrer, then add appropriate water to stir into slurry;
(4) mixed slurry being stirred is injected to mould;
(5) then put into the chamber of resting at 50-60 DEG C of sealing thermal insulation, the time 1.5-2 hour that rests, the base substrate that obtains resting; (6) base substrate of resting is put into and on cutting machine, is processed into fragment of brick; (7) fragment of brick is put in high pressure autoclave and carried out steam press maintenance 6-8 hour, steam curing temperature is 180-195 DEG C, steam-cured pressure 10-11 MPa;
(8) fragment of brick in autoclave is removed pressure, lowered the temperature, goes out still, obtain product.
Embodiment 2
Take the starting material of following weight part: carbide slag 25, cement 56, modified Nano attapulgite 5, water treatment sludge 8, alkaline residue 6, light calcium carbonate powder 12, lime 14, the 0.1-0.3% of trolamine lime weight, gypsum 2, aluminium powder 0.05, oxidized paraffin wax soap dosage is 4% of aluminium powder weight, Calcium hydrogen carbonate 0.01, clay dregs 3, lignocellulose 1.5, water glass 0.4, Sodium hexametaphosphate 99 1, borax 0.04, Vltra tears sodium 2, micronized polyethylene alcohol 1, wherein, attapulgite modifiedly made by following method: first use 15 % salt acid soak sepiolite 1-2 hour, leave standstill, clarification, centrifugal, solid washes with water to neutrality, after oven dry, add that to be equivalent to the vinyltriethoxysilane agitating of solid weight 3-5% even, dry, be ground into powder,
Load weighted above-mentioned substance is processed into aerated bricks finished product by following method, concrete steps:
(1) attapulgite is carried out to modification: first use 15-20% salt acid soak attapulgite 1-2 hour, leave standstill, clarification, centrifugal, solid washes with water to neutrality, after oven dry, add that to be equivalent to the vinyltriethoxysilane agitating of solid weight 3-5% even, dry, grind to form nanometer powder;
(2) starting material that take by formula rate, drop into abrasive dust in ball mill by lumpy material, and powder is crossed 180-200 mesh sieve;
(3) powder of milled, auxiliary agent is admixed together, drop in stirrer, then add appropriate water to stir into slurry;
(4) mixed slurry being stirred is injected to mould;
(5) then put into the chamber of resting at 50-60 DEG C of sealing thermal insulation, the time 1.5-2 hour that rests, the base substrate that obtains resting; (6) base substrate of resting is put into and on cutting machine, is processed into fragment of brick; (7) fragment of brick is put in high pressure autoclave and carried out steam press maintenance 6-8 hour, steam curing temperature is 180-195 DEG C, steam-cured pressure 10-11 MPa;
(8) fragment of brick in autoclave is removed pressure, lowered the temperature, goes out still, obtain product.
The performance test results of the aerated bricks to embodiment 2 sees the following form:
Claims (1)
1. a carbide slag aerated bricks, is characterized in that, its starting material by following weight part are processed into:
Carbide slag 20-30, flyash 25-30, cement 5-10, modified Nano attapulgite 4-6, water treatment sludge 5-10, alkaline residue 5-10, light calcium carbonate powder 5-10, lime 10-15, trolamine dosage are that 0.1-0.3%, gypsum 1-3, aluminium powder 0.02-0.08, the oxidized paraffin wax soap dosage of lime weight is 3-5%, Calcium hydrogen carbonate 0.01-0.02, clay dregs 2-3, lignocellulose 1-2, water glass 0.3-0.5, Sodium hexametaphosphate 99 1-2, Vltra tears sodium 1-2, micronized polyethylene alcohol 1-2, the borax 0.03-0.05 of aluminium powder weight
Described modified Nano attapulgite is made by following method: first use 15-20% salt acid soak attapulgite 1-2 hour, leave standstill, clarification, centrifugal, solid washes with water to neutrality, after oven dry, adds that to be equivalent to the vinyltriethoxysilane agitating of solid weight 3-5% even, dry, grind to form nanometer powder.
2.the preparation method of carbide slag aerated bricks as claimed in claim 1, is characterized in that, comprises the following steps:
(1) attapulgite is carried out to modification: first use 15-20% salt acid soak attapulgite 1-2 hour, leave standstill, clarification, centrifugal, solid washes with water to neutrality, after oven dry, add that to be equivalent to the vinyltriethoxysilane agitating of solid weight 3-5% even, dry, grind to form nanometer powder;
(2) starting material that take by formula rate, drop into abrasive dust in ball mill by lumpy material, and powder is crossed 180-200 mesh sieve;
(3) powder of milled, auxiliary agent is admixed together, drop in stirrer, then add appropriate water to stir into slurry;
(4) mixed slurry being stirred is injected to mould;
(5) then put into the chamber of resting at 50-60 DEG C of sealing thermal insulation, the time 1.5-2 hour that rests, the base substrate that obtains resting; (6) base substrate of resting is put into and on cutting machine, is processed into fragment of brick; (7) fragment of brick is put in high pressure autoclave and carried out steam press maintenance 6-8 hour, steam curing temperature is 180-195 DEG C, steam-cured pressure 10-11 MPa;
(8) fragment of brick in autoclave is removed pressure, lowered the temperature, goes out still, obtain product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210304880.2A CN102875070B (en) | 2012-08-25 | 2012-08-25 | Acetylene sludge aerated concrete block and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210304880.2A CN102875070B (en) | 2012-08-25 | 2012-08-25 | Acetylene sludge aerated concrete block and preparation method thereof |
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| Publication Number | Publication Date |
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| CN102875070A CN102875070A (en) | 2013-01-16 |
| CN102875070B true CN102875070B (en) | 2014-08-13 |
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| CN201210304880.2A Expired - Fee Related CN102875070B (en) | 2012-08-25 | 2012-08-25 | Acetylene sludge aerated concrete block and preparation method thereof |
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| CN103979758B (en) * | 2014-06-01 | 2015-10-28 | 重庆愚吉机械制造有限公司 | Mud after acidifying |
| CN105152622A (en) * | 2015-07-08 | 2015-12-16 | 安徽省溜口新型建筑材料有限公司 | Straw ash steam-pressing brick |
| CN106380172A (en) * | 2016-08-31 | 2017-02-08 | 郭迎庆 | Preparation method for mould-proof antifreeze aerated brick |
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| CN108383469A (en) * | 2018-02-10 | 2018-08-10 | 雷春生 | A kind of preparation method of Anti-pressure no-baking carbide residue brick |
| CN109336475A (en) * | 2018-10-12 | 2019-02-15 | 东南大学 | A kind of 3D printing alkali-activated carbonatite cementitious material |
| CN109293313B (en) * | 2018-11-24 | 2021-04-06 | 深圳市深广通环保建材有限公司 | Sludge brick and preparation process thereof |
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| CN101108771A (en) * | 2006-07-19 | 2008-01-23 | 陈泽远 | Method for preparing baking-free steaming-free brick by using pure slag self-generated binder |
| CN101215142A (en) * | 2008-01-04 | 2008-07-09 | 华中科技大学 | Bayer process red mud composite brick and producing method thereof |
| CN101412611A (en) * | 2007-10-17 | 2009-04-22 | 李学林 | Utilize flyash and carbide slag to make the method for autoclaved brick |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101108771A (en) * | 2006-07-19 | 2008-01-23 | 陈泽远 | Method for preparing baking-free steaming-free brick by using pure slag self-generated binder |
| CN101412611A (en) * | 2007-10-17 | 2009-04-22 | 李学林 | Utilize flyash and carbide slag to make the method for autoclaved brick |
| CN101215142A (en) * | 2008-01-04 | 2008-07-09 | 华中科技大学 | Bayer process red mud composite brick and producing method thereof |
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