CN102807332B - Self-waterproof sulphoaluminate cement and preparation method of concrete by using self-waterproof sulphoaluminate cement - Google Patents
Self-waterproof sulphoaluminate cement and preparation method of concrete by using self-waterproof sulphoaluminate cement Download PDFInfo
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- CN102807332B CN102807332B CN201210255459.7A CN201210255459A CN102807332B CN 102807332 B CN102807332 B CN 102807332B CN 201210255459 A CN201210255459 A CN 201210255459A CN 102807332 B CN102807332 B CN 102807332B
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- 239000004568 cement Substances 0.000 title claims abstract description 64
- 238000002360 preparation method Methods 0.000 title claims abstract description 12
- 239000004567 concrete Substances 0.000 title claims description 8
- -1 fatty acid salt Chemical class 0.000 claims abstract description 29
- 235000014113 dietary fatty acids Nutrition 0.000 claims abstract description 23
- 239000000194 fatty acid Substances 0.000 claims abstract description 23
- 229930195729 fatty acid Natural products 0.000 claims abstract description 23
- 239000002253 acid Substances 0.000 claims abstract description 19
- CJZGTCYPCWQAJB-UHFFFAOYSA-L calcium stearate Chemical compound [Ca+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CJZGTCYPCWQAJB-UHFFFAOYSA-L 0.000 claims abstract description 11
- 239000008116 calcium stearate Substances 0.000 claims abstract description 11
- 235000013539 calcium stearate Nutrition 0.000 claims abstract description 11
- 239000003513 alkali Substances 0.000 claims abstract description 4
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 64
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims description 38
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 37
- 229910001570 bauxite Inorganic materials 0.000 claims description 34
- 239000002994 raw material Substances 0.000 claims description 33
- 239000011381 foam concrete Substances 0.000 claims description 31
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 29
- 239000000203 mixture Substances 0.000 claims description 26
- 239000004743 Polypropylene Substances 0.000 claims description 25
- 239000000835 fiber Substances 0.000 claims description 25
- 229920001155 polypropylene Polymers 0.000 claims description 25
- 150000004665 fatty acids Chemical class 0.000 claims description 22
- 229910052925 anhydrite Inorganic materials 0.000 claims description 21
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 claims description 21
- 238000000227 grinding Methods 0.000 claims description 20
- 238000001354 calcination Methods 0.000 claims description 19
- 239000000292 calcium oxide Substances 0.000 claims description 19
- 235000012255 calcium oxide Nutrition 0.000 claims description 19
- 238000000034 method Methods 0.000 claims description 19
- 239000010881 fly ash Substances 0.000 claims description 18
- 238000005187 foaming Methods 0.000 claims description 18
- 229910021487 silica fume Inorganic materials 0.000 claims description 18
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 17
- 235000011121 sodium hydroxide Nutrition 0.000 claims description 17
- 238000003756 stirring Methods 0.000 claims description 16
- 239000002893 slag Substances 0.000 claims description 14
- 239000002002 slurry Substances 0.000 claims description 14
- 238000001816 cooling Methods 0.000 claims description 13
- 239000000843 powder Substances 0.000 claims description 13
- 230000000694 effects Effects 0.000 claims description 9
- 229910052683 pyrite Inorganic materials 0.000 claims description 9
- NIFIFKQPDTWWGU-UHFFFAOYSA-N pyrite Chemical compound [Fe+2].[S-][S-] NIFIFKQPDTWWGU-UHFFFAOYSA-N 0.000 claims description 9
- 239000011028 pyrite Substances 0.000 claims description 9
- 235000021355 Stearic acid Nutrition 0.000 claims description 7
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims description 7
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 claims description 7
- 239000008117 stearic acid Substances 0.000 claims description 7
- 238000005303 weighing Methods 0.000 claims description 7
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 claims description 5
- 239000000920 calcium hydroxide Substances 0.000 claims description 5
- 229910001861 calcium hydroxide Inorganic materials 0.000 claims description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- POULHZVOKOAJMA-UHFFFAOYSA-N dodecanoic acid Chemical compound CCCCCCCCCCCC(O)=O POULHZVOKOAJMA-UHFFFAOYSA-N 0.000 claims description 4
- 235000021321 essential mineral Nutrition 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims description 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 2
- 239000005639 Lauric acid Substances 0.000 claims description 2
- 230000001133 acceleration Effects 0.000 claims description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 2
- 239000011440 grout Substances 0.000 claims description 2
- 229910052760 oxygen Inorganic materials 0.000 claims description 2
- 239000001301 oxygen Substances 0.000 claims description 2
- 239000000377 silicon dioxide Substances 0.000 claims description 2
- 235000012239 silicon dioxide Nutrition 0.000 claims description 2
- 229960001866 silicon dioxide Drugs 0.000 claims description 2
- 238000002156 mixing Methods 0.000 claims 1
- 239000000126 substance Substances 0.000 abstract description 7
- 238000006243 chemical reaction Methods 0.000 abstract description 6
- 230000002209 hydrophobic effect Effects 0.000 abstract description 4
- 238000011049 filling Methods 0.000 abstract description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 abstract 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 abstract 3
- 239000010883 coal ash Substances 0.000 abstract 3
- 239000011863 silicon-based powder Substances 0.000 abstract 3
- 235000008733 Citrus aurantifolia Nutrition 0.000 abstract 1
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 abstract 1
- 235000011941 Tilia x europaea Nutrition 0.000 abstract 1
- 125000001931 aliphatic group Chemical group 0.000 abstract 1
- 150000001875 compounds Chemical class 0.000 abstract 1
- 239000004571 lime Substances 0.000 abstract 1
- 239000011148 porous material Substances 0.000 abstract 1
- 239000000463 material Substances 0.000 description 6
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000003860 storage Methods 0.000 description 5
- 239000011701 zinc Substances 0.000 description 5
- 229910052725 zinc Inorganic materials 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 2
- 235000019739 Dicalciumphosphate Nutrition 0.000 description 2
- 238000007664 blowing Methods 0.000 description 2
- 239000011575 calcium Substances 0.000 description 2
- 229910052791 calcium Inorganic materials 0.000 description 2
- 239000001506 calcium phosphate Substances 0.000 description 2
- 239000004927 clay Substances 0.000 description 2
- NEFBYIFKOOEVPA-UHFFFAOYSA-K dicalcium phosphate Chemical compound [Ca+2].[Ca+2].[O-]P([O-])([O-])=O NEFBYIFKOOEVPA-UHFFFAOYSA-K 0.000 description 2
- 229940038472 dicalcium phosphate Drugs 0.000 description 2
- 229910000390 dicalcium phosphate Inorganic materials 0.000 description 2
- 239000010440 gypsum Substances 0.000 description 2
- 229910052602 gypsum Inorganic materials 0.000 description 2
- 229910010272 inorganic material Inorganic materials 0.000 description 2
- 239000011147 inorganic material Substances 0.000 description 2
- 208000013201 Stress fracture Diseases 0.000 description 1
- 229920006328 Styrofoam Polymers 0.000 description 1
- AGWMJKGGLUJAPB-UHFFFAOYSA-N aluminum;dicalcium;iron(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Al+3].[Ca+2].[Ca+2].[Fe+3] AGWMJKGGLUJAPB-UHFFFAOYSA-N 0.000 description 1
- 238000003763 carbonization Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000004035 construction material Substances 0.000 description 1
- 239000011162 core material Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000010410 dusting Methods 0.000 description 1
- 238000006253 efflorescence Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 206010037844 rash Diseases 0.000 description 1
- 239000000344 soap Substances 0.000 description 1
- 239000008261 styrofoam Substances 0.000 description 1
- LFQCEHFDDXELDD-UHFFFAOYSA-N tetramethyl orthosilicate Chemical compound CO[Si](OC)(OC)OC LFQCEHFDDXELDD-UHFFFAOYSA-N 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
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- Curing Cements, Concrete, And Artificial Stone (AREA)
- Silicates, Zeolites, And Molecular Sieves (AREA)
Abstract
The invention discloses self-waterproof sulphoaluminate cement, which is prepared by using the following components in parts by weight: 55-85 parts of clinker, 10-35 parts of pulverized coal ash, 1-4 parts of lime, 0.5-1 part of higher aliphatic acid, 0.5-2 parts of alkali compound, 0.5-1.5 parts of methane siliconic acid, 0.5-3 parts of calcium stearate and 1-5 parts of micro silicon powder. During the preparation of the cement, hydrophobic fatty acid salt and methane silicate are produced, and the hydrophobic substances are adsorbed on the surfaces of the pulverized coal ash, the micro silicon powder, the cement and hydrated substances. At the same time, the pulverized coal ash and the micro silicon powder can fill internal pores and micro cracks through filling and chemical reaction after the cement is solidified, so the goals of realizing self-waterproof performance and improving cement product strength are achieved.
Description
Technical field
The present invention relates to building field, especially a kind of from waterproof aluminosulfate cement and preparation method thereof preparation method concrete with it.
Background technology
Lagging material in building energy conservation heat insulation engineering divides the organic and large class of inorganic materials two, and fire very easily appears in organic materials, and therefore, inorganic materials foamed concrete plate is brought into use in some engineerings.Foamed concrete plate can be taked physical blowing (as application number CN102153364A) and two kinds of modes of chemical foaming, and physical blowing is relatively simple, but the unit weight of sheet material is relatively large, normally used at 300kg/m
3above; The foamed concrete of chemical foaming is from focusing on 180-350kg/m
3, relatively light, thermal conductivity and styrofoam approach, and more and more in engineering, are applied.
At present, low-alkalinity sulphoaluminate cement is to take Wingdale, bauxitic clay, gypsum to be finely ground to the raw material of suitable composition as main raw material, through the calcining anhydrous calcium sulphoaluminate that is able to, Dicalcium Phosphate (Feed Grade), be the grog of essential mineral composition, then make after admixture proper amount of gypsum, unslaked lime.Require to adopt Al
2o
3content is in the higher-grade bauxitic clay resource of 70% left and right, in the grog burning out, essential mineral is anhydrous calcium sulphoaluminate content 56-68%, Dicalcium Phosphate (Feed Grade) 20-25%, the lower <10% of tetracalcium aluminoferrite content, although the low alkali cement of making has the still point such as early strong, microdilatancy, low drying shrinkage, low basicity, but anti-carbonization, erosion resistant, wear-resistant, antiscour, cracking resistance victory can be relatively poor, product surface easily " dusting ", " efflorescence " comes off.The most of low-alkalinity sulphoaluminate cement that adopts of foamed concrete of chemical foaming is that core material foaming forms, and this is current comparatively ideal thermal construction material.Chemical characteristic because of the composition of low-alkalinity sulphoaluminate cement composition material, makes to produce existing cellular concrete product and has the shortcoming that intensity is low, shrinking percentage is large, water-intake rate is high.These drawbacks limit applying of foamed concrete material.The existing material mixture ratio of factor that causes these shortcomings to exist is improper, also has the reason of construction technology.
Summary of the invention
What the object of the invention is to design in order to solve the deficiency of above-mentioned technology is a kind of from waterproof aluminosulfate cement and preparation method thereof, thereby reaches from waterproof and improve the object of cement products intensity; The present invention also provides a kind of intensity high, the good concrete preparation method of water resistance.
The present invention designed from waterproof aluminosulfate cement, it is composed as follows that its each components in mass portion is counted meter:
As preferably: described grog is made by following technique:
First Wingdale, high red bauxite mine tailing, anhydrite incoming stock stock after broken is put, then the ratio of Wingdale 40-50 part, high red bauxite mine tailing 40-45, anhydrite 3-5 part is prepared burden according to the mass fraction, the raw material that prepare enter ball mill grinding, raw material through powder separating machine sorting carry out after abundant homogenizing again, send into calcining in novel shaft preheater rotary kiln, burning till Optimal Temperature is 1350 degree, time 30-50 minute, after cooling, make again grog, then enter clinker warehouse and store.
Or; Described grog is made by following technique:
First by Wingdale, anhydrite, bauxite mixture incoming stock stock after broken put, then Wingdale 40-50 part according to the mass fraction, bauxite mixture 40-45 part, the ratio batching of anhydrite 3-5 part, the raw material that prepare enter ball mill grinding, raw material through powder separating machine sorting carry out after abundant homogenizing again, send into calcining in novel shaft preheater rotary kiln, burning till Optimal Temperature is 1350 degree, time 30-50 minute, after cooling, make again grog, then entering clinker warehouse stores, wherein said bauxite mixture consists of bauxite and pyrite slag, ratio is 85:15.。
As preferably: the essential mineral content (mass percent) of described grog is C
4a
3s:48-62%, C
2s:16-25%, C
4aF:15-24%, alkali content≤0.65%; Activity index>=85% of described flyash, fineness 0.045mm square hole sieve≤20%, tap density≤750kg/m
3, wherein aluminium sesquioxide and silicon-dioxide total amount>=70%;
The CaO of described unslaked lime, MgO content are greater than 85%, and MgO content≤5%;
Described higher fatty acid is industrial stearic acid or lauric acid;
Described basic cpd is flaky sodium hydrate;
Described methyl siliconic acid is appearance white or micro-yellow granular solid, solid content: >=65%;
Described calcium stearate is industrial lightweight calcium stearate;
Described SILICA FUME median size is at 0.1-0.3 micron;
The length of described polypropylene fibre is 3-10 millimeter.
The present invention designed from waterproof aluminosulfate cement preparation method, grog, flyash, unslaked lime, higher fatty acid, flaky sodium hydrate, methyl siliconic acid, SILICA FUME are sent into grinding to 325 object fineness in energy-efficient mill after microcomputer is prepared burden in proportion, make from waterproof aluminosulfate cement;
Wherein, described grog is made by following technique:
First Wingdale, high red bauxite mine tailing, anhydrite incoming stock stock after broken is put, then the ratio of Wingdale 40-50 part, high red bauxite mine tailing 40-45, anhydrite 3-5 part is prepared burden according to the mass fraction, the raw material that prepare enter ball mill grinding, raw material through powder separating machine sorting carry out after abundant homogenizing again, send into calcining in novel shaft preheater rotary kiln, then after cooling, make grog;
Or described grog is made by following technique:
First Wingdale, anhydrite, bauxite mixture incoming stock stock after broken is put, then the ratio of Wingdale 40-50 part, bauxite mixture 40-45 part, anhydrite 3-5 part is prepared burden according to the mass fraction, the raw material that prepare enter ball mill grinding, raw material through powder separating machine sorting carry out after abundant homogenizing again, send into calcining in novel shaft preheater rotary kiln, burning till Optimal Temperature is 1350 degree, time 30-50 minute, after cooling, make again grog, wherein said bauxite mixture consists of bauxite and pyrite slag, and ratio is 85:15.
The present invention designed from waterproof aluminosulfate cement, while adding 30～70 ℃ of water reactions, conventionally internal temperature is between 60～90 ℃, the CaO of unslaked lime can generate calcium hydroxide after meeting water, the hydrated product of cement also has calcium hydroxide, and higher fatty acid and methyl siliconic acid meeting and calcium hydroxide, sodium hydroxide reaction, generation has soap and the methyl silicate of hydrophobic nature, the material of these hydrophobic naturies will be adsorbed on flyash, SILICA FUME, cement and aquation material surface, flyash and SILICA FUME make up internal void and the microfracture after hardening of cement by filling and chemical reaction simultaneously, thereby reach the object from waterproof and raising cement products intensity.
The concrete preparation method that the present invention is designed, comprises the steps:
1. by the unit weight requirement of building mould and cellular concrete product, calculate and take the utility model designed from waterproof aluminosulfate cement weight;
2. take in proportion polypropylene fibre, and and stirring from waterproof aluminosulfate cement of taking;
3. take in proportion hydrogen peroxide; The consumption of hydrogen peroxide is the 4-8% from waterproof aluminosulfate cement weight, after hydrogen peroxide and cement, produce oxygen, thereby grout volume is expanded, and hydrogen peroxide acceleration higher fatty acid and methyl siliconic acid react with calcium hydroxide, sodium hydroxide, cement-hydrate, flyash, SILICA FUME simultaneously;
4. take in proportion water, the temperature of water is at 30-70 degree, and summer is with the water of 30 degree, and winter is with 70 water of spending;
5. the water weighing up is poured into stirrer, polypropylene fibre with from the adulterant of waterproof aluminosulfate cement, add in stirrer, stir 1-3 minute, until stir, the hydrogen peroxide taking is poured in stirrer, stirred 0.5-2 minute, slurry is poured in mould, slurry is foaming under the effect of hydrogen peroxide, form removal in 2-3 hour;
6. as required, the foamed concrete piece of foaming is cut into cellular concrete product.
The concrete preparation method that the present invention is designed, technique is simple, utilize foamed concrete chemical reaction temperature high, the feature that the time length is long is added macromolecular material in cement products, and and other substance reaction, thereby improve the quality of foamed concrete concrete product, cellular concrete product intensity of the present invention obviously improves, and water resistance is good, steady quality, cost is low.
Embodiment
The present invention is further described by the following embodiment.
Embodiment 1
According to following weight parts, take raw material:
Grog: 85 parts, flyash: 10 parts, unslaked lime: 4 parts, higher fatty acid: 1 part, basic cpd: 2 parts, methyl siliconic acid: 1.5 parts, calcium stearate: 1 part, SILICA FUME: 5 parts, polypropylene fibre: 0.8 part, water: 120 parts, hydrogen peroxide: 6 parts.
Described higher fatty acid is industrial stearic acid;
Described basic cpd is flaky sodium hydrate;
Described polypropylene fibre length 10mm;
The temperature 50 C of described water;
The concentration of described hydrogen peroxide is 27%.
Production technique from waterproof aluminosulfate cement is: first by Wingdale, high red bauxite mine tailing (while selecting bauxite, need arrange in pairs or groups by a certain percentage evenly with pyrite slag or plumbous zinc ore slag), anhydrite puts through incoming stock stock after broken, then by microcomputer, prepare burden in proportion, the raw material that prepare enter ball mill grinding, raw material through powder separating machine sorting carry out after abundant homogenizing again, send into calcining in novel shaft preheater rotary kiln, burning till Optimal Temperature is 1350 degree, 30 minutes time, after calcining, grog enters clinker warehouse storage after cooling; Satisfactory grog, flyash, unslaked lime, higher fatty acid, flaky sodium hydrate, methyl siliconic acid, SILICA FUME are sent into grinding in energy-efficient mill after microcomputer is prepared burden in proportion, to certain fineness, to be made from waterproof aluminosulfate cement.
From waterproof aluminosulfate cement, make the method for cellular concrete product:
1. the polypropylene fibre taking and 100 parts are stirred and carry out mix and blend from waterproof aluminosulfate cement.
2. the water weighing up is poured into stirrer, polypropylene fibre with from the adulterant of waterproof aluminosulfate cement, add in stirrer, stir 1 minute, until stir, the hydrogen peroxide taking is poured in stirrer, stirred 0.5 minute, slurry is poured in mould, slurry is foaming under the effect of hydrogen peroxide, form removal in 2 hours.
3. as required, the foamed concrete piece of foaming is cut into cellular concrete product.
Embodiment 2 takes raw material according to following weight parts:
Grog: 70 parts, flyash: 20 parts, unslaked lime: 2 parts, higher fatty acid: 1 part, basic cpd: 2 parts, methyl siliconic acid: 1.5 parts, calcium stearate: 1.5 parts, SILICA FUME: 2 parts, polypropylene fibre: 0.7 part, water: 110 parts, hydrogen peroxide: 6 parts.
Described higher fatty acid is industrial stearic acid;
Described basic cpd is flaky sodium hydrate;
Described polypropylene fibre length 10mm;
55 ℃ of the temperature of described water;
The concentration of described hydrogen peroxide is 27%.
Production technique from waterproof aluminosulfate cement is: first by Wingdale, high red bauxite mine tailing (while selecting bauxite, need arrange in pairs or groups by a certain percentage evenly with pyrite slag or plumbous zinc ore slag), anhydrite puts through incoming stock stock after broken, then by microcomputer, prepare burden in proportion, the raw material that prepare enter ball mill grinding, raw material through powder separating machine sorting carry out after abundant homogenizing again, send into calcining in novel shaft preheater rotary kiln, burning till Optimal Temperature is 1350 degree, 35 minutes time, after calcining, grog enters clinker warehouse storage after cooling; Satisfactory grog, flyash, unslaked lime, higher fatty acid, flaky sodium hydrate, methyl siliconic acid, SILICA FUME are sent into grinding in energy-efficient mill after microcomputer is prepared burden in proportion, to certain fineness, to be made from waterproof aluminosulfate cement.
From waterproof aluminosulfate cement, make the method for cellular concrete product:
1. the polypropylene fibre taking and 100 parts are stirred and carry out mix and blend from waterproof aluminosulfate cement.
2. the water weighing up is poured into stirrer, polypropylene fibre with from the adulterant of waterproof aluminosulfate cement, add in stirrer, stir 1.5 minutes, until stir, the hydrogen peroxide taking is poured in stirrer, stirred 1 minute, slurry is poured in mould, slurry is foaming under the effect of hydrogen peroxide, form removal in 2.4 hours.
3. as required, the foamed concrete piece of foaming is cut into cellular concrete product.
Embodiment 3 takes raw material according to following weight parts:
Grog: 55 parts, flyash: 35 parts, unslaked lime: 2 parts, higher fatty acid: 0.5 part, basic cpd: 0.5 part, methyl siliconic acid: 0.5 part, calcium stearate: 3 parts, SILICA FUME: 1 part, polypropylene fibre: 0.5 part, water: 70 parts, hydrogen peroxide: 5 parts.
Described higher fatty acid is industrial stearic acid;
Described basic cpd is flaky sodium hydrate;
Described polypropylene fibre length 6mm;
The temperature 60 C of described water;
The concentration of described hydrogen peroxide is 27%.
Production technique from waterproof aluminosulfate cement is: first by Wingdale, high red bauxite mine tailing (while selecting bauxite, need arrange in pairs or groups by a certain percentage evenly with pyrite slag or plumbous zinc ore slag), anhydrite puts through incoming stock stock after broken, then by microcomputer, prepare burden in proportion, the raw material that prepare enter ball mill grinding, raw material through powder separating machine sorting carry out after abundant homogenizing again, send into calcining in novel shaft preheater rotary kiln, burning till Optimal Temperature is 1350 degree, 40 minutes time, after calcining, grog enters clinker warehouse storage after cooling; Satisfactory grog, flyash, unslaked lime, higher fatty acid, flaky sodium hydrate, methyl siliconic acid, SILICA FUME are sent into grinding in energy-efficient mill after microcomputer is prepared burden in proportion, to certain fineness, to be made from waterproof aluminosulfate cement.
From waterproof aluminosulfate cement, make the method for cellular concrete product:
1. the polypropylene fibre taking and 100 parts are stirred and carry out mix and blend from waterproof aluminosulfate cement.
2. the water weighing up is poured into stirrer, polypropylene fibre with from the adulterant of waterproof aluminosulfate cement, add in stirrer, stir 3 minutes, until stir, the hydrogen peroxide taking is poured in stirrer, stirred 2 minutes, slurry is poured in mould, slurry is foaming under the effect of hydrogen peroxide, form removal in 3 hours.
3. as required, the foamed concrete piece of foaming is cut into cellular concrete product.
Embodiment 4 takes raw material according to following weight parts:
Grog: 75 parts, flyash: 20 parts, unslaked lime: 4 parts, higher fatty acid: 0.5 part, basic cpd: 2 parts, methyl siliconic acid: 1.5 parts, calcium stearate: 2 parts, SILICA FUME: 3 parts, polypropylene fibre: 0.65 part, water: 85 parts, hydrogen peroxide: 8 parts.
Described higher fatty acid is industrial stearic acid;
Described basic cpd is flaky sodium hydrate;
Described polypropylene fibre length 6mm;
The temperature 60 C of described water;
The concentration of described hydrogen peroxide is 27%.
Production technique from waterproof aluminosulfate cement is: first by Wingdale, high red bauxite mine tailing (while selecting bauxite, need arrange in pairs or groups by a certain percentage evenly with pyrite slag or plumbous zinc ore slag), anhydrite puts through incoming stock stock after broken, then by microcomputer, prepare burden in proportion, the raw material that prepare enter ball mill grinding, raw material through powder separating machine sorting carry out after abundant homogenizing again, send into calcining in novel shaft preheater rotary kiln, burning till Optimal Temperature is 1350 degree, 45 minutes time, after calcining, grog enters clinker warehouse storage after cooling; Satisfactory grog, flyash, unslaked lime, higher fatty acid, flaky sodium hydrate, methyl siliconic acid, SILICA FUME are sent into grinding in energy-efficient mill after microcomputer is prepared burden in proportion, to certain fineness, to be made from waterproof aluminosulfate cement.
From waterproof aluminosulfate cement, make the method for cellular concrete product:
1. the polypropylene fibre taking and 100 parts are stirred and carry out mix and blend from waterproof aluminosulfate cement.
2. the water weighing up is poured into stirrer, polypropylene fibre with from the adulterant of waterproof aluminosulfate cement, add in stirrer, stir 2 minutes, until stir, the hydrogen peroxide taking is poured in stirrer, stirred 1 minute, slurry is poured in mould, slurry is foaming under the effect of hydrogen peroxide, form removal in 2 hours.
3. as required, the foamed concrete piece of foaming is cut into cellular concrete product.
Embodiment 5 takes raw material according to following weight parts:
Grog: 80 parts, flyash: 15 parts, unslaked lime: 1 part, higher fatty acid: 0.5 part, basic cpd: 2 parts, methyl siliconic acid: 1.5 parts, calcium stearate: 2 parts, SILICA FUME: 3 parts, polypropylene fibre: 0.65 part, water: 85 parts, hydrogen peroxide: 7 parts.
Described higher fatty acid is industrial stearic acid;
Described basic cpd is flaky sodium hydrate;
Described polypropylene fibre length 3mm;
The temperature 70 C of described water;
The concentration of described hydrogen peroxide is 27%.
Production technique from waterproof aluminosulfate cement is: first by Wingdale, high red bauxite mine tailing (while selecting bauxite, need arrange in pairs or groups by a certain percentage evenly with pyrite slag or plumbous zinc ore slag), anhydrite puts through incoming stock stock after broken, then by microcomputer, prepare burden in proportion, the raw material that prepare enter ball mill grinding, raw material through powder separating machine sorting carry out after abundant homogenizing again, send into calcining in novel shaft preheater rotary kiln, burning till Optimal Temperature is 1350 degree, 50 minutes time, after calcining, grog enters clinker warehouse storage after cooling; Satisfactory grog, flyash, unslaked lime, higher fatty acid, flaky sodium hydrate, methyl siliconic acid, SILICA FUME are sent into grinding in energy-efficient mill after microcomputer is prepared burden in proportion, to certain fineness, to be made from waterproof aluminosulfate cement.
From waterproof aluminosulfate cement, make the method for cellular concrete product:
1. the polypropylene fibre taking and 100 parts are stirred and carry out mix and blend from waterproof aluminosulfate cement.
2. the water weighing up is poured into stirrer, polypropylene fibre with from the adulterant of waterproof aluminosulfate cement, add in stirrer, stir 2 minutes, until stir, the hydrogen peroxide taking is poured in stirrer, stirred 1 minute, slurry is poured in mould, slurry is foaming under the effect of hydrogen peroxide, form removal in 2 hours.
3. as required, the foamed concrete piece of foaming is cut into cellular concrete product.
The physicals test rating of foamed concrete of the present invention is as shown in the table.
Claims (5)
1. from a waterproof aluminosulfate cement, it is composed as follows that each components in mass portion is counted meter:
Feature is that described grog is made by following technique:
First Wingdale, high red bauxite mine tailing, anhydrite incoming stock stock after broken is put, then the ratio of Wingdale 40-50 part, high red bauxite mine tailing 40-45 part, anhydrite 3-5 part is prepared burden according to the mass fraction, the raw material that prepare enter ball mill grinding, raw material through powder separating machine sorting carry out after abundant homogenizing again, send into calcining in shaft preheater rotary kiln, after cooling, make again grog, then enter clinker warehouse and store.
2. from a waterproof aluminosulfate cement, it is composed as follows that each components in mass portion is counted meter:
It is characterized in that described grog is made by following technique:
First Wingdale, anhydrite, bauxite mixture incoming stock stock after broken is put, then the ratio of Wingdale 40-50 part, bauxite mixture 40-45 part, anhydrite 3-5 part is prepared burden according to the mass fraction, the raw material that prepare enter ball mill grinding, raw material through powder separating machine sorting carry out after abundant homogenizing again, send into calcining in shaft preheater rotary kiln, after cooling, make again grog, then entering clinker warehouse stores, wherein said bauxite mixture consists of bauxite and pyrite slag, and ratio is 85:15.
3. according to claim 1 and 2 from waterproof aluminosulfate cement, the mass percent that it is characterized in that the essential mineral content of described grog is C
4a
3s:48-62%, C
2s:16-25%, C
4aF:15-24%, alkali content≤0.65%; Activity index>=85% of described flyash, fineness 0.045mm square hole sieve≤20%, tap density≤750kg/m
3, wherein aluminium sesquioxide and silicon-dioxide total amount>=70%;
The CaO of described unslaked lime, MgO content are greater than 85%, and MgO content≤5%;
Described higher fatty acid is industrial stearic acid or lauric acid;
Described basic cpd is flaky sodium hydrate;
Described methyl siliconic acid is appearance white or micro-yellow granular solid, solid content: >=65%;
Described calcium stearate is industrial lightweight calcium stearate;
Described SILICA FUME median size is at 0.1-0.3 micron.
4. the preparation method from waterproof aluminosulfate cement as claimed in claim 1 or 2, it is characterized in that grog, flyash, unslaked lime, higher fatty acid, flaky sodium hydrate, methyl siliconic acid, calcium stearate, SILICA FUME after microcomputer is prepared burden in proportion, to send into grinding to 325 object fineness in energy-efficient mill, make from waterproof aluminosulfate cement;
Wherein, described grog is made by following technique:
First Wingdale, high red bauxite mine tailing, anhydrite incoming stock stock after broken is put, then the ratio of Wingdale 40-50 part, high red bauxite mine tailing 40-45, anhydrite 3-5 part is prepared burden according to the mass fraction, the raw material that prepare enter ball mill grinding, raw material through powder separating machine sorting carry out after abundant homogenizing again, send into calcining in shaft preheater rotary kiln, then after cooling, make grog;
Or described grog is made by following technique:
First Wingdale, anhydrite, bauxite mixture incoming stock stock after broken is put, then the ratio of Wingdale 40-50 part, bauxite mixture 40-45 part, anhydrite 3-5 part is prepared burden according to the mass fraction, the raw material that prepare enter ball mill grinding, raw material through powder separating machine sorting carry out after abundant homogenizing again, send into calcining in shaft preheater rotary kiln, after cooling, make again grog, wherein said bauxite mixture consists of bauxite and pyrite slag, and ratio is 85:15.
5. a concrete preparation method, is characterized in that comprising the steps:
1. by the unit weight requirement of building mould and cellular concrete product, calculate and take as claimed in claim 1 or 2 from waterproof aluminosulfate cement weight;
2. take polypropylene fibre, and and stirring from waterproof aluminosulfate cement of taking;
3. take in proportion hydrogen peroxide; The consumption of hydrogen peroxide is the 4-8% from waterproof aluminosulfate cement weight, after hydrogen peroxide and cement mixing, produce oxygen, thereby grout volume is expanded, and hydrogen peroxide acceleration higher fatty acid and methyl siliconic acid react with calcium hydroxide, sodium hydroxide, cement-hydrate, flyash, SILICA FUME simultaneously;
4. take water, the temperature of water is at 30-70 degree, and summer is with the water of 30 degree, and winter is with 70 water of spending;
5. the water weighing up is poured into stirrer, polypropylene fibre with from the adulterant of waterproof aluminosulfate cement, add in stirrer, stir 1-3 minute, until stir, the hydrogen peroxide taking is poured in stirrer, stirred 0.5-2 minute, slurry is poured in mould, slurry is foaming under the effect of hydrogen peroxide, form removal in 2-3 hour;
6. as required, the foamed concrete piece of foaming is cut into cellular concrete product.
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| CN102390968A (en) * | 2011-08-16 | 2012-03-28 | 岳建伟 | Heat insulation fireproofing honeycomb cement board and preparation method thereof |
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| CN102390968A (en) * | 2011-08-16 | 2012-03-28 | 岳建伟 | Heat insulation fireproofing honeycomb cement board and preparation method thereof |
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