CN103214226A - Recycled concrete commercial mortar - Google Patents
Recycled concrete commercial mortar Download PDFInfo
- Publication number
- CN103214226A CN103214226A CN201310116671XA CN201310116671A CN103214226A CN 103214226 A CN103214226 A CN 103214226A CN 201310116671X A CN201310116671X A CN 201310116671XA CN 201310116671 A CN201310116671 A CN 201310116671A CN 103214226 A CN103214226 A CN 103214226A
- Authority
- CN
- China
- Prior art keywords
- regeneration concrete
- commodity mortar
- micro mist
- mortar according
- regeneration
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000004567 concrete Substances 0.000 title claims abstract description 129
- 239000004570 mortar (masonry) Substances 0.000 title claims abstract description 49
- 239000002893 slag Substances 0.000 claims abstract description 33
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 29
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 29
- 239000002002 slurry Substances 0.000 claims abstract description 19
- 238000005406 washing Methods 0.000 claims abstract description 19
- 238000004519 manufacturing process Methods 0.000 claims abstract description 14
- 239000003513 alkali Substances 0.000 claims abstract description 8
- 238000011069 regeneration method Methods 0.000 claims description 116
- 230000008929 regeneration Effects 0.000 claims description 115
- 239000003595 mist Substances 0.000 claims description 45
- 239000000203 mixture Substances 0.000 claims description 31
- 239000011505 plaster Substances 0.000 claims description 28
- 239000004411 aluminium Substances 0.000 claims description 25
- 238000000498 ball milling Methods 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 14
- 239000002245 particle Substances 0.000 claims description 10
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 9
- 239000008188 pellet Substances 0.000 claims description 9
- 239000002910 solid waste Substances 0.000 claims description 8
- AKEJUJNQAAGONA-UHFFFAOYSA-N sulfur trioxide Chemical compound O=S(=O)=O AKEJUJNQAAGONA-UHFFFAOYSA-N 0.000 claims description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- 235000019353 potassium silicate Nutrition 0.000 claims description 4
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 238000005868 electrolysis reaction Methods 0.000 claims description 3
- 229910052742 iron Inorganic materials 0.000 claims description 3
- YLGXILFCIXHCMC-JHGZEJCSSA-N methyl cellulose Chemical compound COC1C(OC)C(OC)C(COC)O[C@H]1O[C@H]1C(OC)C(OC)C(OC)OC1COC YLGXILFCIXHCMC-JHGZEJCSSA-N 0.000 claims description 3
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 3
- 235000017550 sodium carbonate Nutrition 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 239000000843 powder Substances 0.000 abstract description 22
- 239000002699 waste material Substances 0.000 abstract description 6
- 239000004566 building material Substances 0.000 abstract description 4
- 230000007613 environmental effect Effects 0.000 abstract description 4
- 238000010276 construction Methods 0.000 abstract description 3
- 239000011398 Portland cement Substances 0.000 abstract 1
- 239000000654 additive Substances 0.000 abstract 1
- 230000000996 additive effect Effects 0.000 abstract 1
- 239000003518 caustics Substances 0.000 abstract 1
- 229910052602 gypsum Inorganic materials 0.000 abstract 1
- 239000010440 gypsum Substances 0.000 abstract 1
- 239000010802 sludge Substances 0.000 abstract 1
- JYIMWRSJCRRYNK-UHFFFAOYSA-N dialuminum;disodium;oxygen(2-);silicon(4+);hydrate Chemical compound O.[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[Na+].[Na+].[Al+3].[Al+3].[Si+4] JYIMWRSJCRRYNK-UHFFFAOYSA-N 0.000 description 25
- 239000000243 solution Substances 0.000 description 22
- 238000000227 grinding Methods 0.000 description 17
- 229910000503 Na-aluminosilicate Inorganic materials 0.000 description 15
- 239000000429 sodium aluminium silicate Substances 0.000 description 15
- 235000012217 sodium aluminium silicate Nutrition 0.000 description 15
- 239000000463 material Substances 0.000 description 13
- 238000002156 mixing Methods 0.000 description 11
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 10
- 235000011941 Tilia x europaea Nutrition 0.000 description 10
- 229910021536 Zeolite Inorganic materials 0.000 description 10
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 10
- 239000004571 lime Substances 0.000 description 10
- 238000004137 mechanical activation Methods 0.000 description 10
- 239000012047 saturated solution Substances 0.000 description 10
- 239000010457 zeolite Substances 0.000 description 10
- 238000002360 preparation method Methods 0.000 description 7
- 230000003213 activating effect Effects 0.000 description 5
- 230000006835 compression Effects 0.000 description 5
- 238000007906 compression Methods 0.000 description 5
- 230000032798 delamination Effects 0.000 description 5
- 229920006395 saturated elastomer Polymers 0.000 description 5
- -1 alkaline residue Substances 0.000 description 2
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 2
- 239000000920 calcium hydroxide Substances 0.000 description 2
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005284 excitation Effects 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 238000001354 calcination Methods 0.000 description 1
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical group [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000006477 desulfuration reaction Methods 0.000 description 1
- 230000023556 desulfurization Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 235000010755 mineral Nutrition 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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)
Abstract
The invention discloses recycled concrete commercial mortar which consists of the following components in percentage by weight: 15-25% of recycled concrete micro powder, 50-60% of recycled concrete fine aggregate, 7-10% of desulfurized gypsum, 10-15% of caustic sludge, 3-5% of washing slurry, 3-5% of portland cement clinker, 1-3% of aluminum slag and 0.5-1.5% of additive. The recycled concrete commercial mortar disclosed by the invention relieves the environmental protection stress on the urban construction, alkali production and power enterprises and the stress in lack of resources of building material enterprises, reduces the burden of waste discharge on enterprises, increases the income and improves the ecological environment.
Description
Technical field
The present invention relates to a kind of cement-based material, be specifically related to a kind of regeneration concrete commodity mortar.
Background technology
Discarded concrete is the solid waste that produces in the urban construction process, and recycled fine aggregate and regeneration concrete micro mist are the byproducts that adopts in the discarded concrete production recycled coarse aggregate process; Alkaline residue is that system alkali enterprise utilizes solvay soda process to produce the solid waste that produces in the soda ash process, is one of industrial residue; The aluminium slag is the waste that produces in the Aluminum Electrolysis Production process.Recycled fine aggregate and the present action oriented research of regeneration concrete micro mist are also immature, a large amount of discarded concretes, aluminium slag and alkaline residue, can not get for a long time reasonably handling and utilizing, cause bigger influence to surrounding environment, in addition, the electric power enterprise desulfurated plaster can not get effectively utilizing and modern demand to building resource grows with each passing day, and causes the environmental protection pressure of electric power enterprise and the pressure of building materials enterprise shortage of resources to can not get effective solution for a long time, and enterprise's waste discharge burden also can not get alleviating for a long time.
Summary of the invention
The present invention is directed to the above-mentioned deficiency of prior art: provide a kind of urban construction, system alkali and electric power enterprise environmental protection pressure and building materials enterprise shortage of resources pressure alleviated, realization alleviates enterprise's waste discharge burden, the regeneration concrete commodity mortar of increasing income and improving the ecological environment.
Technical solution of the present invention is as follows:
A kind of regeneration concrete commodity mortar, it is made up of following components in weight percentage: regeneration concrete micro mist 15 ~ 25 %; Regeneration concrete fine aggregate 50 ~ 60%; Desulfurated plaster 7 ~ 10%; Alkaline residue 10 ~ 15 %; Washing slurry 3 ~ 5%; Portland clinker 3 ~ 5%; Aluminium slag 1 ~ 3%; Admixture 0.5 ~ 1.5%.
As preferably, it is made up of following components in weight percentage: regeneration concrete micro mist 15 ~ 20 %; Regeneration concrete fine aggregate 50 ~ 55 %; Desulfurated plaster 7 ~ 9%; Alkaline residue 10 ~ 15 %; Washing slurry 3 ~ 5%; Portland clinker 3 ~ 5%; Aluminium slag 1 ~ 2%; Admixture 0.5 ~ 1.2%.
Described regeneration concrete micro mist is that the particle diameter that produces in the regeneration concrete coarse aggregate production process forms less than activated processing of 0.23mm pellet and ball milling, ball milling to specific surface area greater than 450mm
2/ kg.
Described regeneration concrete fine aggregate is the particle diameter 0.23mm ~ 4.75mm pellet that produces in the regeneration concrete coarse aggregate production process.
Described desulfurated plaster is the wet lithoexpulsium paste of power station flue gas desulfurization, and the sulphur trioxide quality percentage composition in the desulfurated plaster is greater than 38%.
Described admixture is one or more in water glass, sulplo-aluminate, the methyl cellulose ether.
Described aluminium slag is the solid waste in the Aluminum Electrolysis Production process, contains a certain amount of aluminium powder in the aluminium slag, and meeting water can expand, and has certain shrinkage-compensating effect, makes regeneration concrete commodity mortar of the present invention have certain microdilatancy characteristic.
Described alkaline residue utilizes solvay soda process to produce the solid waste that produces in the soda ash process for system alkali enterprise, and behind independent grinding, its fineness (specific surface area) is greater than 450 m
2The alkaline residue of/kg.
Described washing slurry is that iron and steel enterprise carries out the solid waste that the slag hot application is handled generation, and as the washing slurry that adopts Baosteel Usiminas waste residue to handle, washing slurry contains a large amount of calcium hydroxide, can improve the commodity mortar water-retentivity.
The present invention adopts desulfurated plaster and alkaline residue to excite the active mineral in the regeneration concrete micro mist to form, desulfurated plaster carries out sulplo-aluminate to the regeneration concrete micro mist and excites, Portland clinker, alkaline residue and washing slurry carry out alkali to the regeneration concrete micro mist and excite, and the main component of desulfurated plaster is terra alba CaSO
42H
2O can regard CaOSO as
32H
2O, in sulphur trioxide wherein, the quality percentage composition of sulphur trioxide is greater than 38% in the desulfurated plaster, and washing slurry contains a large amount of calcium hydroxide, can improve the commodity mortar workability.
The preparation method of regeneration concrete commodity mortar: according to regeneration concrete commodity mortar set of dispense ratio, at first with specific surface area greater than 450 m
2The regeneration concrete micro mist of/kg, alkaline residue and aluminium slag carried out mix grinding 10-15 minute, and then add desulfurated plaster and admixture carried out mechanically mixing 10-15 minute, form hydraulic cementing materials, mix promptly obtaining the regeneration concrete commodity mortar then with regeneration concrete fine aggregate and admixture.
The invention has the beneficial effects as follows:
1. the present invention is according to the characteristics separately of desulfurated plaster, washing slurry, aluminium slag and alkaline residue: desulfurated plaster has the sulplo-aluminate excitation to the regeneration concrete micro mist, washing slurry, alkaline residue have the alkali excitation to slag, and the aluminium slag makes the present invention have the microdilatancy effect.It is carried out compound use, and developing a kind of is raw-material novel commodity mortar---regeneration concrete commodity mortar with desulfurated plaster, regeneration concrete micro mist, alkaline residue, aluminium slag etc.; This type material is alleviated iron and steel enterprise, system alkali and electric power enterprise environmental protection pressure and building materials enterprise shortage of resources pressure, realizes alleviating enterprise's waste discharge burden, increases income and improves the ecological environment.
2. preparation method of the present invention is conventional physical mixed, regeneration concrete micro mist, regeneration concrete fine aggregate, desulfurated plaster, alkaline residue, washing slurry, Portland clinker, aluminium slag, admixture are mixed and get final product, do not need through calcination processing, non-exhaust emission, thereby have good environment compatibility.
3. regeneration concrete commodity mortar of the present invention has adjustable, advantages such as workability good, microdilatancy time of coagulation.
Embodiment
With specific embodiment the present invention is described in further details below, but the present invention not only is confined to following specific embodiment.
Embodiment one
Choose following components in weight percentage and prepare the regeneration concrete commodity mortar: regeneration concrete micro mist 15 %; Regeneration concrete fine aggregate 60%; Desulfurated plaster 7%; Alkaline residue 10%; Washing slurry 3%; Portland clinker 3%; Aluminium slag 1%; Admixture (water glass) 1%.
Described regeneration concrete micro mist is that the particle diameter that produces in the regeneration concrete coarse aggregate production process forms less than activated processing of 0.23mm pellet and ball milling, ball milling to specific surface area greater than 450mm
2/ kg.
The activating treatment process of described regeneration concrete micro mist, concrete steps comprise:
(1) be that mechanical mill mix less than the regeneration concrete micro mist of 0.23mm with the lime mechanical activation with particle diameter, wherein lime intermingled quantity be the mixture gross weight 5% ~ 15%, residue is for the regeneration concrete micro mist, at room temperature be ground to and obtain the powder of grinding fineness less than 0.075mm;
(2) powder behind step (1) mechanical activation is placed on soaks 18 ~ 30 hours in the sodium aluminosilicate solution, dry, reheat to 900 ~ 950 ℃, be incubated 2 ~ 5 hours, naturally cool to room temperature again;
(3) be 1:0.8 ~ 1.5 normal temperature mixed grindings with the weight ratio with cooled material of step (2) and slag micropowder, the specific surface area that is ground to mixture satisfies greater than 450mm2/kg;
Wherein, described sodium aluminosilicate solution is the sodium silicoaluminate saturated solution;
Described sodium silicoaluminate saturated solution is that mass percent is that 5 ~ 15% sodium aluminosilicate solutions and zeolite powder are mixed to the saturated mixing solutions of zeolite powder.
Regeneration concrete commodity mortar preparation method: according to regeneration concrete commodity mortar set of dispense ratio, at first with specific surface area greater than 450 m
2The regeneration concrete micro mist of/kg, alkaline residue and aluminium slag carried out mix grinding 10 minutes, and then add desulfurated plaster and admixture carried out mechanically mixing 10 minutes, form hydraulic cementing materials, mix promptly obtaining the regeneration concrete commodity mortar then with regeneration concrete fine aggregate and admixture.
The specific performance index:
48,28 days ultimate compression strength 16.0MPa of regeneration concrete commodity mortar delamination degree 19, denseness, 28 days folding strength 4.7 MPa, shrinking percentage 0.01%.
Embodiment two
Choose following components in weight percentage and prepare the regeneration concrete commodity mortar: regeneration concrete micro mist 15 %; Regeneration concrete fine aggregate 50 %; Desulfurated plaster 8%; Alkaline residue 15%; Washing slurry 4%; Portland clinker 4%; Aluminium slag 3%; Admixture (water glass and sulplo-aluminate one to one mixture) 1%.
Described regeneration concrete micro mist is forming less than activated processing of 0.23mm pellet and ball milling of producing in the regeneration concrete coarse aggregate production process, ball milling to specific surface area greater than 450mm
2/ kg.
The activating treatment process of described regeneration concrete micro mist, concrete steps comprise:
(1) be that mechanical mill mix less than the regeneration concrete micro mist of 0.23mm with the lime mechanical activation with particle diameter, wherein lime intermingled quantity be the mixture gross weight 5% ~ 15%, residue is for the regeneration concrete micro mist, at room temperature be ground to and obtain the powder of grinding fineness less than 0.075mm;
(2) powder behind step (1) mechanical activation is placed on soaks 18 ~ 30 hours in the sodium aluminosilicate solution, dry, reheat to 900 ~ 950 ℃, be incubated 2 ~ 5 hours, naturally cool to room temperature again;
(3) be 1:0.8 ~ 1.5 normal temperature mixed grindings with the weight ratio with cooled material of step (2) and slag micropowder, the specific surface area that is ground to mixture satisfies greater than 450mm2/kg;
Wherein, described sodium aluminosilicate solution is the sodium silicoaluminate saturated solution;
Described sodium silicoaluminate saturated solution is that mass percent is that 5 ~ 15% sodium aluminosilicate solutions and zeolite powder are mixed to the saturated mixing solutions of zeolite powder.
Regeneration concrete commodity mortar preparation method: according to regeneration concrete commodity mortar set of dispense ratio, at first with specific surface area greater than 450 m
2The regeneration concrete micro mist of/kg, alkaline residue and aluminium slag carried out mix grinding 15 minutes, and then add desulfurated plaster and admixture carried out mechanically mixing 15 minutes, form hydraulic cementing materials, mix promptly obtaining the regeneration concrete commodity mortar then with regeneration concrete fine aggregate and admixture.
The specific performance index:
Regeneration concrete commodity mortar delamination degree 20,47,28 days ultimate compression strength 23.0MPa of denseness, 28 days folding strengths 6,2MPa, shrinking percentage 0.007%.
Embodiment three
Choose following components in weight percentage and prepare the regeneration concrete commodity mortar: regeneration concrete micro mist 20 %; Regeneration concrete fine aggregate 52 %; Desulfurated plaster 10%; Alkaline residue 10 %; Washing slurry 3%; Portland clinker 3%; Aluminium slag 1.5%; Admixture (sulplo-aluminate) 0.5%.
Described regeneration concrete micro mist is forming less than activated processing of 0.23mm pellet and ball milling of producing in the regeneration concrete coarse aggregate production process, ball milling to specific surface area greater than 450mm
2/ kg.
The activating treatment process of described regeneration concrete micro mist, concrete steps comprise:
(1) be that mechanical mill mix less than the regeneration concrete micro mist of 0.23mm with the lime mechanical activation with particle diameter, wherein lime intermingled quantity be the mixture gross weight 5% ~ 15%, residue is for the regeneration concrete micro mist, at room temperature be ground to and obtain the powder of grinding fineness less than 0.075mm;
(2) powder behind step (1) mechanical activation is placed on soaks 18 ~ 30 hours in the sodium aluminosilicate solution, dry, reheat to 900 ~ 950 ℃, be incubated 2 ~ 5 hours, naturally cool to room temperature again;
(3) be 1:0.8 ~ 1.5 normal temperature mixed grindings with the weight ratio with cooled material of step (2) and slag micropowder, the specific surface area that is ground to mixture satisfies greater than 450mm2/kg;
Wherein, described sodium aluminosilicate solution is the sodium silicoaluminate saturated solution;
Described sodium silicoaluminate saturated solution is that mass percent is that 5 ~ 15% sodium aluminosilicate solutions and zeolite powder are mixed to the saturated mixing solutions of zeolite powder.
Regeneration concrete commodity mortar preparation method: according to regeneration concrete commodity mortar set of dispense ratio, at first with specific surface area greater than 450 m
2The regeneration concrete micro mist of/kg, alkaline residue and aluminium slag carried out mix grinding 10 minutes, and then add desulfurated plaster and admixture carried out mechanically mixing 10 minutes, form hydraulic cementing materials, mix promptly obtaining the regeneration concrete commodity mortar then with regeneration concrete fine aggregate and admixture.
The specific performance index:
43,28 days ultimate compression strength 33.0MPa of regeneration concrete commodity mortar delamination degree 17, denseness, 28 days folding strength 7.6 MPa, shrinking percentage 0.003%.
Embodiment four
Choose following components in weight percentage and prepare the regeneration concrete commodity mortar: regeneration concrete micro mist 25%; Regeneration concrete fine aggregate 50%; Desulfurated plaster 7%; Alkaline residue 10%; Washing slurry 3%; Portland clinker 3%; Aluminium slag 1.5%; Admixture (sulplo-aluminate) 0.5%.
Described regeneration concrete micro mist is forming less than activated processing of 0.23mm pellet and ball milling of producing in the regeneration concrete coarse aggregate production process, ball milling to specific surface area greater than 450mm
2/ kg.
The activating treatment process of described regeneration concrete micro mist, concrete steps comprise:
(1) be that mechanical mill mix less than the regeneration concrete micro mist of 0.23mm with the lime mechanical activation with particle diameter, wherein lime intermingled quantity be the mixture gross weight 5% ~ 15%, residue is for the regeneration concrete micro mist, at room temperature be ground to and obtain the powder of grinding fineness less than 0.075mm;
(2) powder behind step (1) mechanical activation is placed on soaks 18 ~ 30 hours in the sodium aluminosilicate solution, dry, reheat to 900 ~ 950 ℃, be incubated 2 ~ 5 hours, naturally cool to room temperature again;
(3) be 1:0.8 ~ 1.5 normal temperature mixed grindings with the weight ratio with cooled material of step (2) and slag micropowder, the specific surface area that is ground to mixture satisfies greater than 450mm2/kg;
Wherein, described sodium aluminosilicate solution is the sodium silicoaluminate saturated solution;
Described sodium silicoaluminate saturated solution is that mass percent is that 5 ~ 15% sodium aluminosilicate solutions and zeolite powder are mixed to the saturated mixing solutions of zeolite powder.
Regeneration concrete commodity mortar preparation method: according to regeneration concrete commodity mortar set of dispense ratio, at first with specific surface area greater than 450 m
2The regeneration concrete micro mist of/kg, alkaline residue and aluminium slag carried out mix grinding 10 minutes, and then add desulfurated plaster and admixture carried out mechanically mixing 10 minutes, form hydraulic cementing materials, mix promptly obtaining the regeneration concrete commodity mortar then with regeneration concrete fine aggregate and admixture.
The specific performance index:
46,28 days ultimate compression strength 19.0MPa of regeneration concrete commodity mortar delamination degree 18, denseness, 28 days folding strength 5.8 MPa, shrinking percentage 0.008%.
Embodiment five
Choose following components in weight percentage and prepare the regeneration concrete commodity mortar: regeneration concrete micro mist 15 %; Regeneration concrete fine aggregate 51%; Desulfurated plaster 9%; Alkaline residue 12 %; Washing slurry 5%; Portland clinker 5%; Aluminium slag 1.8%; Admixture (methyl cellulose ether) 1.2%.
Described regeneration concrete micro mist is forming less than activated processing of 0.23mm pellet and ball milling of producing in the regeneration concrete coarse aggregate production process, ball milling to specific surface area greater than 450mm
2/ kg.
The activating treatment process of described regeneration concrete micro mist, concrete steps comprise:
(1) be that mechanical mill mix less than the regeneration concrete micro mist of 0.23mm with the lime mechanical activation with particle diameter, wherein lime intermingled quantity be the mixture gross weight 5% ~ 15%, residue is for the regeneration concrete micro mist, at room temperature be ground to and obtain the powder of grinding fineness less than 0.075mm;
(2) powder behind step (1) mechanical activation is placed on soaks 18 ~ 30 hours in the sodium aluminosilicate solution, dry, reheat to 900 ~ 950 ℃, be incubated 2 ~ 5 hours, naturally cool to room temperature again;
(3) be 1:0.8 ~ 1.5 normal temperature mixed grindings with the weight ratio with cooled material of step (2) and slag micropowder, the specific surface area that is ground to mixture satisfies greater than 450mm2/kg;
Wherein, described sodium aluminosilicate solution is the sodium silicoaluminate saturated solution;
Described sodium silicoaluminate saturated solution is that mass percent is that 5 ~ 15% sodium aluminosilicate solutions and zeolite powder are mixed to the saturated mixing solutions of zeolite powder.
Regeneration concrete commodity mortar preparation method: according to regeneration concrete commodity mortar set of dispense ratio, at first with specific surface area greater than 450 m
2The regeneration concrete micro mist of/kg, alkaline residue and aluminium slag carried out mix grinding 10 minutes, and then add desulfurated plaster and admixture carried out mechanically mixing 10 minutes, form hydraulic cementing materials, mix promptly obtaining the regeneration concrete commodity mortar then with regeneration concrete fine aggregate and admixture.
The specific performance index:
45,28 days ultimate compression strength 20.0MPa of regeneration concrete commodity mortar delamination degree 21, denseness, 28 days folding strength 7.0 MPa, shrinking percentage 0.009%.
Claims (9)
1. regeneration concrete commodity mortar, it is characterized in that: it is made up of following components in weight percentage: regeneration concrete micro mist 15 ~ 25 %; Regeneration concrete fine aggregate 50 ~ 60%; Desulfurated plaster 7 ~ 10%; Alkaline residue 10 ~ 15 %; Washing slurry 3 ~ 5%; Portland clinker 3 ~ 5%; Aluminium slag 1 ~ 3%; Admixture 0.5 ~ 1.5%.
2. regeneration concrete commodity mortar according to claim 1 is characterized in that: it is made up of following components in weight percentage: regeneration concrete micro mist 15 ~ 20 %; Regeneration concrete fine aggregate 50 ~ 55 %; Desulfurated plaster 7 ~ 9%; Alkaline residue 10 ~ 15 %; Washing slurry 3 ~ 5%; Portland clinker 3 ~ 5%; Aluminium slag 1 ~ 2%; Admixture 0.5 ~ 1.2%.
3. regeneration concrete commodity mortar according to claim 1 and 2, it is characterized in that: described regeneration concrete micro mist is that the particle diameter that produces in the regeneration concrete coarse aggregate production process forms less than activated processing of 0.23mm pellet and ball milling, ball milling to specific surface area greater than 450mm
2/ kg.
4. regeneration concrete commodity mortar according to claim 1 and 2 is characterized in that: described regeneration concrete fine aggregate is the particle diameter 0.23mm ~ 4.75mm pellet that produces in the regeneration concrete coarse aggregate production process.
5. regeneration concrete commodity mortar according to claim 1 and 2 is characterized in that: described desulfurated plaster is the wet lithoexpulsium paste of power station wet process of FGD, and the sulphur trioxide quality percentage composition in the desulfurated plaster is greater than 38%.
6. regeneration concrete commodity mortar according to claim 1 and 2 is characterized in that: described admixture is one or more in water glass, sulplo-aluminate, the methyl cellulose ether.
7. regeneration concrete commodity mortar according to claim 1 and 2 is characterized in that: described aluminium slag is the solid waste in the Aluminum Electrolysis Production process.
8. regeneration concrete commodity mortar according to claim 1 and 2 is characterized in that: described alkaline residue utilizes solvay soda process to produce the solid waste that produces in the soda ash process for system alkali enterprise.
9. regeneration concrete commodity mortar according to claim 1 and 2 is characterized in that: described washing slurry is that iron and steel enterprise carries out the solid waste that the slag hot application is handled generation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310116671XA CN103214226A (en) | 2013-04-07 | 2013-04-07 | Recycled concrete commercial mortar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310116671XA CN103214226A (en) | 2013-04-07 | 2013-04-07 | Recycled concrete commercial mortar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103214226A true CN103214226A (en) | 2013-07-24 |
Family
ID=48812449
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310116671XA Pending CN103214226A (en) | 2013-04-07 | 2013-04-07 | Recycled concrete commercial mortar |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103214226A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103664035A (en) * | 2013-12-05 | 2014-03-26 | 浙江大学宁波理工学院 | Clinker-free slag-fly ash composite cement activator and preparation method thereof |
| CN103664071A (en) * | 2013-11-11 | 2014-03-26 | 宁波市鄞州创慧环保科技有限公司 | Self-insulation concrete |
| CN104072045A (en) * | 2014-07-08 | 2014-10-01 | 日照弗尔曼新材料科技有限公司 | High-silt-content concrete |
| CN104402351A (en) * | 2014-10-24 | 2015-03-11 | 南昌大学 | Novel regenerative masonry mortar and preparation method thereof |
| CN104402336A (en) * | 2014-10-30 | 2015-03-11 | 叶香菲 | Precast concrete slab prepared from waste concrete as aggregate |
| CN104446175A (en) * | 2014-10-30 | 2015-03-25 | 南昌大学 | Recycled high-performance concrete and preparation method thereof |
| CN104773975A (en) * | 2015-03-25 | 2015-07-15 | 汕头大学 | High content regenerated mineral aggregate/asphalt mixture and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101407390A (en) * | 2008-10-28 | 2009-04-15 | 浙江大学宁波理工学院 | Porous cement concrete using regenerative concrete aggregate |
| CN102515584A (en) * | 2011-11-21 | 2012-06-27 | 武汉理工大学 | Regenerated concrete and manufacturing method thereof |
| CN102992669A (en) * | 2012-11-28 | 2013-03-27 | 浙江大学宁波理工学院 | Method for activating waste concrete micro powder |
-
2013
- 2013-04-07 CN CN201310116671XA patent/CN103214226A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101407390A (en) * | 2008-10-28 | 2009-04-15 | 浙江大学宁波理工学院 | Porous cement concrete using regenerative concrete aggregate |
| CN102515584A (en) * | 2011-11-21 | 2012-06-27 | 武汉理工大学 | Regenerated concrete and manufacturing method thereof |
| CN102992669A (en) * | 2012-11-28 | 2013-03-27 | 浙江大学宁波理工学院 | Method for activating waste concrete micro powder |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103664071A (en) * | 2013-11-11 | 2014-03-26 | 宁波市鄞州创慧环保科技有限公司 | Self-insulation concrete |
| CN103664071B (en) * | 2013-11-11 | 2015-06-17 | 宁波市鄞州创慧环保科技有限公司 | Self-insulation concrete |
| CN103664035A (en) * | 2013-12-05 | 2014-03-26 | 浙江大学宁波理工学院 | Clinker-free slag-fly ash composite cement activator and preparation method thereof |
| CN103664035B (en) * | 2013-12-05 | 2015-11-18 | 浙江大学宁波理工学院 | No first-hand datum ore slag fly ash complex cement exciting agent and preparation method thereof |
| CN104072045A (en) * | 2014-07-08 | 2014-10-01 | 日照弗尔曼新材料科技有限公司 | High-silt-content concrete |
| CN104402351A (en) * | 2014-10-24 | 2015-03-11 | 南昌大学 | Novel regenerative masonry mortar and preparation method thereof |
| CN104402336A (en) * | 2014-10-30 | 2015-03-11 | 叶香菲 | Precast concrete slab prepared from waste concrete as aggregate |
| CN104446175A (en) * | 2014-10-30 | 2015-03-25 | 南昌大学 | Recycled high-performance concrete and preparation method thereof |
| CN104773975A (en) * | 2015-03-25 | 2015-07-15 | 汕头大学 | High content regenerated mineral aggregate/asphalt mixture and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101844882B (en) | Composite portland cement and preparation method thereof | |
| CN105565691B (en) | A kind of lead-zinc smelting slag-based geopolymer binder materials and preparation method thereof | |
| CN104193202B (en) | A kind of high-moisture-retention cement | |
| CN103964710B (en) | Method for producing geopolymer binding material by red mud and geopolymer binding material, and products | |
| CN103086618B (en) | Construction Waste Micropowder Consolidation Agent for Soil Consolidation | |
| CN103214226A (en) | Recycled concrete commercial mortar | |
| CN103241966B (en) | Clinker free regenerated slag micro-powder compound cement | |
| CN102899048B (en) | Desulfurization gypsum alkali slag soil stabilizer | |
| JP2016529200A (en) | Calcium sulfoaluminate composite binder | |
| CN102633461A (en) | Composite gel material and preparation method thereof | |
| CN105016634B (en) | A fast-hardening and early-strength phosphorus slag-based cementitious material and its preparation method | |
| CN101830682B (en) | Plastering mortar prepared by using construction wastes and phosphogypsum | |
| CN106866090B (en) | Cement-free desulfurized gypsum plastering mortar and preparation method thereof | |
| CN114988791B (en) | Flue grouting material doped with sulfur-rich lithium slag, and preparation method and application thereof | |
| CN106747190A (en) | A kind of early strength micro expansion type soil-solidified-agent and preparation method | |
| CN105110811A (en) | Aerated concrete manufactured by stone material waste and manufacturing method thereof | |
| CN102659328A (en) | Preparation method of modified regenerated cementing material | |
| CN116409948A (en) | Low-carbon composite cementing material based on regenerated micro powder, and preparation method and application thereof | |
| CN108218269B (en) | A kind of nickel-iron slag cementitious material and preparation process thereof | |
| EP2878585B1 (en) | Method for the manufacturing of cementitious C-S-H seeds | |
| CN105565693A (en) | Preparation method of composite gypsum cementing material | |
| CN107445498B (en) | A kind of preparation method of phosphogypsum-fly ash composite cementitious material | |
| CN101671153A (en) | Method for producing mine paste filling material with semi-dry processed desulfurization gypsum | |
| CN110255943B (en) | A kind of wet grinding barium residue admixture and its preparation method and application | |
| CN102643107B (en) | Calcination-free desulfurized gypsum-based ceramsite concrete perforated brick |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20130724 |