CN106565165A - Method of producing building mortar from waste concrete - Google Patents
Method of producing building mortar from waste concrete Download PDFInfo
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- CN106565165A CN106565165A CN201610946566.2A CN201610946566A CN106565165A CN 106565165 A CN106565165 A CN 106565165A CN 201610946566 A CN201610946566 A CN 201610946566A CN 106565165 A CN106565165 A CN 106565165A
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- China
- Prior art keywords
- parts
- concrete
- diatomite
- fine powder
- mortar
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Classifications
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
Abstract
The invention discloses a method of producing building mortar from waste concrete, which includes the following steps: (S1) preparing raw materials including, in parts by weight, waste inorganic cementing material concrete, fine aggregate, water, fly ash, and diatomite, wherein required equipment includes: a biaxial crusher, a grinder, a material blender and a mortar stirrer; (S2) placing the waste inorganic cementing material concrete in the biaxial crusher to crush the concrete to prepare concrete fine powder A; (S3) placing the diatomite in the grinder to grind the diatomite to prepare diatomite fine powder; (S4) blending the fly ash and the diatomite fine powder fully in the material blender to obtain a mixture B; (S5) placing the fine powder A and the fine aggregate in the mortar stirrer and adding the mixture B to dry-mix the components; and (S6) when the components are uniformly dry-mixed, adding water and uniformly stirring the mixture into a paste, allowing the paste to stand for a while, and stirring the mixture again to obtain the building mortar. With the waste concrete as a raw material, the method achieves turning waste into resources and protects resources. The method is simple, employs easy-to-obtained raw materials, is low in cost, and can be applied widely.
Description
Technical field
The invention belongs to construction material production technical field, and in particular to one kind prepares building mortar using discarded concrete
Method.
Background technology
Building mortar is will to build block materials (brick, stone, building block) by laying bricks or stones to be bonded as overall mortar.It is by inorganic gel material
Material, fine aggregate and water, also mix some admixture compositions sometimes.With being continuously increased for architectural engineering, the application of building mortar
Also constantly increase, so that sediment resource is constantly exploited, cause the heavy damage of human ecology resource.Additionally, traditional
Lime paste can be added more than the preparation method of mortar, the pollution of environment, a kind of utilization proposed by the present invention are caused to a certain extent
Discarded concrete prepares the method for building mortar and can effectively solve the problem that the problems referred to above.
The content of the invention
Based on the technical problem that background technology is present, the present invention proposes one kind and prepares building mortar using discarded concrete
Method.
The method that a kind of utilization discarded concrete proposed by the present invention prepares building mortar, comprises the following steps：
S1, preparation raw material：Waste inorganic cementitious material concrete 30-50 parts, fine aggregate 10-18 parts, water 10-17
Part, flyash 5-9 parts and diatomite 5-8 parts；Device therefor：Twin-shaft crusher, grinder, batch mixer and mortar mixer；
S2, the waste inorganic cementitious material concrete in step S1 is placed in twin-shaft crusher, crushes 1-1.5h, obtain grain
Spend the concrete fine powder A for 0.5-4.5mm；
S3, the diatomite in step S1 is placed in grinder, grinds 15-30min, obtain diatomite fine powder；
S4, flyash and diatomite fine powder are placed in batch mixer, carry out being sufficiently mixed 8-15min, it is to be mixed uniform, obtain
Mixture B；
S5, concrete fine powder A and fine aggregate are placed in mortar mixer, add mixture B dry mixing 5-10min；
S6, after batch mixing dry mixing in S5 is uniform, add water stirring 5-10min, and uniform mixing slightly puts 3-5min into body of paste,
2-4min is again stirring for, is obtained final product.
Preferably, raw material is waste inorganic cementitious material concrete 35-45 parts, fine aggregate 12-15 in the S1
Part, water 12-15 parts, flyash 7-8 parts and diatomite 6-7 parts.
Preferably, raw material is 40 parts of waste inorganic cementitious material concrete, 15 parts of fine aggregate, water 14 in the S1
7 parts of part, 8 parts of flyash and diatomite.
Preferably, fine aggregate is cinder or slag in the S1.
Preferably, flyash and diatomite are admixture in the S1.
Preferably, the particle diameter of concrete fine powder A is 1-3mm in the S2.
Preferably, the amount of water and the ratio of batch mixing total amount is added to be 1 in the S6:5.
The present invention proposes a kind of method that utilization discarded concrete prepares building mortar, adopts discarded concrete for important
Raw material, discarded concrete is crushed, and prepared particle diameter meets the raw material of mortar requirement, is blended using flyash and diatomite
Material, to improve the service behaviour of building mortar, instead of the preparation method of traditional architecture mortar, be substituted originally with discarded concrete
Rare mortar raw materials for production, twice laid protects resource, and the plaster workability that the present invention is prepared is good, with good
Good intensity, viscosity, anti-compression properties, preparation method is simple, and raw material is easy to get, low cost, can obtain and extensively apply.
Specific embodiment
The present invention is made with reference to specific embodiment further explain.
Embodiment one
The method that a kind of utilization discarded concrete that the present embodiment is proposed prepares building mortar, comprises the following steps：
S1, preparation raw material：30 parts of waste inorganic cementitious material concrete, 10 parts of cinder, 10 parts of water, flyash 5
5 parts of part and diatomite；Device therefor：Twin-shaft crusher, grinder, batch mixer and mortar mixer；
S2, the waste inorganic cementitious material concrete in step S1 is placed in twin-shaft crusher, crushes 1h, obtaining granularity is
The concrete fine powder A of 2.5mm；
S3, the diatomite in step S1 is placed in grinder, grinds 18min, obtain diatomite fine powder；
S4, flyash and diatomite fine powder are placed in batch mixer, carry out being sufficiently mixed 9min, it is to be mixed uniform, obtain mixed
Compound B；
S5, concrete fine powder A and cinder are placed in mortar mixer, add mixture B dry mixing 6min；
S6, after batch mixing dry mixing in S5 is uniform, add water stirring 6min, and uniform mixing slightly puts 3min, stir again into body of paste
2min is mixed, is obtained final product.
Embodiment two
The method that a kind of utilization discarded concrete that the present embodiment is proposed prepares building mortar, comprises the following steps：
S1, preparation raw material：50 parts of waste inorganic cementitious material concrete, 18 parts of slag, 17 parts of water, flyash 9
8 parts of part and diatomite；Device therefor：Twin-shaft crusher, grinder, batch mixer and mortar mixer；
S2, the waste inorganic cementitious material concrete in step S1 is placed in twin-shaft crusher, crushes 1.2h, obtain granularity
For the concrete fine powder A of 4mm；
S3, the diatomite in step S1 is placed in grinder, grinds 30min, obtain diatomite fine powder；
S4, flyash and diatomite fine powder are placed in batch mixer, carry out being sufficiently mixed 15min, it is to be mixed uniform, obtain mixed
Compound B；
S5, concrete fine powder A and slag are placed in mortar mixer, add mixture B dry mixing 10min；
S6, after batch mixing dry mixing in S5 is uniform, add water stirring 10min, and uniform mixing slightly puts 5min, again into body of paste
Stirring 4min, obtains final product.
Embodiment three
The method that a kind of utilization discarded concrete that the present embodiment is proposed prepares building mortar, comprises the following steps：
S1, preparation raw material：40 parts of waste inorganic cementitious material concrete, 15 parts of cinder, 14 parts of water, flyash 8
7 parts of part and diatomite；Device therefor：Twin-shaft crusher, grinder, batch mixer and mortar mixer；
S2, the waste inorganic cementitious material concrete in step S1 is placed in twin-shaft crusher, crushes 1.4h, obtain granularity
For the concrete fine powder A of 3mm；
S3, the diatomite in step S1 is placed in grinder, grinds 28min, obtain diatomite fine powder；
S4, flyash and diatomite fine powder are placed in batch mixer, carry out being sufficiently mixed 14min, it is to be mixed uniform, obtain mixed
Compound B；
S5, concrete fine powder A and cinder are placed in mortar mixer, add mixture B dry mixing 9min；
S6, after batch mixing dry mixing in S5 is uniform, add water stirring 9min, and uniform mixing slightly puts 3min, stir again into body of paste
2min is mixed, is obtained final product.
Example IV
The method that a kind of utilization discarded concrete that the present embodiment is proposed prepares building mortar, comprises the following steps：
S1, preparation raw material：35 parts of waste inorganic cementitious material concrete, 16 parts of slag, 13 parts of water, flyash 7
7 parts of part and diatomite；Device therefor：Twin-shaft crusher, grinder, batch mixer and mortar mixer；
S2, the waste inorganic cementitious material concrete in step S1 is placed in twin-shaft crusher, crushes 1.3h, obtain granularity
For the concrete fine powder A of 2mm；
S3, the diatomite in step S1 is placed in grinder, grinds 25min, obtain diatomite fine powder；
S4, flyash and diatomite fine powder are placed in batch mixer, carry out being sufficiently mixed 12min, it is to be mixed uniform, obtain mixed
Compound B；
S5, concrete fine powder A and slag are placed in mortar mixer, add mixture B dry mixing 8min；
S6, after batch mixing dry mixing in S5 is uniform, add water stirring 8min, and uniform mixing slightly puts 4min, stir again into body of paste
3min is mixed, is obtained final product.
Embodiment five
The method that a kind of utilization discarded concrete that the present embodiment is proposed prepares building mortar, comprises the following steps：
S1, preparation raw material：45 parts of waste inorganic cementitious material concrete, 15 parts of cinder, 15 parts of water, flyash 7
8 parts of part and diatomite；Device therefor：Twin-shaft crusher, grinder, batch mixer and mortar mixer；
S2, the waste inorganic cementitious material concrete in step S1 is placed in twin-shaft crusher, crushes 1.5h, obtain granularity
For the concrete fine powder A of 1.5mm；
S3, the diatomite in step S1 is placed in grinder, grinds 20min, obtain diatomite fine powder；
S4, flyash and diatomite fine powder are placed in batch mixer, carry out being sufficiently mixed 10min, it is to be mixed uniform, obtain mixed
Compound B；
S5, concrete fine powder A and cinder are placed in mortar mixer, add mixture B dry mixing 7min；
S6, after batch mixing dry mixing in S5 is uniform, add water stirring 7min, and uniform mixing slightly puts 5min, stir again into body of paste
4min is mixed, is obtained final product.
The present invention proposes a kind of method that utilization discarded concrete prepares building mortar, adopts discarded concrete for important
Raw material, instead of originally rare mortar raw materials for production, and twice laid protects what the above-mentioned five kinds of embodiments of resource were prepared
Building mortar, service behaviour is good, and with good intensity, viscosity, anti-compression properties, the above-mentioned five kinds of embodiments of analysis contrast can
Know, when the weight ratio of waste inorganic cementitious material concrete, fine aggregate and admixture is 3:1:When 1, the building mortar prepared
Performance is optimal, i.e., the building mortar performance that embodiment five is prepared is optimal, and preparation method of the present invention is simple, and raw material is easy to get, cost
It is low, can obtain and extensively apply.
The above, the only present invention preferably specific embodiment, but protection scope of the present invention is not limited thereto,
Any those familiar with the art the invention discloses technical scope in, technology according to the present invention scheme and its
Inventive concept equivalent or change in addition, all should be included within the scope of the present invention.
Claims (7)
1. a kind of method that utilization discarded concrete prepares building mortar, it is characterised in that comprise the following steps：
S1, preparation raw material：Waste inorganic cementitious material concrete 30-50 parts, fine aggregate 10-18 parts, water 10-17 parts,
Flyash 5-9 parts and diatomite 5-8 parts；Device therefor：Twin-shaft crusher, grinder, batch mixer and mortar mixer；
S2, the waste inorganic cementitious material concrete in step S1 is placed in twin-shaft crusher, crushes 1-1.5h, obtaining granularity is
The concrete fine powder A of 0.5-4.5mm；
S3, the diatomite in step S1 is placed in grinder, grinds 15-30min, obtain diatomite fine powder；
S4, flyash and diatomite fine powder are placed in batch mixer, carry out being sufficiently mixed 8-15min, it is to be mixed uniform, must mix
Thing B；
S5, concrete fine powder A and fine aggregate are placed in mortar mixer, add mixture B dry mixing 5-10min；
S6, after batch mixing dry mixing in S5 is uniform, add water stirring 5-10min, and uniform mixing slightly puts 3-5min, again into body of paste
Stirring 2-4min, obtains final product.
2. the method that a kind of utilization discarded concrete according to claim 1 prepares building mortar, it is characterised in that described
Raw material is waste inorganic cementitious material concrete 35-45 parts, fine aggregate 12-15 parts, water 12-15 parts, flyash in S1
7-8 parts and diatomite 6-7 parts.
3. the method that a kind of utilization discarded concrete according to claim 1 prepares building mortar, it is characterised in that described
Raw material is 40 parts of waste inorganic cementitious material concrete, 15 parts of fine aggregate, 14 parts of water, 8 parts of flyash and diatom in S1
7 parts of soil.
4. the method that a kind of utilization discarded concrete according to claim 1 prepares building mortar, it is characterised in that described
Fine aggregate is cinder or slag in S1.
5. the method that a kind of utilization discarded concrete according to claim 1 prepares building mortar, it is characterised in that described
Flyash and diatomite are admixture in S1.
6. the method that a kind of utilization discarded concrete according to claim 1 prepares building mortar, it is characterised in that described
The particle diameter of concrete fine powder A is 1-3mm in S2.
7. the method that a kind of utilization discarded concrete according to claim 1 prepares building mortar, it is characterised in that described
The amount of water and the ratio of batch mixing total amount is added to be 1 in S6:5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610946566.2A CN106565165A (en) | 2016-11-02 | 2016-11-02 | Method of producing building mortar from waste concrete |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610946566.2A CN106565165A (en) | 2016-11-02 | 2016-11-02 | Method of producing building mortar from waste concrete |
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| CN106565165A true CN106565165A (en) | 2017-04-19 |
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| CN201610946566.2A Pending CN106565165A (en) | 2016-11-02 | 2016-11-02 | Method of producing building mortar from waste concrete |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112047684A (en) * | 2020-08-25 | 2020-12-08 | 佛山市广陆混凝土制品有限公司 | Corrosion-resistant anti-seepage concrete material and preparation method thereof |
| CN112661452A (en) * | 2020-12-30 | 2021-04-16 | 湖南大学 | Regenerated UHPC (ultra high performance polycarbonate) cement mortar and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1850701A (en) * | 2006-05-23 | 2006-10-25 | 武汉理工大学 | Environment-protective building waste-material dry-mixed sand slurry and its preparing method |
| CN101696100A (en) * | 2009-09-25 | 2010-04-21 | 北京艺高世纪科技股份有限公司 | High-performance base mortar |
| CN101857397A (en) * | 2009-04-10 | 2010-10-13 | 同济大学 | Method for preparing dry-mixed mortar from construction waste fine aggregate |
| CN101948280A (en) * | 2010-10-22 | 2011-01-19 | 山东建筑大学 | Method for preparing building mortar from waste concrete |
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2016
- 2016-11-02 CN CN201610946566.2A patent/CN106565165A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1850701A (en) * | 2006-05-23 | 2006-10-25 | 武汉理工大学 | Environment-protective building waste-material dry-mixed sand slurry and its preparing method |
| CN101857397A (en) * | 2009-04-10 | 2010-10-13 | 同济大学 | Method for preparing dry-mixed mortar from construction waste fine aggregate |
| CN101696100A (en) * | 2009-09-25 | 2010-04-21 | 北京艺高世纪科技股份有限公司 | High-performance base mortar |
| CN101948280A (en) * | 2010-10-22 | 2011-01-19 | 山东建筑大学 | Method for preparing building mortar from waste concrete |
Non-Patent Citations (1)
| Title |
|---|
| 伍勇华等主编: "《土木工程材料》", 29 February 2016, 武汉理工大学出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112047684A (en) * | 2020-08-25 | 2020-12-08 | 佛山市广陆混凝土制品有限公司 | Corrosion-resistant anti-seepage concrete material and preparation method thereof |
| CN112661452A (en) * | 2020-12-30 | 2021-04-16 | 湖南大学 | Regenerated UHPC (ultra high performance polycarbonate) cement mortar and preparation method thereof |
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Application publication date: 20170419 |
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