CN107915449A - A kind of dry-mixed masonry mortar and preparation method thereof - Google Patents
A kind of dry-mixed masonry mortar and preparation method thereof Download PDFInfo
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- CN107915449A CN107915449A CN201711337874.6A CN201711337874A CN107915449A CN 107915449 A CN107915449 A CN 107915449A CN 201711337874 A CN201711337874 A CN 201711337874A CN 107915449 A CN107915449 A CN 107915449A
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- dry
- masonry mortar
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- 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
- C04B28/04—Portland cements
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/20—Mortars, concrete or artificial stone characterised by specific physical values for the density
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention discloses a kind of dry-mixed common masonry mortar, belong to masonry mortar technical field, it includes the following components of mass percent：Portland cement 8%~19%, nickel slag sand 83%, flyash 0%~9%, water-reducing agent 0.08%~0.19%, water-retaining agent 0.022%~0.035%.The invention also discloses its preparation method.The present invention makes full use of trade waste nickel slag and flyash, the dry-mixed common masonry mortar of preparation have the characteristics that water retention property is good, cohesive force by force, good frost resistance, shrinking percentage is low, performance is stable, price is low.The fine particle later stage can participate in the hydration reaction of cement in the flyash and nickel slag sand of admixture, improve the later strength of dry-mixed common masonry mortar；The preparation method of the present invention, largely use industrial residue (nickel slag and flyash), the production cost of product is greatly lowered, and is prepared for dry-mixed common masonry mortar and the recycling of industrial residue, synthesization are using new approach is opened, possess good practicality.
Description
Technical field
The invention belongs to masonry mortar technical field, and in particular to a kind of dry-mixed common masonry mortar and preparation method thereof.
Background technology
Nickel slag is a kind of solid industrial waste residue produced in metallic nickel and nickel alloy smelting process, main component is silicon, iron,
Magnesium, calcium, aluminium, and contain the elements such as a small amount of copper, nickel, sulphur.
Increasing to the demand of metallic nickel with the development of China's stainless steel industry, the discharge capacity of nickel slag also increasingly increases
More, 6~16 tons of nickel slag will be produced by industrially often producing one ton of metallic nickel (being produced using Flash Smelting Furnace smelting process), if not fine
Ground is used, and does not only take up substantial amounts of soil, but also surrounding environment can be caused seriously to pollute, therefore effectively utilizes nickel
Slag can bring the double action of good economic benefit and environmental protection.
Dry-mixed masonry mortar, refers to gathering materials through dry screening process, cement and additive etc. by a certain percentage in specialty
Factory mixes, and adds water or supporting liquid to mix and stir the dry-mixed mixture used, dry-mixed block to scale in place to use
Build mortar becomes masonry by bulks such as brick, stone, building blocks in construction industry through building by laying bricks or stones, it plays bonding, pad and intermal force, is
The important component of masonry, application are extremely wide.
Dry-mixed masonry mortar is common, which to gather materials, natural siliceous sand and Machine-made Sand.Due to the shortage of natural siliceous sand resource,
High energy consumption when Machine-made Sand is exploited, the dust of generation is again big, serious along with being destroyed caused by the ecological environment surrounding, thus two
Its market price of person is higher and higher.
The content of the invention
Goal of the invention：It is an object of the invention to provide a kind of dry-mixed common masonry mortar, using nickel slag dry-mixed common
The application of masonry mortar, the dry-mixed common masonry mortar of substitution tradition gather materials (such as：Natural siliceous sand, Machine-made Sand etc.), this is dry-mixed
Common masonry mortar has the spies such as water retention property is good, cohesive force is strong, good frost resistance, shrinking percentage is low, performance is stable, price is low
Point, utilizes for the dry-mixed commonly recycling of the preparation of masonry mortar and nickel slag, synthesization and opens new approach；The present invention also public affairs
A kind of preparation method of dry-mixed common masonry mortar is opened.
Technical solution：For achieving the above object, the present invention adopts the following technical scheme that：
A kind of dry-mixed common masonry mortar, includes the following components of mass percent：Portland cement 8%~
19%th, nickel slag sand 83%, water-reducing agent 0.08%~0.19%, water-retaining agent 0.022%~0.035%.
Further include the flyash that mass percent is 0%~9%.
The Portland cement model PO42.5.
The nickel slag sand is to crush the solid industrial waste residue produced in metallic nickel and nickel alloy smelting process, screens out grain
Footpath is more than the particle of 2.50mm, obtains the nickel slag sand that modulus of fineness is 2.37.
The flyash is II grade of ash or I grade of ash.
The water-retaining agent is hydroxypropyl methyl cellulose, model TE-E150000.
The water-reducing agent is high performance water reducing agent of polyocarboxy acid, model PCA-300T.
A kind of preparation method of dry-mixed common masonry mortar, includes the following steps：
1) powders such as Portland cement, nickel slag sand, flyash, water-reducing agent, water-retaining agent are mixed in proportioning regulation ratio
Close, 5min is mixed in batch mixer, obtains dry mash mixture；
2) weigh dry mash mixture to pour into mortar mixer, the river water for adding tap water or cleaning pours into mortar stirring
In machine, start mixer and mix and stir, place, be further continued for mixing and stirring, the dry-mixed common masonry mortar stirred evenly mixes and stirs material；
3) denseness that dry-mixed common masonry mortar mixes and stirs material is measured, makes its consistometric value between 70~80mm, such as consistometric value
Not in this range, survey should weigh dry-mixed common masonry mortar again and mix and stir material, adjust amount of water make its consistometric value reach 70~
80mm；
4) above-mentioned consistometric value is reached into the dry-mixed common masonry mortars of 70~80mm and mixes and stirs material, by JGJ/T 70《Building mortar
Basic performance tests method standard》The apparent density of measure mortar, water retention, 2h denseness loss late, setting time, resistance to compression respectively
Intensity, frost resistance, shrinking percentage.
Inventive principle：Using the grain in the solid industrial waste residue (i.e. nickel slag) produced in metallic nickel and nickel alloy smelting process
Shape particle replaces gathering materials (natural siliceous sand or Machine-made Sand) and dry-mixed commonly built by laying bricks or stones to prepare in the dry-mixed common masonry mortar of tradition
Mortar, the dry-mixed common masonry mortar have water retention property is good, cohesive force is strong, good frost resistance, shrinking percentage is low, performance is stable,
The features such as price is low, new approach is opened for the dry-mixed common preparation of masonry mortar and the recycling of nickel slag.
Beneficial effect：Compared with prior art, a kind of dry-mixed common masonry mortar of the invention, makes full use of industrial waste
Thing nickel slag and flyash, prepare that water retentivity of mortar can good, cohesive force be strong, good frost resistance, shrinking percentage are low, performance is stablized, admixture
Flyash and nickel slag sand in the fine grained later stage can participate in the hydration reaction of cement, improve the later strength of mortar；The present invention
A kind of dry-mixed common masonry mortar preparation method, largely using industrial residue (nickel slag and flyash), product is produced into
Originally it is greatly reduced, is utilized for the dry-mixed commonly recycling of the preparation of masonry mortar and industrial residue, synthesization and open new way
Footpath, possesses good practicality.
Embodiment
Below in conjunction with embodiment, the present invention is described further.
As shown in table 1, a kind of dry-mixed common masonry mortar mortar, includes the following components of mass percent：Common silicic acid
Salt cement 8%~19%, nickel slag sand 83%, flyash 0%~9%, water-reducing agent 0.08%~0.19%, water-retaining agent 0.022%
~0.035%.
Portland cement model PO42.5.
Nickel slag sand is to crush the solid industrial waste residue produced in metallic nickel and nickel alloy smelting process, screens out particle diameter and is more than
The particle of 2.50mm, obtains the nickel slag sand that modulus of fineness is 2.37.
Flyash is II grade of ash or I grade of ash (commercially available).
Water-retaining agent is hydroxypropyl methyl cellulose, model TE-E150000 (producers：The friendly Chemical Co., Ltd. in Wuxi three).
Water-reducing agent is high performance water reducing agent of polyocarboxy acid, model PCA-300T (producers：The limited public affairs of Jiangsu Su Bote new materials
Department).
A kind of preparation method of dry-mixed common masonry mortar, includes the following steps：
1) powders such as Portland cement, nickel slag sand, flyash, water-reducing agent, water-retaining agent are mixed in proportioning regulation ratio
Close, 5min is mixed in batch mixer, obtains dry mash mixture；
2) weigh 10kg dry mash mixtures to pour into mortar mixer, the river water for measuring tap water or cleaning in proportion falls
Enter in mortar mixer, start mixer and mix and stir 5min, place 5~10min, be further continued for mixing and stirring 3min, stirred evenly
Dry-mixed common masonry mortar mixes and stirs material；
3) measure mortar mixes and stirs the denseness of material, makes its consistometric value between 70~80mm, such as consistometric value not in this range,
Survey should weigh dry mash mixture again, and adjustment amount of water makes its consistometric value reach 70~80mm；
4) above-mentioned consistometric value is reached into 70~80mm mortars and mixes and stirs material, by JGJ/T 70《Building mortar basic performance tests
Method standard》Measure respectively the apparent density of mortar, water retention, 2h denseness loss late, setting time, compression strength, frost resistance,
The performances such as shrinking percentage.
Embodiment 1
A kind of dry-mixed common masonry mortar, includes the following components of mass percent：Portland cement 8%, nickel slag
Sand 83%, flyash 9%, water-reducing agent 0.008%, water-retaining agent 0.035%.
Embodiment 2
A kind of dry-mixed common masonry mortar, includes the following components of mass percent：Portland cement 9%, nickel slag
Sand 83%, flyash 8%, water-reducing agent 0.009%, water-retaining agent 0.033%.
Embodiment 3
A kind of dry-mixed common masonry mortar, includes the following components of mass percent：Portland cement 10%, nickel slag
Sand 83%, flyash 7%, water-reducing agent 0.01%, water-retaining agent 0.030%.
Embodiment 4
A kind of dry-mixed common masonry mortar, includes the following components of mass percent：Portland cement 12.5%, nickel
Slag sand 83%, flyash 4.5%, water-reducing agent 0.013%, water-retaining agent 0.028%.
Embodiment 5
A kind of dry-mixed common masonry mortar, includes the following components of mass percent：Portland cement 14.5%, nickel
Slag sand 83%, flyash 2.5%, water-reducing agent 0.015%, water-retaining agent 0.026%.
Embodiment 6
A kind of dry-mixed common masonry mortar, includes the following components of mass percent：Portland cement 16.5%, nickel
Slag sand 83%, flyash 0.5%, water-reducing agent 0.017%, water-retaining agent 0.024%.
Embodiment 7
A kind of dry-mixed common masonry mortar, includes the following components of mass percent：Portland cement 18.9%, nickel
Slag sand 83%, flyash 0, water-reducing agent 0.019%, water-retaining agent 0.022%.
A kind of dry-mixed common masonry mortar Example formulations of table 1
As shown in table 1, a kind of preparation method of dry-mixed common masonry mortar, includes the following steps：
1) powders such as Portland cement, nickel slag sand, flyash, water-reducing agent, water-retaining agent are mixed in proportioning regulation ratio
Close, 5min is mixed in batch mixer, obtains dry mash mixture；
2) weigh 10kg dry mash mixtures to pour into mortar mixer, the river water for measuring tap water or cleaning in proportion falls
Enter in mortar mixer, start mixer and mix and stir 5min, place 5~10min, be further continued for mixing and stirring 3min, stirred evenly
Dry-mixed common masonry mortar mixes and stirs material；
3) measure mortar mixes and stirs the denseness of material, makes its consistometric value between 70~80mm, such as consistometric value not in this range,
Survey should weigh dry mash mixture again, and adjustment amount of water makes its consistometric value reach 70~80mm；
4) above-mentioned consistometric value is reached into 70~80mm mortars and mixes and stirs material, by JGJ/T 70《Building mortar basic performance tests
Method standard》Measure respectively the apparent density of mortar, water retention, 2h denseness loss late, setting time, compression strength, frost resistance,
The performances such as shrinking percentage.
Dry-mixed common masonry mortar the performance test results prepared by seven kinds of proportionings of the above are shown in Table 2.
A kind of dry-mixed common masonry mortar embodiment 1-7 performance tests of table 2
By 1~7 result of embodiment as it can be seen that the properties of the dry-mixed common masonry mortar prepared using the present invention are reached
《GB/T 25181-2010 premixing mortars》In respective strengths grade mortar M5, M7.5 in dry-mixed common masonry mortar, M10, M15,
M20, M25, M30 performance requirements, wherein water retention >=95%, far above the requirement of specification 88%；Freezing-thawing strength damage
Rate≤18.4%, far below the requirement of specification≤25%；Though 28d shrinking percentages are not required ,≤0.16%, and less than common
The requirement of plastering≤0.20%.Illustrate a kind of dry-mixed common masonry mortar prepared by this law have water retention property is good, cohesive force by force,
The features such as good frost resistance, shrinking percentage are low, performance is stablized, for the dry-mixed common preparation of masonry mortar and the resource of industrial residue
Change, synthesization possess good practicality using new approach is opened.
Claims (9)
- A kind of 1. dry-mixed common masonry mortar, it is characterised in that：Following components including mass percent：Portland cement 8%~19%, nickel slag sand 83%, water-reducing agent 0.08%~0.19%, water-retaining agent 0.022%~0.035%.
- 2. the dry-mixed common masonry mortar of one kind according to claim 1, it is characterised in that：Further including mass percent is 0%~9% flyash.
- 3. the dry-mixed common masonry mortar of one kind according to claim 1, it is characterised in that：The Portland cement Model PO42.5.
- 4. the dry-mixed common masonry mortar of one kind according to claim 1, it is characterised in that：The nickel slag sand is by metal The solid industrial waste residue produced in nickel and nickel alloy smelting process crushes, and screens out the particle that particle diameter is more than 2.50mm, obtains fineness Modulus is 2.37 nickel slag sand.
- 5. the dry-mixed common masonry mortar of one kind according to claim 1, it is characterised in that：The flyash is II grade of ash Or I grade of ash.
- 6. the dry-mixed common masonry mortar of one kind according to claim 1, it is characterised in that：The water-retaining agent is hydroxypropyl Methylcellulose, model TE-E150000.
- 7. the dry-mixed common masonry mortar of one kind according to claim 1, it is characterised in that：The water-reducing agent is polycarboxylic acids High-performance water reducing agent, model PCA-300T.
- A kind of 8. preparation method of dry-mixed common masonry mortar in claim 1~7 described in any one, it is characterised in that Include the following steps：1) by the powders such as Portland cement, nickel slag sand, flyash, water-reducing agent, water-retaining agent in proportioning regulation ratio in batch mixing Mixed in machine, obtain dry mash mixture；2) dry mash mixture is claimed to pour into mortar mixer, the river water for adding tap water or cleaning is poured into mortar mixer, Start mixer to mix and stir, place, be further continued for mixing and stirring, the dry-mixed common masonry mortar stirred evenly mixes and stirs material；3) denseness that dry-mixed common masonry mortar mixes and stirs material is measured, makes its consistometric value between 70~80mm, as consistometric value does not exist In the range of this, survey should weigh dry-mixed common masonry mortar again and mix and stir material, and adjustment amount of water makes its consistometric value reach 70~80mm；4) reach the dry-mixed common masonry mortars of 70~80mm to above-mentioned consistometric value and mix and stir material, respectively the apparent density of measure mortar, Water retention, 2h denseness loss late, setting time, compression strength, frost resistance, shrinking percentage.
- A kind of 9. preparation method of dry-mixed common masonry mortar according to claim 8, it is characterised in that：The mortar Mixer agitating vane rotating speed is 80 ± 4r/min；The drum speed is 60 ± 2r/min.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109503086A (en) * | 2018-12-29 | 2019-03-22 | 江苏洋河新城新材料有限责任公司 | A kind of wet mixing mortar using nickel sand and ardealite |
| CN111333401A (en) * | 2020-03-11 | 2020-06-26 | 江苏盐砼新材料科技有限公司 | Novel thin-layer plastering mortar and preparation method thereof |
| CN111454022A (en) * | 2020-05-06 | 2020-07-28 | 江苏启坤循环经济产业技术开发有限公司 | Method for preparing dry-mixed mortar by replacing natural sand with industrial waste residue nickel slag |
| CN111548064A (en) * | 2020-05-12 | 2020-08-18 | 江苏启坤循环经济产业技术开发有限公司 | Method for preparing wet mixed mortar by using waste residue nickel slag |
| CN115519670A (en) * | 2022-10-20 | 2022-12-27 | 大庆长垣能源科技有限公司 | Preparation process of tough-elastic cement slurry for gas storage well cementation |
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| CN109503086A (en) * | 2018-12-29 | 2019-03-22 | 江苏洋河新城新材料有限责任公司 | A kind of wet mixing mortar using nickel sand and ardealite |
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| CN111333401A (en) * | 2020-03-11 | 2020-06-26 | 江苏盐砼新材料科技有限公司 | Novel thin-layer plastering mortar and preparation method thereof |
| CN111454022A (en) * | 2020-05-06 | 2020-07-28 | 江苏启坤循环经济产业技术开发有限公司 | Method for preparing dry-mixed mortar by replacing natural sand with industrial waste residue nickel slag |
| CN111548064A (en) * | 2020-05-12 | 2020-08-18 | 江苏启坤循环经济产业技术开发有限公司 | Method for preparing wet mixed mortar by using waste residue nickel slag |
| CN115519670A (en) * | 2022-10-20 | 2022-12-27 | 大庆长垣能源科技有限公司 | Preparation process of tough-elastic cement slurry for gas storage well cementation |
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| Publication number | Publication date |
|---|---|
| CN107915449B (en) | 2020-09-29 |
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