CN102424541A - Concrete accelerator and preparation method thereof - Google Patents
Concrete accelerator and preparation method thereof Download PDFInfo
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- CN102424541A CN102424541A CN2011102662277A CN201110266227A CN102424541A CN 102424541 A CN102424541 A CN 102424541A CN 2011102662277 A CN2011102662277 A CN 2011102662277A CN 201110266227 A CN201110266227 A CN 201110266227A CN 102424541 A CN102424541 A CN 102424541A
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Abstract
The invention provides a concrete accelerator, which comprises components of aluminum sulfate, magnesium fluoride, aluminum fluoride, alkamine compounds and water. A preparation method comprises the following steps of: dissolving the magnesium fluoride in the water; adding the alkamine compounds; and adding the aluminum sulfate with stirring, and dissolving to obtain the product. Compared with the prior art, the concrete accelerator has the advantages that: 1, the accelerator does not contain alkaline substances, and 28 days strength of concrete is hardly lost; 2, the product does not contain chloride ions, does not corrode steel bars, and can prolong the service life of a project; and 3, in the production process, the product is not required to be heated, the operation is simple and convenient, and the production cost is low.
Description
Technical field
The present invention relates to concrete admixture, specifically belong to Hardenfast of a kind of alkali-free chlorine-free and preparation method thereof.
Background technology
Sprayed concrete, snap cure when making it be ejected on the matrix must be used efficient accelerating chemicals according to conventional.The accelerating chemicals that uses at present is generally aluminic acid and receives, sodium hydroxide, Pottasium Hydroxide and some muriate etc.The accelerating chemicals of domestic production at present is this type of alkaline powdery or alkaline liquid accelerating agent, and these alkaline accelerating chemicalss in use make concrete suffer alkalescence and galvanic corrosion, and loss of strength in 28 days is bigger, and is poor to the flexibility of cement.Its corrodibility is prone to cause damage to operator's health simultaneously, and a lot of countries have limited or stopped using this type of alkaline accelerating chemicals.
Summary of the invention
The purpose of this invention is to provide a kind of alkali-free, no chlorine, liquid concrete accelerating chemicals and preparation method thereof.
A kind of Hardenfast provided by the invention, its components based on weight percentage: Tai-Ace S 150 45-50%, fluoridize magnalium 8-15%, alcamines organism 2-10%, water 30-40%;
Its preparation method: it is water-soluble to fluoridize magnalium earlier, adds the alcamines organism then, stirs down to add Tai-Ace S 150 again, is product after the dissolving.
Its preferred ingredient is by weight percentage: Tai-Ace S 150 47-50%, fluoridize magnalium 8-12%, alcamines organism 5-8%, water 30-35%.
Described alcamines organism is trolamine or tri-isopropanolamine.
Described Tai-Ace S 150 can replace with aluminum nitrate.
Compared with prior art, beneficial effect of the present invention: 1, accelerating chemicals alkali-free property material makes concrete almost free of losses of intensity in 28 days; 2, do not contain cl ions in the product, reinforcing bar is not had action of rust, can prolong the engineering life-span; 3, do not need heat energy in process of production, easy and simple to handle, production cost is low.
Embodiment
Embodiment 1
Claim water 30 grams, add 12 grams earlier and fluoridize the magnalium stirring and dissolving that add the trolamine of 8 grams again, the back that stirs adds 50 gram Tai-Ace S 150, gets final product until dissolving.
This product detects with standard cement, and the result is following
Embodiment 2
Claim water 32 grams, add 12 grams earlier and fluoridizes magnalium that stirring and dissolving adds the tri-isopropanolamine of 8 grams again, after stirring, the Tai-Ace S 150 that adds 48 grams while stirring gets final product until dissolving.
This product detects with standard cement, and the result is following:
Embodiment 3
Claim water 32 grams, add 12 grams earlier and fluoridizes magnalium that stirring and dissolving adds the trolamine of 8 grams again, after stirring, the aluminum nitrate that adds 48 grams while stirring gets final product until dissolving.
This product detects with standard cement, and the result is following:
Claims (4)
1. Hardenfast is characterised in that: its components based on weight percentage: Tai-Ace S 150 45-50%, fluoridize magnalium 8-15%, alcamines organism 2-10%, water 30-40%;
Its preparation method: it is water-soluble to fluoridize magnalium earlier, adds the alcamines organism then, stirs down to add Tai-Ace S 150 again, is product after the dissolving.
2. Hardenfast as claimed in claim 1 is characterised in that its components based on weight percentage: Tai-Ace S 150 47-50%, fluoridize magnalium 8-12%, alcamines organism 5-8%, water 30-35%.
3. according to claim 1 or claim 2 Hardenfast is characterized in that described alcamines organism is trolamine or tri-isopropanolamine.
4. according to claim 1 or claim 2 Hardenfast is characterized in that described Tai-Ace S 150 replaces with aluminum nitrate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102662277A CN102424541A (en) | 2011-09-08 | 2011-09-08 | Concrete accelerator and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102662277A CN102424541A (en) | 2011-09-08 | 2011-09-08 | Concrete accelerator and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102424541A true CN102424541A (en) | 2012-04-25 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011102662277A Pending CN102424541A (en) | 2011-09-08 | 2011-09-08 | Concrete accelerator and preparation method thereof |
Country Status (1)
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| CN (1) | CN102424541A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102718444A (en) * | 2012-06-20 | 2012-10-10 | 武汉大学 | Sprayed concrete for underground water-seal oil depot |
| CN102923988A (en) * | 2012-11-29 | 2013-02-13 | 北京冶建特种材料有限公司 | Liquid alkali-free chloride-free accelerating agent as well as methods for preparing and using same |
| CN107601944A (en) * | 2017-11-08 | 2018-01-19 | 赵前方 | A kind of alkali-free liquid accelerator |
| CN108996943A (en) * | 2018-08-02 | 2018-12-14 | 四川恒泽建材有限公司 | A kind of impervious high-strength alkali-free liquid accelerator and preparation method thereof |
| CN111087204A (en) * | 2019-12-31 | 2020-05-01 | 山西凯迪建材有限公司 | Mineral admixture ternary cementing material and preparation method thereof |
| CN112125558A (en) * | 2020-09-25 | 2020-12-25 | 北京厚德交通科技股份有限公司 | Alkali-free accelerator and preparation method and application thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102173630A (en) * | 2011-01-04 | 2011-09-07 | 昆明合起工贸有限公司 | High-performance chlorine-free alkali-free liquid accelerating agent |
-
2011
- 2011-09-08 CN CN2011102662277A patent/CN102424541A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102173630A (en) * | 2011-01-04 | 2011-09-07 | 昆明合起工贸有限公司 | High-performance chlorine-free alkali-free liquid accelerating agent |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102718444A (en) * | 2012-06-20 | 2012-10-10 | 武汉大学 | Sprayed concrete for underground water-seal oil depot |
| CN102923988A (en) * | 2012-11-29 | 2013-02-13 | 北京冶建特种材料有限公司 | Liquid alkali-free chloride-free accelerating agent as well as methods for preparing and using same |
| CN107601944A (en) * | 2017-11-08 | 2018-01-19 | 赵前方 | A kind of alkali-free liquid accelerator |
| CN108996943A (en) * | 2018-08-02 | 2018-12-14 | 四川恒泽建材有限公司 | A kind of impervious high-strength alkali-free liquid accelerator and preparation method thereof |
| CN108996943B (en) * | 2018-08-02 | 2021-08-10 | 四川恒泽建材有限公司 | Anti-permeability high-strength alkali-free liquid accelerator and preparation method thereof |
| CN111087204A (en) * | 2019-12-31 | 2020-05-01 | 山西凯迪建材有限公司 | Mineral admixture ternary cementing material and preparation method thereof |
| CN111087204B (en) * | 2019-12-31 | 2021-11-05 | 山西凯迪建材有限公司 | Mineral admixture ternary cementing material and preparation method thereof |
| CN112125558A (en) * | 2020-09-25 | 2020-12-25 | 北京厚德交通科技股份有限公司 | Alkali-free accelerator and preparation method and application thereof |
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| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20120425 |