CN102786254A - Concrete pumping agent and application method - Google Patents
Concrete pumping agent and application method Download PDFInfo
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- CN102786254A CN102786254A CN2011101402037A CN201110140203A CN102786254A CN 102786254 A CN102786254 A CN 102786254A CN 2011101402037 A CN2011101402037 A CN 2011101402037A CN 201110140203 A CN201110140203 A CN 201110140203A CN 102786254 A CN102786254 A CN 102786254A
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- naphthalenesulfonic
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Abstract
The present invention relates to the field of building materials, and discloses a concrete pumping agent and an application method. The application method comprises: adding a beta-naphthalene sulfonate formaldehyde condensation compound, calcium lignosulphonate, and an air-entraining agent successively into concrete to induce a chemical reaction; and adding starch in the reaction mixture and stirring for a condensation reaction. The application of the method helps to improve the pumping property of the concrete, making the concrete maintain good liquidity and pumpability in a long time.
Description
Technical field
The present invention relates to building material field, relate in particular to a kind of concrete pump-feed agent and method of use.
Background technology
Concrete be a kind of by gelling material (like cement), water and aggregate etc. by suitable proportion preparation, stir a kind of artificial stone material of hardened forming through mixing.
Because concrete has abundant raw material, cheap, production technique is simple, and ultimate compression strength is high, good endurance, characteristics such as strength grade wide ranges.Thereby it is a kind of important material of industries such as the exploitation that is widely used in civil engineering work, shipbuilding, mechanical industry, ocean at present, geothermal engineering.
In concrete coagulation technology, the admixture that can improve the concrete mix pump-conveying property is called pumping agent.So-called pump-conveying property, be exactly concrete mix have can be smoothly through transport pipe, do not block, do not emanate, performance that visco-plasticity is good.
Present pumping agent exists concrete pumping not strong, in the process of using, causes concrete to keep flowability all not strong in the long period.
Summary of the invention
The embodiment of the invention first purpose is: a kind of concrete pump-feed agent is provided, and its application helps improving the pumping of cement concrete, makes it keep good mobility and pumpability in the long period.
The embodiment of the invention second purpose is: a kind of method of use of concrete pump-feed agent is provided, and its application helps improving the pumping of cement concrete, makes it keep good mobility and pumpability in the long period.
A kind of concrete pump-feed agent that the embodiment of the invention provides is characterized in that, is made up of beta-naphthalenesulfonic-acid formaldehyde condensation compound, calcium lignin sulphonate, air entrapment agent, starch, water.
Alternatively, the weight proportion of each component is following:
Beta-naphthalenesulfonic-acid formaldehyde condensation compound 20%-30%, calcium lignin sulphonate 6%-12%, air entrapment agent 0.1%-0.2%, starch 10%-25%, water 50%-65%.
Alternatively, said air entrapment agent is the SJ-2 air entrapment agent.
The method of use of a kind of concrete pump-feed agent that the embodiment of the invention provides comprises:
In concrete, add beta-naphthalenesulfonic-acid formaldehyde condensation compound, calcium lignin sulphonate, air entrapment agent generation chemical reaction successively;
In reactant, add starch, stir and carry out condensation reaction.
Alternatively, in concrete, add said beta-naphthalenesulfonic-acid formaldehyde condensation compound, calcium lignin sulphonate, air entrapment agent successively according to following weight proportion:
Go into beta-naphthalenesulfonic-acid formaldehyde condensation compound 20%-30%, calcium lignin sulphonate 6%-12%, air entrapment agent (SJ-2) 0.1%-0.2%, starch 10%-25% water 50%-65%;
In reactant, add and add said starch: starch 10%-25% according to following weight proportion.
The denominator of wherein said weight proportion is the gross weight of said beta-naphthalenesulfonic-acid formaldehyde condensation compound, calcium lignin sulphonate, air entrapment agent, starch.
Therefore; Use the technical scheme of the embodiment of the invention; Owing to include beta-naphthalenesulfonic-acid formaldehyde condensation compound and starch in the concrete pump-feed agent of present embodiment; But polymerization reaction take place when beta-naphthalenesulfonic-acid formaldehyde condensation compound and starch are mixing in the cement concrete when using can significantly improve mechanical property, serviceability and the endurance quality of cement concrete, thereby satisfy the particular requirement of different engineerings to cement concrete.It makes the pump-conveying property of cement concrete obtain improvement to the good dissemination of cement, has significant dispersive ability and diminishing and strengthens powerful early.
Need to prove, can adopt once past concrete to add above-mentioned pre-configured pumping agent in the present embodiment and also can use this pumping agent according to the signal that each embodiment provides.
Embodiment
To combine specific embodiment to specify the present invention below, be used for explaining the present invention in this illustrative examples of the present invention and explanation, but not as to qualification of the present invention.
Embodiment 1:
A kind of concrete pump-feed agent that present embodiment provides mainly is made up of beta-naphthalenesulfonic-acid formaldehyde condensation compound, calcium lignin sulphonate, air entrapment agent, starch, water.
When using can but be not limited to adopt following method of use:
Ratio in predetermined adds beta-naphthalenesulfonic-acid formaldehyde condensation compound, calcium lignin sulphonate, air entrapment agent, starch, water successively in cement concrete, make to react, and then, in reactant, adds starch in predetermined ratio, continues to stir and carries out condensation reaction.
Therefore; Owing to include beta-naphthalenesulfonic-acid formaldehyde condensation compound and starch in the concrete pump-feed agent of present embodiment; But polymerization reaction take place when beta-naphthalenesulfonic-acid formaldehyde condensation compound and starch are mixing in the cement concrete when using; Can significantly improve mechanical property, serviceability and the endurance quality of cement concrete, thereby satisfy of the particular requirement of different engineerings cement concrete.It makes the pump-conveying property of cement concrete obtain improvement to the good dissemination of cement, has significant dispersive ability and diminishing and strengthens powerful early.
Need to prove, can adopt once past concrete to add above-mentioned pre-configured pumping agent in the present embodiment and also can use this pumping agent according to the signal that each embodiment provides.
Embodiment 2:
The weight proportion of the pumping agent of present embodiment is following: beta-naphthalenesulfonic-acid formaldehyde condensation compound 20%, calcium lignin sulphonate 6%, air entrapment agent (SJ-2 air entrapment agent) 0.1%, starch 10%, water 50%.
Its method of use is following: add beta-naphthalenesulfonic-acid formaldehyde condensation compound 20% in proportion successively, and calcium lignin sulphonate 6%, air entrapment agent (SJ-2) 0.1%, water 50%-65% makes its reaction; And then in reactant, to add weight proportion in proportion be 10% starch, continues to stir and carry out condensation reaction.
Wherein the denominator of above-mentioned weight proportion is the gross weight of said beta-naphthalenesulfonic-acid formaldehyde condensation compound, calcium lignin sulphonate, air entrapment agent, starch.
Embodiment 3:
The weight proportion of the pumping agent of present embodiment is following: beta-naphthalenesulfonic-acid formaldehyde condensation compound 30%, calcium lignin sulphonate 12%, air entrapment agent 0.2%, starch 25%, water 65%.
Its method of use is following: add beta-naphthalenesulfonic-acid formaldehyde condensation compound 30% in proportion successively, and calcium lignin sulphonate 12%, air entrapment agent (SJ-2) 0.2%, 65% makes its reaction; And then in reactant, to add weight proportion in proportion be 25% starch, continues to stir and carry out condensation reaction.
Wherein the denominator of above-mentioned weight proportion is the gross weight of said beta-naphthalenesulfonic-acid formaldehyde condensation compound, calcium lignin sulphonate, air entrapment agent, starch.
Embodiment 4:
The proportioning of the pumping agent of present embodiment is following: beta-naphthalenesulfonic-acid formaldehyde condensation compound 25%, calcium lignin sulphonate 10%, air entrapment agent 0.15%, starch 20%, water 60%.
Its method of use is following: add beta-naphthalenesulfonic-acid formaldehyde condensation compound 25% in proportion successively, and calcium lignin sulphonate 10%, air entrapment agent (SJ-2) 0.15%, water 60% makes its reaction; And then in reactant, to add weight proportion in proportion be 20% starch, continues to stir and carry out condensation reaction.
Wherein the denominator of above-mentioned weight proportion is the gross weight of said beta-naphthalenesulfonic-acid formaldehyde condensation compound, calcium lignin sulphonate, air entrapment agent, starch.
More than the technical scheme that the embodiment of the invention provided has been carried out detailed introduction; Used concrete example among this paper the principle and the embodiment of the embodiment of the invention are set forth, the explanation of above embodiment only is applicable to the principle that helps to understand the embodiment of the invention; Simultaneously, for one of ordinary skill in the art, according to the embodiment of the invention, the part that on embodiment and range of application, all can change, in sum, this description should not be construed as limitation of the present invention.
Claims (5)
1. a concrete pump-feed agent is characterized in that, is made up of beta-naphthalenesulfonic-acid formaldehyde condensation compound, calcium lignin sulphonate, air entrapment agent, starch, water.
2. concrete pump-feed agent according to claim 1 is characterized in that, the weight proportion of each component is following:
Beta-naphthalenesulfonic-acid formaldehyde condensation compound 20%-30%, calcium lignin sulphonate 6%-12%, air entrapment agent 0.1%-0.2%, starch 10%-25%, water 50%-65%.
3. concrete pump-feed agent according to claim 1 and 2 is characterized in that,
Said air entrapment agent is the SJ-2 air entrapment agent.
4. the method for use of a concrete pump-feed agent is characterized in that, comprising:
In concrete, add beta-naphthalenesulfonic-acid formaldehyde condensation compound, calcium lignin sulphonate, air entrapment agent generation chemical reaction successively;
In reactant, add starch, stir and carry out condensation reaction.
5. the method for use of concrete pump-feed agent according to claim 4 is characterized in that, comprising:
In concrete, add said beta-naphthalenesulfonic-acid formaldehyde condensation compound, calcium lignin sulphonate, air entrapment agent successively according to following weight proportion:
Go into beta-naphthalenesulfonic-acid formaldehyde condensation compound 20%-30%, calcium lignin sulphonate 6%-12%, air entrapment agent (SJ-2) 0.1%-0.2%, starch 10%-25% water 50%-65%;
In reactant, add and add said starch: starch 10%-25% according to following weight proportion.
The denominator of wherein said weight proportion is the gross weight of said beta-naphthalenesulfonic-acid formaldehyde condensation compound, calcium lignin sulphonate, air entrapment agent, starch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101402037A CN102786254A (en) | 2011-05-16 | 2011-05-16 | Concrete pumping agent and application method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101402037A CN102786254A (en) | 2011-05-16 | 2011-05-16 | Concrete pumping agent and application method |
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| Publication Number | Publication Date |
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| CN102786254A true CN102786254A (en) | 2012-11-21 |
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| CN2011101402037A Pending CN102786254A (en) | 2011-05-16 | 2011-05-16 | Concrete pumping agent and application method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104926176A (en) * | 2015-06-05 | 2015-09-23 | 陕西友邦新材料科技有限公司 | Reinforcing composition for pumping aid, reinforcing pumping aid as well as preparation method and application thereof |
| CN105271910A (en) * | 2015-09-24 | 2016-01-27 | 滁州京安工贸有限责任公司 | Zero-chlorine and low-alkali concrete antifreeze and corrosion resistance pumping agent |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1548395A (en) * | 2003-05-21 | 2004-11-24 | 上海恒福科技发展有限公司 | Concrete pumping aid |
-
2011
- 2011-05-16 CN CN2011101402037A patent/CN102786254A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1548395A (en) * | 2003-05-21 | 2004-11-24 | 上海恒福科技发展有限公司 | Concrete pumping aid |
Non-Patent Citations (1)
| Title |
|---|
| 徐有恒: "《煤炭工业材料学》", 30 June 1990 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104926176A (en) * | 2015-06-05 | 2015-09-23 | 陕西友邦新材料科技有限公司 | Reinforcing composition for pumping aid, reinforcing pumping aid as well as preparation method and application thereof |
| CN104926176B (en) * | 2015-06-05 | 2017-08-08 | 陕西友邦新材料科技有限公司 | Enhancing composition, enhancing pumping admixture for pumping admixture and its preparation method and application |
| CN105271910A (en) * | 2015-09-24 | 2016-01-27 | 滁州京安工贸有限责任公司 | Zero-chlorine and low-alkali concrete antifreeze and corrosion resistance pumping agent |
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Application publication date: 20121121 |