阅读说明：本技术 一种装配式预制构件混凝土表面专用增强剂 (Special reinforcing agent for concrete surface of prefabricated part ) 是由 王伟 龙威 于 2019-10-08 设计创作，主要内容包括：本发明公开了一种装配式预制构件混凝土表面专用增强剂,包括以下重量组份的原料：硅酸钠40-45％、铝硅酸钠40-45％、B2O3 1.0-4.0％、ZrO2 1.0-3.0％、Na2O 15.0-17.5％、K2O 0.1-2.7％、Li2O 0.5-2.0％、澄清剂0.1-1.5％、水55-60％。本发明中,该用于装配式预制构件混凝土表面专用增强剂,相比于目前市场上使用的传统型增强剂,将澄清剂、ZrO2、K2O等不同组份的材料复合使用来完善增强剂的应用性能,能快速渗透至混凝土内部,并且可渗透至混凝土表层下6-10mm,显著的增加了混凝土表面的密实性、抗压强度、硬度和耐磨性,提高了混凝土耐腐蚀、抗侵蚀的能力。(The invention discloses a special reinforcing agent for the concrete surface of an assembly type prefabricated part, which comprises the following raw materials in parts by weight: 40-45% of sodium silicate, 40-45% of sodium aluminosilicate, B2O31.0-4.0%, ZrO21.0-3.0%, 15.0-17.5% of Na2O15.0, 0.1-2.7% of K2O 0.1, 0.5-2.0% of Li2O0.5, 0.1-1.5% of clarifying agent and 55-60% of water. Compared with the traditional reinforcing agent used in the current market, the reinforcing agent special for the concrete surface of the prefabricated part disclosed by the invention has the advantages that materials of different components such as a clarifying agent, ZrO2 and K2O are compounded and used to improve the application performance of the reinforcing agent, the reinforcing agent can quickly permeate into the concrete and can permeate 6-10mm below the surface layer of the concrete, the compactness, compressive strength, hardness and wear resistance of the concrete surface are obviously improved, and the corrosion resistance and erosion resistance of the concrete are improved.)

1. The special reinforcing agent for the concrete surface of the prefabricated part is characterized by comprising the following raw materials in parts by weight: 40-45% of sodium silicate, 40-45% of sodium aluminosilicate, 78-4.0% of B2031.0, 21.0-3.0% of ZrO21, 15.0-17.5% of Na2O15.0, 0.1-2.7% of K2O 0.1, 0.5-2.0% of Li2O0.5, 0.1-1.5% of clarifying agent and 55-60% of water.

2. The concrete surface special reinforcing agent for the prefabricated parts according to claim 1, which is characterized by comprising the following raw materials in parts by weight: 41-44% of sodium silicate, 41-44% of sodium aluminosilicate, B2O32.0-3.0%, ZrO21.2-2.8%, 16.0-17.0% of Na2O 16.0, 0.2-2.5% of K2O0.2, 0.7-1.5% of Li2O 0.7, 0.2-1.4% of clarifying agent and 55-60% of water.

3. The concrete surface special reinforcing agent for the prefabricated parts according to claim 1, which is characterized by comprising the following raw materials in parts by weight: 40% of sodium silicate, 40% of sodium aluminosilicate, B2O31.0%, ZrO21.0%, Na2O15.0%, K2O 0.1.1%, Li2O 0.5.5%, 0.1% of clarifying agent and 55% of water.

4. The concrete surface special enhancer for prefabricated parts according to claims 1-3, wherein said sodium silicate is a water-soluble silicate, the aqueous solution of which is commonly called water glass, and is a mineral binder, the chemical formula of which is R2O. nSiO2, wherein R2O is alkali metal oxide, n is the ratio of the mole number of silica to that of alkali metal oxide, and is called the mole number of water glass, and the water glass commonly used in construction is the aqueous solution of sodium silicate.

5. The concrete surface special enhancer for the prefabricated parts according to the claims 1 to 3, wherein the clarifier is used for keeping or improving the transparency of transparent shampoo, and the clarifier is one or a mixture of ethanol, propylene glycol and fatty alcohol citric acid.

6. The concrete surface-dedicated reinforcing agent for prefabricated parts according to claims 1 to 3, wherein said ZrO2 is a white heavy amorphous powder, odorless, tasteless, slightly soluble in hydrochloric acid and nitric acid, slowly soluble in hydrofluoric acid, and hardly soluble in water.

7. The preparation method of the concrete surface special reinforcing agent for the prefabricated parts according to any one of claims 1 to 3, which is characterized by comprising the following steps of:

(1): weighing the raw materials in parts by weight;

(2): adding the weighed B2O3, ZrO2, Na2O, K2O, Li2O and water into a stirring tank, opening a stirrer, and stirring and mixing uniformly;

(3): adding the weighed sodium silicate and sodium aluminosilicate into the mixed solution prepared in the step (2), opening the stirrer in the stirring tank again, and stirring and mixing uniformly;

(4): and (4) adding the clarifying agent into the mixed solution prepared in the step (3), then opening the stirrer, and uniformly stirring and mixing to obtain the special concrete surface reinforcing agent for the formula prefabricated part.

Technical Field

The invention relates to the technical field of reinforcing agents, in particular to a reinforcing agent special for the concrete surface of an assembly type prefabricated part.

Background

The concrete surface reinforcing agent has extremely low surface tension, can quickly permeate into the concrete, can perform secondary reaction with cement hydration byproducts in the concrete such as calcium hydroxide to generate a large amount of silicon dioxide gel, and the gel can block capillary micropores in the concrete so as to increase the compactness, compressive strength, hardness and wear resistance of the concrete surface, generally improve the strength of the concrete by 15-30 percent, the concrete reinforcing agent is a latest generation permeable hardener material, contains specially selected high-activity fluorine titanium substances, is environment-friendly colorless transparent liquid, and is used by uniformly brushing the cleaned construction surface by using tools such as a spray gun, a brush, a roller and the like, if the concrete surface is quickly dried, secondary spraying or third spraying is performed, after brushing, water spraying maintenance is performed, and the maintenance time is generally 24-48 hours, .

The concrete surface reinforcing agent used in the current market has poor permeability, generally can only permeate concrete by 1-3mm, has poor permeation efficiency, and has poor protection capability on the concrete, so that the concrete has poor corrosion resistance and corrosion resistance, and the requirements of users cannot be met.

Disclosure of Invention

The invention aims to solve the defects in the prior art and provides a concrete surface special reinforcing agent for an assembly type prefabricated part and a preparation method thereof.

In order to achieve the purpose, the invention adopts the following technical scheme: the special concrete surface reinforcing agent for the prefabricated member comprises the following raw materials in parts by weight: 40-45% of sodium silicate, 40-45% of sodium aluminosilicate, B2O31.0-4.0%, ZrO21.0-3.0%, 15.0-17.5% of Na2O15.0, 0.1-2.7% of K2O 0.1, 0.5-2.0% of Li2O0.5, 0.1-1.5% of clarifying agent and 55-60% of water.

As a further description of the above technical solution:

the special reinforcing agent for the concrete surface of the prefabricated part comprises the following raw materials in parts by weight: 41-44% of sodium silicate, 41-44% of sodium aluminosilicate, B2O32.0-3.0% of ZrO21.2-2.8%, 16.0-17.0% of Na2O 16.0, K2O0.2-2.5%, 0.7-1.5% of Li2O 0.7, 0.2-1.4% of clarifying agent and 55-60% of water.

As a further description of the above technical solution:

the special reinforcing agent for the concrete surface of the prefabricated part comprises the following raw materials in parts by weight: 40% of sodium silicate, 40% of sodium aluminosilicate, B2O31.0%, ZrO21.0%, Na2O 15.0.0%, K2O 0.1%, Li2O 0.5.5%, 0.1% of clarifying agent and 55% of water.

As a further description of the above technical solution:

the sodium silicate is a water-soluble silicate, the water solution of the water-soluble silicate is commonly called water glass, the water glass is an ore binder, the chemical formula of the water glass is R2O. nSiO2, in the formula, R2O is alkali metal oxide, n is the ratio of the mole number of silicon dioxide to the mole number of the alkali metal oxide, and is called the mole number of the water glass, and the water glass commonly used in buildings is the water solution of the sodium silicate.

As a further description of the above technical solution:

the clarifying agent is used for keeping or improving the transparency of the transparent shampoo, and is formed by mixing one or more of ethanol, propylene glycol and fatty alcohol citric acid.

A preparation method of a special reinforcing agent for the concrete surface of an assembly type prefabricated part comprises the following specific steps:

(1): weighing the raw materials in parts by weight;

(2): adding the weighed B2O3, ZrO2, Na2O, K2O, Li2O and water into a stirring tank, opening a stirrer, and stirring and mixing uniformly;

(3): adding the weighed sodium silicate and sodium aluminosilicate into the mixed liquid prepared in the step (2), opening the stirrer in the stirring tank again, and stirring and mixing uniformly;

(4): and (4) adding the clarifying agent into the mixed solution prepared in the step (3), then opening the stirrer, and uniformly stirring and mixing to obtain the special concrete surface reinforcing agent for the formula prefabricated part.

Advantageous effects

The invention provides a special reinforcing agent for the concrete surface of an assembled prefabricated part and a preparation method thereof. The method has the following beneficial effects:

compared with the traditional reinforcing agent used in the current market, the reinforcing agent special for the concrete surface of the prefabricated part has the advantages that the application performance of the reinforcing agent is improved by compounding materials of different components such as a clarifying agent, ZrO2 and K2O, the reinforcing agent can quickly permeate into the concrete and can permeate to 6-10mm below the surface layer of the concrete, the compactness, the compressive strength, the hardness and the wear resistance of the concrete surface are obviously improved, and the corrosion resistance and the erosion resistance of the concrete are improved.

Detailed Description

The technical solutions in the embodiments of the present invention will be described below clearly and completely in connection with the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.