Preparation method of seawater corrosion resisting and acid resisting type slag micro-powder and cement baking-free bricks
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A technology of slag powder and unburned bricks, which is applied in the field of building materials
Inactive Publication Date: 2017-12-22
和县浙徽新型材料有限公司
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Although the research on slag micropowder has improved concrete properties such as strength, workability, and cohesion, it has never been improved
Method used
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specific Embodiment 1
[0037] A method for preparing non-fired bricks with seawater erosion-resistant acid-resistant slag powder and cement. Put the slag powder in the mixed liquid, stir, cook the mixed liquid at a high temperature of 300°C, filter it after 1 hour, take out the slag powder, mix it with the cement, and then Add 50% of the amount of water and continue to stir to obtain the mixture;
[0038] The adobe is obtained by vibrating the mixture, and the adobe is cured at room temperature to obtain a slag powder unburned brick;
[0039] Specific steps are as follows:
[0040] Take the modified epoxy resin and put it into the reaction kettle, stir and raise the temperature to 85°C, then dropwise add the mixed solution of acrylic acid, epichlorohydrin and hydroquinone, stir and react for 4-5 hours, and obtain the preform A;
[0041] Take talc powder and add it to the reaction kettle, heat to 130°C while stirring and vacuuming, and keep it warm for 1 hour; then cool to 80°C, add titanium dioxide...
Embodiment 2
[0069] Example 2: A method for preparing unfired bricks with seawater erosion-resistant acid-resistant slag powder and cement. Put the slag powder in the mixed solution, stir, cook the mixed solution at 300°C for 1 hour, filter, take out the slag powder, and mix with the cement Mix and stir, then add 50% of the water and continue to stir to obtain the mixture;
[0070] The adobe is obtained by vibrating the mixture, and the adobe is cured at room temperature to obtain a slag powder unburned brick;
[0071] Specific steps are as follows:
[0072] Take the modified epoxy resin and put it into the reaction kettle, stir and raise the temperature to 85°C, then dropwise add the mixed solution of acrylic acid, epichlorohydrin and hydroquinone, stir and react for 4-5 hours, and obtain the preform A;
[0073] Take talc powder and add it to the reaction kettle, heat to 130°C while stirring and vacuuming, and keep it warm for 1 hour; then cool to 80°C, add titanium dioxide dropwise to t...
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Abstract
The invention provides a preparation method of seawater corrosion resisting and acid resisting type slag micro-powder and cement baking-free bricks. The preparation method comprises the following steps: putting slag micro-powder into a mixed solution and stirring; steaming the mixed solution at high temprature of 300 DEG C for 1h; filtering and taking out the slag micro-powder; mixing the slag micro-powder with cement and stirring; adding 50 percent of water and continually stirring to obtain a mixture; vibrating and molding the mixture to obtain brick blanks; curing the brick blanks at room temperature to prepare the slag micro-powder baking-free bricks. The baking-free bricks prepared by mixing the slag micro-powder and the cement have the advantages that the comprehensive performance of the baking-free bricks is improved and the aims of reducing the production cost, saving energy and reducing emission are realized; once if the preparation method is applied to large-batch production of the baking-free bricks, very good economic benefits and social benefits are brought; meanwhile, rubber powder penetrates into the micro-powder so that materials are powerfully stuck when the baking-free bricks meet water at a later period and the whole strength of the bricks is greatly improved; meanwhile, the seawater corrosion resisting performance of cement concrete can be effectively improved, so that the seawater corrosion resisting and acid resisting type slag micro-powder and cement baking-free bricks are especially applicable to seawater resisting engineering.
Description
Technical field: [0001] The invention relates to a preparation method of an unfired brick made of seawater erosion-resistant acid-resistant slag micropowder and cement in the field of building materials. Background technique: [0002] The use of cement and concrete products can improve the construction efficiency of construction projects. After the concrete is poured, if the climate is hot and the air is dry, and the maintenance is not carried out in time, the moisture in the concrete will evaporate too quickly, forming a dehydration phenomenon, which will make the cement particles that have formed a gel It cannot be fully hydrated, cannot be converted into stable crystals, and lacks sufficient cohesive force, so that flakes or powders will fall off on the concrete surface. In addition, when the concrete does not have sufficient strength, premature evaporation of water will also cause Large shrinkage deformation occurs, and shrinkage cracks appear, which affects the durabili...
Claims
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Application Information
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