Alkali Resistant Brick Formulations

Alkali-activated geopolymer coating for steel reinforcement that combines enhanced corrosion protection with improved bonding performance. The coating, comprising fly ash, slag, and metakaolin as matrix, incorporates a performance additive that enhances its adhesion to steel. The additive includes a polymer powder, titanium dioxide, a silicone defoamer, and a water-reducing admixture. The coating is prepared through a controlled mixing process that balances the raw materials to achieve optimal performance. The resulting coating exhibits superior bonding to steel reinforcement compared to traditional organic coatings, while maintaining excellent corrosion protection properties.

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Alkali-activated binder comprising a blend of natural pozzolans and a controlled amount of high-quality slags, which provides enhanced strength and durability through the combination of natural pozzolans and high-quality slags. The binder contains a controlled proportion of natural pozzolans and high-quality slags, with the slags having an X-ray amorphous content below 50 wt.-% and free lime content from 1 to 10 wt.-%, and the natural pozzolans having an amorphous content of at least 30 wt.-%. The binder also contains an activator with a modulus of ≤ 3, specifically designed to facilitate rapid hydration and cross-linking in the presence of natural pozzolans. The binder can be used to manufacture high-performance precast concrete elements with improved mechanical properties compared to conventional alkali-activated binders.

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A high-strength light silica brick with improved thermal insulation and mechanical properties through a novel mineralizer system. The brick comprises a silica matrix containing 80% silica fine powder, 100% silica microsilica, and a specific mineralizer composition. The mineralizer, comprising a combination of silicon nitride, ferrous oxide, calcium oxide, and aluminum oxide, provides enhanced liquid phase formation during high-temperature firing, while its controlled decomposition generates a stable liquid phase that prevents cracking and promotes densification. The mineralizer also enables precise control over the firing process through its liquid phase formation. The resulting brick exhibits superior thermal insulation, mechanical strength, and thermal conductivity compared to conventional silica bricks.

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High-titanium heavy slag sodium water glass concrete with enhanced thermal resistance and acid resistance. The concrete combines high-titanium heavy slag sand, refractory mud, sodium water glass, and high-titanium heavy slag gravel in a specific weight ratio to achieve superior thermal stability and durability. The sodium water glass reacts with the refractory mud to form a stable hydration product, while the high-titanium heavy slag sand and gravel provide excellent mechanical strength. The resulting concrete exhibits exceptional thermal resistance up to 900°C and maintains mechanical properties at high temperatures, making it suitable for applications requiring both thermal and chemical resistance.

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High-alkali erosion-resistant clay bricks comprising a composition of clay, alumina, and phosphoric acid, wherein the clay component comprises 50% to 70% of the total weight, the alumina component comprises 20% to 40% of the total weight, and the phosphoric acid component comprises 5% to 15% of the total weight.

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A ceramic tile glaze that protects against acidic and alkaline environments while maintaining durability. The glaze comprises a balanced combination of porcelain, quartz, zirconium silicate, plant ash, zinc oxide, serpentine, kaolin, zirconia, and graphene, with specific ratios optimized for both acid and alkaline resistance. The formulation prevents chemical corrosion while maintaining mechanical strength and optical clarity, ensuring long-term performance and durability of the ceramic tile.

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Refractory concrete containing recycled glass for enhanced fire resistance in building construction. The composite concrete combines cement-based materials with recycled glass cullet particles, achieving improved thermal insulation and fire resistance compared to conventional green concrete bricks. The recycled glass particles, which undergo partial melting at elevated temperatures, significantly reduce thermal conductivity and enhance fire resistance. The composite cement matrix maintains its integrity while incorporating the glass particles, creating a durable and fire-resistant building material.

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High-strength alkali-resistant bricks prepared through a novel method that combines the use of acid leaching erbium slag, mixed stone slurry, and specific additives to enhance the brick's alkali resistance. The process involves pretreating the erbium slag with nitric acid to create a more stable iron oxide phase, followed by the incorporation of a precise blend of stone slurry, fine sand, triethanolamine, quicklime, and magnesium nitrate. This combination enables the production of bricks with significantly improved alkali resistance while maintaining their high strength and thermal stability.

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A method for producing high-temperature, heat-insulating, alkali-resistant bricks that combines the benefits of dual-functionality in rotary kiln applications. The bricks incorporate a dual-layer structure comprising a dense, high-temperature refractory core and a lightweight, porous working layer. The core is prepared through a unique process involving acid-leached manganese slag, acidified clay, refined light aggregate, quicklime, sodium lignosulfonate, and triethanolamine, while the working layer is produced through a ball mill process of acid-leached manganese slag mixed with stone slurry, porous fine sand, triethanolamine, quicklime, drill nitrate, and nickel nitrate. The core is pressed into a kiln mold, subjected to high-temperature drying and sintering, and then cooled. The working layer is applied to the core and fired at elevated temperatures. The resulting bricks combine the improved thermal insulation and fire resistance of the core with the lightweight, high-temperature performance of the working layer.

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High-strength alkali-resistant brick produced by using silica powder and preparation method thereof. The brick contains a binding agent of calcium lignosulfonate, which enhances the material's operating performance while reducing water content. The binding agent improves cracking resistance and contributes to improved kiln performance. The brick composition is optimized to achieve superior alkali resistance while maintaining high strength.

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High-strength alkali-resistant castable for cement kilns that combines enhanced corrosion resistance with improved mechanical properties. The castable incorporates silicon-rich electric ceramic flakes, high-silica glass fibers, and silicon nitride fibers, which synergistically enhance its resistance to corrosive substances while increasing its strength and durability.

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High-temperature resistant wall material produced by waste glass particles and cement, comprising waste glass particles, cement, ceramsite, sand, metakaolin, zinc stearate, calcium chloride, and water; its mass percentage Respectively: waste glass particles: 5.0~20.0%; cement: 20.0~45.0%; ceramsite: 40.0~65.0%; sand: 20.0~40.0; metakaolin: 2.0~10.0%; zinc stearate: 0.1~1.0% ; Calcium chloride: 0.2 ~2.0%; water: 10.0 ~35.0%.

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A novel binding agent for zeolite-like hydrated zeolites that combines the benefits of aluminosilicate alkali and calcium-based additives for enhanced mechanical properties and corrosion resistance. The binding agent, comprising a calcium-modified aluminosilicate alkaline, exhibits superior performance characteristics compared to traditional zeolites. The modified binding agent achieves its enhanced properties through the incorporation of a calcium-based additive that modifies the zeolite structure while maintaining the same oxide composition. This calcium-modified aluminosilicate alkaline binding agent enables the creation of zeolites with improved mechanical strength, thermal stability, and corrosion resistance under normal operating conditions.

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Ceramic aluminum alkali-resistant brick for dry process cement production, comprising a batch material comprising low alumina bauxite clinker, feldspar-aluminum oxide, calcined kaolin, Suzhou clay, and micro silica powder, with a binder comprising silica sol. The batch material is formulated to achieve a uniform composition and binder content for the brick.

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Anti-alkali insulation wear-resistant fire-resistant material and its preparation method, comprising a zeolite composite powder-based material that prevents alkali leaching and degradation in high-humidity environments. The material comprises zeolite-based powder that is combined with other refractory materials to create a composite that maintains its fire-resistant properties despite exposure to corrosive environments.

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A method for preparing acid-base high strength non-burning clay brick through a simplified and cost-effective process. The method involves a single-step processing sequence that eliminates the traditional multi-step firing process of conventional clay bricks. The raw materials are first mixed and processed in a single step, followed by a controlled firing process that produces bricks with improved mechanical properties, including enhanced strength, thermal insulation, and durability.

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High-performance acid-resistant fire-resistant insulation materials that achieve superior thermal stability and resistance to chemical attack. The materials exhibit enhanced refractory properties, including high temperature resistance without softening, and corrosion resistance against acidic and alkaline environments. These materials are particularly valuable for applications requiring high-temperature insulation in environments where conventional refractory materials are compromised by acid or alkaline exposure.

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An acid-resistant alkali-resistant clay comprising a unique blend of refractory materials, specifically combining 20-30% coke powder, 20-35% silicon carbide, 25-35% porcelain waste, 15-20% Guangxi mud, 4-8% baby powder, 3-5% boron carbide, 4-8% sodium fluoride, and 40-50% water glass. This composition provides superior thermal stability and resistance to chemical attack in high-temperature applications, making it suitable for cement kiln refractory brick masonry.

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A refractory brick comprising coal gangue, bauxite, fly ash, silica sand, and sulfuric acid pulp waste liquid, produced through a unique composition of 40-60% coal gangue, 30-50% bauxite, 2-15% fly ash, 0-15% silica sand, and 0-1% sulfuric acid pulp waste liquid. This composition provides exceptional thermal shock resistance, including both high-temperature quenching and rapid cooling properties, while maintaining excellent abrasion resistance. The composition enables the production of refractory bricks that meet the requirements of high-temperature applications, particularly in blast furnaces, while minimizing costs and environmental impact.

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Refractory brick for glass kilns with enhanced corrosion resistance, developed through a novel manufacturing process. The brick combines advanced refractory materials with a unique production method that incorporates a specialized ceramic coating process. This coating enhances the brick's resistance to chemical attack from the molten glass and its surroundings, while maintaining its thermal stability. The coating is applied through a controlled chemical reaction that forms a durable, glass-like layer on the brick surface. This proprietary coating provides superior corrosion protection while maintaining the brick's structural integrity.

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