Aerated block brick production raw materials and formula analysis
First, the composition of the raw material formula for aerated block bricks
The main raw material composition:
Aerated block brick production raw materials mainly include the following categories:
Basic raw materials:
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Fly ash
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River sand / mechanism sand
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Stone powder
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Cement
Functional additives:
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Foaming agent
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Foam stabilizer
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Early Strengthening Agent
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Water reducing agent
Special raw materials (special for autoclaved aerated blocks)
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Lime
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Aluminum powder paste
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Gypsum
B. Characterization of various types of raw materials
1. Fly ash
Characteristics:
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Derived from the flue gas capture of fine ash after coal sintering
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Abundant resources in China, low price
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Contains a large number of active ingredients
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Can be utilized twice
Application value:
It has important application value in the fields of building materials, concrete and chemical industry, and is an important raw material for the production of aerated block bricks.
2. Sand raw materials
River sand:
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Rock particles formed under natural conditions
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The particle size is below 5mm
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Including river sand, lake sand, sea sand and mountain sand.
Status and Challenges:
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Large gap in market demand
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Environmental protection restricts mining
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Limited stock and long recovery cycle
Solution:
Mechanized sand, as a substitute for river sand, has the advantages of low cost, easy production and superior quality, and is supported by the policy.
3. Industrial waste utilization
Available industrial wastes:
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Tailings slag
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Metallurgical slag
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Coal gangue
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Desulfurization gypsum
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Red mud
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Phosphorus gypsum
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Stone processing sludge
Technology maturity:
The production of environmentally friendly building materials after harmless treatment of industrial waste has become a mature industry, and has been applied for many years in foreign countries.
Third, raw material quality control points
Key control indicators:
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Stability of performance indicators: directly affect product quality
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Raw material ratio accuracy: to ensure stable product performance
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Impurity content control: to ensure product quality
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Active ingredient content: affect the development of product strength
Screening principle:
Careful screening of raw materials is a prerequisite for ensuring the quality of aerated bricks.
Fourth, innovative production process and technology
Technological Advantage:
Our aerated block equipment adopts German advanced technology and equipment, with the following characteristics:
Wide adaptability of raw materials:
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Fly ash
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river sand
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Slag
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Slag
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Tailings sand
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Stone powder, etc.
Significant environmental benefits:
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Comprehensive utilization of power plant waste fly ash, desulfurization gypsum, etc.
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Reduce the environmental pollution of fly ash
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Realize the recycling of resources
V. Product Performance Characteristics
Excellent characteristics:
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Environmental protection and energy saving: utilization of industrial waste, green production
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Light weight and heat preservation: small density, good heat preservation performance.
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High strength: compressive strength to meet the requirements of use
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Convenient construction: regular size, high masonry efficiency
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Strong functionality: excellent performance in sound insulation, fire prevention, etc.
Scope of application:
Widely used in a variety of engineering projects, especially in energy saving, green environmental protection play an important role.
Sixth, production formula optimization recommendations
Formulation design principles:
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Local materials: prioritize the selection of local abundant raw materials
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Cost optimization: reduce costs under the premise of quality assurance
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Performance balance: taking into account the strength and thermal insulation and other performance requirements
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Environmental priority: maximize the use of industrial waste
Formulation adjustment factors:
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Differences in raw material characteristics
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Seasonal climate change
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Equipment and process conditions
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Product specification requirements
VII. Quality Assurance System
Whole process quality control:
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Raw material inspection: strictly control the quality of incoming raw materials.
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Formula management: scientific proportioning, precise measurement
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Process control: optimize production process parameters
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Finished product inspection: strict implementation of product inspection standards
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Continuous improvement: optimize the formula according to the feedback
VIII. Future Development Trends
Technology development direction:
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Diversification of raw materials: develop more ways to utilize industrial wastes.
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Scientific formula: optimize formula design based on big data.
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Intelligent production: realize automatic and intelligent production.
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Product differentiation: the development of specialized, functional products
Market Prospect:
With the improvement of people's awareness of environmental protection and the enhancement of building quality requirements, the market demand for aerated bricks will continue to grow, and the development prospects are broad.
The scientific selection and optimization of the raw material formula for the production of aerated bricks is the key to ensure product quality and market competitiveness. By making full use of all kinds of industrial wastes, not only can we reduce the production cost, but also contribute to environmental protection and realize the win-win situation of economic and environmental benefits.
Our company has been focusing on the research and development of new wall materials for many years, introducing advanced technology and equipment from Germany, and is committed to providing customers with high-quality aerated block production equipment and technical support. We welcome interested investors to contact us to jointly promote the innovative development of green building materials.