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Autoclaved Aerated Concrete, universally abbreviated as AAC, is a lightweight, eco-friendly precast building material widely adopted in modern green construction. Compared with traditional clay bricks and ordinary concrete, AAC features outstanding thermal insulation, fire resistance and seismic performance. It is mainly divided into AAC blocks and AAC wall panels, and needs complete automated AAC production line equipment for standardized mass production. Nowadays, AAC has become the core preferred material for high-rise buildings, commercial complexes, residential communities and industrial factory buildings worldwide.
AAC is produced by mixing silica sand, lime, cement, gypsum and aluminum powder paste as core raw materials. After stirring, pouring, foaming, static curing, cutting and high-pressure steam autoclaving, it forms porous lightweight silicate building products. Its internal uniform tiny air pores endow AAC with multiple physical advantages that traditional building materials cannot match. It conforms to global energy-saving building standards and green building development trends.
The earliest aerated concrete technology originated in Europe in the early 20th century. In 1923, Germany successfully developed mature AAC production technology and realized industrial production. After World War II, due to the shortage of building materials and the demand for energy-saving reconstruction, AAC was rapidly popularized across Europe.
After the 1970s, AAC technology spread to Asia, North America and Oceania. With the acceleration of global urbanization and the promotion of environmental protection policies, AAC has gradually replaced traditional high-energy-consumption building materials, and the supporting AAC production line manufacturing industry has also developed rapidly and matured.
The whole AAC production process is fully automated and closed-loop. Raw materials are proportioned accurately by PLC intelligent system, mixed evenly and poured into molds for natural foaming and molding. After reaching the preset hardness through static pre-curing, the green body is cut into standard sizes by professional cutting equipment. Finally, finished AAC blocks and panels are formed after high-temperature and high-pressure autoclave curing, and then sorted, stacked and packaged for delivery.
1. Silica Sand: Main siliceous raw material, forming the main skeleton structure of AAC
2. Quick Lime: Provide alkaline reaction conditions, accelerate material hardening
3. Ordinary Portland Cement: Enhance overall structural strength and stability
4. Industrial Gypsum: Adjust curing time and improve product dimensional accuracy
5. Aluminum Powder Paste: Core foaming agent, form internal porous structure
6. Clean Industrial Water: Complete material mixing and chemical reaction
All raw materials are crushed, ground and screened to reach standard fineness, stored separately in sealed silos to avoid moisture and impurity mixing.
The intelligent batching system automatically weighs various raw materials according to fixed formulas, transports them to the mixer for full and uniform stirring to form qualified slurry.
The mixed slurry is quickly poured into fixed-size molds, and aluminum powder paste reacts chemically to make the slurry foam and expand naturally.
After pouring, the molds are sent to the static curing workshop for constant-temperature standing, so that the blank body reaches the cutting strength stably.
The solidified blank is demolded and sent to the cutting machine, which accurately cuts it into standard AAC blocks or wall panels of different specifications.
The cut semi-finished products enter the high-pressure autoclave, and complete high-temperature steam curing under stable pressure and temperature to form stable finished products.
Qualified finished products are sorted, stacked, wrapped and packaged by automatic equipment to complete the whole production process.
Used for primary crushing of bulk raw materials such as lime and silica sand, stable operation and high crushing efficiency.
Grind crushed raw materials into fine powder that meets production fineness standards, ensuring uniform material reaction.
Core mixing equipment, realize full mixing of various raw materials to ensure stable product quality.
Complete mold turning, demolding and workshop handling work, improving overall production turnover efficiency.
Multi-functional integrated cutting equipment, accurate size, neat incision, suitable for blocks and panels cutting.
Key curing equipment of the whole production line, high pressure resistance, large capacity, stable curing effect.
Separate closely arranged finished AAC products to avoid adhesion damage.
Automatic stacking and packaging, convenient transportation and on-site storage.
| Comparison Item | AAC Blocks | AAC Panels |
|---|---|---|
| Main Specification | 600*200*200mm etc. | 6000*600*100/150/200mm etc. |
| Construction Method | Manual masonry assembly | Direct hoisting and splicing |
| Construction Speed | Medium | Fast, save more than 50% working hours |
| Application Scene | Partition wall, infill wall, low-rise wall | High-rise exterior wall, interior wall, prefabricated building |
| Seismic Performance | Good | Excellent, more suitable for seismic zones |
Dry Density: 400-700 kg/m³, only 20%-30% of traditional concrete
Compressive Strength: 1.5-5.0 MPa, meet all civil and industrial building standards
Thermal Conductivity: 0.13-0.22 W/mK, excellent constant temperature effect
Fire Resistance: Minimum fire resistance time reaches 2 hours, thickened panel up to 6 hours
Standard Dimension: Support customized cutting of various sizes
Water Absorption: Low water absorption, strong anti-permeability
Residential Buildings: High-rise residential buildings, villas, apartment partition walls
Commercial Buildings: Shopping malls, office buildings, hotels, catering buildings
Industrial Buildings: Factory workshops, production workshops, storage warehouses
Public Facilities: Hospitals, schools, stadiums, government buildings
High-rise Projects: Super high-rise main building infill walls and partition walls
1. Lightweight: Greatly reduce building foundation load, lower overall construction cost
2. Fireproof: Non-combustible material, effectively block fire spread
3. Thermal insulation: Reduce air conditioning heating energy consumption, energy-saving and power-saving
4. Sound insulation: Effectively isolate indoor and outdoor noise, comfortable living environment
5. Earthquake resistance: Light weight and flexible structure, improve building seismic grade
6. Fast installation: Simplified construction process, shorten whole project cycle
7. Low maintenance: Stable physical property, no easy cracking and aging
8. Green building: No harmful substances, waste can be recycled
1. High automation: Whole line automatic operation, reduce manual intervention
2. Energy saving: Optimized heating and power consumption system, lower production cost
3. Lower labor: One production line only needs a small number of operators
4.Higher output: Stable continuous production, meet large-scale market order demand
Henan Ruichi Machinery is a professional manufacturer of AAC block and AAC panel production equipment, providing complete turnkey solutions from plant design, equipment manufacturing, installation, commissioning, operator training to after-sales service. With years of experience in the building materials industry, we help customers worldwide establish efficient, energy-saving and intelligent AAC production plants.
We support OEM customized equipment production, provide one-stop factory overall planning services, arrange professional engineers for on-site installation and commissioning, organize professional technical training, supply original spare parts all year round, and launch 24-hour online after-sales technical support.
150m³/day Small AAC Plant
300m³/day Standard AAC Plant
500m³/day Medium-sized AAC Plant
1000m³/day Large Automated AAC Plant
1500m³/day High-yield Intelligent AAC Plant
2000m³/day Super Large Full-automatic AAC Production Line
The global autoclaved aerated concrete market keeps steady growth year by year. Driven by carbon neutrality policy and prefabricated building development, emerging markets in Southeast Asia, Central Asia, Africa and South America have huge demand for AAC blocks, panels and full production lines. Investing in AAC manufacturing industry has stable profit space and long-term development prospect.
Q1: What is AAC?
AAC is porous lightweight steam-cured concrete, a new type of green energy-saving wall material.
Q2: How is autoclaved aerated concrete made?
Finished via raw material grinding, batching, mixing, casting, curing, cutting and autoclaving process.
Q3: What is AAC panel?
Large-size prefabricated AAC wall board for fast building construction.
Q4: AAC vs ordinary concrete?
AAC is lighter, better insulation, lower strength, used for partition and infill wall.
Q5: AAC vs red brick?
AAC is more eco-friendly, energy-saving, fireproof and seismic, gradually replacing clay brick.
Q6: How much does an AAC plant cost?
Cost depends on daily output, we provide free project budget and layout design.
Q7: Standard density of AAC block?
Mainstream density ranges from 500kg/m³ to 600kg/m³.
Q8: What is the common AAC production capacity?
500 cubic meters per day is the most popular model for global investors.
Q9: How long for AAC plant installation?
Medium scale line needs 90-120 days from equipment arrival to formal production.
Q10: How to choose reliable AAC plant supplier?
Choose factory with rich overseas projects, complete turnkey service and perfect after-sales support like Henan Ruichi.
If you plan to build AAC block factory or AAC panel production line, welcome to get free solution, equipment quotation and technical support anytime.
Henan Ruichi Machinery focuses on full set AAC block production line, AAC panel production line, AAC manufacturing equipment, AAC block making machine and automatic AAC production equipment. We are professional AAC plant manufacturer and supplier, offering AAC factory construction, installation guidance, technical training and long-term after-sales service worldwide.
