Aerated concrete and aerated silicate are types of cellular concrete, that is, building materials that are made on the basis of cement or lime and have a characteristic structure with tiny bubble cells. Such pores are filled with air, which increases the thermal insulation capabilities of the materials.
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It is the product of light porous silicate through the following processes: batching, mixing, pouring, hardening, cutting,
autoclaving and curing etc. Because of large amount of well-distributed tiny pores after foaming, it is named autoclaved aerated concrete. AAC Classification: In general, it can be classified according to the types of raw materials, manufacture process and functions.
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Guangxi Hongfa supplies complete set equipment of AAC block making machine AAC block wall panel production line AAC plant consult, supply annual capacity 50000 - 500000 m³ full automatic AAC brick production line
Please call 0086 18260911699 Jiffy, supply quotation for your reference
Hongfa Group support High precision, professional AAC blocks making machine, AAC block prodcution manufacturing equipment
Hongfa supply Intelligent and efficient autoclaved aerated concrete complete line system solution
Hongfa Committed to providing customers with high-quality services through advanced technological innovation and customized design concepts, strictly controlling product quality, and fulfilling service commitments. In order to ensure the flexibility, reliability and stability of each action of the equipment before leaving the factory, a factory debugging mechanism for single-machine equipment has been established. It is required that each piece of equipment must be fully assembled before leaving the factory after the partial assembly is completed, and electrical and hydraulic debugging must be carried out to ensure the performance of the product when it leaves the factory. At the same time, relevant adjustments are made to the planning scheme and process formula according to the customer's terrain and raw material conditions.
Based on the shape of AAC products, it can be divided into: AAC blocks and AAC panels. It is a revolutionary material offering an unique combination of high durability and strength, low weight, excellent heat insulation, fire resistant, noise absorption, unprecedented build ability and superior ecological green features. In China, AAC is one of the light wall materials which was popularized and applied at the earliest and the most widely.
daily capacity 100 cbm of Small AAC block plant Mini aac block plant Automatic Aac Block Machine (block acc production line construction material production line gas block autoclave equipment )
aac product line aac block plant automatic brick making machine simplified description of the production process
cement blocks with male female aac block machine interlocking brick machine aac block line gas block making molds autoclaves raw material preparation → batching and pouring → mesh care preparation for panel production line → reinforcement section for panel production → pre-curing and aerating → demoulding and cutting → grouping before autoclaving → autoclaving → packing section → warehouse and logistic
1. Raw material dealing
Put the fly ash or sand into the ball mill to mill via the conveyor belt, after milling, put the slurry into the slurry storage
tank by slurry pump.
2.Batching, mixing and pouring process
The lime, cement will convey by conveyor to the dry powder measure scale to scale separately. The slurry convey by slurry pump then to the automatic scale;the power and slurry put into the mixer,pouring into the mould.
3. Curing process
After slurry pouring into the mould, put the mould box into the curing room with 50~70ºC. After 2-3 hours curing, the blocks become soft solid and ready for cutting.
4.
Cutting process
Cutting size can be adjusted flexibly, with 0 broken rate.
5. Aerated autoclaved process
Finished cutting using semi-product crane carry to the front of autoclave grouped, hoisting machine or dragger will drag steam trolley into autoclave to steam,it need 6-10 hours.
6.
Finished block dealing process
After 6-10 hours, finished products come out of autoclave, with separting machine to separate blocks layer by layer.
7. Packing process
Using finished block carry hanger clamp the finished product to package line on wooden pallets,after package, then by forklift transport the finished products to piled yard according to specifications to stack.
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Autoclaved aerated concrete is based on the calcium silica hydration reaction. Apart from traditional sand, there are many types of solid waste that can be used to produce AAC, such as slag, tailings, ceramic tailings, etc. The most common solid waste is fly ash. Large amounts of fly ash are available and utilization of solid waste is important for environmental protection.
The main raw materials for the production of AAC block
1. Tailings raw materials produced by various metal mine mining, iron ore tailings, copper mine tailings, quartz stone tailings, etc.
2. Ceramic mud. Granite, marble mine tailings, and quarry tailings, etc.
3. Fly ash, slag, water slag, steel slag and other waste materials produced by various thermal power plants, heating companies and steel plants
4. Various power plants, phosphate mines, desulfurization gypsum, phosphogypsum and other ancillary waste produced
5. A large amount of construction waste, concrete fragments and other waste materials generated by urban demolition and road construction in various places
6. A large amount of waste residue and tailings generated by national road construction and tunnels, etc.
7. Natural sand and gravel
8. Fly ash, cement, water, shale and yellowstone tailings
Advantages of the AAC blocks application
1. Sound proof
AAC wall has an excellent sound Transmission class (STC) ,rating of 44. Result: Virtually Soundproof Interiors
2. Thermal Insulation
It has highest thermal rating in the industry….R30! Thus provides well insulated interiors, keeping out warm air in summer and cold air in winters. AAC reduces Air conditioning cost by 30%.
3. Earthquake Resistant
Earthquake forces on structure are proportional to the weight of the building, hence AAC shows excellent resistant to earthquake forces. Regions of high seismic activity like Japan exclusively use AAC.
4. Floor Space Area
Use of thinner blocks (6" instead of 9" exterior walls) because of its excellent water barrier & insulation properties leads to an increase in floor space area between 3-5%.
5. Cost saving
Being lightweight AAC drastically reduces the dead weight of building, resulting into reduction in steel (up to 27%) and cement (up to 20%) structural cost saving. Being 8 times the size of a clay brick, AAC wall construction involves 1/3 the joints, thus an overall
mortar saving up to 66%
Its automatic manufacturing process gives AAC an exceptional dimensional accuracy & smooth surfaces, eliminating need of three-coat plaster walls and allows for a final 6 mm skim coat (putty/POP).
6. Fire Resistant
Best in class fire rating of 4 hours. The melting point of AAC is over 1600 ºc, more than twice the typical temperature in a building fire of 650 ºc.
General specification
| Common specifications of block |
| Name |
Product grade |
specification:length* width* high mm |
| AAC High-precision block |
B04-A2.5 B05-A3.5 B06-A5.0 |
600*250*50 |
| 600*250*75 |
| 600*250*100 |
| 600*250*150 |
| 600*250*200 |
| 600*250*250 |
| 600*250*300 |
| AAC Ordinary block |
B04-A2.0 B05-A3.5 B06-A5.0 |
600*250*100 |
| 600*250*150 |
| 600*250*200 |
| 600*250*250 |
| 600*250*300 |
According to product strength and bulk density (weight per cubic meter), it is divided into different grades. Commonly used are: strength A3.5, bulk density B06. The higher the strength, the lighter the bulk density
Size deviation
| Main technical indicators of AAC block |
| items |
Technical performance index |
| Density level |
B03 |
B04 |
B05 |
B06 |
| Intensity level |
A1.0 |
A2.0 |
A2.5 |
A2.5 |
A3.5 |
A3.5 |
A5.0 |
| Compressive strength per cubic |
average value(More than or equal to MPA) |
1.2 |
2.0 |
2.5 |
2.5 |
3.5 |
3.5 |
5.0 |
| Minimum(More than or equal to MPA) |
1.0 |
1.6 |
2.0 |
2.0 |
2.8 |
2.8 |
4.0 |
| Average density (Less than or equal to kg/m³) |
300 |
425 |
400 |
525 |
500 |
625 |
600 |
| Dry thermal conductivity [w(m.k)] |
0.08 |
0.11 |
0.13 |
0.15 |
| Freezing resistance |
Quality loss rate (Less than or equal to %) |
5.0 |
| Strength after freezing(MPA) |
More than 80% of compressive strength per cubic |
| Drying shrinkage |
Standard (Less than or equal to mm/m) |
0.50 |
| Combustion performance |
Comply with GB8624-2012 Class A non-combustible |
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Hongfa Group is a proffessional manufacturer and supplier for different type equipment and production line, related products please have a look
1.concrete block making machine
2.EPS lightweight panel production line
3.AAC block production line
4.concrete batching production line
5.colorful roof tile /terrazzo tile / artificial stone machine
6.concrete pipe production line
7.artificial quartz slab production line
8.environmental protection equipment
9. Power station equipment
10. Mining equipment
11. Cement making equipment
12.fiber cement board/ calcium silicate board production line
13. Quicklime kiln production line
14. Terrazzo stone Inorganic terrazzo production line
15. prefab house precast concrete wall panel production line
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