Automatic Autoclaved Aerated Concrete Block Making Machine for Lightweight Wall Material

Product Description

WHAT IS AAC?
The AAC production process includes raw material preparation, batching and mixing, pouring, precuring, cutting, autoclaving, and packing. With decades of experience in serving the AAC blocks production machinery industry, we can supply customers with quality AAC block production lines with capacity ranging from 80,000m3 to 400,000m3 per year.
HOW TO START THE PROJECT?
KEDA SUREMAKER professional laboratory center will test the customer's raw materials to provide the formula design, we will also offer the customized plant layout and the related design documents. All the equipment will be debugged before the delivery. We'll also arrange professional project manager and engineers for site installation supervision and local training to ensure the successful production start-up.
In this industry, We have more than 20 years of experience. In 2018, our manager director gave technical speech on 6th International Conference on Autoclaved Aerated Concrete in German. Last year, we hosted the 39th annual meeting of China Aerated Concrete Association and the 2019 International Forum, which attracted more than 800 participants worldwide.

Parameter of the processes

Processes	Parameter
Mixing period	5-6 minutes
Pouring slurry temperature	40-45ºC
Cake curing time	2.5-3.0h
Cake curing temperature	45~55ºC
Cake strength after curing	0.15~0.18MPa
Autoclaved curing system before-after autoclave	0.5h
Vacuumize	0.5h(0~-0.06MPa)
Listing pressure	1.5h(-0.06~1.3MPa)
Constant pressure	8h(1.3MPa)
Releasing pressure	1.5h(1.3~0MPa)
total	12h

RAW MATERIALS
Siliceous materials : Sand / Fly ash / Tailings containing silicon / Ceramic waste
Calcareous material: Lime block + cement + gypsum
Others: Aluminum powder paste
CUTTING SYSTEM
Special cutting design : All the steel wire columns are fixed on two main oblique beams of cutting machine and each pair of the columns is used to fix only one steel wire , so that the horizontal cutting machine can avoid the settlement cracks problem in thin block and panel cutting , and achieve the minimum horizontal cutting thickness of 50mm block out of a whole mould. The integral swing frame of the vertical cutting machine can ensure the side plate replacement , the cutting action can be synchronized with ferry replacement. With automatic detection system . the broken wire can be timely detected.
PACKING SYSTEM
Automatic packing system can realize the automatic rotation stacking and splicing of blocks and realize the packing function with pallet or non-pallet. The stacking specification can realize 1.2m×0.6m\ 1.2m×1m\ 1.2m×12m\ 1m×0.6m multiple stacking , and the height of the stacking can be 1.2m, 1.5m , 1.8m and 2.4m.
AAC FINAL PRODUCTS
THE ADVANTAGES OF AAC:
1. Low density : Can be 325kg /m3
2. Good thermal insulating properties
3. Cost few time to build, saving time
4. Easy to operate , saving labor cost
5. Good performance of preventing fire
6. Good sound-insulation properties
7. Durable , anti-seismic , recyclable
Product classification is according to national standards GB/T 11968-2006 AAC block, also can be according to user's requirements to produce product with special specifications size.

Name	AAC block
Weight	300~600 Kg/m3(control led by formula)
After autoclave compressive strength	average value≥3.5MPa, Min. value<=2.8Mpa
Drying shrinkage value	Measured under condition of rapid method≤0.8mm/m;Measured under condition of standard method≤0.5mm/m
Frost-resistance	After the cycle of freezing and thawing for 15 times,weight loss≤ 5%, strength loss≤ 20%
Coefficient of thermal conductivity	≤0.14~0.16W/m.k

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