Autoclaved Aerated Concrete Plant Production Process

AAC,also the autoclaved aerated concrete. AAC block is a kind of building material recently used in high-rise buildings.The AAC Plant is designed to manufacture aerated concrete blocks, which provide great fire resistivity and compressive strength. The plant is able to make extreme light weight and large variety of sizes blocks and has excellent thermal insulation nature. Followings are the simple AAC plant production process.

Material Preparation

Lowest production costs due to highly efficient machines and technologies. This includes the material preparation with sand grinding mill, sand slurry silos as well as openers and refiners for cellulose.

Dosing and mixing / sheet production

Computerized smart dosing and mixing plant prepares a slurry which is further diluted and fed into the sieve cylinder sheeting machine. Thin layers are formed on 3 to 6 sieve cylinders and transferred onto a felt. The layers are accumulated around the forming roller until the preset thickness has been reached and the sheet can automatically be cut off.

Thickness control

The advanced self-adjusting sheet thickness control system ensures minimum thickness variations. This saves material (no overthickness) and reduces rejects (underthickness) which finally increases plant output and economy for ZG customers.


Full range of downstream machines including cutters for all purposes such as cutting and punching press, guillotine knife cutter, water jet cutter or just circular knife cutter.


The single sheet presses for corrugated or embossed roofing sheets or stack presses for high compressed flat sheets improve the sheet density and quality – an important factor for improved frost resistance.


ZBG provides excellent steam boiler and autoclaves that can be custom-designed for the product steam curing. ZBG’s automatic autoclave system allows easy control of the complex chemical process in the autoclave.

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