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Fly ash aac plant

The major raw material Fly-Ash, an indispensable by-product of Thermal Power Plants, is an environmental threat across the globe. Power plants are facing an ever increasing challenge in the disposal of this polluting material.

  • Raw material: fly ash, sand ,or slag
  • Capacity:30,000-300,000m³

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The major raw material Fly-Ash, an indispensable by-product of Thermal Power Plants, is an environmental threat across the globe. Power plants are facing an ever increasing challenge in the disposal of this polluting material. This unit is proposed to manufacture AAC Bricks & Blocks by consuming the Fly-Ash as one of the prime raw material. Secondly, it also helps environment to save the invaluable top soil by not using them in brick making compared with conventional brick making.Thirdly, they need no burning. Thus, it further enhances their eco-friendly brand as the steam curing requires far less fuel compared to the backing for each cubic meter of bricks.

Introduction of Fly ash block Production Line

Fly ash aac block(brick) plant is a steam cured mix of fly ash, cement, lime, water and Aluminum powder.AAC is well suited for urban areas with high rise buildings and those with high temperature variations. Due to lower density, high rise buildings constructed using AAC require less steel and concrete for structural members. Requirement of mortar for laying AAC blocks is reduced due to less number of joints.

ZG's computerized dosing and mixing plant produces slurry finally and slurry is poured into a mould. The slurry in the mould rises and stiffens to build a cake with millions of tiny pores. Aluminum powder will be measured by manual, and added into aluminum mixer to be prepared to suspend the liquid one by one for each mould.The finished suspending liquid can be directly added into the casting mixer. The slurry temperature should arrive at the required process temperature before coasting. And mould will be moved to the bottom of the casting mixer by ferry car.

After pre-curing, the green block arrives at the required strength. Then the crane will take it to the cutting machine section. After removing the mould, the green block will be cut according to the required size. The green block after cutting will be moved to the curing trolley with the bottom plate by using crane to group in front of autoclave. The seven trolleys provide each autoclave with 14 pieces of green block.

The green block after grouping, will be moved into the autoclave by windlass for curing. After curing, the product will be pulled out of autoclave, and be sent to the store yard.

After unloading and sorting, the packing system immediately handles the whole range of AAC products. The capacity of ZG's aac plants usually ranges from 150 to 2000 m³/day (5.000 to 70.000 ft'/ day).

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