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AAC block production line

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Introduction:

AAC is a kind of light cellular silicate products. Main material based on Silicon materials (sand, fly ash, gangue contains
silicon) and Calcium(cement and lime), mix with foaming agent (Aluminium powder), after batching, mixing,
pouring, pre-curing, cutting, steam (autoclaved), and other process, finally, get this light weight concrete products.

Classification:
AAC Classification: in general, it can be classified according to the types of raw materials, manufacture process and functions. Based on the shape of AAC products, it can be divided into: AAC blocks and AAC panels.

Advantage:
AAC 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.

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AAC block production line

  • Product Description
  • Main Features
  • Product Model
  • Application

First. Process flow diagram of AAC block production line


AAC block production line


1. Raw materials processing

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 casting
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.


AAC block production line


3. Curing
After slurry pouring into the mould, put the mould box into the curing room with 50~70℃. After 2-3 hours curing,the blocks become solid.


AAC block production line

4. Cutting 
Using reversal crane carry the mould and block to demould on cutting cart. The cutting cart will take the block to level cutting machine,vertical cutting ,two sides cutting,and remove the top waste material.


AAC block production line


5. Steaming 
Finished cutting using semi-product crane carry to the front of autoclavegrouped,hoisting machine or dragger will drag steam trolley into autoclave to steam,it need 10-12 hours.


AAC block production line


6. Finished block dealing
Finished product out of autoclave,with separting machine to separate layer by layer.


AAC block production line


7. Packing
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.


AAC block production line


Second. Raw material proportion of AAC block production line


1. Fly ash type


Name
Unit
Proportion
Fly ash
%
65-70
Cement
%
6-15
Lime
%
18-25
Gypsum
%
3-5
Aluminum powder paste (600kg/m³)
1/10000
8
Water & material rate

0.60-0.65
Curing temperature
36-40
Aluminum mixing time
S
30-40


2. Sand type


Name
Unit
Proportion
Sand
%
55-65
Cement
%
10-20
Lime
%
20-30
Gypsum
%
2-3
Aluminum powder paste (600kg/m³)
1/10000
8
Water & material rate

0.65-0.75
Curing temperature
35-38
Aluminum mixing time
S
30-40


Third. Packing and delivery of AAC block production line


1. General AAC block plant equipment transport with 40 HQ container.

2. Ball mill transport with 40 OT or  40 FR according the size.

3. Autoclave transport on deck of ship.

4. Cutting machine usually transport with 40 FR or on deck of ship.


Welceom to contact us for details.

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