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Shandong Alin Machinery Co., Ltd
Add.: No. 4, Economic Development Zone, Liaocheng City, Shandong, China
Tel.:0086-15563598500 
Mobile:0086-13963008195
Email:
info@alingroupchina.com 
Http://www.alingroupchina.com 
Http://www.alinmachinery.com 

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Block Plant Introduction

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Product description

AAC Block Plant IntroAAC  


Areated concrete brick (light brick ) is the light and porous building construction material. It’s with advantages of light weight, thermal insulation, fireproof etc. It can be cut to various sides of bricks: 600×200×100, 80×80×180, 240×115×53, 600×200×125 and so on. They are popularly used in high buildings, walls and infrastructure projects.


Common concrete density is usually 1600-2400 kg/m3, but areated concrete are 500 kg/m3, 600 kg/m3, 700 kg/m3. The AAC block raw material are silicon material ( coal ash, sand, stone dust etc ). After making the raw material to small granules, they can be used directly for mixing with other materials. Mixing calcium material lime, cement, water to a special slop tank, then add the aluminum dust and additives. The aluminum dust and the special slop have a chemical reflect, producing hydrogen to make the concrete slop to expanding or swell, foam. Next, put them into the curing room to steam curing concrete cutting . At last, they will become the light AAC brick , the porous rate is 70-80%.

 

Light weight areated concrete density is usually 400-700 kg/m3 ( according the market in produce ), around 1/3 of clay brick and 1/5 of common concrete. The light brick can reduce more weight of the high building and the load of crossbeam of roof and pillars. It with high earthquake resistance and saving materials cost. It has many porous inside, the delivery heating coefficient is 0.9-0.22 w/(mk), equals to 1/4 or 1/5 of clay brick. It is best building materials in the world at present. The raw materials of AAC block are very cheap and save production cost, including coal ash, sand waste, mine material, coal stone, stone dust and other silicon materials.


Equipment: stocking raw materials, mixing, molding, forming, cutting, evaporating and curing, crane cramp, transporting etc.
1. Product weight is according to 600 kg/m3 to control.
2. Annually capacity 50000 M3 to 300,000 M3.
3. Set raw material proportion: cement 6.5%, raw lime 23%, fly ash 68%, gypsum 3%, aluminum  paste powder 350 g/M3.
4. Water and material rate 0.631
5. One mould green concrete body 2.88 M3
6. Casting slurry cycle time 5-6 minutes, cut cycle time 5 minutes.
7. Casting slurry temperature 38-42 degree
8. Body quiet stop: time is 1.5-2.5 hours, temperature 50-90 degree, after quiet stop body strength is 0.15-0.18 Mpa
9. Steam curing cycle time, come in and out autoclave about 0.5 hour, steam curing cycle time about is 6 hours/ 1.6 Mpa, total 6.5 hours.  

10. Capacity: from 50,000 cubic meter to 300,000 cubic meters per year.
11. Cement lime fly ash style aerated block raw material proportion:

 

Name

Unit

Cement Lime Fly Ash

Flash

%

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

Casting system

OC

36-40

Aluminum mixing time

S

30-40

12. Cement lime Sand style aerated block raw material proportion

Name

Unit

Cement Lime Sand

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

Casting system

OC

35-38

Aluminum mixing time

S

30-40

Reference: cement is 42.5 Portland or 42.5 common cement
Aluminum power paste calculate to use according to 600 kg/m3 
Remark: the accurate batching rate is adjustable according to the raw material locally.

Corresponding parameter set not found, please add it in property template of background
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