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Contact:Jerry Gao
Email:buildingmachines@gmail.com
MSN:aacblockmachine@hotmail.com
Phone:0086-15054985958
Automatic Aerated Concrete Block line(Dongyue Brand) Introduction:
Automatic Aerated Concrete Block line(Dongyue Brand),Aerated concrete brick(light weight block) is the light and porous building material, it has light weight keep temperature fire resistant and other advantages, it can be made into many kinds of blocks, the length:600mm, height:300mm,250mm,200mm,150mm, width:300mm,250mm,200mm 150mm,125mm,100mm,they could be used for industry building and common building, they are more and more popular in the world, in the future, they will replace the clay bricks completely.
2 Aerated concrete common conception.
Common concrete block density is usually 1600-2400 kg/m3,but aerated concrete are 600kg/m3,
650kg/m3,700kg/m3.it has no the big grain, mainly use silicon materials(for example: coal ash, sand, stone dust and others). Through making the material small for example: sand, they can be used directly if has enough degree of small(for example, coal ash, mixing calcium material,lime,cement water to a special slop, then add the aluminum powder and the addictive, make the aluminum powder and the special slop have a chemical reflect, then produce hydrogen to make the concrete slop to expanding or swell, expanding, next put them into the curing room to curing, then cutting, steaming, last, there will become the light block, the porous rate is 70%-80%.
3 advantages
Light weight
Aerated concrete density is usually 600-800kg/m3(according to the market in production), same as 1/3 of clay brick and 1/5 of common concrete, so use the light brick can reduce the weight of the building, and also reduce the beam of roof and pillar press, also you can see, it can save the material and costs,
Keep temperature.
It has many porous, the delivery hearting coefficient is 0.9-0.22W/MK, so it is the best materials in the world now, also many kinds of raw materials, have lowest waster materials, coal ash, sand waste mine materials stone dust and other silicon materials.
We are the top leader in China on manufacturing the autoclaved aerated concrete line(aac)with 65% markets share, we have exported our lines to different countries ——-Vietnam, India, Russia, Thailand, Ukraine, Middle East and so on.
We can supply our customer for designing, production, installation, commissioning, training and good after-sales service.
Capacity: from 50000 cubic meter to 300,000 cubic meter per year.
Equipments: stocking raw materials, mixing, molding, forming, cutting, evaporating and curing, crane cramp, transporting etc.
1 product weight is according to 600kg/m3 to control,
2 annual biggest capacity 300,000 m3
3 set raw material proportion: cement 6.5%, raw lime 23%, flyash 68%,gypsum 3%,aluminum powder 350g/m3
4 water and material rate 0.631
5 one mould capacity 2.88m3
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 2.5-2.5 hours, temperature 50-60 degree, after quiet stop body strength is 0.15-0.18 Mpa
9 steam curing cycle time, come in and our autoclave about 0.5 hour,steam curing cycle time about is 7 hours/1.2 Mpa, total 7.5 hours.
10
Cement lime flyash 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
11. cement lime sand style aerate 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 powder calculate to use according to 600kg/m3
Remark: the accurate batching rate is adjustable according to the raw material locally.
Post time: Jun-20-2017