China Direct Manufacture AAC Concrete Block Machine

Product Description

AAC Block Machine manufacturer
(1)Professional manufacturer of AAC block making machine for 15 years;
(2)Our products have passed ISO9001:2008,BV,CE,SGS certification;
(3)Engineers available to service machinery overseas;
(4)Warranty:one year,24 hours technical support by e-mail;
AAC Block Machine manufacturer
2.Autoclaved Aerated Concrete AAC Block Making Machine Introduction:
Autoclaved Aerated Concrete (AAC) Block -aac block machine , also called Light Block, used siliceous (fly ash, sand, slag) and calcareous (lime & cement) as the main raw materials, which through the process ofbatching, pouring, cutting, autoclaving, separating and packing to make into the final products. It is new type & environmental construction material and widely used for industry and civil building construction. aac block machine is the most mature technology of production and application in the worldwide nowadays.
AAC Block Machine manufacturer
3.Advantages of AAC Blocks:

1.Lightweight: Porosity achieve 70% to 85%, volume density is generally 500-900kg/m3, as 1/5 of general concrete brick,the 1/4of clay brick, the 1/3 of hollow brick, and similar with wood can float in water. It can reduce building weight, reduction in the cost of integrated building,moreover,prolong building's life.

2.Fireproof: Most of the major raw materials is inorganic materials, so it has good fire resistance, and do not emit harmful gases when meet fire. Fire 650 degrees, as a refractory material, the thick up of 100 mm walls can reach to 4 hours fire resistance, 300mm thick up wall can reach to 9 hours fire resistance.

3.Sound insulation: Due to a unique porous structure, so it has a sound absorption capacity. The sound absorption capacity can reach of 100mm thick wall up to 41 db.

4.Insulation: As the material inside has a large numbers of the pores and porous, which has a good thermal insulation properties. The Thermal conductivity is 0.11-0.16W/MK, as 1/4-1/5 of brick. Typically, the insulation effect of 20cm thick aerated concrete wall is equivalent to 49cm thick solid brick walls ordinary.

5.Permeability: Result of material by the composition of many independent small pores, the moisture absorption is slow, in the volume of absorbent is 5 times of clay saturation do. When used in the bathroom, the wall can be treated to interface directly paste tiles.

6.Anti-seismic: The same building structure, improve the two seismic than the brick level.
AAC Block Machine manufacturer
4.Detailed pictures of Autoclaved Aerated Concrete AAC Block Making Machine:

AAC Block Machine manufacturer
5.Main Process Flow of AAC Production line/AAC Block Making Machine Line:
1. Raw material: Store the fly-ash (tailings etc), lime and gypsum after milling to the needed fineness (200 mesh)
2. Mixing the fly-ash, cement, lime, gypsum and water in the pot after batching.
3. Promote the slurry temperature to 40-50 degree by steam, and mill with aluminum powder for 1min.
4. Pour the slurry into the mould, and still in the curing room for frothing in 2-2.5h.
5. Cut it in to needed size by the cutter after the slurry approach the cutting intensity, and place the block on the trolley.
6. Autoclaved curing after the trolley enter into the autoclave (vacuum, rise the pressure, keep the pressure, reduce the pressure),keeping the constant pressure 1.2MPa. The whole process needs about 8 hours.
7. The products out of the autoclave are placed in a stack. We can recycle the scrap and the waste water from the whole production.
AAC Block Machine manufacturer
6.Sand& Flyash of AAC Block Raw Materials(AAC Block Making Machine Line):

Name	Unit	Proportion	Name	Unit	Proportion
Fly ash	%	60-70	Sand	%	55-65
Cement	%	6-15	Cement	%	10-20
Lime	%	18-25	Lime	%	20-30
Gypsum	%	3-5	Gypsum	%	2-3
Aluminium powder paste	1/10000	8	Aluminium powder paste	1/10000	8
Water&material rate		0.60-0.65	Water&material rate		0.65-0.75
Casting temperature	°c	36-40	Casting temperature	°c	35-38
Aluminium mixing time	s	30-40	Aluminium mixing time	s	30-40

AAC Block Machine manufacturer
7.Company profile
ShanDong SUNITE Machinery Group Co., Ltd, established in October, 1998, is a Chinese manufacturer of dedicated in AAC block making machine production line. The registered captical is more than REB 10 million and employees is more than 500 including 6 senior engineers and 28 intermediate engineers. It's the first professional manufacturer in China specialized in the manufacturer of autoclaved aerated concrete block equipment, aerated concrete wall panel equipement, steam-cured and autoclaved brick equipment.
Certifications:
Group Photos with Customers:
What is the normal size of the AAC block?
Length (mm): 600
Width (mm): 75, 100, 125, 150, 175, 200, 250
Height (mm): 200, 240, 250, 300
Remarks: the size can be customized
What are the applications of the finished AAC blocks?
Finished AAC block is Suitable for all nonbearing wall and bearing wall of multi-story (less than six-floor), nonbearing wall internal parting wall, thermal insulation rooms front panel, floorslab.
1.Unit weight grade (kg/m3): 500, 600, 700, 800 (means 05,06,07,08 grade)
2.Compression strength grade (Mpa): A3.5, A5.0, A7.5, A10.0 (1Mpa=10kg/m2)
3.Drying shrinkage (mm/m): ≤ 0.8
4.Heat conductivity(w/m.k): 0.09-0.22
5.Sound-proofing performance(db): 40-47.75

Please do not hesitate to contact us!

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