Home  >  Construction Machinery  >  Building Material Making Machinery Parts

Lightweight Concrete AAC Block Machine, 1.higher pass-rate of production 98%, 2.high quality & best service, 3.ISO9001 & SGS - details see: https://www.machineto.com/2013-lightweight-concrete-aac-block-machine-manufacturer-10089944

Lightweight Concrete AAC Block Machine

1. AAC block plant Planning and design:

Factory covers an area of 6000~30000m2.(workshop at about 1800~3000m2). Including raw material area, finished block area and production area.

Production flows includes raw material processing, rated material pouring, foaming, cutting and hardening procedure.

From foundation to equipments erection and testing, to trial producing, it will take 4-5 months.

2. AAC block plant Material:

1). Coal Flyash or Sand or Quartzite: Dry ash from power plant; sand from river side.

2). Cement: cement in bulk.

3). Lime, gypsum and aluminum powder (buy at local area).

4). Water: from fresh supply water.

3. AAC block plant Water, electricity and steam supply:

1). Water supply: from well or use waste water.

2). Electricity supply: install a 350~500KVA transformer.

3). Steam supply: install a 4~8tons boiler to supply steam to autoclave and curing room.

4. AAC block plant Product quality and specification:

We produce according to PRC standard GB11968-1997 “Aerated Autoclaved Concrete Block Technology”.

1). Capacity category: 500, 600, 700kgs/ m3 (namely 3.5, 5.0, 7.5 Grade).

2). Compression strength level: 3.5, 5.0, 7.5Mpa (namely 3.5, 5.0, 7.5 Grade).

3). Drying shrinkage: less than 0.8mm/m

4). Thermal system: 0.11-0.22kcal/m.h.c

5). Sound insulation value: 47.45db.

6). Frost resistance: 35.

7). Water absorbity :20.

8). Fire resistance: >4h, 200mm thinkness and up >8h.

5. AAC Block plant Specification:

Length: 600mm.

Width: 100/ 125/ 150/ 200/ 250/ 300mm.

Height: 150/ 200/ 250/ 300mm.

6. AAC block plant Main technical parameters:

a. Product density should be controlled around 650kgs/m3.

b. Annual production capacity: 100,000~300,000 m3.

c. Material ratio: cement 5%, lime 15%, flyash 75%, gypsum 4-5%, aluminum powder 500g/m3.

d. Water and material ratio: 0.63:1

e. 3.06m3/mould

f. Cutting period: 5-6 minutes

g. Curing time: 1.5-2.5 hours at 50-60°C

h. Autoclave: 6-8 hours(sand 10-12hours)

7. AAC block plant Parameters

Fly ash style AAC block production line:

Parameter Name	Parameter Value
flash	65-70%
cement	6-15%
lime	18-25%
gypsum	3-5%
Aluminum powder paste	8
Water & material rate	0.60-0.65
Casting temperature	36-40°C
Aluminum mixing time	30-40s

Sand style AAC block production line:

Parameter Name	Parameter Value
Sand	55-65%
cement	10-20
lime	20-30%
gypsum	2-3%
Aluminum powder paste	8
Water & material rate	0.65-0.75
Casting temperature	35-38°C
Aluminum mixing time	30-40s