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Jiangsu Sankon Building Materials Technology Co., Ltd. 86-0519-83996829
3 Shifts / Day 600kg/M3 AAC Brick Making Machine

3 Shifts / Day 600kg/M3 AAC Brick Making Machine

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    600kg/M3 AAC Brick Making Machine


    3 Shifts / Day AAC Brick Making Machine

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3 Shifts / Day 600kg/M3 AAC Brick Making Machine

Factory Outlet Hydraulic Concrete Automatic Brick Machine Maker
Plant data

plant type :tilt cake system
product range-actual
-blocks :100%(optionally profiled)
dry density range : 500 - 600 kg/m3

3 Shifts / Day 600kg/M3 AAC Brick Making Machine 0

Mould type
gross size :4120×1260×670
net size cake : 4000×1200×600
net cake volume :2.88 m³

Production data
-shifts/day :3shifts/day(7.5hours effective per shift)
-Cakes/day :122
-Production rate (cycle time) :5.5min/cake
Theoretical capacity :350 m³/day
Basic assumptions
-working days/year :300
-rising time :2hours
-autoclaving cycle : 12 hours (incl. loading/unloading)

3 Shifts / Day 600kg/M3 AAC Brick Making Machine 1

The above mentioned theoretical capacity does not include possible production waste, broken material, reduction in net volume, etc.
This capacity is calculated on the basis that above mentioned rising and autoclaving times can be met and is considered at a 100% mould utilisation. These times are very depending on the quality of the raw materials and other conditions which are under the responsibility of the Purchaser. These times might also extend in case of increased future reinforced element production.

  1. product range and pack sizes
    1. range -blocks

The following products to be manufactured and packed on wooden pallet (pallet type wooden pallet of 1200 x 1200 mm) according following table:

Pack Lenght Pack Width Pack Height  
12×100=1200 2×600=1200 6×200,or 5×240,or4×250=1200 mm
10×120=1200 2×600=1200 6×200,or 5×240,or4×250=1200 mm
8×150=1200 2×600=1200 6×200,or 5×240,or4×250=1200 mm
6×200=1200 2×600=1200 6×200,or 5×240,or4×250=1200 mm
5×240=1200 2×600=1200 6×200,or 5×240,or4×250=1200 mm
4×300=1200 2×600=1200 6×200,or 5×240,or4×250=1200 mm


  1. Dimensional accuracy

Accuracy of cutting:
- length of the block : ± d2 mm (repetitive)
- height of the block : ± d1,0 mm (repetitive)
- thickness of the block : ± d1,0 mm (repetitive)

5. Indication general labour force plan
An indication of man power required to operate the plant is shown in the labour force plan below:

  Per shift Comment
Mixing and dosing and rising area
- Mixer & aluminium dispersion preparation
Slurry preparation system
- Supervision of sand preparation and partial duties in
mixing section
Production section
- Cutting plant, including tilting crane and platform
- Mould oiling
- Frame brushing and oiling
- Platform brushing
- stacking pin insertion and extraction
autom. option
autom. option
Autoclave section and steam production
- Autoclaves & steam boiler
- Autoclave traverser
Loading & unloading section
- Unloading crane
- Packaging and sorting
autom. option
Employees needed per shift in the production plant: (excl. options) 11-12  
Supervision & Auxiliary    
- Laboratory
- Supervision
- Maintenance
1 - 2
Employees needed per shift needed for Supervision & Auxiliary: (excl.options) 3 - 4  

Standard raw material specification and consumption values
1. Requirements for raw materials
The following raw material specifications are standard values as used in several aerated concrete plants.
1.1 Quartz Sand

SiO2 min. 80% by weight
Fe2O3 max. 3% by weight
Al2O3 max. 7% by weight
CaO max. 10% by weight
MgO max. 3% by weight
SO3 max. 1% by weight
Na2O max. 2% by weight
Loss on ignition max. 10% by weight
Residue on 0,063 mm screen max. 5%  

1.2 Ground quick lime

CaO min. 75% by weight
MgO max.2.0% by weight
SO3 max.1.0% by weight
Loss on ignition
t 95 % passing through a 100 µm sieve
max.5.0% by weight

CaO values below 92% by weight increase the lime consumption correspondingly.
Typical reactivity:

2 minutes: 35°C± 4°C TO 45°C± 3°C
5minutes: 45°C±3°C TO 50°C± 2°C
10minutes: 60°C± 3°C TO 67°C± 2°C
20 minutes: 66°C± 2°C TO 72°C± 2°C
30 minutes: 69°C± 2°C TO 73°C± 2°C
40 minutes: 70°C± 2°C TO 74°C± 2°C

(Test conditions: 600 ccm distilled water at 20°C ± 0.5°C and 150 g ± 0.1 g of unslaked lime).

1.3 Portland Cement 45 N/ mm²

Fineness (Blaine) 3,500~4,000 cm²/g
Setting times Initial 160~260 minutes
Final 300 minutes
Compressive strength of the test cube 3 days 20-25 N/mm²
7days 30-35 N/mm²
28days 40-45 N/mm²
Alcalinity 0.4 - 0.8%

1.4 Ground, natural anhydrite
CaSO4 min. 80 % by weigh
t 98 % passing through 150 µ sieve
Gypsum or synthetic anhydrite may be used as an alternative; properties have to be established by appropriate tests.
1.6 Aluminium powder
Metal content 90 - 95 %
Max. oversize with 45 µ 20 - 50 %
Average grain size 20 - 45 mµ
Specific surface area acc. to Blaine Fatty acids 10,000 - 20,000 cm²/g max. 1.5 %

1.7 Water
Potable water without any components that are detrimental to concrete. In order to obtain the right mix temperature the water shall be supplied from a cold as well as a hot water source.
1.8 Assumed temperature of raw materials

Sand slurry 35° C max.
Lime 20° C max.
Cement 20° C max.
Anhydrite 20° C max.
Production water cold ca. 15° C
Production water hot ca. 90° C

2. Consumption values
According to our experience following consumption values may be used as indicative values. The specific raw material consumption will depend on the quality of the raw materials and the desired dry density and compressive strength of the finished product.For various dry density classes from 500 to 600 kg/m³ and average raw material quality, following typical consumption values may serve as a guideline for the production of 1 m3 AAC blocks:

Raw material vs. dry density 500 kg/ m3 600 kg/ m3
Sand 292 kg 352 kg
Lime 62 kg 98 kg
Cement 99 kg 99 kg
Anhydrite 18 kg 21 kg
Water (total, excl. steam) 382 kg 442 kg
Aluminium (metal powder) 0,46 kg 0,39 kg
Total solids 471 kg 570 kg

For the production of AAC panels additives (e.g. MgO) are needed to adjust the shrinkage of the AAC relative to the steel reinforcement . Further it is not advisable to produce AAC panels using flyash.

average consumption
per m³ of AAC
Electrical power consumption ca. 18- 21 kWh
Steam consumption (water) ca. 180 kg
Natural gas consumption
(dependant on boiler and foiling)
ca. 11 - 14 m³

3 Shifts / Day 600kg/M3 AAC Brick Making Machine 2