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What is Aerated Concrete?
Autoclaved Aerated Concrete (AAC) is a building material with
outstanding thermal insulation,high loadbaring capacity at low
weight and good workability.
Aerated Concrete is a well-proven material for almost 80 years and
this in all climatic zones.Aerated Concrete is a high tech
Calcium-Silicate-Hydrate produced out of Cao (contained in
quicklime and cement),out of SiO2(contained in sand or
PFA=Pulverized Fuel Ash ),anhydrite(gypsum),water and a trace of
aluminium power(as aeration agent).
The raw materials are precisely dosed,mixed,poured into large
moulds to form a "cake". The cake is pre-cured in climatized
pre-curing chambers,cut to blocks or panels,steam cured in
autoclaves at a temperature of 190°C(374°F).During the autoclaving
process calcium silicate hydrate is formed.Finally the AAC is
palletized.
Autoclaved Aerated Concrete Brick Machine-Autoclave
Description:
The length of the kettle body, the gauge size inside the kettle and the opening form of the kettle door can be manufactured according to the requirements of users.
USES and Features:
Autoclave is one of the indispensable equipment in the production line of aerated concrete block. Large container equipment is used for autoclaved curing of construction products such as lime sand brick, fly ash brick, aerated concrete block, new lightweight wall material, concrete pipe pile, etc. After steam raising, the products can obtain high strength.
Application:
The cut concrete blocks must be placed into the concrete curing
autoclave for autoclaving in order to ensure the AAC blocks achieve
a certain hardness.
Concrete curing autoclaves are used for autoclave curing of concrete blocks, and thus allowing the concrete block to complete hydrothermal synthesis and obtain different mechanical properties. The working pressure of the concrete curing autoclave is 1.3MPa~1.6MPa, and the working temperature of concrete curing autoclave is 191℃~201 ℃.
Autoclaving Time:
The concrete blocks need to go through several stages for complete
autoclaving. This includes:
Before Autoclaving: 30min
Vacuum Pumping: 30min
Temperature Rise and Pressure Rise: 90min
Constant Temperature and Constant Pressure: 480min
Temperature Reduction and Pressure Reduction: 90min
After Autoclaving: 30min
Parts:
With a durable structure and reliable safety, the concrete curing
autoclave is composed of the autoclave body, autoclave lid, orbit,
pressure gauge and safety valve.