Product Description AAC Block & Panel Production
Line
What is AAC
?
AAC is the abbreviation of Autoclaved
aerated concrete,It is a new type of light weight , thermal
insulation building material .The raw material are siliceous
materials (such as fly ash, sand) and calcareous materials (lime
and cement) ,made by batching, pouring, expansion, cutting, curing
and other processes.1.Sand is widely used siliceous material in
aerated concrete industry . The main function of sand is to provide
SiO2.2.The role of fly ash in AAC is also to provide SiO2.And the
Al2O3 in fly ash can give large effect during static stop after the
casting process .3.Lime is the main calcareous material in the
production process. Its main function is to provide calcium oxide,
so that it can react with SiO2 and Al2O3 in the siliceous material
under hydrothermal conditions to form calcium silicate hydrate, so
that the product can gain strength.Finely ground quicklime is used
in the production process.4.Cement is a hydraulic cementitious
material, Portland cement is suitable for AAC.Parameter of the
processesProcessesParameterMixing period5-6 minutesPouring
slurry temperature40-45ºCCake curing time2.5-3.0hCake curing
temperature45~55ºCCake strength after curing0.15~0.18MPaAutoclaved
curing system before-after
autoclave0.5hVacuumize0.5h(0~-0.06MPa)Listing
pressure1.5h(-0.06~1.3MPa)Constant pressure8h(1.3MPa)Releasing
pressure1.5h(1.3~0MPa)total12h Production Process
IntroductionGas block wall panel pictures and photos
The production process includes raw material
preparation, batching pouring, static stop curing, cutting,
autoclaving curing, , exiting from the kettle and packing . Raw
Material Preparation 1. Raw materials need to be ground before
being processed. In order to meet the fineness requirements of the
feed, block materials such as quicklime and natural gypsum need to
be crushed.2.Grinding can give full play to the activity of the
material;The ground slurry has better water retention and higher
viscosity due to the dissolution of some components , which can
make the slurry have proper consistency and liquidity Material
Batching and Pouring 1.Measure various raw materials, adjust
the temperature and concentration, and feed materials to the mixing
equipment in sequence according to the process requirements 2. The
pouring process is one of the unique processes that distinguish
aerated concrete from other concretes. The prepared raw materials
are stirred to meet the specified time temperature and consistency
requirements to obtain slurry, then pour into the mold.3.Pouring
and batching can be controlled separately or centrally, and
different degrees of automation can be realizedStatic
Maintenance1.The poured mold is pushed into the resting room with a
conveyor chain for initial gas generation and initial setting. The
room temperature is 50-70°C, and the time is 1.5-2 hours.2.The
resting process is mainly to promote the slurry to continue to
complete the hardening process, so that the embryo body reaches a
certain hardness for cutting Cutting The cutting process is
to divide and shape the AAC body to meet the appearance and size
requirements. The cutting process reflects the characteristics of
air-entrained concrete, which is convenient for large-volume
molding, flexible and diverse in shape and size, and large-scale
mechanized productionAutoclaving CuringThe autoclave curing process
is to perform high-pressure steam curing on the cut aerated
concrete body, and complete the hydrothermal reaction of
CaO-SiO2-H2O in the kettle Packing This is the last process
of production, including pull out the finished products form
kettle, lifting, inspection, packaging and cleaning and oiling of
the bottom plate of the trolleySpecification
Cutting Machine
GroupMoldSomersault demoulding machineGas block Hoist: hoist
block mould and groupingGas block AutoclaveGas Slurry
Pouring MixerPackaging & Shipping
Our Factoryoffice buildingOur office building
provides our staff with a comfortable working environment,thus we
can keep improving our AAC machines and related service with higher
productivity. Customer plant We will arrange engineer to
customer place installation , trainning workers.FAQ Q:
What's your Min MOQ of AAC production line?A: One set;Q:How
long is warrant
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