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aac light weight brick(block) manufacturing process
Time:2013-01-18   Author:  Click:2894

Light weight brick or aac block is with fly ash, lime, cement etc as the main raw material, is the multihole light building materials, which with aluminium as foaming agent, and then batching, mixing, pouring, gasing, cutting, curing etc process to finish.It is a new type building materials-light weight concrete block.
light weight brick process,aac block manufacturing process:

Raw material processing→Batching and pouring→Precuring and cuttting→Autoclave curing
1.Raw material processing
Crushing and grinding the raw material according to requirment, and then storage the fine slurry in hopper.
Note:
1). It should be inspected before raw material into factory, after ensure quality , can use.
2). It should be divided storage and piling up after raw material into factory.
3). It should pay attention to moisture for cement,lime storage, and prevent of fire,explosion for dry aluminium.

2.Batching and pouring
Batching and pouring is the key process of the whole AAC block production, to ensure the AAC block quality, should strict according to production batching, and control the add material order and mixure time. Aluminium powder must be mixed uniforme in the mixing machine.
After batching and pouring process, pouring the mixed slurry into mould, and then conveying to curing area.

3.Precuring and cuttting
Crushing and grinding the raw material according to requirment, and then storage the fine slurry in hopper.
Note:
1). It should be inspected before raw material into factory, after ensure quality , can use.
2). It should be divided storage and piling up after raw material into factory.
3). It should pay attention to moisture for cement,lime storage, and prevent of fire,explosion for dry aluminium.

4.Autoclave curing
The curing cart with AAC block before finished grouping, open autoclave door, and send the AAC block into autoclave. Under the condition of high temperature and high pressure, can ensure the the AAC block intensity, among the curing process, strictly according to designed process, the intensity and gas hole of AAC block are decided by curing time.
After curing, can open the autocalve door, to push out the finished products cart by slow speed tractor, and then pull the curing cart wtih green AAC block into autoclave, to convey out AAC block to the finshied products site by forklift, and then hoisting the curing cart and mould bottom plate back to lane, after cleaning, pushing back to autoclave lane, for the next cycle.

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