Aerated Autoclaved Concrete AAC Block Making Plant

Model No.:20000 m3/year

Certification: SGS, CE, ISO, Other

Customized: Customized

Automatic Grade: Automatic

Type: Vibration Molding

Production Capacity: 20000 Cubic Meter Pear Year

Precuring Time: 2 Hours

Steaming Time: 8-10 Hour

Raw Materail: Sand, Fly Ash

Optional Capacity: 50000m3, 100000m3, 150000m3

Compoents: Crusher, Ball Mill, Mixer, Autoclave

Sand Proportion: 55-65%

Cement Proportion: 10-20%

Lime Proportion: 20-30%

Gypsum Proportion: 2-3%

Packaging: Container Loading

Productivity: 20000-300000 m3 per year

Brand: Mingyuan

Transportation: Ocean

Place of Origin: Henan, China

Supply Ability: 1 sets per month

Certificate: CE, ISO

HS Code: 8474809090

Port: Qingdao Port,Tianjin Port,Shanghai Port

AAC Block is an important construction material which main features light weight, Good heat preservation and air resistant, AAC Block Plant is a cost effective aac block production line with sand, cement, lime, aluminum powder, fly ash as the main materials, the main equipment for a aac block plant includes Jaw Crusher, bucket elevator, Ball Mill, mixer, slurry pump, cutting machine, boiler, crane, and autolaves.

General introduction about the production process for AAC block plant /AAC brick plant.

The main process mainly includes the following different process

1. raw material preparation-- if use sand as the main material, both the sand and lime needs to be ground into powder which will be converted into slurry in the next stage, usually both of the materials are crushed by a jaw crusher, in order to prevent the environment from polluted, the dust collectors are adopted to collect the dusts during the production
2. Batching ---in order to guarrantee the good characterics of the aac block, Each element is calculated before mixing.
3. Mixing and pouring--After batching, each material will be fed to the mixer for slurry making, and the moulds are under the pouring machine, which will pour the slurry to the moulds when it's thoroughly mixed.
4. Pre-curing---The mould with slurry will be stored in the curing room for about two hours, with 40-45 celsius degree.
5. Cutting-Then the green cake will be dragged out and the frame of the mould will be removed by a crane, then it will be sent to the cutting machine
6. The cutting machine will cut the green cake into the sizes required, there are vertical cutting and horizontal cutting. and the waste is returned to the mixing machine for recycling, below are some commonly used aac block size, Length (mm): 600
   Width (mm): 75, 100, 125, 150, 175, 200, 250
   Height (mm): 200, 240, 250, 300
   Remarks: The size can be customized
7. After cutting, the green blocks are organized into groups, which will be loaded into the autoclave when it's enough for one autoclave.
8. Steaming--The green blocks are steamed for 8-10 hours with boiler as the heat source. and the pressure inside the autoclave needs to be kept at 1.2MPa, after steaming, we can get the finished aac block or aac brick, after packing, it can be sent to the warehouse or markets.

Features of AAC block

1. Lightweight: Porosity achieve 70% to 85%, volume density is generally 500-900kg/m3, as 1/5 of general concrete brick, the 1/4of clay brick, the 1/3 of hollow brick, and similar with wood can float in water. It can reduce building weight, reduction in the cost of integrated building, moreover, prolong building's life.

2. Fireproof: Most of the major raw materials is inorganic materials, so it has good fire resistance, and do not emit harmful gases when meet fire. Fire 650 degrees, as a refractory material, the thick up of 100 mm walls can reach to 4 hours fire resistance, 300mm thick up wall can reach to 9 hours fire resistance.

3. Sound insulation: Due to a unique porous structure, so it has a sound absorption capacity. The sound absorption capacity can reach of 100mm thick wall up to 41 db.

4. Insulation: As the material inside has a large numbers of the pores and porous, which has a good thermal insulation properties. The Thermal conductivity is 0.11-0.16W/MK, as 1/4-1/5 of brick. Typically, the insulation effect of 20cm thick aerated concrete wall is equivalent to 49cm thick solid brick walls ordinary.

5. Permeability: Result of material by the composition of many independent small pores, the moisture absorption is slow, in the volume of absorbent is 5 times of clay saturation do. When used in the bathroom, the wall can be treated to interface directly paste tiles.

6. Anti-seismic: The same building structure, improve the two seismic than the brick level.

7. Green: Manufacturing, transportation, all use the process of non-pollution, to protect arable land, saving energy, is one kind of a green building material.

Below is the proportion of each element for the aac block plant /aac brick plant

Name	Unit	Cement Lime Sand
Sand	%	55-65
Cement	%	10-20
Lime	%	20-30
Gypsum	%	2-3
Aluminum powder paste(600kg/m3)	1/10000	8
Water & material rate		0.65-0.75
Casting system	OC	35-38
Aluminum mixing time	S	30-40

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