AAC Machine Fully Automatic Autoclaved Aerated Concrete Brick Making Machine AAC Big Machines to Make Money Gas Block Equipment

Product Description

Autoclaved aerated concrete (AAC block) is a kind of wall material with many advantages, such as heat preservation, fire prevention, sound insulation, moisture-proof, environmental protection,recycled using etc. The AAC products with porous structure are lighter, and easier to cut, drill and construct which saves the labour cost.

Hongfa are specialized in providing services for the whole plant solution of autoclaved aerated concrete, including raw material testing, plant planning, customized equipment design, equipment manufacturing, pre delivery inspection, supervision of project site installation and personnel training. 

The Autoclaved Aerated Concrete (aac) production process includes raw material preparation, batching and mixing, pouring, precuring, cutting, autoclaving, and packing. We Hongfa support AAC block/ ALC panel plant solutions with capacity ranging from 50,000m3 to 500,000m3 per year.



autoclaved aerated concrete block gas block autoclave equipment acc cellular block production line

what's AAC/ALC ?

 

Autoclaved aerated concrete concrete block/autoclaved lightweight concrete panel is high intensive lightweight artificial stone through the autoclaved curing with the basic composition of calcareous and siliceous materials,porous structure formed by chemical gas generation method .Autoclaved aerated concrete block is,as it were,autoclaved cellular silicate concrete adopted a special method of chemical gas . Currently,the product of autoclaved aerated concrete block is one of the important raw materials of all kinds of high - rise building structure in domestic,and no other product is to replace and is in the ascendant in the future,with no risk ,matured technology,no investment risk,and accord with the state industrial policy .

 

The technology that Hongfa AAC block AAC production line mainly adopts the Germany Yitong process to realize the green body turning in the air ,the fixed - step cutting of the green body walking ,the hydraulic lifting and conveying ,the bottom turning in the air ,and the defoaming treatment of the steam drum. 

Hongfa factory with 80 production line plant abroad AAC (Aerated Autoclaved Concrete) block Main raw materials of AAC are siliceous material (sand, fly ash and Silicon tailings) and Calcium materials (lime and cement) mixed with foaming agent (aluminum powder).

 

Aerated concrete and aerated silicate are types of cellular concrete, that is, building materials that are made on the basis of cement or lime and have a characteristic structure with tiny bubble cells. Such pores are filled with air, which increases the thermal insulation capabilities of the materials.

 

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cement blocks with male female aac block machine interlocking brick machine aac block line gas block making molds autoclaves

It is the product of light porous silicate through the following processes: batching, mixing, pouring, hardening, cutting,
autoclaving and curing etc. Because of large amount of well-distributed tiny pores after foaming, it is named autoclaved aerated concrete. AAC Classification: In general, it can be classified according to the types of raw materials, manufacture process and functions.



Based on the shape of AAC products, it can be divided into: AAC blocks and AAC panels. It is a revolutionary material offering an unique combination of high durability and strength, low weight, excellent heat insulation, fire resistant, noise absorption, unprecedented build ability and superior ecological green features. In China, AAC is one of the light wall materials which was popularized and applied at the earliest and the most widely.

aac product line aac block plant automatic brick making machine simplified description of the production process

cement blocks with male female aac block machine interlocking brick machine aac block line gas block making molds autoclaves raw material preparation → batching and pouring → mesh care preparation for panel production line → reinforcement section for panel production → pre-curing and aerating → demoulding and cutting → grouping before autoclaving → autoclaving → packing section → warehouse and logistic

1.  Raw material dealing

Put the fly ash or sand into the ball mill to mill via the conveyor belt, after milling, put the slurry into the slurry storage
tank by slurry pump.
2.Batching, mixing and pouring process

The lime, cement will convey by conveyor to the dry powder measure scale to scale separately. The slurry convey by slurry pump then to the automatic scale;the power and slurry put into the mixer,pouring into the mould.
3. Curing process

After slurry pouring into the mould, put the mould box into the curing room with 50~70ºC. After 2-3 hours curing, the blocks become soft solid and ready for cutting.

4.Cutting process

Cutting size can be adjusted flexibly, with 0 broken rate.

5. Aerated autoclaved process

Finished cutting using semi-product crane carry to the front of autoclave grouped, hoisting machine or dragger will drag steam trolley into autoclave to steam,it need 6-10 hours.

6.Finished block dealing process

After 6-10 hours, finished products come out of autoclave, with separting machine to separate blocks layer by layer.
7. Packing process

Using finished block carry hanger clamp the finished product to package line on wooden pallets,after package, then by forklift transport the finished products to piled yard according to specifications to stack.

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Ocean-container&bulk shipping.

Land-Truck&railway.

Autoclaved aerated concrete is based on the calcium silica hydration reaction. Apart from traditional sand, there are many types of solid waste that can be used to produce AAC, such as slag, tailings, ceramic tailings, etc. The most common solid waste is fly ash. Large amounts of fly ash are available and utilization of solid waste is important for environmental protection.

The main raw materials for the production of AAC block
1. Tailings raw materials produced by various metal mine mining, iron ore tailings, copper mine tailings, quartz stone tailings, etc.
2. Ceramic mud. Granite, marble mine tailings, and quarry tailings, etc.
3. Fly ash, slag, water slag, steel slag and other waste materials produced by various thermal power plants, heating companies and steel plants
4. Various power plants, phosphate mines, desulfurization gypsum, phosphogypsum and other ancillary waste produced
5. A large amount of construction waste, concrete fragments and other waste materials generated by urban demolition and road construction in various places
6. A large amount of waste residue and tailings generated by national road construction and tunnels, etc.
7. Natural sand and gravel
8. Fly ash, cement, water, shale and yellowstone tailings

Advantages of the AAC blocks  application

1. Sound proof
AAC wall has an excellent sound Transmission class (STC) ,rating of 44. Result: Virtually Soundproof Interiors

2. Thermal Insulation

It has highest thermal rating in the industry….R30! Thus provides well insulated interiors, keeping out warm air in summer and cold air in winters. AAC reduces Air conditioning cost by 30%.

3. Earthquake Resistant

Earthquake forces on structure are proportional to the weight of the building, hence AAC shows excellent resistant to earthquake forces. Regions of high seismic activity like Japan exclusively use AAC. 

4. Floor Space Area

Use of thinner blocks (6" instead of 9" exterior walls) because of its excellent water barrier & insulation properties leads to an increase in floor space area between 3-5%.

5. Cost saving

Being lightweight AAC drastically reduces the dead weight of building, resulting into reduction in steel (up to 27%) and cement (up to 20%) structural cost saving. Being 8 times the size of a clay brick, AAC wall construction involves 1/3 the joints, thus an overall 

mortar saving up to 66%
Its automatic manufacturing process gives AAC an exceptional dimensional accuracy & smooth surfaces, eliminating need of three-coat plaster walls and allows for a final 6 mm skim coat (putty/POP).

6. Fire Resistant

Best in class fire rating of 4 hours. The melting point of AAC is over 1600 ºc, more than twice the typical temperature in a building fire of 650 ºc.

 

General specification    

Common specifications of block
Name	Product grade	specification:length* width* high mm
AAC High-precision block	B04-A2.5    B05-A3.5     B06-A5.0	600*250*50
		600*250*75
		600*250*100
		600*250*150
		600*250*200
		600*250*250
		600*250*300
AAC Ordinary block	B04-A2.0     B05-A3.5      B06-A5.0	600*250*100
		600*250*150
		600*250*200
		600*250*250
		600*250*300

According to product strength and bulk density (weight per cubic meter), it is divided into different grades. Commonly used are: strength A3.5, bulk density B06. The higher the strength, the lighter the bulk density
Size deviation 

Main technical indicators of AAC block
items		Technical performance index
Density level		B03	B04		B05		B06
Intensity level		A1.0	A2.0	A2.5	A2.5	A3.5	A3.5	A5.0
Compressive strength per cubic	average value(More than or equal to MPA)	1.2	2.0	2.5	2.5	3.5	3.5	5.0
	Minimum(More than or equal to MPA)	1.0	1.6	2.0	2.0	2.8	2.8	4.0
Average density (Less than or equal to kg/m³)		300	425	400	525	500	625	600
Dry thermal conductivity [w(m.k)]		0.08	0.11		0.13		0.15
Freezing resistance	Quality loss rate (Less than or equal to  %)	5.0
	Strength after freezing(MPA)	More than 80% of compressive strength per cubic
Drying shrinkage	Standard (Less than or equal to mm/m)	0.50
Combustion performance		Comply with GB8624-2012 Class A non-combustible

Hongfa Machinery Since 1990 Focus on equipment manufacturing
♦ Founded in 1990
♦ A leading developer & manufacturer of construction materials machinery
♦ Total 11 factories(9 equipment produce factories, 2 building materials factories ) ,State-owned Enterprise
♦ Two production bases with 440,000 square meter plant area
♦ 1,500 employees (70+ engineers)
♦ 10,000 customers and fulfillment to over 132 countries
♦ Annual sales over USD1,000,000.


 

Hongfa Group is a proffessional manufacturer and supplier for different type equipment and production line, related products please have a look 

 1.concrete block making machine

2.EPS lightweight panel production line

3.AAC block production line

4.concrete batching production line

5.colorful roof tile /terrazzo tile / artificial stone machine

6.concrete pipe production line

7.artificial quartz slab production line

8.environmental protection equipment

9. Power station equipment

10. Mining equipment

11. Cement making equipment

12.fiber cement board/ calcium silicate board production line

13. Quicklime kiln production line

14. Terrazzo stone Inorganic terrazzo production line

15. prefab house precast concrete wall panel production line

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