sand/flyash brick/block making machine

Specifications:

Autoclaves sand-lime brick production process including raw materials preparation, mixture preparation, brick molding, autoclave

raw material: cement, sand/fly ash, lime 

Size of blank: 3.9*1.2*0.6 or 4.2*1.2*0.6 or 6.0*1.2*0.6 

Autoclaved Sand-lime Brick line as follows:

First, raw material preparation
Sand and lime is the main raw material of sand-lime brick production, the sand can be used river sand, sea sand, Aeolian sand, sand deposition and Concentrator tail minerals and, in accordance with different types of sand mining and characteristics, each adopting different methods of mining. Lime production mainly taken calcinations method

Second, mixture preparation
Preparation mixture, mix design must be carried out. Mix design should consider making brick and have sufficient strength to meet pre-established product performance, such as strength, durability, antifreeze and stability in the medium erosion, etc.. Strength is not the higher the better, or the product strength of the better, because the higher the intensity, the lime needs to be used more to the better graded sand, which means raising the cost. Therefore, the mix design is actually to find the most technically and economically optimal critical point. During mix design, it is necessary to consider the original conditions are: raw materials properties (the mineral and sand particle composition, the chemical composition of lime, the lime content of calcium oxide, hydration speed and temperature, etc.), the product quality requirements and suppression, conservation conditions.

Preparation mixture contains lime digestion, and the measurement mixture stirring, the mixture digestion, the digestion mixture treatment processes.

Third, brick moulding
Moulding is the sand-lime brick production process of one of the most important aspects, including four production processes: Filling, compression a blank, blank-blank admission. Filling is the loose granular mixture by adding a mandatory provisions of the size and shape of Plane Die hole in the press. Pore Pressure is to die in the mixture exert pressure on the brick of a face or two relative level, then, in a room by the template, upper and lower limit by the closure of stamping die in the blank space under various pressures. That will have a blank brick from the compression molding of parts introduced to. Admission Blank Blank is the brick yards from the pressure on the transfer from the steam curing yards down the car. In this four processes, in the first three Road is pressure to complete the transfer as code from Blank Blank, or can be manual, mechanical also can be used to complete.

Forth: Cutting

there are two technology of cutting process: ground turnover process unit; 

air turnover process unit (step mobile cutting machine) (step fixation cutting machine)

Fifth: autoclaving

According to the capacity, the autoclave could be 2.*21m, 2*31m,2.85*31m ect.