Cheap Semi Automatic Paving Hydraform Brick Manual Cement Concrete Block Making Machine Price

Cheap Semi Automatic Paving Hydraform Brick Manual Cement Concrete Block Making Machine Price

The natural drying is to place the wet billet on the billet stalk in the natural drying place,manually invert the code and use the atmosphere to wet the cold billet into a dry billet.Artificial drying is to use equipped artificial drying chamber to dry wet billet.The artificial drying room is divided into three types: large-section tunnel drying room, small-section tunnel drying room and chamber drying room.Whichever type is adopted, it is manually or mechanically placing wet billet on a drying truck,then put it into drying chamber.The heat medium in the drying chamber generally comes from the waste heat of the sintering kiln or the hot blast stove.Whichever drying method is adopted, it must be ensured that the blank will not be deformed or chapped during the drying process.If the wet billet can’t guarantee the appearance quality of the product during drying, it will cause high reject rate, falling output,increasing cost of the finished brick, which are definitely harmful to company economic efficiency.This shows the importance of drying wet billet in brick making process.

Cheap Semi Automatic Paving Hydraform Brick Manual Cement Concrete Block Making Machine Price

This is still the result after revalidation according to the geotechnical test method,which fully demonstrates that the current geotechnical test method used in the brick and tile industry can’t correctly reflect the characteristics of raw materials such as coal gangue and shale during processing and forming.In order to further prove the fact that raw materials such as shale or coal gangue relys on reducing the particles size to obtain plasticity, the hard shale in a place near Shijiazhuang was crushed into two groups in the laboratory.One group all can pass 0.9 mm sieve; the other can all pass 0.5 mm sieve.However, the shale of the same mineral composition differs greatly in its plasticity index only due to its different grain sizes, one being 4.8% (0.9 mm) and the other being 8.9% (0.5 mm).In order to further verify this phenomenon, this two groups were blended together in different proportions to determine their plasticity index, drying line shrinkage rate and drying sensitivity index. The results are shown in the following table.

Cheap Semi Automatic Paving Hydraform Brick Manual Cement Concrete Block Making Machine Price

1, Malformed adobe, appears large cracks. In more serious cases, the whole adobe will split.

Reasons: the plasticity index of pug is too low, almost no plasticity.

Solution: to increase the plasticity index of raw materials, such as clay, coal slime or clay agent, etc.

For raw materials of low plasticity index, it can also be improved after aging, watering, stirring, rolling, extruding and other methods.

Welcome To Our Company Hope We Can Have A Good Cooperation.