Hot Sale Cement Brick Plant Qtj4-25a Automatic Brick Machine Making

Hot Sale Cement Brick Plant Qtj4-25a Automatic Brick Machine Making

For example, assuming that the type and total amount of clay minerals contained in a kind of clay are exactly the same as that in a certain type of shale, plasticity index measured by the geotechnical test method is much higher than shale,because  dispersed clay mineral particles in the clay are uniform and small.If the shale is fully crushed, so that the clay minerals in the shale reach a finely dispersed state like the clay mineral particles contained in the clay, it is possible that the plasticity index measured by the geotechnical test method will be the same as that of the clay.However, it can’t be achieved in actual production,causing a great plasticity fluctuation during processing raw materials such as coal gangue and shale.Which method should be used to describe and compare the plasticity of these raw materials?

Hot Sale Cement Brick Plant Qtj4-25a Automatic Brick Machine Making

Soft plastic vacuum extruder is suitable for the raw materials with moisture content higher than 19%;the allowed extrusion pressure is 0.4~1.8 MPa.

Semi hard vacuum extruder is suitable for the raw materials with moisture content between 16%~19%;the allowed extrusion pressure is 1.8~2.5 MPa.

Hard plastic vacuum extruder is suitable for the raw materials with moisture content lower than 16%;the allowed extrusion pressure is 2.5~4.5 MPa.

Hot Sale Cement Brick Plant Qtj4-25a Automatic Brick Machine Making

If the soil contains stone, such soil can be used to make bricks?

No,the stone must be removed, otherwise the machine will accelerate wear and tear, or even damage to the machine. Generally based on the size of stone, you can choose the following machines: stone removing roller machine, roller sieve, thrust sieve.

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