The first stage in processing is to crush the blended clay into smaller, more regular lumps via a primary feeder crusher and secondary roll crusher. This is sold as shredded or disintegrated clay and has a moisture content of around 16%.
Mined fire clay first is transported to the processing plant and stockpiled. In some cases, the crude clay is weathered for 6 to 12 months, depending on the type of fire clay. Freezing and thawing break the material up, resulting in smaller particles and improved plasticity. The material then is crushed and ground. At this stage in the process, the clay has a moisture content of 10 to 15 percent. For certain applications, the clay is
Carefully pour off the suspended water, watching the lip of your container. When clay begins to pour off with the water, stop pouring, set the container down and allow the contents to settle for a few minutes. Continue this process until as much water as possible has been poured off and only clay is left in your container.
Processing Clay for Pottery. To use the wet extraction method, start by filling a bucket about 1/3 of the way with soil. Add water and use your hands to break up the soil particles as finely as you can get them. Allow the soil to hydrate for a few minutes, or preferably a few hours. Then use your hands to break up the soil pieces again.
The clays were widely used in building muddy huts or in the production of bricks, potteries etc. even in the most primitive forms of cultures. In the present age, the uses of clays and clay minerals are increasing day by day, and they are gradually replacing metals in various fields as cheaper, better and environment friendly alternatives.
Bentonite, a clay with numerous industrial and consumer applications, is mined and processed in many countries of the world. Its many beneficial uses also create the potential for widespread ...