Kaolin mining

Kaolin is one of the main raw materials for Jingdezhen ceramics, accounting for about 30 % of all raw materials . Kaolin is a loose soil material that is easy to mine. The mining process is simpler than porcelain stone, mainly open-pit mining, and is converted to roadway mining after a certain depth.
      The surface of the kaolin deposit is generally covered with a layer of loess with varying thicknesses. 1 meter Left and right, even the outer surface of the mine is exposed; the thick is reachable 10 meters the above. Open-pit mining kaolin must strip the loess on the surface of the ore body, commonly known as stripping the mountain. Stripping the mountain skin in the process of mining kaolin is a large amount of work, which is an important factor affecting the production cost of kaolin. After peeling off the mountain skin, there are still loess and other debris on the surface of the ore body, and the deposit must be further cleaned. The kaolin ore body is loosely combined and can be directly used for slurry mining. If the ore body is tightly combined, it must be manually excavated or broken to make the ore body loose. Kaolin ore body is generally on the surface topsoil 1 meter -5 meters Below, especially the reclaimed kaolin is washed down by the rainwater and flows down the hillside, and is deposited in the low-lying area, as long as it is used for excavation and multi-system open-pit mining. Jingdezhen Mingsha Gaoling and Dazhou Gaoling, Xingzi Gaoling and other mines are open-pit mining on hillsides. After the open-pit mining, the excavation of the Shunshanpo mine body was carried out, and people used pit wood to build up the support along the roadway to prevent the collapse of the loose soil. However, the kaolin soil is surrounded by loose soil, so it is difficult to carry out deep roadway excavation.
      Open pit mining The Shaziling ore body of Fuzhou is deeply buried underground. The excavation of the residual soil is carried out, and the shoal and step slope protection are opened. The light rail is set along the ore body, and the slope track is lifted by a hoist.
      Hydraulic mining   Dazhou Mine builds a storage tank at the top of the mountain to store water, and uses a natural drop to form a certain water pressure. The person holds the faucet and rushes the kaolin to disperse the people on the slope to the pulp pool for elimination. Later, it will be improved into a bracket type water gun, and the spray gun can be rotated cyclically, which saves manpower and improves working conditions.

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