{Sand pump is a kind of centrifugal mud pump, which is used to transport suspended solids containing sand and slag. Impeller is mostly open. The lining of the pump is generally divided into two kinds, wear-resistant metal and wear resistant rubber. In addition, high pressure water is injected into the sliding part of the pump shaft to prevent the sand from entering the sliding part. Cosmetic Bottle Vacuum Metalization Machine
This kind of pump can be used for conveying coarse solid liquid containing more than 48 mesh size. Sand pump is only named for a specific pump of centrifugal pump. In essence, sand pump is only a general term. It is mainly used in mining, coal, metallurgy, chemical industry, environmental protection and other industries. Generally speaking, sand pumps refer to many industries, such as environmental protection, dredging and dredging.
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The water gun is used to mine the placer, and the mining method is carried out by pressurized transportation or self flow transportation. China began to dig placers artificially long ago. In 1673, it used nearby Alpine natural water sources to dig open ditches and divert water to wash out placers. In 1929, water gun sand pump was used in Shuiyanba tin placer mine in Guangxi, natural water pressure was used in Wanggao tin placer mine, and hydraulic elevator was equipped for mining, which saved power supply and achieved good economic results. After 1949, open-pit hydraulic mining of placer developed from mining placer tin and placer gold to mining tungsten-titanium-manganese ore, niobium-tantalum iron ore, zircon, diamond and even clay. Mines using hydraulic mining have short construction time, less investment, simple equipment, high productivity, low cost, quick investment effect and good technical and economic effect.
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