Drill pipe screen is widely used in domestic and foreign oil drilling sites in order to prevent large-diameter drilling cuttings or sand particles in drilling fluid from blocking the water hole of the drill bit.Nowadays, most of the widely used drill pipe screens are ejected from the screen pipe, but it will cause serious damage…
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JOHNSON SCREEN For Pharmaceutical Factory Pharmaceutical wastewater has gradually become one of the important pollution sources. Because of its complex composition, high organic content, high toxicity, deep color and high salt content, especially its poor biochemical property and intermittent discharge, compared with the wastewater from coal industry, it is more difficult to treat. The production…
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