sand mining dredger

• Julong Cutter Suction Dredger: Modular Design for Seamless Dredging & Sand Mining

  Apr 06, 2026

  The Julong cutter suction dredger is an important product series in the field of water environmental engineering equipment in China, produced by Julong company. This series of dredgers adopts a split structure design, which is easy to disassemble and transport, and has the characteristics of reasonable design, simple operation, strong durability, and strong work continuity. ‌ 1. Dredger Overview and Working Principle The cutter suction dredger /sand dredger is an underwater excavation machinery widely used in port, waterway dredging, and reclamation projects. Its working principle is to use a cutter installed at the front end of the cutter holder to crush the mud and stones at the bottom of the water, forming a mixture of mud and water (slurry). Subsequently, the mud is sucked in from...

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