Slurry Separation Plant for Piple Jacking

LANGFANG, China - May 18, 2013 - PRLog -- Pipe Jacking is a manual method of Trenchless Crossing methodology where the face of the Tunnel is excavated manually or mechanically with the Products Pipe "jacked" into the Tunnel in segments using hydraulic rams (jacks).The method is the most useful for shallow installations under railway lines and roads, where other trenchless methods could cause surface settling or heaving. The majority of installations are horizontal, although the method can be used for vertical installations.
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Slurry separation plant is a indispensable component In the pipe jacking operation. During any one project the density of the slurry increase as more and more ground is removed. Removal of particles is carried out in three stages,each decreasing in cut size or the minimum size of particle removed.the first two stages work in line with the slurry operation so particles are removed with the slurry continuously flowing around the system. The first stage removes particles approximately greater than 5mm in diameter(gravel cobbles and clay balls) by using shaker, the second stage removes sand and silt size particles down to 30-75 um by using 12 inch hydrocyclones. this leaves fine particles in the slurry which are often removed using decanter centrifuges working offline but in paralled with the tunnelling operation. The centrifuge operation has to be offline because of the time it takes to remove the fine particles. The specification of the slurry separation plant varies from site to site depending on the ground.
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GN Solids Control is a top Slurry separation plant manufacturer in China. anyone need slurry separation plant, feel free to contact with GN Solids Control.