EuroFlo at CrossRail

The EuroFlo Industrial Pump system retains Tunnel boring machine (TBM) cool by a continuous water supply. The Cross Rail project is an east-west rail route that passes beneath the town of London using new twin-bore 21km tunnels.
EuroFlo pumps and the tanks are located on the surface; the water is pumped from there right down to the shaft and all along the tunnel as a lot as the TBM. Once เกจวัดความดันน้ำ has passed by way of the TBM system the remaining water comes back through a filtration system to the tanks on the surface, out of the tunnel.
The water circuit provides 20 l/s to every TBM and eight l/s is used within the TBM for various works and 12 l/s returns to the tanks. The inlet stress needed ranges between 4 and 10 bar. On one website three TBM’s are operating and the pump system delivers 60 l/s, with the equipment consisting of 1 single tank (3200m3) and one industrial pump used per tunnel. On one other website, the installation support’s the excavation with just one TBM with 20 litres/second and the water storage tank capacity of 1100m3
EuroFlo use 37 kW vertical multistage Industrial pumps for the cooling system whereas the TBM excavates through a major underground part of the Cross rail venture.
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