EuroFlo at CrossRail

pressure gauge ยี่ห้อ tk retains Tunnel boring machine (TBM) cool by a continuous water provide. The Cross Rail challenge is an east-west rail route that passes beneath the city of London utilizing new twin-bore 21km tunnels.
EuroFlo pumps and the tanks are located at the surface; the water is pumped from there down to the shaft and all along the tunnel up to the TBM. Once the water has handed by way of the TBM system the remaining water comes back via a filtration system to the tanks on the floor, out of the tunnel.
The water circuit offers 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 four and 10 bar. On one site 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 site, the installation support’s the excavation with just one TBM with 20 litres/second and the water storage tank capability of 1100m3
EuroFlo use 37 kW vertical multistage Industrial pumps for the cooling system whereas the TBM excavates through a significant underground section of the Cross rail challenge.
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