Soil particles are separated from the bentonite slurry discharged from the shield, and after treatment, the slurry is pumped back to the cutting surface of the shield for recycling to promote efficient excavation of the shield.
What mechanical equipment is needed for shield mud treatment?
1. Screening machine: to screen out larger particles such as gravel and gravel;
2, Cyclone: remove fine particles, such as fine sand and silt;
3. Centrifuge/filter press: processing ultrafine dust (such as silty dust and clay particles);
4, Slurry storage tank/suction pump: maintain slurry quality by adding water and bentonite.
Choose a filter press or a centrifuge?
Depending on the situation, generally filter presses cost more due to their lower capacity, take up more space, but are more effective, and in a few cases the two can be combined.
Tags: shield mud treatment.
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