Viscous Excavator (Rotary Dredge Cutterhead)

Category:

Dredge Plant

Description:

Cutterhead designed to work in viscous materials. Attaches to standard cutter suction dredge

ladder. Open three-bladed screw with cupped blades moves high-viscosity materials such as coal

tar, paper sludge, organic waste, and/or petroleum sludge. Can also dredge sand and clay. Will

dredge up to 50-60-percent solids. Can be installed on existing cutterhead suction dredges with

suction sizes 6 in. and larger.

Turnaround time for ordering is 4 to 8 weeks, depending on size.

Reviewer:

C. Woolley

Company / Organization(s):

Projects Completed:

CF Industries

Location:

Fort Green Springs, Florida

Comments:

Purchased two dredges to dredge sand from an adjacent deposit and

mixed it with dredged clay to form a load-bearing land base.

Northern Glory Dredging

Location:

Elkford, BC, Canada

Completion Date:

1997

Comments:

Recovering coal fines for Fording Coal Company

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Chapter 5 Other Technologies Reviewed