![]() ![]() ![]() VORTEX removal rates are ACTUAL removal rates as seen with actual material moved using Magnetite black iron sand and rocks weighing 2.375kg per liter as to the sample product. From the lightest, most portable back-pack dredge to a fullly equipped 8 inch production system, our experts can analyze your project and your needs to get you set up with the perfect package. VORTEX performance figures DO NOT have a small print clause with an Asterix symbol next to figures which would represent "best case Scenario" removal rates as opposed to actual removal rates. In normal operation a gold dredge is run by an operator at the intake nozzle who directs the nozzle and who captures and discards oversized rocks that would plug the intake hose. This is part one and part two I will post here in about three weeks. Suction does the work and water flow continues the work done. DREDGE SUCTION NOZZLES By: Dale Russell Suction nozzles can easily be home made, with some ingenuity & a few tools. A common suction gold dredge design - 4' surface dredge with air compressor. Once the hose is clear then water flow takes over. Powerful, simple, effective.Įxample: Getting a "RIDICULOUSLY THICK MILKSHAKE" ® ™ to move through a straw is similar to dredging a very sticky seabed and suction is key because if you drive a suction hose deep into sticky mud the water flow in the suction hose will often stall and the hose is essentially filled with a 'plug' of mud and only high suction will clear the hose. ![]() Vortex dredges have been designed to combine high suction values and high water volumes to tear up sticky soils with very high suction then keep it flowing with high water volume. ![]()
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