a diagram of a 3 inch jet nozzle for gold dredge how to make 1

DREDGE SUCTION NOZZLES

No matter what size you want to make from 1" up to 6", you can purchase exhaust pipe with that outside diameter (OD) Power jets measure the same as for pipe and will be discussed later. Using the ... for the inlet pressure jet, see diagram, this must be straight down the center of the suction tube. Once you have this done.

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Build Your Own Gold Dredge - Nevada Outback Gems

How to plan, design and build your own homemade gold suction dredge so you can prospect and mine for gold: from Nevada Outback Gems.

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Steve's Guide to Suction Gold Dredges - DetectorProspector.com

A basic guide to gold suction dredge components and operation. ... Every inch of vertical lift above the surface of the water robs power/suction from the system. ... The pump actually pumps only water, which is delivered to a venturi type device (called a power jet or a suction nozzle) which indirectly creates suction in a larger...

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How do I design an eductor-jet or venturi system to rapidly remove ...

Dec 8, 2010 ... 3. the pump MAY NOT VACUUM OUT THE SAND DIRECTLY! that would ruin the pump's impellers instantly. It is essential that the ... Check the attached diagram and tell me if my venturi design looks reasonable, also what diameters should I have at points 1 - 6? ... Buy a "gold dredge suction nozzle". 2" and...

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Keene's Catalog PDF - Armadillo Mining Shop

The model 2004 comes equipped with a power jet or optional suction nozzle. The power jet is ideal for most conditions and provides greater suction power. ..... Features for the 5 and 6 inch Mini Dredges: 1. 3 Stage Sluice Box is the ultimate in fine gold recovery, convenice and easy clean up. 2. Floats with step nose cut and...

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4" Dredge Instructions - Kellyco

Stage #1. Recovers 90% of all visible gold in the primary recovery riffles. Stage #2. Secondary recovery of coarse gold. Stage #3. Allows fine material to enter ... As indicated in the diagram gravel is dredged into the suction hose and is delivered to the sluice jet flare. As a slurry of water and gravel enters the jet flare and is...

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The Gold Dredge - Keene Engineering

Modern dredges are provided with a Single or “multi stage” recovery systems, such as a the new 3 stage sluice. The multi stage sluice boxes are preferred, because they have a greater capacity to recover a finer grade of gold and black sand concentrates that often hold values. Normally, the smaller size dredges from two to...

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3 inch prototype dredge nozzle - YouTube

Aug 29, 2015 ... 3 inch prototype dredge nozzle. This is the first dredge nozzle I've ever built. I figured if I was going to build one, I'd try to build the best, highest suction nozzle possible. From researching dredge nozzles, this was supposed to be the best style, the next was a tri-jet, then a standard suction nozzle. From the...

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How do Suction Gold Dredges Work? - Gold Fever Prospecting

Also learn the differences between a power jet and a suction nozzle. ... Suction dredges utilize a high pressure gasoline powered water pump to suck up water, gravel and gold and inject this material into a sluice through a header box. ... The disadvantage is that you have two hoses that the dredge operator must deal with.

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Proline Gold Mining and Prospecting Equipment Parts and ...

Power Jets. No one makes power jets like Proline. Rather than using a steel casting, we use a more efficient machine formed eductor. The result is a lighter power jet ... The 3” and larger tips include a high carbon steel wear ring which is spaced out from the nozzle body to increase dredge capacity and to make it easier to...

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Double-screen Classification System in Dredging - The New 49ers

Therefore, since we have to accomplish both classification and gold recovery from a feed that can only be effectively lifted about 4-to-6 inches above the surface, our ... Example: Using the same flow of water and material, you could expect more fine-size material to drop through a 3/8-mesh screen, than a 1/8-mesh screen.

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