suction dredge power jet design

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Suction Gold Dredge Operation & Components

A Common Suction Gold Dredge Design. A dredge is powered by a motor and pump. A common misperception is that gravel is sucked through the pump. 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 hose.

Suction Nozzle or Power Jet? - dredgenz.co.nz

Power Jet Gold Dredge. A Power Jet is more efficient because there is a shorter pressure hose from the pump and therefore less friction losses. The Power Jet enters the suction line just before the sluice, which means the gravel is being "pulled" up the hose rather than "pushed" by a suction nozzle. This can help prevent blockages.

GOLD MINER'S TOOLS :: Dredges by Company

Marlex Jet Flares increase suction power, diffusing material for more equal distribution into the sluice box. The Jet can be pivoted upward between the floats for ease of maneuvering through extremely shallow water. The pivoting Jet Flare and sluice can be detached from the floats and placed on level ground for use with a power jet or suction ...

Jet Suction Dredger - Professional Sand Dredge Manufacturer

OCEAN Pump brand jet suction dredger consists of dredge body, high efficiency wear resistant marine sand pump, high pressure water pump, famous brand diesel engine and discharge system. Our jet sand suction dredger feature integrated design, high efficiency, good wear resistance, flexible operation, energy saving in the delivery of solid ...

China Julong Jet Head Sand Suction Dredgers with ...

Suction Dredge, Jet Suction Dredge, 10 Inch Jet Suction Dredger manufacturer / supplier in China, offering Julong Jet Head Sand Suction Dredgers with Customized / Standard Design, China Hydraulic Cutter Suction Dredger for Sand Dredging and Land Reclamation in River/ Lake / Port / Sea, 20 Inch Cutter Suction Dredger with 3500m3/Hr Dredging Capacity & 15m Dredging Depth and so on.

47 Best Gold hand suction dredge images in 2019 | Gold ...

Nov 13, 2019 - Explore delport007's board "Gold hand suction dredge" on Pinterest. See more ideas about Gold hands, Gold prospecting and Gold.

Dredge Nozzles & Power Jets | Pro Music

Pro Music is proud to offer Hydro Force, Jobe, Keene, and Proline gold dredge nozzles and power jets including dry land suction nozzles with free shipping!

BELOW SHOWS A TYPICAL POWER JET

below shows a typical power jet setup detail for a portable gold dredge - (just ignore the suction nozzle in this example) this crude sketch shows a typical setup detail . using a portable gold dredge with a suction nozzle the following information should enable you to understand the basic theory of operation of a portable dredge.

Plan and design your own home made suction dredge for gold ...

Home Made Suction Dredge. ... and use measurements taken from the commercial dredge makers you can design your own set of plans for your specific dredge project. ... First you have to decide if you want a suction nozzle or power jet type. The suction nozzle puts the high-pressure water in right at the nozzle. A power jet puts the high-pressure ...

Keene 2.5" Jet Flare Dredge Suction Nozzle with P160 | A&B ...

Keene 2.5" Jet Flare Dredge Suction NozzleThe KEENE 2½" JET FLARE design provides excellent fine gold recovery. The jet flare and water level sluice box gives 30% more suction allowing dredge depths of nearly 30 feet. Also, the state-of-the-art sluice box is more efficient, compact, and lighter. A 150 GPM pump mounted on a Honda GX120 drives the 2½" dredges.

Keene 3" Jet Flare Dredge with P180 | A&B Prospecting

Keene 3" Jet Flare Dredge. The KEENE 3" JET FLARE design provides excellent fine gold recovery. The jet flare and water level sluice box gives 30% more suction allowing dredge depths of nearly 30 feet. Also, the state-of-the-art sluice box is more efficient, compact, and lighter. The 3" dredges are powered by P180 GPM pump with a Honda GX200 ...

Power Jet Dredge, Power Jet Dredge Suppliers and ...

Alibaba.com offers 242 power jet dredge products. About 54% of these are dredger, 5% are pumps, and 3% are high pressure cleaner. A wide variety of power jet dredge options are available to you, such as diesel, gasoline / petrol, and electric.

Getting The Best Performance From Your Dredge

The suction nozzle is my choice because it is more efficient then the power jet and it is built by many dredge manufactures. It pushes the water and material from the nozzle end of the dredge-hose to the other end of the dredge-hose to the dredge's sluice-box. On the power jet, if you should ever lift the nozzle out of the water you will get ...

The Gold Dredge - , Inc.

The submersible dredge of today is mainly used for sampling and when a good streak is found, the surface dredge is employed to do a more efficient job of recovery. Power Jet Submersible Suction dredge uses power jet and suction hose.

Keene 3" Suction Gold Dredge - akmining.biz

The Marlex Jet flare is built with a longer straight section and flare making it possible to use a shorter power jet to reduce weight. The jet flare design also improves fine gold recovery and increases suction power. The jet flare also makes the dredge easier to set up in shallow water conditions.

4" Dredge PVC Power Jet - YouTube

Oct 09, 2015· I like to show you a project im working on, its for my diy dredge, 4" pvc dredge power jet.

DIY Suction Nozzle and Power jet - GPEX

Jun 01, 2013· The Power Jet is in it's forth year on the river. the ABS plastic works well. The Jet is straight through and the gravel, sand and gold come in in the side "Y". I run it with a 1 1/2" trash pump. suction is very good and I usually have a 10' hose to the jet and a 24" run to my dredge sluice, crash box or other classifier.

Infinity-Couple jet - GOLD PROSPECTING - Nugget Shooter Forums

Jun 09, 2015· Even though you can run a traditional suction nozzle off a trash pump, a dredge pump is a better choice with a standard nozzle. In my opinion, if you have the option of an I-jet with a trash pump or a Dredge pump with a standard dredge nozzle, the I-Jet is the way to go.

DREDGE SUCTION NOZZLES - Willamette Valley

DREDGE SUCTION NOZZLES By: Dale Russell Suction nozzles can easily be home made, with some ingenuity & a few tools. 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 …

4 Dredge PVC Power Jet | Lectures For Life | Online Video ...

This is a new 2 dredge model that is equipped with both a suction nozzle and a power jet plus, it incorporates our unique design, leg kit. This new dredge is by far, the most versatile dredge we have ever built. This can be floated and pulled around on the floats and now equipped with the new leg kit for a quick and easy bank mounting.

2" suction dredge | Gold Dredging Forum

Dec 06, 2012· 2" suction dredge . General. General Board. Archives. Articles. Historical. Books . Photos. ... A tapered reducer can be placed in a power jet ... to the same effect (if there is an "effect" that's actually an advantage) as in a suction nozzle. But most power jets and suction nozzles I've ever seen do not have a machined tapered reducer placed ...

Keene Backpack Dredge with Power Jet - 2 inch – Sunny ...

The power jet is ideal for most conditions and provides greater suction power and far less rock jams. Includes: 15 feet of suction hose and 4 feet of pressure hose. Dredge capacity 1.5 yards per hour. Net weight 65 pounds. Shipping weight 80 pounds. For extremely shallow water conditions, a suction nozzle is recommended.

Main products Jet Suction Dredgers - Rohr-Idreco Dredge

Jet Suction Dredgers. A jet suction-type dredger is often the ideal solution for dredging relatively loose and free-flowing material. The ROHR-IDRECO jet suction dredgers are electric driven (diesel/diesel-electric drives are optional), and our advanced automation and monitoring software, developed in-house, ensures the highest efficiency and the lowest possible energy consumption.

gold dredge power jet design - BINQ Mining

Jan 18, 2013· Small Gold Dredge Plans … or "flair," which is located between the dredge's power jet and the sluice box There are several advantages that come from this design. » More detailed How suction dredges work.

Gold Dredges & Dredge Parts | Kellyco | 855-910-6955

Keene 2.5" - Jet Flare Dredge with Compressor & Power Jet. ... Non-Jamming Design Sku: 554-PJ2514O. $199.99. Call now to order (855) 721-7699 . Keene 2" Oversized Power Jet with Quick Coupler ... Increase your Suction Power, Recovery and Reduce Rock Jams with this Jet Flare Sku: 554-PPJF8. $650.00. Call now to order (855) 721-7699 ...

Suction Gold Dredge Basics - Steve's Guides ...

Jun 13, 2018· A common suction gold dredge design - 4" surface dredge with air compressor. ... The most common device is the power jet, which is installed in between the sluice box and the main suction hose. A power jet pulls material up and into the sluice box. An alternative is the suction nozzle which installs on the end of the suction hose in place of ...

Proline Gold Mining and Prospecting Equipment/Gold Dredges

2.5" Dredge. This machine was a trend setter when it first came on the market and it continues to be one of our best sellers many years later. When other 2.5" dredges were floating on inner-tubes, required a suction nozzle for producing dredge vacuum, and had limited depth capabilities, the Proline 2.5" dredge sat on sturdy pontoons and used a power jet for dredge vacuum.

Dredge Nozzles - Gold Rush Trading Post

A dredge designed to work on flotation, with a compressor for underwater dredging, is almost always equipped as a power jet. Since a power jet and supply hose must be kept under water at all times, it won't work very well in shallow water. Shown below is a wide variety of gold dredge nozzles from several reputable manufacturers.

How do Suction Gold Dredges Work?

How does a gold suction dredge suck up gravel? Also learn the differences between a power jet and a suction nozzle. Click on dredge images above to enlarge. 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.

Suction nozzle and power jet design? - GOLD PROSPECTING ...

Apr 16, 2014· I have the basic design figured out, can anyone give me the ratio of the size of thewater inlet line to the suction line size? Also pressure/gpm needed to be effective?Ive got a 40 drop and going from 3 to 1 1/2 line size to run my Simple Simon.Im hoping to run a 2 suction nozzle/power jet…