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Smallest Venturi dredge - GPEX

Jun 15, 2009· What would be the smallest practical Venturi-type dredge around, purchased or DIY? Maybe a 1" to 1 1/2" with an aluminum sluice box and some kind of a lightweight gas engine/pump combination that could be carried on a backpack out in the bush?

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best highbanker dredge combo - GPEX

Mar 30, 2013· That is a tall order! It is hard to get good suction with low water flow and it is hard to keep smaller gold with high water flow. I researched this myself over a year ago and decided a Proline unit was the best but out of my price range and I wanted to use a hydroforce land dredge nozzle. It is known that the lower venturi dredge design needs to stay underwater and doesnt like air much.

Suction Nozzle Build - GPEX

Nov 25, 2012· ( i tried a 7/8" and had no suction) I spent weeks looking in forums and on the net to find info on how to make dredge suction nozzles and all you find is bits and pieces here and there. There is a lot of good information on this forum from great people that is one reason i gave back to this site with a photo detailed post.

Gold Dredges - Gold Dredging Equipment & Machines For Sale

The dredge sucks gravel, sand, and rocks off the river bottom and discharges the slurry into a sluicebox. A flexible plastic hose with an intake nozzle is directed at the riverbed deposition while the floating dredge train downstream. The dredge works much like a vacuum cleaner as the operator moves the nozzle in a sweeping motion upstream.

Suction Nozzles: Online

Since 1955, has been providing the very best in mining and prospecting equipment. Whatever you need, we're here to help!

Proline Gold Mining and Prospecting Equipment/Gold Dredges

Build A Suction Dredge Venturi Nossle Prompt : Caesar is a famous mining equipment manufacturer well-known both at home and abroad, major in producing stone crushing equipment, mineral separation equipment, limestone grinding equipment, etc.

Vortex Easy Dredge - Rental & Hire

This compact dredging system is easy to deploy with no reconfiguration necessary, msimply connect the hydraulics, drop the system and you're ready to start dredging. The Vortex Easy Dredge uses the patented Vortex Venturi, the most powerful venturi dredging system on the market.

Gold Dredge - Dredging - Dredges

A floating gold dredge is essentially a floating sluicebox that uses an engine and pump to create a vacuum and send gravel (hopefully gold-bearing gravel!) into the sluice box suspended between the two pontoons. The sluice filters out all heavy metals, including …

Proline Gold Mining and Prospecting Equipment/Parts and ...

Proline offers one of the most comprehensive line of pumps in the small dredge industry. These are high performance centrifugal pumps designed specifically for operating our dredges and dual-purpose machines. Each pump is cast in the US from premium quality A356 aluminum, then heat treated to a "T-6" hardness for years of service.

Types of Dredgers

Apr 10, 2012· Jet-lift dredgers use the Venturi effect of a concentrated high-speed stream of water to draw the adjacent water, together with bed material, into a delivery pipe. The jet head has no moving parts so blockage by wires and other dock debris is minimised. These dredgers are relatively small units and some can be manoeuvred on spuds alone.

Venturi Water Pump Animation - YouTube

Mar 25, 2016· A rugged, simple and lightweight air operated pump that requires no priming and is capable of moving approximately 15,000 litres of water per hour, with a co...

DIY-Dredge | Dredging by yourself is fun

The DIY-Dredger has been sold in the Nordic Countries for many years and there are now more than 1500 happy owners all over the world.The DIY-Dredge is a compact, highly portable, gasoline engine powered, sediment removal pumping system. It is designed to provide the homeowner and contractors with the ability to excavate and transfer unwanted sediment.

DIY Venturi Pump | Hunker

Jul 17, 2017· The trick with this system is that it uses an extremely high-pressure stream from a pressure washer to drive the Venturi pump. This system has a much lower flow, but a much higher kinetic energy to inject into the Venturi, which serves several purposes.

Dredges: Online

We have the right equipment at the right price for you! 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. Take a look at the wide range of world-class dredges we offer:

Dredge Suction Nozzles

A dredge that is designed to work with the sluice on a stand, in shallow water, is almost always equipped with a suction nozzle. If you are using a hibanker dredge combo with multiple uses you can also purchase the power jet and suction nozzle so that it can be …

Build A Suction Dredge Venturi Nossle - caesarmachinery.com

Build A Suction Dredge Venturi Nossle Prompt : Caesar is a famous mining equipment manufacturer well-known both at home and abroad, major in producing stone crushing equipment, mineral separation equipment, limestone grinding equipment, etc.

Gold Prospecting Water Pumps - GoldHog Gold Prospecting ...

One of the hardest things to find is a cheap high pressure pump. This pump SAYS it has 116 PSI and about 4000 gph. That should be plenty to power a dredge nozzle up to 3″. We have NOT tested this pump but it's 1/2 the cost of others. Also you can get the 4 year extended warranty for $22.

: Dry-Lander Suction Nozzle - Gold Dredge (2 ...

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dredge nozzle | eBay

Find great deals on eBay for dredge nozzle and dredge suction nozzle. Shop with confidence.

Gold Mining Equipment - Msi Mining

MSI has a Large selection of Gold Mining Equipment or Gold Recovery Equipment with Gold Machine like Gold Trommel, Gold Wash Plant, Sluice Box, Gold Shaking Table, Portable Gold Trommel, Portable Gold Wash Plant, Gold Concentrator, Gold Dredge, Gold Jig, Duplex Jig, Grizzly Feeder, Conveyor, Gold Enhancer our well known Monster Red and Big Red ...

Dredging - Wikipedia

The auger dredge system functions like a cutter suction dredger, ... These use the Venturi effect of a concentrated high-speed stream of water to pull the nearby water, together with bed material, into a pipe. Air-lift. An airlift is a type of small suction dredge. It is sometimes used like other dredges.

Damen Dredging Equipment

3 Damen Dredging Equipment today Damen Dredging Equipment provides, as it has done for the past 70 years, high-end innovative solutions to the challenges dredging contractors face. Modularly built dredgers and the variety of dredging components available meet all the tough conditions faced by the dredging industry.

How To Highbank, Set Up Is Key - YouTube

May 30, 2015· Here Gary takes you out mining and teaches you how to set up and adjust your Highbanker ... Convert Mini Highbanker into a Dredge - Duration: 8:17. Gold Hog 41,867 views. 8:17.

suction dredging Companies and Suppliers serving Ontario

Vortex dredge solutions offer the highest suction on the market at 97kpa (28 in/hg) With years of experience servicing the oil and gas industry, we have developed robust and efficient ROV dredging and tooling solutions for a range of clients worldwide. The PATENTED Vortex venturi is designed, ...

Gould Engineering Bazooka Dredge

Venturi Jet Analysis by Reggie Gould To understand what the venturi is used for you have to know what it is associated with. The first dredge was a treadmill, and was first used by the Dutch in 1589, which was horse-powered, the ones that eat hay.The first bucket dredge was powered by steam and was invented by an American (Oliver Evans) in 1804.

DREDGES - IN STOCK + READY TO SHIP (click to view)

The unmatched performance of this dredge system is designed for those who operate in extremely remote and challenging locations. It can be easily transported and is lightweight and quick to assemble. Powered by a variety of engines, pumps and compressors offering a choice of power to fit individual needs. The Ultra 3 features our high ...

Proline Mining Equipment/Gold Dredges 6" inch

6" Dredge CApable of processing several times more material than our smaller dredges. Our 6" dredge is one of our personal favorites. It is relatively lightweight and can be transported and assembled with little more effort than that required for a 5" dredge, yet, it is capable of processing several times more material than those smaller dredges.