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gold dredge tri jet venturi

Proline Gold Mining and Prospecting Equipment Parts and ...

We manufacture one of the most comprehensive series of pumps in the small dredge industry today. ... just like our swivel tips. Our unique, machined steel venturi orifice provides better vacuum and greater lifting capability. ... This allows the operator to work in deeper water with most of the advantages found in a conventional gold dredge. 2 ...

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. :hmmm...

Suction Nozzles: Online

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

New Life for the Suction Nozzle - December 2003 (Vol. 73 ...

New Life for the Suction Nozzle. December 2003 by Reggie Gould. The suction nozzle was one of the first Venturi nozzles to be used in the dredging business. Years later it was replaced with the straight Venturi system, which is sometimes referred to as a "log."

Suction Jets / suction jet assist - considerations, info ...

Apr 08, 2012· First of all this is not usable info. It is copyrighted. It is about cutter-head dredges using slurry pumps. I had real problems from the git-go until I realized he was dealing with slurry pumps, i.e. the slurry goes through the pump rather than just water being pumped to the venturi.

tri jet inductor dredge - educationcare.in

Infinity Jet Build (Hey John) - Page 3 - TreasureNet. Based on what I experienced today with a tri jet...all I can say is there should be no other jet used ever besides a tri or infinity. ... his Tri-Jet in the Suction Hose located about 5.0' from the Dredge. .... quad jet inductor dredge.

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.

3" dredge nozzle - YouTube

Nov 07, 2012· 3" dredge nozzle home made for under $50.00 This is my instructions to build this nozzle.

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. ... is almost always equipped as a power jet. A dredge that is designed to work with the sluice on a stand, in shallow water, is almost always equipped with a suction nozzle. ...

Infinity jet - Equipment - PayDirt Forums

I used the basic straight jet venturi as the baseline and compared it to the tri-jet, the suction nozzle and the infinity jet. The infinity jet produced the most vacuum, the tri-jet was 2nd, & the suction nozzle was 3rd, the straight jet came in last in performance. There are some strange dynamics going on …

Venturi Dredge: Why does this work? : Non-Spudgun Related ...

Jun 25, 2008· Well the venturi dredge is a strange animal. Ive done a lot of reading on websites dedicated to gold prospecting and gouldeng.com is a great place to start. For a production dredge, the exhaust pipe must be a certain length. Gould tried making the exhaust pipe as short as possible and there was no suction.

Dredging - Wikipedia

Dredging is the operation of removing material from one part of the water environment and relocating it to another. In all but a few situations the excavation is undertaken by a specialist floating plant, known as a dredger. Dredging is carried out in many different locations and for many different purposes, but the main objectives are usually to recover material that has some value or use, or ...

Dredge & Highbanker Parts & Accessories

2.5 Inch Suction Dredge Hose Clear (Per Foot) 3 Inch Clear Suction Dredge Hose (Per Foot)

Dredge Suction Nozzles - goldfeverprospecting.com

The answer is that they each have advantages and disadvantages. The advantage of the power jet is that the operator of the dredge has to only deal with one hose when he is dredging. The power jet also allows deeper dredging because the power jet will lift material higher than a suction nozzle can push it.

Diving Equipment Specialties

The standard Diving Equipment Specialties 4" diameter water dredge requires a minimum water pump of 350 GPM ( gallons per minute ) or more. The pump is stationed in the boat or on shore as the situation dictates, and is connected to the dredge with 2" high-pressure hose.

Proline Gold Mining and Prospecting Equipment/Gold Dredges

One major problem associated with all gold dredges over the years has been the far too frequent rock jams in the dredge hose, particularly at the power jet. On conventional dredge designs, the steel power jet slips inside the hose, creating a restriction and many plugs in the process.

FOR A PORTABLE GOLD DREDGE - Rosewind Mining Supply

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.

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.

Suction Dredging For Gold Nuggets - Nevada Outback

The suction in the hose is actually created through a Venturi effect by pumping high pressure water through a jet. ... The suction nozzle where the jet is up at the nozzle point, and 2) The power jet where the jet is located up near the sluice box. ... Build Your Own Gold Dredge: Dredging for Gold Nuggets: Our Free Colored Gemstone Information ...

Getting The Best Performance From Your Dredge

In the case of the power jet, for 100 GPM applied to the venturi jet, it only sucked 50 GPM through the nozzle and dredge-hose. I repeated the test 5 or 6 times and the results were always the same. The suction nozzle drew 75 GPM and the tri-jet drew 90 GPM. I expected an efficiency of 100 GPM applied to the jet and sucking 200 GPM, with a ...

The Gold Dredge - , Inc,

The vacuum on a portable dredge is created by a "venturi principal". A volume of water is pumped through a tapered orifice (jet), by a special designed water pump. A high velocity jet stream is created within the jet tube producing a powerful vacuum.

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

Jun 13, 2018· The solves two problems. First, gravel pumps are very expensive, heavy, and high maintenance items. Second, a 2" pump can easily be used with a venturi to create suction in a 4" hose, greatly increasing the volume of material that can be processed. A common suction gold dredge design - 4" surface dredge with air compressor

Intro to siphon and gravity dredges - GPEX PLACER GOLD ...

Jan 04, 2016· Intro to siphon and gravity dredges; User Info Username: Password: Welcome, Guest. Please ... Looks like a lot, but flour gold lies to you like a teenage daughter lies about her boyfriends. My take for the day was only 0.6dwt. ... I did not go back and read the former posts and therefore was assuming you were speaking of normal dredge venturi's ...

Gold Dredger dot Com Disscussion Forums • View topic ...

Apr 14, 2010· It also could be you don't have the jet reduce enough, meaning the jet has to be necked down or have a "jet" i.e. "smaller inside diameter" where it enters the log, if your jet pipe is the same size from where the hose is connected and where it enters the log you will not get the "venturi effect" to create the suction, the venturi effect create ...

gold dredge infinity jet - BINQ Mining

Jan 25, 2013· GOLD PROSPECTING FORUM – Infinity jet for gold dredge. Infinity jet for gold dredge (1/1) leadshot: Hi- Has anyone had success building an infinity jet for a dredge? I made a power jet out of PVC pipe fittings and it work … »More detailed

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

Home Made Suction Dredge. Interested in building your own suction dredge gold prospecting and saving some significant money in the process? If you do it right and plan well you really can save a lot of money and still have a good, functional dredge that is durable and really holds onto the gold - …

Gold Mining Dredge Venturi Tubes | Products & Suppliers ...

Find Gold Mining Dredge Venturi Tubes related suppliers, manufacturers, products and specifications on GlobalSpec - a trusted source of Gold Mining Dredge Venturi Tubes information. ... Jet Venturi scrubbers use the energy from the liquid sprayed into the Venturi to create a pull on the gas drawing it into the scrubber. The gas and liquid are ...

DREDGE SUCTION NOZZLES - You Struck Gold!

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 …