Getting The Best Performance From Your Dredge - Gould Eng

Getting the best performance from your dredge involves some basic physics. The most obvious problem is lifting or I should say sucking, in most cases, a dredge-hose full of sand, rock and water. The actual lift will be from the nozzle end of the dredge-hose to the exit port of the venturi device.

3. The Cutter Suction Dredger 2 3.1. General description3 ...

The cutter suction dredger became the workhorse of the dredging industry in America, as did the bucket dredger in Europe at that time. 3.1.3. Working method After the ladder of the cutter suction dredger has been lowered under water, the dredge pump(s) started and the cutter head set in motion. The ladder is then moved down until it

Mini Highbanker - GoldHog Gold Prospecting Equipment

Mini Highbanker from GoldHog. The Mini Highbanker is the best performing mini on the market. It's not a toy but a gold capturing machine. ... You also will need a high pressure pump when dredging. Semi trash pumps just don’t cut it. ... We don’t sell pumps and hoses but …

Keene 2" Suction Gold Dredge - akmining.biz

This dramatically reduces clogging and in the rare event of a clog, allows for quick and easy access to the hose. Compare to the competition and see why a Keene 2" suction dredge is your best value in a small, portable gold dredge. 2" Suction Gold Dredge with Standard Collapsible Vinyl Floats

Slurry Pumps and Dredge Pumps for High Solids - EDDY Pump …

The optional SMART upgrade connects your pump or dredge equipment to the web and internal SCADA system. This allows for real-time monitoring of the unit after startup which helps prevent damage, downtime and ensure longer pump life. All of this saves money for your project.

Keene Eng. Catalog |

is proud to offer hundreds of items from sample bottles to pumps and complete dredge systems. While we strive to make most of our products available through our online shop, some things are simply not feasible for point-and-click purchase.That’s why we happily provide our full color catalog both as a PDF and hard-copy.

RC ADVENTURES - Dredge Mineral Mining with an Earth Digger ...

Jun 07, 2014· RC ADVENTURES - Dredge Mineral Mining with an Earth Digger 4200XL Excavator & Screening Bucket RCSparks Studio. ... also known as fool's gold, is an iron sulfide with the formula …

Hoses: Online

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

Dredge - For Sale Classifieds - Claz.org

Dredge - For Sale: DREDGE ANCHOR in Corpus Christi, Multi Miner backpack 1and 12quot in Redding, Keene gold highbanker dredge combo in Las Cruces, SMI 16 Yard Twin Mine in Irwindale, 4quot dredge in Fairbanks. Craigslist Search, Craigslist is no longer supported

Dredge - For Sale Classified Ads - Claz.org

Homelite AP-125, 30GPM, 2-cycle air cooled engine, and optional use Mayfair 12 volt, hvy duty, 2200 submersible Dura Pump. With the 1 and 12 suction nozzle it can dredge approx 1 ydhr and can highbank up to 2ydshr. With this units PVC leg system it makes a built in backpack frame and is adjustable for a wide range of set ups.

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

Jun 13, 2018· Nozzles sizes may be up to 2" smaller than hose sizes. A gold 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.

Proline 2.5 Inch Highbanker-Dredge With GX120 And HP200 ...

Proline 2.5 Inch Highbanker-Dredge With GX120 And HP200 Pump $ 2,750.00 The Proline 2.5″ combo has become very well accepted with many prospectors …

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.

Suction Nozzles: Online

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

» Setting the Proper Water Velocity Through a Sluice Box

As a general rule, the optimum slope-setting of a sluice is around one inch of drop per linear foot of box. This can change, depending upon the volume and velocity of water being used, and/or the average shape, size, volume or weight (specific gravity) of material that you are processing.

PRICE & ORDERING | Gold HighBanker

"The BEST highbanker on the market for the money, guaranteed." Click the pic below to see all features. The all new Raptor Flare gold highbanker.

Proline Mining Equipment/Gold Dredges 4" inch

The dredge can be equipped with either the Honda GX160 engine and HP350 pump or the Honda GX200 engine and HP400 pump for additional power. The HP400 is a very efficient 3"x 2" pump with a high flow, "progressive bite" five vane impeller. This is the only pump in the industry designed specifically for the GX200 engine.

Dredging - Royal IHC

With vast experience accumulated over decades, Royal IHC is the market leader for the design and manufacture of efficient and integrated dredgers and dredging equipment. The wide range of IHC’s products supports every dredging need.

Trash Pump/Lake Dredging Tech - Pirate4x4.Com : 4x4 and ...

Aug 05, 2009· It will likely shorten the lifespan of the pump significantly. If you're going to rent, I'd recomend pneumatic diaphragm pump and a compressor big enough to drive it. 2" or bigger would do the trick. A 2" uses about 50 cfm and 3" uses about 100cfm. Stick the pump on your pier with enough suction hose to reach your dredge area and go at it.

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 - …

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

Jun 25, 2008· Venturi Dredge: Why does this work? Author: ... The first picture is our pvc dredge. Its fed by a 4" pump that runs 750gpm @ 52 psi. The second is a concept called and Infinity dredge and is what I'm still working on bringing it to life. ... A typical garden sprayer that screws onto the end of a hose and pumps weed killer from a resevoir is a ...

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...

Proline 3" Dredge with Air (optional)

Years of trouble free service with unmatched performance When we originally designed the Proline 3” dredge, we set out to build a machine that we felt addressed most of the problems associated with this dredge size. Before its arrival, most 3” dredges were essentially the same size as their 4” counterparts because they used the same pontoons, frame, pump, etc. this dredge was designed to ...

Heavy duty performance for abrasive materials -

Heavy duty performance for abrasive materials. 2 Dredge pump program. Dredge pump program 3 ’s range of heavy duty dredge pumps are designed specifically for dredging large and abrasive materials. Years of experience ... • Optional left or right rotation • Optional discharge positions

GoldHog Multi Sluice - GoldHog Gold Prospecting Equipment

Want to strip your concentrates down to almost pure gold? The Multi Sluice is the perfect cleanup system for ANY prospector or miner. It’s even used by full scale operations. It’s not a toy. ... Optional Pump and Hose Kit. Pump kit $38.75 can only be ordered with the Multi Sluice.

5″ Gold Dredge - Metallurgist & Mineral Processing Engineer

Our 5" gold dredge always has been popular with dredgers who were looking for the perfect balance of portability with higher productivity. Smaller dredges simply can't process as much gravel and the larger dredges require more effort to get into those more remote areas where the richer gold deposits are. This is why the 5" dredge size is normally the smallest dredge chosen by the serious ...

Determining The Size Of The Hydraulic Dredge

March 4, 2010 Determining The Size Of The Hydraulic Dredge Needed For A Dredging Project. By Don Searles Dredging Specialists . 1. Determine the volume of …

5.5HP Power Sluice / 3" Dredge Combo - akmining.biz

A pump with a minimum of 100gpm is required to run the power sluice, and more horsepower will pump longer distances. This unit can also be converted to a bank-mounted 3" dredge with optional hoses and nozzle. Part#KE173CA . Proline Highbanker / 2" Gold Dredge Combo. Beginners love the 2" machines because they are small, lightweight, and very ...

Proline 4 Inch Dredge - Gold Prospecting Equipment ...

The 4" Proline is a pretty serious dredge, yet still manageable for a one-man operation. The 4" can be equipped with either a 5.5 hp Honda and HP350 pump, or a larger 6.5 hp Honda and HP400 for more oomph. The HP400 is the only pump in the industry designed specifically for the 6.5 hp engine and performs extremely well.

Proline 3 Inch Highbanker-Dredge With GX160 And HP300 Pump ...

THIS PRODUCT IS AVAILABLE FOR LOCAL PICKUP ONLY! For Exceptions, Please Call Us. Of all the portable dual-purpose machines available today the Proline 3" combo

Dredge & Highbanker Parts & Accessories

GOLD-N-SAND HAND DREDGE; ROCK TUMBLERS & ACCESSORIES; MAGNIFIERS, SCALES, AND LIGHTS ... 2.5 Inch Suction Dredge Hose Clear (Per Foot) 3 Inch Clear Suction Dredge Hose (Per Foot) ... 2 in stock! 1 1/2 Inch Male Pin Lug. Plastic Pump Strainer List Price: $7.95. Our Price: $7.95 . Out Of Stock Plastic Pump Strainer: 1 1/2 Inch Pin Lug List ...

Proline Gold Dredges - Black Mining.com

Proline Gold Dredges Black Mining is proud to be an authorized Proline dealer Proline's exhaustive research, testing and decades of dredging experience come together in a balance of performance, reliability and serviceability all at an affordable price.

Rohr-Idreco Jet & Cutter Suction Dredges | Dredging Systems

Our jet and cutter suction dredges include mobile non-propelled dredges, containerized dredge systems, custom designed dredges and cutter suction dredges. Rohr-Idreco is a leader in the dredging world for designing and building deep digging electric or diesel modular dredges.

» Suction Dredging for Gold

Just to give you some idea, a top-of-the-line five-inch gold dredge and the miscellaneous gear needed to run a small dredging operation can be obtained for less than $6,000. The size of a gold dredge is determined by the inside-diameter of its suction hose–usually anywhere from two to ten inches.

Hydro Force Suction Nozzle - mashdetectors.com

Hydro Force 200. The little HF200 uses a 2” suction hose and a 1.5” (optional 1.25”) pressure hose for awesome Dry Land Suction Power. Just like the bigger units, the stainless steel tip on the HF200 in coned down for maximum suction and minimum plug-ups.

Large Capacity Gold Dredging System - multiple Engines.

Options For increased efficiency and ease os use, try model 2025 (below), a 2"x 2.5" compact Dredge shown below - mounted on modular floats, this dredge has a 2.5 (up to 3 HP) engine and a 2" pump/header system.. Engines: 1 engines/pumps/take-up hoses per dredge . Horse Power: Small dredges typically have 2.5, 3, or 4 HP gasoline engines - HP determines flow rate.